Search is not available for this dataset
chain_id
uint64 1
1
| block_number
uint64 19.5M
20M
| block_hash
stringlengths 64
64
| transaction_hash
stringlengths 64
64
| deployer_address
stringlengths 40
40
| factory_address
stringlengths 40
40
| contract_address
stringlengths 40
40
| creation_bytecode
stringlengths 0
98.3k
| runtime_bytecode
stringlengths 0
49.2k
| creation_sourcecode
stringlengths 0
976k
|
|---|---|---|---|---|---|---|---|---|---|
1 | 19,498,425 |
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|
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|
363d3d373d3d3d363d737f4dc78748cf4a3382d5986d3ae31b6c6b2e75175af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,425 |
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|
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|
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|
363d3d373d3d3d363d737f4dc78748cf4a3382d5986d3ae31b6c6b2e75175af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,425 |
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|
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|
363d3d373d3d3d363d737f4dc78748cf4a3382d5986d3ae31b6c6b2e75175af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,425 |
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|
4676b053ec81abb0b50f8498ac5084b6fafa4fb8c0c9a8c2439b33928786c164
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|
363d3d373d3d3d363d737f4dc78748cf4a3382d5986d3ae31b6c6b2e75175af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,425 |
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|
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|
363d3d373d3d3d363d737f4dc78748cf4a3382d5986d3ae31b6c6b2e75175af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,425 |
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|
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| |
1 | 19,498,425 |
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|
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| |
1 | 19,498,425 |
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|
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|
363d3d373d3d3d363d737f4dc78748cf4a3382d5986d3ae31b6c6b2e75175af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,425 |
419845f9e76173aacdc5519f85507e101b14d0ad21a2e171adb1f3fe58410b5a
|
4676b053ec81abb0b50f8498ac5084b6fafa4fb8c0c9a8c2439b33928786c164
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|
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|
363d3d373d3d3d363d737f4dc78748cf4a3382d5986d3ae31b6c6b2e75175af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,425 |
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|
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|
363d3d373d3d3d363d737f4dc78748cf4a3382d5986d3ae31b6c6b2e75175af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,425 |
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|
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|
363d3d373d3d3d363d737f4dc78748cf4a3382d5986d3ae31b6c6b2e75175af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,428 |
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|
{{
"language": "Solidity",
"sources": {
"contracts/UniswapV3Pool.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity =0.7.6;\n\nimport './interfaces/IUniswapV3Pool.sol';\n\nimport './NoDelegateCall.sol';\n\nimport './libraries/LowGasSafeMath.sol';\nimport './libraries/SafeCast.sol';\nimport './libraries/Tick.sol';\nimport './libraries/TickBitmap.sol';\nimport './libraries/Position.sol';\nimport './libraries/Oracle.sol';\n\nimport './libraries/FullMath.sol';\nimport './libraries/FixedPoint128.sol';\nimport './libraries/TransferHelper.sol';\nimport './libraries/TickMath.sol';\nimport './libraries/LiquidityMath.sol';\nimport './libraries/SqrtPriceMath.sol';\nimport './libraries/SwapMath.sol';\n\nimport './interfaces/IUniswapV3PoolDeployer.sol';\nimport './interfaces/IUniswapV3Factory.sol';\nimport './interfaces/IERC20Minimal.sol';\nimport './interfaces/callback/IUniswapV3MintCallback.sol';\nimport './interfaces/callback/IUniswapV3SwapCallback.sol';\nimport './interfaces/callback/IUniswapV3FlashCallback.sol';\n\ncontract UniswapV3Pool is IUniswapV3Pool, NoDelegateCall {\n using LowGasSafeMath for uint256;\n using LowGasSafeMath for int256;\n using SafeCast for uint256;\n using SafeCast for int256;\n using Tick for mapping(int24 => Tick.Info);\n using TickBitmap for mapping(int16 => uint256);\n using Position for mapping(bytes32 => Position.Info);\n using Position for Position.Info;\n using Oracle for Oracle.Observation[65535];\n\n /// @inheritdoc IUniswapV3PoolImmutables\n address public immutable override factory;\n /// @inheritdoc IUniswapV3PoolImmutables\n address public immutable override token0;\n /// @inheritdoc IUniswapV3PoolImmutables\n address public immutable override token1;\n /// @inheritdoc IUniswapV3PoolImmutables\n uint24 public immutable override fee;\n\n /// @inheritdoc IUniswapV3PoolImmutables\n int24 public immutable override tickSpacing;\n\n /// @inheritdoc IUniswapV3PoolImmutables\n uint128 public immutable override maxLiquidityPerTick;\n\n struct Slot0 {\n // the current price\n uint160 sqrtPriceX96;\n // the current tick\n int24 tick;\n // the most-recently updated index of the observations array\n uint16 observationIndex;\n // the current maximum number of observations that are being stored\n uint16 observationCardinality;\n // the next maximum number of observations to store, triggered in observations.write\n uint16 observationCardinalityNext;\n // the current protocol fee as a percentage of the swap fee taken on withdrawal\n // represented as an integer denominator (1/x)%\n uint8 feeProtocol;\n // whether the pool is locked\n bool unlocked;\n }\n /// @inheritdoc IUniswapV3PoolState\n Slot0 public override slot0;\n\n /// @inheritdoc IUniswapV3PoolState\n uint256 public override feeGrowthGlobal0X128;\n /// @inheritdoc IUniswapV3PoolState\n uint256 public override feeGrowthGlobal1X128;\n\n // accumulated protocol fees in token0/token1 units\n struct ProtocolFees {\n uint128 token0;\n uint128 token1;\n }\n /// @inheritdoc IUniswapV3PoolState\n ProtocolFees public override protocolFees;\n\n /// @inheritdoc IUniswapV3PoolState\n uint128 public override liquidity;\n\n /// @inheritdoc IUniswapV3PoolState\n mapping(int24 => Tick.Info) public override ticks;\n /// @inheritdoc IUniswapV3PoolState\n mapping(int16 => uint256) public override tickBitmap;\n /// @inheritdoc IUniswapV3PoolState\n mapping(bytes32 => Position.Info) public override positions;\n /// @inheritdoc IUniswapV3PoolState\n Oracle.Observation[65535] public override observations;\n\n /// @dev Mutually exclusive reentrancy protection into the pool to/from a method. This method also prevents entrance\n /// to a function before the pool is initialized. The reentrancy guard is required throughout the contract because\n /// we use balance checks to determine the payment status of interactions such as mint, swap and flash.\n modifier lock() {\n require(slot0.unlocked, 'LOK');\n slot0.unlocked = false;\n _;\n slot0.unlocked = true;\n }\n\n /// @dev Prevents calling a function from anyone except the address returned by IUniswapV3Factory#owner()\n modifier onlyFactoryOwner() {\n require(msg.sender == IUniswapV3Factory(factory).owner());\n _;\n }\n\n constructor() {\n int24 _tickSpacing;\n (factory, token0, token1, fee, _tickSpacing) = IUniswapV3PoolDeployer(msg.sender).parameters();\n tickSpacing = _tickSpacing;\n\n maxLiquidityPerTick = Tick.tickSpacingToMaxLiquidityPerTick(_tickSpacing);\n }\n\n /// @dev Common checks for valid tick inputs.\n function checkTicks(int24 tickLower, int24 tickUpper) private pure {\n require(tickLower < tickUpper, 'TLU');\n require(tickLower >= TickMath.MIN_TICK, 'TLM');\n require(tickUpper <= TickMath.MAX_TICK, 'TUM');\n }\n\n /// @dev Returns the block timestamp truncated to 32 bits, i.e. mod 2**32. This method is overridden in tests.\n function _blockTimestamp() internal view virtual returns (uint32) {\n return uint32(block.timestamp); // truncation is desired\n }\n\n /// @dev Get the pool's balance of token0\n /// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize\n /// check\n function balance0() private view returns (uint256) {\n (bool success, bytes memory data) =\n token0.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this)));\n require(success && data.length >= 32);\n return abi.decode(data, (uint256));\n }\n\n /// @dev Get the pool's balance of token1\n /// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize\n /// check\n function balance1() private view returns (uint256) {\n (bool success, bytes memory data) =\n token1.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this)));\n require(success && data.length >= 32);\n return abi.decode(data, (uint256));\n }\n\n /// @inheritdoc IUniswapV3PoolDerivedState\n function snapshotCumulativesInside(int24 tickLower, int24 tickUpper)\n external\n view\n override\n noDelegateCall\n returns (\n int56 tickCumulativeInside,\n uint160 secondsPerLiquidityInsideX128,\n uint32 secondsInside\n )\n {\n checkTicks(tickLower, tickUpper);\n\n int56 tickCumulativeLower;\n int56 tickCumulativeUpper;\n uint160 secondsPerLiquidityOutsideLowerX128;\n uint160 secondsPerLiquidityOutsideUpperX128;\n uint32 secondsOutsideLower;\n uint32 secondsOutsideUpper;\n\n {\n Tick.Info storage lower = ticks[tickLower];\n Tick.Info storage upper = ticks[tickUpper];\n bool initializedLower;\n (tickCumulativeLower, secondsPerLiquidityOutsideLowerX128, secondsOutsideLower, initializedLower) = (\n lower.tickCumulativeOutside,\n lower.secondsPerLiquidityOutsideX128,\n lower.secondsOutside,\n lower.initialized\n );\n require(initializedLower);\n\n bool initializedUpper;\n (tickCumulativeUpper, secondsPerLiquidityOutsideUpperX128, secondsOutsideUpper, initializedUpper) = (\n upper.tickCumulativeOutside,\n upper.secondsPerLiquidityOutsideX128,\n upper.secondsOutside,\n upper.initialized\n );\n require(initializedUpper);\n }\n\n Slot0 memory _slot0 = slot0;\n\n if (_slot0.tick < tickLower) {\n return (\n tickCumulativeLower - tickCumulativeUpper,\n secondsPerLiquidityOutsideLowerX128 - secondsPerLiquidityOutsideUpperX128,\n secondsOutsideLower - secondsOutsideUpper\n );\n } else if (_slot0.tick < tickUpper) {\n uint32 time = _blockTimestamp();\n (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) =\n observations.observeSingle(\n time,\n 0,\n _slot0.tick,\n _slot0.observationIndex,\n liquidity,\n _slot0.observationCardinality\n );\n return (\n tickCumulative - tickCumulativeLower - tickCumulativeUpper,\n secondsPerLiquidityCumulativeX128 -\n secondsPerLiquidityOutsideLowerX128 -\n secondsPerLiquidityOutsideUpperX128,\n time - secondsOutsideLower - secondsOutsideUpper\n );\n } else {\n return (\n tickCumulativeUpper - tickCumulativeLower,\n secondsPerLiquidityOutsideUpperX128 - secondsPerLiquidityOutsideLowerX128,\n secondsOutsideUpper - secondsOutsideLower\n );\n }\n }\n\n /// @inheritdoc IUniswapV3PoolDerivedState\n function observe(uint32[] calldata secondsAgos)\n external\n view\n override\n noDelegateCall\n returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s)\n {\n return\n observations.observe(\n _blockTimestamp(),\n secondsAgos,\n slot0.tick,\n slot0.observationIndex,\n liquidity,\n slot0.observationCardinality\n );\n }\n\n /// @inheritdoc IUniswapV3PoolActions\n function increaseObservationCardinalityNext(uint16 observationCardinalityNext)\n external\n override\n lock\n noDelegateCall\n {\n uint16 observationCardinalityNextOld = slot0.observationCardinalityNext; // for the event\n uint16 observationCardinalityNextNew =\n observations.grow(observationCardinalityNextOld, observationCardinalityNext);\n slot0.observationCardinalityNext = observationCardinalityNextNew;\n if (observationCardinalityNextOld != observationCardinalityNextNew)\n emit IncreaseObservationCardinalityNext(observationCardinalityNextOld, observationCardinalityNextNew);\n }\n\n /// @inheritdoc IUniswapV3PoolActions\n /// @dev not locked because it initializes unlocked\n function initialize(uint160 sqrtPriceX96) external override {\n require(slot0.sqrtPriceX96 == 0, 'AI');\n\n int24 tick = TickMath.getTickAtSqrtRatio(sqrtPriceX96);\n\n (uint16 cardinality, uint16 cardinalityNext) = observations.initialize(_blockTimestamp());\n\n slot0 = Slot0({\n sqrtPriceX96: sqrtPriceX96,\n tick: tick,\n observationIndex: 0,\n observationCardinality: cardinality,\n observationCardinalityNext: cardinalityNext,\n feeProtocol: 0,\n unlocked: true\n });\n\n emit Initialize(sqrtPriceX96, tick);\n }\n\n struct ModifyPositionParams {\n // the address that owns the position\n address owner;\n // the lower and upper tick of the position\n int24 tickLower;\n int24 tickUpper;\n // any change in liquidity\n int128 liquidityDelta;\n }\n\n /// @dev Effect some changes to a position\n /// @param params the position details and the change to the position's liquidity to effect\n /// @return position a storage pointer referencing the position with the given owner and tick range\n /// @return amount0 the amount of token0 owed to the pool, negative if the pool should pay the recipient\n /// @return amount1 the amount of token1 owed to the pool, negative if the pool should pay the recipient\n function _modifyPosition(ModifyPositionParams memory params)\n private\n noDelegateCall\n returns (\n Position.Info storage position,\n int256 amount0,\n int256 amount1\n )\n {\n checkTicks(params.tickLower, params.tickUpper);\n\n Slot0 memory _slot0 = slot0; // SLOAD for gas optimization\n\n position = _updatePosition(\n params.owner,\n params.tickLower,\n params.tickUpper,\n params.liquidityDelta,\n _slot0.tick\n );\n\n if (params.liquidityDelta != 0) {\n if (_slot0.tick < params.tickLower) {\n // current tick is below the passed range; liquidity can only become in range by crossing from left to\n // right, when we'll need _more_ token0 (it's becoming more valuable) so user must provide it\n amount0 = SqrtPriceMath.getAmount0Delta(\n TickMath.getSqrtRatioAtTick(params.tickLower),\n TickMath.getSqrtRatioAtTick(params.tickUpper),\n params.liquidityDelta\n );\n } else if (_slot0.tick < params.tickUpper) {\n // current tick is inside the passed range\n uint128 liquidityBefore = liquidity; // SLOAD for gas optimization\n\n // write an oracle entry\n (slot0.observationIndex, slot0.observationCardinality) = observations.write(\n _slot0.observationIndex,\n _blockTimestamp(),\n _slot0.tick,\n liquidityBefore,\n _slot0.observationCardinality,\n _slot0.observationCardinalityNext\n );\n\n amount0 = SqrtPriceMath.getAmount0Delta(\n _slot0.sqrtPriceX96,\n TickMath.getSqrtRatioAtTick(params.tickUpper),\n params.liquidityDelta\n );\n amount1 = SqrtPriceMath.getAmount1Delta(\n TickMath.getSqrtRatioAtTick(params.tickLower),\n _slot0.sqrtPriceX96,\n params.liquidityDelta\n );\n\n liquidity = LiquidityMath.addDelta(liquidityBefore, params.liquidityDelta);\n } else {\n // current tick is above the passed range; liquidity can only become in range by crossing from right to\n // left, when we'll need _more_ token1 (it's becoming more valuable) so user must provide it\n amount1 = SqrtPriceMath.getAmount1Delta(\n TickMath.getSqrtRatioAtTick(params.tickLower),\n TickMath.getSqrtRatioAtTick(params.tickUpper),\n params.liquidityDelta\n );\n }\n }\n }\n\n /// @dev Gets and updates a position with the given liquidity delta\n /// @param owner the owner of the position\n /// @param tickLower the lower tick of the position's tick range\n /// @param tickUpper the upper tick of the position's tick range\n /// @param tick the current tick, passed to avoid sloads\n function _updatePosition(\n address owner,\n int24 tickLower,\n int24 tickUpper,\n int128 liquidityDelta,\n int24 tick\n ) private returns (Position.Info storage position) {\n position = positions.get(owner, tickLower, tickUpper);\n\n uint256 _feeGrowthGlobal0X128 = feeGrowthGlobal0X128; // SLOAD for gas optimization\n uint256 _feeGrowthGlobal1X128 = feeGrowthGlobal1X128; // SLOAD for gas optimization\n\n // if we need to update the ticks, do it\n bool flippedLower;\n bool flippedUpper;\n if (liquidityDelta != 0) {\n uint32 time = _blockTimestamp();\n (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) =\n observations.observeSingle(\n time,\n 0,\n slot0.tick,\n slot0.observationIndex,\n liquidity,\n slot0.observationCardinality\n );\n\n flippedLower = ticks.update(\n tickLower,\n tick,\n liquidityDelta,\n _feeGrowthGlobal0X128,\n _feeGrowthGlobal1X128,\n secondsPerLiquidityCumulativeX128,\n tickCumulative,\n time,\n false,\n maxLiquidityPerTick\n );\n flippedUpper = ticks.update(\n tickUpper,\n tick,\n liquidityDelta,\n _feeGrowthGlobal0X128,\n _feeGrowthGlobal1X128,\n secondsPerLiquidityCumulativeX128,\n tickCumulative,\n time,\n true,\n maxLiquidityPerTick\n );\n\n if (flippedLower) {\n tickBitmap.flipTick(tickLower, tickSpacing);\n }\n if (flippedUpper) {\n tickBitmap.flipTick(tickUpper, tickSpacing);\n }\n }\n\n (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) =\n ticks.getFeeGrowthInside(tickLower, tickUpper, tick, _feeGrowthGlobal0X128, _feeGrowthGlobal1X128);\n\n position.update(liquidityDelta, feeGrowthInside0X128, feeGrowthInside1X128);\n\n // clear any tick data that is no longer needed\n if (liquidityDelta < 0) {\n if (flippedLower) {\n ticks.clear(tickLower);\n }\n if (flippedUpper) {\n ticks.clear(tickUpper);\n }\n }\n }\n\n /// @inheritdoc IUniswapV3PoolActions\n /// @dev noDelegateCall is applied indirectly via _modifyPosition\n function mint(\n address recipient,\n int24 tickLower,\n int24 tickUpper,\n uint128 amount,\n bytes calldata data\n ) external override lock returns (uint256 amount0, uint256 amount1) {\n require(amount > 0);\n (, int256 amount0Int, int256 amount1Int) =\n _modifyPosition(\n ModifyPositionParams({\n owner: recipient,\n tickLower: tickLower,\n tickUpper: tickUpper,\n liquidityDelta: int256(amount).toInt128()\n })\n );\n\n amount0 = uint256(amount0Int);\n amount1 = uint256(amount1Int);\n\n uint256 balance0Before;\n uint256 balance1Before;\n if (amount0 > 0) balance0Before = balance0();\n if (amount1 > 0) balance1Before = balance1();\n IUniswapV3MintCallback(msg.sender).uniswapV3MintCallback(amount0, amount1, data);\n if (amount0 > 0) require(balance0Before.add(amount0) <= balance0(), 'M0');\n if (amount1 > 0) require(balance1Before.add(amount1) <= balance1(), 'M1');\n\n emit Mint(msg.sender, recipient, tickLower, tickUpper, amount, amount0, amount1);\n }\n\n /// @inheritdoc IUniswapV3PoolActions\n function collect(\n address recipient,\n int24 tickLower,\n int24 tickUpper,\n uint128 amount0Requested,\n uint128 amount1Requested\n ) external override lock returns (uint128 amount0, uint128 amount1) {\n // we don't need to checkTicks here, because invalid positions will never have non-zero tokensOwed{0,1}\n Position.Info storage position = positions.get(msg.sender, tickLower, tickUpper);\n\n amount0 = amount0Requested > position.tokensOwed0 ? position.tokensOwed0 : amount0Requested;\n amount1 = amount1Requested > position.tokensOwed1 ? position.tokensOwed1 : amount1Requested;\n\n if (amount0 > 0) {\n position.tokensOwed0 -= amount0;\n TransferHelper.safeTransfer(token0, recipient, amount0);\n }\n if (amount1 > 0) {\n position.tokensOwed1 -= amount1;\n TransferHelper.safeTransfer(token1, recipient, amount1);\n }\n\n emit Collect(msg.sender, recipient, tickLower, tickUpper, amount0, amount1);\n }\n\n /// @inheritdoc IUniswapV3PoolActions\n /// @dev noDelegateCall is applied indirectly via _modifyPosition\n function burn(\n int24 tickLower,\n int24 tickUpper,\n uint128 amount\n ) external override lock returns (uint256 amount0, uint256 amount1) {\n (Position.Info storage position, int256 amount0Int, int256 amount1Int) =\n _modifyPosition(\n ModifyPositionParams({\n owner: msg.sender,\n tickLower: tickLower,\n tickUpper: tickUpper,\n liquidityDelta: -int256(amount).toInt128()\n })\n );\n\n amount0 = uint256(-amount0Int);\n amount1 = uint256(-amount1Int);\n\n if (amount0 > 0 || amount1 > 0) {\n (position.tokensOwed0, position.tokensOwed1) = (\n position.tokensOwed0 + uint128(amount0),\n position.tokensOwed1 + uint128(amount1)\n );\n }\n\n emit Burn(msg.sender, tickLower, tickUpper, amount, amount0, amount1);\n }\n\n struct SwapCache {\n // the protocol fee for the input token\n uint8 feeProtocol;\n // liquidity at the beginning of the swap\n uint128 liquidityStart;\n // the timestamp of the current block\n uint32 blockTimestamp;\n // the current value of the tick accumulator, computed only if we cross an initialized tick\n int56 tickCumulative;\n // the current value of seconds per liquidity accumulator, computed only if we cross an initialized tick\n uint160 secondsPerLiquidityCumulativeX128;\n // whether we've computed and cached the above two accumulators\n bool computedLatestObservation;\n }\n\n // the top level state of the swap, the results of which are recorded in storage at the end\n struct SwapState {\n // the amount remaining to be swapped in/out of the input/output asset\n int256 amountSpecifiedRemaining;\n // the amount already swapped out/in of the output/input asset\n int256 amountCalculated;\n // current sqrt(price)\n uint160 sqrtPriceX96;\n // the tick associated with the current price\n int24 tick;\n // the global fee growth of the input token\n uint256 feeGrowthGlobalX128;\n // amount of input token paid as protocol fee\n uint128 protocolFee;\n // the current liquidity in range\n uint128 liquidity;\n }\n\n struct StepComputations {\n // the price at the beginning of the step\n uint160 sqrtPriceStartX96;\n // the next tick to swap to from the current tick in the swap direction\n int24 tickNext;\n // whether tickNext is initialized or not\n bool initialized;\n // sqrt(price) for the next tick (1/0)\n uint160 sqrtPriceNextX96;\n // how much is being swapped in in this step\n uint256 amountIn;\n // how much is being swapped out\n uint256 amountOut;\n // how much fee is being paid in\n uint256 feeAmount;\n }\n\n /// @inheritdoc IUniswapV3PoolActions\n function swap(\n address recipient,\n bool zeroForOne,\n int256 amountSpecified,\n uint160 sqrtPriceLimitX96,\n bytes calldata data\n ) external override noDelegateCall returns (int256 amount0, int256 amount1) {\n require(amountSpecified != 0, 'AS');\n\n Slot0 memory slot0Start = slot0;\n\n require(slot0Start.unlocked, 'LOK');\n require(\n zeroForOne\n ? sqrtPriceLimitX96 < slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 > TickMath.MIN_SQRT_RATIO\n : sqrtPriceLimitX96 > slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 < TickMath.MAX_SQRT_RATIO,\n 'SPL'\n );\n\n slot0.unlocked = false;\n\n SwapCache memory cache =\n SwapCache({\n liquidityStart: liquidity,\n blockTimestamp: _blockTimestamp(),\n feeProtocol: zeroForOne ? (slot0Start.feeProtocol % 16) : (slot0Start.feeProtocol >> 4),\n secondsPerLiquidityCumulativeX128: 0,\n tickCumulative: 0,\n computedLatestObservation: false\n });\n\n bool exactInput = amountSpecified > 0;\n\n SwapState memory state =\n SwapState({\n amountSpecifiedRemaining: amountSpecified,\n amountCalculated: 0,\n sqrtPriceX96: slot0Start.sqrtPriceX96,\n tick: slot0Start.tick,\n feeGrowthGlobalX128: zeroForOne ? feeGrowthGlobal0X128 : feeGrowthGlobal1X128,\n protocolFee: 0,\n liquidity: cache.liquidityStart\n });\n\n // continue swapping as long as we haven't used the entire input/output and haven't reached the price limit\n while (state.amountSpecifiedRemaining != 0 && state.sqrtPriceX96 != sqrtPriceLimitX96) {\n StepComputations memory step;\n\n step.sqrtPriceStartX96 = state.sqrtPriceX96;\n\n (step.tickNext, step.initialized) = tickBitmap.nextInitializedTickWithinOneWord(\n state.tick,\n tickSpacing,\n zeroForOne\n );\n\n // ensure that we do not overshoot the min/max tick, as the tick bitmap is not aware of these bounds\n if (step.tickNext < TickMath.MIN_TICK) {\n step.tickNext = TickMath.MIN_TICK;\n } else if (step.tickNext > TickMath.MAX_TICK) {\n step.tickNext = TickMath.MAX_TICK;\n }\n\n // get the price for the next tick\n step.sqrtPriceNextX96 = TickMath.getSqrtRatioAtTick(step.tickNext);\n\n // compute values to swap to the target tick, price limit, or point where input/output amount is exhausted\n (state.sqrtPriceX96, step.amountIn, step.amountOut, step.feeAmount) = SwapMath.computeSwapStep(\n state.sqrtPriceX96,\n (zeroForOne ? step.sqrtPriceNextX96 < sqrtPriceLimitX96 : step.sqrtPriceNextX96 > sqrtPriceLimitX96)\n ? sqrtPriceLimitX96\n : step.sqrtPriceNextX96,\n state.liquidity,\n state.amountSpecifiedRemaining,\n fee\n );\n\n if (exactInput) {\n state.amountSpecifiedRemaining -= (step.amountIn + step.feeAmount).toInt256();\n state.amountCalculated = state.amountCalculated.sub(step.amountOut.toInt256());\n } else {\n state.amountSpecifiedRemaining += step.amountOut.toInt256();\n state.amountCalculated = state.amountCalculated.add((step.amountIn + step.feeAmount).toInt256());\n }\n\n // if the protocol fee is on, calculate how much is owed, decrement feeAmount, and increment protocolFee\n if (cache.feeProtocol > 0) {\n uint256 delta = step.feeAmount / cache.feeProtocol;\n step.feeAmount -= delta;\n state.protocolFee += uint128(delta);\n }\n\n // update global fee tracker\n if (state.liquidity > 0)\n state.feeGrowthGlobalX128 += FullMath.mulDiv(step.feeAmount, FixedPoint128.Q128, state.liquidity);\n\n // shift tick if we reached the next price\n if (state.sqrtPriceX96 == step.sqrtPriceNextX96) {\n // if the tick is initialized, run the tick transition\n if (step.initialized) {\n // check for the placeholder value, which we replace with the actual value the first time the swap\n // crosses an initialized tick\n if (!cache.computedLatestObservation) {\n (cache.tickCumulative, cache.secondsPerLiquidityCumulativeX128) = observations.observeSingle(\n cache.blockTimestamp,\n 0,\n slot0Start.tick,\n slot0Start.observationIndex,\n cache.liquidityStart,\n slot0Start.observationCardinality\n );\n cache.computedLatestObservation = true;\n }\n int128 liquidityNet =\n ticks.cross(\n step.tickNext,\n (zeroForOne ? state.feeGrowthGlobalX128 : feeGrowthGlobal0X128),\n (zeroForOne ? feeGrowthGlobal1X128 : state.feeGrowthGlobalX128),\n cache.secondsPerLiquidityCumulativeX128,\n cache.tickCumulative,\n cache.blockTimestamp\n );\n // if we're moving leftward, we interpret liquidityNet as the opposite sign\n // safe because liquidityNet cannot be type(int128).min\n if (zeroForOne) liquidityNet = -liquidityNet;\n\n state.liquidity = LiquidityMath.addDelta(state.liquidity, liquidityNet);\n }\n\n state.tick = zeroForOne ? step.tickNext - 1 : step.tickNext;\n } else if (state.sqrtPriceX96 != step.sqrtPriceStartX96) {\n // recompute unless we're on a lower tick boundary (i.e. already transitioned ticks), and haven't moved\n state.tick = TickMath.getTickAtSqrtRatio(state.sqrtPriceX96);\n }\n }\n\n // update tick and write an oracle entry if the tick change\n if (state.tick != slot0Start.tick) {\n (uint16 observationIndex, uint16 observationCardinality) =\n observations.write(\n slot0Start.observationIndex,\n cache.blockTimestamp,\n slot0Start.tick,\n cache.liquidityStart,\n slot0Start.observationCardinality,\n slot0Start.observationCardinalityNext\n );\n (slot0.sqrtPriceX96, slot0.tick, slot0.observationIndex, slot0.observationCardinality) = (\n state.sqrtPriceX96,\n state.tick,\n observationIndex,\n observationCardinality\n );\n } else {\n // otherwise just update the price\n slot0.sqrtPriceX96 = state.sqrtPriceX96;\n }\n\n // update liquidity if it changed\n if (cache.liquidityStart != state.liquidity) liquidity = state.liquidity;\n\n // update fee growth global and, if necessary, protocol fees\n // overflow is acceptable, protocol has to withdraw before it hits type(uint128).max fees\n if (zeroForOne) {\n feeGrowthGlobal0X128 = state.feeGrowthGlobalX128;\n if (state.protocolFee > 0) protocolFees.token0 += state.protocolFee;\n } else {\n feeGrowthGlobal1X128 = state.feeGrowthGlobalX128;\n if (state.protocolFee > 0) protocolFees.token1 += state.protocolFee;\n }\n\n (amount0, amount1) = zeroForOne == exactInput\n ? (amountSpecified - state.amountSpecifiedRemaining, state.amountCalculated)\n : (state.amountCalculated, amountSpecified - state.amountSpecifiedRemaining);\n\n // do the transfers and collect payment\n if (zeroForOne) {\n if (amount1 < 0) TransferHelper.safeTransfer(token1, recipient, uint256(-amount1));\n\n uint256 balance0Before = balance0();\n IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data);\n require(balance0Before.add(uint256(amount0)) <= balance0(), 'IIA');\n } else {\n if (amount0 < 0) TransferHelper.safeTransfer(token0, recipient, uint256(-amount0));\n\n uint256 balance1Before = balance1();\n IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data);\n require(balance1Before.add(uint256(amount1)) <= balance1(), 'IIA');\n }\n\n emit Swap(msg.sender, recipient, amount0, amount1, state.sqrtPriceX96, state.liquidity, state.tick);\n slot0.unlocked = true;\n }\n\n /// @inheritdoc IUniswapV3PoolActions\n function flash(\n address recipient,\n uint256 amount0,\n uint256 amount1,\n bytes calldata data\n ) external override lock noDelegateCall {\n uint128 _liquidity = liquidity;\n require(_liquidity > 0, 'L');\n\n uint256 fee0 = FullMath.mulDivRoundingUp(amount0, fee, 1e6);\n uint256 fee1 = FullMath.mulDivRoundingUp(amount1, fee, 1e6);\n uint256 balance0Before = balance0();\n uint256 balance1Before = balance1();\n\n if (amount0 > 0) TransferHelper.safeTransfer(token0, recipient, amount0);\n if (amount1 > 0) TransferHelper.safeTransfer(token1, recipient, amount1);\n\n IUniswapV3FlashCallback(msg.sender).uniswapV3FlashCallback(fee0, fee1, data);\n\n uint256 balance0After = balance0();\n uint256 balance1After = balance1();\n\n require(balance0Before.add(fee0) <= balance0After, 'F0');\n require(balance1Before.add(fee1) <= balance1After, 'F1');\n\n // sub is safe because we know balanceAfter is gt balanceBefore by at least fee\n uint256 paid0 = balance0After - balance0Before;\n uint256 paid1 = balance1After - balance1Before;\n\n if (paid0 > 0) {\n uint8 feeProtocol0 = slot0.feeProtocol % 16;\n uint256 fees0 = feeProtocol0 == 0 ? 0 : paid0 / feeProtocol0;\n if (uint128(fees0) > 0) protocolFees.token0 += uint128(fees0);\n feeGrowthGlobal0X128 += FullMath.mulDiv(paid0 - fees0, FixedPoint128.Q128, _liquidity);\n }\n if (paid1 > 0) {\n uint8 feeProtocol1 = slot0.feeProtocol >> 4;\n uint256 fees1 = feeProtocol1 == 0 ? 0 : paid1 / feeProtocol1;\n if (uint128(fees1) > 0) protocolFees.token1 += uint128(fees1);\n feeGrowthGlobal1X128 += FullMath.mulDiv(paid1 - fees1, FixedPoint128.Q128, _liquidity);\n }\n\n emit Flash(msg.sender, recipient, amount0, amount1, paid0, paid1);\n }\n\n /// @inheritdoc IUniswapV3PoolOwnerActions\n function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external override lock onlyFactoryOwner {\n require(\n (feeProtocol0 == 0 || (feeProtocol0 >= 4 && feeProtocol0 <= 10)) &&\n (feeProtocol1 == 0 || (feeProtocol1 >= 4 && feeProtocol1 <= 10))\n );\n uint8 feeProtocolOld = slot0.feeProtocol;\n slot0.feeProtocol = feeProtocol0 + (feeProtocol1 << 4);\n emit SetFeeProtocol(feeProtocolOld % 16, feeProtocolOld >> 4, feeProtocol0, feeProtocol1);\n }\n\n /// @inheritdoc IUniswapV3PoolOwnerActions\n function collectProtocol(\n address recipient,\n uint128 amount0Requested,\n uint128 amount1Requested\n ) external override lock onlyFactoryOwner returns (uint128 amount0, uint128 amount1) {\n amount0 = amount0Requested > protocolFees.token0 ? protocolFees.token0 : amount0Requested;\n amount1 = amount1Requested > protocolFees.token1 ? protocolFees.token1 : amount1Requested;\n\n if (amount0 > 0) {\n if (amount0 == protocolFees.token0) amount0--; // ensure that the slot is not cleared, for gas savings\n protocolFees.token0 -= amount0;\n TransferHelper.safeTransfer(token0, recipient, amount0);\n }\n if (amount1 > 0) {\n if (amount1 == protocolFees.token1) amount1--; // ensure that the slot is not cleared, for gas savings\n protocolFees.token1 -= amount1;\n TransferHelper.safeTransfer(token1, recipient, amount1);\n }\n\n emit CollectProtocol(msg.sender, recipient, amount0, amount1);\n }\n}\n"
},
"contracts/interfaces/IUniswapV3Pool.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\nimport './pool/IUniswapV3PoolImmutables.sol';\nimport './pool/IUniswapV3PoolState.sol';\nimport './pool/IUniswapV3PoolDerivedState.sol';\nimport './pool/IUniswapV3PoolActions.sol';\nimport './pool/IUniswapV3PoolOwnerActions.sol';\nimport './pool/IUniswapV3PoolEvents.sol';\n\n/// @title The interface for a Uniswap V3 Pool\n/// @notice A Uniswap pool facilitates swapping and automated market making between any two assets that strictly conform\n/// to the ERC20 specification\n/// @dev The pool interface is broken up into many smaller pieces\ninterface IUniswapV3Pool is\n IUniswapV3PoolImmutables,\n IUniswapV3PoolState,\n IUniswapV3PoolDerivedState,\n IUniswapV3PoolActions,\n IUniswapV3PoolOwnerActions,\n IUniswapV3PoolEvents\n{\n\n}\n"
},
"contracts/NoDelegateCall.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity =0.7.6;\n\n/// @title Prevents delegatecall to a contract\n/// @notice Base contract that provides a modifier for preventing delegatecall to methods in a child contract\nabstract contract NoDelegateCall {\n /// @dev The original address of this contract\n address private immutable original;\n\n constructor() {\n // Immutables are computed in the init code of the contract, and then inlined into the deployed bytecode.\n // In other words, this variable won't change when it's checked at runtime.\n original = address(this);\n }\n\n /// @dev Private method is used instead of inlining into modifier because modifiers are copied into each method,\n /// and the use of immutable means the address bytes are copied in every place the modifier is used.\n function checkNotDelegateCall() private view {\n require(address(this) == original);\n }\n\n /// @notice Prevents delegatecall into the modified method\n modifier noDelegateCall() {\n checkNotDelegateCall();\n _;\n }\n}\n"
},
"contracts/libraries/LowGasSafeMath.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.7.0;\n\n/// @title Optimized overflow and underflow safe math operations\n/// @notice Contains methods for doing math operations that revert on overflow or underflow for minimal gas cost\nlibrary LowGasSafeMath {\n /// @notice Returns x + y, reverts if sum overflows uint256\n /// @param x The augend\n /// @param y The addend\n /// @return z The sum of x and y\n function add(uint256 x, uint256 y) internal pure returns (uint256 z) {\n require((z = x + y) >= x);\n }\n\n /// @notice Returns x - y, reverts if underflows\n /// @param x The minuend\n /// @param y The subtrahend\n /// @return z The difference of x and y\n function sub(uint256 x, uint256 y) internal pure returns (uint256 z) {\n require((z = x - y) <= x);\n }\n\n /// @notice Returns x * y, reverts if overflows\n /// @param x The multiplicand\n /// @param y The multiplier\n /// @return z The product of x and y\n function mul(uint256 x, uint256 y) internal pure returns (uint256 z) {\n require(x == 0 || (z = x * y) / x == y);\n }\n\n /// @notice Returns x + y, reverts if overflows or underflows\n /// @param x The augend\n /// @param y The addend\n /// @return z The sum of x and y\n function add(int256 x, int256 y) internal pure returns (int256 z) {\n require((z = x + y) >= x == (y >= 0));\n }\n\n /// @notice Returns x - y, reverts if overflows or underflows\n /// @param x The minuend\n /// @param y The subtrahend\n /// @return z The difference of x and y\n function sub(int256 x, int256 y) internal pure returns (int256 z) {\n require((z = x - y) <= x == (y >= 0));\n }\n}\n"
},
"contracts/libraries/SafeCast.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Safe casting methods\n/// @notice Contains methods for safely casting between types\nlibrary SafeCast {\n /// @notice Cast a uint256 to a uint160, revert on overflow\n /// @param y The uint256 to be downcasted\n /// @return z The downcasted integer, now type uint160\n function toUint160(uint256 y) internal pure returns (uint160 z) {\n require((z = uint160(y)) == y);\n }\n\n /// @notice Cast a int256 to a int128, revert on overflow or underflow\n /// @param y The int256 to be downcasted\n /// @return z The downcasted integer, now type int128\n function toInt128(int256 y) internal pure returns (int128 z) {\n require((z = int128(y)) == y);\n }\n\n /// @notice Cast a uint256 to a int256, revert on overflow\n /// @param y The uint256 to be casted\n /// @return z The casted integer, now type int256\n function toInt256(uint256 y) internal pure returns (int256 z) {\n require(y < 2**255);\n z = int256(y);\n }\n}\n"
},
"contracts/libraries/Tick.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.5.0;\n\nimport './LowGasSafeMath.sol';\nimport './SafeCast.sol';\n\nimport './TickMath.sol';\nimport './LiquidityMath.sol';\n\n/// @title Tick\n/// @notice Contains functions for managing tick processes and relevant calculations\nlibrary Tick {\n using LowGasSafeMath for int256;\n using SafeCast for int256;\n\n // info stored for each initialized individual tick\n struct Info {\n // the total position liquidity that references this tick\n uint128 liquidityGross;\n // amount of net liquidity added (subtracted) when tick is crossed from left to right (right to left),\n int128 liquidityNet;\n // fee growth per unit of liquidity on the _other_ side of this tick (relative to the current tick)\n // only has relative meaning, not absolute — the value depends on when the tick is initialized\n uint256 feeGrowthOutside0X128;\n uint256 feeGrowthOutside1X128;\n // the cumulative tick value on the other side of the tick\n int56 tickCumulativeOutside;\n // the seconds per unit of liquidity on the _other_ side of this tick (relative to the current tick)\n // only has relative meaning, not absolute — the value depends on when the tick is initialized\n uint160 secondsPerLiquidityOutsideX128;\n // the seconds spent on the other side of the tick (relative to the current tick)\n // only has relative meaning, not absolute — the value depends on when the tick is initialized\n uint32 secondsOutside;\n // true iff the tick is initialized, i.e. the value is exactly equivalent to the expression liquidityGross != 0\n // these 8 bits are set to prevent fresh sstores when crossing newly initialized ticks\n bool initialized;\n }\n\n /// @notice Derives max liquidity per tick from given tick spacing\n /// @dev Executed within the pool constructor\n /// @param tickSpacing The amount of required tick separation, realized in multiples of `tickSpacing`\n /// e.g., a tickSpacing of 3 requires ticks to be initialized every 3rd tick i.e., ..., -6, -3, 0, 3, 6, ...\n /// @return The max liquidity per tick\n function tickSpacingToMaxLiquidityPerTick(int24 tickSpacing) internal pure returns (uint128) {\n int24 minTick = (TickMath.MIN_TICK / tickSpacing) * tickSpacing;\n int24 maxTick = (TickMath.MAX_TICK / tickSpacing) * tickSpacing;\n uint24 numTicks = uint24((maxTick - minTick) / tickSpacing) + 1;\n return type(uint128).max / numTicks;\n }\n\n /// @notice Retrieves fee growth data\n /// @param self The mapping containing all tick information for initialized ticks\n /// @param tickLower The lower tick boundary of the position\n /// @param tickUpper The upper tick boundary of the position\n /// @param tickCurrent The current tick\n /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0\n /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1\n /// @return feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries\n /// @return feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries\n function getFeeGrowthInside(\n mapping(int24 => Tick.Info) storage self,\n int24 tickLower,\n int24 tickUpper,\n int24 tickCurrent,\n uint256 feeGrowthGlobal0X128,\n uint256 feeGrowthGlobal1X128\n ) internal view returns (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) {\n Info storage lower = self[tickLower];\n Info storage upper = self[tickUpper];\n\n // calculate fee growth below\n uint256 feeGrowthBelow0X128;\n uint256 feeGrowthBelow1X128;\n if (tickCurrent >= tickLower) {\n feeGrowthBelow0X128 = lower.feeGrowthOutside0X128;\n feeGrowthBelow1X128 = lower.feeGrowthOutside1X128;\n } else {\n feeGrowthBelow0X128 = feeGrowthGlobal0X128 - lower.feeGrowthOutside0X128;\n feeGrowthBelow1X128 = feeGrowthGlobal1X128 - lower.feeGrowthOutside1X128;\n }\n\n // calculate fee growth above\n uint256 feeGrowthAbove0X128;\n uint256 feeGrowthAbove1X128;\n if (tickCurrent < tickUpper) {\n feeGrowthAbove0X128 = upper.feeGrowthOutside0X128;\n feeGrowthAbove1X128 = upper.feeGrowthOutside1X128;\n } else {\n feeGrowthAbove0X128 = feeGrowthGlobal0X128 - upper.feeGrowthOutside0X128;\n feeGrowthAbove1X128 = feeGrowthGlobal1X128 - upper.feeGrowthOutside1X128;\n }\n\n feeGrowthInside0X128 = feeGrowthGlobal0X128 - feeGrowthBelow0X128 - feeGrowthAbove0X128;\n feeGrowthInside1X128 = feeGrowthGlobal1X128 - feeGrowthBelow1X128 - feeGrowthAbove1X128;\n }\n\n /// @notice Updates a tick and returns true if the tick was flipped from initialized to uninitialized, or vice versa\n /// @param self The mapping containing all tick information for initialized ticks\n /// @param tick The tick that will be updated\n /// @param tickCurrent The current tick\n /// @param liquidityDelta A new amount of liquidity to be added (subtracted) when tick is crossed from left to right (right to left)\n /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0\n /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1\n /// @param secondsPerLiquidityCumulativeX128 The all-time seconds per max(1, liquidity) of the pool\n /// @param time The current block timestamp cast to a uint32\n /// @param upper true for updating a position's upper tick, or false for updating a position's lower tick\n /// @param maxLiquidity The maximum liquidity allocation for a single tick\n /// @return flipped Whether the tick was flipped from initialized to uninitialized, or vice versa\n function update(\n mapping(int24 => Tick.Info) storage self,\n int24 tick,\n int24 tickCurrent,\n int128 liquidityDelta,\n uint256 feeGrowthGlobal0X128,\n uint256 feeGrowthGlobal1X128,\n uint160 secondsPerLiquidityCumulativeX128,\n int56 tickCumulative,\n uint32 time,\n bool upper,\n uint128 maxLiquidity\n ) internal returns (bool flipped) {\n Tick.Info storage info = self[tick];\n\n uint128 liquidityGrossBefore = info.liquidityGross;\n uint128 liquidityGrossAfter = LiquidityMath.addDelta(liquidityGrossBefore, liquidityDelta);\n\n require(liquidityGrossAfter <= maxLiquidity, 'LO');\n\n flipped = (liquidityGrossAfter == 0) != (liquidityGrossBefore == 0);\n\n if (liquidityGrossBefore == 0) {\n // by convention, we assume that all growth before a tick was initialized happened _below_ the tick\n if (tick <= tickCurrent) {\n info.feeGrowthOutside0X128 = feeGrowthGlobal0X128;\n info.feeGrowthOutside1X128 = feeGrowthGlobal1X128;\n info.secondsPerLiquidityOutsideX128 = secondsPerLiquidityCumulativeX128;\n info.tickCumulativeOutside = tickCumulative;\n info.secondsOutside = time;\n }\n info.initialized = true;\n }\n\n info.liquidityGross = liquidityGrossAfter;\n\n // when the lower (upper) tick is crossed left to right (right to left), liquidity must be added (removed)\n info.liquidityNet = upper\n ? int256(info.liquidityNet).sub(liquidityDelta).toInt128()\n : int256(info.liquidityNet).add(liquidityDelta).toInt128();\n }\n\n /// @notice Clears tick data\n /// @param self The mapping containing all initialized tick information for initialized ticks\n /// @param tick The tick that will be cleared\n function clear(mapping(int24 => Tick.Info) storage self, int24 tick) internal {\n delete self[tick];\n }\n\n /// @notice Transitions to next tick as needed by price movement\n /// @param self The mapping containing all tick information for initialized ticks\n /// @param tick The destination tick of the transition\n /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0\n /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1\n /// @param secondsPerLiquidityCumulativeX128 The current seconds per liquidity\n /// @param time The current block.timestamp\n /// @return liquidityNet The amount of liquidity added (subtracted) when tick is crossed from left to right (right to left)\n function cross(\n mapping(int24 => Tick.Info) storage self,\n int24 tick,\n uint256 feeGrowthGlobal0X128,\n uint256 feeGrowthGlobal1X128,\n uint160 secondsPerLiquidityCumulativeX128,\n int56 tickCumulative,\n uint32 time\n ) internal returns (int128 liquidityNet) {\n Tick.Info storage info = self[tick];\n info.feeGrowthOutside0X128 = feeGrowthGlobal0X128 - info.feeGrowthOutside0X128;\n info.feeGrowthOutside1X128 = feeGrowthGlobal1X128 - info.feeGrowthOutside1X128;\n info.secondsPerLiquidityOutsideX128 = secondsPerLiquidityCumulativeX128 - info.secondsPerLiquidityOutsideX128;\n info.tickCumulativeOutside = tickCumulative - info.tickCumulativeOutside;\n info.secondsOutside = time - info.secondsOutside;\n liquidityNet = info.liquidityNet;\n }\n}\n"
},
"contracts/libraries/TickBitmap.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.5.0;\n\nimport './BitMath.sol';\n\n/// @title Packed tick initialized state library\n/// @notice Stores a packed mapping of tick index to its initialized state\n/// @dev The mapping uses int16 for keys since ticks are represented as int24 and there are 256 (2^8) values per word.\nlibrary TickBitmap {\n /// @notice Computes the position in the mapping where the initialized bit for a tick lives\n /// @param tick The tick for which to compute the position\n /// @return wordPos The key in the mapping containing the word in which the bit is stored\n /// @return bitPos The bit position in the word where the flag is stored\n function position(int24 tick) private pure returns (int16 wordPos, uint8 bitPos) {\n wordPos = int16(tick >> 8);\n bitPos = uint8(tick % 256);\n }\n\n /// @notice Flips the initialized state for a given tick from false to true, or vice versa\n /// @param self The mapping in which to flip the tick\n /// @param tick The tick to flip\n /// @param tickSpacing The spacing between usable ticks\n function flipTick(\n mapping(int16 => uint256) storage self,\n int24 tick,\n int24 tickSpacing\n ) internal {\n require(tick % tickSpacing == 0); // ensure that the tick is spaced\n (int16 wordPos, uint8 bitPos) = position(tick / tickSpacing);\n uint256 mask = 1 << bitPos;\n self[wordPos] ^= mask;\n }\n\n /// @notice Returns the next initialized tick contained in the same word (or adjacent word) as the tick that is either\n /// to the left (less than or equal to) or right (greater than) of the given tick\n /// @param self The mapping in which to compute the next initialized tick\n /// @param tick The starting tick\n /// @param tickSpacing The spacing between usable ticks\n /// @param lte Whether to search for the next initialized tick to the left (less than or equal to the starting tick)\n /// @return next The next initialized or uninitialized tick up to 256 ticks away from the current tick\n /// @return initialized Whether the next tick is initialized, as the function only searches within up to 256 ticks\n function nextInitializedTickWithinOneWord(\n mapping(int16 => uint256) storage self,\n int24 tick,\n int24 tickSpacing,\n bool lte\n ) internal view returns (int24 next, bool initialized) {\n int24 compressed = tick / tickSpacing;\n if (tick < 0 && tick % tickSpacing != 0) compressed--; // round towards negative infinity\n\n if (lte) {\n (int16 wordPos, uint8 bitPos) = position(compressed);\n // all the 1s at or to the right of the current bitPos\n uint256 mask = (1 << bitPos) - 1 + (1 << bitPos);\n uint256 masked = self[wordPos] & mask;\n\n // if there are no initialized ticks to the right of or at the current tick, return rightmost in the word\n initialized = masked != 0;\n // overflow/underflow is possible, but prevented externally by limiting both tickSpacing and tick\n next = initialized\n ? (compressed - int24(bitPos - BitMath.mostSignificantBit(masked))) * tickSpacing\n : (compressed - int24(bitPos)) * tickSpacing;\n } else {\n // start from the word of the next tick, since the current tick state doesn't matter\n (int16 wordPos, uint8 bitPos) = position(compressed + 1);\n // all the 1s at or to the left of the bitPos\n uint256 mask = ~((1 << bitPos) - 1);\n uint256 masked = self[wordPos] & mask;\n\n // if there are no initialized ticks to the left of the current tick, return leftmost in the word\n initialized = masked != 0;\n // overflow/underflow is possible, but prevented externally by limiting both tickSpacing and tick\n next = initialized\n ? (compressed + 1 + int24(BitMath.leastSignificantBit(masked) - bitPos)) * tickSpacing\n : (compressed + 1 + int24(type(uint8).max - bitPos)) * tickSpacing;\n }\n }\n}\n"
},
"contracts/libraries/Position.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.5.0;\n\nimport './FullMath.sol';\nimport './FixedPoint128.sol';\nimport './LiquidityMath.sol';\n\n/// @title Position\n/// @notice Positions represent an owner address' liquidity between a lower and upper tick boundary\n/// @dev Positions store additional state for tracking fees owed to the position\nlibrary Position {\n // info stored for each user's position\n struct Info {\n // the amount of liquidity owned by this position\n uint128 liquidity;\n // fee growth per unit of liquidity as of the last update to liquidity or fees owed\n uint256 feeGrowthInside0LastX128;\n uint256 feeGrowthInside1LastX128;\n // the fees owed to the position owner in token0/token1\n uint128 tokensOwed0;\n uint128 tokensOwed1;\n }\n\n /// @notice Returns the Info struct of a position, given an owner and position boundaries\n /// @param self The mapping containing all user positions\n /// @param owner The address of the position owner\n /// @param tickLower The lower tick boundary of the position\n /// @param tickUpper The upper tick boundary of the position\n /// @return position The position info struct of the given owners' position\n function get(\n mapping(bytes32 => Info) storage self,\n address owner,\n int24 tickLower,\n int24 tickUpper\n ) internal view returns (Position.Info storage position) {\n position = self[keccak256(abi.encodePacked(owner, tickLower, tickUpper))];\n }\n\n /// @notice Credits accumulated fees to a user's position\n /// @param self The individual position to update\n /// @param liquidityDelta The change in pool liquidity as a result of the position update\n /// @param feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries\n /// @param feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries\n function update(\n Info storage self,\n int128 liquidityDelta,\n uint256 feeGrowthInside0X128,\n uint256 feeGrowthInside1X128\n ) internal {\n Info memory _self = self;\n\n uint128 liquidityNext;\n if (liquidityDelta == 0) {\n require(_self.liquidity > 0, 'NP'); // disallow pokes for 0 liquidity positions\n liquidityNext = _self.liquidity;\n } else {\n liquidityNext = LiquidityMath.addDelta(_self.liquidity, liquidityDelta);\n }\n\n // calculate accumulated fees\n uint128 tokensOwed0 =\n uint128(\n FullMath.mulDiv(\n feeGrowthInside0X128 - _self.feeGrowthInside0LastX128,\n _self.liquidity,\n FixedPoint128.Q128\n )\n );\n uint128 tokensOwed1 =\n uint128(\n FullMath.mulDiv(\n feeGrowthInside1X128 - _self.feeGrowthInside1LastX128,\n _self.liquidity,\n FixedPoint128.Q128\n )\n );\n\n // update the position\n if (liquidityDelta != 0) self.liquidity = liquidityNext;\n self.feeGrowthInside0LastX128 = feeGrowthInside0X128;\n self.feeGrowthInside1LastX128 = feeGrowthInside1X128;\n if (tokensOwed0 > 0 || tokensOwed1 > 0) {\n // overflow is acceptable, have to withdraw before you hit type(uint128).max fees\n self.tokensOwed0 += tokensOwed0;\n self.tokensOwed1 += tokensOwed1;\n }\n }\n}\n"
},
"contracts/libraries/Oracle.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.5.0;\n\n/// @title Oracle\n/// @notice Provides price and liquidity data useful for a wide variety of system designs\n/// @dev Instances of stored oracle data, \"observations\", are collected in the oracle array\n/// Every pool is initialized with an oracle array length of 1. Anyone can pay the SSTOREs to increase the\n/// maximum length of the oracle array. New slots will be added when the array is fully populated.\n/// Observations are overwritten when the full length of the oracle array is populated.\n/// The most recent observation is available, independent of the length of the oracle array, by passing 0 to observe()\nlibrary Oracle {\n struct Observation {\n // the block timestamp of the observation\n uint32 blockTimestamp;\n // the tick accumulator, i.e. tick * time elapsed since the pool was first initialized\n int56 tickCumulative;\n // the seconds per liquidity, i.e. seconds elapsed / max(1, liquidity) since the pool was first initialized\n uint160 secondsPerLiquidityCumulativeX128;\n // whether or not the observation is initialized\n bool initialized;\n }\n\n /// @notice Transforms a previous observation into a new observation, given the passage of time and the current tick and liquidity values\n /// @dev blockTimestamp _must_ be chronologically equal to or greater than last.blockTimestamp, safe for 0 or 1 overflows\n /// @param last The specified observation to be transformed\n /// @param blockTimestamp The timestamp of the new observation\n /// @param tick The active tick at the time of the new observation\n /// @param liquidity The total in-range liquidity at the time of the new observation\n /// @return Observation The newly populated observation\n function transform(\n Observation memory last,\n uint32 blockTimestamp,\n int24 tick,\n uint128 liquidity\n ) private pure returns (Observation memory) {\n uint32 delta = blockTimestamp - last.blockTimestamp;\n return\n Observation({\n blockTimestamp: blockTimestamp,\n tickCumulative: last.tickCumulative + int56(tick) * delta,\n secondsPerLiquidityCumulativeX128: last.secondsPerLiquidityCumulativeX128 +\n ((uint160(delta) << 128) / (liquidity > 0 ? liquidity : 1)),\n initialized: true\n });\n }\n\n /// @notice Initialize the oracle array by writing the first slot. Called once for the lifecycle of the observations array\n /// @param self The stored oracle array\n /// @param time The time of the oracle initialization, via block.timestamp truncated to uint32\n /// @return cardinality The number of populated elements in the oracle array\n /// @return cardinalityNext The new length of the oracle array, independent of population\n function initialize(Observation[65535] storage self, uint32 time)\n internal\n returns (uint16 cardinality, uint16 cardinalityNext)\n {\n self[0] = Observation({\n blockTimestamp: time,\n tickCumulative: 0,\n secondsPerLiquidityCumulativeX128: 0,\n initialized: true\n });\n return (1, 1);\n }\n\n /// @notice Writes an oracle observation to the array\n /// @dev Writable at most once per block. Index represents the most recently written element. cardinality and index must be tracked externally.\n /// If the index is at the end of the allowable array length (according to cardinality), and the next cardinality\n /// is greater than the current one, cardinality may be increased. This restriction is created to preserve ordering.\n /// @param self The stored oracle array\n /// @param index The index of the observation that was most recently written to the observations array\n /// @param blockTimestamp The timestamp of the new observation\n /// @param tick The active tick at the time of the new observation\n /// @param liquidity The total in-range liquidity at the time of the new observation\n /// @param cardinality The number of populated elements in the oracle array\n /// @param cardinalityNext The new length of the oracle array, independent of population\n /// @return indexUpdated The new index of the most recently written element in the oracle array\n /// @return cardinalityUpdated The new cardinality of the oracle array\n function write(\n Observation[65535] storage self,\n uint16 index,\n uint32 blockTimestamp,\n int24 tick,\n uint128 liquidity,\n uint16 cardinality,\n uint16 cardinalityNext\n ) internal returns (uint16 indexUpdated, uint16 cardinalityUpdated) {\n Observation memory last = self[index];\n\n // early return if we've already written an observation this block\n if (last.blockTimestamp == blockTimestamp) return (index, cardinality);\n\n // if the conditions are right, we can bump the cardinality\n if (cardinalityNext > cardinality && index == (cardinality - 1)) {\n cardinalityUpdated = cardinalityNext;\n } else {\n cardinalityUpdated = cardinality;\n }\n\n indexUpdated = (index + 1) % cardinalityUpdated;\n self[indexUpdated] = transform(last, blockTimestamp, tick, liquidity);\n }\n\n /// @notice Prepares the oracle array to store up to `next` observations\n /// @param self The stored oracle array\n /// @param current The current next cardinality of the oracle array\n /// @param next The proposed next cardinality which will be populated in the oracle array\n /// @return next The next cardinality which will be populated in the oracle array\n function grow(\n Observation[65535] storage self,\n uint16 current,\n uint16 next\n ) internal returns (uint16) {\n require(current > 0, 'I');\n // no-op if the passed next value isn't greater than the current next value\n if (next <= current) return current;\n // store in each slot to prevent fresh SSTOREs in swaps\n // this data will not be used because the initialized boolean is still false\n for (uint16 i = current; i < next; i++) self[i].blockTimestamp = 1;\n return next;\n }\n\n /// @notice comparator for 32-bit timestamps\n /// @dev safe for 0 or 1 overflows, a and b _must_ be chronologically before or equal to time\n /// @param time A timestamp truncated to 32 bits\n /// @param a A comparison timestamp from which to determine the relative position of `time`\n /// @param b From which to determine the relative position of `time`\n /// @return bool Whether `a` is chronologically <= `b`\n function lte(\n uint32 time,\n uint32 a,\n uint32 b\n ) private pure returns (bool) {\n // if there hasn't been overflow, no need to adjust\n if (a <= time && b <= time) return a <= b;\n\n uint256 aAdjusted = a > time ? a : a + 2**32;\n uint256 bAdjusted = b > time ? b : b + 2**32;\n\n return aAdjusted <= bAdjusted;\n }\n\n /// @notice Fetches the observations beforeOrAt and atOrAfter a target, i.e. where [beforeOrAt, atOrAfter] is satisfied.\n /// The result may be the same observation, or adjacent observations.\n /// @dev The answer must be contained in the array, used when the target is located within the stored observation\n /// boundaries: older than the most recent observation and younger, or the same age as, the oldest observation\n /// @param self The stored oracle array\n /// @param time The current block.timestamp\n /// @param target The timestamp at which the reserved observation should be for\n /// @param index The index of the observation that was most recently written to the observations array\n /// @param cardinality The number of populated elements in the oracle array\n /// @return beforeOrAt The observation recorded before, or at, the target\n /// @return atOrAfter The observation recorded at, or after, the target\n function binarySearch(\n Observation[65535] storage self,\n uint32 time,\n uint32 target,\n uint16 index,\n uint16 cardinality\n ) private view returns (Observation memory beforeOrAt, Observation memory atOrAfter) {\n uint256 l = (index + 1) % cardinality; // oldest observation\n uint256 r = l + cardinality - 1; // newest observation\n uint256 i;\n while (true) {\n i = (l + r) / 2;\n\n beforeOrAt = self[i % cardinality];\n\n // we've landed on an uninitialized tick, keep searching higher (more recently)\n if (!beforeOrAt.initialized) {\n l = i + 1;\n continue;\n }\n\n atOrAfter = self[(i + 1) % cardinality];\n\n bool targetAtOrAfter = lte(time, beforeOrAt.blockTimestamp, target);\n\n // check if we've found the answer!\n if (targetAtOrAfter && lte(time, target, atOrAfter.blockTimestamp)) break;\n\n if (!targetAtOrAfter) r = i - 1;\n else l = i + 1;\n }\n }\n\n /// @notice Fetches the observations beforeOrAt and atOrAfter a given target, i.e. where [beforeOrAt, atOrAfter] is satisfied\n /// @dev Assumes there is at least 1 initialized observation.\n /// Used by observeSingle() to compute the counterfactual accumulator values as of a given block timestamp.\n /// @param self The stored oracle array\n /// @param time The current block.timestamp\n /// @param target The timestamp at which the reserved observation should be for\n /// @param tick The active tick at the time of the returned or simulated observation\n /// @param index The index of the observation that was most recently written to the observations array\n /// @param liquidity The total pool liquidity at the time of the call\n /// @param cardinality The number of populated elements in the oracle array\n /// @return beforeOrAt The observation which occurred at, or before, the given timestamp\n /// @return atOrAfter The observation which occurred at, or after, the given timestamp\n function getSurroundingObservations(\n Observation[65535] storage self,\n uint32 time,\n uint32 target,\n int24 tick,\n uint16 index,\n uint128 liquidity,\n uint16 cardinality\n ) private view returns (Observation memory beforeOrAt, Observation memory atOrAfter) {\n // optimistically set before to the newest observation\n beforeOrAt = self[index];\n\n // if the target is chronologically at or after the newest observation, we can early return\n if (lte(time, beforeOrAt.blockTimestamp, target)) {\n if (beforeOrAt.blockTimestamp == target) {\n // if newest observation equals target, we're in the same block, so we can ignore atOrAfter\n return (beforeOrAt, atOrAfter);\n } else {\n // otherwise, we need to transform\n return (beforeOrAt, transform(beforeOrAt, target, tick, liquidity));\n }\n }\n\n // now, set before to the oldest observation\n beforeOrAt = self[(index + 1) % cardinality];\n if (!beforeOrAt.initialized) beforeOrAt = self[0];\n\n // ensure that the target is chronologically at or after the oldest observation\n require(lte(time, beforeOrAt.blockTimestamp, target), 'OLD');\n\n // if we've reached this point, we have to binary search\n return binarySearch(self, time, target, index, cardinality);\n }\n\n /// @dev Reverts if an observation at or before the desired observation timestamp does not exist.\n /// 0 may be passed as `secondsAgo' to return the current cumulative values.\n /// If called with a timestamp falling between two observations, returns the counterfactual accumulator values\n /// at exactly the timestamp between the two observations.\n /// @param self The stored oracle array\n /// @param time The current block timestamp\n /// @param secondsAgo The amount of time to look back, in seconds, at which point to return an observation\n /// @param tick The current tick\n /// @param index The index of the observation that was most recently written to the observations array\n /// @param liquidity The current in-range pool liquidity\n /// @param cardinality The number of populated elements in the oracle array\n /// @return tickCumulative The tick * time elapsed since the pool was first initialized, as of `secondsAgo`\n /// @return secondsPerLiquidityCumulativeX128 The time elapsed / max(1, liquidity) since the pool was first initialized, as of `secondsAgo`\n function observeSingle(\n Observation[65535] storage self,\n uint32 time,\n uint32 secondsAgo,\n int24 tick,\n uint16 index,\n uint128 liquidity,\n uint16 cardinality\n ) internal view returns (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) {\n if (secondsAgo == 0) {\n Observation memory last = self[index];\n if (last.blockTimestamp != time) last = transform(last, time, tick, liquidity);\n return (last.tickCumulative, last.secondsPerLiquidityCumulativeX128);\n }\n\n uint32 target = time - secondsAgo;\n\n (Observation memory beforeOrAt, Observation memory atOrAfter) =\n getSurroundingObservations(self, time, target, tick, index, liquidity, cardinality);\n\n if (target == beforeOrAt.blockTimestamp) {\n // we're at the left boundary\n return (beforeOrAt.tickCumulative, beforeOrAt.secondsPerLiquidityCumulativeX128);\n } else if (target == atOrAfter.blockTimestamp) {\n // we're at the right boundary\n return (atOrAfter.tickCumulative, atOrAfter.secondsPerLiquidityCumulativeX128);\n } else {\n // we're in the middle\n uint32 observationTimeDelta = atOrAfter.blockTimestamp - beforeOrAt.blockTimestamp;\n uint32 targetDelta = target - beforeOrAt.blockTimestamp;\n return (\n beforeOrAt.tickCumulative +\n ((atOrAfter.tickCumulative - beforeOrAt.tickCumulative) / observationTimeDelta) *\n targetDelta,\n beforeOrAt.secondsPerLiquidityCumulativeX128 +\n uint160(\n (uint256(\n atOrAfter.secondsPerLiquidityCumulativeX128 - beforeOrAt.secondsPerLiquidityCumulativeX128\n ) * targetDelta) / observationTimeDelta\n )\n );\n }\n }\n\n /// @notice Returns the accumulator values as of each time seconds ago from the given time in the array of `secondsAgos`\n /// @dev Reverts if `secondsAgos` > oldest observation\n /// @param self The stored oracle array\n /// @param time The current block.timestamp\n /// @param secondsAgos Each amount of time to look back, in seconds, at which point to return an observation\n /// @param tick The current tick\n /// @param index The index of the observation that was most recently written to the observations array\n /// @param liquidity The current in-range pool liquidity\n /// @param cardinality The number of populated elements in the oracle array\n /// @return tickCumulatives The tick * time elapsed since the pool was first initialized, as of each `secondsAgo`\n /// @return secondsPerLiquidityCumulativeX128s The cumulative seconds / max(1, liquidity) since the pool was first initialized, as of each `secondsAgo`\n function observe(\n Observation[65535] storage self,\n uint32 time,\n uint32[] memory secondsAgos,\n int24 tick,\n uint16 index,\n uint128 liquidity,\n uint16 cardinality\n ) internal view returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s) {\n require(cardinality > 0, 'I');\n\n tickCumulatives = new int56[](secondsAgos.length);\n secondsPerLiquidityCumulativeX128s = new uint160[](secondsAgos.length);\n for (uint256 i = 0; i < secondsAgos.length; i++) {\n (tickCumulatives[i], secondsPerLiquidityCumulativeX128s[i]) = observeSingle(\n self,\n time,\n secondsAgos[i],\n tick,\n index,\n liquidity,\n cardinality\n );\n }\n }\n}\n"
},
"contracts/libraries/FullMath.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.4.0;\n\n/// @title Contains 512-bit math functions\n/// @notice Facilitates multiplication and division that can have overflow of an intermediate value without any loss of precision\n/// @dev Handles \"phantom overflow\" i.e., allows multiplication and division where an intermediate value overflows 256 bits\nlibrary FullMath {\n /// @notice Calculates floor(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0\n /// @param a The multiplicand\n /// @param b The multiplier\n /// @param denominator The divisor\n /// @return result The 256-bit result\n /// @dev Credit to Remco Bloemen under MIT license https://xn--2-umb.com/21/muldiv\n function mulDiv(\n uint256 a,\n uint256 b,\n uint256 denominator\n ) internal pure returns (uint256 result) {\n // 512-bit multiply [prod1 prod0] = a * b\n // Compute the product mod 2**256 and mod 2**256 - 1\n // then use the Chinese Remainder Theorem to reconstruct\n // the 512 bit result. The result is stored in two 256\n // variables such that product = prod1 * 2**256 + prod0\n uint256 prod0; // Least significant 256 bits of the product\n uint256 prod1; // Most significant 256 bits of the product\n assembly {\n let mm := mulmod(a, b, not(0))\n prod0 := mul(a, b)\n prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n }\n\n // Handle non-overflow cases, 256 by 256 division\n if (prod1 == 0) {\n require(denominator > 0);\n assembly {\n result := div(prod0, denominator)\n }\n return result;\n }\n\n // Make sure the result is less than 2**256.\n // Also prevents denominator == 0\n require(denominator > prod1);\n\n ///////////////////////////////////////////////\n // 512 by 256 division.\n ///////////////////////////////////////////////\n\n // Make division exact by subtracting the remainder from [prod1 prod0]\n // Compute remainder using mulmod\n uint256 remainder;\n assembly {\n remainder := mulmod(a, b, denominator)\n }\n // Subtract 256 bit number from 512 bit number\n assembly {\n prod1 := sub(prod1, gt(remainder, prod0))\n prod0 := sub(prod0, remainder)\n }\n\n // Factor powers of two out of denominator\n // Compute largest power of two divisor of denominator.\n // Always >= 1.\n uint256 twos = -denominator & denominator;\n // Divide denominator by power of two\n assembly {\n denominator := div(denominator, twos)\n }\n\n // Divide [prod1 prod0] by the factors of two\n assembly {\n prod0 := div(prod0, twos)\n }\n // Shift in bits from prod1 into prod0. For this we need\n // to flip `twos` such that it is 2**256 / twos.\n // If twos is zero, then it becomes one\n assembly {\n twos := add(div(sub(0, twos), twos), 1)\n }\n prod0 |= prod1 * twos;\n\n // Invert denominator mod 2**256\n // Now that denominator is an odd number, it has an inverse\n // modulo 2**256 such that denominator * inv = 1 mod 2**256.\n // Compute the inverse by starting with a seed that is correct\n // correct for four bits. That is, denominator * inv = 1 mod 2**4\n uint256 inv = (3 * denominator) ^ 2;\n // Now use Newton-Raphson iteration to improve the precision.\n // Thanks to Hensel's lifting lemma, this also works in modular\n // arithmetic, doubling the correct bits in each step.\n inv *= 2 - denominator * inv; // inverse mod 2**8\n inv *= 2 - denominator * inv; // inverse mod 2**16\n inv *= 2 - denominator * inv; // inverse mod 2**32\n inv *= 2 - denominator * inv; // inverse mod 2**64\n inv *= 2 - denominator * inv; // inverse mod 2**128\n inv *= 2 - denominator * inv; // inverse mod 2**256\n\n // Because the division is now exact we can divide by multiplying\n // with the modular inverse of denominator. This will give us the\n // correct result modulo 2**256. Since the precoditions guarantee\n // that the outcome is less than 2**256, this is the final result.\n // We don't need to compute the high bits of the result and prod1\n // is no longer required.\n result = prod0 * inv;\n return result;\n }\n\n /// @notice Calculates ceil(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0\n /// @param a The multiplicand\n /// @param b The multiplier\n /// @param denominator The divisor\n /// @return result The 256-bit result\n function mulDivRoundingUp(\n uint256 a,\n uint256 b,\n uint256 denominator\n ) internal pure returns (uint256 result) {\n result = mulDiv(a, b, denominator);\n if (mulmod(a, b, denominator) > 0) {\n require(result < type(uint256).max);\n result++;\n }\n }\n}\n"
},
"contracts/libraries/FixedPoint128.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.4.0;\n\n/// @title FixedPoint128\n/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format)\nlibrary FixedPoint128 {\n uint256 internal constant Q128 = 0x100000000000000000000000000000000;\n}\n"
},
"contracts/libraries/TransferHelper.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.6.0;\n\nimport '../interfaces/IERC20Minimal.sol';\n\n/// @title TransferHelper\n/// @notice Contains helper methods for interacting with ERC20 tokens that do not consistently return true/false\nlibrary TransferHelper {\n /// @notice Transfers tokens from msg.sender to a recipient\n /// @dev Calls transfer on token contract, errors with TF if transfer fails\n /// @param token The contract address of the token which will be transferred\n /// @param to The recipient of the transfer\n /// @param value The value of the transfer\n function safeTransfer(\n address token,\n address to,\n uint256 value\n ) internal {\n (bool success, bytes memory data) =\n token.call(abi.encodeWithSelector(IERC20Minimal.transfer.selector, to, value));\n require(success && (data.length == 0 || abi.decode(data, (bool))), 'TF');\n }\n}\n"
},
"contracts/libraries/TickMath.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Math library for computing sqrt prices from ticks and vice versa\n/// @notice Computes sqrt price for ticks of size 1.0001, i.e. sqrt(1.0001^tick) as fixed point Q64.96 numbers. Supports\n/// prices between 2**-128 and 2**128\nlibrary TickMath {\n /// @dev The minimum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**-128\n int24 internal constant MIN_TICK = -887272;\n /// @dev The maximum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**128\n int24 internal constant MAX_TICK = -MIN_TICK;\n\n /// @dev The minimum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MIN_TICK)\n uint160 internal constant MIN_SQRT_RATIO = 4295128739;\n /// @dev The maximum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MAX_TICK)\n uint160 internal constant MAX_SQRT_RATIO = 1461446703485210103287273052203988822378723970342;\n\n /// @notice Calculates sqrt(1.0001^tick) * 2^96\n /// @dev Throws if |tick| > max tick\n /// @param tick The input tick for the above formula\n /// @return sqrtPriceX96 A Fixed point Q64.96 number representing the sqrt of the ratio of the two assets (token1/token0)\n /// at the given tick\n function getSqrtRatioAtTick(int24 tick) internal pure returns (uint160 sqrtPriceX96) {\n uint256 absTick = tick < 0 ? uint256(-int256(tick)) : uint256(int256(tick));\n require(absTick <= uint256(MAX_TICK), 'T');\n\n uint256 ratio = absTick & 0x1 != 0 ? 0xfffcb933bd6fad37aa2d162d1a594001 : 0x100000000000000000000000000000000;\n if (absTick & 0x2 != 0) ratio = (ratio * 0xfff97272373d413259a46990580e213a) >> 128;\n if (absTick & 0x4 != 0) ratio = (ratio * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128;\n if (absTick & 0x8 != 0) ratio = (ratio * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128;\n if (absTick & 0x10 != 0) ratio = (ratio * 0xffcb9843d60f6159c9db58835c926644) >> 128;\n if (absTick & 0x20 != 0) ratio = (ratio * 0xff973b41fa98c081472e6896dfb254c0) >> 128;\n if (absTick & 0x40 != 0) ratio = (ratio * 0xff2ea16466c96a3843ec78b326b52861) >> 128;\n if (absTick & 0x80 != 0) ratio = (ratio * 0xfe5dee046a99a2a811c461f1969c3053) >> 128;\n if (absTick & 0x100 != 0) ratio = (ratio * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128;\n if (absTick & 0x200 != 0) ratio = (ratio * 0xf987a7253ac413176f2b074cf7815e54) >> 128;\n if (absTick & 0x400 != 0) ratio = (ratio * 0xf3392b0822b70005940c7a398e4b70f3) >> 128;\n if (absTick & 0x800 != 0) ratio = (ratio * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128;\n if (absTick & 0x1000 != 0) ratio = (ratio * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128;\n if (absTick & 0x2000 != 0) ratio = (ratio * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128;\n if (absTick & 0x4000 != 0) ratio = (ratio * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128;\n if (absTick & 0x8000 != 0) ratio = (ratio * 0x31be135f97d08fd981231505542fcfa6) >> 128;\n if (absTick & 0x10000 != 0) ratio = (ratio * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128;\n if (absTick & 0x20000 != 0) ratio = (ratio * 0x5d6af8dedb81196699c329225ee604) >> 128;\n if (absTick & 0x40000 != 0) ratio = (ratio * 0x2216e584f5fa1ea926041bedfe98) >> 128;\n if (absTick & 0x80000 != 0) ratio = (ratio * 0x48a170391f7dc42444e8fa2) >> 128;\n\n if (tick > 0) ratio = type(uint256).max / ratio;\n\n // this divides by 1<<32 rounding up to go from a Q128.128 to a Q128.96.\n // we then downcast because we know the result always fits within 160 bits due to our tick input constraint\n // we round up in the division so getTickAtSqrtRatio of the output price is always consistent\n sqrtPriceX96 = uint160((ratio >> 32) + (ratio % (1 << 32) == 0 ? 0 : 1));\n }\n\n /// @notice Calculates the greatest tick value such that getRatioAtTick(tick) <= ratio\n /// @dev Throws in case sqrtPriceX96 < MIN_SQRT_RATIO, as MIN_SQRT_RATIO is the lowest value getRatioAtTick may\n /// ever return.\n /// @param sqrtPriceX96 The sqrt ratio for which to compute the tick as a Q64.96\n /// @return tick The greatest tick for which the ratio is less than or equal to the input ratio\n function getTickAtSqrtRatio(uint160 sqrtPriceX96) internal pure returns (int24 tick) {\n // second inequality must be < because the price can never reach the price at the max tick\n require(sqrtPriceX96 >= MIN_SQRT_RATIO && sqrtPriceX96 < MAX_SQRT_RATIO, 'R');\n uint256 ratio = uint256(sqrtPriceX96) << 32;\n\n uint256 r = ratio;\n uint256 msb = 0;\n\n assembly {\n let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))\n msb := or(msb, f)\n r := shr(f, r)\n }\n assembly {\n let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF))\n msb := or(msb, f)\n r := shr(f, r)\n }\n assembly {\n let f := shl(5, gt(r, 0xFFFFFFFF))\n msb := or(msb, f)\n r := shr(f, r)\n }\n assembly {\n let f := shl(4, gt(r, 0xFFFF))\n msb := or(msb, f)\n r := shr(f, r)\n }\n assembly {\n let f := shl(3, gt(r, 0xFF))\n msb := or(msb, f)\n r := shr(f, r)\n }\n assembly {\n let f := shl(2, gt(r, 0xF))\n msb := or(msb, f)\n r := shr(f, r)\n }\n assembly {\n let f := shl(1, gt(r, 0x3))\n msb := or(msb, f)\n r := shr(f, r)\n }\n assembly {\n let f := gt(r, 0x1)\n msb := or(msb, f)\n }\n\n if (msb >= 128) r = ratio >> (msb - 127);\n else r = ratio << (127 - msb);\n\n int256 log_2 = (int256(msb) - 128) << 64;\n\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(63, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(62, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(61, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(60, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(59, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(58, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(57, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(56, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(55, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(54, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(53, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(52, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(51, f))\n r := shr(f, r)\n }\n assembly {\n r := shr(127, mul(r, r))\n let f := shr(128, r)\n log_2 := or(log_2, shl(50, f))\n }\n\n int256 log_sqrt10001 = log_2 * 255738958999603826347141; // 128.128 number\n\n int24 tickLow = int24((log_sqrt10001 - 3402992956809132418596140100660247210) >> 128);\n int24 tickHi = int24((log_sqrt10001 + 291339464771989622907027621153398088495) >> 128);\n\n tick = tickLow == tickHi ? tickLow : getSqrtRatioAtTick(tickHi) <= sqrtPriceX96 ? tickHi : tickLow;\n }\n}\n"
},
"contracts/libraries/LiquidityMath.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Math library for liquidity\nlibrary LiquidityMath {\n /// @notice Add a signed liquidity delta to liquidity and revert if it overflows or underflows\n /// @param x The liquidity before change\n /// @param y The delta by which liquidity should be changed\n /// @return z The liquidity delta\n function addDelta(uint128 x, int128 y) internal pure returns (uint128 z) {\n if (y < 0) {\n require((z = x - uint128(-y)) < x, 'LS');\n } else {\n require((z = x + uint128(y)) >= x, 'LA');\n }\n }\n}\n"
},
"contracts/libraries/SqrtPriceMath.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.5.0;\n\nimport './LowGasSafeMath.sol';\nimport './SafeCast.sol';\n\nimport './FullMath.sol';\nimport './UnsafeMath.sol';\nimport './FixedPoint96.sol';\n\n/// @title Functions based on Q64.96 sqrt price and liquidity\n/// @notice Contains the math that uses square root of price as a Q64.96 and liquidity to compute deltas\nlibrary SqrtPriceMath {\n using LowGasSafeMath for uint256;\n using SafeCast for uint256;\n\n /// @notice Gets the next sqrt price given a delta of token0\n /// @dev Always rounds up, because in the exact output case (increasing price) we need to move the price at least\n /// far enough to get the desired output amount, and in the exact input case (decreasing price) we need to move the\n /// price less in order to not send too much output.\n /// The most precise formula for this is liquidity * sqrtPX96 / (liquidity +- amount * sqrtPX96),\n /// if this is impossible because of overflow, we calculate liquidity / (liquidity / sqrtPX96 +- amount).\n /// @param sqrtPX96 The starting price, i.e. before accounting for the token0 delta\n /// @param liquidity The amount of usable liquidity\n /// @param amount How much of token0 to add or remove from virtual reserves\n /// @param add Whether to add or remove the amount of token0\n /// @return The price after adding or removing amount, depending on add\n function getNextSqrtPriceFromAmount0RoundingUp(\n uint160 sqrtPX96,\n uint128 liquidity,\n uint256 amount,\n bool add\n ) internal pure returns (uint160) {\n // we short circuit amount == 0 because the result is otherwise not guaranteed to equal the input price\n if (amount == 0) return sqrtPX96;\n uint256 numerator1 = uint256(liquidity) << FixedPoint96.RESOLUTION;\n\n if (add) {\n uint256 product;\n if ((product = amount * sqrtPX96) / amount == sqrtPX96) {\n uint256 denominator = numerator1 + product;\n if (denominator >= numerator1)\n // always fits in 160 bits\n return uint160(FullMath.mulDivRoundingUp(numerator1, sqrtPX96, denominator));\n }\n\n return uint160(UnsafeMath.divRoundingUp(numerator1, (numerator1 / sqrtPX96).add(amount)));\n } else {\n uint256 product;\n // if the product overflows, we know the denominator underflows\n // in addition, we must check that the denominator does not underflow\n require((product = amount * sqrtPX96) / amount == sqrtPX96 && numerator1 > product);\n uint256 denominator = numerator1 - product;\n return FullMath.mulDivRoundingUp(numerator1, sqrtPX96, denominator).toUint160();\n }\n }\n\n /// @notice Gets the next sqrt price given a delta of token1\n /// @dev Always rounds down, because in the exact output case (decreasing price) we need to move the price at least\n /// far enough to get the desired output amount, and in the exact input case (increasing price) we need to move the\n /// price less in order to not send too much output.\n /// The formula we compute is within <1 wei of the lossless version: sqrtPX96 +- amount / liquidity\n /// @param sqrtPX96 The starting price, i.e., before accounting for the token1 delta\n /// @param liquidity The amount of usable liquidity\n /// @param amount How much of token1 to add, or remove, from virtual reserves\n /// @param add Whether to add, or remove, the amount of token1\n /// @return The price after adding or removing `amount`\n function getNextSqrtPriceFromAmount1RoundingDown(\n uint160 sqrtPX96,\n uint128 liquidity,\n uint256 amount,\n bool add\n ) internal pure returns (uint160) {\n // if we're adding (subtracting), rounding down requires rounding the quotient down (up)\n // in both cases, avoid a mulDiv for most inputs\n if (add) {\n uint256 quotient =\n (\n amount <= type(uint160).max\n ? (amount << FixedPoint96.RESOLUTION) / liquidity\n : FullMath.mulDiv(amount, FixedPoint96.Q96, liquidity)\n );\n\n return uint256(sqrtPX96).add(quotient).toUint160();\n } else {\n uint256 quotient =\n (\n amount <= type(uint160).max\n ? UnsafeMath.divRoundingUp(amount << FixedPoint96.RESOLUTION, liquidity)\n : FullMath.mulDivRoundingUp(amount, FixedPoint96.Q96, liquidity)\n );\n\n require(sqrtPX96 > quotient);\n // always fits 160 bits\n return uint160(sqrtPX96 - quotient);\n }\n }\n\n /// @notice Gets the next sqrt price given an input amount of token0 or token1\n /// @dev Throws if price or liquidity are 0, or if the next price is out of bounds\n /// @param sqrtPX96 The starting price, i.e., before accounting for the input amount\n /// @param liquidity The amount of usable liquidity\n /// @param amountIn How much of token0, or token1, is being swapped in\n /// @param zeroForOne Whether the amount in is token0 or token1\n /// @return sqrtQX96 The price after adding the input amount to token0 or token1\n function getNextSqrtPriceFromInput(\n uint160 sqrtPX96,\n uint128 liquidity,\n uint256 amountIn,\n bool zeroForOne\n ) internal pure returns (uint160 sqrtQX96) {\n require(sqrtPX96 > 0);\n require(liquidity > 0);\n\n // round to make sure that we don't pass the target price\n return\n zeroForOne\n ? getNextSqrtPriceFromAmount0RoundingUp(sqrtPX96, liquidity, amountIn, true)\n : getNextSqrtPriceFromAmount1RoundingDown(sqrtPX96, liquidity, amountIn, true);\n }\n\n /// @notice Gets the next sqrt price given an output amount of token0 or token1\n /// @dev Throws if price or liquidity are 0 or the next price is out of bounds\n /// @param sqrtPX96 The starting price before accounting for the output amount\n /// @param liquidity The amount of usable liquidity\n /// @param amountOut How much of token0, or token1, is being swapped out\n /// @param zeroForOne Whether the amount out is token0 or token1\n /// @return sqrtQX96 The price after removing the output amount of token0 or token1\n function getNextSqrtPriceFromOutput(\n uint160 sqrtPX96,\n uint128 liquidity,\n uint256 amountOut,\n bool zeroForOne\n ) internal pure returns (uint160 sqrtQX96) {\n require(sqrtPX96 > 0);\n require(liquidity > 0);\n\n // round to make sure that we pass the target price\n return\n zeroForOne\n ? getNextSqrtPriceFromAmount1RoundingDown(sqrtPX96, liquidity, amountOut, false)\n : getNextSqrtPriceFromAmount0RoundingUp(sqrtPX96, liquidity, amountOut, false);\n }\n\n /// @notice Gets the amount0 delta between two prices\n /// @dev Calculates liquidity / sqrt(lower) - liquidity / sqrt(upper),\n /// i.e. liquidity * (sqrt(upper) - sqrt(lower)) / (sqrt(upper) * sqrt(lower))\n /// @param sqrtRatioAX96 A sqrt price\n /// @param sqrtRatioBX96 Another sqrt price\n /// @param liquidity The amount of usable liquidity\n /// @param roundUp Whether to round the amount up or down\n /// @return amount0 Amount of token0 required to cover a position of size liquidity between the two passed prices\n function getAmount0Delta(\n uint160 sqrtRatioAX96,\n uint160 sqrtRatioBX96,\n uint128 liquidity,\n bool roundUp\n ) internal pure returns (uint256 amount0) {\n if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96);\n\n uint256 numerator1 = uint256(liquidity) << FixedPoint96.RESOLUTION;\n uint256 numerator2 = sqrtRatioBX96 - sqrtRatioAX96;\n\n require(sqrtRatioAX96 > 0);\n\n return\n roundUp\n ? UnsafeMath.divRoundingUp(\n FullMath.mulDivRoundingUp(numerator1, numerator2, sqrtRatioBX96),\n sqrtRatioAX96\n )\n : FullMath.mulDiv(numerator1, numerator2, sqrtRatioBX96) / sqrtRatioAX96;\n }\n\n /// @notice Gets the amount1 delta between two prices\n /// @dev Calculates liquidity * (sqrt(upper) - sqrt(lower))\n /// @param sqrtRatioAX96 A sqrt price\n /// @param sqrtRatioBX96 Another sqrt price\n /// @param liquidity The amount of usable liquidity\n /// @param roundUp Whether to round the amount up, or down\n /// @return amount1 Amount of token1 required to cover a position of size liquidity between the two passed prices\n function getAmount1Delta(\n uint160 sqrtRatioAX96,\n uint160 sqrtRatioBX96,\n uint128 liquidity,\n bool roundUp\n ) internal pure returns (uint256 amount1) {\n if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96);\n\n return\n roundUp\n ? FullMath.mulDivRoundingUp(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96)\n : FullMath.mulDiv(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96);\n }\n\n /// @notice Helper that gets signed token0 delta\n /// @param sqrtRatioAX96 A sqrt price\n /// @param sqrtRatioBX96 Another sqrt price\n /// @param liquidity The change in liquidity for which to compute the amount0 delta\n /// @return amount0 Amount of token0 corresponding to the passed liquidityDelta between the two prices\n function getAmount0Delta(\n uint160 sqrtRatioAX96,\n uint160 sqrtRatioBX96,\n int128 liquidity\n ) internal pure returns (int256 amount0) {\n return\n liquidity < 0\n ? -getAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(-liquidity), false).toInt256()\n : getAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(liquidity), true).toInt256();\n }\n\n /// @notice Helper that gets signed token1 delta\n /// @param sqrtRatioAX96 A sqrt price\n /// @param sqrtRatioBX96 Another sqrt price\n /// @param liquidity The change in liquidity for which to compute the amount1 delta\n /// @return amount1 Amount of token1 corresponding to the passed liquidityDelta between the two prices\n function getAmount1Delta(\n uint160 sqrtRatioAX96,\n uint160 sqrtRatioBX96,\n int128 liquidity\n ) internal pure returns (int256 amount1) {\n return\n liquidity < 0\n ? -getAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(-liquidity), false).toInt256()\n : getAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(liquidity), true).toInt256();\n }\n}\n"
},
"contracts/libraries/SwapMath.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.5.0;\n\nimport './FullMath.sol';\nimport './SqrtPriceMath.sol';\n\n/// @title Computes the result of a swap within ticks\n/// @notice Contains methods for computing the result of a swap within a single tick price range, i.e., a single tick.\nlibrary SwapMath {\n /// @notice Computes the result of swapping some amount in, or amount out, given the parameters of the swap\n /// @dev The fee, plus the amount in, will never exceed the amount remaining if the swap's `amountSpecified` is positive\n /// @param sqrtRatioCurrentX96 The current sqrt price of the pool\n /// @param sqrtRatioTargetX96 The price that cannot be exceeded, from which the direction of the swap is inferred\n /// @param liquidity The usable liquidity\n /// @param amountRemaining How much input or output amount is remaining to be swapped in/out\n /// @param feePips The fee taken from the input amount, expressed in hundredths of a bip\n /// @return sqrtRatioNextX96 The price after swapping the amount in/out, not to exceed the price target\n /// @return amountIn The amount to be swapped in, of either token0 or token1, based on the direction of the swap\n /// @return amountOut The amount to be received, of either token0 or token1, based on the direction of the swap\n /// @return feeAmount The amount of input that will be taken as a fee\n function computeSwapStep(\n uint160 sqrtRatioCurrentX96,\n uint160 sqrtRatioTargetX96,\n uint128 liquidity,\n int256 amountRemaining,\n uint24 feePips\n )\n internal\n pure\n returns (\n uint160 sqrtRatioNextX96,\n uint256 amountIn,\n uint256 amountOut,\n uint256 feeAmount\n )\n {\n bool zeroForOne = sqrtRatioCurrentX96 >= sqrtRatioTargetX96;\n bool exactIn = amountRemaining >= 0;\n\n if (exactIn) {\n uint256 amountRemainingLessFee = FullMath.mulDiv(uint256(amountRemaining), 1e6 - feePips, 1e6);\n amountIn = zeroForOne\n ? SqrtPriceMath.getAmount0Delta(sqrtRatioTargetX96, sqrtRatioCurrentX96, liquidity, true)\n : SqrtPriceMath.getAmount1Delta(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, true);\n if (amountRemainingLessFee >= amountIn) sqrtRatioNextX96 = sqrtRatioTargetX96;\n else\n sqrtRatioNextX96 = SqrtPriceMath.getNextSqrtPriceFromInput(\n sqrtRatioCurrentX96,\n liquidity,\n amountRemainingLessFee,\n zeroForOne\n );\n } else {\n amountOut = zeroForOne\n ? SqrtPriceMath.getAmount1Delta(sqrtRatioTargetX96, sqrtRatioCurrentX96, liquidity, false)\n : SqrtPriceMath.getAmount0Delta(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, false);\n if (uint256(-amountRemaining) >= amountOut) sqrtRatioNextX96 = sqrtRatioTargetX96;\n else\n sqrtRatioNextX96 = SqrtPriceMath.getNextSqrtPriceFromOutput(\n sqrtRatioCurrentX96,\n liquidity,\n uint256(-amountRemaining),\n zeroForOne\n );\n }\n\n bool max = sqrtRatioTargetX96 == sqrtRatioNextX96;\n\n // get the input/output amounts\n if (zeroForOne) {\n amountIn = max && exactIn\n ? amountIn\n : SqrtPriceMath.getAmount0Delta(sqrtRatioNextX96, sqrtRatioCurrentX96, liquidity, true);\n amountOut = max && !exactIn\n ? amountOut\n : SqrtPriceMath.getAmount1Delta(sqrtRatioNextX96, sqrtRatioCurrentX96, liquidity, false);\n } else {\n amountIn = max && exactIn\n ? amountIn\n : SqrtPriceMath.getAmount1Delta(sqrtRatioCurrentX96, sqrtRatioNextX96, liquidity, true);\n amountOut = max && !exactIn\n ? amountOut\n : SqrtPriceMath.getAmount0Delta(sqrtRatioCurrentX96, sqrtRatioNextX96, liquidity, false);\n }\n\n // cap the output amount to not exceed the remaining output amount\n if (!exactIn && amountOut > uint256(-amountRemaining)) {\n amountOut = uint256(-amountRemaining);\n }\n\n if (exactIn && sqrtRatioNextX96 != sqrtRatioTargetX96) {\n // we didn't reach the target, so take the remainder of the maximum input as fee\n feeAmount = uint256(amountRemaining) - amountIn;\n } else {\n feeAmount = FullMath.mulDivRoundingUp(amountIn, feePips, 1e6 - feePips);\n }\n }\n}\n"
},
"contracts/interfaces/IUniswapV3PoolDeployer.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title An interface for a contract that is capable of deploying Uniswap V3 Pools\n/// @notice A contract that constructs a pool must implement this to pass arguments to the pool\n/// @dev This is used to avoid having constructor arguments in the pool contract, which results in the init code hash\n/// of the pool being constant allowing the CREATE2 address of the pool to be cheaply computed on-chain\ninterface IUniswapV3PoolDeployer {\n /// @notice Get the parameters to be used in constructing the pool, set transiently during pool creation.\n /// @dev Called by the pool constructor to fetch the parameters of the pool\n /// Returns factory The factory address\n /// Returns token0 The first token of the pool by address sort order\n /// Returns token1 The second token of the pool by address sort order\n /// Returns fee The fee collected upon every swap in the pool, denominated in hundredths of a bip\n /// Returns tickSpacing The minimum number of ticks between initialized ticks\n function parameters()\n external\n view\n returns (\n address factory,\n address token0,\n address token1,\n uint24 fee,\n int24 tickSpacing\n );\n}\n"
},
"contracts/interfaces/IUniswapV3Factory.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title The interface for the Uniswap V3 Factory\n/// @notice The Uniswap V3 Factory facilitates creation of Uniswap V3 pools and control over the protocol fees\ninterface IUniswapV3Factory {\n /// @notice Emitted when the owner of the factory is changed\n /// @param oldOwner The owner before the owner was changed\n /// @param newOwner The owner after the owner was changed\n event OwnerChanged(address indexed oldOwner, address indexed newOwner);\n\n /// @notice Emitted when a pool is created\n /// @param token0 The first token of the pool by address sort order\n /// @param token1 The second token of the pool by address sort order\n /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip\n /// @param tickSpacing The minimum number of ticks between initialized ticks\n /// @param pool The address of the created pool\n event PoolCreated(\n address indexed token0,\n address indexed token1,\n uint24 indexed fee,\n int24 tickSpacing,\n address pool\n );\n\n /// @notice Emitted when a new fee amount is enabled for pool creation via the factory\n /// @param fee The enabled fee, denominated in hundredths of a bip\n /// @param tickSpacing The minimum number of ticks between initialized ticks for pools created with the given fee\n event FeeAmountEnabled(uint24 indexed fee, int24 indexed tickSpacing);\n\n /// @notice Returns the current owner of the factory\n /// @dev Can be changed by the current owner via setOwner\n /// @return The address of the factory owner\n function owner() external view returns (address);\n\n /// @notice Returns the tick spacing for a given fee amount, if enabled, or 0 if not enabled\n /// @dev A fee amount can never be removed, so this value should be hard coded or cached in the calling context\n /// @param fee The enabled fee, denominated in hundredths of a bip. Returns 0 in case of unenabled fee\n /// @return The tick spacing\n function feeAmountTickSpacing(uint24 fee) external view returns (int24);\n\n /// @notice Returns the pool address for a given pair of tokens and a fee, or address 0 if it does not exist\n /// @dev tokenA and tokenB may be passed in either token0/token1 or token1/token0 order\n /// @param tokenA The contract address of either token0 or token1\n /// @param tokenB The contract address of the other token\n /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip\n /// @return pool The pool address\n function getPool(\n address tokenA,\n address tokenB,\n uint24 fee\n ) external view returns (address pool);\n\n /// @notice Creates a pool for the given two tokens and fee\n /// @param tokenA One of the two tokens in the desired pool\n /// @param tokenB The other of the two tokens in the desired pool\n /// @param fee The desired fee for the pool\n /// @dev tokenA and tokenB may be passed in either order: token0/token1 or token1/token0. tickSpacing is retrieved\n /// from the fee. The call will revert if the pool already exists, the fee is invalid, or the token arguments\n /// are invalid.\n /// @return pool The address of the newly created pool\n function createPool(\n address tokenA,\n address tokenB,\n uint24 fee\n ) external returns (address pool);\n\n /// @notice Updates the owner of the factory\n /// @dev Must be called by the current owner\n /// @param _owner The new owner of the factory\n function setOwner(address _owner) external;\n\n /// @notice Enables a fee amount with the given tickSpacing\n /// @dev Fee amounts may never be removed once enabled\n /// @param fee The fee amount to enable, denominated in hundredths of a bip (i.e. 1e-6)\n /// @param tickSpacing The spacing between ticks to be enforced for all pools created with the given fee amount\n function enableFeeAmount(uint24 fee, int24 tickSpacing) external;\n}\n"
},
"contracts/interfaces/IERC20Minimal.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Minimal ERC20 interface for Uniswap\n/// @notice Contains a subset of the full ERC20 interface that is used in Uniswap V3\ninterface IERC20Minimal {\n /// @notice Returns the balance of a token\n /// @param account The account for which to look up the number of tokens it has, i.e. its balance\n /// @return The number of tokens held by the account\n function balanceOf(address account) external view returns (uint256);\n\n /// @notice Transfers the amount of token from the `msg.sender` to the recipient\n /// @param recipient The account that will receive the amount transferred\n /// @param amount The number of tokens to send from the sender to the recipient\n /// @return Returns true for a successful transfer, false for an unsuccessful transfer\n function transfer(address recipient, uint256 amount) external returns (bool);\n\n /// @notice Returns the current allowance given to a spender by an owner\n /// @param owner The account of the token owner\n /// @param spender The account of the token spender\n /// @return The current allowance granted by `owner` to `spender`\n function allowance(address owner, address spender) external view returns (uint256);\n\n /// @notice Sets the allowance of a spender from the `msg.sender` to the value `amount`\n /// @param spender The account which will be allowed to spend a given amount of the owners tokens\n /// @param amount The amount of tokens allowed to be used by `spender`\n /// @return Returns true for a successful approval, false for unsuccessful\n function approve(address spender, uint256 amount) external returns (bool);\n\n /// @notice Transfers `amount` tokens from `sender` to `recipient` up to the allowance given to the `msg.sender`\n /// @param sender The account from which the transfer will be initiated\n /// @param recipient The recipient of the transfer\n /// @param amount The amount of the transfer\n /// @return Returns true for a successful transfer, false for unsuccessful\n function transferFrom(\n address sender,\n address recipient,\n uint256 amount\n ) external returns (bool);\n\n /// @notice Event emitted when tokens are transferred from one address to another, either via `#transfer` or `#transferFrom`.\n /// @param from The account from which the tokens were sent, i.e. the balance decreased\n /// @param to The account to which the tokens were sent, i.e. the balance increased\n /// @param value The amount of tokens that were transferred\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /// @notice Event emitted when the approval amount for the spender of a given owner's tokens changes.\n /// @param owner The account that approved spending of its tokens\n /// @param spender The account for which the spending allowance was modified\n /// @param value The new allowance from the owner to the spender\n event Approval(address indexed owner, address indexed spender, uint256 value);\n}\n"
},
"contracts/interfaces/callback/IUniswapV3MintCallback.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Callback for IUniswapV3PoolActions#mint\n/// @notice Any contract that calls IUniswapV3PoolActions#mint must implement this interface\ninterface IUniswapV3MintCallback {\n /// @notice Called to `msg.sender` after minting liquidity to a position from IUniswapV3Pool#mint.\n /// @dev In the implementation you must pay the pool tokens owed for the minted liquidity.\n /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory.\n /// @param amount0Owed The amount of token0 due to the pool for the minted liquidity\n /// @param amount1Owed The amount of token1 due to the pool for the minted liquidity\n /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#mint call\n function uniswapV3MintCallback(\n uint256 amount0Owed,\n uint256 amount1Owed,\n bytes calldata data\n ) external;\n}\n"
},
"contracts/interfaces/callback/IUniswapV3SwapCallback.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Callback for IUniswapV3PoolActions#swap\n/// @notice Any contract that calls IUniswapV3PoolActions#swap must implement this interface\ninterface IUniswapV3SwapCallback {\n /// @notice Called to `msg.sender` after executing a swap via IUniswapV3Pool#swap.\n /// @dev In the implementation you must pay the pool tokens owed for the swap.\n /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory.\n /// amount0Delta and amount1Delta can both be 0 if no tokens were swapped.\n /// @param amount0Delta The amount of token0 that was sent (negative) or must be received (positive) by the pool by\n /// the end of the swap. If positive, the callback must send that amount of token0 to the pool.\n /// @param amount1Delta The amount of token1 that was sent (negative) or must be received (positive) by the pool by\n /// the end of the swap. If positive, the callback must send that amount of token1 to the pool.\n /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#swap call\n function uniswapV3SwapCallback(\n int256 amount0Delta,\n int256 amount1Delta,\n bytes calldata data\n ) external;\n}\n"
},
"contracts/interfaces/callback/IUniswapV3FlashCallback.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Callback for IUniswapV3PoolActions#flash\n/// @notice Any contract that calls IUniswapV3PoolActions#flash must implement this interface\ninterface IUniswapV3FlashCallback {\n /// @notice Called to `msg.sender` after transferring to the recipient from IUniswapV3Pool#flash.\n /// @dev In the implementation you must repay the pool the tokens sent by flash plus the computed fee amounts.\n /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory.\n /// @param fee0 The fee amount in token0 due to the pool by the end of the flash\n /// @param fee1 The fee amount in token1 due to the pool by the end of the flash\n /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#flash call\n function uniswapV3FlashCallback(\n uint256 fee0,\n uint256 fee1,\n bytes calldata data\n ) external;\n}\n"
},
"contracts/interfaces/pool/IUniswapV3PoolImmutables.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Pool state that never changes\n/// @notice These parameters are fixed for a pool forever, i.e., the methods will always return the same values\ninterface IUniswapV3PoolImmutables {\n /// @notice The contract that deployed the pool, which must adhere to the IUniswapV3Factory interface\n /// @return The contract address\n function factory() external view returns (address);\n\n /// @notice The first of the two tokens of the pool, sorted by address\n /// @return The token contract address\n function token0() external view returns (address);\n\n /// @notice The second of the two tokens of the pool, sorted by address\n /// @return The token contract address\n function token1() external view returns (address);\n\n /// @notice The pool's fee in hundredths of a bip, i.e. 1e-6\n /// @return The fee\n function fee() external view returns (uint24);\n\n /// @notice The pool tick spacing\n /// @dev Ticks can only be used at multiples of this value, minimum of 1 and always positive\n /// e.g.: a tickSpacing of 3 means ticks can be initialized every 3rd tick, i.e., ..., -6, -3, 0, 3, 6, ...\n /// This value is an int24 to avoid casting even though it is always positive.\n /// @return The tick spacing\n function tickSpacing() external view returns (int24);\n\n /// @notice The maximum amount of position liquidity that can use any tick in the range\n /// @dev This parameter is enforced per tick to prevent liquidity from overflowing a uint128 at any point, and\n /// also prevents out-of-range liquidity from being used to prevent adding in-range liquidity to a pool\n /// @return The max amount of liquidity per tick\n function maxLiquidityPerTick() external view returns (uint128);\n}\n"
},
"contracts/interfaces/pool/IUniswapV3PoolState.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Pool state that can change\n/// @notice These methods compose the pool's state, and can change with any frequency including multiple times\n/// per transaction\ninterface IUniswapV3PoolState {\n /// @notice The 0th storage slot in the pool stores many values, and is exposed as a single method to save gas\n /// when accessed externally.\n /// @return sqrtPriceX96 The current price of the pool as a sqrt(token1/token0) Q64.96 value\n /// tick The current tick of the pool, i.e. according to the last tick transition that was run.\n /// This value may not always be equal to SqrtTickMath.getTickAtSqrtRatio(sqrtPriceX96) if the price is on a tick\n /// boundary.\n /// observationIndex The index of the last oracle observation that was written,\n /// observationCardinality The current maximum number of observations stored in the pool,\n /// observationCardinalityNext The next maximum number of observations, to be updated when the observation.\n /// feeProtocol The protocol fee for both tokens of the pool.\n /// Encoded as two 4 bit values, where the protocol fee of token1 is shifted 4 bits and the protocol fee of token0\n /// is the lower 4 bits. Used as the denominator of a fraction of the swap fee, e.g. 4 means 1/4th of the swap fee.\n /// unlocked Whether the pool is currently locked to reentrancy\n function slot0()\n external\n view\n returns (\n uint160 sqrtPriceX96,\n int24 tick,\n uint16 observationIndex,\n uint16 observationCardinality,\n uint16 observationCardinalityNext,\n uint8 feeProtocol,\n bool unlocked\n );\n\n /// @notice The fee growth as a Q128.128 fees of token0 collected per unit of liquidity for the entire life of the pool\n /// @dev This value can overflow the uint256\n function feeGrowthGlobal0X128() external view returns (uint256);\n\n /// @notice The fee growth as a Q128.128 fees of token1 collected per unit of liquidity for the entire life of the pool\n /// @dev This value can overflow the uint256\n function feeGrowthGlobal1X128() external view returns (uint256);\n\n /// @notice The amounts of token0 and token1 that are owed to the protocol\n /// @dev Protocol fees will never exceed uint128 max in either token\n function protocolFees() external view returns (uint128 token0, uint128 token1);\n\n /// @notice The currently in range liquidity available to the pool\n /// @dev This value has no relationship to the total liquidity across all ticks\n function liquidity() external view returns (uint128);\n\n /// @notice Look up information about a specific tick in the pool\n /// @param tick The tick to look up\n /// @return liquidityGross the total amount of position liquidity that uses the pool either as tick lower or\n /// tick upper,\n /// liquidityNet how much liquidity changes when the pool price crosses the tick,\n /// feeGrowthOutside0X128 the fee growth on the other side of the tick from the current tick in token0,\n /// feeGrowthOutside1X128 the fee growth on the other side of the tick from the current tick in token1,\n /// tickCumulativeOutside the cumulative tick value on the other side of the tick from the current tick\n /// secondsPerLiquidityOutsideX128 the seconds spent per liquidity on the other side of the tick from the current tick,\n /// secondsOutside the seconds spent on the other side of the tick from the current tick,\n /// initialized Set to true if the tick is initialized, i.e. liquidityGross is greater than 0, otherwise equal to false.\n /// Outside values can only be used if the tick is initialized, i.e. if liquidityGross is greater than 0.\n /// In addition, these values are only relative and must be used only in comparison to previous snapshots for\n /// a specific position.\n function ticks(int24 tick)\n external\n view\n returns (\n uint128 liquidityGross,\n int128 liquidityNet,\n uint256 feeGrowthOutside0X128,\n uint256 feeGrowthOutside1X128,\n int56 tickCumulativeOutside,\n uint160 secondsPerLiquidityOutsideX128,\n uint32 secondsOutside,\n bool initialized\n );\n\n /// @notice Returns 256 packed tick initialized boolean values. See TickBitmap for more information\n function tickBitmap(int16 wordPosition) external view returns (uint256);\n\n /// @notice Returns the information about a position by the position's key\n /// @param key The position's key is a hash of a preimage composed by the owner, tickLower and tickUpper\n /// @return _liquidity The amount of liquidity in the position,\n /// Returns feeGrowthInside0LastX128 fee growth of token0 inside the tick range as of the last mint/burn/poke,\n /// Returns feeGrowthInside1LastX128 fee growth of token1 inside the tick range as of the last mint/burn/poke,\n /// Returns tokensOwed0 the computed amount of token0 owed to the position as of the last mint/burn/poke,\n /// Returns tokensOwed1 the computed amount of token1 owed to the position as of the last mint/burn/poke\n function positions(bytes32 key)\n external\n view\n returns (\n uint128 _liquidity,\n uint256 feeGrowthInside0LastX128,\n uint256 feeGrowthInside1LastX128,\n uint128 tokensOwed0,\n uint128 tokensOwed1\n );\n\n /// @notice Returns data about a specific observation index\n /// @param index The element of the observations array to fetch\n /// @dev You most likely want to use #observe() instead of this method to get an observation as of some amount of time\n /// ago, rather than at a specific index in the array.\n /// @return blockTimestamp The timestamp of the observation,\n /// Returns tickCumulative the tick multiplied by seconds elapsed for the life of the pool as of the observation timestamp,\n /// Returns secondsPerLiquidityCumulativeX128 the seconds per in range liquidity for the life of the pool as of the observation timestamp,\n /// Returns initialized whether the observation has been initialized and the values are safe to use\n function observations(uint256 index)\n external\n view\n returns (\n uint32 blockTimestamp,\n int56 tickCumulative,\n uint160 secondsPerLiquidityCumulativeX128,\n bool initialized\n );\n}\n"
},
"contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Pool state that is not stored\n/// @notice Contains view functions to provide information about the pool that is computed rather than stored on the\n/// blockchain. The functions here may have variable gas costs.\ninterface IUniswapV3PoolDerivedState {\n /// @notice Returns the cumulative tick and liquidity as of each timestamp `secondsAgo` from the current block timestamp\n /// @dev To get a time weighted average tick or liquidity-in-range, you must call this with two values, one representing\n /// the beginning of the period and another for the end of the period. E.g., to get the last hour time-weighted average tick,\n /// you must call it with secondsAgos = [3600, 0].\n /// @dev The time weighted average tick represents the geometric time weighted average price of the pool, in\n /// log base sqrt(1.0001) of token1 / token0. The TickMath library can be used to go from a tick value to a ratio.\n /// @param secondsAgos From how long ago each cumulative tick and liquidity value should be returned\n /// @return tickCumulatives Cumulative tick values as of each `secondsAgos` from the current block timestamp\n /// @return secondsPerLiquidityCumulativeX128s Cumulative seconds per liquidity-in-range value as of each `secondsAgos` from the current block\n /// timestamp\n function observe(uint32[] calldata secondsAgos)\n external\n view\n returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s);\n\n /// @notice Returns a snapshot of the tick cumulative, seconds per liquidity and seconds inside a tick range\n /// @dev Snapshots must only be compared to other snapshots, taken over a period for which a position existed.\n /// I.e., snapshots cannot be compared if a position is not held for the entire period between when the first\n /// snapshot is taken and the second snapshot is taken.\n /// @param tickLower The lower tick of the range\n /// @param tickUpper The upper tick of the range\n /// @return tickCumulativeInside The snapshot of the tick accumulator for the range\n /// @return secondsPerLiquidityInsideX128 The snapshot of seconds per liquidity for the range\n /// @return secondsInside The snapshot of seconds per liquidity for the range\n function snapshotCumulativesInside(int24 tickLower, int24 tickUpper)\n external\n view\n returns (\n int56 tickCumulativeInside,\n uint160 secondsPerLiquidityInsideX128,\n uint32 secondsInside\n );\n}\n"
},
"contracts/interfaces/pool/IUniswapV3PoolActions.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Permissionless pool actions\n/// @notice Contains pool methods that can be called by anyone\ninterface IUniswapV3PoolActions {\n /// @notice Sets the initial price for the pool\n /// @dev Price is represented as a sqrt(amountToken1/amountToken0) Q64.96 value\n /// @param sqrtPriceX96 the initial sqrt price of the pool as a Q64.96\n function initialize(uint160 sqrtPriceX96) external;\n\n /// @notice Adds liquidity for the given recipient/tickLower/tickUpper position\n /// @dev The caller of this method receives a callback in the form of IUniswapV3MintCallback#uniswapV3MintCallback\n /// in which they must pay any token0 or token1 owed for the liquidity. The amount of token0/token1 due depends\n /// on tickLower, tickUpper, the amount of liquidity, and the current price.\n /// @param recipient The address for which the liquidity will be created\n /// @param tickLower The lower tick of the position in which to add liquidity\n /// @param tickUpper The upper tick of the position in which to add liquidity\n /// @param amount The amount of liquidity to mint\n /// @param data Any data that should be passed through to the callback\n /// @return amount0 The amount of token0 that was paid to mint the given amount of liquidity. Matches the value in the callback\n /// @return amount1 The amount of token1 that was paid to mint the given amount of liquidity. Matches the value in the callback\n function mint(\n address recipient,\n int24 tickLower,\n int24 tickUpper,\n uint128 amount,\n bytes calldata data\n ) external returns (uint256 amount0, uint256 amount1);\n\n /// @notice Collects tokens owed to a position\n /// @dev Does not recompute fees earned, which must be done either via mint or burn of any amount of liquidity.\n /// Collect must be called by the position owner. To withdraw only token0 or only token1, amount0Requested or\n /// amount1Requested may be set to zero. To withdraw all tokens owed, caller may pass any value greater than the\n /// actual tokens owed, e.g. type(uint128).max. Tokens owed may be from accumulated swap fees or burned liquidity.\n /// @param recipient The address which should receive the fees collected\n /// @param tickLower The lower tick of the position for which to collect fees\n /// @param tickUpper The upper tick of the position for which to collect fees\n /// @param amount0Requested How much token0 should be withdrawn from the fees owed\n /// @param amount1Requested How much token1 should be withdrawn from the fees owed\n /// @return amount0 The amount of fees collected in token0\n /// @return amount1 The amount of fees collected in token1\n function collect(\n address recipient,\n int24 tickLower,\n int24 tickUpper,\n uint128 amount0Requested,\n uint128 amount1Requested\n ) external returns (uint128 amount0, uint128 amount1);\n\n /// @notice Burn liquidity from the sender and account tokens owed for the liquidity to the position\n /// @dev Can be used to trigger a recalculation of fees owed to a position by calling with an amount of 0\n /// @dev Fees must be collected separately via a call to #collect\n /// @param tickLower The lower tick of the position for which to burn liquidity\n /// @param tickUpper The upper tick of the position for which to burn liquidity\n /// @param amount How much liquidity to burn\n /// @return amount0 The amount of token0 sent to the recipient\n /// @return amount1 The amount of token1 sent to the recipient\n function burn(\n int24 tickLower,\n int24 tickUpper,\n uint128 amount\n ) external returns (uint256 amount0, uint256 amount1);\n\n /// @notice Swap token0 for token1, or token1 for token0\n /// @dev The caller of this method receives a callback in the form of IUniswapV3SwapCallback#uniswapV3SwapCallback\n /// @param recipient The address to receive the output of the swap\n /// @param zeroForOne The direction of the swap, true for token0 to token1, false for token1 to token0\n /// @param amountSpecified The amount of the swap, which implicitly configures the swap as exact input (positive), or exact output (negative)\n /// @param sqrtPriceLimitX96 The Q64.96 sqrt price limit. If zero for one, the price cannot be less than this\n /// value after the swap. If one for zero, the price cannot be greater than this value after the swap\n /// @param data Any data to be passed through to the callback\n /// @return amount0 The delta of the balance of token0 of the pool, exact when negative, minimum when positive\n /// @return amount1 The delta of the balance of token1 of the pool, exact when negative, minimum when positive\n function swap(\n address recipient,\n bool zeroForOne,\n int256 amountSpecified,\n uint160 sqrtPriceLimitX96,\n bytes calldata data\n ) external returns (int256 amount0, int256 amount1);\n\n /// @notice Receive token0 and/or token1 and pay it back, plus a fee, in the callback\n /// @dev The caller of this method receives a callback in the form of IUniswapV3FlashCallback#uniswapV3FlashCallback\n /// @dev Can be used to donate underlying tokens pro-rata to currently in-range liquidity providers by calling\n /// with 0 amount{0,1} and sending the donation amount(s) from the callback\n /// @param recipient The address which will receive the token0 and token1 amounts\n /// @param amount0 The amount of token0 to send\n /// @param amount1 The amount of token1 to send\n /// @param data Any data to be passed through to the callback\n function flash(\n address recipient,\n uint256 amount0,\n uint256 amount1,\n bytes calldata data\n ) external;\n\n /// @notice Increase the maximum number of price and liquidity observations that this pool will store\n /// @dev This method is no-op if the pool already has an observationCardinalityNext greater than or equal to\n /// the input observationCardinalityNext.\n /// @param observationCardinalityNext The desired minimum number of observations for the pool to store\n function increaseObservationCardinalityNext(uint16 observationCardinalityNext) external;\n}\n"
},
"contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Permissioned pool actions\n/// @notice Contains pool methods that may only be called by the factory owner\ninterface IUniswapV3PoolOwnerActions {\n /// @notice Set the denominator of the protocol's % share of the fees\n /// @param feeProtocol0 new protocol fee for token0 of the pool\n /// @param feeProtocol1 new protocol fee for token1 of the pool\n function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external;\n\n /// @notice Collect the protocol fee accrued to the pool\n /// @param recipient The address to which collected protocol fees should be sent\n /// @param amount0Requested The maximum amount of token0 to send, can be 0 to collect fees in only token1\n /// @param amount1Requested The maximum amount of token1 to send, can be 0 to collect fees in only token0\n /// @return amount0 The protocol fee collected in token0\n /// @return amount1 The protocol fee collected in token1\n function collectProtocol(\n address recipient,\n uint128 amount0Requested,\n uint128 amount1Requested\n ) external returns (uint128 amount0, uint128 amount1);\n}\n"
},
"contracts/interfaces/pool/IUniswapV3PoolEvents.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Events emitted by a pool\n/// @notice Contains all events emitted by the pool\ninterface IUniswapV3PoolEvents {\n /// @notice Emitted exactly once by a pool when #initialize is first called on the pool\n /// @dev Mint/Burn/Swap cannot be emitted by the pool before Initialize\n /// @param sqrtPriceX96 The initial sqrt price of the pool, as a Q64.96\n /// @param tick The initial tick of the pool, i.e. log base 1.0001 of the starting price of the pool\n event Initialize(uint160 sqrtPriceX96, int24 tick);\n\n /// @notice Emitted when liquidity is minted for a given position\n /// @param sender The address that minted the liquidity\n /// @param owner The owner of the position and recipient of any minted liquidity\n /// @param tickLower The lower tick of the position\n /// @param tickUpper The upper tick of the position\n /// @param amount The amount of liquidity minted to the position range\n /// @param amount0 How much token0 was required for the minted liquidity\n /// @param amount1 How much token1 was required for the minted liquidity\n event Mint(\n address sender,\n address indexed owner,\n int24 indexed tickLower,\n int24 indexed tickUpper,\n uint128 amount,\n uint256 amount0,\n uint256 amount1\n );\n\n /// @notice Emitted when fees are collected by the owner of a position\n /// @dev Collect events may be emitted with zero amount0 and amount1 when the caller chooses not to collect fees\n /// @param owner The owner of the position for which fees are collected\n /// @param tickLower The lower tick of the position\n /// @param tickUpper The upper tick of the position\n /// @param amount0 The amount of token0 fees collected\n /// @param amount1 The amount of token1 fees collected\n event Collect(\n address indexed owner,\n address recipient,\n int24 indexed tickLower,\n int24 indexed tickUpper,\n uint128 amount0,\n uint128 amount1\n );\n\n /// @notice Emitted when a position's liquidity is removed\n /// @dev Does not withdraw any fees earned by the liquidity position, which must be withdrawn via #collect\n /// @param owner The owner of the position for which liquidity is removed\n /// @param tickLower The lower tick of the position\n /// @param tickUpper The upper tick of the position\n /// @param amount The amount of liquidity to remove\n /// @param amount0 The amount of token0 withdrawn\n /// @param amount1 The amount of token1 withdrawn\n event Burn(\n address indexed owner,\n int24 indexed tickLower,\n int24 indexed tickUpper,\n uint128 amount,\n uint256 amount0,\n uint256 amount1\n );\n\n /// @notice Emitted by the pool for any swaps between token0 and token1\n /// @param sender The address that initiated the swap call, and that received the callback\n /// @param recipient The address that received the output of the swap\n /// @param amount0 The delta of the token0 balance of the pool\n /// @param amount1 The delta of the token1 balance of the pool\n /// @param sqrtPriceX96 The sqrt(price) of the pool after the swap, as a Q64.96\n /// @param liquidity The liquidity of the pool after the swap\n /// @param tick The log base 1.0001 of price of the pool after the swap\n event Swap(\n address indexed sender,\n address indexed recipient,\n int256 amount0,\n int256 amount1,\n uint160 sqrtPriceX96,\n uint128 liquidity,\n int24 tick\n );\n\n /// @notice Emitted by the pool for any flashes of token0/token1\n /// @param sender The address that initiated the swap call, and that received the callback\n /// @param recipient The address that received the tokens from flash\n /// @param amount0 The amount of token0 that was flashed\n /// @param amount1 The amount of token1 that was flashed\n /// @param paid0 The amount of token0 paid for the flash, which can exceed the amount0 plus the fee\n /// @param paid1 The amount of token1 paid for the flash, which can exceed the amount1 plus the fee\n event Flash(\n address indexed sender,\n address indexed recipient,\n uint256 amount0,\n uint256 amount1,\n uint256 paid0,\n uint256 paid1\n );\n\n /// @notice Emitted by the pool for increases to the number of observations that can be stored\n /// @dev observationCardinalityNext is not the observation cardinality until an observation is written at the index\n /// just before a mint/swap/burn.\n /// @param observationCardinalityNextOld The previous value of the next observation cardinality\n /// @param observationCardinalityNextNew The updated value of the next observation cardinality\n event IncreaseObservationCardinalityNext(\n uint16 observationCardinalityNextOld,\n uint16 observationCardinalityNextNew\n );\n\n /// @notice Emitted when the protocol fee is changed by the pool\n /// @param feeProtocol0Old The previous value of the token0 protocol fee\n /// @param feeProtocol1Old The previous value of the token1 protocol fee\n /// @param feeProtocol0New The updated value of the token0 protocol fee\n /// @param feeProtocol1New The updated value of the token1 protocol fee\n event SetFeeProtocol(uint8 feeProtocol0Old, uint8 feeProtocol1Old, uint8 feeProtocol0New, uint8 feeProtocol1New);\n\n /// @notice Emitted when the collected protocol fees are withdrawn by the factory owner\n /// @param sender The address that collects the protocol fees\n /// @param recipient The address that receives the collected protocol fees\n /// @param amount0 The amount of token0 protocol fees that is withdrawn\n /// @param amount0 The amount of token1 protocol fees that is withdrawn\n event CollectProtocol(address indexed sender, address indexed recipient, uint128 amount0, uint128 amount1);\n}\n"
},
"contracts/libraries/BitMath.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title BitMath\n/// @dev This library provides functionality for computing bit properties of an unsigned integer\nlibrary BitMath {\n /// @notice Returns the index of the most significant bit of the number,\n /// where the least significant bit is at index 0 and the most significant bit is at index 255\n /// @dev The function satisfies the property:\n /// x >= 2**mostSignificantBit(x) and x < 2**(mostSignificantBit(x)+1)\n /// @param x the value for which to compute the most significant bit, must be greater than 0\n /// @return r the index of the most significant bit\n function mostSignificantBit(uint256 x) internal pure returns (uint8 r) {\n require(x > 0);\n\n if (x >= 0x100000000000000000000000000000000) {\n x >>= 128;\n r += 128;\n }\n if (x >= 0x10000000000000000) {\n x >>= 64;\n r += 64;\n }\n if (x >= 0x100000000) {\n x >>= 32;\n r += 32;\n }\n if (x >= 0x10000) {\n x >>= 16;\n r += 16;\n }\n if (x >= 0x100) {\n x >>= 8;\n r += 8;\n }\n if (x >= 0x10) {\n x >>= 4;\n r += 4;\n }\n if (x >= 0x4) {\n x >>= 2;\n r += 2;\n }\n if (x >= 0x2) r += 1;\n }\n\n /// @notice Returns the index of the least significant bit of the number,\n /// where the least significant bit is at index 0 and the most significant bit is at index 255\n /// @dev The function satisfies the property:\n /// (x & 2**leastSignificantBit(x)) != 0 and (x & (2**(leastSignificantBit(x)) - 1)) == 0)\n /// @param x the value for which to compute the least significant bit, must be greater than 0\n /// @return r the index of the least significant bit\n function leastSignificantBit(uint256 x) internal pure returns (uint8 r) {\n require(x > 0);\n\n r = 255;\n if (x & type(uint128).max > 0) {\n r -= 128;\n } else {\n x >>= 128;\n }\n if (x & type(uint64).max > 0) {\n r -= 64;\n } else {\n x >>= 64;\n }\n if (x & type(uint32).max > 0) {\n r -= 32;\n } else {\n x >>= 32;\n }\n if (x & type(uint16).max > 0) {\n r -= 16;\n } else {\n x >>= 16;\n }\n if (x & type(uint8).max > 0) {\n r -= 8;\n } else {\n x >>= 8;\n }\n if (x & 0xf > 0) {\n r -= 4;\n } else {\n x >>= 4;\n }\n if (x & 0x3 > 0) {\n r -= 2;\n } else {\n x >>= 2;\n }\n if (x & 0x1 > 0) r -= 1;\n }\n}\n"
},
"contracts/libraries/UnsafeMath.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.5.0;\n\n/// @title Math functions that do not check inputs or outputs\n/// @notice Contains methods that perform common math functions but do not do any overflow or underflow checks\nlibrary UnsafeMath {\n /// @notice Returns ceil(x / y)\n /// @dev division by 0 has unspecified behavior, and must be checked externally\n /// @param x The dividend\n /// @param y The divisor\n /// @return z The quotient, ceil(x / y)\n function divRoundingUp(uint256 x, uint256 y) internal pure returns (uint256 z) {\n assembly {\n z := add(div(x, y), gt(mod(x, y), 0))\n }\n }\n}\n"
},
"contracts/libraries/FixedPoint96.sol": {
"content": "// SPDX-License-Identifier: GPL-2.0-or-later\npragma solidity >=0.4.0;\n\n/// @title FixedPoint96\n/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format)\n/// @dev Used in SqrtPriceMath.sol\nlibrary FixedPoint96 {\n uint8 internal constant RESOLUTION = 96;\n uint256 internal constant Q96 = 0x1000000000000000000000000;\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 800
},
"metadata": {
"bytecodeHash": "none"
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"abi"
]
}
},
"libraries": {}
}
}}
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608060405273ffffffffffffffffffffffffffffffffffffffff600054167fa619486e0000000000000000000000000000000000000000000000000000000060003514156050578060005260206000f35b3660008037600080366000845af43d6000803e60008114156070573d6000fd5b3d6000f3fea2646970667358221220d1429297349653a4918076d650332de1a1068c5f3e07c5c82360c277770b955264736f6c63430007060033
|
// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity >=0.7.0 <0.9.0;
/// @title IProxy - Helper interface to access masterCopy of the Proxy on-chain
/// @author Richard Meissner - <richard@gnosis.io>
interface IProxy {
function masterCopy() external view returns (address);
}
/// @title GnosisSafeProxy - Generic proxy contract allows to execute all transactions applying the code of a master contract.
/// @author Stefan George - <stefan@gnosis.io>
/// @author Richard Meissner - <richard@gnosis.io>
contract GnosisSafeProxy {
// singleton always needs to be first declared variable, to ensure that it is at the same location in the contracts to which calls are delegated.
// To reduce deployment costs this variable is internal and needs to be retrieved via `getStorageAt`
address internal singleton;
/// @dev Constructor function sets address of singleton contract.
/// @param _singleton Singleton address.
constructor(address _singleton) {
require(_singleton != address(0), "Invalid singleton address provided");
singleton = _singleton;
}
/// @dev Fallback function forwards all transactions and returns all received return data.
fallback() external payable {
// solhint-disable-next-line no-inline-assembly
assembly {
let _singleton := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff)
// 0xa619486e == keccak("masterCopy()"). The value is right padded to 32-bytes with 0s
if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) {
mstore(0, _singleton)
return(0, 0x20)
}
calldatacopy(0, 0, calldatasize())
let success := delegatecall(gas(), _singleton, 0, calldatasize(), 0, 0)
returndatacopy(0, 0, returndatasize())
if eq(success, 0) {
revert(0, returndatasize())
}
return(0, returndatasize())
}
}
}
/// @title Proxy Factory - Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
/// @author Stefan George - <stefan@gnosis.pm>
contract GnosisSafeProxyFactory {
event ProxyCreation(GnosisSafeProxy proxy, address singleton);
/// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
/// @param singleton Address of singleton contract.
/// @param data Payload for message call sent to new proxy contract.
function createProxy(address singleton, bytes memory data) public returns (GnosisSafeProxy proxy) {
proxy = new GnosisSafeProxy(singleton);
if (data.length > 0)
// solhint-disable-next-line no-inline-assembly
assembly {
if eq(call(gas(), proxy, 0, add(data, 0x20), mload(data), 0, 0), 0) {
revert(0, 0)
}
}
emit ProxyCreation(proxy, singleton);
}
/// @dev Allows to retrieve the runtime code of a deployed Proxy. This can be used to check that the expected Proxy was deployed.
function proxyRuntimeCode() public pure returns (bytes memory) {
return type(GnosisSafeProxy).runtimeCode;
}
/// @dev Allows to retrieve the creation code used for the Proxy deployment. With this it is easily possible to calculate predicted address.
function proxyCreationCode() public pure returns (bytes memory) {
return type(GnosisSafeProxy).creationCode;
}
/// @dev Allows to create new proxy contact using CREATE2 but it doesn't run the initializer.
/// This method is only meant as an utility to be called from other methods
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
function deployProxyWithNonce(
address _singleton,
bytes memory initializer,
uint256 saltNonce
) internal returns (GnosisSafeProxy proxy) {
// If the initializer changes the proxy address should change too. Hashing the initializer data is cheaper than just concatinating it
bytes32 salt = keccak256(abi.encodePacked(keccak256(initializer), saltNonce));
bytes memory deploymentData = abi.encodePacked(type(GnosisSafeProxy).creationCode, uint256(uint160(_singleton)));
// solhint-disable-next-line no-inline-assembly
assembly {
proxy := create2(0x0, add(0x20, deploymentData), mload(deploymentData), salt)
}
require(address(proxy) != address(0), "Create2 call failed");
}
/// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
function createProxyWithNonce(
address _singleton,
bytes memory initializer,
uint256 saltNonce
) public returns (GnosisSafeProxy proxy) {
proxy = deployProxyWithNonce(_singleton, initializer, saltNonce);
if (initializer.length > 0)
// solhint-disable-next-line no-inline-assembly
assembly {
if eq(call(gas(), proxy, 0, add(initializer, 0x20), mload(initializer), 0, 0), 0) {
revert(0, 0)
}
}
emit ProxyCreation(proxy, _singleton);
}
/// @dev Allows to create new proxy contact, execute a message call to the new proxy and call a specified callback within one transaction
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
/// @param callback Callback that will be invoced after the new proxy contract has been successfully deployed and initialized.
function createProxyWithCallback(
address _singleton,
bytes memory initializer,
uint256 saltNonce,
IProxyCreationCallback callback
) public returns (GnosisSafeProxy proxy) {
uint256 saltNonceWithCallback = uint256(keccak256(abi.encodePacked(saltNonce, callback)));
proxy = createProxyWithNonce(_singleton, initializer, saltNonceWithCallback);
if (address(callback) != address(0)) callback.proxyCreated(proxy, _singleton, initializer, saltNonce);
}
/// @dev Allows to get the address for a new proxy contact created via `createProxyWithNonce`
/// This method is only meant for address calculation purpose when you use an initializer that would revert,
/// therefore the response is returned with a revert. When calling this method set `from` to the address of the proxy factory.
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
function calculateCreateProxyWithNonceAddress(
address _singleton,
bytes calldata initializer,
uint256 saltNonce
) external returns (GnosisSafeProxy proxy) {
proxy = deployProxyWithNonce(_singleton, initializer, saltNonce);
revert(string(abi.encodePacked(proxy)));
}
}
interface IProxyCreationCallback {
function proxyCreated(
GnosisSafeProxy proxy,
address _singleton,
bytes calldata initializer,
uint256 saltNonce
) external;
}
|
1 | 19,498,437 |
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|
82f8b9d0d10615a29c92830478f05ead92bf5c8a6b523d18872e18f2372cc3ba
|
05f9f32ef9284654157ca900bd2a174691fb99a0
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
436962a93b389c0656b0316dcc1a36dee4f26c79
|
3d602d80600a3d3981f3363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
1 | 19,498,440 |
a33f110e674756dc1db56f7b369a78f7c4288a19328cf5873383cfe3985930d3
|
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|
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|
c4e562b28e227429f22d02cda9d4abd912039acf
|
418916e8f72fd28bd36ab0b69aa06b7f999ff094
|
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{{
"language": "Solidity",
"sources": {
"src/moneymarkets/ImmutableBeaconProxy.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity 0.8.20;\n\nimport \"@openzeppelin/contracts/proxy/beacon/UpgradeableBeacon.sol\";\nimport \"@openzeppelin/contracts/proxy/Proxy.sol\";\n\ncontract ImmutableBeaconProxy is Proxy {\n\n UpgradeableBeacon public immutable __beacon;\n\n constructor(UpgradeableBeacon beacon) {\n __beacon = beacon;\n }\n\n function _implementation() internal view override returns (address) {\n return __beacon.implementation();\n }\n\n}\n"
},
"lib/openzeppelin-contracts/contracts/proxy/beacon/UpgradeableBeacon.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/beacon/UpgradeableBeacon.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IBeacon.sol\";\nimport \"../../access/Ownable.sol\";\nimport \"../../utils/Address.sol\";\n\n/**\n * @dev This contract is used in conjunction with one or more instances of {BeaconProxy} to determine their\n * implementation contract, which is where they will delegate all function calls.\n *\n * An owner is able to change the implementation the beacon points to, thus upgrading the proxies that use this beacon.\n */\ncontract UpgradeableBeacon is IBeacon, Ownable {\n address private _implementation;\n\n /**\n * @dev Emitted when the implementation returned by the beacon is changed.\n */\n event Upgraded(address indexed implementation);\n\n /**\n * @dev Sets the address of the initial implementation, and the deployer account as the owner who can upgrade the\n * beacon.\n */\n constructor(address implementation_) {\n _setImplementation(implementation_);\n }\n\n /**\n * @dev Returns the current implementation address.\n */\n function implementation() public view virtual override returns (address) {\n return _implementation;\n }\n\n /**\n * @dev Upgrades the beacon to a new implementation.\n *\n * Emits an {Upgraded} event.\n *\n * Requirements:\n *\n * - msg.sender must be the owner of the contract.\n * - `newImplementation` must be a contract.\n */\n function upgradeTo(address newImplementation) public virtual onlyOwner {\n _setImplementation(newImplementation);\n emit Upgraded(newImplementation);\n }\n\n /**\n * @dev Sets the implementation contract address for this beacon\n *\n * Requirements:\n *\n * - `newImplementation` must be a contract.\n */\n function _setImplementation(address newImplementation) private {\n require(Address.isContract(newImplementation), \"UpgradeableBeacon: implementation is not a contract\");\n _implementation = newImplementation;\n }\n}\n"
},
"lib/openzeppelin-contracts/contracts/proxy/Proxy.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM\n * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to\n * be specified by overriding the virtual {_implementation} function.\n *\n * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a\n * different contract through the {_delegate} function.\n *\n * The success and return data of the delegated call will be returned back to the caller of the proxy.\n */\nabstract contract Proxy {\n /**\n * @dev Delegates the current call to `implementation`.\n *\n * This function does not return to its internal call site, it will return directly to the external caller.\n */\n function _delegate(address implementation) internal virtual {\n assembly {\n // Copy msg.data. We take full control of memory in this inline assembly\n // block because it will not return to Solidity code. We overwrite the\n // Solidity scratch pad at memory position 0.\n calldatacopy(0, 0, calldatasize())\n\n // Call the implementation.\n // out and outsize are 0 because we don't know the size yet.\n let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)\n\n // Copy the returned data.\n returndatacopy(0, 0, returndatasize())\n\n switch result\n // delegatecall returns 0 on error.\n case 0 {\n revert(0, returndatasize())\n }\n default {\n return(0, returndatasize())\n }\n }\n }\n\n /**\n * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function\n * and {_fallback} should delegate.\n */\n function _implementation() internal view virtual returns (address);\n\n /**\n * @dev Delegates the current call to the address returned by `_implementation()`.\n *\n * This function does not return to its internal call site, it will return directly to the external caller.\n */\n function _fallback() internal virtual {\n _beforeFallback();\n _delegate(_implementation());\n }\n\n /**\n * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other\n * function in the contract matches the call data.\n */\n fallback() external payable virtual {\n _fallback();\n }\n\n /**\n * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data\n * is empty.\n */\n receive() external payable virtual {\n _fallback();\n }\n\n /**\n * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`\n * call, or as part of the Solidity `fallback` or `receive` functions.\n *\n * If overridden should call `super._beforeFallback()`.\n */\n function _beforeFallback() internal virtual {}\n}\n"
},
"lib/openzeppelin-contracts/contracts/proxy/beacon/IBeacon.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev This is the interface that {BeaconProxy} expects of its beacon.\n */\ninterface IBeacon {\n /**\n * @dev Must return an address that can be used as a delegate call target.\n *\n * {BeaconProxy} will check that this address is a contract.\n */\n function implementation() external view returns (address);\n}\n"
},
"lib/openzeppelin-contracts/contracts/access/Ownable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n constructor() {\n _transferOwnership(_msgSender());\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby disabling any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n"
},
"lib/openzeppelin-contracts/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n *\n * Furthermore, `isContract` will also return true if the target contract within\n * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,\n * which only has an effect at the end of a transaction.\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n *\n * _Available since v4.8._\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n if (success) {\n if (returndata.length == 0) {\n // only check isContract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n require(isContract(target), \"Address: call to non-contract\");\n }\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason or using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n function _revert(bytes memory returndata, string memory errorMessage) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n}\n"
},
"lib/openzeppelin-contracts/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n"
}
},
"settings": {
"remappings": [
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
"forge-std/=lib/forge-std/src/",
"@aave/core-v3/=lib/aave-v3-core/",
"erc7399/=lib/erc7399/src/",
"erc7399-wrappers/=lib/erc7399-wrappers/src/",
"@prb/test/=lib/erc7399-wrappers/lib/prb-test/src/",
"aave-v3-core/=lib/aave-v3-core/",
"ds-test/=lib/forge-std/lib/ds-test/src/",
"erc3156/=lib/erc7399-wrappers/lib/erc3156/contracts/",
"erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
"openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/",
"openzeppelin/=lib/openzeppelin-contracts-upgradeable/contracts/",
"prb-test/=lib/erc7399-wrappers/lib/prb-test/src/",
"registry/=lib/erc7399-wrappers/lib/registry/",
"solmate/=lib/erc7399-wrappers/lib/solmate/src/"
],
"optimizer": {
"enabled": true,
"runs": 200
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "none",
"appendCBOR": false
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "london",
"libraries": {}
}
}}
|
1 | 19,498,441 |
f5e6713c687d48742874c219341b9ab603442c39b33464c541231bf601732d83
|
f6170260db92cf6ff951cfb484425404ee422a7e3cf37bbec04599553b70b520
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3aeb5831f91d29b3992d659821a7fed7b805a107
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ffa397285ce46fb78c588a9e993286aac68c37cd
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b141174d92034d8f2b17a83cc659d0bc26a55864
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3d602d80600a3d3981f3363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
1 | 19,498,444 |
bec6348c044abeeaf07847b5ec7ce2cc69553c603ab5d1f09935c87589eb372a
|
586fb970704fe2d695803301038ac2f450aaaf6785f327cba280d895393efe27
|
a7fb5ca286fc3fd67525629048a4de3ba24cba2e
|
c77ad0a71008d7094a62cfbd250a2eb2afdf2776
|
9917fe108d266d8f7d5c27ce8da9ff891788aca7
|
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{{
"language": "Solidity",
"sources": {
"@nfts2me/contracts/important/README.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * .::. //\n * ...... //\n * .... ::. //\n * .:.. :: ... //\n * ..:. :: ... //\n * ::. ..:-- ::. ... //\n * .: ..:::::-==: :::::.. : //\n * .: :::::::-====: :::::::: : //\n * .: :::::::-======. :::::::: : //\n * .: :::::::-=======-:::::::: : //\n * .: :::::::-========-::::::: : //\n * .: ::::::::========-::::::: : //\n * .: :::::::. .======-::::::: : //\n * .: :::::::. :====-::::::: : //\n * .: .:::::. -==-:::::. : //\n * .:. .:. .--:.. ... //\n * .:. :. ... //\n * .... :. .... //\n * .:. .:. //\n * .::::. //\n * :--. //\n * //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * More info at: https://docs.nfts2me.com/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\n/// @title NFTs2Me.com Smart Contracts README\n/// @author The NFTs2Me Team\n/// @notice Read our terms of service\n/// @custom:security-contact security@nfts2me.com\n/// @custom:terms-of-service https://nfts2me.com/terms-of-service/\n/// @custom:website https://nfts2me.com/\ninterface Readme {\n function n2mVersion() external pure returns (uint256);\n }\n"
},
"@nfts2me/contracts/interfaces/IN2M_ERCBase.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol\";\nimport \"./IN2M_ERCStorage.sol\";\n\ninterface IN2M_ERCBase is IERC2981Upgradeable, IN2M_ERCStorage {\n /// @notice To be called to create the collection. Can only be called once.\n function initialize\n (\n string memory tokenName,\n string memory tokenSymbol,\n uint256 iMintPrice,\n bytes32 baseURICIDHash,\n bytes32 placeholderImageCIDHash,\n RevenueAddress[] calldata revenueAddresses,\n address iErc20PaymentAddress,\n uint32 iTotalSupply,\n uint16 iRoyaltyFee,\n bool soulboundCollection,\n MintingType iMintingType\n ) external payable;\n\n /// @notice A descriptive name for a collection of NFTs in this contract\n function name() external view returns (string memory);\n\n /// @notice An abbreviated name for NFTs in this contract\n /// @return the collection symbol\n function symbol() external view returns (string memory);\n\n /// @notice A distinct Uniform Resource Identifier (URI) for a given asset.\n /// @dev Throws if `_tokenId` is not a valid NFT. URIs are defined in RFC\n /// 3986. The URI may point to a JSON file that conforms to the \"ERC721\n /// Metadata JSON Schema\".\n function tokenURI(uint256 tokenId) external view returns (string memory);\n\n /// @notice Mints one NFT to the caller (msg.sender). Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n function mint() external payable;\n\n /// @notice Mints `amount` NFTs to the caller (msg.sender). Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param amount The number of NFTs to mint\n function mint(uint256 amount) external payable;\n\n /// @notice Mints `amount` NFTs to the caller (msg.sender) with a given `affiliate`. Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param amount The number of NFTs to mint\n /// @param affiliate The affiliate address\n function mint(uint256 amount, address affiliate) external payable;\n\n /// @notice Mints `amount` NFTs to `to` address. Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n function mintTo(address to, uint256 amount) external payable;\n\n /// @notice Mints `amount` NFTs to `to` address with a given `affiliate`. Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n /// @param affiliate The affiliate address\n function mintTo(address to, uint256 amount, address affiliate) external payable;\n\n /// @notice Two phases on-chain random minting. Mints `amount` NFTs tickets to `to` address. Requires `minting type` to be `random` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment). Once minted, those tickets must be redeemed for an actual token calling `redeemRandom()`.\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n function mintRandomTo(address to, uint256 amount) external payable; \n\n /// @notice Two phases on-chain random minting. Mints `amount` NFTs tickets to `to` address with a given `affiliate`. Requires `minting type` to be `random` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment). Once minted, those tickets must be redeemed for an actual token calling `redeemRandom()`.\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n /// @param affiliate The affiliate address\n function mintRandomTo(address to, uint256 amount, address affiliate) external payable;\n\n /// @notice Redeems remaining random tickets generated from `msg.sender` by calling `mintRandomTo` for actual NFTs.\n function redeemRandom() external payable;\n\n /// @notice Mints `amount` NFTs to `to` address. Requires `minting type` to be `specify` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param tokenIds An array of the specified tokens. They must not be minted, otherwise, it will revert.\n function mintSpecifyTo(address to, uint256[] memory tokenIds) external payable; \n\n /// @notice Mints `amount` NFTs to `to` address with a given `affiliate`. Requires `minting type` to be `specify` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param tokenIds An array of the specified tokens. They must not be minted, otherwise, it will revert.\n /// @param affiliate The affiliate address\n function mintSpecifyTo(address to, uint256[] memory tokenIds, address affiliate) external payable; \n\n /// @notice Mints one NFT to `to` address. Requires `minting type` to be `customURI`.\n /// @param to The address of the NFTs receiver\n /// @param customURICIDHash The CID of the given token.\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function mintCustomURITo(address to, bytes32 customURICIDHash, bool soulbound) external payable;\n\n /// @notice Only owner can call this function. Free of charge. Mints sizeof(`to`) to `to` addresses. Requires `minting type` to be `sequential`.\n /// @param to The addresses of the NFTs receivers\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function airdropSequential(address[] memory to, bool soulbound) external payable;\n\n /// @notice Only owner can call this function. Free of charge. Mints sizeof(`to`) to `to` addresses with random tokenIds. Requires `minting type` to be `random`.\n /// @param to The addresses of the NFTs receivers\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function airdropRandom(address[] memory to, bool soulbound) external payable;\n\n /// @notice Only owner can call this function. Free of charge. Mints sizeof(`to`) to `to` addresses with specified tokenIds. Requires `minting type` to be `specify`.\n /// @param to The addresses of the NFTs receivers\n /// @param tokenIds An array of the specified tokens. They must not be minted, otherwise, it will revert.\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function airdropSpecify(address[] memory to, uint256[] memory tokenIds, bool soulbound) external payable;\n\n /// @notice Mints `amount` of NFTs to `to` address with optional specified tokenIds. This function must be called only if a valid `signature` is given during a whitelisting/presale.\n /// @param to The addresses of the NFTs receivers\n /// @param tokenIds An optional array of the specified tokens. They must not be minted, otherwise, it will revert. Only used if minting type is `specify`.\n /// @param freeMinting True is minting is free\n /// @param customFee Zero is fee is different from `mintingPrice`.\n /// @param maxAmount Max Amount to be minted with the given `signature`.\n /// @param amount Amount to mint.\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n /// @param signature Valid `signature` for the presale/whitelist.\n function mintPresale (\n address to, \n uint256[] memory tokenIds,\n bool freeMinting, \n uint256 customFee, \n uint256 maxAmount,\n uint256 amount, \n bool soulbound,\n bytes calldata signature) payable external;\n\n /// @notice Returns the minting price of one NFT.\n /// @return Mint price for one NFT in native coin or ERC-20.\n function mintPrice() external view returns (uint256);\n\n /// @notice Returns the current total supply.\n /// @return Current total supply.\n function totalSupply() external view returns (uint256);\n\n /// @notice Max amount of NFTs to be hold per address.\n /// @return Max per address allowed.\n function maxPerAddress() external view returns (uint16);\n\n}\n\n"
},
"@nfts2me/contracts/interfaces/IN2M_ERCStorage.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"../important/README.sol\";\n\ninterface IN2M_ERCStorage is Readme {\n /// @notice This event is emitted when a token is minted using an affiliate\n /// @param affiliate The affiliate address\n event AffiliateSell(address indexed affiliate);\n\n /// @notice Error thrown when trying to mint a token with a given id which is already minted\n error TokenAlreadyMinted();\n\n /// @notice Error thrown when input variable differ in length\n error InvalidInputSizesDontMatch();\n\n /// @notice Error thrown when input variable differ in length\n error InputSizeMismatch();\n\n /// @notice Error thrown when trying to mint a token with a given invalid id\n error InvalidTokenId();\n\n /// @notice Error thrown when trying to redeem random tickets with no amount to redeem\n error NothingToRedeem();\n\n /// @notice Error thrown when trying to redeem random tickets too soon\n error CantRevealYetWaitABitToBeAbleToRedeem();\n\n /// @notice Error thrown when the input amount is not valid\n error InvalidAmount();\n\n /// @notice Error thrown when trying to mint a sold out collection or the amount to mint exceeds the remaining supply\n error CollectionSoldOut();\n\n /// @notice Error thrown when trying to presale/whitelist mint and the collection current phase is `closed`\n error PresaleNotOpen();\n\n /// @notice Error thrown when trying to mint and the collection current phase is not `open`\n error PublicSaleNotOpen();\n\n /// @notice Error thrown when trying to mint but the sale has already finished\n error SaleFinished();\n\n /// @notice Error thrown when trying to mint more than the allowance to mint\n error NotEnoughAmountToMint();\n\n /// @notice Error thrown when sending funds to a free minting\n error InvalidMintFeeForFreeMinting();\n\n /// @notice Error thrown when the sent amount is not valid\n error InvalidMintFee();\n\n /// @notice Royalty fee can't be higher than 10%\n error RoyaltyFeeTooHigh();\n\n /// @notice Invalid input. Total supply must be greater than zero\n error TotalSupplyMustBeGreaterThanZero();\n\n /// @notice Can't set BaseURI and Placeholder at the same time\n error CantSetBaseURIAndPlaceholderAtTheSameTime();\n\n /// @notice No BaseURI nor Placeholder set\n error NoBaseURINorPlaceholderSet();\n\n /// @notice Can't transfer a Soulbound Token (SBT)\n error NonTransferrableSoulboundNFT();\n\n /// @notice The input revenue percentages are not valid\n error InvalidRevenuePercentage();\n\n /// @notice Can't mint until specified drop date\n error WaitUntilDropDate();\n\n /// @notice Trying to use mintPresale method in a collection with a minting type that doesn't support whitelist\n error PresaleInvalidMintingType();\n\n /// @notice Metadata is already fixed. Can't change metadata once fixed\n error MetadataAlreadyFixed();\n\n /// @notice Invalid collection minting type for the current minting function\n error InvalidMintingType();\n\n /// @notice The address exceeded the max per address amount\n error MaxPerAddressExceeded();\n\n /// @notice The given signature doesn't match the input values\n error SignatureMismatch();\n\n /// @notice Reentrancy Guard protection\n error ReentrancyGuard();\n\n /// @notice New Placeholder can't be empty\n error NewPlaceholderCantBeEmpty();\n\n /// @notice New BaseURI can't be empty\n error NewBaseURICantBeEmpty(); \n\n /// @notice Invalid percentage or discount values\n error InvalidPercentageOrDiscountValues();\n\n /// @notice Can't lower current percentages\n error CantLowerCurrentPercentages();\n\n /// @notice Contract MetadataURI already fixed\n error ContractMetadataURIAlreadyFixed();\n\n /// @notice Only owner of N2M can call this function\n error OnlyOwnerOrN2M();\n\n /// @notice Only the given affiliate or N2M can call this function\n error OnlyAffiliateOrN2M();\n\n /// @notice The signature has expired\n error SignatureExpired();\n\n /// @notice Invalid phase can't be set without giving a date, use the proper functions\n error InvalidPhaseWithoutDate();\n\n /// @notice Invalid drop date\n error InvalidDropDate();\n\n /// @notice Operator address is filtered\n error AddressFiltered(address filtered);\n\n struct RandomTicket {\n uint256 amount;\n uint256 blockNumberToReveal;\n }\n\n struct RevenueAddress {\n address to;\n uint16 percentage;\n }\n\n struct AffiliateInformation {\n bool enabled;\n uint16 affiliatePercentage;\n uint16 userDiscount;\n }\n\n enum SalePhase { \n CLOSED,\n PRESALE,\n PUBLIC,\n DROP_DATE,\n DROP_AND_END_DATE\n }\n\n enum MintingType { \n SEQUENTIAL, \n RANDOM, \n SPECIFY, \n CUSTOM_URI \n }\n\n enum OperatorFilterStatus { \n ENABLED_NOT_INITIALIZED, \n ENABLED_EXISTS, \n DISABLED_NOT_INITIALIZED,\n DISABLED_EXISTS \n }\n\n /// @notice Returns true if the metadata is fixed and immutable. If the metadata hasn't been fixed yet it will return false. Once fixed, it can't be changed by anyone.\n function isMetadataFixed() external view returns (bool);\n\n}\n\n"
},
"@nfts2me/contracts/interfaces/IN2MBeaconFactory.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\ninterface IN2MBeaconFactory {\n function getERC721Implementation() external view returns (address);\n function getERC1155Implementation() external view returns (address);\n}\n"
},
"@nfts2me/contracts/interfaces/IN2MCrossFactory.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\ninterface IN2MCrossFactory {\n function getN2MTreasuryAddress() external pure returns (address);\n function ownerOf(uint256 tokenId) external view returns (address);\n function strictOwnerOf(uint256 tokenId) external view returns (address);\n}\n"
},
"@nfts2me/contracts/interfaces/IOperatorFilterRegistry.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\ninterface IOperatorFilterRegistry {\n function isOperatorAllowed(address registrant, address operator) external view returns (bool);\n function register(address registrant) external;\n function registerAndSubscribe(address registrant, address subscription) external;\n function registerAndCopyEntries(address registrant, address registrantToCopy) external;\n function updateOperator(address registrant, address operator, bool filtered) external;\n function updateOperators(address registrant, address[] calldata operators, bool filtered) external;\n function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;\n function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;\n function subscribe(address registrant, address registrantToSubscribe) external;\n function unsubscribe(address registrant, bool copyExistingEntries) external;\n function subscriptionOf(address addr) external returns (address registrant);\n function subscribers(address registrant) external returns (address[] memory);\n function subscriberAt(address registrant, uint256 index) external returns (address);\n function copyEntriesOf(address registrant, address registrantToCopy) external;\n function isOperatorFiltered(address registrant, address operator) external returns (bool);\n function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);\n function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);\n function filteredOperators(address addr) external returns (address[] memory);\n function filteredCodeHashes(address addr) external returns (bytes32[] memory);\n function filteredOperatorAt(address registrant, uint256 index) external returns (address);\n function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);\n function isRegistered(address addr) external view returns (bool);\n function codeHashOf(address addr) external view returns (bytes32);\n}"
},
"@nfts2me/contracts/ownable/NFTOwnableUpgradeable.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol\";\n\n/// @title NFTs2Me.com Smart Contracts\n/// @author The NFTs2Me Team\n/// @notice Read our terms of service\n/// @custom:security-contact security@nfts2me.com\n/// @custom:terms-of-service https://nfts2me.com/terms-of-service/\n/// @custom:website https://nfts2me.com/\nabstract contract NFTOwnableUpgradeable is Initializable, ContextUpgradeable {\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n modifier onlyStrictOwner() {\n _checkStrictOwner();\n _;\n }\n\n modifier onlyOwnerOrN2M() {\n _checkOwnerOrN2M();\n _;\n }\n\n modifier onlyN2M() {\n _checkN2M();\n _;\n }\n\n /// @notice Returns the address of the current collection owner.\n /// @return The address of the owner.\n function owner() public view virtual returns (address);\n function _strictOwner() internal view virtual returns (address);\n function _getN2MFeeAddress() internal view virtual returns (address);\n\n function _checkOwner() internal view virtual {\n require(owner() == msg.sender, \"Ownable: caller is not the owner\");\n }\n\n function _checkStrictOwner() internal view virtual {\n require(_strictOwner() == msg.sender, \"Ownable: caller is not the owner\");\n }\n\n function _checkOwnerOrN2M() internal view virtual {\n require(owner() == msg.sender || _getN2MFeeAddress() == msg.sender, \"Ownable: caller is not the owner\");\n }\n\n function _checkN2M() internal view virtual {\n require(_getN2MFeeAddress() == msg.sender, \"Ownable: caller is not the owner\");\n }\n\n}"
},
"@openzeppelin/contracts-upgradeable/governance/utils/IVotesUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (governance/utils/IVotes.sol)\npragma solidity ^0.8.0;\n\n/**\n * @dev Common interface for {ERC20Votes}, {ERC721Votes}, and other {Votes}-enabled contracts.\n *\n * _Available since v4.5._\n */\ninterface IVotesUpgradeable {\n /**\n * @dev Emitted when an account changes their delegate.\n */\n event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);\n\n /**\n * @dev Emitted when a token transfer or delegate change results in changes to a delegate's number of votes.\n */\n event DelegateVotesChanged(address indexed delegate, uint256 previousBalance, uint256 newBalance);\n\n /**\n * @dev Returns the current amount of votes that `account` has.\n */\n function getVotes(address account) external view returns (uint256);\n\n /**\n * @dev Returns the amount of votes that `account` had at the end of a past block (`blockNumber`).\n */\n function getPastVotes(address account, uint256 blockNumber) external view returns (uint256);\n\n /**\n * @dev Returns the total supply of votes available at the end of a past block (`blockNumber`).\n *\n * NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes.\n * Votes that have not been delegated are still part of total supply, even though they would not participate in a\n * vote.\n */\n function getPastTotalSupply(uint256 blockNumber) external view returns (uint256);\n\n /**\n * @dev Returns the delegate that `account` has chosen.\n */\n function delegates(address account) external view returns (address);\n\n /**\n * @dev Delegates votes from the sender to `delegatee`.\n */\n function delegate(address delegatee) external;\n\n /**\n * @dev Delegates votes from signer to `delegatee`.\n */\n function delegateBySig(\n address delegatee,\n uint256 nonce,\n uint256 expiry,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) external;\n}\n"
},
"@openzeppelin/contracts-upgradeable/governance/utils/VotesUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (governance/utils/Votes.sol)\npragma solidity ^0.8.0;\n\nimport \"../../utils/ContextUpgradeable.sol\";\nimport \"../../utils/CountersUpgradeable.sol\";\nimport \"../../utils/CheckpointsUpgradeable.sol\";\nimport \"../../utils/cryptography/EIP712Upgradeable.sol\";\nimport \"./IVotesUpgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev This is a base abstract contract that tracks voting units, which are a measure of voting power that can be\n * transferred, and provides a system of vote delegation, where an account can delegate its voting units to a sort of\n * \"representative\" that will pool delegated voting units from different accounts and can then use it to vote in\n * decisions. In fact, voting units _must_ be delegated in order to count as actual votes, and an account has to\n * delegate those votes to itself if it wishes to participate in decisions and does not have a trusted representative.\n *\n * This contract is often combined with a token contract such that voting units correspond to token units. For an\n * example, see {ERC721Votes}.\n *\n * The full history of delegate votes is tracked on-chain so that governance protocols can consider votes as distributed\n * at a particular block number to protect against flash loans and double voting. The opt-in delegate system makes the\n * cost of this history tracking optional.\n *\n * When using this module the derived contract must implement {_getVotingUnits} (for example, make it return\n * {ERC721-balanceOf}), and can use {_transferVotingUnits} to track a change in the distribution of those units (in the\n * previous example, it would be included in {ERC721-_beforeTokenTransfer}).\n *\n * _Available since v4.5._\n */\nabstract contract VotesUpgradeable is Initializable, IVotesUpgradeable, ContextUpgradeable, EIP712Upgradeable {\n function __Votes_init() internal onlyInitializing {\n }\n\n function __Votes_init_unchained() internal onlyInitializing {\n }\n using CheckpointsUpgradeable for CheckpointsUpgradeable.History;\n using CountersUpgradeable for CountersUpgradeable.Counter;\n\n bytes32 private constant _DELEGATION_TYPEHASH =\n keccak256(\"Delegation(address delegatee,uint256 nonce,uint256 expiry)\");\n\n mapping(address => address) private _delegation;\n mapping(address => CheckpointsUpgradeable.History) private _delegateCheckpoints;\n CheckpointsUpgradeable.History private _totalCheckpoints;\n\n mapping(address => CountersUpgradeable.Counter) private _nonces;\n\n /**\n * @dev Returns the current amount of votes that `account` has.\n */\n function getVotes(address account) public view virtual override returns (uint256) {\n return _delegateCheckpoints[account].latest();\n }\n\n /**\n * @dev Returns the amount of votes that `account` had at the end of a past block (`blockNumber`).\n *\n * Requirements:\n *\n * - `blockNumber` must have been already mined\n */\n function getPastVotes(address account, uint256 blockNumber) public view virtual override returns (uint256) {\n return _delegateCheckpoints[account].getAtProbablyRecentBlock(blockNumber);\n }\n\n /**\n * @dev Returns the total supply of votes available at the end of a past block (`blockNumber`).\n *\n * NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes.\n * Votes that have not been delegated are still part of total supply, even though they would not participate in a\n * vote.\n *\n * Requirements:\n *\n * - `blockNumber` must have been already mined\n */\n function getPastTotalSupply(uint256 blockNumber) public view virtual override returns (uint256) {\n require(blockNumber < block.number, \"Votes: block not yet mined\");\n return _totalCheckpoints.getAtProbablyRecentBlock(blockNumber);\n }\n\n /**\n * @dev Returns the current total supply of votes.\n */\n function _getTotalSupply() internal view virtual returns (uint256) {\n return _totalCheckpoints.latest();\n }\n\n /**\n * @dev Returns the delegate that `account` has chosen.\n */\n function delegates(address account) public view virtual override returns (address) {\n return _delegation[account];\n }\n\n /**\n * @dev Delegates votes from the sender to `delegatee`.\n */\n function delegate(address delegatee) public virtual override {\n address account = _msgSender();\n _delegate(account, delegatee);\n }\n\n /**\n * @dev Delegates votes from signer to `delegatee`.\n */\n function delegateBySig(\n address delegatee,\n uint256 nonce,\n uint256 expiry,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) public virtual override {\n require(block.timestamp <= expiry, \"Votes: signature expired\");\n address signer = ECDSAUpgradeable.recover(\n _hashTypedDataV4(keccak256(abi.encode(_DELEGATION_TYPEHASH, delegatee, nonce, expiry))),\n v,\n r,\n s\n );\n require(nonce == _useNonce(signer), \"Votes: invalid nonce\");\n _delegate(signer, delegatee);\n }\n\n /**\n * @dev Delegate all of `account`'s voting units to `delegatee`.\n *\n * Emits events {IVotes-DelegateChanged} and {IVotes-DelegateVotesChanged}.\n */\n function _delegate(address account, address delegatee) internal virtual {\n address oldDelegate = delegates(account);\n _delegation[account] = delegatee;\n\n emit DelegateChanged(account, oldDelegate, delegatee);\n _moveDelegateVotes(oldDelegate, delegatee, _getVotingUnits(account));\n }\n\n /**\n * @dev Transfers, mints, or burns voting units. To register a mint, `from` should be zero. To register a burn, `to`\n * should be zero. Total supply of voting units will be adjusted with mints and burns.\n */\n function _transferVotingUnits(\n address from,\n address to,\n uint256 amount\n ) internal virtual {\n if (from == address(0)) {\n _totalCheckpoints.push(_add, amount);\n }\n if (to == address(0)) {\n _totalCheckpoints.push(_subtract, amount);\n }\n _moveDelegateVotes(delegates(from), delegates(to), amount);\n }\n\n /**\n * @dev Moves delegated votes from one delegate to another.\n */\n function _moveDelegateVotes(\n address from,\n address to,\n uint256 amount\n ) private {\n if (from != to && amount > 0) {\n if (from != address(0)) {\n (uint256 oldValue, uint256 newValue) = _delegateCheckpoints[from].push(_subtract, amount);\n emit DelegateVotesChanged(from, oldValue, newValue);\n }\n if (to != address(0)) {\n (uint256 oldValue, uint256 newValue) = _delegateCheckpoints[to].push(_add, amount);\n emit DelegateVotesChanged(to, oldValue, newValue);\n }\n }\n }\n\n function _add(uint256 a, uint256 b) private pure returns (uint256) {\n return a + b;\n }\n\n function _subtract(uint256 a, uint256 b) private pure returns (uint256) {\n return a - b;\n }\n\n /**\n * @dev Consumes a nonce.\n *\n * Returns the current value and increments nonce.\n */\n function _useNonce(address owner) internal virtual returns (uint256 current) {\n CountersUpgradeable.Counter storage nonce = _nonces[owner];\n current = nonce.current();\n nonce.increment();\n }\n\n /**\n * @dev Returns an address nonce.\n */\n function nonces(address owner) public view virtual returns (uint256) {\n return _nonces[owner].current();\n }\n\n /**\n * @dev Returns the contract's {EIP712} domain separator.\n */\n // solhint-disable-next-line func-name-mixedcase\n function DOMAIN_SEPARATOR() external view returns (bytes32) {\n return _domainSeparatorV4();\n }\n\n /**\n * @dev Must return the voting units held by an account.\n */\n function _getVotingUnits(address) internal view virtual returns (uint256);\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[46] private __gap;\n}\n"
},
"@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/introspection/IERC165Upgradeable.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n * _Available since v4.5._\n */\ninterface IERC2981Upgradeable is IERC165Upgradeable {\n /**\n * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.\n */\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n returns (address receiver, uint256 royaltyAmount);\n}\n"
},
"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/AddressUpgradeable.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n */\n uint8 private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint8 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts.\n *\n * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a\n * constructor.\n *\n * Emits an {Initialized} event.\n */\n modifier initializer() {\n bool isTopLevelCall = !_initializing;\n require(\n (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),\n \"Initializable: contract is already initialized\"\n );\n _initialized = 1;\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * A reinitializer may be used after the original initialization step. This is essential to configure modules that\n * are added through upgrades and that require initialization.\n *\n * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n * cannot be nested. If one is invoked in the context of another, execution will revert.\n *\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n *\n * WARNING: setting the version to 255 will prevent any future reinitialization.\n *\n * Emits an {Initialized} event.\n */\n modifier reinitializer(uint8 version) {\n require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n _initialized = version;\n _initializing = true;\n _;\n _initializing = false;\n emit Initialized(version);\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n */\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n /**\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n *\n * Emits an {Initialized} event the first time it is successfully executed.\n */\n function _disableInitializers() internal virtual {\n require(!_initializing, \"Initializable: contract is initializing\");\n if (_initialized < type(uint8).max) {\n _initialized = type(uint8).max;\n emit Initialized(type(uint8).max);\n }\n }\n\n /**\n * @dev Internal function that returns the initialized version. Returns `_initialized`\n */\n function _getInitializedVersion() internal view returns (uint8) {\n return _initialized;\n }\n\n /**\n * @dev Internal function that returns the initialized version. Returns `_initializing`\n */\n function _isInitializing() internal view returns (bool) {\n return _initializing;\n }\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC1155/ERC1155Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC1155/ERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC1155Upgradeable.sol\";\nimport \"./IERC1155ReceiverUpgradeable.sol\";\nimport \"./extensions/IERC1155MetadataURIUpgradeable.sol\";\nimport \"../../utils/AddressUpgradeable.sol\";\nimport \"../../utils/ContextUpgradeable.sol\";\nimport \"../../utils/introspection/ERC165Upgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Implementation of the basic standard multi-token.\n * See https://eips.ethereum.org/EIPS/eip-1155\n * Originally based on code by Enjin: https://github.com/enjin/erc-1155\n *\n * _Available since v3.1._\n */\ncontract ERC1155Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC1155Upgradeable, IERC1155MetadataURIUpgradeable {\n using AddressUpgradeable for address;\n\n // Mapping from token ID to account balances\n mapping(uint256 => mapping(address => uint256)) private _balances;\n\n // Mapping from account to operator approvals\n mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json\n string private _uri;\n\n /**\n * @dev See {_setURI}.\n */\n function __ERC1155_init(string memory uri_) internal onlyInitializing {\n __ERC1155_init_unchained(uri_);\n }\n\n function __ERC1155_init_unchained(string memory uri_) internal onlyInitializing {\n _setURI(uri_);\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {\n return\n interfaceId == type(IERC1155Upgradeable).interfaceId ||\n interfaceId == type(IERC1155MetadataURIUpgradeable).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev See {IERC1155MetadataURI-uri}.\n *\n * This implementation returns the same URI for *all* token types. It relies\n * on the token type ID substitution mechanism\n * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].\n *\n * Clients calling this function must replace the `\\{id\\}` substring with the\n * actual token type ID.\n */\n function uri(uint256) public view virtual override returns (string memory) {\n return _uri;\n }\n\n /**\n * @dev See {IERC1155-balanceOf}.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {\n require(account != address(0), \"ERC1155: address zero is not a valid owner\");\n return _balances[id][account];\n }\n\n /**\n * @dev See {IERC1155-balanceOfBatch}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] memory accounts, uint256[] memory ids)\n public\n view\n virtual\n override\n returns (uint256[] memory)\n {\n require(accounts.length == ids.length, \"ERC1155: accounts and ids length mismatch\");\n\n uint256[] memory batchBalances = new uint256[](accounts.length);\n\n for (uint256 i = 0; i < accounts.length; ++i) {\n batchBalances[i] = balanceOf(accounts[i], ids[i]);\n }\n\n return batchBalances;\n }\n\n /**\n * @dev See {IERC1155-setApprovalForAll}.\n */\n function setApprovalForAll(address operator, bool approved) public virtual override {\n _setApprovalForAll(_msgSender(), operator, approved);\n }\n\n /**\n * @dev See {IERC1155-isApprovedForAll}.\n */\n function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {\n return _operatorApprovals[account][operator];\n }\n\n /**\n * @dev See {IERC1155-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) public virtual override {\n require(\n from == _msgSender() || isApprovedForAll(from, _msgSender()),\n \"ERC1155: caller is not token owner or approved\"\n );\n _safeTransferFrom(from, to, id, amount, data);\n }\n\n /**\n * @dev See {IERC1155-safeBatchTransferFrom}.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) public virtual override {\n require(\n from == _msgSender() || isApprovedForAll(from, _msgSender()),\n \"ERC1155: caller is not token owner or approved\"\n );\n _safeBatchTransferFrom(from, to, ids, amounts, data);\n }\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function _safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) internal virtual {\n require(to != address(0), \"ERC1155: transfer to the zero address\");\n\n address operator = _msgSender();\n uint256[] memory ids = _asSingletonArray(id);\n uint256[] memory amounts = _asSingletonArray(amount);\n\n _beforeTokenTransfer(operator, from, to, ids, amounts, data);\n\n uint256 fromBalance = _balances[id][from];\n require(fromBalance >= amount, \"ERC1155: insufficient balance for transfer\");\n unchecked {\n _balances[id][from] = fromBalance - amount;\n }\n _balances[id][to] += amount;\n\n emit TransferSingle(operator, from, to, id, amount);\n\n _afterTokenTransfer(operator, from, to, ids, amounts, data);\n\n _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);\n }\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function _safeBatchTransferFrom(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n require(to != address(0), \"ERC1155: transfer to the zero address\");\n\n address operator = _msgSender();\n\n _beforeTokenTransfer(operator, from, to, ids, amounts, data);\n\n for (uint256 i = 0; i < ids.length; ++i) {\n uint256 id = ids[i];\n uint256 amount = amounts[i];\n\n uint256 fromBalance = _balances[id][from];\n require(fromBalance >= amount, \"ERC1155: insufficient balance for transfer\");\n unchecked {\n _balances[id][from] = fromBalance - amount;\n }\n _balances[id][to] += amount;\n }\n\n emit TransferBatch(operator, from, to, ids, amounts);\n\n _afterTokenTransfer(operator, from, to, ids, amounts, data);\n\n _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);\n }\n\n /**\n * @dev Sets a new URI for all token types, by relying on the token type ID\n * substitution mechanism\n * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].\n *\n * By this mechanism, any occurrence of the `\\{id\\}` substring in either the\n * URI or any of the amounts in the JSON file at said URI will be replaced by\n * clients with the token type ID.\n *\n * For example, the `https://token-cdn-domain/\\{id\\}.json` URI would be\n * interpreted by clients as\n * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`\n * for token type ID 0x4cce0.\n *\n * See {uri}.\n *\n * Because these URIs cannot be meaningfully represented by the {URI} event,\n * this function emits no events.\n */\n function _setURI(string memory newuri) internal virtual {\n _uri = newuri;\n }\n\n /**\n * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function _mint(\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) internal virtual {\n require(to != address(0), \"ERC1155: mint to the zero address\");\n\n address operator = _msgSender();\n uint256[] memory ids = _asSingletonArray(id);\n uint256[] memory amounts = _asSingletonArray(amount);\n\n _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n _balances[id][to] += amount;\n emit TransferSingle(operator, address(0), to, id, amount);\n\n _afterTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);\n }\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function _mintBatch(\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n require(to != address(0), \"ERC1155: mint to the zero address\");\n require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n\n address operator = _msgSender();\n\n _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n for (uint256 i = 0; i < ids.length; i++) {\n _balances[ids[i]][to] += amounts[i];\n }\n\n emit TransferBatch(operator, address(0), to, ids, amounts);\n\n _afterTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);\n }\n\n /**\n * @dev Destroys `amount` tokens of token type `id` from `from`\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `from` must have at least `amount` tokens of token type `id`.\n */\n function _burn(\n address from,\n uint256 id,\n uint256 amount\n ) internal virtual {\n require(from != address(0), \"ERC1155: burn from the zero address\");\n\n address operator = _msgSender();\n uint256[] memory ids = _asSingletonArray(id);\n uint256[] memory amounts = _asSingletonArray(amount);\n\n _beforeTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n\n uint256 fromBalance = _balances[id][from];\n require(fromBalance >= amount, \"ERC1155: burn amount exceeds balance\");\n unchecked {\n _balances[id][from] = fromBalance - amount;\n }\n\n emit TransferSingle(operator, from, address(0), id, amount);\n\n _afterTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n }\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n */\n function _burnBatch(\n address from,\n uint256[] memory ids,\n uint256[] memory amounts\n ) internal virtual {\n require(from != address(0), \"ERC1155: burn from the zero address\");\n require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n\n address operator = _msgSender();\n\n _beforeTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n\n for (uint256 i = 0; i < ids.length; i++) {\n uint256 id = ids[i];\n uint256 amount = amounts[i];\n\n uint256 fromBalance = _balances[id][from];\n require(fromBalance >= amount, \"ERC1155: burn amount exceeds balance\");\n unchecked {\n _balances[id][from] = fromBalance - amount;\n }\n }\n\n emit TransferBatch(operator, from, address(0), ids, amounts);\n\n _afterTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n }\n\n /**\n * @dev Approve `operator` to operate on all of `owner` tokens\n *\n * Emits an {ApprovalForAll} event.\n */\n function _setApprovalForAll(\n address owner,\n address operator,\n bool approved\n ) internal virtual {\n require(owner != operator, \"ERC1155: setting approval status for self\");\n _operatorApprovals[owner][operator] = approved;\n emit ApprovalForAll(owner, operator, approved);\n }\n\n /**\n * @dev Hook that is called before any token transfer. This includes minting\n * and burning, as well as batched variants.\n *\n * The same hook is called on both single and batched variants. For single\n * transfers, the length of the `ids` and `amounts` arrays will be 1.\n *\n * Calling conditions (for each `id` and `amount` pair):\n *\n * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * of token type `id` will be transferred to `to`.\n * - When `from` is zero, `amount` tokens of token type `id` will be minted\n * for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`\n * will be burned.\n * - `from` and `to` are never both zero.\n * - `ids` and `amounts` have the same, non-zero length.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address operator,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any token transfer. This includes minting\n * and burning, as well as batched variants.\n *\n * The same hook is called on both single and batched variants. For single\n * transfers, the length of the `id` and `amount` arrays will be 1.\n *\n * Calling conditions (for each `id` and `amount` pair):\n *\n * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * of token type `id` will be transferred to `to`.\n * - When `from` is zero, `amount` tokens of token type `id` will be minted\n * for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`\n * will be burned.\n * - `from` and `to` are never both zero.\n * - `ids` and `amounts` have the same, non-zero length.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address operator,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n\n function _doSafeTransferAcceptanceCheck(\n address operator,\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) private {\n if (to.isContract()) {\n try IERC1155ReceiverUpgradeable(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {\n if (response != IERC1155ReceiverUpgradeable.onERC1155Received.selector) {\n revert(\"ERC1155: ERC1155Receiver rejected tokens\");\n }\n } catch Error(string memory reason) {\n revert(reason);\n } catch {\n revert(\"ERC1155: transfer to non-ERC1155Receiver implementer\");\n }\n }\n }\n\n function _doSafeBatchTransferAcceptanceCheck(\n address operator,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) private {\n if (to.isContract()) {\n try IERC1155ReceiverUpgradeable(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (\n bytes4 response\n ) {\n if (response != IERC1155ReceiverUpgradeable.onERC1155BatchReceived.selector) {\n revert(\"ERC1155: ERC1155Receiver rejected tokens\");\n }\n } catch Error(string memory reason) {\n revert(reason);\n } catch {\n revert(\"ERC1155: transfer to non-ERC1155Receiver implementer\");\n }\n }\n }\n\n function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {\n uint256[] memory array = new uint256[](1);\n array[0] = element;\n\n return array;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[47] private __gap;\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC1155/extensions/ERC1155SupplyUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC1155/extensions/ERC1155Supply.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../ERC1155Upgradeable.sol\";\nimport \"../../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Extension of ERC1155 that adds tracking of total supply per id.\n *\n * Useful for scenarios where Fungible and Non-fungible tokens have to be\n * clearly identified. Note: While a totalSupply of 1 might mean the\n * corresponding is an NFT, there is no guarantees that no other token with the\n * same id are not going to be minted.\n */\nabstract contract ERC1155SupplyUpgradeable is Initializable, ERC1155Upgradeable {\n function __ERC1155Supply_init() internal onlyInitializing {\n }\n\n function __ERC1155Supply_init_unchained() internal onlyInitializing {\n }\n mapping(uint256 => uint256) private _totalSupply;\n\n /**\n * @dev Total amount of tokens in with a given id.\n */\n function totalSupply(uint256 id) public view virtual returns (uint256) {\n return _totalSupply[id];\n }\n\n /**\n * @dev Indicates whether any token exist with a given id, or not.\n */\n function exists(uint256 id) public view virtual returns (bool) {\n return ERC1155SupplyUpgradeable.totalSupply(id) > 0;\n }\n\n /**\n * @dev See {ERC1155-_beforeTokenTransfer}.\n */\n function _beforeTokenTransfer(\n address operator,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual override {\n super._beforeTokenTransfer(operator, from, to, ids, amounts, data);\n\n if (from == address(0)) {\n for (uint256 i = 0; i < ids.length; ++i) {\n _totalSupply[ids[i]] += amounts[i];\n }\n }\n\n if (to == address(0)) {\n for (uint256 i = 0; i < ids.length; ++i) {\n uint256 id = ids[i];\n uint256 amount = amounts[i];\n uint256 supply = _totalSupply[id];\n require(supply >= amount, \"ERC1155: burn amount exceeds totalSupply\");\n unchecked {\n _totalSupply[id] = supply - amount;\n }\n }\n }\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[49] private __gap;\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC1155/extensions/IERC1155MetadataURIUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155Upgradeable.sol\";\n\n/**\n * @dev Interface of the optional ERC1155MetadataExtension interface, as defined\n * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155MetadataURIUpgradeable is IERC1155Upgradeable {\n /**\n * @dev Returns the URI for token type `id`.\n *\n * If the `\\{id\\}` substring is present in the URI, it must be replaced by\n * clients with the actual token type ID.\n */\n function uri(uint256 id) external view returns (string memory);\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155ReceiverUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165Upgradeable.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\ninterface IERC1155ReceiverUpgradeable is IERC165Upgradeable {\n /**\n * @dev Handles the receipt of a single ERC1155 token type. This function is\n * called at the end of a `safeTransferFrom` after the balance has been updated.\n *\n * NOTE: To accept the transfer, this must return\n * `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n * (i.e. 0xf23a6e61, or its own function selector).\n *\n * @param operator The address which initiated the transfer (i.e. msg.sender)\n * @param from The address which previously owned the token\n * @param id The ID of the token being transferred\n * @param value The amount of tokens being transferred\n * @param data Additional data with no specified format\n * @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n */\n function onERC1155Received(\n address operator,\n address from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external returns (bytes4);\n\n /**\n * @dev Handles the receipt of a multiple ERC1155 token types. This function\n * is called at the end of a `safeBatchTransferFrom` after the balances have\n * been updated.\n *\n * NOTE: To accept the transfer(s), this must return\n * `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n * (i.e. 0xbc197c81, or its own function selector).\n *\n * @param operator The address which initiated the batch transfer (i.e. msg.sender)\n * @param from The address which previously owned the token\n * @param ids An array containing ids of each token being transferred (order and length must match values array)\n * @param values An array containing amounts of each token being transferred (order and length must match ids array)\n * @param data Additional data with no specified format\n * @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n */\n function onERC1155BatchReceived(\n address operator,\n address from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external returns (bytes4);\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165Upgradeable.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155Upgradeable is IERC165Upgradeable {\n /**\n * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n */\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /**\n * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n */\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /**\n * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n */\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /**\n * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n *\n * If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n */\n event URI(string value, uint256 indexed id);\n\n /**\n * @dev Returns the amount of tokens of token type `id` owned by `account`.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /**\n * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n *\n * Emits an {ApprovalForAll} event.\n *\n * Requirements:\n *\n * - `operator` cannot be the caller.\n */\n function setApprovalForAll(address operator, bool approved) external;\n\n /**\n * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC20/extensions/draft-IERC20PermitUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n */\ninterface IERC20PermitUpgradeable {\n /**\n * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n * given ``owner``'s signed approval.\n *\n * IMPORTANT: The same issues {IERC20-approve} has related to transaction\n * ordering also apply here.\n *\n * Emits an {Approval} event.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n * - `deadline` must be a timestamp in the future.\n * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n * over the EIP712-formatted function arguments.\n * - the signature must use ``owner``'s current nonce (see {nonces}).\n *\n * For more information on the signature format, see the\n * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n * section].\n */\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) external;\n\n /**\n * @dev Returns the current nonce for `owner`. This value must be\n * included whenever a signature is generated for {permit}.\n *\n * Every successful call to {permit} increases ``owner``'s nonce by one. This\n * prevents a signature from being used multiple times.\n */\n function nonces(address owner) external view returns (uint256);\n\n /**\n * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n */\n // solhint-disable-next-line func-name-mixedcase\n function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20Upgradeable {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20Upgradeable.sol\";\nimport \"../extensions/draft-IERC20PermitUpgradeable.sol\";\nimport \"../../../utils/AddressUpgradeable.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20Upgradeable {\n using AddressUpgradeable for address;\n\n function safeTransfer(\n IERC20Upgradeable token,\n address to,\n uint256 value\n ) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n }\n\n function safeTransferFrom(\n IERC20Upgradeable token,\n address from,\n address to,\n uint256 value\n ) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n }\n\n /**\n * @dev Deprecated. This function has issues similar to the ones found in\n * {IERC20-approve}, and its usage is discouraged.\n *\n * Whenever possible, use {safeIncreaseAllowance} and\n * {safeDecreaseAllowance} instead.\n */\n function safeApprove(\n IERC20Upgradeable token,\n address spender,\n uint256 value\n ) internal {\n // safeApprove should only be called when setting an initial allowance,\n // or when resetting it to zero. To increase and decrease it, use\n // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n require(\n (value == 0) || (token.allowance(address(this), spender) == 0),\n \"SafeERC20: approve from non-zero to non-zero allowance\"\n );\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n }\n\n function safeIncreaseAllowance(\n IERC20Upgradeable token,\n address spender,\n uint256 value\n ) internal {\n uint256 newAllowance = token.allowance(address(this), spender) + value;\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n }\n\n function safeDecreaseAllowance(\n IERC20Upgradeable token,\n address spender,\n uint256 value\n ) internal {\n unchecked {\n uint256 oldAllowance = token.allowance(address(this), spender);\n require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n uint256 newAllowance = oldAllowance - value;\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n }\n }\n\n function safePermit(\n IERC20PermitUpgradeable token,\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal {\n uint256 nonceBefore = token.nonces(owner);\n token.permit(owner, spender, value, deadline, v, r, s);\n uint256 nonceAfter = token.nonces(owner);\n require(nonceAfter == nonceBefore + 1, \"SafeERC20: permit did not succeed\");\n }\n\n /**\n * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n * on the return value: the return value is optional (but if data is returned, it must not be false).\n * @param token The token targeted by the call.\n * @param data The call data (encoded using abi.encode or one of its variants).\n */\n function _callOptionalReturn(IERC20Upgradeable token, bytes memory data) private {\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that\n // the target address contains contract code and also asserts for success in the low-level call.\n\n bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n if (returndata.length > 0) {\n // Return data is optional\n require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n }\n }\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/ERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC721Upgradeable.sol\";\nimport \"./IERC721ReceiverUpgradeable.sol\";\nimport \"./extensions/IERC721MetadataUpgradeable.sol\";\nimport \"../../utils/AddressUpgradeable.sol\";\nimport \"../../utils/ContextUpgradeable.sol\";\nimport \"../../utils/StringsUpgradeable.sol\";\nimport \"../../utils/introspection/ERC165Upgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including\n * the Metadata extension, but not including the Enumerable extension, which is available separately as\n * {ERC721Enumerable}.\n */\ncontract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable {\n using AddressUpgradeable for address;\n using StringsUpgradeable for uint256;\n\n // Token name\n string private _name;\n\n // Token symbol\n string private _symbol;\n\n // Mapping from token ID to owner address\n mapping(uint256 => address) private _owners;\n\n // Mapping owner address to token count\n mapping(address => uint256) private _balances;\n\n // Mapping from token ID to approved address\n mapping(uint256 => address) private _tokenApprovals;\n\n // Mapping from owner to operator approvals\n mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n /**\n * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.\n */\n function __ERC721_init(string memory name_, string memory symbol_) internal onlyInitializing {\n __ERC721_init_unchained(name_, symbol_);\n }\n\n function __ERC721_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {\n return\n interfaceId == type(IERC721Upgradeable).interfaceId ||\n interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev See {IERC721-balanceOf}.\n */\n function balanceOf(address owner) public view virtual override returns (uint256) {\n require(owner != address(0), \"ERC721: address zero is not a valid owner\");\n return _balances[owner];\n }\n\n /**\n * @dev See {IERC721-ownerOf}.\n */\n function ownerOf(uint256 tokenId) public view virtual override returns (address) {\n address owner = _ownerOf(tokenId);\n require(owner != address(0), \"ERC721: invalid token ID\");\n return owner;\n }\n\n /**\n * @dev See {IERC721Metadata-name}.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev See {IERC721Metadata-symbol}.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev See {IERC721Metadata-tokenURI}.\n */\n function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n _requireMinted(tokenId);\n\n string memory baseURI = _baseURI();\n return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : \"\";\n }\n\n /**\n * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n * by default, can be overridden in child contracts.\n */\n function _baseURI() internal view virtual returns (string memory) {\n return \"\";\n }\n\n /**\n * @dev See {IERC721-approve}.\n */\n function approve(address to, uint256 tokenId) public virtual override {\n address owner = ERC721Upgradeable.ownerOf(tokenId);\n require(to != owner, \"ERC721: approval to current owner\");\n\n require(\n _msgSender() == owner || isApprovedForAll(owner, _msgSender()),\n \"ERC721: approve caller is not token owner or approved for all\"\n );\n\n _approve(to, tokenId);\n }\n\n /**\n * @dev See {IERC721-getApproved}.\n */\n function getApproved(uint256 tokenId) public view virtual override returns (address) {\n _requireMinted(tokenId);\n\n return _tokenApprovals[tokenId];\n }\n\n /**\n * @dev See {IERC721-setApprovalForAll}.\n */\n function setApprovalForAll(address operator, bool approved) public virtual override {\n _setApprovalForAll(_msgSender(), operator, approved);\n }\n\n /**\n * @dev See {IERC721-isApprovedForAll}.\n */\n function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n return _operatorApprovals[owner][operator];\n }\n\n /**\n * @dev See {IERC721-transferFrom}.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n //solhint-disable-next-line max-line-length\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721: caller is not token owner or approved\");\n\n _transfer(from, to, tokenId);\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) public virtual override {\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721: caller is not token owner or approved\");\n _safeTransfer(from, to, tokenId, data);\n }\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * `data` is additional data, it has no specified format and it is sent in call to `to`.\n *\n * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.\n * implement alternative mechanisms to perform token transfer, such as signature-based.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function _safeTransfer(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) internal virtual {\n _transfer(from, to, tokenId);\n require(_checkOnERC721Received(from, to, tokenId, data), \"ERC721: transfer to non ERC721Receiver implementer\");\n }\n\n /**\n * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist\n */\n function _ownerOf(uint256 tokenId) internal view virtual returns (address) {\n return _owners[tokenId];\n }\n\n /**\n * @dev Returns whether `tokenId` exists.\n *\n * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n *\n * Tokens start existing when they are minted (`_mint`),\n * and stop existing when they are burned (`_burn`).\n */\n function _exists(uint256 tokenId) internal view virtual returns (bool) {\n return _ownerOf(tokenId) != address(0);\n }\n\n /**\n * @dev Returns whether `spender` is allowed to manage `tokenId`.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {\n address owner = ERC721Upgradeable.ownerOf(tokenId);\n return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);\n }\n\n /**\n * @dev Safely mints `tokenId` and transfers it to `to`.\n *\n * Requirements:\n *\n * - `tokenId` must not exist.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function _safeMint(address to, uint256 tokenId) internal virtual {\n _safeMint(to, tokenId, \"\");\n }\n\n /**\n * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is\n * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.\n */\n function _safeMint(\n address to,\n uint256 tokenId,\n bytes memory data\n ) internal virtual {\n _mint(to, tokenId);\n require(\n _checkOnERC721Received(address(0), to, tokenId, data),\n \"ERC721: transfer to non ERC721Receiver implementer\"\n );\n }\n\n /**\n * @dev Mints `tokenId` and transfers it to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible\n *\n * Requirements:\n *\n * - `tokenId` must not exist.\n * - `to` cannot be the zero address.\n *\n * Emits a {Transfer} event.\n */\n function _mint(address to, uint256 tokenId) internal virtual {\n require(to != address(0), \"ERC721: mint to the zero address\");\n require(!_exists(tokenId), \"ERC721: token already minted\");\n\n _beforeTokenTransfer(address(0), to, tokenId, 1);\n\n // Check that tokenId was not minted by `_beforeTokenTransfer` hook\n require(!_exists(tokenId), \"ERC721: token already minted\");\n\n unchecked {\n // Will not overflow unless all 2**256 token ids are minted to the same owner.\n // Given that tokens are minted one by one, it is impossible in practice that\n // this ever happens. Might change if we allow batch minting.\n // The ERC fails to describe this case.\n _balances[to] += 1;\n }\n\n _owners[tokenId] = to;\n\n emit Transfer(address(0), to, tokenId);\n\n _afterTokenTransfer(address(0), to, tokenId, 1);\n }\n\n /**\n * @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n * This is an internal function that does not check if the sender is authorized to operate on the token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n *\n * Emits a {Transfer} event.\n */\n function _burn(uint256 tokenId) internal virtual {\n address owner = ERC721Upgradeable.ownerOf(tokenId);\n\n _beforeTokenTransfer(owner, address(0), tokenId, 1);\n\n // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook\n owner = ERC721Upgradeable.ownerOf(tokenId);\n\n // Clear approvals\n delete _tokenApprovals[tokenId];\n\n unchecked {\n // Cannot overflow, as that would require more tokens to be burned/transferred\n // out than the owner initially received through minting and transferring in.\n _balances[owner] -= 1;\n }\n delete _owners[tokenId];\n\n emit Transfer(owner, address(0), tokenId);\n\n _afterTokenTransfer(owner, address(0), tokenId, 1);\n }\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n * As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n *\n * Emits a {Transfer} event.\n */\n function _transfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {\n require(ERC721Upgradeable.ownerOf(tokenId) == from, \"ERC721: transfer from incorrect owner\");\n require(to != address(0), \"ERC721: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, tokenId, 1);\n\n // Check that tokenId was not transferred by `_beforeTokenTransfer` hook\n require(ERC721Upgradeable.ownerOf(tokenId) == from, \"ERC721: transfer from incorrect owner\");\n\n // Clear approvals from the previous owner\n delete _tokenApprovals[tokenId];\n\n unchecked {\n // `_balances[from]` cannot overflow for the same reason as described in `_burn`:\n // `from`'s balance is the number of token held, which is at least one before the current\n // transfer.\n // `_balances[to]` could overflow in the conditions described in `_mint`. That would require\n // all 2**256 token ids to be minted, which in practice is impossible.\n _balances[from] -= 1;\n _balances[to] += 1;\n }\n _owners[tokenId] = to;\n\n emit Transfer(from, to, tokenId);\n\n _afterTokenTransfer(from, to, tokenId, 1);\n }\n\n /**\n * @dev Approve `to` to operate on `tokenId`\n *\n * Emits an {Approval} event.\n */\n function _approve(address to, uint256 tokenId) internal virtual {\n _tokenApprovals[tokenId] = to;\n emit Approval(ERC721Upgradeable.ownerOf(tokenId), to, tokenId);\n }\n\n /**\n * @dev Approve `operator` to operate on all of `owner` tokens\n *\n * Emits an {ApprovalForAll} event.\n */\n function _setApprovalForAll(\n address owner,\n address operator,\n bool approved\n ) internal virtual {\n require(owner != operator, \"ERC721: approve to caller\");\n _operatorApprovals[owner][operator] = approved;\n emit ApprovalForAll(owner, operator, approved);\n }\n\n /**\n * @dev Reverts if the `tokenId` has not been minted yet.\n */\n function _requireMinted(uint256 tokenId) internal view virtual {\n require(_exists(tokenId), \"ERC721: invalid token ID\");\n }\n\n /**\n * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.\n * The call is not executed if the target address is not a contract.\n *\n * @param from address representing the previous owner of the given token ID\n * @param to target address that will receive the tokens\n * @param tokenId uint256 ID of the token to be transferred\n * @param data bytes optional data to send along with the call\n * @return bool whether the call correctly returned the expected magic value\n */\n function _checkOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) private returns (bool) {\n if (to.isContract()) {\n try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {\n return retval == IERC721ReceiverUpgradeable.onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert(\"ERC721: transfer to non ERC721Receiver implementer\");\n } else {\n /// @solidity memory-safe-assembly\n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n } else {\n return true;\n }\n }\n\n /**\n * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is\n * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`.\n * - When `from` is zero, the tokens will be minted for `to`.\n * - When `to` is zero, ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n * - `batchSize` is non-zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256, /* firstTokenId */\n uint256 batchSize\n ) internal virtual {\n if (batchSize > 1) {\n if (from != address(0)) {\n _balances[from] -= batchSize;\n }\n if (to != address(0)) {\n _balances[to] += batchSize;\n }\n }\n }\n\n /**\n * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is\n * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`.\n * - When `from` is zero, the tokens were minted for `to`.\n * - When `to` is zero, ``from``'s tokens were burned.\n * - `from` and `to` are never both zero.\n * - `batchSize` is non-zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 firstTokenId,\n uint256 batchSize\n ) internal virtual {}\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[44] private __gap;\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721URIStorageUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/extensions/ERC721URIStorage.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../ERC721Upgradeable.sol\";\nimport \"../../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev ERC721 token with storage based token URI management.\n */\nabstract contract ERC721URIStorageUpgradeable is Initializable, ERC721Upgradeable {\n function __ERC721URIStorage_init() internal onlyInitializing {\n }\n\n function __ERC721URIStorage_init_unchained() internal onlyInitializing {\n }\n using StringsUpgradeable for uint256;\n\n // Optional mapping for token URIs\n mapping(uint256 => string) private _tokenURIs;\n\n /**\n * @dev See {IERC721Metadata-tokenURI}.\n */\n function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n _requireMinted(tokenId);\n\n string memory _tokenURI = _tokenURIs[tokenId];\n string memory base = _baseURI();\n\n // If there is no base URI, return the token URI.\n if (bytes(base).length == 0) {\n return _tokenURI;\n }\n // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).\n if (bytes(_tokenURI).length > 0) {\n return string(abi.encodePacked(base, _tokenURI));\n }\n\n return super.tokenURI(tokenId);\n }\n\n /**\n * @dev Sets `_tokenURI` as the tokenURI of `tokenId`.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {\n require(_exists(tokenId), \"ERC721URIStorage: URI set of nonexistent token\");\n _tokenURIs[tokenId] = _tokenURI;\n }\n\n /**\n * @dev See {ERC721-_burn}. This override additionally checks to see if a\n * token-specific URI was set for the token, and if so, it deletes the token URI from\n * the storage mapping.\n */\n function _burn(uint256 tokenId) internal virtual override {\n super._burn(tokenId);\n\n if (bytes(_tokenURIs[tokenId]).length != 0) {\n delete _tokenURIs[tokenId];\n }\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[49] private __gap;\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721VotesUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Votes.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../ERC721Upgradeable.sol\";\nimport \"../../../governance/utils/VotesUpgradeable.sol\";\nimport \"../../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Extension of ERC721 to support voting and delegation as implemented by {Votes}, where each individual NFT counts\n * as 1 vote unit.\n *\n * Tokens do not count as votes until they are delegated, because votes must be tracked which incurs an additional cost\n * on every transfer. Token holders can either delegate to a trusted representative who will decide how to make use of\n * the votes in governance decisions, or they can delegate to themselves to be their own representative.\n *\n * _Available since v4.5._\n */\nabstract contract ERC721VotesUpgradeable is Initializable, ERC721Upgradeable, VotesUpgradeable {\n function __ERC721Votes_init() internal onlyInitializing {\n }\n\n function __ERC721Votes_init_unchained() internal onlyInitializing {\n }\n /**\n * @dev See {ERC721-_afterTokenTransfer}. Adjusts votes when tokens are transferred.\n *\n * Emits a {IVotes-DelegateVotesChanged} event.\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 firstTokenId,\n uint256 batchSize\n ) internal virtual override {\n _transferVotingUnits(from, to, batchSize);\n super._afterTokenTransfer(from, to, firstTokenId, batchSize);\n }\n\n /**\n * @dev Returns the balance of `account`.\n */\n function _getVotingUnits(address account) internal view virtual override returns (uint256) {\n return balanceOf(account);\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC721Upgradeable.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721MetadataUpgradeable is IERC721Upgradeable {\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721ReceiverUpgradeable {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n"
},
"@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165Upgradeable.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721Upgradeable is IERC165Upgradeable {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721\n * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must\n * understand this adds an external call which potentially creates a reentrancy vulnerability.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n *\n * _Available since v4.8._\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n if (success) {\n if (returndata.length == 0) {\n // only check isContract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n require(isContract(target), \"Address: call to non-contract\");\n }\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason or using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n function _revert(bytes memory returndata, string memory errorMessage) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/CheckpointsUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/Checkpoints.sol)\n// This file was procedurally generated from scripts/generate/templates/Checkpoints.js.\n\npragma solidity ^0.8.0;\n\nimport \"./math/MathUpgradeable.sol\";\nimport \"./math/SafeCastUpgradeable.sol\";\n\n/**\n * @dev This library defines the `History` struct, for checkpointing values as they change at different points in\n * time, and later looking up past values by block number. See {Votes} as an example.\n *\n * To create a history of checkpoints define a variable type `Checkpoints.History` in your contract, and store a new\n * checkpoint for the current transaction block using the {push} function.\n *\n * _Available since v4.5._\n */\nlibrary CheckpointsUpgradeable {\n struct History {\n Checkpoint[] _checkpoints;\n }\n\n struct Checkpoint {\n uint32 _blockNumber;\n uint224 _value;\n }\n\n /**\n * @dev Returns the value at a given block number. If a checkpoint is not available at that block, the closest one\n * before it is returned, or zero otherwise.\n */\n function getAtBlock(History storage self, uint256 blockNumber) internal view returns (uint256) {\n require(blockNumber < block.number, \"Checkpoints: block not yet mined\");\n uint32 key = SafeCastUpgradeable.toUint32(blockNumber);\n\n uint256 len = self._checkpoints.length;\n uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len);\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /**\n * @dev Returns the value at a given block number. If a checkpoint is not available at that block, the closest one\n * before it is returned, or zero otherwise. Similar to {upperLookup} but optimized for the case when the searched\n * checkpoint is probably \"recent\", defined as being among the last sqrt(N) checkpoints where N is the number of\n * checkpoints.\n */\n function getAtProbablyRecentBlock(History storage self, uint256 blockNumber) internal view returns (uint256) {\n require(blockNumber < block.number, \"Checkpoints: block not yet mined\");\n uint32 key = SafeCastUpgradeable.toUint32(blockNumber);\n\n uint256 len = self._checkpoints.length;\n\n uint256 low = 0;\n uint256 high = len;\n\n if (len > 5) {\n uint256 mid = len - MathUpgradeable.sqrt(len);\n if (key < _unsafeAccess(self._checkpoints, mid)._blockNumber) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n\n uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high);\n\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /**\n * @dev Pushes a value onto a History so that it is stored as the checkpoint for the current block.\n *\n * Returns previous value and new value.\n */\n function push(History storage self, uint256 value) internal returns (uint256, uint256) {\n return _insert(self._checkpoints, SafeCastUpgradeable.toUint32(block.number), SafeCastUpgradeable.toUint224(value));\n }\n\n /**\n * @dev Pushes a value onto a History, by updating the latest value using binary operation `op`. The new value will\n * be set to `op(latest, delta)`.\n *\n * Returns previous value and new value.\n */\n function push(\n History storage self,\n function(uint256, uint256) view returns (uint256) op,\n uint256 delta\n ) internal returns (uint256, uint256) {\n return push(self, op(latest(self), delta));\n }\n\n /**\n * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints.\n */\n function latest(History storage self) internal view returns (uint224) {\n uint256 pos = self._checkpoints.length;\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /**\n * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value\n * in the most recent checkpoint.\n */\n function latestCheckpoint(History storage self)\n internal\n view\n returns (\n bool exists,\n uint32 _blockNumber,\n uint224 _value\n )\n {\n uint256 pos = self._checkpoints.length;\n if (pos == 0) {\n return (false, 0, 0);\n } else {\n Checkpoint memory ckpt = _unsafeAccess(self._checkpoints, pos - 1);\n return (true, ckpt._blockNumber, ckpt._value);\n }\n }\n\n /**\n * @dev Returns the number of checkpoint.\n */\n function length(History storage self) internal view returns (uint256) {\n return self._checkpoints.length;\n }\n\n /**\n * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint,\n * or by updating the last one.\n */\n function _insert(\n Checkpoint[] storage self,\n uint32 key,\n uint224 value\n ) private returns (uint224, uint224) {\n uint256 pos = self.length;\n\n if (pos > 0) {\n // Copying to memory is important here.\n Checkpoint memory last = _unsafeAccess(self, pos - 1);\n\n // Checkpoints keys must be increasing.\n require(last._blockNumber <= key, \"Checkpoint: invalid key\");\n\n // Update or push new checkpoint\n if (last._blockNumber == key) {\n _unsafeAccess(self, pos - 1)._value = value;\n } else {\n self.push(Checkpoint({_blockNumber: key, _value: value}));\n }\n return (last._value, value);\n } else {\n self.push(Checkpoint({_blockNumber: key, _value: value}));\n return (0, value);\n }\n }\n\n /**\n * @dev Return the index of the oldest checkpoint whose key is greater than the search key, or `high` if there is none.\n * `low` and `high` define a section where to do the search, with inclusive `low` and exclusive `high`.\n *\n * WARNING: `high` should not be greater than the array's length.\n */\n function _upperBinaryLookup(\n Checkpoint[] storage self,\n uint32 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = MathUpgradeable.average(low, high);\n if (_unsafeAccess(self, mid)._blockNumber > key) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n return high;\n }\n\n /**\n * @dev Return the index of the oldest checkpoint whose key is greater or equal than the search key, or `high` if there is none.\n * `low` and `high` define a section where to do the search, with inclusive `low` and exclusive `high`.\n *\n * WARNING: `high` should not be greater than the array's length.\n */\n function _lowerBinaryLookup(\n Checkpoint[] storage self,\n uint32 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = MathUpgradeable.average(low, high);\n if (_unsafeAccess(self, mid)._blockNumber < key) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n\n function _unsafeAccess(Checkpoint[] storage self, uint256 pos) private pure returns (Checkpoint storage result) {\n assembly {\n mstore(0, self.slot)\n result.slot := add(keccak256(0, 0x20), pos)\n }\n }\n\n struct Trace224 {\n Checkpoint224[] _checkpoints;\n }\n\n struct Checkpoint224 {\n uint32 _key;\n uint224 _value;\n }\n\n /**\n * @dev Pushes a (`key`, `value`) pair into a Trace224 so that it is stored as the checkpoint.\n *\n * Returns previous value and new value.\n */\n function push(\n Trace224 storage self,\n uint32 key,\n uint224 value\n ) internal returns (uint224, uint224) {\n return _insert(self._checkpoints, key, value);\n }\n\n /**\n * @dev Returns the value in the oldest checkpoint with key greater or equal than the search key, or zero if there is none.\n */\n function lowerLookup(Trace224 storage self, uint32 key) internal view returns (uint224) {\n uint256 len = self._checkpoints.length;\n uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len);\n return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value;\n }\n\n /**\n * @dev Returns the value in the most recent checkpoint with key lower or equal than the search key.\n */\n function upperLookup(Trace224 storage self, uint32 key) internal view returns (uint224) {\n uint256 len = self._checkpoints.length;\n uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len);\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /**\n * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints.\n */\n function latest(Trace224 storage self) internal view returns (uint224) {\n uint256 pos = self._checkpoints.length;\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /**\n * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value\n * in the most recent checkpoint.\n */\n function latestCheckpoint(Trace224 storage self)\n internal\n view\n returns (\n bool exists,\n uint32 _key,\n uint224 _value\n )\n {\n uint256 pos = self._checkpoints.length;\n if (pos == 0) {\n return (false, 0, 0);\n } else {\n Checkpoint224 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1);\n return (true, ckpt._key, ckpt._value);\n }\n }\n\n /**\n * @dev Returns the number of checkpoint.\n */\n function length(Trace224 storage self) internal view returns (uint256) {\n return self._checkpoints.length;\n }\n\n /**\n * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint,\n * or by updating the last one.\n */\n function _insert(\n Checkpoint224[] storage self,\n uint32 key,\n uint224 value\n ) private returns (uint224, uint224) {\n uint256 pos = self.length;\n\n if (pos > 0) {\n // Copying to memory is important here.\n Checkpoint224 memory last = _unsafeAccess(self, pos - 1);\n\n // Checkpoints keys must be increasing.\n require(last._key <= key, \"Checkpoint: invalid key\");\n\n // Update or push new checkpoint\n if (last._key == key) {\n _unsafeAccess(self, pos - 1)._value = value;\n } else {\n self.push(Checkpoint224({_key: key, _value: value}));\n }\n return (last._value, value);\n } else {\n self.push(Checkpoint224({_key: key, _value: value}));\n return (0, value);\n }\n }\n\n /**\n * @dev Return the index of the oldest checkpoint whose key is greater than the search key, or `high` if there is none.\n * `low` and `high` define a section where to do the search, with inclusive `low` and exclusive `high`.\n *\n * WARNING: `high` should not be greater than the array's length.\n */\n function _upperBinaryLookup(\n Checkpoint224[] storage self,\n uint32 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = MathUpgradeable.average(low, high);\n if (_unsafeAccess(self, mid)._key > key) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n return high;\n }\n\n /**\n * @dev Return the index of the oldest checkpoint whose key is greater or equal than the search key, or `high` if there is none.\n * `low` and `high` define a section where to do the search, with inclusive `low` and exclusive `high`.\n *\n * WARNING: `high` should not be greater than the array's length.\n */\n function _lowerBinaryLookup(\n Checkpoint224[] storage self,\n uint32 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = MathUpgradeable.average(low, high);\n if (_unsafeAccess(self, mid)._key < key) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n\n function _unsafeAccess(Checkpoint224[] storage self, uint256 pos)\n private\n pure\n returns (Checkpoint224 storage result)\n {\n assembly {\n mstore(0, self.slot)\n result.slot := add(keccak256(0, 0x20), pos)\n }\n }\n\n struct Trace160 {\n Checkpoint160[] _checkpoints;\n }\n\n struct Checkpoint160 {\n uint96 _key;\n uint160 _value;\n }\n\n /**\n * @dev Pushes a (`key`, `value`) pair into a Trace160 so that it is stored as the checkpoint.\n *\n * Returns previous value and new value.\n */\n function push(\n Trace160 storage self,\n uint96 key,\n uint160 value\n ) internal returns (uint160, uint160) {\n return _insert(self._checkpoints, key, value);\n }\n\n /**\n * @dev Returns the value in the oldest checkpoint with key greater or equal than the search key, or zero if there is none.\n */\n function lowerLookup(Trace160 storage self, uint96 key) internal view returns (uint160) {\n uint256 len = self._checkpoints.length;\n uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len);\n return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value;\n }\n\n /**\n * @dev Returns the value in the most recent checkpoint with key lower or equal than the search key.\n */\n function upperLookup(Trace160 storage self, uint96 key) internal view returns (uint160) {\n uint256 len = self._checkpoints.length;\n uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len);\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /**\n * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints.\n */\n function latest(Trace160 storage self) internal view returns (uint160) {\n uint256 pos = self._checkpoints.length;\n return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value;\n }\n\n /**\n * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value\n * in the most recent checkpoint.\n */\n function latestCheckpoint(Trace160 storage self)\n internal\n view\n returns (\n bool exists,\n uint96 _key,\n uint160 _value\n )\n {\n uint256 pos = self._checkpoints.length;\n if (pos == 0) {\n return (false, 0, 0);\n } else {\n Checkpoint160 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1);\n return (true, ckpt._key, ckpt._value);\n }\n }\n\n /**\n * @dev Returns the number of checkpoint.\n */\n function length(Trace160 storage self) internal view returns (uint256) {\n return self._checkpoints.length;\n }\n\n /**\n * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint,\n * or by updating the last one.\n */\n function _insert(\n Checkpoint160[] storage self,\n uint96 key,\n uint160 value\n ) private returns (uint160, uint160) {\n uint256 pos = self.length;\n\n if (pos > 0) {\n // Copying to memory is important here.\n Checkpoint160 memory last = _unsafeAccess(self, pos - 1);\n\n // Checkpoints keys must be increasing.\n require(last._key <= key, \"Checkpoint: invalid key\");\n\n // Update or push new checkpoint\n if (last._key == key) {\n _unsafeAccess(self, pos - 1)._value = value;\n } else {\n self.push(Checkpoint160({_key: key, _value: value}));\n }\n return (last._value, value);\n } else {\n self.push(Checkpoint160({_key: key, _value: value}));\n return (0, value);\n }\n }\n\n /**\n * @dev Return the index of the oldest checkpoint whose key is greater than the search key, or `high` if there is none.\n * `low` and `high` define a section where to do the search, with inclusive `low` and exclusive `high`.\n *\n * WARNING: `high` should not be greater than the array's length.\n */\n function _upperBinaryLookup(\n Checkpoint160[] storage self,\n uint96 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = MathUpgradeable.average(low, high);\n if (_unsafeAccess(self, mid)._key > key) {\n high = mid;\n } else {\n low = mid + 1;\n }\n }\n return high;\n }\n\n /**\n * @dev Return the index of the oldest checkpoint whose key is greater or equal than the search key, or `high` if there is none.\n * `low` and `high` define a section where to do the search, with inclusive `low` and exclusive `high`.\n *\n * WARNING: `high` should not be greater than the array's length.\n */\n function _lowerBinaryLookup(\n Checkpoint160[] storage self,\n uint96 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = MathUpgradeable.average(low, high);\n if (_unsafeAccess(self, mid)._key < key) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n\n function _unsafeAccess(Checkpoint160[] storage self, uint256 pos)\n private\n pure\n returns (Checkpoint160 storage result)\n {\n assembly {\n mstore(0, self.slot)\n result.slot := add(keccak256(0, 0x20), pos)\n }\n }\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract ContextUpgradeable is Initializable {\n function __Context_init() internal onlyInitializing {\n }\n\n function __Context_init_unchained() internal onlyInitializing {\n }\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/CountersUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Counters.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title Counters\n * @author Matt Condon (@shrugs)\n * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number\n * of elements in a mapping, issuing ERC721 ids, or counting request ids.\n *\n * Include with `using Counters for Counters.Counter;`\n */\nlibrary CountersUpgradeable {\n struct Counter {\n // This variable should never be directly accessed by users of the library: interactions must be restricted to\n // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add\n // this feature: see https://github.com/ethereum/solidity/issues/4637\n uint256 _value; // default: 0\n }\n\n function current(Counter storage counter) internal view returns (uint256) {\n return counter._value;\n }\n\n function increment(Counter storage counter) internal {\n unchecked {\n counter._value += 1;\n }\n }\n\n function decrement(Counter storage counter) internal {\n uint256 value = counter._value;\n require(value > 0, \"Counter: decrement overflow\");\n unchecked {\n counter._value = value - 1;\n }\n }\n\n function reset(Counter storage counter) internal {\n counter._value = 0;\n }\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/cryptography/ECDSAUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../StringsUpgradeable.sol\";\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSAUpgradeable {\n enum RecoverError {\n NoError,\n InvalidSignature,\n InvalidSignatureLength,\n InvalidSignatureS,\n InvalidSignatureV // Deprecated in v4.8\n }\n\n function _throwError(RecoverError error) private pure {\n if (error == RecoverError.NoError) {\n return; // no error: do nothing\n } else if (error == RecoverError.InvalidSignature) {\n revert(\"ECDSA: invalid signature\");\n } else if (error == RecoverError.InvalidSignatureLength) {\n revert(\"ECDSA: invalid signature length\");\n } else if (error == RecoverError.InvalidSignatureS) {\n revert(\"ECDSA: invalid signature 's' value\");\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature` or error string. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n *\n * Documentation for signature generation:\n * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n *\n * _Available since v4.3._\n */\n function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {\n if (signature.length == 65) {\n bytes32 r;\n bytes32 s;\n uint8 v;\n // ecrecover takes the signature parameters, and the only way to get them\n // currently is to use assembly.\n /// @solidity memory-safe-assembly\n assembly {\n r := mload(add(signature, 0x20))\n s := mload(add(signature, 0x40))\n v := byte(0, mload(add(signature, 0x60)))\n }\n return tryRecover(hash, v, r, s);\n } else {\n return (address(0), RecoverError.InvalidSignatureLength);\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature`. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n */\n function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, signature);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n *\n * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n *\n * _Available since v4.3._\n */\n function tryRecover(\n bytes32 hash,\n bytes32 r,\n bytes32 vs\n ) internal pure returns (address, RecoverError) {\n bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n uint8 v = uint8((uint256(vs) >> 255) + 27);\n return tryRecover(hash, v, r, s);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n *\n * _Available since v4.2._\n */\n function recover(\n bytes32 hash,\n bytes32 r,\n bytes32 vs\n ) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, r, vs);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n * `r` and `s` signature fields separately.\n *\n * _Available since v4.3._\n */\n function tryRecover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address, RecoverError) {\n // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n //\n // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n // these malleable signatures as well.\n if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n return (address(0), RecoverError.InvalidSignatureS);\n }\n\n // If the signature is valid (and not malleable), return the signer address\n address signer = ecrecover(hash, v, r, s);\n if (signer == address(0)) {\n return (address(0), RecoverError.InvalidSignature);\n }\n\n return (signer, RecoverError.NoError);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `v`,\n * `r` and `s` signature fields separately.\n */\n function recover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, v, r, s);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from a `hash`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */\n function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {\n // 32 is the length in bytes of hash,\n // enforced by the type signature above\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n32\", hash));\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from `s`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */\n function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n\", StringsUpgradeable.toString(s.length), s));\n }\n\n /**\n * @dev Returns an Ethereum Signed Typed Data, created from a\n * `domainSeparator` and a `structHash`. This produces hash corresponding\n * to the one signed with the\n * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]\n * JSON-RPC method as part of EIP-712.\n *\n * See {recover}.\n */\n function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19\\x01\", domainSeparator, structHash));\n }\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/cryptography/EIP712Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/EIP712.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./ECDSAUpgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.\n *\n * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,\n * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding\n * they need in their contracts using a combination of `abi.encode` and `keccak256`.\n *\n * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding\n * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA\n * ({_hashTypedDataV4}).\n *\n * The implementation of the domain separator was designed to be as efficient as possible while still properly updating\n * the chain id to protect against replay attacks on an eventual fork of the chain.\n *\n * NOTE: This contract implements the version of the encoding known as \"v4\", as implemented by the JSON RPC method\n * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].\n *\n * _Available since v3.4._\n *\n * @custom:storage-size 52\n */\nabstract contract EIP712Upgradeable is Initializable {\n /* solhint-disable var-name-mixedcase */\n bytes32 private _HASHED_NAME;\n bytes32 private _HASHED_VERSION;\n bytes32 private constant _TYPE_HASH = keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\");\n\n /* solhint-enable var-name-mixedcase */\n\n /**\n * @dev Initializes the domain separator and parameter caches.\n *\n * The meaning of `name` and `version` is specified in\n * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:\n *\n * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.\n * - `version`: the current major version of the signing domain.\n *\n * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart\n * contract upgrade].\n */\n function __EIP712_init(string memory name, string memory version) internal onlyInitializing {\n __EIP712_init_unchained(name, version);\n }\n\n function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing {\n bytes32 hashedName = keccak256(bytes(name));\n bytes32 hashedVersion = keccak256(bytes(version));\n _HASHED_NAME = hashedName;\n _HASHED_VERSION = hashedVersion;\n }\n\n /**\n * @dev Returns the domain separator for the current chain.\n */\n function _domainSeparatorV4() internal view returns (bytes32) {\n return _buildDomainSeparator(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash());\n }\n\n function _buildDomainSeparator(\n bytes32 typeHash,\n bytes32 nameHash,\n bytes32 versionHash\n ) private view returns (bytes32) {\n return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, address(this)));\n }\n\n /**\n * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this\n * function returns the hash of the fully encoded EIP712 message for this domain.\n *\n * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:\n *\n * ```solidity\n * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(\n * keccak256(\"Mail(address to,string contents)\"),\n * mailTo,\n * keccak256(bytes(mailContents))\n * )));\n * address signer = ECDSA.recover(digest, signature);\n * ```\n */\n function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {\n return ECDSAUpgradeable.toTypedDataHash(_domainSeparatorV4(), structHash);\n }\n\n /**\n * @dev The hash of the name parameter for the EIP712 domain.\n *\n * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs\n * are a concern.\n */\n function _EIP712NameHash() internal virtual view returns (bytes32) {\n return _HASHED_NAME;\n }\n\n /**\n * @dev The hash of the version parameter for the EIP712 domain.\n *\n * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs\n * are a concern.\n */\n function _EIP712VersionHash() internal virtual view returns (bytes32) {\n return _HASHED_VERSION;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165Upgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {\n function __ERC165_init() internal onlyInitializing {\n }\n\n function __ERC165_init_unchained() internal onlyInitializing {\n }\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165Upgradeable).interfaceId;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/introspection/IERC165Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165Upgradeable {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/math/MathUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary MathUpgradeable {\n enum Rounding {\n Down, // Toward negative infinity\n Up, // Toward infinity\n Zero // Toward zero\n }\n\n /**\n * @dev Returns the largest of two numbers.\n */\n function max(uint256 a, uint256 b) internal pure returns (uint256) {\n return a > b ? a : b;\n }\n\n /**\n * @dev Returns the smallest of two numbers.\n */\n function min(uint256 a, uint256 b) internal pure returns (uint256) {\n return a < b ? a : b;\n }\n\n /**\n * @dev Returns the average of two numbers. The result is rounded towards\n * zero.\n */\n function average(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b) / 2 can overflow.\n return (a & b) + (a ^ b) / 2;\n }\n\n /**\n * @dev Returns the ceiling of the division of two numbers.\n *\n * This differs from standard division with `/` in that it rounds up instead\n * of rounding down.\n */\n function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b - 1) / b can overflow on addition, so we distribute.\n return a == 0 ? 0 : (a - 1) / b + 1;\n }\n\n /**\n * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0\n * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)\n * with further edits by Uniswap Labs also under MIT license.\n */\n function mulDiv(\n uint256 x,\n uint256 y,\n uint256 denominator\n ) internal pure returns (uint256 result) {\n unchecked {\n // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use\n // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n // variables such that product = prod1 * 2^256 + prod0.\n uint256 prod0; // Least significant 256 bits of the product\n uint256 prod1; // Most significant 256 bits of the product\n assembly {\n let mm := mulmod(x, y, not(0))\n prod0 := mul(x, y)\n prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n }\n\n // Handle non-overflow cases, 256 by 256 division.\n if (prod1 == 0) {\n return prod0 / denominator;\n }\n\n // Make sure the result is less than 2^256. Also prevents denominator == 0.\n require(denominator > prod1);\n\n ///////////////////////////////////////////////\n // 512 by 256 division.\n ///////////////////////////////////////////////\n\n // Make division exact by subtracting the remainder from [prod1 prod0].\n uint256 remainder;\n assembly {\n // Compute remainder using mulmod.\n remainder := mulmod(x, y, denominator)\n\n // Subtract 256 bit number from 512 bit number.\n prod1 := sub(prod1, gt(remainder, prod0))\n prod0 := sub(prod0, remainder)\n }\n\n // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.\n // See https://cs.stackexchange.com/q/138556/92363.\n\n // Does not overflow because the denominator cannot be zero at this stage in the function.\n uint256 twos = denominator & (~denominator + 1);\n assembly {\n // Divide denominator by twos.\n denominator := div(denominator, twos)\n\n // Divide [prod1 prod0] by twos.\n prod0 := div(prod0, twos)\n\n // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.\n twos := add(div(sub(0, twos), twos), 1)\n }\n\n // Shift in bits from prod1 into prod0.\n prod0 |= prod1 * twos;\n\n // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such\n // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for\n // four bits. That is, denominator * inv = 1 mod 2^4.\n uint256 inverse = (3 * denominator) ^ 2;\n\n // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works\n // in modular arithmetic, doubling the correct bits in each step.\n inverse *= 2 - denominator * inverse; // inverse mod 2^8\n inverse *= 2 - denominator * inverse; // inverse mod 2^16\n inverse *= 2 - denominator * inverse; // inverse mod 2^32\n inverse *= 2 - denominator * inverse; // inverse mod 2^64\n inverse *= 2 - denominator * inverse; // inverse mod 2^128\n inverse *= 2 - denominator * inverse; // inverse mod 2^256\n\n // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is\n // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1\n // is no longer required.\n result = prod0 * inverse;\n return result;\n }\n }\n\n /**\n * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.\n */\n function mulDiv(\n uint256 x,\n uint256 y,\n uint256 denominator,\n Rounding rounding\n ) internal pure returns (uint256) {\n uint256 result = mulDiv(x, y, denominator);\n if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {\n result += 1;\n }\n return result;\n }\n\n /**\n * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.\n *\n * Inspired by Henry S. Warren, Jr.'s \"Hacker's Delight\" (Chapter 11).\n */\n function sqrt(uint256 a) internal pure returns (uint256) {\n if (a == 0) {\n return 0;\n }\n\n // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.\n //\n // We know that the \"msb\" (most significant bit) of our target number `a` is a power of 2 such that we have\n // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.\n //\n // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`\n // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`\n // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`\n //\n // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.\n uint256 result = 1 << (log2(a) >> 1);\n\n // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,\n // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at\n // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision\n // into the expected uint128 result.\n unchecked {\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n return min(result, a / result);\n }\n }\n\n /**\n * @notice Calculates sqrt(a), following the selected rounding direction.\n */\n function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = sqrt(a);\n return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 2, rounded down, of a positive value.\n * Returns 0 if given 0.\n */\n function log2(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 128;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 64;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 32;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 16;\n }\n if (value >> 8 > 0) {\n value >>= 8;\n result += 8;\n }\n if (value >> 4 > 0) {\n value >>= 4;\n result += 4;\n }\n if (value >> 2 > 0) {\n value >>= 2;\n result += 2;\n }\n if (value >> 1 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /**\n * @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n */\n function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log2(value);\n return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 10, rounded down, of a positive value.\n * Returns 0 if given 0.\n */\n function log10(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >= 10**64) {\n value /= 10**64;\n result += 64;\n }\n if (value >= 10**32) {\n value /= 10**32;\n result += 32;\n }\n if (value >= 10**16) {\n value /= 10**16;\n result += 16;\n }\n if (value >= 10**8) {\n value /= 10**8;\n result += 8;\n }\n if (value >= 10**4) {\n value /= 10**4;\n result += 4;\n }\n if (value >= 10**2) {\n value /= 10**2;\n result += 2;\n }\n if (value >= 10**1) {\n result += 1;\n }\n }\n return result;\n }\n\n /**\n * @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n */\n function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log10(value);\n return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 256, rounded down, of a positive value.\n * Returns 0 if given 0.\n *\n * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n */\n function log256(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 16;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 8;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 4;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 2;\n }\n if (value >> 8 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /**\n * @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n */\n function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log256(value);\n return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);\n }\n }\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/math/SafeCastUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SafeCast.sol)\n// This file was procedurally generated from scripts/generate/templates/SafeCast.js.\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow\n * checks.\n *\n * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can\n * easily result in undesired exploitation or bugs, since developers usually\n * assume that overflows raise errors. `SafeCast` restores this intuition by\n * reverting the transaction when such an operation overflows.\n *\n * Using this library instead of the unchecked operations eliminates an entire\n * class of bugs, so it's recommended to use it always.\n *\n * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing\n * all math on `uint256` and `int256` and then downcasting.\n */\nlibrary SafeCastUpgradeable {\n /**\n * @dev Returns the downcasted uint248 from uint256, reverting on\n * overflow (when the input is greater than largest uint248).\n *\n * Counterpart to Solidity's `uint248` operator.\n *\n * Requirements:\n *\n * - input must fit into 248 bits\n *\n * _Available since v4.7._\n */\n function toUint248(uint256 value) internal pure returns (uint248) {\n require(value <= type(uint248).max, \"SafeCast: value doesn't fit in 248 bits\");\n return uint248(value);\n }\n\n /**\n * @dev Returns the downcasted uint240 from uint256, reverting on\n * overflow (when the input is greater than largest uint240).\n *\n * Counterpart to Solidity's `uint240` operator.\n *\n * Requirements:\n *\n * - input must fit into 240 bits\n *\n * _Available since v4.7._\n */\n function toUint240(uint256 value) internal pure returns (uint240) {\n require(value <= type(uint240).max, \"SafeCast: value doesn't fit in 240 bits\");\n return uint240(value);\n }\n\n /**\n * @dev Returns the downcasted uint232 from uint256, reverting on\n * overflow (when the input is greater than largest uint232).\n *\n * Counterpart to Solidity's `uint232` operator.\n *\n * Requirements:\n *\n * - input must fit into 232 bits\n *\n * _Available since v4.7._\n */\n function toUint232(uint256 value) internal pure returns (uint232) {\n require(value <= type(uint232).max, \"SafeCast: value doesn't fit in 232 bits\");\n return uint232(value);\n }\n\n /**\n * @dev Returns the downcasted uint224 from uint256, reverting on\n * overflow (when the input is greater than largest uint224).\n *\n * Counterpart to Solidity's `uint224` operator.\n *\n * Requirements:\n *\n * - input must fit into 224 bits\n *\n * _Available since v4.2._\n */\n function toUint224(uint256 value) internal pure returns (uint224) {\n require(value <= type(uint224).max, \"SafeCast: value doesn't fit in 224 bits\");\n return uint224(value);\n }\n\n /**\n * @dev Returns the downcasted uint216 from uint256, reverting on\n * overflow (when the input is greater than largest uint216).\n *\n * Counterpart to Solidity's `uint216` operator.\n *\n * Requirements:\n *\n * - input must fit into 216 bits\n *\n * _Available since v4.7._\n */\n function toUint216(uint256 value) internal pure returns (uint216) {\n require(value <= type(uint216).max, \"SafeCast: value doesn't fit in 216 bits\");\n return uint216(value);\n }\n\n /**\n * @dev Returns the downcasted uint208 from uint256, reverting on\n * overflow (when the input is greater than largest uint208).\n *\n * Counterpart to Solidity's `uint208` operator.\n *\n * Requirements:\n *\n * - input must fit into 208 bits\n *\n * _Available since v4.7._\n */\n function toUint208(uint256 value) internal pure returns (uint208) {\n require(value <= type(uint208).max, \"SafeCast: value doesn't fit in 208 bits\");\n return uint208(value);\n }\n\n /**\n * @dev Returns the downcasted uint200 from uint256, reverting on\n * overflow (when the input is greater than largest uint200).\n *\n * Counterpart to Solidity's `uint200` operator.\n *\n * Requirements:\n *\n * - input must fit into 200 bits\n *\n * _Available since v4.7._\n */\n function toUint200(uint256 value) internal pure returns (uint200) {\n require(value <= type(uint200).max, \"SafeCast: value doesn't fit in 200 bits\");\n return uint200(value);\n }\n\n /**\n * @dev Returns the downcasted uint192 from uint256, reverting on\n * overflow (when the input is greater than largest uint192).\n *\n * Counterpart to Solidity's `uint192` operator.\n *\n * Requirements:\n *\n * - input must fit into 192 bits\n *\n * _Available since v4.7._\n */\n function toUint192(uint256 value) internal pure returns (uint192) {\n require(value <= type(uint192).max, \"SafeCast: value doesn't fit in 192 bits\");\n return uint192(value);\n }\n\n /**\n * @dev Returns the downcasted uint184 from uint256, reverting on\n * overflow (when the input is greater than largest uint184).\n *\n * Counterpart to Solidity's `uint184` operator.\n *\n * Requirements:\n *\n * - input must fit into 184 bits\n *\n * _Available since v4.7._\n */\n function toUint184(uint256 value) internal pure returns (uint184) {\n require(value <= type(uint184).max, \"SafeCast: value doesn't fit in 184 bits\");\n return uint184(value);\n }\n\n /**\n * @dev Returns the downcasted uint176 from uint256, reverting on\n * overflow (when the input is greater than largest uint176).\n *\n * Counterpart to Solidity's `uint176` operator.\n *\n * Requirements:\n *\n * - input must fit into 176 bits\n *\n * _Available since v4.7._\n */\n function toUint176(uint256 value) internal pure returns (uint176) {\n require(value <= type(uint176).max, \"SafeCast: value doesn't fit in 176 bits\");\n return uint176(value);\n }\n\n /**\n * @dev Returns the downcasted uint168 from uint256, reverting on\n * overflow (when the input is greater than largest uint168).\n *\n * Counterpart to Solidity's `uint168` operator.\n *\n * Requirements:\n *\n * - input must fit into 168 bits\n *\n * _Available since v4.7._\n */\n function toUint168(uint256 value) internal pure returns (uint168) {\n require(value <= type(uint168).max, \"SafeCast: value doesn't fit in 168 bits\");\n return uint168(value);\n }\n\n /**\n * @dev Returns the downcasted uint160 from uint256, reverting on\n * overflow (when the input is greater than largest uint160).\n *\n * Counterpart to Solidity's `uint160` operator.\n *\n * Requirements:\n *\n * - input must fit into 160 bits\n *\n * _Available since v4.7._\n */\n function toUint160(uint256 value) internal pure returns (uint160) {\n require(value <= type(uint160).max, \"SafeCast: value doesn't fit in 160 bits\");\n return uint160(value);\n }\n\n /**\n * @dev Returns the downcasted uint152 from uint256, reverting on\n * overflow (when the input is greater than largest uint152).\n *\n * Counterpart to Solidity's `uint152` operator.\n *\n * Requirements:\n *\n * - input must fit into 152 bits\n *\n * _Available since v4.7._\n */\n function toUint152(uint256 value) internal pure returns (uint152) {\n require(value <= type(uint152).max, \"SafeCast: value doesn't fit in 152 bits\");\n return uint152(value);\n }\n\n /**\n * @dev Returns the downcasted uint144 from uint256, reverting on\n * overflow (when the input is greater than largest uint144).\n *\n * Counterpart to Solidity's `uint144` operator.\n *\n * Requirements:\n *\n * - input must fit into 144 bits\n *\n * _Available since v4.7._\n */\n function toUint144(uint256 value) internal pure returns (uint144) {\n require(value <= type(uint144).max, \"SafeCast: value doesn't fit in 144 bits\");\n return uint144(value);\n }\n\n /**\n * @dev Returns the downcasted uint136 from uint256, reverting on\n * overflow (when the input is greater than largest uint136).\n *\n * Counterpart to Solidity's `uint136` operator.\n *\n * Requirements:\n *\n * - input must fit into 136 bits\n *\n * _Available since v4.7._\n */\n function toUint136(uint256 value) internal pure returns (uint136) {\n require(value <= type(uint136).max, \"SafeCast: value doesn't fit in 136 bits\");\n return uint136(value);\n }\n\n /**\n * @dev Returns the downcasted uint128 from uint256, reverting on\n * overflow (when the input is greater than largest uint128).\n *\n * Counterpart to Solidity's `uint128` operator.\n *\n * Requirements:\n *\n * - input must fit into 128 bits\n *\n * _Available since v2.5._\n */\n function toUint128(uint256 value) internal pure returns (uint128) {\n require(value <= type(uint128).max, \"SafeCast: value doesn't fit in 128 bits\");\n return uint128(value);\n }\n\n /**\n * @dev Returns the downcasted uint120 from uint256, reverting on\n * overflow (when the input is greater than largest uint120).\n *\n * Counterpart to Solidity's `uint120` operator.\n *\n * Requirements:\n *\n * - input must fit into 120 bits\n *\n * _Available since v4.7._\n */\n function toUint120(uint256 value) internal pure returns (uint120) {\n require(value <= type(uint120).max, \"SafeCast: value doesn't fit in 120 bits\");\n return uint120(value);\n }\n\n /**\n * @dev Returns the downcasted uint112 from uint256, reverting on\n * overflow (when the input is greater than largest uint112).\n *\n * Counterpart to Solidity's `uint112` operator.\n *\n * Requirements:\n *\n * - input must fit into 112 bits\n *\n * _Available since v4.7._\n */\n function toUint112(uint256 value) internal pure returns (uint112) {\n require(value <= type(uint112).max, \"SafeCast: value doesn't fit in 112 bits\");\n return uint112(value);\n }\n\n /**\n * @dev Returns the downcasted uint104 from uint256, reverting on\n * overflow (when the input is greater than largest uint104).\n *\n * Counterpart to Solidity's `uint104` operator.\n *\n * Requirements:\n *\n * - input must fit into 104 bits\n *\n * _Available since v4.7._\n */\n function toUint104(uint256 value) internal pure returns (uint104) {\n require(value <= type(uint104).max, \"SafeCast: value doesn't fit in 104 bits\");\n return uint104(value);\n }\n\n /**\n * @dev Returns the downcasted uint96 from uint256, reverting on\n * overflow (when the input is greater than largest uint96).\n *\n * Counterpart to Solidity's `uint96` operator.\n *\n * Requirements:\n *\n * - input must fit into 96 bits\n *\n * _Available since v4.2._\n */\n function toUint96(uint256 value) internal pure returns (uint96) {\n require(value <= type(uint96).max, \"SafeCast: value doesn't fit in 96 bits\");\n return uint96(value);\n }\n\n /**\n * @dev Returns the downcasted uint88 from uint256, reverting on\n * overflow (when the input is greater than largest uint88).\n *\n * Counterpart to Solidity's `uint88` operator.\n *\n * Requirements:\n *\n * - input must fit into 88 bits\n *\n * _Available since v4.7._\n */\n function toUint88(uint256 value) internal pure returns (uint88) {\n require(value <= type(uint88).max, \"SafeCast: value doesn't fit in 88 bits\");\n return uint88(value);\n }\n\n /**\n * @dev Returns the downcasted uint80 from uint256, reverting on\n * overflow (when the input is greater than largest uint80).\n *\n * Counterpart to Solidity's `uint80` operator.\n *\n * Requirements:\n *\n * - input must fit into 80 bits\n *\n * _Available since v4.7._\n */\n function toUint80(uint256 value) internal pure returns (uint80) {\n require(value <= type(uint80).max, \"SafeCast: value doesn't fit in 80 bits\");\n return uint80(value);\n }\n\n /**\n * @dev Returns the downcasted uint72 from uint256, reverting on\n * overflow (when the input is greater than largest uint72).\n *\n * Counterpart to Solidity's `uint72` operator.\n *\n * Requirements:\n *\n * - input must fit into 72 bits\n *\n * _Available since v4.7._\n */\n function toUint72(uint256 value) internal pure returns (uint72) {\n require(value <= type(uint72).max, \"SafeCast: value doesn't fit in 72 bits\");\n return uint72(value);\n }\n\n /**\n * @dev Returns the downcasted uint64 from uint256, reverting on\n * overflow (when the input is greater than largest uint64).\n *\n * Counterpart to Solidity's `uint64` operator.\n *\n * Requirements:\n *\n * - input must fit into 64 bits\n *\n * _Available since v2.5._\n */\n function toUint64(uint256 value) internal pure returns (uint64) {\n require(value <= type(uint64).max, \"SafeCast: value doesn't fit in 64 bits\");\n return uint64(value);\n }\n\n /**\n * @dev Returns the downcasted uint56 from uint256, reverting on\n * overflow (when the input is greater than largest uint56).\n *\n * Counterpart to Solidity's `uint56` operator.\n *\n * Requirements:\n *\n * - input must fit into 56 bits\n *\n * _Available since v4.7._\n */\n function toUint56(uint256 value) internal pure returns (uint56) {\n require(value <= type(uint56).max, \"SafeCast: value doesn't fit in 56 bits\");\n return uint56(value);\n }\n\n /**\n * @dev Returns the downcasted uint48 from uint256, reverting on\n * overflow (when the input is greater than largest uint48).\n *\n * Counterpart to Solidity's `uint48` operator.\n *\n * Requirements:\n *\n * - input must fit into 48 bits\n *\n * _Available since v4.7._\n */\n function toUint48(uint256 value) internal pure returns (uint48) {\n require(value <= type(uint48).max, \"SafeCast: value doesn't fit in 48 bits\");\n return uint48(value);\n }\n\n /**\n * @dev Returns the downcasted uint40 from uint256, reverting on\n * overflow (when the input is greater than largest uint40).\n *\n * Counterpart to Solidity's `uint40` operator.\n *\n * Requirements:\n *\n * - input must fit into 40 bits\n *\n * _Available since v4.7._\n */\n function toUint40(uint256 value) internal pure returns (uint40) {\n require(value <= type(uint40).max, \"SafeCast: value doesn't fit in 40 bits\");\n return uint40(value);\n }\n\n /**\n * @dev Returns the downcasted uint32 from uint256, reverting on\n * overflow (when the input is greater than largest uint32).\n *\n * Counterpart to Solidity's `uint32` operator.\n *\n * Requirements:\n *\n * - input must fit into 32 bits\n *\n * _Available since v2.5._\n */\n function toUint32(uint256 value) internal pure returns (uint32) {\n require(value <= type(uint32).max, \"SafeCast: value doesn't fit in 32 bits\");\n return uint32(value);\n }\n\n /**\n * @dev Returns the downcasted uint24 from uint256, reverting on\n * overflow (when the input is greater than largest uint24).\n *\n * Counterpart to Solidity's `uint24` operator.\n *\n * Requirements:\n *\n * - input must fit into 24 bits\n *\n * _Available since v4.7._\n */\n function toUint24(uint256 value) internal pure returns (uint24) {\n require(value <= type(uint24).max, \"SafeCast: value doesn't fit in 24 bits\");\n return uint24(value);\n }\n\n /**\n * @dev Returns the downcasted uint16 from uint256, reverting on\n * overflow (when the input is greater than largest uint16).\n *\n * Counterpart to Solidity's `uint16` operator.\n *\n * Requirements:\n *\n * - input must fit into 16 bits\n *\n * _Available since v2.5._\n */\n function toUint16(uint256 value) internal pure returns (uint16) {\n require(value <= type(uint16).max, \"SafeCast: value doesn't fit in 16 bits\");\n return uint16(value);\n }\n\n /**\n * @dev Returns the downcasted uint8 from uint256, reverting on\n * overflow (when the input is greater than largest uint8).\n *\n * Counterpart to Solidity's `uint8` operator.\n *\n * Requirements:\n *\n * - input must fit into 8 bits\n *\n * _Available since v2.5._\n */\n function toUint8(uint256 value) internal pure returns (uint8) {\n require(value <= type(uint8).max, \"SafeCast: value doesn't fit in 8 bits\");\n return uint8(value);\n }\n\n /**\n * @dev Converts a signed int256 into an unsigned uint256.\n *\n * Requirements:\n *\n * - input must be greater than or equal to 0.\n *\n * _Available since v3.0._\n */\n function toUint256(int256 value) internal pure returns (uint256) {\n require(value >= 0, \"SafeCast: value must be positive\");\n return uint256(value);\n }\n\n /**\n * @dev Returns the downcasted int248 from int256, reverting on\n * overflow (when the input is less than smallest int248 or\n * greater than largest int248).\n *\n * Counterpart to Solidity's `int248` operator.\n *\n * Requirements:\n *\n * - input must fit into 248 bits\n *\n * _Available since v4.7._\n */\n function toInt248(int256 value) internal pure returns (int248 downcasted) {\n downcasted = int248(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 248 bits\");\n }\n\n /**\n * @dev Returns the downcasted int240 from int256, reverting on\n * overflow (when the input is less than smallest int240 or\n * greater than largest int240).\n *\n * Counterpart to Solidity's `int240` operator.\n *\n * Requirements:\n *\n * - input must fit into 240 bits\n *\n * _Available since v4.7._\n */\n function toInt240(int256 value) internal pure returns (int240 downcasted) {\n downcasted = int240(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 240 bits\");\n }\n\n /**\n * @dev Returns the downcasted int232 from int256, reverting on\n * overflow (when the input is less than smallest int232 or\n * greater than largest int232).\n *\n * Counterpart to Solidity's `int232` operator.\n *\n * Requirements:\n *\n * - input must fit into 232 bits\n *\n * _Available since v4.7._\n */\n function toInt232(int256 value) internal pure returns (int232 downcasted) {\n downcasted = int232(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 232 bits\");\n }\n\n /**\n * @dev Returns the downcasted int224 from int256, reverting on\n * overflow (when the input is less than smallest int224 or\n * greater than largest int224).\n *\n * Counterpart to Solidity's `int224` operator.\n *\n * Requirements:\n *\n * - input must fit into 224 bits\n *\n * _Available since v4.7._\n */\n function toInt224(int256 value) internal pure returns (int224 downcasted) {\n downcasted = int224(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 224 bits\");\n }\n\n /**\n * @dev Returns the downcasted int216 from int256, reverting on\n * overflow (when the input is less than smallest int216 or\n * greater than largest int216).\n *\n * Counterpart to Solidity's `int216` operator.\n *\n * Requirements:\n *\n * - input must fit into 216 bits\n *\n * _Available since v4.7._\n */\n function toInt216(int256 value) internal pure returns (int216 downcasted) {\n downcasted = int216(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 216 bits\");\n }\n\n /**\n * @dev Returns the downcasted int208 from int256, reverting on\n * overflow (when the input is less than smallest int208 or\n * greater than largest int208).\n *\n * Counterpart to Solidity's `int208` operator.\n *\n * Requirements:\n *\n * - input must fit into 208 bits\n *\n * _Available since v4.7._\n */\n function toInt208(int256 value) internal pure returns (int208 downcasted) {\n downcasted = int208(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 208 bits\");\n }\n\n /**\n * @dev Returns the downcasted int200 from int256, reverting on\n * overflow (when the input is less than smallest int200 or\n * greater than largest int200).\n *\n * Counterpart to Solidity's `int200` operator.\n *\n * Requirements:\n *\n * - input must fit into 200 bits\n *\n * _Available since v4.7._\n */\n function toInt200(int256 value) internal pure returns (int200 downcasted) {\n downcasted = int200(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 200 bits\");\n }\n\n /**\n * @dev Returns the downcasted int192 from int256, reverting on\n * overflow (when the input is less than smallest int192 or\n * greater than largest int192).\n *\n * Counterpart to Solidity's `int192` operator.\n *\n * Requirements:\n *\n * - input must fit into 192 bits\n *\n * _Available since v4.7._\n */\n function toInt192(int256 value) internal pure returns (int192 downcasted) {\n downcasted = int192(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 192 bits\");\n }\n\n /**\n * @dev Returns the downcasted int184 from int256, reverting on\n * overflow (when the input is less than smallest int184 or\n * greater than largest int184).\n *\n * Counterpart to Solidity's `int184` operator.\n *\n * Requirements:\n *\n * - input must fit into 184 bits\n *\n * _Available since v4.7._\n */\n function toInt184(int256 value) internal pure returns (int184 downcasted) {\n downcasted = int184(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 184 bits\");\n }\n\n /**\n * @dev Returns the downcasted int176 from int256, reverting on\n * overflow (when the input is less than smallest int176 or\n * greater than largest int176).\n *\n * Counterpart to Solidity's `int176` operator.\n *\n * Requirements:\n *\n * - input must fit into 176 bits\n *\n * _Available since v4.7._\n */\n function toInt176(int256 value) internal pure returns (int176 downcasted) {\n downcasted = int176(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 176 bits\");\n }\n\n /**\n * @dev Returns the downcasted int168 from int256, reverting on\n * overflow (when the input is less than smallest int168 or\n * greater than largest int168).\n *\n * Counterpart to Solidity's `int168` operator.\n *\n * Requirements:\n *\n * - input must fit into 168 bits\n *\n * _Available since v4.7._\n */\n function toInt168(int256 value) internal pure returns (int168 downcasted) {\n downcasted = int168(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 168 bits\");\n }\n\n /**\n * @dev Returns the downcasted int160 from int256, reverting on\n * overflow (when the input is less than smallest int160 or\n * greater than largest int160).\n *\n * Counterpart to Solidity's `int160` operator.\n *\n * Requirements:\n *\n * - input must fit into 160 bits\n *\n * _Available since v4.7._\n */\n function toInt160(int256 value) internal pure returns (int160 downcasted) {\n downcasted = int160(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 160 bits\");\n }\n\n /**\n * @dev Returns the downcasted int152 from int256, reverting on\n * overflow (when the input is less than smallest int152 or\n * greater than largest int152).\n *\n * Counterpart to Solidity's `int152` operator.\n *\n * Requirements:\n *\n * - input must fit into 152 bits\n *\n * _Available since v4.7._\n */\n function toInt152(int256 value) internal pure returns (int152 downcasted) {\n downcasted = int152(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 152 bits\");\n }\n\n /**\n * @dev Returns the downcasted int144 from int256, reverting on\n * overflow (when the input is less than smallest int144 or\n * greater than largest int144).\n *\n * Counterpart to Solidity's `int144` operator.\n *\n * Requirements:\n *\n * - input must fit into 144 bits\n *\n * _Available since v4.7._\n */\n function toInt144(int256 value) internal pure returns (int144 downcasted) {\n downcasted = int144(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 144 bits\");\n }\n\n /**\n * @dev Returns the downcasted int136 from int256, reverting on\n * overflow (when the input is less than smallest int136 or\n * greater than largest int136).\n *\n * Counterpart to Solidity's `int136` operator.\n *\n * Requirements:\n *\n * - input must fit into 136 bits\n *\n * _Available since v4.7._\n */\n function toInt136(int256 value) internal pure returns (int136 downcasted) {\n downcasted = int136(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 136 bits\");\n }\n\n /**\n * @dev Returns the downcasted int128 from int256, reverting on\n * overflow (when the input is less than smallest int128 or\n * greater than largest int128).\n *\n * Counterpart to Solidity's `int128` operator.\n *\n * Requirements:\n *\n * - input must fit into 128 bits\n *\n * _Available since v3.1._\n */\n function toInt128(int256 value) internal pure returns (int128 downcasted) {\n downcasted = int128(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 128 bits\");\n }\n\n /**\n * @dev Returns the downcasted int120 from int256, reverting on\n * overflow (when the input is less than smallest int120 or\n * greater than largest int120).\n *\n * Counterpart to Solidity's `int120` operator.\n *\n * Requirements:\n *\n * - input must fit into 120 bits\n *\n * _Available since v4.7._\n */\n function toInt120(int256 value) internal pure returns (int120 downcasted) {\n downcasted = int120(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 120 bits\");\n }\n\n /**\n * @dev Returns the downcasted int112 from int256, reverting on\n * overflow (when the input is less than smallest int112 or\n * greater than largest int112).\n *\n * Counterpart to Solidity's `int112` operator.\n *\n * Requirements:\n *\n * - input must fit into 112 bits\n *\n * _Available since v4.7._\n */\n function toInt112(int256 value) internal pure returns (int112 downcasted) {\n downcasted = int112(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 112 bits\");\n }\n\n /**\n * @dev Returns the downcasted int104 from int256, reverting on\n * overflow (when the input is less than smallest int104 or\n * greater than largest int104).\n *\n * Counterpart to Solidity's `int104` operator.\n *\n * Requirements:\n *\n * - input must fit into 104 bits\n *\n * _Available since v4.7._\n */\n function toInt104(int256 value) internal pure returns (int104 downcasted) {\n downcasted = int104(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 104 bits\");\n }\n\n /**\n * @dev Returns the downcasted int96 from int256, reverting on\n * overflow (when the input is less than smallest int96 or\n * greater than largest int96).\n *\n * Counterpart to Solidity's `int96` operator.\n *\n * Requirements:\n *\n * - input must fit into 96 bits\n *\n * _Available since v4.7._\n */\n function toInt96(int256 value) internal pure returns (int96 downcasted) {\n downcasted = int96(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 96 bits\");\n }\n\n /**\n * @dev Returns the downcasted int88 from int256, reverting on\n * overflow (when the input is less than smallest int88 or\n * greater than largest int88).\n *\n * Counterpart to Solidity's `int88` operator.\n *\n * Requirements:\n *\n * - input must fit into 88 bits\n *\n * _Available since v4.7._\n */\n function toInt88(int256 value) internal pure returns (int88 downcasted) {\n downcasted = int88(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 88 bits\");\n }\n\n /**\n * @dev Returns the downcasted int80 from int256, reverting on\n * overflow (when the input is less than smallest int80 or\n * greater than largest int80).\n *\n * Counterpart to Solidity's `int80` operator.\n *\n * Requirements:\n *\n * - input must fit into 80 bits\n *\n * _Available since v4.7._\n */\n function toInt80(int256 value) internal pure returns (int80 downcasted) {\n downcasted = int80(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 80 bits\");\n }\n\n /**\n * @dev Returns the downcasted int72 from int256, reverting on\n * overflow (when the input is less than smallest int72 or\n * greater than largest int72).\n *\n * Counterpart to Solidity's `int72` operator.\n *\n * Requirements:\n *\n * - input must fit into 72 bits\n *\n * _Available since v4.7._\n */\n function toInt72(int256 value) internal pure returns (int72 downcasted) {\n downcasted = int72(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 72 bits\");\n }\n\n /**\n * @dev Returns the downcasted int64 from int256, reverting on\n * overflow (when the input is less than smallest int64 or\n * greater than largest int64).\n *\n * Counterpart to Solidity's `int64` operator.\n *\n * Requirements:\n *\n * - input must fit into 64 bits\n *\n * _Available since v3.1._\n */\n function toInt64(int256 value) internal pure returns (int64 downcasted) {\n downcasted = int64(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 64 bits\");\n }\n\n /**\n * @dev Returns the downcasted int56 from int256, reverting on\n * overflow (when the input is less than smallest int56 or\n * greater than largest int56).\n *\n * Counterpart to Solidity's `int56` operator.\n *\n * Requirements:\n *\n * - input must fit into 56 bits\n *\n * _Available since v4.7._\n */\n function toInt56(int256 value) internal pure returns (int56 downcasted) {\n downcasted = int56(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 56 bits\");\n }\n\n /**\n * @dev Returns the downcasted int48 from int256, reverting on\n * overflow (when the input is less than smallest int48 or\n * greater than largest int48).\n *\n * Counterpart to Solidity's `int48` operator.\n *\n * Requirements:\n *\n * - input must fit into 48 bits\n *\n * _Available since v4.7._\n */\n function toInt48(int256 value) internal pure returns (int48 downcasted) {\n downcasted = int48(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 48 bits\");\n }\n\n /**\n * @dev Returns the downcasted int40 from int256, reverting on\n * overflow (when the input is less than smallest int40 or\n * greater than largest int40).\n *\n * Counterpart to Solidity's `int40` operator.\n *\n * Requirements:\n *\n * - input must fit into 40 bits\n *\n * _Available since v4.7._\n */\n function toInt40(int256 value) internal pure returns (int40 downcasted) {\n downcasted = int40(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 40 bits\");\n }\n\n /**\n * @dev Returns the downcasted int32 from int256, reverting on\n * overflow (when the input is less than smallest int32 or\n * greater than largest int32).\n *\n * Counterpart to Solidity's `int32` operator.\n *\n * Requirements:\n *\n * - input must fit into 32 bits\n *\n * _Available since v3.1._\n */\n function toInt32(int256 value) internal pure returns (int32 downcasted) {\n downcasted = int32(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 32 bits\");\n }\n\n /**\n * @dev Returns the downcasted int24 from int256, reverting on\n * overflow (when the input is less than smallest int24 or\n * greater than largest int24).\n *\n * Counterpart to Solidity's `int24` operator.\n *\n * Requirements:\n *\n * - input must fit into 24 bits\n *\n * _Available since v4.7._\n */\n function toInt24(int256 value) internal pure returns (int24 downcasted) {\n downcasted = int24(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 24 bits\");\n }\n\n /**\n * @dev Returns the downcasted int16 from int256, reverting on\n * overflow (when the input is less than smallest int16 or\n * greater than largest int16).\n *\n * Counterpart to Solidity's `int16` operator.\n *\n * Requirements:\n *\n * - input must fit into 16 bits\n *\n * _Available since v3.1._\n */\n function toInt16(int256 value) internal pure returns (int16 downcasted) {\n downcasted = int16(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 16 bits\");\n }\n\n /**\n * @dev Returns the downcasted int8 from int256, reverting on\n * overflow (when the input is less than smallest int8 or\n * greater than largest int8).\n *\n * Counterpart to Solidity's `int8` operator.\n *\n * Requirements:\n *\n * - input must fit into 8 bits\n *\n * _Available since v3.1._\n */\n function toInt8(int256 value) internal pure returns (int8 downcasted) {\n downcasted = int8(value);\n require(downcasted == value, \"SafeCast: value doesn't fit in 8 bits\");\n }\n\n /**\n * @dev Converts an unsigned uint256 into a signed int256.\n *\n * Requirements:\n *\n * - input must be less than or equal to maxInt256.\n *\n * _Available since v3.0._\n */\n function toInt256(uint256 value) internal pure returns (int256) {\n // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive\n require(value <= uint256(type(int256).max), \"SafeCast: value doesn't fit in an int256\");\n return int256(value);\n }\n}\n"
},
"@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./math/MathUpgradeable.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary StringsUpgradeable {\n bytes16 private constant _SYMBOLS = \"0123456789abcdef\";\n uint8 private constant _ADDRESS_LENGTH = 20;\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n unchecked {\n uint256 length = MathUpgradeable.log10(value) + 1;\n string memory buffer = new string(length);\n uint256 ptr;\n /// @solidity memory-safe-assembly\n assembly {\n ptr := add(buffer, add(32, length))\n }\n while (true) {\n ptr--;\n /// @solidity memory-safe-assembly\n assembly {\n mstore8(ptr, byte(mod(value, 10), _SYMBOLS))\n }\n value /= 10;\n if (value == 0) break;\n }\n return buffer;\n }\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n */\n function toHexString(uint256 value) internal pure returns (string memory) {\n unchecked {\n return toHexString(value, MathUpgradeable.log256(value) + 1);\n }\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n\n /**\n * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n */\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n }\n}\n"
},
"@openzeppelin/contracts/governance/utils/IVotes.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (governance/utils/IVotes.sol)\npragma solidity ^0.8.0;\n\n/**\n * @dev Common interface for {ERC20Votes}, {ERC721Votes}, and other {Votes}-enabled contracts.\n *\n * _Available since v4.5._\n */\ninterface IVotes {\n /**\n * @dev Emitted when an account changes their delegate.\n */\n event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);\n\n /**\n * @dev Emitted when a token transfer or delegate change results in changes to a delegate's number of votes.\n */\n event DelegateVotesChanged(address indexed delegate, uint256 previousBalance, uint256 newBalance);\n\n /**\n * @dev Returns the current amount of votes that `account` has.\n */\n function getVotes(address account) external view returns (uint256);\n\n /**\n * @dev Returns the amount of votes that `account` had at the end of a past block (`blockNumber`).\n */\n function getPastVotes(address account, uint256 blockNumber) external view returns (uint256);\n\n /**\n * @dev Returns the total supply of votes available at the end of a past block (`blockNumber`).\n *\n * NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes.\n * Votes that have not been delegated are still part of total supply, even though they would not participate in a\n * vote.\n */\n function getPastTotalSupply(uint256 blockNumber) external view returns (uint256);\n\n /**\n * @dev Returns the delegate that `account` has chosen.\n */\n function delegates(address account) external view returns (address);\n\n /**\n * @dev Delegates votes from the sender to `delegatee`.\n */\n function delegate(address delegatee) external;\n\n /**\n * @dev Delegates votes from signer to `delegatee`.\n */\n function delegateBySig(\n address delegatee,\n uint256 nonce,\n uint256 expiry,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) external;\n}\n"
},
"@openzeppelin/contracts/proxy/Proxy.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM\n * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to\n * be specified by overriding the virtual {_implementation} function.\n *\n * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a\n * different contract through the {_delegate} function.\n *\n * The success and return data of the delegated call will be returned back to the caller of the proxy.\n */\nabstract contract Proxy {\n /**\n * @dev Delegates the current call to `implementation`.\n *\n * This function does not return to its internal call site, it will return directly to the external caller.\n */\n function _delegate(address implementation) internal virtual {\n assembly {\n // Copy msg.data. We take full control of memory in this inline assembly\n // block because it will not return to Solidity code. We overwrite the\n // Solidity scratch pad at memory position 0.\n calldatacopy(0, 0, calldatasize())\n\n // Call the implementation.\n // out and outsize are 0 because we don't know the size yet.\n let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)\n\n // Copy the returned data.\n returndatacopy(0, 0, returndatasize())\n\n switch result\n // delegatecall returns 0 on error.\n case 0 {\n revert(0, returndatasize())\n }\n default {\n return(0, returndatasize())\n }\n }\n }\n\n /**\n * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function\n * and {_fallback} should delegate.\n */\n function _implementation() internal view virtual returns (address);\n\n /**\n * @dev Delegates the current call to the address returned by `_implementation()`.\n *\n * This function does not return to its internal call site, it will return directly to the external caller.\n */\n function _fallback() internal virtual {\n _beforeFallback();\n _delegate(_implementation());\n }\n\n /**\n * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other\n * function in the contract matches the call data.\n */\n fallback() external payable virtual {\n _fallback();\n }\n\n /**\n * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data\n * is empty.\n */\n receive() external payable virtual {\n _fallback();\n }\n\n /**\n * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`\n * call, or as part of the Solidity `fallback` or `receive` functions.\n *\n * If overridden should call `super._beforeFallback()`.\n */\n function _beforeFallback() internal virtual {}\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155.sol\";\n\n/**\n * @dev Interface of the optional ERC1155MetadataExtension interface, as defined\n * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155MetadataURI is IERC1155 {\n /**\n * @dev Returns the URI for token type `id`.\n *\n * If the `\\{id\\}` substring is present in the URI, it must be replaced by\n * clients with the actual token type ID.\n */\n function uri(uint256 id) external view returns (string memory);\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/IERC1155.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155 is IERC165 {\n /**\n * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n */\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /**\n * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n */\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /**\n * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n */\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /**\n * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n *\n * If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n */\n event URI(string value, uint256 indexed id);\n\n /**\n * @dev Returns the amount of tokens of token type `id` owned by `account`.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /**\n * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n *\n * Emits an {ApprovalForAll} event.\n *\n * Requirements:\n *\n * - `operator` cannot be the caller.\n */\n function setApprovalForAll(address operator, bool approved) external;\n\n /**\n * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n"
},
"@openzeppelin/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n"
},
"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Metadata is IERC721 {\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n"
},
"@openzeppelin/contracts/token/ERC721/IERC721.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721\n * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must\n * understand this adds an external call which potentially creates a reentrancy vulnerability.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n"
},
"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"contracts/beacon/N2MERC1155Upgradeable.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * ----------------------------------------------------------------------------- */\n\n// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"./N2MUpgradeable.sol\";\n\ncontract N2MERC1155Upgradeable is N2MUpgradeable {\n constructor(address factoryAddress) N2MUpgradeable(factoryAddress) {}\n\n function _implementation() internal view override returns (address) {\n return IN2MBeaconFactory(FACTORY_ADDRESS).getERC1155Implementation();\n }\n}\n"
},
"contracts/beacon/N2MERC721Upgradeable.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"./N2MUpgradeable.sol\";\n\ncontract N2MERC721Upgradeable is N2MUpgradeable {\n constructor(address factoryAddress) N2MUpgradeable(factoryAddress) {}\n\n function _implementation() internal view override returns (address) {\n return IN2MBeaconFactory(FACTORY_ADDRESS).getERC721Implementation();\n }\n}\n"
},
"contracts/beacon/N2MUpgradeable.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@nfts2me/contracts/important/README.sol\";\nimport \"@nfts2me/contracts/interfaces/IN2MBeaconFactory.sol\";\nimport \"@openzeppelin/contracts/proxy/Proxy.sol\";\nimport \"../N2MVersion.sol\";\n\nabstract contract N2MUpgradeable is Proxy {\n address internal immutable FACTORY_ADDRESS;\n\n constructor(address factoryAddress) {\n FACTORY_ADDRESS = factoryAddress;\n }\n\n function n2mVersions() external view returns (uint256 implementationVersion, uint256 beaconVersion) {\n implementationVersion = N2MVersion(address(this)).n2mVersion();\n beaconVersion = 1000;\n }\n}\n"
},
"contracts/interfaces/IN2M_ERCBase.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol\";\nimport \"./IN2M_ERCStorage.sol\";\n\ninterface IN2M_ERCBase is IERC2981Upgradeable, IN2M_ERCStorage {\n /// @notice To be called to create the collection. Can only be called once.\n function initialize\n (\n string memory tokenName,\n string memory tokenSymbol,\n uint256 iMintPrice,\n bytes32 baseURICIDHash,\n bytes32 placeholderImageCIDHash,\n RevenueAddress[] calldata revenueAddresses,\n address iErc20PaymentAddress,\n uint32 iTotalSupply,\n uint16 iRoyaltyFee,\n bool soulboundCollection,\n MintingType iMintingType\n ) external payable;\n\n /// @notice A descriptive name for a collection of NFTs in this contract\n function name() external view returns (string memory);\n\n /// @notice An abbreviated name for NFTs in this contract\n /// @return the collection symbol\n function symbol() external view returns (string memory);\n\n /// @notice A distinct Uniform Resource Identifier (URI) for a given asset.\n /// @dev Throws if `_tokenId` is not a valid NFT. URIs are defined in RFC\n /// 3986. The URI may point to a JSON file that conforms to the \"ERC721\n /// Metadata JSON Schema\".\n function tokenURI(uint256 tokenId) external view returns (string memory);\n\n /// @notice Mints one NFT to the caller (msg.sender). Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n function mint() external payable;\n\n /// @notice Mints `amount` NFTs to the caller (msg.sender). Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param amount The number of NFTs to mint\n function mint(uint256 amount) external payable;\n\n /// @notice Mints `amount` NFTs to the caller (msg.sender) with a given `affiliate`. Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param amount The number of NFTs to mint\n /// @param affiliate The affiliate address\n function mint(uint256 amount, address affiliate) external payable;\n\n /// @notice Mints `amount` NFTs to `to` address. Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n function mintTo(address to, uint256 amount) external payable;\n\n /// @notice Mints `amount` NFTs to `to` address with a given `affiliate`. Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n /// @param affiliate The affiliate address\n function mintTo(address to, uint256 amount, address affiliate) external payable;\n\n /// @notice Two phases on-chain random minting. Mints `amount` NFTs tickets to `to` address. Requires `minting type` to be `random` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment). Once minted, those tickets must be redeemed for an actual token calling `redeemRandom()`.\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n function mintRandomTo(address to, uint256 amount) external payable; \n\n /// @notice Two phases on-chain random minting. Mints `amount` NFTs tickets to `to` address with a given `affiliate`. Requires `minting type` to be `random` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment). Once minted, those tickets must be redeemed for an actual token calling `redeemRandom()`.\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n /// @param affiliate The affiliate address\n function mintRandomTo(address to, uint256 amount, address affiliate) external payable;\n\n /// @notice Redeems remaining random tickets generated from `msg.sender` by calling `mintRandomTo` for actual NFTs.\n function redeemRandom() external payable;\n\n /// @notice Mints `amount` NFTs to `to` address. Requires `minting type` to be `specify` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param tokenIds An array of the specified tokens. They must not be minted, otherwise, it will revert.\n function mintSpecifyTo(address to, uint256[] memory tokenIds) external payable; \n\n /// @notice Mints `amount` NFTs to `to` address with a given `affiliate`. Requires `minting type` to be `specify` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param tokenIds An array of the specified tokens. They must not be minted, otherwise, it will revert.\n /// @param affiliate The affiliate address\n function mintSpecifyTo(address to, uint256[] memory tokenIds, address affiliate) external payable; \n\n /// @notice Mints one NFT to `to` address. Requires `minting type` to be `customURI`.\n /// @param to The address of the NFTs receiver\n /// @param customURICIDHash The CID of the given token.\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function mintCustomURITo(address to, bytes32 customURICIDHash, bool soulbound) external payable;\n\n /// @notice Only owner can call this function. Free of charge. Mints sizeof(`to`) to `to` addresses. Requires `minting type` to be `sequential`.\n /// @param to The addresses of the NFTs receivers\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function airdropSequential(address[] memory to, bool soulbound) external payable;\n\n /// @notice Only owner can call this function. Free of charge. Mints sizeof(`to`) to `to` addresses with random tokenIds. Requires `minting type` to be `random`.\n /// @param to The addresses of the NFTs receivers\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function airdropRandom(address[] memory to, bool soulbound) external payable;\n\n /// @notice Only owner can call this function. Free of charge. Mints sizeof(`to`) to `to` addresses with specified tokenIds. Requires `minting type` to be `specify`.\n /// @param to The addresses of the NFTs receivers\n /// @param tokenIds An array of the specified tokens. They must not be minted, otherwise, it will revert.\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function airdropSpecify(address[] memory to, uint256[] memory tokenIds, bool soulbound) external payable;\n\n /// @notice Mints `amount` of NFTs to `to` address with optional specified tokenIds. This function must be called only if a valid `signature` is given during a whitelisting/presale.\n /// @param to The addresses of the NFTs receivers\n /// @param tokenIds An optional array of the specified tokens. They must not be minted, otherwise, it will revert. Only used if minting type is `specify`.\n /// @param freeMinting True is minting is free\n /// @param customFee Zero is fee is different from `mintingPrice`.\n /// @param maxAmount Max Amount to be minted with the given `signature`.\n /// @param amount Amount to mint.\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n /// @param signature Valid `signature` for the presale/whitelist.\n function mintPresale (\n address to, \n uint256[] memory tokenIds,\n bool freeMinting, \n uint256 customFee, \n uint256 maxAmount,\n uint256 amount, \n bool soulbound,\n bytes calldata signature) payable external;\n\n /// @notice Returns the minting price of one NFT.\n /// @return Mint price for one NFT in native coin or ERC-20.\n function mintPrice() external view returns (uint256);\n\n /// @notice Returns the current total supply.\n /// @return Current total supply.\n function totalSupply() external view returns (uint256);\n\n /// @notice Max amount of NFTs to be hold per address.\n /// @return Max per address allowed.\n function maxPerAddress() external view returns (uint16);\n\n}\n\n"
},
"contracts/interfaces/IN2M_ERCCommon.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"./IN2M_ERCLibrary.sol\";\nimport \"./IN2M_ERCBase.sol\";\n\ninterface IN2M_ERCCommon is IN2M_ERCBase, IN2M_ERCLibrary {\n /// @notice Returns the address of the current collection owner.\n /// @return The address of the owner.\n function owner() external view returns (address);\n}\n\n"
},
"contracts/interfaces/IN2M_ERCLibrary.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"./IN2M_ERCStorage.sol\";\n\ninterface IN2M_ERCLibrary is IN2M_ERCStorage {\n function setAndRevealBaseURI(bytes32 baseURICIDHash) external;\n function changeMintPrice(uint256 newMintPrice) external;\n function contractURI() external view returns (string memory);\n function setContractURI(bytes32 newContractURIMetadataCIDHash) external;\n function setAffiliatesPercentageAndDiscount(uint16 userDiscount, uint16 affiliatePercentage, address affiliateAddress) external;\n function affiliateWithdraw(address affiliate) external;\n function withdrawERC20(address erc20Address) external;\n function withdrawERC20Pro(uint256 signatureExpireDate, uint n2mFee, address erc20Address, bytes calldata signature) external;\n function withdraw() external;\n function withdrawPro(uint256 signatureExpireDate, uint256 n2mFee, bytes calldata signature) external;\n function setReverseENSName(address rerverseResolver, string calldata collectionENSName) external;\n function initializeAndSetReverseENSName(address resolver, string calldata collectionENSName) external;\n function changePlaceholderImageCID(bytes32 newPlaceholderImageCIDHash) external;\n function setPhase(SalePhase newPhase) external;\n function setDropDate(uint256 dropDateTimestamp) external;\n function setDropAndEndDate(uint256 dropDateTimestamp, uint256 endDateTimestamp) external;\n function setMaxPerAddress(uint16 newMaxPerAddress) external;\n function isOperatorFilterRegistryEnabled() external view returns (bool);\n function enableOperatorFilterRegistry() external;\n function disableOperatorFilterRegistry() external;\n function collectionSize() external view returns (uint256);\n function randomTickets(address affiliate) external view returns (uint amount, uint blockNumberToReveal);\n function affiliatesInfo(address affiliate) external view returns (bool enabled, uint16 affiliatePercentage, uint16 userDiscount);\n function pendingAffiliateBalance(address affiliate) external view returns (uint256);\n function pendingTotalAffiliatesBalance() external view returns (uint256);\n function royaltyFee() external view returns (uint256);\n function withdrawnAmount() external view returns (uint256);\n function withdrawnERC20Amount(address erc20) external view returns (uint256);\n function erc20PaymentAddress() external view returns (address);\n function currentPhase() external view returns (SalePhase);\n function mintingType() external view returns (MintingType);\n function saleDates() external view returns (uint256 dropDateTimestamp, uint256 endDateTimestamp);\n function isOpen() external view returns (bool);\n function ownerMaxRevenue() external view returns (uint256);\n\n}\n\n"
},
"contracts/interfaces/IN2M_ERCStorage.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@nfts2me/contracts/important/README.sol\";\n\ninterface IN2M_ERCStorage is Readme {\n /// @notice This event is emitted when a token is minted using an affiliate\n /// @param affiliate The affiliate address\n event AffiliateSell(address indexed affiliate);\n\n /// @notice Error thrown when trying to mint a token with a given id which is already minted\n error TokenAlreadyMinted();\n\n /// @notice Error thrown when input variable differ in length\n error InvalidInputSizesDontMatch();\n\n /// @notice Error thrown when input variable differ in length\n error InputSizeMismatch();\n\n /// @notice Error thrown when trying to mint a token with a given invalid id\n error InvalidTokenId();\n\n /// @notice Error thrown when trying to redeem random tickets with no amount to redeem\n error NothingToRedeem();\n\n /// @notice Error thrown when trying to redeem random tickets too soon\n error CantRevealYetWaitABitToBeAbleToRedeem();\n\n /// @notice Error thrown when the input amount is not valid\n error InvalidAmount();\n\n /// @notice Error thrown when trying to mint a sold out collection or the amount to mint exceeds the remaining supply\n error CollectionSoldOut();\n\n /// @notice Error thrown when trying to presale/whitelist mint and the collection current phase is `closed`\n error PresaleNotOpen();\n\n /// @notice Error thrown when trying to mint and the collection current phase is not `open`\n error PublicSaleNotOpen();\n\n /// @notice Error thrown when trying to mint but the sale has already finished\n error SaleFinished();\n\n /// @notice Error thrown when trying to mint more than the allowance to mint\n error NotEnoughAmountToMint();\n\n /// @notice Error thrown when sending funds to a free minting\n error InvalidMintFeeForFreeMinting();\n\n /// @notice Error thrown when the sent amount is not valid\n error InvalidMintFee();\n\n /// @notice Royalty fee can't be higher than 10%\n error RoyaltyFeeTooHigh();\n\n /// @notice Invalid input. Total supply must be greater than zero\n error TotalSupplyMustBeGreaterThanZero();\n\n /// @notice Can't set BaseURI and Placeholder at the same time\n error CantSetBaseURIAndPlaceholderAtTheSameTime();\n\n /// @notice No BaseURI nor Placeholder set\n error NoBaseURINorPlaceholderSet();\n\n /// @notice Can't transfer a Soulbound Token (SBT)\n error NonTransferrableSoulboundNFT();\n\n /// @notice The input revenue percentages are not valid\n error InvalidRevenuePercentage();\n\n /// @notice Can't mint until specified drop date\n error WaitUntilDropDate();\n\n /// @notice Trying to use mintPresale method in a collection with a minting type that doesn't support whitelist\n error PresaleInvalidMintingType();\n\n /// @notice Metadata is already fixed. Can't change metadata once fixed\n error MetadataAlreadyFixed();\n\n /// @notice Invalid collection minting type for the current minting function\n error InvalidMintingType();\n\n /// @notice The address exceeded the max per address amount\n error MaxPerAddressExceeded();\n\n /// @notice The given signature doesn't match the input values\n error SignatureMismatch();\n\n /// @notice Reentrancy Guard protection\n error ReentrancyGuard();\n\n /// @notice New Placeholder can't be empty\n error NewPlaceholderCantBeEmpty();\n\n /// @notice New BaseURI can't be empty\n error NewBaseURICantBeEmpty(); \n\n /// @notice Invalid percentage or discount values\n error InvalidPercentageOrDiscountValues();\n\n /// @notice Can't lower current percentages\n error CantLowerCurrentPercentages();\n\n /// @notice Contract MetadataURI already fixed\n error ContractMetadataURIAlreadyFixed();\n\n /// @notice Only owner of N2M can call this function\n error OnlyOwnerOrN2M();\n\n /// @notice Only the given affiliate or N2M can call this function\n error OnlyAffiliateOrN2M();\n\n /// @notice The signature has expired\n error SignatureExpired();\n\n /// @notice Invalid phase can't be set without giving a date, use the proper functions\n error InvalidPhaseWithoutDate();\n\n /// @notice Invalid drop date\n error InvalidDropDate();\n\n /// @notice Operator address is filtered\n error AddressFiltered(address filtered);\n\n struct RandomTicket {\n uint256 amount;\n uint256 blockNumberToReveal;\n }\n\n struct RevenueAddress {\n address to;\n uint16 percentage;\n }\n\n struct AffiliateInformation {\n bool enabled;\n uint16 affiliatePercentage;\n uint16 userDiscount;\n }\n\n enum SalePhase { \n CLOSED,\n PRESALE,\n PUBLIC,\n DROP_DATE,\n DROP_AND_END_DATE\n }\n\n enum MintingType { \n SEQUENTIAL, \n RANDOM, \n SPECIFY, \n CUSTOM_URI \n }\n\n enum OperatorFilterStatus { \n ENABLED_NOT_INITIALIZED, \n ENABLED_EXISTS, \n DISABLED_NOT_INITIALIZED,\n DISABLED_EXISTS \n }\n\n /// @notice Returns true if the metadata is fixed and immutable. If the metadata hasn't been fixed yet it will return false. Once fixed, it can't be changed by anyone.\n function isMetadataFixed() external view returns (bool);\n\n}\n\n"
},
"contracts/interfaces/IN2MBeaconFactory.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\ninterface IN2MUpgradeable {\n function getERC721Implementation() external view returns (address);\n function getERC1155Implementation() external view returns (address);\n}\n"
},
"contracts/interfaces/IN2MCrossFactory.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\ninterface IN2MCrossFactory {\n function getN2MTreasuryAddress() external pure returns (address);\n function ownerOf(uint256 tokenId) external view returns (address);\n function strictOwnerOf(uint256 tokenId) external view returns (address);\n}\n"
},
"contracts/interfaces/IN2MERC1155.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@openzeppelin/contracts/token/ERC1155/IERC1155.sol\";\nimport \"@openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol\";\nimport \"./IN2M_ERCCommon.sol\";\n\ninterface IN2MERC1155 is IERC1155MetadataURI, IN2M_ERCCommon {\n function supportsInterface(bytes4 interfaceId) external view override(IERC165, IERC165Upgradeable) returns (bool);\n function balanceOf(address owner) external view returns (uint256 balance);\n function totalSupply(uint256 id) external view returns (uint256);\n function exists(uint256 id) external view returns (bool);\n function getSupplies(uint256 startId, uint256 endId) external view returns (uint256[] memory supplies, uint256 blockNumber, uint256 blockTimestamp);\n}\n\n"
},
"contracts/interfaces/IN2MERC721.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@openzeppelin/contracts/token/ERC721/IERC721.sol\";\nimport \"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\";\nimport \"@openzeppelin/contracts/governance/utils/IVotes.sol\";\nimport \"./IN2M_ERCCommon.sol\";\n\ninterface IN2MERC721 is IERC721Metadata, IN2M_ERCCommon, IVotes {\n function name() external view override(IERC721Metadata, IN2M_ERCBase) returns (string memory);\n function tokenURI(uint256 tokenId) external view override(IERC721Metadata, IN2M_ERCBase) returns (string memory);\n function symbol() external view override(IERC721Metadata, IN2M_ERCBase) returns (string memory);\n function supportsInterface(bytes4 interfaceId) external view override(IERC165, IERC165Upgradeable) returns (bool);\n}\n\n"
},
"contracts/interfaces/IOperatorFilterRegistry.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\ninterface IOperatorFilterRegistry {\n function isOperatorAllowed(address registrant, address operator) external view returns (bool);\n function register(address registrant) external;\n function registerAndSubscribe(address registrant, address subscription) external;\n function registerAndCopyEntries(address registrant, address registrantToCopy) external;\n function updateOperator(address registrant, address operator, bool filtered) external;\n function updateOperators(address registrant, address[] calldata operators, bool filtered) external;\n function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;\n function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;\n function subscribe(address registrant, address registrantToSubscribe) external;\n function unsubscribe(address registrant, bool copyExistingEntries) external;\n function subscriptionOf(address addr) external returns (address registrant);\n function subscribers(address registrant) external returns (address[] memory);\n function subscriberAt(address registrant, uint256 index) external returns (address);\n function copyEntriesOf(address registrant, address registrantToCopy) external;\n function isOperatorFiltered(address registrant, address operator) external returns (bool);\n function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);\n function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);\n function filteredOperators(address addr) external returns (address[] memory);\n function filteredCodeHashes(address addr) external returns (bytes32[] memory);\n function filteredOperatorAt(address registrant, uint256 index) external returns (address);\n function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);\n function isRegistered(address addr) external view returns (bool);\n function codeHashOf(address addr) external view returns (bytes32);\n}"
},
"contracts/interfaces/IReverseRegistrar.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\ninterface IReverseRegistrar {\n function setDefaultResolver(address resolver) external;\n\n function claim(address owner) external returns (bytes32);\n\n function claimForAddr(\n address addr,\n address owner,\n address resolver\n ) external returns (bytes32);\n\n function claimWithResolver(address owner, address resolver)\n external\n returns (bytes32);\n\n function setName(string memory name) external returns (bytes32);\n\n function setNameForAddr(\n address addr,\n address owner,\n address resolver,\n string memory name\n ) external returns (bytes32);\n\n function node(address addr) external pure returns (bytes32);\n}"
},
"contracts/N2MCommonStorage.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@nfts2me/contracts/interfaces/IN2M_ERCStorage.sol\";\nimport \"@nfts2me/contracts/interfaces/IN2MCrossFactory.sol\";\nimport \"@nfts2me/contracts/ownable/NFTOwnableUpgradeable.sol\";\nimport {IOperatorFilterRegistry} from \"@nfts2me/contracts/interfaces/IOperatorFilterRegistry.sol\";\nimport \"./N2MVersion.sol\";\n\n/// @title NFTs2Me.com Smart Contracts\n/// @author The NFTs2Me Team\n/// @notice Read our terms of service\n/// @custom:security-contact security@nfts2me.com\n/// @custom:terms-of-service https://nfts2me.com/terms-of-service/\n/// @custom:website https://nfts2me.com/\nabstract contract N2MCommonStorage is\n NFTOwnableUpgradeable,\n IN2M_ERCStorage,\n N2MVersion\n{\n /// CONSTANTS\n address internal constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);\n address internal constant OPENSEA_CONDUIT = address(0x1E0049783F008A0085193E00003D00cd54003c71);\n address internal constant N2M_CONDUIT = address(0x88899DC0B84C6E726840e00DFb94ABc6248825eC);\n IOperatorFilterRegistry internal constant operatorFilterRegistry = IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);\n address internal constant N2M_PRESALE_SIGNER = address(0xC0ffee06CE3D6689305035601a055A96acd619c6);\n address internal constant N2M_TREASURY = address(0x955aF4de9Ca03f84c9462457D075aCABf1A8AfC8);\n uint256 internal constant N2M_FEE = 5_00;\n uint256 internal constant MAX_AFFILIATE_DISCOUNT = 100_00;\n uint256 internal constant MAX_AFFILIATE_PERCENTAGE = 100_00;\n uint256 internal constant NOT_ENTERED = 0;\n\n /// IMMUTABLE \n address payable internal immutable _factory;\n\n bytes32 internal _baseURICIDHash;\n bytes32 internal _placeholderImageCIDHash;\n bytes32 internal _contractURIMetadataCIDHash;\n\n mapping(address => uint256) internal _pendingAffiliateBalance;\n uint256 internal _pendingTotalAffiliatesBalance;\n\n RevenueAddress[] internal _revenueInfo;\n mapping(address => AffiliateInformation) internal _affiliatesInfo;\n\n uint256 internal _mintPrice;\n uint256 internal _withdrawnAmount;\n uint256 internal _reentrancyEntered;\n uint256 internal _dropDateTimestamp;\n uint256 internal _endDateTimestamp; \n\n mapping(address => uint256) internal _withdrawnERC20Amount;\n address internal _erc20PaymentAddress;\n\n mapping(address => RandomTicket) internal _randomTickets;\n mapping(bytes => uint256) internal _usedAmountSignature;\n mapping(uint256 => bool) internal _soulbound;\n mapping(uint256 => bytes32) internal _customURICIDHashes;\n\n uint32 internal _soldTokens;\n SalePhase internal _currentPhase;\n OperatorFilterStatus internal _operatorFilterStatus;\n MintingType internal _mintingType; \n uint16 internal _royaltyFee;\n uint16 internal _maxPerAddress; \n uint32 internal _collectionSize;\n bool internal _isERC20Payment;\n bool internal _soulboundCollection;\n\n /// @custom:oz-upgrades-unsafe-allow constructor\n constructor(address payable factoryAddress) {\n _factory = factoryAddress;\n _disableInitializers();\n }\n\n /// @notice Returns the address of the current collection owner.\n function owner() public view override(NFTOwnableUpgradeable) returns (address collectionOwner) {\n try IN2MCrossFactory(_factory).ownerOf(uint256(uint160(address(this)))) returns (address ownerOf) {\n return ownerOf;\n } catch {}\n }\n\n function _strictOwner() internal view override(NFTOwnableUpgradeable) returns (address ownerStrictAddress) {\n try IN2MCrossFactory(_factory).strictOwnerOf(uint256(uint160(address(this)))) returns (address strictOwnerOf) {\n return strictOwnerOf;\n } catch {}\n }\n\n function _getN2MFeeAddress() internal view override(NFTOwnableUpgradeable) returns (address) {\n\n try IN2MCrossFactory(_factory).getN2MTreasuryAddress() returns (address n2mTreasuryAddress) {\n return n2mTreasuryAddress;\n } catch {\n return N2M_TREASURY;\n }\n } \n\n modifier nonReentrant() {\n _nonReentrantBefore();\n _;\n _nonReentrantAfter();\n }\n\n function _nonReentrantBefore() private {\n if (_reentrancyEntered != 0) revert ReentrancyGuard();\n _reentrancyEntered = 1;\n }\n\n function _nonReentrantAfter() private {\n delete(_reentrancyEntered);\n } \n\n /// @notice Returns true if the metadata is fixed and immutable. If the metadata hasn't been fixed yet it will return false. Once fixed, it can't be changed by anyone.\n function isMetadataFixed() public view override returns (bool) {\n return (_baseURICIDHash != 0 || (_mintingType == MintingType.CUSTOM_URI));\n }\n\n}\n"
},
"contracts/N2MERC1155.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/token/ERC1155/ERC1155Upgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/token/ERC1155/extensions/ERC1155SupplyUpgradeable.sol\";\n\nimport \"./N2MTokenCommon.sol\";\n\n/// @title NFTs2Me.com Smart Contracts for ERC-1155.\n/// @author The NFTs2Me Team\n/// @notice Read our terms of service\n/// @custom:security-contact security@nfts2me.com\n/// @custom:terms-of-service https://nfts2me.com/terms-of-service/\n/// @custom:website https://nfts2me.com/\ncontract N2MERC1155 is\n N2MTokenCommon,\n ERC1155Upgradeable,\n ERC1155SupplyUpgradeable\n{\n /// @custom:oz-upgrades-unsafe-allow constructor\n constructor(address libraryAddress, address payable factoryAddress) N2MTokenCommon(libraryAddress, factoryAddress) {}\n\n string private _name;\n string public override symbol;\n\n mapping(address => uint256) private _balances;\n\n /// @notice To be called to create the collection. Can only be called once.\n function initialize(\n string memory tokenName,\n string memory tokenSymbol,\n uint256 iMintPrice,\n bytes32 baseURICIDHash,\n bytes32 placeholderImageCIDHash,\n RevenueAddress[] calldata revenueAddresses,\n address iErc20PaymentAddress,\n uint32 iTotalSupply,\n uint16 iRoyaltyFee,\n bool soulboundCollection,\n MintingType iMintingType\n ) public payable override initializer {\n\n _name = tokenName;\n symbol = tokenSymbol;\n\n if (iTotalSupply == 0) revert TotalSupplyMustBeGreaterThanZero();\n if (baseURICIDHash != 0 && placeholderImageCIDHash != 0) revert CantSetBaseURIAndPlaceholderAtTheSameTime();\n if (iRoyaltyFee > 10_00) revert RoyaltyFeeTooHigh();\n\n _collectionSize = iTotalSupply;\n if (baseURICIDHash == 0) {\n if (placeholderImageCIDHash == 0) {\n if (iMintingType != MintingType.CUSTOM_URI)\n revert NoBaseURINorPlaceholderSet();\n } else {\n _placeholderImageCIDHash = placeholderImageCIDHash;\n }\n } else {\n _baseURICIDHash = baseURICIDHash;\n }\n\n _mintPrice = iMintPrice;\n _royaltyFee = iRoyaltyFee;\n if (iMintingType != MintingType.SEQUENTIAL) {\n _mintingType = iMintingType;\n }\n if (iErc20PaymentAddress != address(0)) {\n _isERC20Payment = true;\n _erc20PaymentAddress = iErc20PaymentAddress;\n }\n if (soulboundCollection == true) {\n _soulboundCollection = true;\n }\n\n if (revenueAddresses.length > 0) {\n uint256 revenuePercentageTotal;\n for (uint256 i; i < revenueAddresses.length; ) {\n revenuePercentageTotal += revenueAddresses[i].percentage;\n unchecked {\n ++i;\n }\n }\n _revenueInfo = revenueAddresses;\n if (revenuePercentageTotal > 100_00 - N2M_FEE) revert InvalidRevenuePercentage();\n }\n\n }\n\n /// @notice alias for `uri`\n function tokenURI(uint256 tokenId)\n public\n view\n override\n returns (string memory)\n {\n return uri(tokenId);\n }\n\n /// @notice tokenURI of the given token\n /// @param tokenId of the token to ask for\n /// @return tokenURI for `tokenId`\n function uri(uint256 tokenId)\n public\n view\n override(ERC1155Upgradeable)\n returns (string memory)\n {\n return IN2MLibrary(address(this)).tokenURIImpl(tokenId);\n }\n\n function _exists(uint256 tokenId) internal view override returns (bool) {\n return exists(tokenId);\n }\n\n function _mint(address to, uint256 tokenId) internal override {\n super._mint(to, tokenId, 1, \"\");\n }\n\n /// @notice Collection name\n /// @return the collection name\n function name() public view override returns (string memory) {\n return _name;\n }\n\n /// @notice Balance of a given address for ERC-1155 (non-standard).\n /// @param owner to ask for the balance\n /// @return balance of the `owner`\n function balanceOf(address owner) public view override returns (uint256 balance) {\n if (owner == address(0)) revert();\n balance = _balances[owner];\n if (_mintingType == MintingType.RANDOM) {\n balance += _randomTickets[owner].amount;\n }\n }\n\n function _mintSequential(address to, uint256 amount) internal override {\n if (amount == 1) {\n unchecked {\n _mint(to, ++_soldTokens, 1, \"\");\n }\n } else {\n uint256[] memory ids = new uint256[](amount);\n uint256[] memory amounts = new uint256[](amount);\n\n for (uint256 i; i < amount; ) {\n unchecked {\n ids[i] = ++_soldTokens;\n amounts[i] = 1;\n ++i;\n }\n }\n\n _mintBatch(to, ids, amounts, \"\");\n }\n }\n\n function _mintSpecify(address to, uint256[] memory tokenIds)\n internal\n override\n {\n uint32 amount = uint32(tokenIds.length);\n _soldTokens += amount;\n uint256[] memory amounts = new uint256[](amount);\n\n for (uint256 i; i < amount; ) {\n uint256 tokenId = tokenIds[i];\n amounts[i] = 1;\n if (_exists(tokenId)) revert TokenAlreadyMinted();\n if (tokenId <= 0 || tokenId > _collectionSize) revert InvalidTokenId();\n unchecked {\n ++i;\n }\n }\n _mintBatch(to, tokenIds, amounts, \"\");\n }\n\n function _beforeTokenTransfer(\n address operator,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal override(ERC1155Upgradeable, ERC1155SupplyUpgradeable) {\n uint256 length = ids.length;\n for (uint256 i; i < length; ) {\n\n if (from != address(0)) {\n if (_soulbound[ids[i]] || _soulboundCollection) revert NonTransferrableSoulboundNFT();\n\n _balances[from] -= amounts[i];\n }\n\n if (to != address(0)) {\n\n _balances[to] += amounts[i];\n }\n\n unchecked {\n ++i;\n }\n }\n\n super._beforeTokenTransfer(operator, from, to, ids, amounts, data);\n\n if (_maxPerAddress != 0) {\n\n if (balanceOf(to) > _maxPerAddress) revert MaxPerAddressExceeded();\n } \n }\n\n /// @notice Query if a contract implements an interface\n /// @param interfaceId The interface identifier, as specified in ERC-165\n /// @dev Interface identification is specified in ERC-165. This function uses less than 30,000 gas.\n /// @return `true` if the contract implements `interfaceId` and `interfaceId` is not 0xffffffff, `false` otherwise\n function supportsInterface(bytes4 interfaceId)\n public\n view\n override(ERC1155Upgradeable, IERC165Upgradeable)\n returns (bool)\n {\n return (\n\n interfaceId == type(IERC2981Upgradeable).interfaceId || super.supportsInterface(interfaceId));\n }\n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage all of the caller's tokens.\n /// @dev MUST emit the ApprovalForAll event on success.\n /// @param operator Address to add to the set of authorized operators\n /// @param approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) {\n super.setApprovalForAll(operator, approved);\n } \n\n /// @notice Queries the approval status of an operator for a given owner.\n /// @param owner The owner of the tokens\n /// @param operator Address of authorized operator\n /// @return True if the operator is approved, false if not\n function isApprovedForAll(address owner, address operator)\n public\n view\n virtual\n override\n returns (bool)\n {\n\n if (operator == N2M_CONDUIT) return true;\n if (operator == OPENSEA_CONDUIT) return true;\n\n return super.isApprovedForAll(owner, operator);\n }\n\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) public override onlyAllowedOperator() {\n super.safeTransferFrom(from, to, id, amount, data);\n }\n\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) public override onlyAllowedOperator() {\n super.safeBatchTransferFrom(from, to, ids, amounts, data);\n }\n\n // ////////\n\n // ////////\n\n function getSupplies(uint256 startId, uint256 endId)\n external\n view\n returns (\n uint256[] memory supplies,\n uint256 blockNumber,\n uint256 blockTimestamp\n )\n {\n blockNumber = block.number;\n blockTimestamp = block.timestamp;\n\n if (endId >= startId) {\n uint256 total = 1 + endId - startId;\n unchecked {\n supplies = new uint256[](total);\n for (uint256 i; i < total; i++) {\n supplies[i] = totalSupply(startId + i);\n }\n }\n } else {\n uint256[] memory emptyArray;\n supplies = emptyArray;\n }\n } \n\n}\n"
},
"contracts/N2MERC721.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/cryptography/EIP712Upgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721VotesUpgradeable.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\nimport \"./N2MTokenCommon.sol\";\n\n/// @title NFTs2Me.com Smart Contracts for ERC-721.\n/// @author The NFTs2Me Team\n/// @notice Read our terms of service\n/// @custom:security-contact security@nfts2me.com\n/// @custom:terms-of-service https://nfts2me.com/terms-of-service/\n/// @custom:website https://nfts2me.com/\ncontract N2MERC721 is\n N2MTokenCommon,\n ERC721Upgradeable,\n EIP712Upgradeable,\n ERC721VotesUpgradeable\n{\n\n /// @notice To be called to create the collection. Can only be called once.\n function initialize(\n string memory tokenName,\n string memory tokenSymbol,\n uint256 iMintPrice,\n bytes32 baseURICIDHash,\n bytes32 placeholderImageCIDHash,\n RevenueAddress[] calldata revenueAddresses,\n address iErc20PaymentAddress,\n uint32 iTotalSupply,\n uint16 iRoyaltyFee,\n bool soulboundCollection,\n MintingType iMintingType\n ) public payable override initializer {\n __ERC721_init(tokenName, tokenSymbol);\n\n if (iTotalSupply == 0) revert TotalSupplyMustBeGreaterThanZero();\n if (baseURICIDHash != 0 && placeholderImageCIDHash != 0) revert CantSetBaseURIAndPlaceholderAtTheSameTime();\n if (iRoyaltyFee > 10_00) revert RoyaltyFeeTooHigh();\n\n _collectionSize = iTotalSupply;\n if (baseURICIDHash == 0) {\n if (placeholderImageCIDHash == 0) {\n if (iMintingType != MintingType.CUSTOM_URI)\n revert NoBaseURINorPlaceholderSet();\n } else {\n _placeholderImageCIDHash = placeholderImageCIDHash;\n }\n } else {\n _baseURICIDHash = baseURICIDHash;\n }\n\n _mintPrice = iMintPrice;\n _royaltyFee = iRoyaltyFee;\n if (iMintingType != MintingType.SEQUENTIAL) {\n _mintingType = iMintingType;\n }\n if (iErc20PaymentAddress != address(0)) {\n _isERC20Payment = true;\n _erc20PaymentAddress = iErc20PaymentAddress;\n }\n if (soulboundCollection == true) {\n _soulboundCollection = true;\n }\n\n if (revenueAddresses.length > 0) {\n uint256 revenuePercentageTotal;\n for (uint256 i; i < revenueAddresses.length; ) {\n revenuePercentageTotal += revenueAddresses[i].percentage;\n unchecked {\n ++i;\n }\n }\n _revenueInfo = revenueAddresses;\n if (revenuePercentageTotal > 100_00 - N2M_FEE) revert InvalidRevenuePercentage();\n }\n\n }\n\n constructor(address libraryAddress, address payable factoryAddress) N2MTokenCommon(libraryAddress, factoryAddress) {}\n\n /// @notice A distinct Uniform Resource Identifier (URI) for a given asset.\n /// @dev Throws if `_tokenId` is not a valid NFT. URIs are defined in RFC\n /// 3986. The URI may point to a JSON file that conforms to the \"ERC721\n /// Metadata JSON Schema\".\n function tokenURI(uint256 tokenId)\n public\n view\n override(N2MTokenCommon, ERC721Upgradeable)\n returns (string memory)\n {\n _requireMinted(tokenId);\n return IN2MLibrary(address(this)).tokenURIImpl(tokenId);\n }\n\n function _exists(uint256 tokenId)\n internal\n view\n override(ERC721Upgradeable, N2MTokenCommon)\n returns (bool)\n {\n return super._exists(tokenId);\n }\n\n function _mint(address to, uint256 tokenId)\n internal\n override(ERC721Upgradeable, N2MTokenCommon)\n {\n super._mint(to, tokenId);\n }\n\n /// @notice A descriptive name for a collection of NFTs in this contract\n function name()\n public\n view\n override(ERC721Upgradeable, N2MTokenCommon)\n returns (string memory)\n {\n return super.name();\n }\n\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 firstTokenId,\n uint256 batchSize\n ) internal override {\n if (\n from != address(0) &&\n (_soulbound[firstTokenId] || _soulboundCollection)\n ) revert NonTransferrableSoulboundNFT();\n\n super._beforeTokenTransfer(from, to, firstTokenId, batchSize);\n }\n\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 firstTokenId,\n uint256 batchSize\n ) internal override(ERC721Upgradeable, ERC721VotesUpgradeable) {\n super._afterTokenTransfer(from, to, firstTokenId, batchSize);\n\n if (_maxPerAddress != 0) {\n\n if (balanceOf(to) > _maxPerAddress) revert MaxPerAddressExceeded();\n }\n }\n\n function _burn(uint256 tokenId)\n internal\n override(ERC721Upgradeable)\n {\n super._burn(tokenId);\n if (_customURICIDHashes[tokenId] != 0) {\n delete _customURICIDHashes[tokenId];\n } \n }\n\n /// @notice Query if a contract implements an interface\n /// @param interfaceId The interface identifier, as specified in ERC-165\n /// @dev Interface identification is specified in ERC-165. This function uses less than 30,000 gas.\n /// @return `true` if the contract implements `interfaceId` and `interfaceId` is not 0xffffffff, `false` otherwise\n function supportsInterface(bytes4 interfaceId)\n public\n view\n override(ERC721Upgradeable, IERC165Upgradeable)\n returns (bool)\n {\n return (\n\n interfaceId == type(IERC2981Upgradeable).interfaceId || super.supportsInterface(interfaceId));\n }\n\n /// @notice An abbreviated name for NFTs in this contract\n /// @return the collection symbol\n function symbol()\n public\n view\n virtual\n override(IN2M_ERCBase, ERC721Upgradeable)\n returns (string memory)\n {\n return super.symbol();\n }\n\n /// @notice Count all NFTs assigned to an owner\n /// @dev NFTs assigned to the zero address are considered invalid, and this\n /// function throws for queries about the zero address.\n /// @param owner An address for whom to query the balance\n /// @return balance The number of NFTs owned by `owner`, possibly zero\n function balanceOf(address owner) public view override(ERC721Upgradeable, N2MTokenCommon) returns (uint256 balance) {\n balance = super.balanceOf(owner);\n if (_mintingType == MintingType.RANDOM) {\n balance += _randomTickets[owner].amount;\n }\n }\n\n function _EIP712NameHash() internal virtual override view returns (bytes32) {\n\n return keccak256(\"NFTs2Me\");\n }\n\n function _EIP712VersionHash() internal virtual override view returns (bytes32) {\n return keccak256(\"1\");\n } \n\n /// @notice Enable or disable approval for a third party (\"operator\") to manage\n /// all of `msg.sender`'s assets\n /// @dev Emits the ApprovalForAll event. The contract MUST allow\n /// multiple operators per owner.\n /// @param operator Address to add to the set of authorized operators\n /// @param approved True if the operator is approved, false to revoke approval\n function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) {\n super.setApprovalForAll(operator, approved);\n }\n\n /// @notice Change or reaffirm the approved address for an NFT\n /// @dev The zero address indicates there is no approved address.\n /// Throws unless `msg.sender` is the current NFT owner, or an authorized\n /// operator of the current owner.\n /// @param operator The new approved NFT controller\n /// @param tokenId The NFT to approve\n function approve(address operator, uint256 tokenId) public override onlyAllowedOperatorApproval(operator) {\n super.approve(operator, tokenId);\n }\n\n /// @notice Query if an address is an authorized operator for another address\n /// @param owner The address that owns the NFTs\n /// @param operator The address that acts on behalf of the owner\n /// @return True if `operator` is an approved operator for `owner`, false otherwise\n function isApprovedForAll(address owner, address operator)\n public\n view\n virtual\n override\n returns (bool)\n {\n\n if (operator == N2M_CONDUIT) return true;\n if (operator == OPENSEA_CONDUIT) return true;\n\n return super.isApprovedForAll(owner, operator);\n }\n\n /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE\n /// TO CONFIRM THAT `to` IS CAPABLE OF RECEIVING NFTS OR ELSE\n /// THEY MAY BE PERMANENTLY LOST\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `from` is\n /// not the current owner. Throws if `to` is the zero address. Throws if\n /// `tokenId` is not a valid NFT.\n /// @param from The current owner of the NFT\n /// @param to The new owner\n /// @param tokenId The NFT to transfer\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public override onlyAllowedOperator() {\n super.transferFrom(from, to, tokenId);\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev This works identically to the other function with an extra data parameter,\n /// except this function just sets data to \"\".\n /// @param from The current owner of the NFT\n /// @param to The new owner\n /// @param tokenId The NFT to transfer\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public override onlyAllowedOperator() {\n super.safeTransferFrom(from, to, tokenId);\n }\n\n /// @notice Transfers the ownership of an NFT from one address to another address\n /// @dev Throws unless `msg.sender` is the current owner, an authorized\n /// operator, or the approved address for this NFT. Throws if `from` is\n /// not the current owner. Throws if `to` is the zero address. Throws if\n /// `tokenId` is not a valid NFT. When transfer is complete, this function\n /// checks if `to` is a smart contract (code size > 0). If so, it calls\n /// `onERC721Received` on `to` and throws if the return value is not\n /// `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`.\n /// @param from The current owner of the NFT\n /// @param to The new owner\n /// @param tokenId The NFT to transfer\n /// @param data Additional data with no specified format, sent in call to `to`\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) public override onlyAllowedOperator() {\n super.safeTransferFrom(from, to, tokenId, data);\n }\n\n}\n"
},
"contracts/N2MTokenCommon.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/cryptography/EIP712Upgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721VotesUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721URIStorageUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/cryptography/ECDSAUpgradeable.sol\";\n\n/// Utils\nimport \"@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\nimport \"@nfts2me/contracts/interfaces/IN2MCrossFactory.sol\";\nimport \"@nfts2me/contracts/interfaces/IN2M_ERCBase.sol\";\nimport \"./N2MCommonStorage.sol\";\n\ninterface IN2MLibrary {\n function tokenURIImpl(uint256 tokenId) external view returns (string memory);\n}\n\n/// @title NFTs2Me.com Smart Contracts\n/// @author The NFTs2Me Team\n/// @notice Read our terms of service\n/// @custom:security-contact security@nfts2me.com\n/// @custom:terms-of-service https://nfts2me.com/terms-of-service/\n/// @custom:website https://nfts2me.com/\nabstract contract N2MTokenCommon is N2MCommonStorage, IN2M_ERCBase {\n /// IMMUTABLE\n address internal immutable LIBRARY_ADDRESS;\n\n /// @custom:oz-upgrades-unsafe-allow constructor\n constructor(address libraryAddress, address payable factoryAddress) N2MCommonStorage(factoryAddress) {\n LIBRARY_ADDRESS = libraryAddress;\n }\n\n function _mint(address to, uint256 tokenId) internal virtual;\n\n function _exists(uint256 tokenId) internal view virtual returns (bool);\n\n function name() external view virtual override returns (string memory);\n\n function tokenURI(uint256 tokenId) external view virtual override returns (string memory);\n\n function balanceOf(address owner) public view virtual returns (uint256 balance); \n\n /// @notice Mints one NFT to the caller (msg.sender). Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n function mint() external payable override {\n _requirePayment(_mintPrice, 1);\n _checkPhase();\n if (_mintingType != MintingType.SEQUENTIAL) revert InvalidMintingType();\n unchecked {\n if ((++_soldTokens) > _collectionSize) revert CollectionSoldOut();\n }\n _mint(msg.sender, _soldTokens);\n }\n\n /// @notice Mints `amount` NFTs to the caller (msg.sender). Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param amount The number of NFTs to mint\n function mint(uint256 amount) external payable override {\n _requirePayment(_mintPrice, amount);\n _mintSequentialWithChecks(msg.sender, amount);\n }\n\n /// @notice Mints `amount` NFTs to the caller (msg.sender) with a given `affiliate`. Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param amount The number of NFTs to mint\n /// @param affiliate The affiliate address\n function mint(uint256 amount, address affiliate) external payable override {\n _requirePaymentWithAffiliates(amount, affiliate);\n _mintSequentialWithChecks(msg.sender, amount);\n }\n\n /// @notice Mints `amount` NFTs to `to` address. Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n function mintTo(address to, uint256 amount) external payable override {\n _requirePayment(_mintPrice, amount);\n _mintSequentialWithChecks(to, amount);\n }\n\n /// @notice Mints `amount` NFTs to `to` address with a given `affiliate`. Requires `minting type` to be `sequential` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n /// @param affiliate The affiliate address\n function mintTo(address to, uint256 amount, address affiliate) external payable override {\n _requirePaymentWithAffiliates(amount, affiliate);\n _mintSequentialWithChecks(to, amount);\n }\n\n function _mintSequentialWithChecks(address to, uint256 amount) private {\n _checkPhase();\n if (_mintingType != MintingType.SEQUENTIAL) revert InvalidMintingType();\n if ((_soldTokens + amount) > _collectionSize) revert CollectionSoldOut();\n\n _mintSequential(to, amount);\n }\n\n function _mintSequential(address to, uint256 amount, bool soulbound) private {\n for (uint256 i; i < amount; ) {\n unchecked {\n _mint(to, ++_soldTokens);\n }\n if (soulbound) _soulbound[_soldTokens] = true;\n unchecked {\n ++i;\n }\n }\n }\n\n function _mintSequential(address to, uint256 amount) internal virtual {\n for (uint256 i; i < amount; ) {\n unchecked {\n _mint(to, ++_soldTokens);\n ++i;\n }\n }\n }\n\n /// @notice Two phases on-chain random minting. Mints `amount` NFTs tickets to `to` address. Requires `minting type` to be `random` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment). Once minted, those tickets must be redeemed for an actual token calling `redeemRandom()`.\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n function mintRandomTo(address to, uint256 amount) external payable override {\n _requirePayment(_mintPrice, amount);\n _mintRandomWithChecks(to, amount);\n }\n\n /// @notice Two phases on-chain random minting. Mints `amount` NFTs tickets to `to` address with a given `affiliate`. Requires `minting type` to be `random` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment). Once minted, those tickets must be redeemed for an actual token calling `redeemRandom()`.\n /// @param to The address of the NFTs receiver\n /// @param amount The number of NFTs to mint \n /// @param affiliate The affiliate address\n function mintRandomTo(address to, uint256 amount, address affiliate) external payable override {\n _requirePaymentWithAffiliates(amount, affiliate);\n _mintRandomWithChecks(to, amount);\n }\n\n function _mintRandomWithChecks(address to, uint256 amount) private {\n _checkPhase();\n if (_mintingType != MintingType.RANDOM) revert InvalidMintingType();\n if (_soldTokens + (amount) > _collectionSize) revert CollectionSoldOut();\n\n unchecked {\n _randomTickets[to].blockNumberToReveal = block.number + 2;\n _randomTickets[to].amount += amount;\n _soldTokens += uint32(amount);\n }\n\n if (_maxPerAddress != 0) {\n\n if (balanceOf(to) > _maxPerAddress) revert MaxPerAddressExceeded();\n } \n }\n\n /// @notice Redeems remaining random tickets generated from `msg.sender` by calling `mintRandomTo` for actual NFTs.\n function redeemRandom() external payable override {\n uint256 blockNumberToReveal = _randomTickets[msg.sender].blockNumberToReveal;\n uint256 amountToRedeem = _randomTickets[msg.sender].amount;\n\n if (amountToRedeem == 0) revert NothingToRedeem();\n if (block.number <= _randomTickets[msg.sender].blockNumberToReveal) revert CantRevealYetWaitABitToBeAbleToRedeem();\n\n bytes32 seedFromBlockNumber = blockhash(blockNumberToReveal);\n\n if (seedFromBlockNumber == 0) {\n\n uint256 newBlockNumber = ((block.number & uint256(int256(-0x100))) + (blockNumberToReveal & 0xff));\n\n if ((newBlockNumber >= block.number)) {\n newBlockNumber -= 256;\n\n }\n seedFromBlockNumber = blockhash(newBlockNumber);\n\n }\n\n delete(_randomTickets[msg.sender].blockNumberToReveal);\n delete(_randomTickets[msg.sender].amount);\n\n uint16 maxPerAddressTemp = _maxPerAddress;\n delete(_maxPerAddress);\n _mintRandom(msg.sender, amountToRedeem, seedFromBlockNumber, false);\n _maxPerAddress = maxPerAddressTemp;\n }\n\n function _mintRandom(address to, uint256 amount, bytes32 seed, bool soulbound) private {\n for (; amount > 0; ) {\n uint256 tokenId = _randomTokenId(seed, amount);\n _mint(to, tokenId);\n if (soulbound) _soulbound[tokenId] = true;\n unchecked {\n --amount;\n }\n }\n }\n\n function _randomTokenId(bytes32 seed, uint256 extraModifier) private view returns (uint256 tokenId) {\n\n tokenId = (uint256(keccak256(abi.encodePacked(seed, extraModifier))) % _collectionSize) + 1;\n\n while (_exists(tokenId)) {\n unchecked {\n tokenId = (tokenId % _collectionSize) + 1;\n }\n }\n }\n\n /// @notice Mints `amount` NFTs to `to` address. Requires `minting type` to be `specify` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param tokenIds An array of the specified tokens. They must not be minted, otherwise, it will revert.\n function mintSpecifyTo(address to, uint256[] memory tokenIds)\n external\n payable\n override\n {\n _requirePayment(_mintPrice, tokenIds.length);\n _mintSpecifyWithChecks(to, tokenIds);\n }\n\n /// @notice Mints `amount` NFTs to `to` address with a given `affiliate`. Requires `minting type` to be `specify` and the `mintPrice` to be send (if `Native payment`) or approved (if `ERC-20` payment).\n /// @param to The address of the NFTs receiver\n /// @param tokenIds An array of the specified tokens. They must not be minted, otherwise, it will revert.\n /// @param affiliate The affiliate address\n function mintSpecifyTo(address to, uint256[] memory tokenIds, address affiliate) \n external\n payable\n override\n {\n _requirePaymentWithAffiliates(tokenIds.length, affiliate);\n _mintSpecifyWithChecks(to, tokenIds);\n }\n\n function _mintSpecifyWithChecks(address to, uint256[] memory tokenIds)\n private\n {\n _checkPhase();\n if (_mintingType != MintingType.SPECIFY) revert InvalidMintingType();\n\n if (_soldTokens + (tokenIds.length) > _collectionSize) revert CollectionSoldOut();\n\n _mintSpecify(to, tokenIds);\n }\n\n function _mintSpecify(\n address to,\n uint256[] memory tokenIds,\n bool soulbound\n ) private {\n _mintSpecify(to, tokenIds);\n uint256 inputLength = tokenIds.length; \n if (soulbound) {\n for (uint256 i; i < inputLength; ) {\n _soulbound[tokenIds[i]] = true;\n unchecked {\n ++i;\n }\n }\n }\n }\n\n function _mintSpecify(address to, uint256[] memory tokenIds)\n internal\n virtual\n {\n\n uint256 inputLength = tokenIds.length;\n unchecked {\n _soldTokens += uint32(inputLength);\n }\n for (uint256 i; i < inputLength; ) {\n uint256 tokenId = tokenIds[i];\n\n if (tokenId == 0 || tokenId > _collectionSize) revert InvalidTokenId();\n _mint(to, tokenId);\n unchecked {\n ++i;\n }\n }\n }\n\n /// @notice Mints one NFT to `to` address. Requires `minting type` to be `customURI`.\n /// @param to The address of the NFTs receiver\n /// @param customURICIDHash The CID of the given token.\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function mintCustomURITo(address to, bytes32 customURICIDHash, bool soulbound)\n external\n payable\n override\n {\n _requirePayment(_mintPrice, 1);\n _checkPhase();\n if (_mintingType != MintingType.CUSTOM_URI) revert InvalidMintingType();\n unchecked {\n if ((++_soldTokens) > _collectionSize) revert CollectionSoldOut();\n }\n _mint(to, _soldTokens);\n\n unchecked {\n if (soulbound) _soulbound[_soldTokens] = true;\n }\n _customURICIDHashes[_soldTokens] = customURICIDHash;\n }\n\n /// @notice Only owner can call this function. Free of charge. Mints sizeof(`to`) to `to` addresses. Requires `minting type` to be `sequential`.\n /// @param to The addresses of the NFTs receivers\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function airdropSequential(address[] memory to, bool soulbound)\n external\n payable\n override\n onlyStrictOwner\n {\n if (_mintingType != MintingType.SEQUENTIAL) revert InvalidMintingType();\n if (_soldTokens + (to.length) > _collectionSize) revert CollectionSoldOut();\n\n uint256 toLength = to.length;\n for (uint256 i; i < toLength; ) {\n\n unchecked {\n _mint(to[i], ++_soldTokens); \n if (soulbound) _soulbound[_soldTokens] = true;\n ++i;\n }\n }\n }\n\n /// @notice Only owner can call this function. Free of charge. Mints sizeof(`to`) to `to` addresses with random tokenIds. Requires `minting type` to be `random`.\n /// @param to The addresses of the NFTs receivers\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function airdropRandom(address[] memory to, bool soulbound)\n external\n payable\n override\n onlyOwner\n {\n uint256 toLength = to.length;\n if (_mintingType != MintingType.RANDOM) revert InvalidMintingType();\n\n if ((_soldTokens + toLength) > _collectionSize) revert CollectionSoldOut();\n\n unchecked {\n _soldTokens += uint32(toLength);\n }\n\n bytes32 randomSeed = blockhash(block.number - 1);\n\n for (uint256 i; i < toLength; ) {\n uint256 newTokenId = _randomTokenId(randomSeed, i);\n _mint(to[i], newTokenId);\n if (soulbound) _soulbound[newTokenId] = true;\n unchecked {\n ++i;\n }\n }\n }\n\n /// @notice Only owner can call this function. Free of charge. Mints sizeof(`to`) to `to` addresses with specified tokenIds. Requires `minting type` to be `specify`.\n /// @param to The addresses of the NFTs receivers\n /// @param tokenIds An array of the specified tokens. They must not be minted, otherwise, it will revert.\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n function airdropSpecify(\n address[] memory to,\n uint256[] memory tokenIds,\n bool soulbound\n ) external payable override onlyOwner {\n uint256 toLength = to.length;\n if (_mintingType != MintingType.SPECIFY) revert InvalidMintingType();\n\n if (_soldTokens + (tokenIds.length) > _collectionSize) revert CollectionSoldOut();\n if (toLength != tokenIds.length) revert InvalidInputSizesDontMatch();\n\n unchecked {\n _soldTokens += uint32(toLength);\n }\n\n for (uint256 i; i < toLength; ) {\n\n if (tokenIds[i] == 0 || tokenIds[i] > _collectionSize) revert InvalidTokenId();\n _mint(to[i], tokenIds[i]);\n if (soulbound) _soulbound[tokenIds[i]] = true;\n unchecked {\n ++i;\n }\n }\n }\n\n /// @notice Mints `amount` of NFTs to `to` address with optional specified tokenIds. This function must be called only if a valid `signature` is given during a whitelisting/presale.\n /// @param to The addresses of the NFTs receivers\n /// @param tokenIds An optional array of the specified tokens. They must not be minted, otherwise, it will revert. Only used if minting type is `specify`.\n /// @param freeMinting True is minting is free\n /// @param customFee Zero is fee is different from `mintingPrice`.\n /// @param maxAmount Max Amount to be minted with the given `signature`.\n /// @param amount Amount to mint.\n /// @param soulbound True if the NFT is a Soulbound Token (SBT). If set, it can't be transferred.\n /// @param signature Valid `signature` for the presale/whitelist.\n function mintPresale(\n address to,\n uint256[] memory tokenIds,\n bool freeMinting,\n uint256 customFee,\n uint256 maxAmount,\n uint256 amount,\n bool soulbound,\n bytes calldata signature\n ) external payable override {\n if (amount == 0) revert InvalidAmount();\n\n _usedAmountSignature[signature] += amount;\n if (_usedAmountSignature[signature] > maxAmount) revert NotEnoughAmountToMint();\n\n if (_soldTokens + amount > _collectionSize) revert CollectionSoldOut();\n\n if (_currentPhase == SalePhase.CLOSED) revert PresaleNotOpen();\n\n address signer = ECDSAUpgradeable.recover(\n ECDSAUpgradeable.toEthSignedMessageHash(\n keccak256(\n abi.encodePacked(\n this.mintPresale.selector, \n address(this), \n block.chainid, \n to,\n freeMinting,\n customFee,\n maxAmount,\n soulbound\n )\n )\n ),\n signature\n );\n\n if (signer != N2M_PRESALE_SIGNER && signer != owner()) revert SignatureMismatch();\n\n if (freeMinting) {\n\n if (msg.value != 0) revert InvalidMintFeeForFreeMinting();\n } else {\n\n if (customFee == 0) customFee = _mintPrice;\n _requirePayment(customFee, amount);\n }\n\n if (_mintingType == MintingType.SPECIFY) {\n\n if (tokenIds.length != amount) revert InvalidInputSizesDontMatch();\n _mintSpecify(to, tokenIds, soulbound);\n } else if (_mintingType == MintingType.RANDOM) {\n bytes32 seed = keccak256(abi.encodePacked(signature));\n _soldTokens += uint32(amount);\n _mintRandom(to, amount, seed, soulbound);\n } else if (_mintingType == MintingType.SEQUENTIAL) {\n _mintSequential(to, amount, soulbound);\n } else {\n\n revert PresaleInvalidMintingType();\n }\n }\n\n /// @notice Returns the minting price of one NFT.\n /// @return Mint price for one NFT in native coin or ERC-20.\n function mintPrice() external view returns (uint256) {\n return _mintPrice;\n }\n\n /// @notice Returns the current total supply.\n /// @return Current total supply.\n function totalSupply() external view returns (uint256) {\n return _soldTokens;\n }\n\n /// @notice Max amount of NFTs to be hold per address.\n /// @return Max per address allowed.\n function maxPerAddress() external view override returns (uint16) {\n return _maxPerAddress;\n }\n\n /// @notice Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of exchange. The royalty amount is denominated and should be paid in that same unit of exchange.\n /// @param salePrice The sale price\n /// @return receiver the receiver of the royalties.\n /// @return royaltyAmount the amount of the royalties for the given input.\n function royaltyInfo(\n uint256, \n uint256 salePrice\n ) external view virtual returns (address receiver, uint256 royaltyAmount) {\n\n return (address(this), uint256((salePrice * _royaltyFee) / 100_00));\n }\n\n function _requirePaymentWithAffiliates(uint256 amount, address affiliate)\n internal\n {\n uint16 currentUserDiscount;\n uint16 currentAffiliatePercentage;\n if (_affiliatesInfo[affiliate].enabled) {\n currentUserDiscount = _affiliatesInfo[affiliate].userDiscount;\n currentAffiliatePercentage = _affiliatesInfo[affiliate].affiliatePercentage;\n } else {\n currentUserDiscount = _affiliatesInfo[address(0)].userDiscount;\n currentAffiliatePercentage = _affiliatesInfo[address(0)].affiliatePercentage;\n }\n\n uint256 discountMintPrice = ((100_00 - currentUserDiscount) * _mintPrice) / 100_00;\n _requirePayment(discountMintPrice, amount);\n if (affiliate != address(0)) {\n uint256 affiliateAmount = (currentAffiliatePercentage * discountMintPrice * amount) / 100_00;\n _pendingTotalAffiliatesBalance += affiliateAmount;\n _pendingAffiliateBalance[affiliate] += affiliateAmount;\n emit AffiliateSell(affiliate);\n }\n }\n\n function _checkPhase() private {\n\n if (_currentPhase != SalePhase.PUBLIC) {\n if (_currentPhase == SalePhase.DROP_DATE) {\n if (block.timestamp >= _dropDateTimestamp) {\n _currentPhase = SalePhase.PUBLIC;\n delete(_dropDateTimestamp);\n } else {\n revert WaitUntilDropDate();\n }\n } else if (_currentPhase == SalePhase.DROP_AND_END_DATE) {\n if (block.timestamp < _dropDateTimestamp) {\n revert WaitUntilDropDate();\n }\n if (block.timestamp >= _endDateTimestamp) {\n revert SaleFinished();\n }\n } else {\n\n revert PublicSaleNotOpen();\n }\n }\n }\n\n function _requirePayment(uint256 p_mintPrice, uint256 amount) internal {\n if (_isERC20Payment == false) {\n\n if (msg.value != (p_mintPrice * amount)) revert InvalidMintFee();\n } else {\n\n if (p_mintPrice == 0) return;\n uint256 totalAmount = p_mintPrice * amount;\n\n SafeERC20Upgradeable.safeTransferFrom(\n IERC20Upgradeable(_erc20PaymentAddress),\n msg.sender,\n address(this),\n totalAmount\n );\n }\n }\n\n modifier onlyAllowedOperator() {\n\n _isOperatorAllowed(msg.sender);\n _;\n }\n\n modifier onlyAllowedOperatorApproval(address operator) {\n _isOperatorAllowed(operator);\n _;\n } \n\n function _isOperatorAllowed(address operator) private {\n if (_operatorFilterStatus == OperatorFilterStatus.ENABLED_EXISTS) {\n\n operatorFilterRegistry.isOperatorAllowed(address(this), operator);\n\n } else if (_operatorFilterStatus == OperatorFilterStatus.ENABLED_NOT_INITIALIZED) {\n\n if (address(operatorFilterRegistry).code.length > 0) {\n try operatorFilterRegistry.registerAndSubscribe(address(this), DEFAULT_SUBSCRIPTION) {\n\n _operatorFilterStatus = OperatorFilterStatus.ENABLED_EXISTS;\n operatorFilterRegistry.isOperatorAllowed(address(this), operator);\n } catch {\n }\n }\n } \n\n }\n\n fallback() external payable\n {\n address libraryAddress = LIBRARY_ADDRESS;\n\n assembly {\n\n calldatacopy(0, 0, calldatasize())\n\n let result := delegatecall(\n gas(),\n libraryAddress,\n 0,\n calldatasize(),\n 0,\n 0\n )\n\n returndatacopy(0, 0, returndatasize())\n\n switch result\n\n case 0 {\n revert(0, returndatasize())\n }\n default {\n return(0, returndatasize())\n }\n }\n }\n\n receive() external payable {} \n}\n"
},
"contracts/N2MVersion.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@nfts2me/contracts/important/README.sol\";\n\n/// @title NFTs2Me.com Smart Contracts Version\n/// @author The NFTs2Me Team\n/// @notice Read our terms of service\n/// @custom:security-contact security@nfts2me.com\n/// @custom:terms-of-service https://nfts2me.com/terms-of-service/\n/// @custom:website https://nfts2me.com/\nabstract contract N2MVersion is Readme {\n /// @notice Current version of the nfts2me.com contracts.\n function n2mVersion() virtual external pure returns (uint256) {\n return 1000;\n }\n\n}\n"
},
"contracts/ownable/NFTOwnableUpgradeable.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol\";\n\n/// @title NFTs2Me.com Smart Contracts\n/// @author The NFTs2Me Team\n/// @notice Read our terms of service\n/// @custom:security-contact security@nfts2me.com\n/// @custom:terms-of-service https://nfts2me.com/terms-of-service/\n/// @custom:website https://nfts2me.com/\nabstract contract NFTOwnableUpgradeable is Initializable, ContextUpgradeable {\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n modifier onlyStrictOwner() {\n _checkStrictOwner();\n _;\n }\n\n modifier onlyOwnerOrN2M() {\n _checkOwnerOrN2M();\n _;\n }\n\n modifier onlyN2M() {\n _checkN2M();\n _;\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address);\n function _strictOwner() internal view virtual returns (address);\n function _getN2MFeeAddress() internal view virtual returns (address);\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n require(owner() == msg.sender, \"Ownable: caller is not the owner\");\n }\n\n function _checkStrictOwner() internal view virtual {\n require(_strictOwner() == msg.sender, \"Ownable: caller is not the owner\");\n }\n\n function _checkOwnerOrN2M() internal view virtual {\n require(owner() == msg.sender || _getN2MFeeAddress() == msg.sender, \"Ownable: caller is not the owner\");\n }\n\n function _checkN2M() internal view virtual {\n require(_getN2MFeeAddress() == msg.sender, \"Ownable: caller is not the owner\");\n }\n\n}"
},
"contracts/TextUtils.sol": {
"content": "/** ---------------------------------------------------------------------------- //\n * //\n * .:::. //\n * .:::::::. //\n * ::::::::. //\n * .:::::::::. //\n * ..:::. .. //\n * .::::. ::::.. //\n * ..:::.. ::::::::. //\n * .::::. :::. ..:::. //\n * ..:::.. :::. .:::. //\n * .::::. :::. .:::.. //\n * .:::.. .. :::. .::::. //\n * .::::. ..:::=- :::: ..:::. //\n * :::. .:::::::===: ::::::. .:::: //\n * .::. .:::::::::::=====. ::::::::::. .::. //\n * .:: .:::::::::::::::=======. :::::::::::::.. ::. //\n * .:: .::::::::::::::::========- ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==========: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::============: ::::::::::::::::: ::. //\n * .:: .::::::::::::::::==============. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::===============-. ::::::::::::::::: ::. //\n * .:: .::::::::::::::::=================:::::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .::::::::::::::::==================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::::=================-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-===============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .==============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :============-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: :==========-:::::::::::::::: ::. //\n * .:: .:::::::::::::::: .-========-:::::::::::::::: ::. //\n * .:: .:::::::::::::: .=======-::::::::::::::. ::. //\n * .::. .:::::::::: .=====-::::::::::.. ::. //\n * :::.. ..:::::: :===-::::::.. .:::. //\n * .:::.. .::: -=-:::. .::::. //\n * .::::. .::: .. .::::. //\n * .::::. .::: ..:::. //\n * .:::. .::: .::::. //\n * .:::.. .::: ..:::.. //\n * .::::.::: .::::. //\n * ..:::: ..:::.. //\n * .: .::::. //\n * :::::.::::. //\n * ::::::::. //\n * :::::::. //\n * .::::. //\n * //\n * //\n * Smart contract generated by https://nfts2me.com //\n * //\n * NFTs2Me. Make an NFT Collection. //\n * With ZERO Coding Skills. //\n * //\n * NFTs2Me is not associated or affiliated with this project. //\n * NFTs2Me is not liable for any bugs or issues associated with this contract. //\n * NFTs2Me Terms of Service: https://nfts2me.com/terms-of-service/ //\n * ----------------------------------------------------------------------------- */\n\n/// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.17;\nbytes constant BASE64_TABLE = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\n/// @title NFTs2Me.com TextUtils Library\n/// @author The NFTs2Me Team\n/// @notice Read our terms of service\n/// @custom:security-contact security@nfts2me.com\n/// @custom:terms-of-service https://nfts2me.com/terms-of-service/\n/// @custom:website https://nfts2me.com/\nlibrary TextUtils {\n\n /// @notice Encodes some bytes to the base64 representation\n function base64Encode(bytes memory data)\n internal\n pure\n returns (string memory)\n {\n uint256 len = data.length;\n if (len == 0) return \"\";\n\n uint256 encodedLen = 4 * ((len + 2) / 3);\n\n bytes memory result = new bytes(encodedLen + 32);\n\n bytes memory table = BASE64_TABLE;\n\n assembly {\n let tablePtr := add(table, 1)\n let resultPtr := add(result, 32)\n\n for {\n let i := 0\n } lt(i, len) {\n\n } {\n i := add(i, 3)\n let input := and(mload(add(data, i)), 0xffffff)\n\n let out := mload(add(tablePtr, and(shr(18, input), 0x3F)))\n out := shl(8, out)\n out := add(\n out,\n and(mload(add(tablePtr, and(shr(12, input), 0x3F))), 0xFF)\n )\n out := shl(8, out)\n out := add(\n out,\n and(mload(add(tablePtr, and(shr(6, input), 0x3F))), 0xFF)\n )\n out := shl(8, out)\n out := add(\n out,\n and(mload(add(tablePtr, and(input, 0x3F))), 0xFF)\n )\n out := shl(224, out)\n\n mstore(resultPtr, out)\n\n resultPtr := add(resultPtr, 4)\n }\n\n switch mod(len, 3)\n case 1 {\n mstore(sub(resultPtr, 2), shl(240, 0x3d3d))\n }\n case 2 {\n mstore(sub(resultPtr, 1), shl(248, 0x3d))\n }\n\n mstore(result, encodedLen)\n }\n\n return string(result);\n }\n\n function escapeQuotesAndBackslash(string memory symbol)\n internal\n pure\n returns (string memory)\n {\n bytes memory symbolBytes = bytes(symbol);\n uint8 quotesCount;\n for (uint8 i; i < symbolBytes.length; ) {\n if (symbolBytes[i] == '\"' || symbolBytes[i] == \"\\\\\") {\n unchecked {\n ++quotesCount;\n }\n }\n unchecked {\n ++i;\n }\n }\n if (quotesCount > 0) {\n bytes memory escapedBytes = new bytes(\n symbolBytes.length + (quotesCount)\n );\n uint256 index;\n for (uint8 i; i < symbolBytes.length; ) {\n if (symbolBytes[i] == '\"' || symbolBytes[i] == \"\\\\\") {\n escapedBytes[index++] = \"\\\\\";\n }\n escapedBytes[index++] = symbolBytes[i];\n unchecked {\n ++i;\n }\n }\n return string(escapedBytes);\n }\n return symbol;\n } \n}"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 17766
},
"viaIR": true,
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"metadata": {
"useLiteralContent": true
},
"libraries": {}
}
}}
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1 | 19,498,448 |
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1042cd3891e1ad2f72cc1ebf95562d9641adfbe5
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a4ffbc66797d10a7ab802553133afc1041a9921c
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3d602d80600a3d3981f3363d3d373d3d3d363d73ec9787956f21865cb11aaa891cfdda5a153509bc5af43d82803e903d91602b57fd5bf3
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363d3d373d3d3d363d73ec9787956f21865cb11aaa891cfdda5a153509bc5af43d82803e903d91602b57fd5bf3
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{{
"language": "Solidity",
"sources": {
"@openzeppelin/contracts/access/AccessControl.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (access/AccessControl.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IAccessControl.sol\";\nimport \"../utils/Context.sol\";\nimport \"../utils/Strings.sol\";\nimport \"../utils/introspection/ERC165.sol\";\n\n/**\n * @dev Contract module that allows children to implement role-based access\n * control mechanisms. This is a lightweight version that doesn't allow enumerating role\n * members except through off-chain means by accessing the contract event logs. Some\n * applications may benefit from on-chain enumerability, for those cases see\n * {AccessControlEnumerable}.\n *\n * Roles are referred to by their `bytes32` identifier. These should be exposed\n * in the external API and be unique. The best way to achieve this is by\n * using `public constant` hash digests:\n *\n * ```solidity\n * bytes32 public constant MY_ROLE = keccak256(\"MY_ROLE\");\n * ```\n *\n * Roles can be used to represent a set of permissions. To restrict access to a\n * function call, use {hasRole}:\n *\n * ```solidity\n * function foo() public {\n * require(hasRole(MY_ROLE, msg.sender));\n * ...\n * }\n * ```\n *\n * Roles can be granted and revoked dynamically via the {grantRole} and\n * {revokeRole} functions. Each role has an associated admin role, and only\n * accounts that have a role's admin role can call {grantRole} and {revokeRole}.\n *\n * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means\n * that only accounts with this role will be able to grant or revoke other\n * roles. More complex role relationships can be created by using\n * {_setRoleAdmin}.\n *\n * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to\n * grant and revoke this role. Extra precautions should be taken to secure\n * accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}\n * to enforce additional security measures for this role.\n */\nabstract contract AccessControl is Context, IAccessControl, ERC165 {\n struct RoleData {\n mapping(address => bool) members;\n bytes32 adminRole;\n }\n\n mapping(bytes32 => RoleData) private _roles;\n\n bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;\n\n /**\n * @dev Modifier that checks that an account has a specific role. Reverts\n * with a standardized message including the required role.\n *\n * The format of the revert reason is given by the following regular expression:\n *\n * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n *\n * _Available since v4.1._\n */\n modifier onlyRole(bytes32 role) {\n _checkRole(role);\n _;\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev Returns `true` if `account` has been granted `role`.\n */\n function hasRole(bytes32 role, address account) public view virtual override returns (bool) {\n return _roles[role].members[account];\n }\n\n /**\n * @dev Revert with a standard message if `_msgSender()` is missing `role`.\n * Overriding this function changes the behavior of the {onlyRole} modifier.\n *\n * Format of the revert message is described in {_checkRole}.\n *\n * _Available since v4.6._\n */\n function _checkRole(bytes32 role) internal view virtual {\n _checkRole(role, _msgSender());\n }\n\n /**\n * @dev Revert with a standard message if `account` is missing `role`.\n *\n * The format of the revert reason is given by the following regular expression:\n *\n * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n */\n function _checkRole(bytes32 role, address account) internal view virtual {\n if (!hasRole(role, account)) {\n revert(\n string(\n abi.encodePacked(\n \"AccessControl: account \",\n Strings.toHexString(account),\n \" is missing role \",\n Strings.toHexString(uint256(role), 32)\n )\n )\n );\n }\n }\n\n /**\n * @dev Returns the admin role that controls `role`. See {grantRole} and\n * {revokeRole}.\n *\n * To change a role's admin, use {_setRoleAdmin}.\n */\n function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {\n return _roles[role].adminRole;\n }\n\n /**\n * @dev Grants `role` to `account`.\n *\n * If `account` had not been already granted `role`, emits a {RoleGranted}\n * event.\n *\n * Requirements:\n *\n * - the caller must have ``role``'s admin role.\n *\n * May emit a {RoleGranted} event.\n */\n function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n _grantRole(role, account);\n }\n\n /**\n * @dev Revokes `role` from `account`.\n *\n * If `account` had been granted `role`, emits a {RoleRevoked} event.\n *\n * Requirements:\n *\n * - the caller must have ``role``'s admin role.\n *\n * May emit a {RoleRevoked} event.\n */\n function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n _revokeRole(role, account);\n }\n\n /**\n * @dev Revokes `role` from the calling account.\n *\n * Roles are often managed via {grantRole} and {revokeRole}: this function's\n * purpose is to provide a mechanism for accounts to lose their privileges\n * if they are compromised (such as when a trusted device is misplaced).\n *\n * If the calling account had been revoked `role`, emits a {RoleRevoked}\n * event.\n *\n * Requirements:\n *\n * - the caller must be `account`.\n *\n * May emit a {RoleRevoked} event.\n */\n function renounceRole(bytes32 role, address account) public virtual override {\n require(account == _msgSender(), \"AccessControl: can only renounce roles for self\");\n\n _revokeRole(role, account);\n }\n\n /**\n * @dev Grants `role` to `account`.\n *\n * If `account` had not been already granted `role`, emits a {RoleGranted}\n * event. Note that unlike {grantRole}, this function doesn't perform any\n * checks on the calling account.\n *\n * May emit a {RoleGranted} event.\n *\n * [WARNING]\n * ====\n * This function should only be called from the constructor when setting\n * up the initial roles for the system.\n *\n * Using this function in any other way is effectively circumventing the admin\n * system imposed by {AccessControl}.\n * ====\n *\n * NOTE: This function is deprecated in favor of {_grantRole}.\n */\n function _setupRole(bytes32 role, address account) internal virtual {\n _grantRole(role, account);\n }\n\n /**\n * @dev Sets `adminRole` as ``role``'s admin role.\n *\n * Emits a {RoleAdminChanged} event.\n */\n function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {\n bytes32 previousAdminRole = getRoleAdmin(role);\n _roles[role].adminRole = adminRole;\n emit RoleAdminChanged(role, previousAdminRole, adminRole);\n }\n\n /**\n * @dev Grants `role` to `account`.\n *\n * Internal function without access restriction.\n *\n * May emit a {RoleGranted} event.\n */\n function _grantRole(bytes32 role, address account) internal virtual {\n if (!hasRole(role, account)) {\n _roles[role].members[account] = true;\n emit RoleGranted(role, account, _msgSender());\n }\n }\n\n /**\n * @dev Revokes `role` from `account`.\n *\n * Internal function without access restriction.\n *\n * May emit a {RoleRevoked} event.\n */\n function _revokeRole(bytes32 role, address account) internal virtual {\n if (hasRole(role, account)) {\n _roles[role].members[account] = false;\n emit RoleRevoked(role, account, _msgSender());\n }\n }\n}\n"
},
"@openzeppelin/contracts/access/IAccessControl.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev External interface of AccessControl declared to support ERC165 detection.\n */\ninterface IAccessControl {\n /**\n * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`\n *\n * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite\n * {RoleAdminChanged} not being emitted signaling this.\n *\n * _Available since v3.1._\n */\n event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);\n\n /**\n * @dev Emitted when `account` is granted `role`.\n *\n * `sender` is the account that originated the contract call, an admin role\n * bearer except when using {AccessControl-_setupRole}.\n */\n event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);\n\n /**\n * @dev Emitted when `account` is revoked `role`.\n *\n * `sender` is the account that originated the contract call:\n * - if using `revokeRole`, it is the admin role bearer\n * - if using `renounceRole`, it is the role bearer (i.e. `account`)\n */\n event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);\n\n /**\n * @dev Returns `true` if `account` has been granted `role`.\n */\n function hasRole(bytes32 role, address account) external view returns (bool);\n\n /**\n * @dev Returns the admin role that controls `role`. See {grantRole} and\n * {revokeRole}.\n *\n * To change a role's admin, use {AccessControl-_setRoleAdmin}.\n */\n function getRoleAdmin(bytes32 role) external view returns (bytes32);\n\n /**\n * @dev Grants `role` to `account`.\n *\n * If `account` had not been already granted `role`, emits a {RoleGranted}\n * event.\n *\n * Requirements:\n *\n * - the caller must have ``role``'s admin role.\n */\n function grantRole(bytes32 role, address account) external;\n\n /**\n * @dev Revokes `role` from `account`.\n *\n * If `account` had been granted `role`, emits a {RoleRevoked} event.\n *\n * Requirements:\n *\n * - the caller must have ``role``'s admin role.\n */\n function revokeRole(bytes32 role, address account) external;\n\n /**\n * @dev Revokes `role` from the calling account.\n *\n * Roles are often managed via {grantRole} and {revokeRole}: this function's\n * purpose is to provide a mechanism for accounts to lose their privileges\n * if they are compromised (such as when a trusted device is misplaced).\n *\n * If the calling account had been granted `role`, emits a {RoleRevoked}\n * event.\n *\n * Requirements:\n *\n * - the caller must be `account`.\n */\n function renounceRole(bytes32 role, address account) external;\n}\n"
},
"@openzeppelin/contracts/interfaces/IERC1271.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC1271 standard signature validation method for\n * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].\n *\n * _Available since v4.1._\n */\ninterface IERC1271 {\n /**\n * @dev Should return whether the signature provided is valid for the provided data\n * @param hash Hash of the data to be signed\n * @param signature Signature byte array associated with _data\n */\n function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);\n}\n"
},
"@openzeppelin/contracts/proxy/utils/Initializable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/Address.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```solidity\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n *\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n */\n uint8 private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint8 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts.\n *\n * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a\n * constructor.\n *\n * Emits an {Initialized} event.\n */\n modifier initializer() {\n bool isTopLevelCall = !_initializing;\n require(\n (isTopLevelCall && _initialized < 1) || (!Address.isContract(address(this)) && _initialized == 1),\n \"Initializable: contract is already initialized\"\n );\n _initialized = 1;\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * A reinitializer may be used after the original initialization step. This is essential to configure modules that\n * are added through upgrades and that require initialization.\n *\n * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n * cannot be nested. If one is invoked in the context of another, execution will revert.\n *\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n *\n * WARNING: setting the version to 255 will prevent any future reinitialization.\n *\n * Emits an {Initialized} event.\n */\n modifier reinitializer(uint8 version) {\n require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n _initialized = version;\n _initializing = true;\n _;\n _initializing = false;\n emit Initialized(version);\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n */\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n /**\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n *\n * Emits an {Initialized} event the first time it is successfully executed.\n */\n function _disableInitializers() internal virtual {\n require(!_initializing, \"Initializable: contract is initializing\");\n if (_initialized != type(uint8).max) {\n _initialized = type(uint8).max;\n emit Initialized(type(uint8).max);\n }\n }\n\n /**\n * @dev Returns the highest version that has been initialized. See {reinitializer}.\n */\n function _getInitializedVersion() internal view returns (uint8) {\n return _initialized;\n }\n\n /**\n * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.\n */\n function _isInitializing() internal view returns (bool) {\n return _initializing;\n }\n}\n"
},
"@openzeppelin/contracts/security/ReentrancyGuard.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n */\nabstract contract ReentrancyGuard {\n // Booleans are more expensive than uint256 or any type that takes up a full\n // word because each write operation emits an extra SLOAD to first read the\n // slot's contents, replace the bits taken up by the boolean, and then write\n // back. This is the compiler's defense against contract upgrades and\n // pointer aliasing, and it cannot be disabled.\n\n // The values being non-zero value makes deployment a bit more expensive,\n // but in exchange the refund on every call to nonReentrant will be lower in\n // amount. Since refunds are capped to a percentage of the total\n // transaction's gas, it is best to keep them low in cases like this one, to\n // increase the likelihood of the full refund coming into effect.\n uint256 private constant _NOT_ENTERED = 1;\n uint256 private constant _ENTERED = 2;\n\n uint256 private _status;\n\n constructor() {\n _status = _NOT_ENTERED;\n }\n\n /**\n * @dev Prevents a contract from calling itself, directly or indirectly.\n * Calling a `nonReentrant` function from another `nonReentrant`\n * function is not supported. It is possible to prevent this from happening\n * by making the `nonReentrant` function external, and making it call a\n * `private` function that does the actual work.\n */\n modifier nonReentrant() {\n _nonReentrantBefore();\n _;\n _nonReentrantAfter();\n }\n\n function _nonReentrantBefore() private {\n // On the first call to nonReentrant, _status will be _NOT_ENTERED\n require(_status != _ENTERED, \"ReentrancyGuard: reentrant call\");\n\n // Any calls to nonReentrant after this point will fail\n _status = _ENTERED;\n }\n\n function _nonReentrantAfter() private {\n // By storing the original value once again, a refund is triggered (see\n // https://eips.ethereum.org/EIPS/eip-2200)\n _status = _NOT_ENTERED;\n }\n\n /**\n * @dev Returns true if the reentrancy guard is currently set to \"entered\", which indicates there is a\n * `nonReentrant` function in the call stack.\n */\n function _reentrancyGuardEntered() internal view returns (bool) {\n return _status == _ENTERED;\n }\n}\n"
},
"@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n */\ninterface IERC20Permit {\n /**\n * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n * given ``owner``'s signed approval.\n *\n * IMPORTANT: The same issues {IERC20-approve} has related to transaction\n * ordering also apply here.\n *\n * Emits an {Approval} event.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n * - `deadline` must be a timestamp in the future.\n * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n * over the EIP712-formatted function arguments.\n * - the signature must use ``owner``'s current nonce (see {nonces}).\n *\n * For more information on the signature format, see the\n * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n * section].\n */\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) external;\n\n /**\n * @dev Returns the current nonce for `owner`. This value must be\n * included whenever a signature is generated for {permit}.\n *\n * Every successful call to {permit} increases ``owner``'s nonce by one. This\n * prevents a signature from being used multiple times.\n */\n function nonces(address owner) external view returns (uint256);\n\n /**\n * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n */\n // solhint-disable-next-line func-name-mixedcase\n function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n"
},
"@openzeppelin/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(address from, address to, uint256 amount) external returns (bool);\n}\n"
},
"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\nimport \"../extensions/IERC20Permit.sol\";\nimport \"../../../utils/Address.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n using Address for address;\n\n /**\n * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,\n * non-reverting calls are assumed to be successful.\n */\n function safeTransfer(IERC20 token, address to, uint256 value) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n }\n\n /**\n * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the\n * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.\n */\n function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n }\n\n /**\n * @dev Deprecated. This function has issues similar to the ones found in\n * {IERC20-approve}, and its usage is discouraged.\n *\n * Whenever possible, use {safeIncreaseAllowance} and\n * {safeDecreaseAllowance} instead.\n */\n function safeApprove(IERC20 token, address spender, uint256 value) internal {\n // safeApprove should only be called when setting an initial allowance,\n // or when resetting it to zero. To increase and decrease it, use\n // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n require(\n (value == 0) || (token.allowance(address(this), spender) == 0),\n \"SafeERC20: approve from non-zero to non-zero allowance\"\n );\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n }\n\n /**\n * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n * non-reverting calls are assumed to be successful.\n */\n function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n uint256 oldAllowance = token.allowance(address(this), spender);\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));\n }\n\n /**\n * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n * non-reverting calls are assumed to be successful.\n */\n function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n unchecked {\n uint256 oldAllowance = token.allowance(address(this), spender);\n require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));\n }\n }\n\n /**\n * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,\n * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval\n * to be set to zero before setting it to a non-zero value, such as USDT.\n */\n function forceApprove(IERC20 token, address spender, uint256 value) internal {\n bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);\n\n if (!_callOptionalReturnBool(token, approvalCall)) {\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));\n _callOptionalReturn(token, approvalCall);\n }\n }\n\n /**\n * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.\n * Revert on invalid signature.\n */\n function safePermit(\n IERC20Permit token,\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal {\n uint256 nonceBefore = token.nonces(owner);\n token.permit(owner, spender, value, deadline, v, r, s);\n uint256 nonceAfter = token.nonces(owner);\n require(nonceAfter == nonceBefore + 1, \"SafeERC20: permit did not succeed\");\n }\n\n /**\n * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n * on the return value: the return value is optional (but if data is returned, it must not be false).\n * @param token The token targeted by the call.\n * @param data The call data (encoded using abi.encode or one of its variants).\n */\n function _callOptionalReturn(IERC20 token, bytes memory data) private {\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that\n // the target address contains contract code and also asserts for success in the low-level call.\n\n bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n require(returndata.length == 0 || abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n }\n\n /**\n * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n * on the return value: the return value is optional (but if data is returned, it must not be false).\n * @param token The token targeted by the call.\n * @param data The call data (encoded using abi.encode or one of its variants).\n *\n * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.\n */\n function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false\n // and not revert is the subcall reverts.\n\n (bool success, bytes memory returndata) = address(token).call(data);\n return\n success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));\n }\n}\n"
},
"@openzeppelin/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n *\n * Furthermore, `isContract` will also return true if the target contract within\n * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,\n * which only has an effect at the end of a transaction.\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n *\n * _Available since v4.8._\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n if (success) {\n if (returndata.length == 0) {\n // only check isContract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n require(isContract(target), \"Address: call to non-contract\");\n }\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason or using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n function _revert(bytes memory returndata, string memory errorMessage) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n}\n"
},
"@openzeppelin/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n"
},
"@openzeppelin/contracts/utils/cryptography/ECDSA.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../Strings.sol\";\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSA {\n enum RecoverError {\n NoError,\n InvalidSignature,\n InvalidSignatureLength,\n InvalidSignatureS,\n InvalidSignatureV // Deprecated in v4.8\n }\n\n function _throwError(RecoverError error) private pure {\n if (error == RecoverError.NoError) {\n return; // no error: do nothing\n } else if (error == RecoverError.InvalidSignature) {\n revert(\"ECDSA: invalid signature\");\n } else if (error == RecoverError.InvalidSignatureLength) {\n revert(\"ECDSA: invalid signature length\");\n } else if (error == RecoverError.InvalidSignatureS) {\n revert(\"ECDSA: invalid signature 's' value\");\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature` or error string. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n *\n * Documentation for signature generation:\n * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n *\n * _Available since v4.3._\n */\n function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {\n if (signature.length == 65) {\n bytes32 r;\n bytes32 s;\n uint8 v;\n // ecrecover takes the signature parameters, and the only way to get them\n // currently is to use assembly.\n /// @solidity memory-safe-assembly\n assembly {\n r := mload(add(signature, 0x20))\n s := mload(add(signature, 0x40))\n v := byte(0, mload(add(signature, 0x60)))\n }\n return tryRecover(hash, v, r, s);\n } else {\n return (address(0), RecoverError.InvalidSignatureLength);\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature`. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n */\n function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, signature);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n *\n * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n *\n * _Available since v4.3._\n */\n function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) {\n bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n uint8 v = uint8((uint256(vs) >> 255) + 27);\n return tryRecover(hash, v, r, s);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n *\n * _Available since v4.2._\n */\n function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, r, vs);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n * `r` and `s` signature fields separately.\n *\n * _Available since v4.3._\n */\n function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {\n // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n //\n // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n // these malleable signatures as well.\n if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n return (address(0), RecoverError.InvalidSignatureS);\n }\n\n // If the signature is valid (and not malleable), return the signer address\n address signer = ecrecover(hash, v, r, s);\n if (signer == address(0)) {\n return (address(0), RecoverError.InvalidSignature);\n }\n\n return (signer, RecoverError.NoError);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `v`,\n * `r` and `s` signature fields separately.\n */\n function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, v, r, s);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from a `hash`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */\n function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {\n // 32 is the length in bytes of hash,\n // enforced by the type signature above\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, \"\\x19Ethereum Signed Message:\\n32\")\n mstore(0x1c, hash)\n message := keccak256(0x00, 0x3c)\n }\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from `s`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */\n function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n\", Strings.toString(s.length), s));\n }\n\n /**\n * @dev Returns an Ethereum Signed Typed Data, created from a\n * `domainSeparator` and a `structHash`. This produces hash corresponding\n * to the one signed with the\n * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]\n * JSON-RPC method as part of EIP-712.\n *\n * See {recover}.\n */\n function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {\n /// @solidity memory-safe-assembly\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, \"\\x19\\x01\")\n mstore(add(ptr, 0x02), domainSeparator)\n mstore(add(ptr, 0x22), structHash)\n data := keccak256(ptr, 0x42)\n }\n }\n\n /**\n * @dev Returns an Ethereum Signed Data with intended validator, created from a\n * `validator` and `data` according to the version 0 of EIP-191.\n *\n * See {recover}.\n */\n function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19\\x00\", validator, data));\n }\n}\n"
},
"@openzeppelin/contracts/utils/introspection/ERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n"
},
"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"@openzeppelin/contracts/utils/math/Math.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\n enum Rounding {\n Down, // Toward negative infinity\n Up, // Toward infinity\n Zero // Toward zero\n }\n\n /**\n * @dev Returns the largest of two numbers.\n */\n function max(uint256 a, uint256 b) internal pure returns (uint256) {\n return a > b ? a : b;\n }\n\n /**\n * @dev Returns the smallest of two numbers.\n */\n function min(uint256 a, uint256 b) internal pure returns (uint256) {\n return a < b ? a : b;\n }\n\n /**\n * @dev Returns the average of two numbers. The result is rounded towards\n * zero.\n */\n function average(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b) / 2 can overflow.\n return (a & b) + (a ^ b) / 2;\n }\n\n /**\n * @dev Returns the ceiling of the division of two numbers.\n *\n * This differs from standard division with `/` in that it rounds up instead\n * of rounding down.\n */\n function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b - 1) / b can overflow on addition, so we distribute.\n return a == 0 ? 0 : (a - 1) / b + 1;\n }\n\n /**\n * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0\n * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)\n * with further edits by Uniswap Labs also under MIT license.\n */\n function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n unchecked {\n // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use\n // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n // variables such that product = prod1 * 2^256 + prod0.\n uint256 prod0; // Least significant 256 bits of the product\n uint256 prod1; // Most significant 256 bits of the product\n assembly {\n let mm := mulmod(x, y, not(0))\n prod0 := mul(x, y)\n prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n }\n\n // Handle non-overflow cases, 256 by 256 division.\n if (prod1 == 0) {\n // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n // The surrounding unchecked block does not change this fact.\n // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n return prod0 / denominator;\n }\n\n // Make sure the result is less than 2^256. Also prevents denominator == 0.\n require(denominator > prod1, \"Math: mulDiv overflow\");\n\n ///////////////////////////////////////////////\n // 512 by 256 division.\n ///////////////////////////////////////////////\n\n // Make division exact by subtracting the remainder from [prod1 prod0].\n uint256 remainder;\n assembly {\n // Compute remainder using mulmod.\n remainder := mulmod(x, y, denominator)\n\n // Subtract 256 bit number from 512 bit number.\n prod1 := sub(prod1, gt(remainder, prod0))\n prod0 := sub(prod0, remainder)\n }\n\n // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.\n // See https://cs.stackexchange.com/q/138556/92363.\n\n // Does not overflow because the denominator cannot be zero at this stage in the function.\n uint256 twos = denominator & (~denominator + 1);\n assembly {\n // Divide denominator by twos.\n denominator := div(denominator, twos)\n\n // Divide [prod1 prod0] by twos.\n prod0 := div(prod0, twos)\n\n // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.\n twos := add(div(sub(0, twos), twos), 1)\n }\n\n // Shift in bits from prod1 into prod0.\n prod0 |= prod1 * twos;\n\n // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such\n // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for\n // four bits. That is, denominator * inv = 1 mod 2^4.\n uint256 inverse = (3 * denominator) ^ 2;\n\n // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works\n // in modular arithmetic, doubling the correct bits in each step.\n inverse *= 2 - denominator * inverse; // inverse mod 2^8\n inverse *= 2 - denominator * inverse; // inverse mod 2^16\n inverse *= 2 - denominator * inverse; // inverse mod 2^32\n inverse *= 2 - denominator * inverse; // inverse mod 2^64\n inverse *= 2 - denominator * inverse; // inverse mod 2^128\n inverse *= 2 - denominator * inverse; // inverse mod 2^256\n\n // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is\n // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1\n // is no longer required.\n result = prod0 * inverse;\n return result;\n }\n }\n\n /**\n * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.\n */\n function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n uint256 result = mulDiv(x, y, denominator);\n if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {\n result += 1;\n }\n return result;\n }\n\n /**\n * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.\n *\n * Inspired by Henry S. Warren, Jr.'s \"Hacker's Delight\" (Chapter 11).\n */\n function sqrt(uint256 a) internal pure returns (uint256) {\n if (a == 0) {\n return 0;\n }\n\n // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.\n //\n // We know that the \"msb\" (most significant bit) of our target number `a` is a power of 2 such that we have\n // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.\n //\n // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`\n // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`\n // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`\n //\n // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.\n uint256 result = 1 << (log2(a) >> 1);\n\n // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,\n // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at\n // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision\n // into the expected uint128 result.\n unchecked {\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n return min(result, a / result);\n }\n }\n\n /**\n * @notice Calculates sqrt(a), following the selected rounding direction.\n */\n function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = sqrt(a);\n return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 2, rounded down, of a positive value.\n * Returns 0 if given 0.\n */\n function log2(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 128;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 64;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 32;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 16;\n }\n if (value >> 8 > 0) {\n value >>= 8;\n result += 8;\n }\n if (value >> 4 > 0) {\n value >>= 4;\n result += 4;\n }\n if (value >> 2 > 0) {\n value >>= 2;\n result += 2;\n }\n if (value >> 1 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /**\n * @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n */\n function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log2(value);\n return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 10, rounded down, of a positive value.\n * Returns 0 if given 0.\n */\n function log10(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >= 10 ** 64) {\n value /= 10 ** 64;\n result += 64;\n }\n if (value >= 10 ** 32) {\n value /= 10 ** 32;\n result += 32;\n }\n if (value >= 10 ** 16) {\n value /= 10 ** 16;\n result += 16;\n }\n if (value >= 10 ** 8) {\n value /= 10 ** 8;\n result += 8;\n }\n if (value >= 10 ** 4) {\n value /= 10 ** 4;\n result += 4;\n }\n if (value >= 10 ** 2) {\n value /= 10 ** 2;\n result += 2;\n }\n if (value >= 10 ** 1) {\n result += 1;\n }\n }\n return result;\n }\n\n /**\n * @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n */\n function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log10(value);\n return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 256, rounded down, of a positive value.\n * Returns 0 if given 0.\n *\n * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n */\n function log256(uint256 value) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 16;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 8;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 4;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 2;\n }\n if (value >> 8 > 0) {\n result += 1;\n }\n }\n return result;\n }\n\n /**\n * @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n */\n function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log256(value);\n return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);\n }\n }\n}\n"
},
"@openzeppelin/contracts/utils/math/SignedMath.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Standard signed math utilities missing in the Solidity language.\n */\nlibrary SignedMath {\n /**\n * @dev Returns the largest of two signed numbers.\n */\n function max(int256 a, int256 b) internal pure returns (int256) {\n return a > b ? a : b;\n }\n\n /**\n * @dev Returns the smallest of two signed numbers.\n */\n function min(int256 a, int256 b) internal pure returns (int256) {\n return a < b ? a : b;\n }\n\n /**\n * @dev Returns the average of two signed numbers without overflow.\n * The result is rounded towards zero.\n */\n function average(int256 a, int256 b) internal pure returns (int256) {\n // Formula from the book \"Hacker's Delight\"\n int256 x = (a & b) + ((a ^ b) >> 1);\n return x + (int256(uint256(x) >> 255) & (a ^ b));\n }\n\n /**\n * @dev Returns the absolute unsigned value of a signed value.\n */\n function abs(int256 n) internal pure returns (uint256) {\n unchecked {\n // must be unchecked in order to support `n = type(int256).min`\n return uint256(n >= 0 ? n : -n);\n }\n }\n}\n"
},
"@openzeppelin/contracts/utils/Strings.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./math/Math.sol\";\nimport \"./math/SignedMath.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n bytes16 private constant _SYMBOLS = \"0123456789abcdef\";\n uint8 private constant _ADDRESS_LENGTH = 20;\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n unchecked {\n uint256 length = Math.log10(value) + 1;\n string memory buffer = new string(length);\n uint256 ptr;\n /// @solidity memory-safe-assembly\n assembly {\n ptr := add(buffer, add(32, length))\n }\n while (true) {\n ptr--;\n /// @solidity memory-safe-assembly\n assembly {\n mstore8(ptr, byte(mod(value, 10), _SYMBOLS))\n }\n value /= 10;\n if (value == 0) break;\n }\n return buffer;\n }\n }\n\n /**\n * @dev Converts a `int256` to its ASCII `string` decimal representation.\n */\n function toString(int256 value) internal pure returns (string memory) {\n return string(abi.encodePacked(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value))));\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n */\n function toHexString(uint256 value) internal pure returns (string memory) {\n unchecked {\n return toHexString(value, Math.log256(value) + 1);\n }\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n\n /**\n * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n */\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n }\n\n /**\n * @dev Returns true if the two strings are equal.\n */\n function equal(string memory a, string memory b) internal pure returns (bool) {\n return keccak256(bytes(a)) == keccak256(bytes(b));\n }\n}\n"
},
"contracts/base/BaseAccessControlInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport {\n CoreAccessControlInitiable,\n CoreAccessControlConfig\n} from \"../core/CoreAccessControl/v1/CoreAccessControlInitiable.sol\";\nimport { CoreStopGuardian } from \"../core/CoreStopGuardian/v1/CoreStopGuardian.sol\";\n\nimport { CoreStopGuardianTrading } from \"../core/CoreStopGuardianTrading/v1/CoreStopGuardianTrading.sol\";\n\nabstract contract BaseAccessControlInitiable is CoreAccessControlInitiable, CoreStopGuardian, CoreStopGuardianTrading {\n /**\n * @dev\n * Modifiers inherited from CoreAccessControl:\n * onlyDefinitive\n * onlyClients\n * onlyWhitelisted\n * onlyClientAdmin\n * onlyDefinitiveAdmin\n *\n * Modifiers inherited from CoreStopGuardian:\n * stopGuarded\n */\n\n function __BaseAccessControlInitiable__init(\n CoreAccessControlConfig calldata coreAccessControlConfig\n ) internal onlyInitializing {\n __CoreAccessControlInitiable__init(coreAccessControlConfig);\n }\n\n /**\n * @dev Inherited from CoreStopGuardian\n */\n function enableStopGuardian() public override onlyAdmins {\n return _enableStopGuardian();\n }\n\n /**\n * @dev Inherited from CoreStopGuardian\n */\n function disableStopGuardian() public override onlyClientAdmin {\n return _disableStopGuardian();\n }\n\n /**\n * @dev Inherited from CoreStopGuardianTrading\n */\n\n function disableTrading() public override onlyAdmins {\n return _disableTrading();\n }\n\n /**\n * @dev Inherited from CoreStopGuardianTrading\n */\n function enableTrading() public override onlyAdmins {\n return _enableTrading();\n }\n\n /**\n * @dev Inherited from CoreStopGuardianTrading\n */\n function disableWithdrawals() public override onlyClientAdmin {\n return _disableWithdrawals();\n }\n\n /**\n * @dev Inherited from CoreStopGuardianTrading\n */\n function enableWithdrawals() public override onlyClientAdmin {\n return _enableWithdrawals();\n }\n}\n"
},
"contracts/base/BaseFeesInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { BaseAccessControlInitiable } from \"./BaseAccessControlInitiable.sol\";\nimport { CoreFeesInitiable, CoreFeesConfig } from \"../core/CoreFees/v1/CoreFeesInitiable.sol\";\nimport { DefinitiveAssets, IERC20 } from \"../core/libraries/DefinitiveAssets.sol\";\nimport { DefinitiveConstants } from \"../core/libraries/DefinitiveConstants.sol\";\nimport { InvalidFeePercent } from \"../core/libraries/DefinitiveErrors.sol\";\n\nabstract contract BaseFeesInitiable is BaseAccessControlInitiable, CoreFeesInitiable {\n using DefinitiveAssets for IERC20;\n\n function __BaseFeesInitiable__init(CoreFeesConfig calldata coreFeesConfig) internal onlyInitializing {\n __CoreFeesInitiable__init(coreFeesConfig);\n }\n\n function updateFeeAccount(address payable _feeAccount) public override onlyDefinitiveAdmin {\n _updateFeeAccount(_feeAccount);\n }\n\n function _handleFeesOnAmount(address token, uint256 amount, uint256 feePct) internal returns (uint256 feeAmount) {\n uint256 mMaxFeePCT = DefinitiveConstants.MAX_FEE_PCT;\n if (feePct > mMaxFeePCT) {\n revert InvalidFeePercent();\n }\n\n feeAmount = (amount * feePct) / mMaxFeePCT;\n if (feeAmount == 0) {\n return feeAmount;\n }\n\n if (token == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {\n DefinitiveAssets.safeTransferETH(FEE_ACCOUNT, feeAmount);\n } else {\n IERC20(token).safeTransfer(FEE_ACCOUNT, feeAmount);\n }\n }\n}\n"
},
"contracts/base/BaseNativeWrapper/v1/BaseNativeWrapperInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { BaseAccessControlInitiable } from \"../../BaseAccessControlInitiable.sol\";\nimport { IBaseNativeWrapperV1 } from \"./IBaseNativeWrapperV1.sol\";\nimport { ReentrancyGuard } from \"@openzeppelin/contracts/security/ReentrancyGuard.sol\";\nimport { DefinitiveAssets, IERC20 } from \"../../../core/libraries/DefinitiveAssets.sol\";\n\nstruct BaseNativeWrapperConfig {\n address payable wrappedNativeAssetAddress;\n}\n\nabstract contract BaseNativeWrapperInitiable is IBaseNativeWrapperV1, BaseAccessControlInitiable, ReentrancyGuard {\n using DefinitiveAssets for IERC20;\n\n address payable public WRAPPED_NATIVE_ASSET_ADDRESS;\n\n function __BaseNativeWrapperInitiable__init(\n BaseNativeWrapperConfig calldata baseNativeWrapperConfig\n ) internal onlyInitializing {\n WRAPPED_NATIVE_ASSET_ADDRESS = baseNativeWrapperConfig.wrappedNativeAssetAddress;\n }\n\n /**\n * @notice Publicly accessible method to wrap native assets\n * @param amount Amount of native assets to wrap\n */\n function wrap(uint256 amount) public onlyWhitelisted nonReentrant {\n _wrap(amount);\n emit NativeAssetWrap(_msgSender(), amount, true /* wrappingToNative */);\n }\n\n /**\n * @notice Publicly accessible method to unwrap native assets\n * @param amount Amount of tokenized assets to unwrap\n */\n function unwrap(uint256 amount) public onlyWhitelisted nonReentrant {\n _unwrap(amount);\n emit NativeAssetWrap(_msgSender(), amount, false /* wrappingToNative */);\n }\n\n /**\n * @notice Publicly accessible method to unwrap full balance of native assets\n * @dev Method is not marked as `nonReentrant` since it is a wrapper around `unwrap`\n */\n function unwrapAll() external onlyWhitelisted {\n return unwrap(DefinitiveAssets.getBalance(WRAPPED_NATIVE_ASSET_ADDRESS));\n }\n\n /**\n * @notice Internal method to wrap native assets\n * @dev Override this method with native asset wrapping implementation\n */\n function _wrap(uint256 amount) internal virtual;\n\n /**\n * @notice Internal method to unwrap native assets\n * @dev Override this method with native asset unwrapping implementation\n */\n function _unwrap(uint256 amount) internal virtual;\n}\n"
},
"contracts/base/BaseNativeWrapper/v1/IBaseNativeWrapperV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\ninterface IBaseNativeWrapperV1 {\n event NativeAssetWrap(address actor, uint256 amount, bool indexed wrappingToNative);\n\n function wrap(uint256 amount) external;\n\n function unwrap(uint256 amount) external;\n\n function unwrapAll() external;\n}\n"
},
"contracts/base/BasePermissionedExecution/BasePermissionedExecutionInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { BaseAccessControlInitiable } from \"../BaseAccessControlInitiable.sol\";\nimport { CallUtils } from \"../../tools/BubbleReverts/BubbleReverts.sol\";\nimport { IBasePermissionedExecution } from \"./IBasePermissionedExecution.sol\";\n\nabstract contract BasePermissionedExecutionInitiable is BaseAccessControlInitiable, IBasePermissionedExecution {\n function executeOperation(address target, bytes calldata payload) external payable override onlyClientAdmin {\n (bool _success, bytes memory _returnedData) = payable(target).call{ value: msg.value }(payload);\n if (!_success) {\n CallUtils.revertFromReturnedData(_returnedData);\n }\n }\n}\n"
},
"contracts/base/BasePermissionedExecution/IBasePermissionedExecution.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { ICoreAccessControlV1 } from \"../../core/CoreAccessControl/v1/ICoreAccessControlV1.sol\";\n\ninterface IBasePermissionedExecution is ICoreAccessControlV1 {\n function executeOperation(address target, bytes calldata payload) external payable;\n}\n"
},
"contracts/base/BaseRecoverSignerInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { IERC1271 } from \"@openzeppelin/contracts/interfaces/IERC1271.sol\";\nimport { ECDSA } from \"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\";\nimport { BaseAccessControlInitiable } from \"./BaseAccessControlInitiable.sol\";\nimport { AccountNotAdmin, InvalidSignature } from \"../core/libraries/DefinitiveErrors.sol\";\n\n/**\n * @title BaseRecoverSignerInitiable\n * @author WardenJakx\n * @notice `isValidSignature` ensures the signer is a valid client\n */\nabstract contract BaseRecoverSignerInitiable is BaseAccessControlInitiable, IERC1271 {\n // bytes4(keccak256(\"isValidSignature(bytes32,bytes)\")\n bytes4 internal constant EIP_1271_RETURN_VALUE = 0x1626ba7e;\n\n /**\n * @notice Verifies that the signer is the owner of the signing contract.\n */\n function isValidSignature(bytes32 _hash, bytes calldata _encodedSignature) external view override returns (bytes4) {\n (address clientAdminAddress, bytes memory signature) = abi.decode(_encodedSignature, (address, bytes));\n\n if (!hasRole(DEFAULT_ADMIN_ROLE, clientAdminAddress)) {\n revert AccountNotAdmin(clientAdminAddress);\n }\n\n if (clientAdminAddress.code.length > 0) {\n return IERC1271(clientAdminAddress).isValidSignature(_hash, signature);\n } else if (ECDSA.recover(_hash, signature) == clientAdminAddress) {\n return EIP_1271_RETURN_VALUE;\n }\n\n revert InvalidSignature();\n }\n}\n"
},
"contracts/base/BaseSimpleSwapInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { BaseFeesInitiable } from \"./BaseFeesInitiable.sol\";\nimport {\n CoreSimpleSwapInitiable,\n CoreSimpleSwapConfig,\n SwapPayload\n} from \"../core/CoreSimpleSwap/v1/CoreSimpleSwapInitiable.sol\";\nimport { ReentrancyGuard } from \"@openzeppelin/contracts/security/ReentrancyGuard.sol\";\nimport { DefinitiveConstants } from \"../core/libraries/DefinitiveConstants.sol\";\nimport { InvalidFeePercent, SlippageExceeded } from \"../core/libraries/DefinitiveErrors.sol\";\nimport { ICoreSwapHandlerV1 } from \"../core/CoreSwapHandler/ICoreSwapHandlerV1.sol\";\n\nabstract contract BaseSimpleSwapInitiable is BaseFeesInitiable, CoreSimpleSwapInitiable, ReentrancyGuard {\n function __BaseSimpleSwapInitiable__init(\n CoreSimpleSwapConfig calldata coreSimpleSwapConfig\n ) internal onlyInitializing {\n __CoreSimpleSwapInitiable__init(coreSimpleSwapConfig);\n }\n\n function enableSwapHandlers(address[] memory swapHandlers) public override onlyHandlerManager stopGuarded {\n _updateSwapHandlers(swapHandlers, true);\n }\n\n function disableSwapHandlers(address[] memory swapHandlers) public override onlyAdmins {\n _updateSwapHandlers(swapHandlers, false);\n }\n\n function swap(\n SwapPayload[] memory payloads,\n address outputToken,\n uint256 amountOutMin,\n uint256 feePct\n ) external override onlyDefinitive nonReentrant stopGuarded tradingEnabled returns (uint256) {\n if (feePct > DefinitiveConstants.MAX_FEE_PCT) {\n revert InvalidFeePercent();\n }\n\n (uint256[] memory inputAmounts, uint256 outputAmount) = _swap(payloads, outputToken);\n if (outputAmount < amountOutMin) {\n revert SlippageExceeded(outputAmount, amountOutMin);\n }\n\n address[] memory swapTokens = new address[](payloads.length);\n uint256 swapTokensLength = swapTokens.length;\n for (uint256 i; i < swapTokensLength; ) {\n swapTokens[i] = payloads[i].swapToken;\n unchecked {\n ++i;\n }\n }\n\n uint256 feeAmount;\n if (FEE_ACCOUNT != address(0) && outputAmount > 0 && feePct > 0) {\n feeAmount = _handleFeesOnAmount(outputToken, outputAmount, feePct);\n }\n emit SwapHandled(swapTokens, inputAmounts, outputToken, outputAmount, feeAmount);\n\n return outputAmount;\n }\n\n function _getEncodedSwapHandlerCalldata(\n SwapPayload memory payload,\n address expectedOutputToken,\n bool isDelegateCall\n ) internal pure override returns (bytes memory) {\n bytes4 selector = isDelegateCall\n ? ICoreSwapHandlerV1.swapDelegate.selector\n : ICoreSwapHandlerV1.swapCall.selector;\n ICoreSwapHandlerV1.SwapParams memory _params = ICoreSwapHandlerV1.SwapParams({\n inputAssetAddress: payload.swapToken,\n inputAmount: payload.amount,\n outputAssetAddress: expectedOutputToken,\n minOutputAmount: payload.amountOutMin,\n data: payload.handlerCalldata,\n signature: payload.signature\n });\n return abi.encodeWithSelector(selector, _params);\n }\n}\n"
},
"contracts/base/BaseTransfers/v1/BaseTransfersInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { CoreDeposit } from \"../../../core/CoreDeposit/v1/CoreDeposit.sol\";\nimport { CoreWithdraw } from \"../../../core/CoreWithdraw/v1/CoreWithdraw.sol\";\nimport { BaseAccessControlInitiable } from \"../../BaseAccessControlInitiable.sol\";\nimport { ReentrancyGuard } from \"@openzeppelin/contracts/security/ReentrancyGuard.sol\";\n\nabstract contract BaseTransfersInitiable is CoreDeposit, CoreWithdraw, BaseAccessControlInitiable, ReentrancyGuard {\n function deposit(\n uint256[] calldata amounts,\n address[] calldata erc20Tokens\n ) external payable virtual override onlyClients nonReentrant stopGuarded {\n return _deposit(amounts, erc20Tokens);\n }\n\n function withdraw(\n uint256 amount,\n address erc20Token\n ) public virtual override onlyClients nonReentrant stopGuarded withdrawalsEnabled returns (bool) {\n return _withdraw(amount, erc20Token);\n }\n\n function withdrawTo(\n uint256 amount,\n address erc20Token,\n address to\n ) public virtual override onlyWhitelisted nonReentrant stopGuarded withdrawalsEnabled returns (bool) {\n // `to` account must be a client\n _checkRole(ROLE_CLIENT, to);\n\n return _withdrawTo(amount, erc20Token, to);\n }\n\n function withdrawAll(\n address[] calldata tokens\n ) public virtual override onlyClients nonReentrant stopGuarded withdrawalsEnabled returns (bool) {\n return _withdrawAll(tokens);\n }\n\n function withdrawAllTo(\n address[] calldata tokens,\n address to\n ) public virtual override onlyWhitelisted stopGuarded withdrawalsEnabled returns (bool) {\n _checkRole(ROLE_CLIENT, to);\n return _withdrawAllTo(tokens, to);\n }\n\n function supportsNativeAssets() public pure virtual override returns (bool) {\n return false;\n }\n}\n"
},
"contracts/base/BaseTransfersNative/v1/BaseTransfersNativeInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { IBaseNativeWrapperV1 } from \"../../BaseNativeWrapper/v1/IBaseNativeWrapperV1.sol\";\nimport { BaseTransfersInitiable } from \"../../BaseTransfers/v1/BaseTransfersInitiable.sol\";\nimport { CoreTransfersNative } from \"../../../core/CoreTransfersNative/v1/CoreTransfersNative.sol\";\n\nabstract contract BaseTransfersNativeInitiable is IBaseNativeWrapperV1, CoreTransfersNative, BaseTransfersInitiable {\n function deposit(\n uint256[] calldata amounts,\n address[] calldata assetAddresses\n ) external payable override onlyClients nonReentrant stopGuarded {\n _depositNativeAndERC20(amounts, assetAddresses);\n emit Deposit(_msgSender(), assetAddresses, amounts);\n }\n\n function supportsNativeAssets() public pure virtual override returns (bool) {\n return true;\n }\n}\n"
},
"contracts/core/CoreAccessControl/v1/CoreAccessControlInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { AccessControl as OZAccessControl } from \"@openzeppelin/contracts/access/AccessControl.sol\";\nimport { ICoreAccessControlV1 } from \"./ICoreAccessControlV1.sol\";\nimport { AccountNotAdmin, AccountNotWhitelisted, AccountMissingRole } from \"../../libraries/DefinitiveErrors.sol\";\nimport { Initializable } from \"@openzeppelin/contracts/proxy/utils/Initializable.sol\";\n\nstruct CoreAccessControlConfig {\n address admin;\n address definitiveAdmin;\n address[] definitive;\n address[] client;\n}\n\nabstract contract CoreAccessControlInitiable is ICoreAccessControlV1, OZAccessControl, Initializable {\n // roles\n bytes32 public constant ROLE_DEFINITIVE = keccak256(\"DEFINITIVE\");\n bytes32 public constant ROLE_DEFINITIVE_ADMIN = keccak256(\"DEFINITIVE_ADMIN\");\n bytes32 public constant ROLE_CLIENT = keccak256(\"CLIENT\");\n\n // keccak256(\"HANDLER_MANAGER\")\n bytes32 internal constant ROLE_HANDLER_MANAGER = 0xb2b11089d67559292849a1467a255e145c674dd358427860d2c8f589cfbd7aa2;\n\n modifier onlyDefinitive() {\n _checkRole(ROLE_DEFINITIVE);\n _;\n }\n modifier onlyDefinitiveAdmin() {\n _checkRole(ROLE_DEFINITIVE_ADMIN);\n _;\n }\n modifier onlyClients() {\n _checkRole(ROLE_CLIENT);\n _;\n }\n modifier onlyClientAdmin() {\n _checkRole(DEFAULT_ADMIN_ROLE);\n _;\n }\n\n modifier onlyHandlerManager() {\n _checkRole(ROLE_HANDLER_MANAGER);\n _;\n }\n // default admin + definitive admin\n modifier onlyAdmins() {\n bool isAdmins = (hasRole(DEFAULT_ADMIN_ROLE, _msgSender()) || hasRole(ROLE_DEFINITIVE_ADMIN, _msgSender()));\n\n if (!isAdmins) {\n revert AccountNotAdmin(_msgSender());\n }\n _;\n }\n // client + definitive\n modifier onlyWhitelisted() {\n bool isWhitelisted = (hasRole(ROLE_CLIENT, _msgSender()) || hasRole(ROLE_DEFINITIVE, _msgSender()));\n\n if (!isWhitelisted) {\n revert AccountNotWhitelisted(_msgSender());\n }\n _;\n }\n\n function __CoreAccessControlInitiable__init(CoreAccessControlConfig calldata cfg) internal onlyInitializing {\n // admin\n _setupRole(DEFAULT_ADMIN_ROLE, cfg.admin);\n _setupRole(ROLE_HANDLER_MANAGER, cfg.definitiveAdmin);\n _setupRole(ROLE_HANDLER_MANAGER, cfg.admin);\n\n // definitive admin\n _setupRole(ROLE_DEFINITIVE_ADMIN, cfg.definitiveAdmin);\n _setRoleAdmin(ROLE_DEFINITIVE_ADMIN, ROLE_DEFINITIVE_ADMIN);\n\n // definitive\n uint256 cfgDefinitiveLength = cfg.definitive.length;\n for (uint256 i; i < cfgDefinitiveLength; ) {\n _setupRole(ROLE_DEFINITIVE, cfg.definitive[i]);\n unchecked {\n ++i;\n }\n }\n _setRoleAdmin(ROLE_DEFINITIVE, ROLE_DEFINITIVE_ADMIN);\n\n // clients - implicit role admin is DEFAULT_ADMIN_ROLE\n uint256 cfgClientLength = cfg.client.length;\n for (uint256 i; i < cfgClientLength; ) {\n _setupRole(ROLE_CLIENT, cfg.client[i]);\n unchecked {\n ++i;\n }\n }\n }\n\n function _checkRole(bytes32 role, address account) internal view virtual override {\n if (!hasRole(role, account)) {\n revert AccountMissingRole(account, role);\n }\n }\n}\n"
},
"contracts/core/CoreAccessControl/v1/ICoreAccessControlV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { IAccessControl } from \"@openzeppelin/contracts/access/IAccessControl.sol\";\n\ninterface ICoreAccessControlV1 is IAccessControl {\n function ROLE_CLIENT() external returns (bytes32);\n\n function ROLE_DEFINITIVE() external returns (bytes32);\n\n function ROLE_DEFINITIVE_ADMIN() external returns (bytes32);\n}\n"
},
"contracts/core/CoreDeposit/v1/CoreDeposit.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { ICoreDepositV1 } from \"./ICoreDepositV1.sol\";\nimport { Context } from \"@openzeppelin/contracts/utils/Context.sol\";\nimport { DefinitiveAssets, IERC20 } from \"../../libraries/DefinitiveAssets.sol\";\n\nimport { InvalidInputs } from \"../../libraries/DefinitiveErrors.sol\";\n\nabstract contract CoreDeposit is ICoreDepositV1, Context {\n using DefinitiveAssets for IERC20;\n\n function deposit(uint256[] calldata amounts, address[] calldata assetAddresses) external payable virtual;\n\n function _deposit(uint256[] calldata amounts, address[] calldata erc20Tokens) internal virtual {\n _depositERC20(amounts, erc20Tokens);\n\n emit Deposit(_msgSender(), erc20Tokens, amounts);\n }\n\n function _depositERC20(uint256[] calldata amounts, address[] calldata erc20Tokens) internal {\n uint256 amountsLength = amounts.length;\n if (amountsLength != erc20Tokens.length) {\n revert InvalidInputs();\n }\n\n for (uint256 i; i < amountsLength; ) {\n IERC20(erc20Tokens[i]).safeTransferFrom(_msgSender(), address(this), amounts[i]);\n unchecked {\n ++i;\n }\n }\n }\n}\n"
},
"contracts/core/CoreDeposit/v1/ICoreDepositV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\ninterface ICoreDepositV1 {\n event Deposit(address indexed actor, address[] assetAddresses, uint256[] amounts);\n\n function deposit(uint256[] calldata amounts, address[] calldata assetAddresses) external payable;\n}\n"
},
"contracts/core/CoreFees/v1/CoreFeesInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { ICoreFeesV1 } from \"./ICoreFeesV1.sol\";\nimport { Context } from \"@openzeppelin/contracts/utils/Context.sol\";\n\nimport { Initializable } from \"@openzeppelin/contracts/proxy/utils/Initializable.sol\";\n\nstruct CoreFeesConfig {\n address payable feeAccount;\n}\n\nabstract contract CoreFeesInitiable is ICoreFeesV1, Context, Initializable {\n address payable public FEE_ACCOUNT;\n\n function __CoreFeesInitiable__init(CoreFeesConfig calldata coreFeesConfig) internal onlyInitializing {\n FEE_ACCOUNT = coreFeesConfig.feeAccount;\n }\n\n function _updateFeeAccount(address payable feeAccount) internal {\n FEE_ACCOUNT = feeAccount;\n emit FeeAccountUpdated(_msgSender(), feeAccount);\n }\n}\n"
},
"contracts/core/CoreFees/v1/ICoreFeesV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\ninterface ICoreFeesV1 {\n event FeeAccountUpdated(address actor, address feeAccount);\n\n function FEE_ACCOUNT() external returns (address payable);\n\n function updateFeeAccount(address payable feeAccount) external;\n}\n"
},
"contracts/core/CoreMulticall/v1/CoreMulticall.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { ICoreMulticallV1 } from \"./ICoreMulticallV1.sol\";\nimport { Address } from \"@openzeppelin/contracts/utils/Address.sol\";\nimport { DefinitiveAssets } from \"../../libraries/DefinitiveAssets.sol\";\n\n/* solhint-disable max-line-length */\n/**\n * @notice Implements openzeppelin/contracts/utils/Multicall.sol\n * Source: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/5b027e517e6aee69f4b4b2f5e78274ac8ee53513/contracts/utils/Multicall.sol solhint-disable max-line-length\n */\n/* solhint-enable max-line-length */\nabstract contract CoreMulticall is ICoreMulticallV1 {\n /**\n * @dev Receives and executes a batch of function calls on this contract.\n */\n function multicall(bytes[] calldata data) external returns (bytes[] memory results) {\n uint256 dataLength = data.length;\n results = new bytes[](dataLength);\n for (uint256 i; i < dataLength; ) {\n results[i] = Address.functionDelegateCall(address(this), data[i]);\n unchecked {\n ++i;\n }\n }\n }\n\n function getBalance(address assetAddress) public view returns (uint256) {\n return DefinitiveAssets.getBalance(assetAddress);\n }\n}\n"
},
"contracts/core/CoreMulticall/v1/ICoreMulticallV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\ninterface ICoreMulticallV1 {\n function multicall(bytes[] calldata data) external returns (bytes[] memory results);\n\n function getBalance(address assetAddress) external view returns (uint256);\n}\n"
},
"contracts/core/CoreSimpleSwap/v1/CoreSimpleSwapInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { ICoreSimpleSwapV1 } from \"./ICoreSimpleSwapV1.sol\";\nimport { DefinitiveAssets, IERC20 } from \"../../libraries/DefinitiveAssets.sol\";\nimport { Context } from \"@openzeppelin/contracts/utils/Context.sol\";\nimport { CallUtils } from \"../../../tools/BubbleReverts/BubbleReverts.sol\";\nimport { DefinitiveConstants } from \"../../libraries/DefinitiveConstants.sol\";\nimport {\n InvalidSwapHandler,\n InsufficientSwapTokenBalance,\n SwapTokenIsOutputToken,\n InvalidOutputToken,\n InvalidReportedOutputAmount,\n InvalidExecutedOutputAmount\n} from \"../../libraries/DefinitiveErrors.sol\";\nimport { Initializable } from \"@openzeppelin/contracts/proxy/utils/Initializable.sol\";\nimport { SwapPayload } from \"./ICoreSimpleSwapV1.sol\";\n\nstruct CoreSimpleSwapConfig {\n address[] swapHandlers;\n}\n\nabstract contract CoreSimpleSwapInitiable is ICoreSimpleSwapV1, Context, Initializable {\n using DefinitiveAssets for IERC20;\n\n /// @dev handler contract => enabled\n mapping(address => bool) public _swapHandlers;\n\n function __CoreSimpleSwapInitiable__init(\n CoreSimpleSwapConfig calldata coreSimpleSwapConfig\n ) internal onlyInitializing {\n uint256 handlersLength = coreSimpleSwapConfig.swapHandlers.length;\n for (uint256 i; i < handlersLength; ) {\n _swapHandlers[coreSimpleSwapConfig.swapHandlers[i]] = true;\n unchecked {\n ++i;\n }\n }\n }\n\n function enableSwapHandlers(address[] memory swapHandlers) public virtual;\n\n function disableSwapHandlers(address[] memory swapHandlers) public virtual;\n\n function _updateSwapHandlers(address[] memory swapHandlers, bool enabled) internal {\n uint256 swapHandlersLength = swapHandlers.length;\n for (uint256 i; i < swapHandlersLength; ) {\n _swapHandlers[swapHandlers[i]] = enabled;\n emit SwapHandlerUpdate(_msgSender(), swapHandlers[i], enabled);\n unchecked {\n ++i;\n }\n }\n }\n\n function swap(\n SwapPayload[] memory payloads,\n address outputToken,\n uint256 amountOutMin,\n uint256 feePct\n ) external virtual returns (uint256 outputAmount);\n\n function _swap(\n SwapPayload[] memory payloads,\n address expectedOutputToken\n ) internal returns (uint256[] memory inputTokenAmounts, uint256 outputTokenAmount) {\n uint256 payloadsLength = payloads.length;\n inputTokenAmounts = new uint256[](payloadsLength);\n uint256 outputTokenBalanceStart = DefinitiveAssets.getBalance(expectedOutputToken);\n\n for (uint256 i; i < payloadsLength; ) {\n SwapPayload memory payload = payloads[i];\n\n if (!_swapHandlers[payload.handler]) {\n revert InvalidSwapHandler();\n }\n\n if (expectedOutputToken == payload.swapToken) {\n revert SwapTokenIsOutputToken();\n }\n\n uint256 outputTokenBalanceBefore = DefinitiveAssets.getBalance(expectedOutputToken);\n inputTokenAmounts[i] = DefinitiveAssets.getBalance(payload.swapToken);\n\n (uint256 _outputAmount, address _outputToken) = _processSwap(payload, expectedOutputToken);\n\n if (_outputToken != expectedOutputToken) {\n revert InvalidOutputToken();\n }\n if (_outputAmount < payload.amountOutMin) {\n revert InvalidReportedOutputAmount();\n }\n uint256 outputTokenBalanceAfter = DefinitiveAssets.getBalance(expectedOutputToken);\n\n if ((outputTokenBalanceAfter - outputTokenBalanceBefore) < payload.amountOutMin) {\n revert InvalidExecutedOutputAmount();\n }\n\n // Update `inputTokenAmounts` to reflect the amount of tokens actually swapped\n inputTokenAmounts[i] -= DefinitiveAssets.getBalance(payload.swapToken);\n unchecked {\n ++i;\n }\n }\n\n outputTokenAmount = DefinitiveAssets.getBalance(expectedOutputToken) - outputTokenBalanceStart;\n }\n\n function _processSwap(SwapPayload memory payload, address expectedOutputToken) private returns (uint256, address) {\n // Override payload.amount with validated amount\n payload.amount = _getValidatedPayloadAmount(payload);\n\n bytes memory _calldata = _getEncodedSwapHandlerCalldata(payload, expectedOutputToken, payload.isDelegate);\n\n bool _success;\n bytes memory _returnBytes;\n if (payload.isDelegate) {\n // slither-disable-next-line controlled-delegatecall\n (_success, _returnBytes) = payload.handler.delegatecall(_calldata);\n } else {\n uint256 msgValue = _prepareAssetsForNonDelegateHandlerCall(payload, payload.amount);\n (_success, _returnBytes) = payload.handler.call{ value: msgValue }(_calldata);\n }\n\n if (!_success) {\n CallUtils.revertFromReturnedData(_returnBytes);\n }\n\n return abi.decode(_returnBytes, (uint256, address));\n }\n\n function _getEncodedSwapHandlerCalldata(\n SwapPayload memory payload,\n address expectedOutputToken,\n bool isDelegateCall\n ) internal pure virtual returns (bytes memory);\n\n function _getValidatedPayloadAmount(SwapPayload memory payload) private view returns (uint256 amount) {\n uint256 balance = DefinitiveAssets.getBalance(payload.swapToken);\n\n // Ensure balance > 0\n DefinitiveAssets.validateAmount(balance);\n\n amount = payload.amount;\n\n if (amount != 0 && balance < amount) {\n revert InsufficientSwapTokenBalance();\n }\n\n // maximum available balance if amount == 0\n if (amount == 0) {\n return balance;\n }\n }\n\n function _prepareAssetsForNonDelegateHandlerCall(\n SwapPayload memory payload,\n uint256 amount\n ) private returns (uint256 msgValue) {\n if (payload.swapToken == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {\n return amount;\n } else {\n IERC20(payload.swapToken).resetAndSafeIncreaseAllowance(address(this), payload.handler, amount);\n }\n }\n}\n"
},
"contracts/core/CoreSimpleSwap/v1/ICoreSimpleSwapV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nstruct SwapPayload {\n address handler;\n uint256 amount; // set 0 for maximum available balance\n address swapToken;\n uint256 amountOutMin;\n bool isDelegate;\n bytes handlerCalldata;\n bytes signature;\n}\n\ninterface ICoreSimpleSwapV1 {\n event SwapHandlerUpdate(address actor, address swapHandler, bool isEnabled);\n event SwapHandled(\n address[] swapTokens,\n uint256[] swapAmounts,\n address outputToken,\n uint256 outputAmount,\n uint256 feeAmount\n );\n\n function enableSwapHandlers(address[] memory swapHandlers) external;\n\n function disableSwapHandlers(address[] memory swapHandlers) external;\n\n function swap(\n SwapPayload[] memory payloads,\n address outputToken,\n uint256 amountOutMin,\n uint256 feePct\n ) external returns (uint256 outputAmount);\n}\n"
},
"contracts/core/CoreStopGuardian/v1/CoreStopGuardian.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { ICoreStopGuardianV1 } from \"./ICoreStopGuardianV1.sol\";\n\nimport { Context } from \"@openzeppelin/contracts/utils/Context.sol\";\nimport { StopGuardianEnabled } from \"../../libraries/DefinitiveErrors.sol\";\n\nabstract contract CoreStopGuardian is ICoreStopGuardianV1, Context {\n bool public STOP_GUARDIAN_ENABLED;\n\n // recommended for every public/external function\n modifier stopGuarded() {\n if (STOP_GUARDIAN_ENABLED) {\n revert StopGuardianEnabled();\n }\n\n _;\n }\n\n function enableStopGuardian() public virtual;\n\n function disableStopGuardian() public virtual;\n\n function _enableStopGuardian() internal {\n STOP_GUARDIAN_ENABLED = true;\n emit StopGuardianUpdate(_msgSender(), true);\n }\n\n function _disableStopGuardian() internal {\n STOP_GUARDIAN_ENABLED = false;\n emit StopGuardianUpdate(_msgSender(), false);\n }\n}\n"
},
"contracts/core/CoreStopGuardian/v1/ICoreStopGuardianV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\ninterface ICoreStopGuardianV1 {\n event StopGuardianUpdate(address indexed actor, bool indexed isEnabled);\n\n function STOP_GUARDIAN_ENABLED() external view returns (bool);\n\n function enableStopGuardian() external;\n\n function disableStopGuardian() external;\n}\n"
},
"contracts/core/CoreStopGuardianTrading/v1/CoreStopGuardianTrading.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { ICoreStopGuardianTradingV1 } from \"./ICoreStopGuardianTradingV1.sol\";\n\nimport { Context } from \"@openzeppelin/contracts/utils/Context.sol\";\nimport { WithdrawalsDisabled, TradingDisabled, GlobalStopGuardianEnabled } from \"../../libraries/DefinitiveErrors.sol\";\nimport { IGlobalGuardian } from \"../../../tools/GlobalGuardian/IGlobalGuardian.sol\";\n\nabstract contract CoreStopGuardianTrading is ICoreStopGuardianTradingV1, Context {\n /// TODO deploy and set global guardian to CREATE3 address across all chains\n address public constant GLOBAL_TRADE_GUARDIAN = 0x3AB7069fCB015Bd18d0542dA9deeDce3F4374aEE;\n\n bool public TRADING_GUARDIAN_TRADING_DISABLED;\n bool public TRADING_GUARDIAN_WITHDRAWALS_DISABLED;\n\n /// 0x49feb0371fc9661748a3d1bc01dbf9f5cdeb4102767351e1c6dd1f5d331acd6d\n bytes32 internal constant GLOBAL_TRADING_HASH = keccak256(\"TRADING\");\n\n modifier tradingEnabled() {\n if (IGlobalGuardian(GLOBAL_TRADE_GUARDIAN).functionalityIsDisabled(GLOBAL_TRADING_HASH)) {\n revert GlobalStopGuardianEnabled();\n }\n\n if (TRADING_GUARDIAN_TRADING_DISABLED) {\n revert TradingDisabled();\n }\n _;\n }\n\n modifier withdrawalsEnabled() {\n if (TRADING_GUARDIAN_WITHDRAWALS_DISABLED) {\n revert WithdrawalsDisabled();\n }\n _;\n }\n\n function disableTrading() public virtual;\n\n function enableTrading() public virtual;\n\n function disableWithdrawals() public virtual;\n\n function enableWithdrawals() public virtual;\n\n function _disableTrading() internal {\n TRADING_GUARDIAN_TRADING_DISABLED = true;\n emit TradingDisabledUpdate(_msgSender(), true);\n }\n\n function _enableTrading() internal {\n delete TRADING_GUARDIAN_TRADING_DISABLED;\n emit TradingDisabledUpdate(_msgSender(), false);\n }\n\n function _disableWithdrawals() internal {\n TRADING_GUARDIAN_WITHDRAWALS_DISABLED = true;\n emit WithdrawalsDisabledUpdate(_msgSender(), true);\n }\n\n function _enableWithdrawals() internal {\n delete TRADING_GUARDIAN_WITHDRAWALS_DISABLED;\n emit WithdrawalsDisabledUpdate(_msgSender(), false);\n }\n}\n"
},
"contracts/core/CoreStopGuardianTrading/v1/ICoreStopGuardianTradingV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\ninterface ICoreStopGuardianTradingV1 {\n event TradingDisabledUpdate(address indexed actor, bool indexed isEnabled);\n event WithdrawalsDisabledUpdate(address indexed actor, bool indexed isEnabled);\n}\n"
},
"contracts/core/CoreSwapHandler/ICoreSwapHandlerV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\ninterface ICoreSwapHandlerV1 {\n event Swap(\n address indexed actor,\n address indexed inputToken,\n uint256 inputAmount,\n address indexed outputToken,\n uint256 outputAmount\n );\n\n struct SwapParams {\n address inputAssetAddress;\n uint256 inputAmount;\n address outputAssetAddress;\n uint256 minOutputAmount;\n bytes data;\n bytes signature;\n }\n\n function swapCall(SwapParams calldata params) external payable returns (uint256 amountOut, address outputAsset);\n\n function swapDelegate(SwapParams calldata params) external payable returns (uint256 amountOut, address outputAsset);\n\n function swapUsingValidatedPathCall(\n SwapParams calldata params\n ) external payable returns (uint256 amountOut, address outputAsset);\n}\n"
},
"contracts/core/CoreTransfersNative/v1/CoreTransfersNative.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { Context } from \"@openzeppelin/contracts/utils/Context.sol\";\nimport { ICoreTransfersNativeV1 } from \"./ICoreTransfersNativeV1.sol\";\n\nimport { DefinitiveAssets, IERC20 } from \"../../libraries/DefinitiveAssets.sol\";\nimport { DefinitiveConstants } from \"../../libraries/DefinitiveConstants.sol\";\nimport { InvalidInputs, InvalidMsgValue } from \"../../libraries/DefinitiveErrors.sol\";\n\nabstract contract CoreTransfersNative is ICoreTransfersNativeV1, Context {\n using DefinitiveAssets for IERC20;\n\n /**\n * @notice Allows contract to receive native assets\n */\n receive() external payable virtual {}\n\n /**\n * @notice This function is executed if none of the other functions\n * match the call data. `bytes calldata` will contain the full data sent\n * to the contract (equal to msg.data) and can return data in output.\n * The returned data will not be ABI-encoded, and will be returned without\n * modifications (not even padding).\n * https://docs.soliditylang.org/en/v0.8.17/contracts.html#fallback-function\n */\n fallback(bytes calldata) external payable virtual returns (bytes memory) {}\n\n function _depositNativeAndERC20(uint256[] calldata amounts, address[] calldata assetAddresses) internal virtual {\n uint256 assetAddressesLength = assetAddresses.length;\n if (amounts.length != assetAddressesLength) {\n revert InvalidInputs();\n }\n\n bool hasNativeAsset;\n uint256 nativeAssetIndex;\n\n for (uint256 i; i < assetAddressesLength; ) {\n if (assetAddresses[i] == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {\n nativeAssetIndex = i;\n hasNativeAsset = true;\n unchecked {\n ++i;\n }\n continue;\n }\n // ERC20 tokens\n IERC20(assetAddresses[i]).safeTransferFrom(_msgSender(), address(this), amounts[i]);\n unchecked {\n ++i;\n }\n }\n // Revert if NATIVE_ASSET_ADDRESS is not in assetAddresses and msg.value is not zero\n if (!hasNativeAsset && msg.value != 0) {\n revert InvalidMsgValue();\n }\n\n // Revert if depositing native asset and amount != msg.value\n if (hasNativeAsset && msg.value != amounts[nativeAssetIndex]) {\n revert InvalidMsgValue();\n }\n }\n}\n"
},
"contracts/core/CoreTransfersNative/v1/ICoreTransfersNativeV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\ninterface ICoreTransfersNativeV1 {\n receive() external payable;\n\n fallback(bytes calldata) external payable returns (bytes memory);\n}\n"
},
"contracts/core/CoreWithdraw/v1/CoreWithdraw.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { ICoreWithdrawV1 } from \"./ICoreWithdrawV1.sol\";\nimport { DefinitiveAssets, IERC20 } from \"../../libraries/DefinitiveAssets.sol\";\nimport { Context } from \"@openzeppelin/contracts/utils/Context.sol\";\nimport { DefinitiveConstants } from \"../../libraries/DefinitiveConstants.sol\";\n\nabstract contract CoreWithdraw is ICoreWithdrawV1, Context {\n using DefinitiveAssets for IERC20;\n\n function supportsNativeAssets() public pure virtual returns (bool);\n\n function withdraw(uint256 amount, address erc20Token) public virtual returns (bool);\n\n function withdrawTo(uint256 amount, address erc20Token, address to) public virtual returns (bool);\n\n function _withdraw(uint256 amount, address erc20Token) internal returns (bool) {\n return _withdrawTo(amount, erc20Token, _msgSender());\n }\n\n function _withdrawTo(uint256 amount, address erc20Token, address to) internal returns (bool success) {\n if (erc20Token == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {\n DefinitiveAssets.safeTransferETH(payable(to), amount);\n } else {\n IERC20(erc20Token).safeTransfer(to, amount);\n }\n\n emit Withdrawal(erc20Token, amount, to);\n\n success = true;\n }\n\n function withdrawAll(address[] calldata tokens) public virtual returns (bool);\n\n function withdrawAllTo(address[] calldata tokens, address to) public virtual returns (bool);\n\n function _withdrawAll(address[] calldata tokens) internal returns (bool) {\n return _withdrawAllTo(tokens, _msgSender());\n }\n\n function _withdrawAllTo(address[] calldata tokens, address to) internal returns (bool success) {\n uint256 tokenLength = tokens.length;\n for (uint256 i; i < tokenLength; ) {\n uint256 tokenBalance = DefinitiveAssets.getBalance(tokens[i]);\n if (tokenBalance > 0) {\n _withdrawTo(tokenBalance, tokens[i], to);\n }\n unchecked {\n ++i;\n }\n }\n return true;\n }\n}\n"
},
"contracts/core/CoreWithdraw/v1/ICoreWithdrawV1.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\ninterface ICoreWithdrawV1 {\n event Withdrawal(address indexed erc20Token, uint256 amount, address indexed recipient);\n\n function withdrawAll(address[] calldata tokens) external returns (bool);\n\n function withdrawAllTo(address[] calldata tokens, address to) external returns (bool);\n\n function supportsNativeAssets() external pure returns (bool);\n\n function withdraw(uint256 amount, address erc20Token) external returns (bool);\n}\n"
},
"contracts/core/libraries/DefinitiveAssets.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { IERC20, SafeERC20 } from \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport { SafeTransferLib } from \"solmate/src/utils/SafeTransferLib.sol\";\nimport { DefinitiveConstants } from \"./DefinitiveConstants.sol\";\n\nimport { InsufficientBalance, InvalidAmount, InvalidAmounts, InvalidERC20Address } from \"./DefinitiveErrors.sol\";\n\n/**\n * @notice Contains methods used throughout the Definitive contracts\n * @dev This file should only be used as an internal library.\n */\nlibrary DefinitiveAssets {\n /**\n * @dev Checks if an address is a valid ERC20 token\n */\n modifier onlyValidERC20(address erc20Token) {\n if (address(erc20Token) == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {\n revert InvalidERC20Address();\n }\n _;\n }\n\n //////////////////////////////////////////////////\n //////////////////////////////////////////////////\n // ↓ ERC20 and Native Asset Methods ↓\n //////////////////////////////////////////////////\n\n /**\n * @dev Gets the balance of an ERC20 token or native asset\n */\n function getBalance(address assetAddress) internal view returns (uint256) {\n if (assetAddress == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {\n return address(this).balance;\n } else {\n return IERC20(assetAddress).balanceOf(address(this));\n }\n }\n\n /**\n * @dev internal function to validate balance is higher than a given amount for ERC20 and native assets\n */\n function validateBalance(address token, uint256 amount) internal view {\n if (token == DefinitiveConstants.NATIVE_ASSET_ADDRESS) {\n validateNativeBalance(amount);\n } else {\n validateERC20Balance(token, amount);\n }\n }\n\n //////////////////////////////////////////////////\n //////////////////////////////////////////////////\n // ↓ Native Asset Methods ↓\n //////////////////////////////////////////////////\n\n /**\n * @dev validates amount and balance, then uses SafeTransferLib to transfer native asset\n */\n function safeTransferETH(address recipient, uint256 amount) internal {\n if (amount > 0) {\n SafeTransferLib.safeTransferETH(payable(recipient), amount);\n }\n }\n\n //////////////////////////////////////////////////\n //////////////////////////////////////////////////\n // ↓ ERC20 Methods ↓\n //////////////////////////////////////////////////\n\n /**\n * @dev Resets and increases the allowance of a spender for an ERC20 token\n */\n function resetAndSafeIncreaseAllowance(\n IERC20 token,\n address owner,\n address spender,\n uint256 amount\n ) internal onlyValidERC20(address(token)) {\n if (token.allowance(owner, spender) > 0) {\n SafeERC20.safeApprove(token, spender, 0);\n }\n\n return SafeERC20.safeIncreaseAllowance(token, spender, amount);\n }\n\n function safeTransfer(IERC20 token, address to, uint256 amount) internal onlyValidERC20(address(token)) {\n if (amount > 0) {\n SafeERC20.safeTransfer(token, to, amount);\n }\n }\n\n function safeTransferFrom(\n IERC20 token,\n address from,\n address to,\n uint256 amount\n ) internal onlyValidERC20(address(token)) {\n if (amount > 0) {\n //slither-disable-next-line arbitrary-send-erc20\n SafeERC20.safeTransferFrom(token, from, to, amount);\n }\n }\n\n //////////////////////////////////////////////////\n //////////////////////////////////////////////////\n // ↓ Asset Amount Helper Methods ↓\n //////////////////////////////////////////////////\n\n /**\n * @dev internal function to validate that amounts contains a value greater than zero\n */\n function validateAmounts(uint256[] calldata amounts) internal pure {\n bool hasValidAmounts;\n uint256 amountsLength = amounts.length;\n for (uint256 i; i < amountsLength; ) {\n if (amounts[i] > 0) {\n hasValidAmounts = true;\n break;\n }\n unchecked {\n ++i;\n }\n }\n\n if (!hasValidAmounts) {\n revert InvalidAmounts();\n }\n }\n\n /**\n * @dev internal function to validate if native asset balance is higher than the amount requested\n */\n function validateNativeBalance(uint256 amount) internal view {\n if (getBalance(DefinitiveConstants.NATIVE_ASSET_ADDRESS) < amount) {\n revert InsufficientBalance();\n }\n }\n\n /**\n * @dev internal function to validate balance is higher than the amount requested for a token\n */\n function validateERC20Balance(address token, uint256 amount) internal view onlyValidERC20(token) {\n if (getBalance(token) < amount) {\n revert InsufficientBalance();\n }\n }\n\n function validateAmount(uint256 _amount) internal pure {\n if (_amount == 0) {\n revert InvalidAmount();\n }\n }\n}\n"
},
"contracts/core/libraries/DefinitiveConstants.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\n/**\n * @notice Contains constants used throughout the Definitive contracts\n * @dev This file should only be used as an internal library.\n */\nlibrary DefinitiveConstants {\n /**\n * @notice Maximum fee percentage\n */\n uint256 internal constant MAX_FEE_PCT = 10000;\n\n /**\n * @notice Address to signify native assets\n */\n address internal constant NATIVE_ASSET_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n /**\n * @notice Maximum number of swaps allowed per block\n */\n uint8 internal constant MAX_SWAPS_PER_BLOCK = 25;\n\n struct Assets {\n uint256[] amounts;\n address[] addresses;\n }\n}\n"
},
"contracts/core/libraries/DefinitiveErrors.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\n/**\n * @notice Contains all errors used throughout the Definitive contracts\n * @dev This file should only be used as an internal library.\n * @dev When adding a new error, add alphabetically\n */\n\nerror AccountMissingRole(address _account, bytes32 _role);\nerror AccountNotAdmin(address);\nerror AccountNotWhitelisted(address);\nerror AddLiquidityFailed();\nerror AlreadyDeployed();\nerror BytecodeEmpty();\nerror DeadlineExceeded();\nerror DeployInitFailed();\nerror DeployFailed();\nerror BorrowFailed(uint256 errorCode);\nerror DecollateralizeFailed(uint256 errorCode);\nerror DepositMoreThanMax();\nerror EmptyBytecode();\nerror EnterAllFailed();\nerror EnforcedSafeLTV(uint256 invalidLTV);\nerror ExceededMaxDelta();\nerror ExceededMaxLTV();\nerror ExceededShareToAssetRatioDeltaThreshold();\nerror ExitAllFailed();\nerror ExitOneCoinFailed();\nerror GlobalStopGuardianEnabled();\nerror InitializeMarketsFailed();\nerror InputGreaterThanStaked();\nerror InsufficientBalance();\nerror InsufficientSwapTokenBalance();\nerror InvalidAddress();\nerror InvalidAmount();\nerror InvalidAmounts();\nerror InvalidCalldata();\nerror InvalidDestinationSwapper();\nerror InvalidERC20Address();\nerror InvalidExecutedOutputAmount();\nerror InvalidFeePercent();\nerror InvalidHandler();\nerror InvalidInputs();\nerror InvalidMsgValue();\nerror InvalidSingleHopSwap();\nerror InvalidMultiHopSwap();\nerror InvalidOutputToken();\nerror InvalidRedemptionRecipient(); // Used in cross-chain redeptions\nerror InvalidReportedOutputAmount();\nerror InvalidRewardsClaim();\nerror InvalidSignature();\nerror InvalidSignatureLength();\nerror InvalidSwapHandler();\nerror InvalidSwapInputAmount();\nerror InvalidSwapOutputToken();\nerror InvalidSwapPath();\nerror InvalidSwapPayload();\nerror InvalidSwapToken();\nerror MintMoreThanMax();\nerror MismatchedChainId();\nerror NativeAssetWrapFailed(bool wrappingToNative);\nerror NoSignatureVerificationSignerSet();\nerror RedeemMoreThanMax();\nerror RemoveLiquidityFailed();\nerror RepayDebtFailed();\nerror SafeHarborModeEnabled();\nerror SafeHarborRedemptionDisabled();\nerror SlippageExceeded(uint256 _outputAmount, uint256 _outputAmountMin);\nerror StakeFailed();\nerror SupplyFailed();\nerror StopGuardianEnabled();\nerror TradingDisabled();\nerror SwapDeadlineExceeded();\nerror SwapLimitExceeded();\nerror SwapTokenIsOutputToken();\nerror TransfersLimitExceeded();\nerror UnstakeFailed();\nerror UnauthenticatedFlashloan();\nerror UntrustedFlashLoanSender(address);\nerror WithdrawMoreThanMax();\nerror WithdrawalsDisabled();\nerror ZeroShares();\n"
},
"contracts/modules/native-asset-wrappers/WETH9NativeWrapperInitiable.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport {\n BaseNativeWrapperInitiable,\n BaseNativeWrapperConfig\n} from \"../../base/BaseNativeWrapper/v1/BaseNativeWrapperInitiable.sol\";\nimport { IWETH9 } from \"../../vendor/interfaces/IWETH9.sol\";\n\nabstract contract WETH9NativeWrapperInitiable is BaseNativeWrapperInitiable {\n function __WETH9NativeWrapperInitiable__init(BaseNativeWrapperConfig calldata config) internal onlyInitializing {\n __BaseNativeWrapperInitiable__init(config);\n }\n\n function _wrap(uint256 amount) internal override {\n // slither-disable-next-line arbitrary-send-eth\n IWETH9(WRAPPED_NATIVE_ASSET_ADDRESS).deposit{ value: amount }();\n }\n\n function _unwrap(uint256 amount) internal override {\n IWETH9(WRAPPED_NATIVE_ASSET_ADDRESS).withdraw(amount);\n }\n}\n"
},
"contracts/strategies/Trading/v2/ITradingVaultImplementation.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { CoreSimpleSwapConfig } from \"../../../base/BaseSimpleSwapInitiable.sol\";\nimport { CoreAccessControlConfig } from \"../../../base/BaseAccessControlInitiable.sol\";\nimport { CoreFeesConfig } from \"../../../base/BaseFeesInitiable.sol\";\nimport { BaseNativeWrapperConfig } from \"../../../modules/native-asset-wrappers/WETH9NativeWrapperInitiable.sol\";\n\ninterface ITradingVaultImplementation {\n function initialize(\n BaseNativeWrapperConfig calldata baseNativeWrapperConfig,\n CoreAccessControlConfig calldata coreAccessControlConfig,\n CoreSimpleSwapConfig calldata coreSimpleSwapConfig,\n CoreFeesConfig calldata coreFeesConfig\n ) external;\n}\n"
},
"contracts/strategies/Trading/v2/TradingVaultImplementation.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\nimport { BaseTransfersNativeInitiable } from \"../../../base/BaseTransfersNative/v1/BaseTransfersNativeInitiable.sol\";\nimport { BaseSimpleSwapInitiable, CoreSimpleSwapConfig } from \"../../../base/BaseSimpleSwapInitiable.sol\";\nimport { CoreAccessControlConfig } from \"../../../base/BaseAccessControlInitiable.sol\";\nimport { BaseRecoverSignerInitiable } from \"../../../base/BaseRecoverSignerInitiable.sol\";\nimport { CoreFeesConfig } from \"../../../base/BaseFeesInitiable.sol\";\nimport { CoreMulticall } from \"../../../core/CoreMulticall/v1/CoreMulticall.sol\";\nimport {\n WETH9NativeWrapperInitiable,\n BaseNativeWrapperConfig\n} from \"../../../modules/native-asset-wrappers/WETH9NativeWrapperInitiable.sol\";\nimport {\n BasePermissionedExecutionInitiable\n} from \"../../../base/BasePermissionedExecution/BasePermissionedExecutionInitiable.sol\";\nimport { ITradingVaultImplementation } from \"./ITradingVaultImplementation.sol\";\n\ncontract TradingVaultImplementation is\n ITradingVaultImplementation,\n WETH9NativeWrapperInitiable,\n BaseTransfersNativeInitiable,\n BaseSimpleSwapInitiable,\n BasePermissionedExecutionInitiable,\n CoreMulticall,\n BaseRecoverSignerInitiable\n{\n /// @notice Constructor on the implementation contract should call _disableInitializers()\n /// @dev https://forum.openzeppelin.com/t/what-does-disableinitializers-function-mean/28730\n /// @custom:oz-upgrades-unsafe-allow constructor\n constructor() {\n _disableInitializers();\n }\n\n function initialize(\n BaseNativeWrapperConfig calldata baseNativeWrapperConfig,\n CoreAccessControlConfig calldata coreAccessControlConfig,\n CoreSimpleSwapConfig calldata coreSimpleSwapConfig,\n CoreFeesConfig calldata coreFeesConfig\n ) external override initializer {\n __WETH9NativeWrapperInitiable__init(baseNativeWrapperConfig);\n __BaseAccessControlInitiable__init(coreAccessControlConfig);\n __BaseSimpleSwapInitiable__init(coreSimpleSwapConfig);\n __BaseFeesInitiable__init(coreFeesConfig);\n }\n}\n"
},
"contracts/tools/BubbleReverts/BubbleReverts.sol": {
"content": "// SPDX-License-Identifier: AGPLv3\npragma solidity >=0.8.18;\n\nimport { InvalidCalldata } from \"../../core/libraries/DefinitiveErrors.sol\";\n\n/**\n * @title Call utilities library that is absent from the OpenZeppelin\n * @author Superfluid\n * Forked from\n * https://github.com/superfluid-finance/protocol-monorepo/blob\n * /d473b4876a689efb3bbb05552040bafde364a8b2/packages/ethereum-contracts/contracts/libs/CallUtils.sol\n * (Separated by 2 lines to prevent going over 120 character per line limit)\n */\nlibrary CallUtils {\n /// @dev Bubble up the revert from the returnedData (supports Panic, Error & Custom Errors)\n /// @notice This is needed in order to provide some human-readable revert message from a call\n /// @param returnedData Response of the call\n function revertFromReturnedData(bytes memory returnedData) internal pure {\n if (returnedData.length < 4) {\n // case 1: catch all\n revert(\"CallUtils: target revert()\"); // solhint-disable-line custom-errors\n } else {\n bytes4 errorSelector;\n // solhint-disable-next-line no-inline-assembly\n assembly {\n errorSelector := mload(add(returnedData, 0x20))\n }\n if (errorSelector == bytes4(0x4e487b71) /* `seth sig \"Panic(uint256)\"` */) {\n // case 2: Panic(uint256) (Defined since 0.8.0)\n // solhint-disable-next-line max-line-length\n // ref: https://docs.soliditylang.org/en/v0.8.0/control-structures.html#panic-via-assert-and-error-via-require)\n string memory reason = \"CallUtils: target panicked: 0x__\";\n uint256 errorCode;\n // solhint-disable-next-line no-inline-assembly\n assembly {\n errorCode := mload(add(returnedData, 0x24))\n let reasonWord := mload(add(reason, 0x20))\n // [0..9] is converted to ['0'..'9']\n // [0xa..0xf] is not correctly converted to ['a'..'f']\n // but since panic code doesn't have those cases, we will ignore them for now!\n let e1 := add(and(errorCode, 0xf), 0x30)\n let e2 := shl(8, add(shr(4, and(errorCode, 0xf0)), 0x30))\n reasonWord := or(\n and(reasonWord, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000),\n or(e2, e1)\n )\n mstore(add(reason, 0x20), reasonWord)\n }\n revert(reason);\n } else {\n // case 3: Error(string) (Defined at least since 0.7.0)\n // case 4: Custom errors (Defined since 0.8.0)\n uint256 len = returnedData.length;\n // solhint-disable-next-line no-inline-assembly\n assembly {\n revert(add(returnedData, 32), len)\n }\n }\n }\n }\n\n /**\n * @dev Helper method to parse data and extract the method signature (selector).\n *\n * Copied from: https://github.com/argentlabs/argent-contracts/\n * blob/master/contracts/modules/common/Utils.sol#L54-L60\n */\n function parseSelector(bytes memory callData) internal pure returns (bytes4 selector) {\n if (callData.length < 4) {\n revert InvalidCalldata();\n }\n // solhint-disable-next-line no-inline-assembly\n assembly {\n selector := mload(add(callData, 0x20))\n }\n }\n\n /**\n * @dev Pad length to 32 bytes word boundary\n */\n function padLength32(uint256 len) internal pure returns (uint256 paddedLen) {\n return ((len / 32) + (((len & 31) > 0) /* rounding? */ ? 1 : 0)) * 32;\n }\n\n /**\n * @dev Validate if the data is encoded correctly with abi.encode(bytesData)\n *\n * Expected ABI Encode Layout:\n * | word 1 | word 2 | word 3 | the rest...\n * | data length | bytesData offset | bytesData length | bytesData + padLength32 zeros |\n */\n function isValidAbiEncodedBytes(bytes memory data) internal pure returns (bool) {\n if (data.length < 64) return false;\n uint256 bytesOffset;\n uint256 bytesLen;\n // bytes offset is always expected to be 32\n // solhint-disable-next-line no-inline-assembly\n assembly {\n bytesOffset := mload(add(data, 32))\n }\n if (bytesOffset != 32) return false;\n // solhint-disable-next-line no-inline-assembly\n assembly {\n bytesLen := mload(add(data, 64))\n }\n // the data length should be bytesData.length + 64 + padded bytes length\n return data.length == 64 + padLength32(bytesLen);\n }\n}\n"
},
"contracts/tools/GlobalGuardian/IGlobalGuardian.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >=0.8.18;\n\ninterface IGlobalGuardian {\n function disable(bytes32 keyHash) external;\n\n function enable(bytes32 keyHash) external;\n\n function functionalityIsDisabled(bytes32 keyHash) external view returns (bool);\n}\n"
},
"contracts/vendor/interfaces/IWETH9.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.18;\n\ninterface IWETH9 {\n function balanceOf(address) external view returns (uint256);\n\n function deposit() external payable;\n\n function withdraw(uint256 wad) external;\n}\n"
},
"solmate/src/tokens/ERC20.sol": {
"content": "// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\n/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)\n/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)\n/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.\nabstract contract ERC20 {\n /*//////////////////////////////////////////////////////////////\n EVENTS\n //////////////////////////////////////////////////////////////*/\n\n event Transfer(address indexed from, address indexed to, uint256 amount);\n\n event Approval(address indexed owner, address indexed spender, uint256 amount);\n\n /*//////////////////////////////////////////////////////////////\n METADATA STORAGE\n //////////////////////////////////////////////////////////////*/\n\n string public name;\n\n string public symbol;\n\n uint8 public immutable decimals;\n\n /*//////////////////////////////////////////////////////////////\n ERC20 STORAGE\n //////////////////////////////////////////////////////////////*/\n\n uint256 public totalSupply;\n\n mapping(address => uint256) public balanceOf;\n\n mapping(address => mapping(address => uint256)) public allowance;\n\n /*//////////////////////////////////////////////////////////////\n EIP-2612 STORAGE\n //////////////////////////////////////////////////////////////*/\n\n uint256 internal immutable INITIAL_CHAIN_ID;\n\n bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;\n\n mapping(address => uint256) public nonces;\n\n /*//////////////////////////////////////////////////////////////\n CONSTRUCTOR\n //////////////////////////////////////////////////////////////*/\n\n constructor(\n string memory _name,\n string memory _symbol,\n uint8 _decimals\n ) {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n\n INITIAL_CHAIN_ID = block.chainid;\n INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();\n }\n\n /*//////////////////////////////////////////////////////////////\n ERC20 LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function approve(address spender, uint256 amount) public virtual returns (bool) {\n allowance[msg.sender][spender] = amount;\n\n emit Approval(msg.sender, spender, amount);\n\n return true;\n }\n\n function transfer(address to, uint256 amount) public virtual returns (bool) {\n balanceOf[msg.sender] -= amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(msg.sender, to, amount);\n\n return true;\n }\n\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual returns (bool) {\n uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.\n\n if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;\n\n balanceOf[from] -= amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(from, to, amount);\n\n return true;\n }\n\n /*//////////////////////////////////////////////////////////////\n EIP-2612 LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) public virtual {\n require(deadline >= block.timestamp, \"PERMIT_DEADLINE_EXPIRED\");\n\n // Unchecked because the only math done is incrementing\n // the owner's nonce which cannot realistically overflow.\n unchecked {\n address recoveredAddress = ecrecover(\n keccak256(\n abi.encodePacked(\n \"\\x19\\x01\",\n DOMAIN_SEPARATOR(),\n keccak256(\n abi.encode(\n keccak256(\n \"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\"\n ),\n owner,\n spender,\n value,\n nonces[owner]++,\n deadline\n )\n )\n )\n ),\n v,\n r,\n s\n );\n\n require(recoveredAddress != address(0) && recoveredAddress == owner, \"INVALID_SIGNER\");\n\n allowance[recoveredAddress][spender] = value;\n }\n\n emit Approval(owner, spender, value);\n }\n\n function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {\n return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();\n }\n\n function computeDomainSeparator() internal view virtual returns (bytes32) {\n return\n keccak256(\n abi.encode(\n keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\"),\n keccak256(bytes(name)),\n keccak256(\"1\"),\n block.chainid,\n address(this)\n )\n );\n }\n\n /*//////////////////////////////////////////////////////////////\n INTERNAL MINT/BURN LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function _mint(address to, uint256 amount) internal virtual {\n totalSupply += amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(address(0), to, amount);\n }\n\n function _burn(address from, uint256 amount) internal virtual {\n balanceOf[from] -= amount;\n\n // Cannot underflow because a user's balance\n // will never be larger than the total supply.\n unchecked {\n totalSupply -= amount;\n }\n\n emit Transfer(from, address(0), amount);\n }\n}\n"
},
"solmate/src/utils/SafeTransferLib.sol": {
"content": "// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\nimport {ERC20} from \"../tokens/ERC20.sol\";\n\n/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)\n/// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer.\n/// @dev Note that none of the functions in this library check that a token has code at all! That responsibility is delegated to the caller.\nlibrary SafeTransferLib {\n /*//////////////////////////////////////////////////////////////\n ETH OPERATIONS\n //////////////////////////////////////////////////////////////*/\n\n function safeTransferETH(address to, uint256 amount) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Transfer the ETH and store if it succeeded or not.\n success := call(gas(), to, amount, 0, 0, 0, 0)\n }\n\n require(success, \"ETH_TRANSFER_FAILED\");\n }\n\n /*//////////////////////////////////////////////////////////////\n ERC20 OPERATIONS\n //////////////////////////////////////////////////////////////*/\n\n function safeTransferFrom(\n ERC20 token,\n address from,\n address to,\n uint256 amount\n ) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Get a pointer to some free memory.\n let freeMemoryPointer := mload(0x40)\n\n // Write the abi-encoded calldata into memory, beginning with the function selector.\n mstore(freeMemoryPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n mstore(add(freeMemoryPointer, 4), from) // Append the \"from\" argument.\n mstore(add(freeMemoryPointer, 36), to) // Append the \"to\" argument.\n mstore(add(freeMemoryPointer, 68), amount) // Append the \"amount\" argument.\n\n success := and(\n // Set success to whether the call reverted, if not we check it either\n // returned exactly 1 (can't just be non-zero data), or had no return data.\n or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),\n // We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.\n // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.\n // Counterintuitively, this call must be positioned second to the or() call in the\n // surrounding and() call or else returndatasize() will be zero during the computation.\n call(gas(), token, 0, freeMemoryPointer, 100, 0, 32)\n )\n }\n\n require(success, \"TRANSFER_FROM_FAILED\");\n }\n\n function safeTransfer(\n ERC20 token,\n address to,\n uint256 amount\n ) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Get a pointer to some free memory.\n let freeMemoryPointer := mload(0x40)\n\n // Write the abi-encoded calldata into memory, beginning with the function selector.\n mstore(freeMemoryPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)\n mstore(add(freeMemoryPointer, 4), to) // Append the \"to\" argument.\n mstore(add(freeMemoryPointer, 36), amount) // Append the \"amount\" argument.\n\n success := and(\n // Set success to whether the call reverted, if not we check it either\n // returned exactly 1 (can't just be non-zero data), or had no return data.\n or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),\n // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.\n // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.\n // Counterintuitively, this call must be positioned second to the or() call in the\n // surrounding and() call or else returndatasize() will be zero during the computation.\n call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)\n )\n }\n\n require(success, \"TRANSFER_FAILED\");\n }\n\n function safeApprove(\n ERC20 token,\n address to,\n uint256 amount\n ) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Get a pointer to some free memory.\n let freeMemoryPointer := mload(0x40)\n\n // Write the abi-encoded calldata into memory, beginning with the function selector.\n mstore(freeMemoryPointer, 0x095ea7b300000000000000000000000000000000000000000000000000000000)\n mstore(add(freeMemoryPointer, 4), to) // Append the \"to\" argument.\n mstore(add(freeMemoryPointer, 36), amount) // Append the \"amount\" argument.\n\n success := and(\n // Set success to whether the call reverted, if not we check it either\n // returned exactly 1 (can't just be non-zero data), or had no return data.\n or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),\n // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.\n // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.\n // Counterintuitively, this call must be positioned second to the or() call in the\n // surrounding and() call or else returndatasize() will be zero during the computation.\n call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)\n )\n }\n\n require(success, \"APPROVE_FAILED\");\n }\n}\n"
}
},
"settings": {
"metadata": {
"bytecodeHash": "none"
},
"optimizer": {
"enabled": true,
"runs": 500
},
"viaIR": false,
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}
}}
|
1 | 19,498,449 |
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{{
"language": "Solidity",
"sources": {
"contracts/PILZEDs.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/// @title: Pilz On-Chain Eds\n/// @author: manifold.xyz\n\nimport \"./manifold/ERC1155Creator.sol\";\n\n/////////////////////////////////////////////////////////////////////\n// //\n// //\n// ____ ___ _ _______ __ _ _ _ _ _ //\n// | _ \\_ _| | |__ / \\/ | / \\ | \\ | | \\ | | //\n// | |_) | || | / /| |\\/| | / _ \\ | \\| | \\| | //\n// | __/| || |___ / /_| | | |/ ___ \\| |\\ | |\\ | //\n// |_| |___|_____/____|_| |_/_/ \\_\\_| \\_|_| \\_| //\n// //\n// //\n// //\n/////////////////////////////////////////////////////////////////////\n\n\ncontract PILZEDs is ERC1155Creator {\n constructor() ERC1155Creator(\"Pilz On-Chain Eds\", \"PILZEDs\") {}\n}\n"
},
"contracts/manifold/ERC1155Creator.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/// @author: manifold.xyz\n\nimport \"@openzeppelin/contracts/proxy/Proxy.sol\";\nimport \"@openzeppelin/contracts/utils/Address.sol\";\nimport \"@openzeppelin/contracts/utils/StorageSlot.sol\";\n\ncontract ERC1155Creator is Proxy {\n\n constructor(string memory name, string memory symbol) {\n assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256(\"eip1967.proxy.implementation\")) - 1));\n StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0xE9FF7CA11280553Af56d04Ecb8Be6B8c4468DCB2;\n (bool success, ) = 0xE9FF7CA11280553Af56d04Ecb8Be6B8c4468DCB2.delegatecall(abi.encodeWithSignature(\"initialize(string,string)\", name, symbol));\n require(success, \"Initialization failed\");\n }\n\n /**\n * @dev Storage slot with the address of the current implementation.\n * This is the keccak-256 hash of \"eip1967.proxy.implementation\" subtracted by 1, and is\n * validated in the constructor.\n */\n bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n\n /**\n * @dev Returns the current implementation address.\n */\n function implementation() public view returns (address) {\n return _implementation();\n }\n\n function _implementation() internal override view returns (address) {\n return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n } \n\n}\n"
},
"node_modules/@openzeppelin/contracts/proxy/Proxy.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM\n * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to\n * be specified by overriding the virtual {_implementation} function.\n *\n * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a\n * different contract through the {_delegate} function.\n *\n * The success and return data of the delegated call will be returned back to the caller of the proxy.\n */\nabstract contract Proxy {\n /**\n * @dev Delegates the current call to `implementation`.\n *\n * This function does not return to its internal call site, it will return directly to the external caller.\n */\n function _delegate(address implementation) internal virtual {\n assembly {\n // Copy msg.data. We take full control of memory in this inline assembly\n // block because it will not return to Solidity code. We overwrite the\n // Solidity scratch pad at memory position 0.\n calldatacopy(0, 0, calldatasize())\n\n // Call the implementation.\n // out and outsize are 0 because we don't know the size yet.\n let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)\n\n // Copy the returned data.\n returndatacopy(0, 0, returndatasize())\n\n switch result\n // delegatecall returns 0 on error.\n case 0 {\n revert(0, returndatasize())\n }\n default {\n return(0, returndatasize())\n }\n }\n }\n\n /**\n * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function\n * and {_fallback} should delegate.\n */\n function _implementation() internal view virtual returns (address);\n\n /**\n * @dev Delegates the current call to the address returned by `_implementation()`.\n *\n * This function does not return to its internal call site, it will return directly to the external caller.\n */\n function _fallback() internal virtual {\n _beforeFallback();\n _delegate(_implementation());\n }\n\n /**\n * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other\n * function in the contract matches the call data.\n */\n fallback() external payable virtual {\n _fallback();\n }\n\n /**\n * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data\n * is empty.\n */\n receive() external payable virtual {\n _fallback();\n }\n\n /**\n * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`\n * call, or as part of the Solidity `fallback` or `receive` functions.\n *\n * If overridden should call `super._beforeFallback()`.\n */\n function _beforeFallback() internal virtual {}\n}\n"
},
"node_modules/@openzeppelin/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n *\n * Furthermore, `isContract` will also return true if the target contract within\n * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,\n * which only has an effect at the end of a transaction.\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n *\n * _Available since v4.8._\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n if (success) {\n if (returndata.length == 0) {\n // only check isContract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n require(isContract(target), \"Address: call to non-contract\");\n }\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason or using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n function _revert(bytes memory returndata, string memory errorMessage) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n}\n"
},
"node_modules/@openzeppelin/contracts/utils/StorageSlot.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Library for reading and writing primitive types to specific storage slots.\n *\n * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n *\n * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n *\n * Example usage to set ERC1967 implementation slot:\n * ```solidity\n * contract ERC1967 {\n * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n *\n * function _getImplementation() internal view returns (address) {\n * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n * }\n *\n * function _setImplementation(address newImplementation) internal {\n * require(Address.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n * }\n * }\n * ```\n *\n * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._\n * _Available since v4.9 for `string`, `bytes`._\n */\nlibrary StorageSlot {\n struct AddressSlot {\n address value;\n }\n\n struct BooleanSlot {\n bool value;\n }\n\n struct Bytes32Slot {\n bytes32 value;\n }\n\n struct Uint256Slot {\n uint256 value;\n }\n\n struct StringSlot {\n string value;\n }\n\n struct BytesSlot {\n bytes value;\n }\n\n /**\n * @dev Returns an `AddressSlot` with member `value` located at `slot`.\n */\n function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /**\n * @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n */\n function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /**\n * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n */\n function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /**\n * @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n */\n function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /**\n * @dev Returns an `StringSlot` with member `value` located at `slot`.\n */\n function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /**\n * @dev Returns an `StringSlot` representation of the string storage pointer `store`.\n */\n function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n\n /**\n * @dev Returns an `BytesSlot` with member `value` located at `slot`.\n */\n function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /**\n * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.\n */\n function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := store.slot\n }\n }\n}\n"
}
},
"settings": {
"remappings": [
"@openzeppelin/=node_modules/@openzeppelin/"
],
"optimizer": {
"enabled": true,
"runs": 300
},
"metadata": {
"bytecodeHash": "ipfs"
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "london",
"libraries": {}
}
}}
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363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
1 | 19,498,461 |
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|
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|
a669ed1f0cbc98056acdb404b6b63cbdb0d1a1e0
|
776691e9958f0bd308e84643d5aa40a7e43aaf46
|
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|
contract Token {
/// @return total amount of tokens
function totalSupply() constant returns (uint256 supply) {}
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _value) returns (bool success) {}
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
/// @notice `msg.sender` approves `_addr` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of wei to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address _spender, uint256 _value) returns (bool success) {}
/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
/*
This implements ONLY the standard functions and NOTHING else.
For a token like you would want to deploy in something like Mist, see HumanStandardToken.sol.
If you deploy this, you won't have anything useful.
Implements ERC 20 Token standard: https://github.com/ethereum/EIPs/issues/20
.*/
contract StandardToken is Token {
function transfer(address _to, uint256 _value) returns (bool success) {
//Default assumes totalSupply can't be over max (2^256 - 1).
//If your token leaves out totalSupply and can issue more tokens as time goes on, you need to check if it doesn't wrap.
//Replace the if with this one instead.
//if (balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]) {
if (balances[msg.sender] >= _value && _value > 0) {
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
} else { return false; }
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
//same as above. Replace this line with the following if you want to protect against wrapping uints.
//if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value > balances[_to]) {
if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
} else { return false; }
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
uint256 public totalSupply;
}
/*
This Token Contract implements the standard token functionality (https://github.com/ethereum/EIPs/issues/20) as well as the following OPTIONAL extras intended for use by humans.
In other words. This is intended for deployment in something like a Token Factory or Mist wallet, and then used by humans.
Imagine coins, currencies, shares, voting weight, etc.
Machine-based, rapid creation of many tokens would not necessarily need these extra features or will be minted in other manners.
1) Initial Finite Supply (upon creation one specifies how much is minted).
2) In the absence of a token registry: Optional Decimal, Symbol & Name.
3) Optional approveAndCall() functionality to notify a contract if an approval() has occurred.
.*/
contract HumanStandardToken is StandardToken {
function () {
//if ether is sent to this address, send it back.
throw;
}
/* Public variables of the token */
/*
NOTE:
The following variables are OPTIONAL vanities. One does not have to include them.
They allow one to customise the token contract & in no way influences the core functionality.
Some wallets/interfaces might not even bother to look at this information.
*/
string public name; //fancy name: eg Simon Bucks
uint8 public decimals; //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It's like comparing 1 wei to 1 ether.
string public symbol; //An identifier: eg SBX
string public version = 'H0.1'; //human 0.1 standard. Just an arbitrary versioning scheme.
function HumanStandardToken(
uint256 _initialAmount,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol
) {
balances[msg.sender] = _initialAmount; // Give the creator all initial tokens
totalSupply = _initialAmount; // Update total supply
name = _tokenName; // Set the name for display purposes
decimals = _decimalUnits; // Amount of decimals for display purposes
symbol = _tokenSymbol; // Set the symbol for display purposes
}
/* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
//call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
//receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
//it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
}
}
|
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|
{{
"language": "Solidity",
"sources": {
"src/clones/ERC1155SeaDropCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n ERC1155SeaDropContractOffererCloneable\n} from \"./ERC1155SeaDropContractOffererCloneable.sol\";\n\n/**\n * @title ERC1155SeaDropCloneable\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @author Michael Cohen (notmichael.eth)\n * @notice A cloneable ERC1155 token contract that can mint as a\n * Seaport contract offerer.\n */\ncontract ERC1155SeaDropCloneable is ERC1155SeaDropContractOffererCloneable {\n /**\n * @notice Initialize the token contract.\n *\n * @param allowedConfigurer The address of the contract allowed to\n * implementation code. Also contains SeaDrop\n * implementation code.\n * @param allowedSeaport The address of the Seaport contract allowed to\n * interact.\n * @param name_ The name of the token.\n * @param symbol_ The symbol of the token.\n */\n function initialize(\n address allowedConfigurer,\n address allowedSeaport,\n string memory name_,\n string memory symbol_,\n address initialOwner\n ) public initializer {\n // Initialize ownership.\n _initializeOwner(initialOwner);\n\n // Initialize ERC1155SeaDropContractOffererCloneable.\n __ERC1155SeaDropContractOffererCloneable_init(\n allowedConfigurer,\n allowedSeaport,\n name_,\n symbol_\n );\n }\n\n /**\n * @dev Auto-approve the conduit after mint or transfer.\n *\n * @custom:param from The address to transfer from.\n * @param to The address to transfer to.\n * @custom:param ids The token ids to transfer.\n * @custom:param amounts The quantities to transfer.\n * @custom:param data The data to pass if receiver is a contract.\n */\n function _afterTokenTransfer(\n address /* from */,\n address to,\n uint256[] memory /* ids */,\n uint256[] memory /* amounts */,\n bytes memory /* data */\n ) internal virtual override {\n // Auto-approve the conduit.\n if (to != address(0) && !isApprovedForAll(to, _CONDUIT)) {\n _setApprovalForAll(to, _CONDUIT, true);\n }\n }\n\n /**\n * @dev Override this function to return true if `_afterTokenTransfer` is\n * used. The is to help the compiler avoid producing dead bytecode.\n */\n function _useAfterTokenTransfer()\n internal\n view\n virtual\n override\n returns (bool)\n {\n return true;\n }\n\n /**\n * @notice Burns a token, restricted to the owner or approved operator,\n * and must have sufficient balance.\n *\n * @param from The address to burn from.\n * @param id The token id to burn.\n * @param amount The amount to burn.\n */\n function burn(address from, uint256 id, uint256 amount) external {\n // Burn the token.\n _burn(msg.sender, from, id, amount);\n }\n\n /**\n * @notice Burns a batch of tokens, restricted to the owner or\n * approved operator, and must have sufficient balance.\n *\n * @param from The address to burn from.\n * @param ids The token ids to burn.\n * @param amounts The amounts to burn per token id.\n */\n function batchBurn(\n address from,\n uint256[] calldata ids,\n uint256[] calldata amounts\n ) external {\n // Burn the tokens.\n _batchBurn(msg.sender, from, ids, amounts);\n }\n}\n"
},
"src/clones/ERC1155SeaDropContractOffererCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { IERC1155SeaDrop } from \"../interfaces/IERC1155SeaDrop.sol\";\n\nimport { ISeaDropToken } from \"../interfaces/ISeaDropToken.sol\";\n\nimport {\n ERC1155ContractMetadataCloneable\n} from \"./ERC1155ContractMetadataCloneable.sol\";\n\nimport {\n ERC1155SeaDropContractOffererStorage\n} from \"../lib/ERC1155SeaDropContractOffererStorage.sol\";\n\nimport {\n ERC1155SeaDropErrorsAndEvents\n} from \"../lib/ERC1155SeaDropErrorsAndEvents.sol\";\n\nimport { PublicDrop } from \"../lib//ERC1155SeaDropStructs.sol\";\n\nimport { AllowListData } from \"../lib/SeaDropStructs.sol\";\n\nimport {\n ERC1155ConduitPreapproved\n} from \"../lib/ERC1155ConduitPreapproved.sol\";\n\nimport { ERC1155 } from \"solady/src/tokens/ERC1155.sol\";\n\nimport { SpentItem } from \"seaport-types/src/lib/ConsiderationStructs.sol\";\n\nimport {\n ContractOffererInterface\n} from \"seaport-types/src/interfaces/ContractOffererInterface.sol\";\n\nimport {\n IERC165\n} from \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\n/**\n * @title ERC1155SeaDropContractOffererCloneable\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @author Michael Cohen (notmichael.eth)\n * @notice A cloneable ERC1155 token contract that can mint as a\n * Seaport contract offerer.\n */\ncontract ERC1155SeaDropContractOffererCloneable is\n ERC1155ContractMetadataCloneable,\n ERC1155SeaDropErrorsAndEvents\n{\n using ERC1155SeaDropContractOffererStorage for ERC1155SeaDropContractOffererStorage.Layout;\n\n /**\n * @notice Initialize the token contract.\n *\n * @param allowedConfigurer The address of the contract allowed to\n * configure parameters. Also contains SeaDrop\n * implementation code.\n * @param allowedSeaport The address of the Seaport contract allowed to\n * interact.\n * @param name_ The name of the token.\n * @param symbol_ The symbol of the token.\n */\n function __ERC1155SeaDropContractOffererCloneable_init(\n address allowedConfigurer,\n address allowedSeaport,\n string memory name_,\n string memory symbol_\n ) internal onlyInitializing {\n // Set the allowed Seaport to interact with this contract.\n if (allowedSeaport == address(0)) {\n revert AllowedSeaportCannotBeZeroAddress();\n }\n ERC1155SeaDropContractOffererStorage.layout()._allowedSeaport[\n allowedSeaport\n ] = true;\n\n // Set the allowed Seaport enumeration.\n address[] memory enumeratedAllowedSeaport = new address[](1);\n enumeratedAllowedSeaport[0] = allowedSeaport;\n ERC1155SeaDropContractOffererStorage\n .layout()\n ._enumeratedAllowedSeaport = enumeratedAllowedSeaport;\n\n // Emit an event noting the contract deployment.\n emit SeaDropTokenDeployed(SEADROP_TOKEN_TYPE.ERC1155_CLONE);\n\n // Initialize ERC1155ContractMetadataCloneable.\n __ERC1155ContractMetadataCloneable_init(\n allowedConfigurer,\n name_,\n symbol_\n );\n }\n\n /**\n * @notice The fallback function is used as a dispatcher for SeaDrop\n * methods.\n */\n fallback(bytes calldata) external returns (bytes memory output) {\n // Get the function selector.\n bytes4 selector = msg.sig;\n\n // Get the rest of the msg data after the selector.\n bytes calldata data = msg.data[4:];\n\n // Determine if we should forward the call to the implementation\n // contract with SeaDrop logic.\n bool callSeaDropImplementation = selector ==\n ISeaDropToken.updateAllowedSeaport.selector ||\n selector == ISeaDropToken.updateDropURI.selector ||\n selector == ISeaDropToken.updateAllowList.selector ||\n selector == ISeaDropToken.updateCreatorPayouts.selector ||\n selector == ISeaDropToken.updatePayer.selector ||\n selector == ISeaDropToken.updateAllowedFeeRecipient.selector ||\n selector == ISeaDropToken.updateSigner.selector ||\n selector == IERC1155SeaDrop.updatePublicDrop.selector ||\n selector == ContractOffererInterface.previewOrder.selector ||\n selector == ContractOffererInterface.generateOrder.selector ||\n selector == ContractOffererInterface.getSeaportMetadata.selector ||\n selector == IERC1155SeaDrop.getPublicDrop.selector ||\n selector == IERC1155SeaDrop.getPublicDropIndexes.selector ||\n selector == ISeaDropToken.getAllowedSeaport.selector ||\n selector == ISeaDropToken.getCreatorPayouts.selector ||\n selector == ISeaDropToken.getAllowListMerkleRoot.selector ||\n selector == ISeaDropToken.getAllowedFeeRecipients.selector ||\n selector == ISeaDropToken.getSigners.selector ||\n selector == ISeaDropToken.getDigestIsUsed.selector ||\n selector == ISeaDropToken.getPayers.selector;\n\n // Determine if we should require only the owner or configurer calling.\n bool requireOnlyOwnerOrConfigurer = selector ==\n ISeaDropToken.updateAllowedSeaport.selector ||\n selector == ISeaDropToken.updateDropURI.selector ||\n selector == ISeaDropToken.updateAllowList.selector ||\n selector == ISeaDropToken.updateCreatorPayouts.selector ||\n selector == ISeaDropToken.updatePayer.selector ||\n selector == ISeaDropToken.updateAllowedFeeRecipient.selector ||\n selector == IERC1155SeaDrop.updatePublicDrop.selector;\n\n if (callSeaDropImplementation) {\n // For update calls, ensure the sender is only the owner\n // or configurer contract.\n if (requireOnlyOwnerOrConfigurer) {\n _onlyOwnerOrConfigurer();\n } else if (selector == ISeaDropToken.updateSigner.selector) {\n // For updateSigner, a signer can disallow themselves.\n // Get the signer parameter.\n address signer = address(bytes20(data[12:32]));\n // If the signer is not allowed, ensure sender is only owner\n // or configurer.\n if (\n msg.sender != signer ||\n (msg.sender == signer &&\n !ERC1155SeaDropContractOffererStorage\n .layout()\n ._allowedSigners[signer])\n ) {\n _onlyOwnerOrConfigurer();\n }\n }\n\n // Forward the call to the implementation contract.\n (bool success, bytes memory returnedData) = _CONFIGURER\n .delegatecall(msg.data);\n\n // Require that the call was successful.\n if (!success) {\n // Bubble up the revert reason.\n assembly {\n revert(add(32, returnedData), mload(returnedData))\n }\n }\n\n // If the call was to generateOrder, mint the tokens.\n if (selector == ContractOffererInterface.generateOrder.selector) {\n _mintOrder(data);\n }\n\n // Return the data from the delegate call.\n return returnedData;\n } else if (selector == IERC1155SeaDrop.getMintStats.selector) {\n // Get the minter and token id.\n (address minter, uint256 tokenId) = abi.decode(\n data,\n (address, uint256)\n );\n\n // Get the mint stats.\n (\n uint256 minterNumMinted,\n uint256 minterNumMintedForTokenId,\n uint256 totalMintedForTokenId,\n uint256 maxSupply\n ) = _getMintStats(minter, tokenId);\n\n // Encode the return data.\n return\n abi.encode(\n minterNumMinted,\n minterNumMintedForTokenId,\n totalMintedForTokenId,\n maxSupply\n );\n } else if (selector == ContractOffererInterface.ratifyOrder.selector) {\n // This function is a no-op, nothing additional needs to happen here.\n // Utilize assembly to efficiently return the ratifyOrder magic value.\n assembly {\n mstore(0, 0xf4dd92ce)\n return(0x1c, 32)\n }\n } else if (selector == ISeaDropToken.configurer.selector) {\n // Return the configurer contract.\n return abi.encode(_CONFIGURER);\n } else if (selector == IERC1155SeaDrop.multiConfigureMint.selector) {\n // Ensure only the owner or configurer can call this function.\n _onlyOwnerOrConfigurer();\n\n // Mint the tokens.\n _multiConfigureMint(data);\n } else {\n // Revert if the function selector is not supported.\n revert UnsupportedFunctionSelector(selector);\n }\n }\n\n /**\n * @notice Returns a set of mint stats for the address.\n * This assists in enforcing maxSupply, maxTotalMintableByWallet,\n * and maxTokenSupplyForStage checks.\n *\n * @dev NOTE: Implementing contracts should always update these numbers\n * before transferring any tokens with _safeMint() to mitigate\n * consequences of malicious onERC1155Received() hooks.\n *\n * @param minter The minter address.\n * @param tokenId The token id to return the stats for.\n */\n function _getMintStats(\n address minter,\n uint256 tokenId\n )\n internal\n view\n returns (\n uint256 minterNumMinted,\n uint256 minterNumMintedForTokenId,\n uint256 totalMintedForTokenId,\n uint256 maxSupply\n )\n {\n // Put the token supply on the stack.\n TokenSupply storage tokenSupply = _tokenSupply[tokenId];\n\n // Assign the return values.\n totalMintedForTokenId = tokenSupply.totalMinted;\n maxSupply = tokenSupply.maxSupply;\n minterNumMinted = _totalMintedByUser[minter];\n minterNumMintedForTokenId = _totalMintedByUserPerToken[minter][tokenId];\n }\n\n /**\n * @dev Handle ERC-1155 safeTransferFrom. If \"from\" is this contract,\n * the sender can only be Seaport or the conduit.\n *\n * @param from The address to transfer from.\n * @param to The address to transfer to.\n * @param id The token id to transfer.\n * @param amount The amount of tokens to transfer.\n * @param data The data to pass to the onERC1155Received hook.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) public virtual override {\n if (from == address(this)) {\n // Only Seaport or the conduit can use this function\n // when \"from\" is this contract.\n if (\n msg.sender != _CONDUIT &&\n !ERC1155SeaDropContractOffererStorage.layout()._allowedSeaport[\n msg.sender\n ]\n ) {\n revert InvalidCallerOnlyAllowedSeaport(msg.sender);\n }\n return;\n }\n\n ERC1155._safeTransfer(_by(), from, to, id, amount, data);\n }\n\n /**\n * @notice Returns whether the interface is supported.\n *\n * @param interfaceId The interface id to check against.\n */\n function supportsInterface(\n bytes4 interfaceId\n )\n public\n view\n virtual\n override(ERC1155ContractMetadataCloneable)\n returns (bool)\n {\n return\n interfaceId == type(IERC1155SeaDrop).interfaceId ||\n interfaceId == type(ContractOffererInterface).interfaceId ||\n interfaceId == 0x2e778efc || // SIP-5 (getSeaportMetadata)\n // ERC1155ContractMetadata returns supportsInterface true for\n // IERC1155ContractMetadata, ERC-4906, ERC-2981\n // ERC1155A returns supportsInterface true for\n // ERC165, ERC1155, ERC1155MetadataURI\n ERC1155ContractMetadataCloneable.supportsInterface(interfaceId);\n }\n\n /**\n * @dev Internal function to mint tokens during a generateOrder call\n * from Seaport.\n *\n * @param data The original transaction calldata, without the selector.\n */\n function _mintOrder(bytes calldata data) internal {\n // Decode fulfiller, minimumReceived, and context from calldata.\n (\n address fulfiller,\n SpentItem[] memory minimumReceived,\n ,\n bytes memory context\n ) = abi.decode(data, (address, SpentItem[], SpentItem[], bytes));\n\n // Assign the minter from context[22:42]. We validate context has the\n // correct minimum length in the implementation's `_decodeOrder`.\n address minter;\n assembly {\n minter := shr(96, mload(add(add(context, 0x20), 22)))\n }\n\n // If the minter is the zero address, set it to the fulfiller.\n if (minter == address(0)) {\n minter = fulfiller;\n }\n\n // Set the token ids and quantities.\n uint256 minimumReceivedLength = minimumReceived.length;\n uint256[] memory tokenIds = new uint256[](minimumReceivedLength);\n uint256[] memory quantities = new uint256[](minimumReceivedLength);\n for (uint256 i = 0; i < minimumReceivedLength; ) {\n tokenIds[i] = minimumReceived[i].identifier;\n quantities[i] = minimumReceived[i].amount;\n unchecked {\n ++i;\n }\n }\n\n // Mint the tokens.\n _batchMint(minter, tokenIds, quantities, \"\");\n }\n\n /**\n * @dev Internal function to mint tokens during a multiConfigureMint call\n * from the configurer contract.\n *\n * @param data The original transaction calldata, without the selector.\n */\n function _multiConfigureMint(bytes calldata data) internal {\n // Decode the calldata.\n (\n address recipient,\n uint256[] memory tokenIds,\n uint256[] memory amounts\n ) = abi.decode(data, (address, uint256[], uint256[]));\n\n _batchMint(recipient, tokenIds, amounts, \"\");\n }\n}\n"
},
"src/interfaces/IERC1155SeaDrop.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { ISeaDropToken } from \"./ISeaDropToken.sol\";\n\nimport { PublicDrop } from \"../lib/ERC1155SeaDropStructs.sol\";\n\n/**\n * @dev A helper interface to get and set parameters for ERC1155SeaDrop.\n * The token does not expose these methods as part of its external\n * interface to optimize contract size, but does implement them.\n */\ninterface IERC1155SeaDrop is ISeaDropToken {\n /**\n * @notice Update the SeaDrop public drop parameters at a given index.\n *\n * @param publicDrop The new public drop parameters.\n * @param index The public drop index.\n */\n function updatePublicDrop(\n PublicDrop calldata publicDrop,\n uint256 index\n ) external;\n\n /**\n * @notice Returns the public drop stage parameters at a given index.\n *\n * @param index The index of the public drop stage.\n */\n function getPublicDrop(\n uint256 index\n ) external view returns (PublicDrop memory);\n\n /**\n * @notice Returns the public drop indexes.\n */\n function getPublicDropIndexes() external view returns (uint256[] memory);\n\n /**\n * @notice Returns a set of mint stats for the address.\n * This assists SeaDrop in enforcing maxSupply,\n * maxTotalMintableByWallet, maxTotalMintableByWalletPerToken,\n * and maxTokenSupplyForStage checks.\n *\n * @dev NOTE: Implementing contracts should always update these numbers\n * before transferring any tokens with _safeMint() to mitigate\n * consequences of malicious onERC1155Received() hooks.\n *\n * @param minter The minter address.\n * @param tokenId The token id to return stats for.\n */\n function getMintStats(\n address minter,\n uint256 tokenId\n )\n external\n view\n returns (\n uint256 minterNumMinted,\n uint256 minterNumMintedForTokenId,\n uint256 totalMintedForTokenId,\n uint256 maxSupply\n );\n\n /**\n * @notice This function is only allowed to be called by the configurer\n * contract as a way to batch mints and configuration in one tx.\n *\n * @param recipient The address to receive the mints.\n * @param tokenIds The tokenIds to mint.\n * @param amounts The amounts to mint.\n */\n function multiConfigureMint(\n address recipient,\n uint256[] calldata tokenIds,\n uint256[] calldata amounts\n ) external;\n}\n"
},
"src/interfaces/ISeaDropToken.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n ISeaDropTokenContractMetadata\n} from \"./ISeaDropTokenContractMetadata.sol\";\n\nimport { AllowListData, CreatorPayout } from \"../lib/SeaDropStructs.sol\";\n\n/**\n * @dev A helper base interface for IERC721SeaDrop and IERC1155SeaDrop.\n * The token does not expose these methods as part of its external\n * interface to optimize contract size, but does implement them.\n */\ninterface ISeaDropToken is ISeaDropTokenContractMetadata {\n /**\n * @notice Update the SeaDrop allowed Seaport contracts privileged to mint.\n * Only the owner can use this function.\n *\n * @param allowedSeaport The allowed Seaport addresses.\n */\n function updateAllowedSeaport(address[] calldata allowedSeaport) external;\n\n /**\n * @notice Update the SeaDrop allowed fee recipient.\n * Only the owner can use this function.\n *\n * @param feeRecipient The new fee recipient.\n * @param allowed Whether the fee recipient is allowed.\n */\n function updateAllowedFeeRecipient(\n address feeRecipient,\n bool allowed\n ) external;\n\n /**\n * @notice Update the SeaDrop creator payout addresses.\n * The total basis points must add up to exactly 10_000.\n * Only the owner can use this function.\n *\n * @param creatorPayouts The new creator payouts.\n */\n function updateCreatorPayouts(\n CreatorPayout[] calldata creatorPayouts\n ) external;\n\n /**\n * @notice Update the SeaDrop drop URI.\n * Only the owner can use this function.\n *\n * @param dropURI The new drop URI.\n */\n function updateDropURI(string calldata dropURI) external;\n\n /**\n * @notice Update the SeaDrop allow list data.\n * Only the owner can use this function.\n *\n * @param allowListData The new allow list data.\n */\n function updateAllowList(AllowListData calldata allowListData) external;\n\n /**\n * @notice Update the SeaDrop allowed payers.\n * Only the owner can use this function.\n *\n * @param payer The payer to update.\n * @param allowed Whether the payer is allowed.\n */\n function updatePayer(address payer, bool allowed) external;\n\n /**\n * @notice Update the SeaDrop allowed signer.\n * Only the owner can use this function.\n * An allowed signer can also disallow themselves.\n *\n * @param signer The signer to update.\n * @param allowed Whether the signer is allowed.\n */\n function updateSigner(address signer, bool allowed) external;\n\n /**\n * @notice Get the SeaDrop allowed Seaport contracts privileged to mint.\n */\n function getAllowedSeaport() external view returns (address[] memory);\n\n /**\n * @notice Returns the SeaDrop creator payouts.\n */\n function getCreatorPayouts() external view returns (CreatorPayout[] memory);\n\n /**\n * @notice Returns the SeaDrop allow list merkle root.\n */\n function getAllowListMerkleRoot() external view returns (bytes32);\n\n /**\n * @notice Returns the SeaDrop allowed fee recipients.\n */\n function getAllowedFeeRecipients() external view returns (address[] memory);\n\n /**\n * @notice Returns the SeaDrop allowed signers.\n */\n function getSigners() external view returns (address[] memory);\n\n /**\n * @notice Returns if the signed digest has been used.\n *\n * @param digest The digest hash.\n */\n function getDigestIsUsed(bytes32 digest) external view returns (bool);\n\n /**\n * @notice Returns the SeaDrop allowed payers.\n */\n function getPayers() external view returns (address[] memory);\n\n /**\n * @notice Returns the configurer contract.\n */\n function configurer() external view returns (address);\n}\n"
},
"src/clones/ERC1155ContractMetadataCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n IERC1155ContractMetadata\n} from \"../interfaces/IERC1155ContractMetadata.sol\";\n\nimport {\n ERC1155ConduitPreapproved\n} from \"../lib/ERC1155ConduitPreapproved.sol\";\n\nimport { ERC1155 } from \"solady/src/tokens/ERC1155.sol\";\n\nimport { ERC2981 } from \"solady/src/tokens/ERC2981.sol\";\n\nimport { Ownable } from \"solady/src/auth/Ownable.sol\";\n\nimport {\n Initializable\n} from \"@openzeppelin-upgradeable/contracts/proxy/utils/Initializable.sol\";\n\n/**\n * @title ERC1155ContractMetadataCloneable\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @author Michael Cohen (notmichael.eth)\n * @notice A cloneable token contract that extends ERC-1155\n * with additional metadata and ownership capabilities.\n */\ncontract ERC1155ContractMetadataCloneable is\n ERC1155ConduitPreapproved,\n ERC2981,\n Ownable,\n IERC1155ContractMetadata,\n Initializable\n{\n /// @notice A struct containing the token supply info per token id.\n mapping(uint256 => TokenSupply) _tokenSupply;\n\n /// @notice The total number of tokens minted by address.\n mapping(address => uint256) _totalMintedByUser;\n\n /// @notice The total number of tokens minted per token id by address.\n mapping(address => mapping(uint256 => uint256)) _totalMintedByUserPerToken;\n\n /// @notice The name of the token.\n string internal _name;\n\n /// @notice The symbol of the token.\n string internal _symbol;\n\n /// @notice The base URI for token metadata.\n string internal _baseURI;\n\n /// @notice The contract URI for contract metadata.\n string internal _contractURI;\n\n /// @notice The provenance hash for guaranteeing metadata order\n /// for random reveals.\n bytes32 internal _provenanceHash;\n\n /// @notice The allowed contract that can configure SeaDrop parameters.\n address internal _CONFIGURER;\n\n /**\n * @dev Reverts if the sender is not the owner or the allowed\n * configurer contract.\n *\n * This is used as a function instead of a modifier\n * to save contract space when used multiple times.\n */\n function _onlyOwnerOrConfigurer() internal view {\n if (msg.sender != _CONFIGURER && msg.sender != owner()) {\n revert Unauthorized();\n }\n }\n\n /**\n * @notice Deploy the token contract.\n *\n * @param allowedConfigurer The address of the contract allowed to\n * configure parameters. Also contains SeaDrop\n * implementation code.\n * @param name_ The name of the token.\n * @param symbol_ The symbol of the token.\n */\n function __ERC1155ContractMetadataCloneable_init(\n address allowedConfigurer,\n string memory name_,\n string memory symbol_\n ) internal onlyInitializing {\n // Set the name of the token.\n _name = name_;\n\n // Set the symbol of the token.\n _symbol = symbol_;\n\n // Set the allowed configurer contract to interact with this contract.\n _CONFIGURER = allowedConfigurer;\n }\n\n /**\n * @notice Sets the base URI for the token metadata and emits an event.\n *\n * @param newBaseURI The new base URI to set.\n */\n function setBaseURI(string calldata newBaseURI) external override {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Set the new base URI.\n _baseURI = newBaseURI;\n\n // Emit an event with the update.\n emit BatchMetadataUpdate(0, type(uint256).max);\n }\n\n /**\n * @notice Sets the contract URI for contract metadata.\n *\n * @param newContractURI The new contract URI.\n */\n function setContractURI(string calldata newContractURI) external override {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Set the new contract URI.\n _contractURI = newContractURI;\n\n // Emit an event with the update.\n emit ContractURIUpdated(newContractURI);\n }\n\n /**\n * @notice Emit an event notifying metadata updates for\n * a range of token ids, according to EIP-4906.\n *\n * @param fromTokenId The start token id.\n * @param toTokenId The end token id.\n */\n function emitBatchMetadataUpdate(\n uint256 fromTokenId,\n uint256 toTokenId\n ) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Emit an event with the update.\n if (fromTokenId == toTokenId) {\n // If only one token is being updated, use the event\n // in the 1155 spec.\n emit URI(uri(fromTokenId), fromTokenId);\n } else {\n emit BatchMetadataUpdate(fromTokenId, toTokenId);\n }\n }\n\n /**\n * @notice Sets the max token supply and emits an event.\n *\n * @param tokenId The token id to set the max supply for.\n * @param newMaxSupply The new max supply to set.\n */\n function setMaxSupply(uint256 tokenId, uint256 newMaxSupply) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Ensure the max supply does not exceed the maximum value of uint64,\n // a limit due to the storage of bit-packed variables in TokenSupply,\n if (newMaxSupply > 2 ** 64 - 1) {\n revert CannotExceedMaxSupplyOfUint64(newMaxSupply);\n }\n\n // Set the new max supply.\n _tokenSupply[tokenId].maxSupply = uint64(newMaxSupply);\n\n // Emit an event with the update.\n emit MaxSupplyUpdated(tokenId, newMaxSupply);\n }\n\n /**\n * @notice Sets the provenance hash and emits an event.\n *\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it has not been\n * modified after mint started.\n *\n * This function will revert if the provenance hash has already\n * been set, so be sure to carefully set it only once.\n *\n * @param newProvenanceHash The new provenance hash to set.\n */\n function setProvenanceHash(bytes32 newProvenanceHash) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Keep track of the old provenance hash for emitting with the event.\n bytes32 oldProvenanceHash = _provenanceHash;\n\n // Revert if the provenance hash has already been set.\n if (oldProvenanceHash != bytes32(0)) {\n revert ProvenanceHashCannotBeSetAfterAlreadyBeingSet();\n }\n\n // Set the new provenance hash.\n _provenanceHash = newProvenanceHash;\n\n // Emit an event with the update.\n emit ProvenanceHashUpdated(oldProvenanceHash, newProvenanceHash);\n }\n\n /**\n * @notice Sets the default royalty information.\n *\n * Requirements:\n *\n * - `receiver` cannot be the zero address.\n * - `feeNumerator` cannot be greater than the fee denominator of 10_000 basis points.\n */\n function setDefaultRoyalty(address receiver, uint96 feeNumerator) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Set the default royalty.\n // ERC2981 implementation ensures feeNumerator <= feeDenominator\n // and receiver != address(0).\n _setDefaultRoyalty(receiver, feeNumerator);\n\n // Emit an event with the updated params.\n emit RoyaltyInfoUpdated(receiver, feeNumerator);\n }\n\n /**\n * @notice Returns the name of the token.\n */\n function name() external view returns (string memory) {\n return _name;\n }\n\n /**\n * @notice Returns the symbol of the token.\n */\n function symbol() external view returns (string memory) {\n return _symbol;\n }\n\n /**\n * @notice Returns the base URI for token metadata.\n */\n function baseURI() external view override returns (string memory) {\n return _baseURI;\n }\n\n /**\n * @notice Returns the contract URI for contract metadata.\n */\n function contractURI() external view override returns (string memory) {\n return _contractURI;\n }\n\n /**\n * @notice Returns the max token supply for a token id.\n */\n function maxSupply(uint256 tokenId) external view returns (uint256) {\n return _tokenSupply[tokenId].maxSupply;\n }\n\n /**\n * @notice Returns the total supply for a token id.\n */\n function totalSupply(uint256 tokenId) external view returns (uint256) {\n return _tokenSupply[tokenId].totalSupply;\n }\n\n /**\n * @notice Returns the total minted for a token id.\n */\n function totalMinted(uint256 tokenId) external view returns (uint256) {\n return _tokenSupply[tokenId].totalMinted;\n }\n\n /**\n * @notice Returns the provenance hash.\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it is unmodified\n * after mint has started.\n */\n function provenanceHash() external view override returns (bytes32) {\n return _provenanceHash;\n }\n\n /**\n * @notice Returns the URI for token metadata.\n *\n * This implementation returns the same URI for *all* token types.\n * It relies on the token type ID substitution mechanism defined\n * in the EIP to replace {id} with the token id.\n *\n * @custom:param tokenId The token id to get the URI for.\n */\n function uri(\n uint256 /* tokenId */\n ) public view virtual override returns (string memory) {\n // Return the base URI.\n return _baseURI;\n }\n\n /**\n * @notice Returns whether the interface is supported.\n *\n * @param interfaceId The interface id to check against.\n */\n function supportsInterface(\n bytes4 interfaceId\n ) public view virtual override(ERC1155, ERC2981) returns (bool) {\n return\n interfaceId == type(IERC1155ContractMetadata).interfaceId ||\n interfaceId == 0x49064906 || // ERC-4906 (MetadataUpdate)\n ERC2981.supportsInterface(interfaceId) ||\n // ERC1155 returns supportsInterface true for\n // ERC165, ERC1155, ERC1155MetadataURI\n ERC1155.supportsInterface(interfaceId);\n }\n\n /**\n * @dev Adds to the internal counters for a mint.\n *\n * @param to The address to mint to.\n * @param id The token id to mint.\n * @param amount The quantity to mint.\n * @param data The data to pass if receiver is a contract.\n */\n function _mint(\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) internal virtual override {\n // Increment mint counts.\n _incrementMintCounts(to, id, amount);\n\n ERC1155._mint(to, id, amount, data);\n }\n\n /**\n * @dev Adds to the internal counters for a batch mint.\n *\n * @param to The address to mint to.\n * @param ids The token ids to mint.\n * @param amounts The quantities to mint.\n * @param data The data to pass if receiver is a contract.\n */\n function _batchMint(\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual override {\n // Put ids length on the stack to save MLOADs.\n uint256 idsLength = ids.length;\n\n for (uint256 i = 0; i < idsLength; ) {\n // Increment mint counts.\n _incrementMintCounts(to, ids[i], amounts[i]);\n\n unchecked {\n ++i;\n }\n }\n\n ERC1155._batchMint(to, ids, amounts, data);\n }\n\n /**\n * @dev Subtracts from the internal counters for a burn.\n *\n * @param by The address calling the burn.\n * @param from The address to burn from.\n * @param id The token id to burn.\n * @param amount The amount to burn.\n */\n function _burn(\n address by,\n address from,\n uint256 id,\n uint256 amount\n ) internal virtual override {\n // Reduce the supply.\n _reduceSupplyOnBurn(id, amount);\n\n ERC1155._burn(by, from, id, amount);\n }\n\n /**\n * @dev Subtracts from the internal counters for a batch burn.\n *\n * @param by The address calling the burn.\n * @param from The address to burn from.\n * @param ids The token ids to burn.\n * @param amounts The amounts to burn.\n */\n function _batchBurn(\n address by,\n address from,\n uint256[] memory ids,\n uint256[] memory amounts\n ) internal virtual override {\n // Put ids length on the stack to save MLOADs.\n uint256 idsLength = ids.length;\n\n for (uint256 i = 0; i < idsLength; ) {\n // Reduce the supply.\n _reduceSupplyOnBurn(ids[i], amounts[i]);\n\n unchecked {\n ++i;\n }\n }\n\n ERC1155._batchBurn(by, from, ids, amounts);\n }\n\n function _reduceSupplyOnBurn(uint256 id, uint256 amount) internal {\n // Get the current token supply.\n TokenSupply storage tokenSupply = _tokenSupply[id];\n\n // Reduce the totalSupply.\n unchecked {\n tokenSupply.totalSupply -= uint64(amount);\n }\n }\n\n /**\n * @dev Internal function to increment mint counts.\n *\n * Note that this function does not check if the mint exceeds\n * maxSupply, which should be validated before this function is called.\n *\n * @param to The address to mint to.\n * @param id The token id to mint.\n * @param amount The quantity to mint.\n */\n function _incrementMintCounts(\n address to,\n uint256 id,\n uint256 amount\n ) internal {\n // Get the current token supply.\n TokenSupply storage tokenSupply = _tokenSupply[id];\n\n if (tokenSupply.totalMinted + amount > tokenSupply.maxSupply) {\n revert MintExceedsMaxSupply(\n tokenSupply.totalMinted + amount,\n tokenSupply.maxSupply\n );\n }\n\n // Increment supply and number minted.\n // Can be unchecked because maxSupply cannot be set to exceed uint64.\n unchecked {\n tokenSupply.totalSupply += uint64(amount);\n tokenSupply.totalMinted += uint64(amount);\n\n // Increment total minted by user.\n _totalMintedByUser[to] += amount;\n\n // Increment total minted by user per token.\n _totalMintedByUserPerToken[to][id] += amount;\n }\n }\n}\n"
},
"src/lib/ERC1155SeaDropContractOffererStorage.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { PublicDrop } from \"./ERC1155SeaDropStructs.sol\";\n\nimport { CreatorPayout } from \"./SeaDropStructs.sol\";\n\nlibrary ERC1155SeaDropContractOffererStorage {\n struct Layout {\n /// @notice The allowed Seaport addresses that can mint.\n mapping(address => bool) _allowedSeaport;\n /// @notice The enumerated allowed Seaport addresses.\n address[] _enumeratedAllowedSeaport;\n /// @notice The public drop data.\n mapping(uint256 => PublicDrop) _publicDrops;\n /// @notice The enumerated public drop indexes.\n uint256[] _enumeratedPublicDropIndexes;\n /// @notice The creator payout addresses and basis points.\n CreatorPayout[] _creatorPayouts;\n /// @notice The allow list merkle root.\n bytes32 _allowListMerkleRoot;\n /// @notice The allowed fee recipients.\n mapping(address => bool) _allowedFeeRecipients;\n /// @notice The enumerated allowed fee recipients.\n address[] _enumeratedFeeRecipients;\n /// @notice The allowed server-side signers.\n mapping(address => bool) _allowedSigners;\n /// @notice The enumerated allowed signers.\n address[] _enumeratedSigners;\n /// @notice The used signature digests.\n mapping(bytes32 => bool) _usedDigests;\n /// @notice The allowed payers.\n mapping(address => bool) _allowedPayers;\n /// @notice The enumerated allowed payers.\n address[] _enumeratedPayers;\n }\n\n bytes32 internal constant STORAGE_SLOT =\n bytes32(\n uint256(\n keccak256(\"contracts.storage.ERC1155SeaDropContractOfferer\")\n ) - 1\n );\n\n function layout() internal pure returns (Layout storage l) {\n bytes32 slot = STORAGE_SLOT;\n assembly {\n l.slot := slot\n }\n }\n}\n"
},
"src/lib/ERC1155SeaDropErrorsAndEvents.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { PublicDrop } from \"./ERC1155SeaDropStructs.sol\";\n\nimport { SeaDropErrorsAndEvents } from \"./SeaDropErrorsAndEvents.sol\";\n\ninterface ERC1155SeaDropErrorsAndEvents is SeaDropErrorsAndEvents {\n /**\n * @dev Revert with an error if an empty PublicDrop is provided\n * for an already-empty public drop.\n */\n error PublicDropStageNotPresent();\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the\n * max minted per wallet for a certain token id.\n */\n error MintQuantityExceedsMaxMintedPerWalletForTokenId(\n uint256 tokenId,\n uint256 total,\n uint256 allowed\n );\n\n /**\n * @dev Revert with an error if the target token id to mint is not within\n * the drop stage range.\n */\n error TokenIdNotWithinDropStageRange(\n uint256 tokenId,\n uint256 startTokenId,\n uint256 endTokenId\n );\n\n /**\n * @notice Revert with an error if the number of maxSupplyAmounts doesn't\n * match the number of maxSupplyTokenIds.\n */\n error MaxSupplyMismatch();\n\n /**\n * @notice Revert with an error if the number of mint tokenIds doesn't\n * match the number of mint amounts.\n */\n error MintAmountsMismatch();\n\n /**\n * @notice Revert with an error if the mint order offer contains\n * a duplicate tokenId.\n */\n error OfferContainsDuplicateTokenId(uint256 tokenId);\n\n /**\n * @dev Revert if the fromTokenId is greater than the toTokenId.\n */\n error InvalidFromAndToTokenId(uint256 fromTokenId, uint256 toTokenId);\n\n /**\n * @notice Revert with an error if the number of publicDropIndexes doesn't\n * match the number of publicDrops.\n */\n error PublicDropsMismatch();\n\n /**\n * @dev An event with updated public drop data.\n */\n event PublicDropUpdated(PublicDrop publicDrop, uint256 index);\n}\n"
},
"src/lib/ERC1155SeaDropStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { AllowListData, CreatorPayout } from \"./SeaDropStructs.sol\";\n\n/**\n * @notice A struct defining public drop data.\n * Designed to fit efficiently in two storage slots.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n * @param paymentToken The payment token address. Null for\n * native token.\n * @param fromTokenId The start token id for the stage.\n * @param toTokenId The end token id for the stage.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed. (The limit for this field is\n * 2^16 - 1)\n * @param maxTotalMintableByWalletPerToken Maximum total number of mints a user\n * is allowed for the token id. (The limit for\n * this field is 2^16 - 1)\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n */\nstruct PublicDrop {\n // slot 1\n uint80 startPrice; // 80/512 bits\n uint80 endPrice; // 160/512 bits\n uint40 startTime; // 200/512 bits\n uint40 endTime; // 240/512 bits\n bool restrictFeeRecipients; // 248/512 bits\n // uint8 unused;\n\n // slot 2\n address paymentToken; // 408/512 bits\n uint24 fromTokenId; // 432/512 bits\n uint24 toTokenId; // 456/512 bits\n uint16 maxTotalMintableByWallet; // 472/512 bits\n uint16 maxTotalMintableByWalletPerToken; // 488/512 bits\n uint16 feeBps; // 504/512 bits\n}\n\n/**\n * @notice A struct defining mint params for an allow list.\n * An allow list leaf will be composed of `msg.sender` and\n * the following params.\n *\n * Note: Since feeBps is encoded in the leaf, backend should ensure\n * that feeBps is acceptable before generating a proof.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param paymentToken The payment token for the mint. Null for\n * native token.\n * @param fromTokenId The start token id for the stage.\n * @param toTokenId The end token id for the stage.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed.\n * @param maxTotalMintableByWalletPerToken Maximum total number of mints a user\n * is allowed for the token id.\n * @param maxTokenSupplyForStage The limit of token supply this stage can\n * mint within.\n * @param dropStageIndex The drop stage index to emit with the event\n * for analytical purposes. This should be\n * non-zero since the public mint emits with\n * index zero.\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct MintParams {\n uint256 startPrice;\n uint256 endPrice;\n uint256 startTime;\n uint256 endTime;\n address paymentToken;\n uint256 fromTokenId;\n uint256 toTokenId;\n uint256 maxTotalMintableByWallet;\n uint256 maxTotalMintableByWalletPerToken;\n uint256 maxTokenSupplyForStage;\n uint256 dropStageIndex; // non-zero\n uint256 feeBps;\n bool restrictFeeRecipients;\n}\n\n/**\n * @dev Struct containing internal SeaDrop implementation logic\n * mint details to avoid stack too deep.\n *\n * @param feeRecipient The fee recipient.\n * @param payer The payer of the mint.\n * @param minter The mint recipient.\n * @param tokenIds The tokenIds to mint.\n * @param quantities The number of tokens to mint per tokenId.\n * @param withEffects Whether to apply state changes of the mint.\n */\nstruct MintDetails {\n address feeRecipient;\n address payer;\n address minter;\n uint256[] tokenIds;\n uint256[] quantities;\n bool withEffects;\n}\n\n/**\n * @notice A struct to configure multiple contract options in one transaction.\n */\nstruct MultiConfigureStruct {\n uint256[] maxSupplyTokenIds;\n uint256[] maxSupplyAmounts;\n string baseURI;\n string contractURI;\n PublicDrop[] publicDrops;\n uint256[] publicDropsIndexes;\n string dropURI;\n AllowListData allowListData;\n CreatorPayout[] creatorPayouts;\n bytes32 provenanceHash;\n address[] allowedFeeRecipients;\n address[] disallowedFeeRecipients;\n address[] allowedPayers;\n address[] disallowedPayers;\n // Server-signed\n address[] allowedSigners;\n address[] disallowedSigners;\n // ERC-2981\n address royaltyReceiver;\n uint96 royaltyBps;\n // Mint\n address mintRecipient;\n uint256[] mintTokenIds;\n uint256[] mintAmounts;\n}\n"
},
"src/lib/SeaDropStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\n/**\n * @notice A struct defining a creator payout address and basis points.\n *\n * @param payoutAddress The payout address.\n * @param basisPoints The basis points to pay out to the creator.\n * The total creator payouts must equal 10_000 bps.\n */\nstruct CreatorPayout {\n address payoutAddress;\n uint16 basisPoints;\n}\n\n/**\n * @notice A struct defining allow list data (for minting an allow list).\n *\n * @param merkleRoot The merkle root for the allow list.\n * @param publicKeyURIs If the allowListURI is encrypted, a list of URIs\n * pointing to the public keys. Empty if unencrypted.\n * @param allowListURI The URI for the allow list.\n */\nstruct AllowListData {\n bytes32 merkleRoot;\n string[] publicKeyURIs;\n string allowListURI;\n}\n"
},
"src/lib/ERC1155ConduitPreapproved.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { ERC1155 } from \"solady/src/tokens/ERC1155.sol\";\n\n/**\n * @title ERC1155ConduitPreapproved\n * @notice Solady's ERC1155 with the OpenSea conduit preapproved.\n */\nabstract contract ERC1155ConduitPreapproved is ERC1155 {\n /// @dev The canonical OpenSea conduit.\n address internal constant _CONDUIT =\n 0x1E0049783F008A0085193E00003D00cd54003c71;\n\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) public virtual override {\n _safeTransfer(_by(), from, to, id, amount, data);\n }\n\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) public virtual override {\n _safeBatchTransfer(_by(), from, to, ids, amounts, data);\n }\n\n function isApprovedForAll(\n address owner,\n address operator\n ) public view virtual override returns (bool) {\n if (operator == _CONDUIT) return true;\n return ERC1155.isApprovedForAll(owner, operator);\n }\n\n function _by() internal view returns (address result) {\n assembly {\n // `msg.sender == _CONDUIT ? address(0) : msg.sender`.\n result := mul(iszero(eq(caller(), _CONDUIT)), caller())\n }\n }\n}\n"
},
"lib/solady/src/tokens/ERC1155.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\n/// @notice Simple ERC1155 implementation.\n/// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC1155.sol)\n/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)\n/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/tree/master/contracts/token/ERC1155/ERC1155.sol)\n///\n/// @dev Note:\n/// The ERC1155 standard allows for self-approvals.\n/// For performance, this implementation WILL NOT revert for such actions.\n/// Please add any checks with overrides if desired.\nabstract contract ERC1155 {\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* CUSTOM ERRORS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The lengths of the input arrays are not the same.\n error ArrayLengthsMismatch();\n\n /// @dev Cannot mint or transfer to the zero address.\n error TransferToZeroAddress();\n\n /// @dev The recipient's balance has overflowed.\n error AccountBalanceOverflow();\n\n /// @dev Insufficient balance.\n error InsufficientBalance();\n\n /// @dev Only the token owner or an approved account can manage the tokens.\n error NotOwnerNorApproved();\n\n /// @dev Cannot safely transfer to a contract that does not implement\n /// the ERC1155Receiver interface.\n error TransferToNonERC1155ReceiverImplementer();\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* EVENTS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Emitted when `amount` of token `id` is transferred\n /// from `from` to `to` by `operator`.\n event TransferSingle(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256 id,\n uint256 amount\n );\n\n /// @dev Emitted when `amounts` of token `ids` are transferred\n /// from `from` to `to` by `operator`.\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] amounts\n );\n\n /// @dev Emitted when `owner` enables or disables `operator` to manage all of their tokens.\n event ApprovalForAll(address indexed owner, address indexed operator, bool isApproved);\n\n /// @dev Emitted when the Uniform Resource Identifier (URI) for token `id`\n /// is updated to `value`. This event is not used in the base contract.\n /// You may need to emit this event depending on your URI logic.\n ///\n /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata\n event URI(string value, uint256 indexed id);\n\n /// @dev `keccak256(bytes(\"TransferSingle(address,address,address,uint256,uint256)\"))`.\n uint256 private constant _TRANSFER_SINGLE_EVENT_SIGNATURE =\n 0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62;\n\n /// @dev `keccak256(bytes(\"TransferBatch(address,address,address,uint256[],uint256[])\"))`.\n uint256 private constant _TRANSFER_BATCH_EVENT_SIGNATURE =\n 0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb;\n\n /// @dev `keccak256(bytes(\"ApprovalForAll(address,address,bool)\"))`.\n uint256 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE =\n 0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* STORAGE */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The `ownerSlotSeed` of a given owner is given by.\n /// ```\n /// let ownerSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner))\n /// ```\n ///\n /// The balance slot of `owner` is given by.\n /// ```\n /// mstore(0x20, ownerSlotSeed)\n /// mstore(0x00, id)\n /// let balanceSlot := keccak256(0x00, 0x40)\n /// ```\n ///\n /// The operator approval slot of `owner` is given by.\n /// ```\n /// mstore(0x20, ownerSlotSeed)\n /// mstore(0x00, operator)\n /// let operatorApprovalSlot := keccak256(0x0c, 0x34)\n /// ```\n uint256 private constant _ERC1155_MASTER_SLOT_SEED = 0x9a31110384e0b0c9;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* ERC1155 METADATA */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Returns the URI for token `id`.\n ///\n /// You can either return the same templated URI for all token IDs,\n /// (e.g. \"https://example.com/api/{id}.json\"),\n /// or return a unique URI for each `id`.\n ///\n /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata\n function uri(uint256 id) public view virtual returns (string memory);\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* ERC1155 */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Returns the amount of `id` owned by `owner`.\n function balanceOf(address owner, uint256 id) public view virtual returns (uint256 result) {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, owner)\n mstore(0x00, id)\n result := sload(keccak256(0x00, 0x40))\n }\n }\n\n /// @dev Returns whether `operator` is approved to manage the tokens of `owner`.\n function isApprovedForAll(address owner, address operator)\n public\n view\n virtual\n returns (bool result)\n {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, owner)\n mstore(0x00, operator)\n result := sload(keccak256(0x0c, 0x34))\n }\n }\n\n /// @dev Sets whether `operator` is approved to manage the tokens of the caller.\n ///\n /// Emits a {ApprovalForAll} event.\n function setApprovalForAll(address operator, bool isApproved) public virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Convert to 0 or 1.\n isApproved := iszero(iszero(isApproved))\n // Update the `isApproved` for (`msg.sender`, `operator`).\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, caller())\n mstore(0x00, operator)\n sstore(keccak256(0x0c, 0x34), isApproved)\n // Emit the {ApprovalForAll} event.\n mstore(0x00, isApproved)\n // forgefmt: disable-next-line\n log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), shr(96, shl(96, operator)))\n }\n }\n\n /// @dev Transfers `amount` of `id` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `from` must have at least `amount` of `id`.\n /// - If the caller is not `from`,\n /// it must be approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.\n ///\n /// Emits a {Transfer} event.\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) public virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))\n let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))\n mstore(0x20, fromSlotSeed)\n // Clear the upper 96 bits.\n from := shr(96, fromSlotSeed)\n to := shr(96, toSlotSeed)\n // Revert if `to` is the zero address.\n if iszero(to) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // If the caller is not `from`, do the authorization check.\n if iszero(eq(caller(), from)) {\n mstore(0x00, caller())\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x00, id)\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, toSlotSeed)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n // Emit a {TransferSingle} event.\n mstore(0x20, amount)\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, to)\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n // Do the {onERC1155Received} check if `to` is a smart contract.\n if extcodesize(to) {\n // Prepare the calldata.\n let m := mload(0x40)\n // `onERC1155Received(address,address,uint256,uint256,bytes)`.\n mstore(m, 0xf23a6e61)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), from)\n mstore(add(m, 0x60), id)\n mstore(add(m, 0x80), amount)\n mstore(add(m, 0xa0), 0xa0)\n calldatacopy(add(m, 0xc0), sub(data.offset, 0x20), add(0x20, data.length))\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, data.length), m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xf23a6e61))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n }\n\n /// @dev Transfers `amounts` of `ids` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `from` must have at least `amount` of `id`.\n /// - `ids` and `amounts` must have the same length.\n /// - If the caller is not `from`,\n /// it must be approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.\n ///\n /// Emits a {TransferBatch} event.\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) public virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(ids.length, amounts.length)) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))\n let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))\n mstore(0x20, fromSlotSeed)\n // Clear the upper 96 bits.\n from := shr(96, fromSlotSeed)\n to := shr(96, toSlotSeed)\n // Revert if `to` is the zero address.\n if iszero(to) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // If the caller is not `from`, do the authorization check.\n if iszero(eq(caller(), from)) {\n mstore(0x00, caller())\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Loop through all the `ids` and update the balances.\n {\n let end := shl(5, ids.length)\n for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {\n let amount := calldataload(add(amounts.offset, i))\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x20, fromSlotSeed)\n mstore(0x00, calldataload(add(ids.offset, i)))\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, toSlotSeed)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, ids.length))\n let o := add(m, 0x40)\n calldatacopy(o, sub(ids.offset, 0x20), n)\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, n))\n o := add(o, n)\n n := add(0x20, shl(5, amounts.length))\n calldatacopy(o, sub(amounts.offset, 0x20), n)\n n := sub(add(o, n), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, to)\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransferCalldata(from, to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n // Do the {onERC1155BatchReceived} check if `to` is a smart contract.\n if extcodesize(to) {\n let m := mload(0x40)\n // Prepare the calldata.\n // `onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)`.\n mstore(m, 0xbc197c81)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), from)\n // Copy the `ids`.\n mstore(add(m, 0x60), 0xa0)\n let n := add(0x20, shl(5, ids.length))\n let o := add(m, 0xc0)\n calldatacopy(o, sub(ids.offset, 0x20), n)\n // Copy the `amounts`.\n let s := add(0xa0, n)\n mstore(add(m, 0x80), s)\n o := add(o, n)\n n := add(0x20, shl(5, amounts.length))\n calldatacopy(o, sub(amounts.offset, 0x20), n)\n // Copy the `data`.\n mstore(add(m, 0xa0), add(s, n))\n o := add(o, n)\n n := add(0x20, data.length)\n calldatacopy(o, sub(data.offset, 0x20), n)\n n := sub(add(o, n), add(m, 0x1c))\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xbc197c81))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n }\n\n /// @dev Returns the amounts of `ids` for `owners.\n ///\n /// Requirements:\n /// - `owners` and `ids` must have the same length.\n function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)\n public\n view\n virtual\n returns (uint256[] memory balances)\n {\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(ids.length, owners.length)) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n balances := mload(0x40)\n mstore(balances, ids.length)\n let o := add(balances, 0x20)\n let end := shl(5, ids.length)\n mstore(0x40, add(end, o))\n // Loop through all the `ids` and load the balances.\n for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {\n let owner := calldataload(add(owners.offset, i))\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)))\n mstore(0x00, calldataload(add(ids.offset, i)))\n mstore(add(o, i), sload(keccak256(0x00, 0x40)))\n }\n }\n }\n\n /// @dev Returns true if this contract implements the interface defined by `interfaceId`.\n /// See: https://eips.ethereum.org/EIPS/eip-165\n /// This function call must use less than 30000 gas.\n function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {\n /// @solidity memory-safe-assembly\n assembly {\n let s := shr(224, interfaceId)\n // ERC165: 0x01ffc9a7, ERC1155: 0xd9b67a26, ERC1155MetadataURI: 0x0e89341c.\n result := or(or(eq(s, 0x01ffc9a7), eq(s, 0xd9b67a26)), eq(s, 0x0e89341c))\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL MINT FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Mints `amount` of `id` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.\n ///\n /// Emits a {Transfer} event.\n function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(address(0), to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, to)\n mstore(0x00, id)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n // Emit a {TransferSingle} event.\n mstore(0x00, id)\n mstore(0x20, amount)\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), 0, shr(96, to_))\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(address(0), to, _single(id), _single(amount), data);\n }\n if (_hasCode(to)) _checkOnERC1155Received(address(0), to, id, amount, data);\n }\n\n /// @dev Mints `amounts` of `ids` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `ids` and `amounts` must have the same length.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.\n ///\n /// Emits a {TransferBatch} event.\n function _batchMint(\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(address(0), to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(mload(ids), mload(amounts))) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // Loop through all the `ids` and update the balances.\n {\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, to_))\n let end := shl(5, mload(ids))\n for { let i := 0 } iszero(eq(i, end)) {} {\n i := add(i, 0x20)\n let amount := mload(add(amounts, i))\n // Increase and store the updated balance of `to`.\n {\n mstore(0x00, mload(add(ids, i)))\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0x40)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n n := sub(add(o, returndatasize()), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), 0, shr(96, to_))\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(address(0), to, ids, amounts, data);\n }\n if (_hasCode(to)) _checkOnERC1155BatchReceived(address(0), to, ids, amounts, data);\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL BURN FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Equivalent to `_burn(address(0), from, id, amount)`.\n function _burn(address from, uint256 id, uint256 amount) internal virtual {\n _burn(address(0), from, id, amount);\n }\n\n /// @dev Destroys `amount` of `id` from `from`.\n ///\n /// Requirements:\n /// - `from` must have at least `amount` of `id`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n ///\n /// Emits a {Transfer} event.\n function _burn(address by, address from, uint256 id, uint256 amount) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, address(0), _single(id), _single(amount), \"\");\n }\n /// @solidity memory-safe-assembly\n assembly {\n let from_ := shl(96, from)\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n if iszero(or(iszero(shl(96, by)), eq(shl(96, by), from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Decrease and store the updated balance of `from`.\n {\n mstore(0x00, id)\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Emit a {TransferSingle} event.\n mstore(0x00, id)\n mstore(0x20, amount)\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), shr(96, from_), 0)\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, address(0), _single(id), _single(amount), \"\");\n }\n }\n\n /// @dev Equivalent to `_batchBurn(address(0), from, ids, amounts)`.\n function _batchBurn(address from, uint256[] memory ids, uint256[] memory amounts)\n internal\n virtual\n {\n _batchBurn(address(0), from, ids, amounts);\n }\n\n /// @dev Destroys `amounts` of `ids` from `from`.\n ///\n /// Requirements:\n /// - `ids` and `amounts` must have the same length.\n /// - `from` must have at least `amounts` of `ids`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n ///\n /// Emits a {TransferBatch} event.\n function _batchBurn(address by, address from, uint256[] memory ids, uint256[] memory amounts)\n internal\n virtual\n {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, address(0), ids, amounts, \"\");\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(mload(ids), mload(amounts))) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let from_ := shl(96, from)\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n let by_ := shl(96, by)\n if iszero(or(iszero(by_), eq(by_, from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Loop through all the `ids` and update the balances.\n {\n let end := shl(5, mload(ids))\n for { let i := 0 } iszero(eq(i, end)) {} {\n i := add(i, 0x20)\n let amount := mload(add(amounts, i))\n // Decrease and store the updated balance of `to`.\n {\n mstore(0x00, mload(add(ids, i)))\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0x40)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n n := sub(add(o, returndatasize()), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), shr(96, from_), 0)\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, address(0), ids, amounts, \"\");\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL APPROVAL FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Approve or remove the `operator` as an operator for `by`,\n /// without authorization checks.\n ///\n /// Emits a {ApprovalForAll} event.\n function _setApprovalForAll(address by, address operator, bool isApproved) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Convert to 0 or 1.\n isApproved := iszero(iszero(isApproved))\n // Update the `isApproved` for (`by`, `operator`).\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, by)\n mstore(0x00, operator)\n sstore(keccak256(0x0c, 0x34), isApproved)\n // Emit the {ApprovalForAll} event.\n mstore(0x00, isApproved)\n let m := shr(96, not(0))\n log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, and(m, by), and(m, operator))\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL TRANSFER FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Equivalent to `_safeTransfer(address(0), from, to, id, amount, data)`.\n function _safeTransfer(address from, address to, uint256 id, uint256 amount, bytes memory data)\n internal\n virtual\n {\n _safeTransfer(address(0), from, to, id, amount, data);\n }\n\n /// @dev Transfers `amount` of `id` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `from` must have at least `amount` of `id`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.\n ///\n /// Emits a {Transfer} event.\n function _safeTransfer(\n address by,\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n let from_ := shl(96, from)\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n let by_ := shl(96, by)\n if iszero(or(iszero(by_), eq(by_, from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x00, id)\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, to_))\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n // Emit a {TransferSingle} event.\n mstore(0x20, amount)\n // forgefmt: disable-next-line\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), shr(96, from_), shr(96, to_))\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n if (_hasCode(to)) _checkOnERC1155Received(from, to, id, amount, data);\n }\n\n /// @dev Equivalent to `_safeBatchTransfer(address(0), from, to, ids, amounts, data)`.\n function _safeBatchTransfer(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n _safeBatchTransfer(address(0), from, to, ids, amounts, data);\n }\n\n /// @dev Transfers `amounts` of `ids` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `ids` and `amounts` must have the same length.\n /// - `from` must have at least `amounts` of `ids`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.\n ///\n /// Emits a {TransferBatch} event.\n function _safeBatchTransfer(\n address by,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(mload(ids), mload(amounts))) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let from_ := shl(96, from)\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, from_)\n let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, to_)\n mstore(0x20, fromSlotSeed)\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n let by_ := shl(96, by)\n if iszero(or(iszero(by_), eq(by_, from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Loop through all the `ids` and update the balances.\n {\n let end := shl(5, mload(ids))\n for { let i := 0 } iszero(eq(i, end)) {} {\n i := add(i, 0x20)\n let amount := mload(add(amounts, i))\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x20, fromSlotSeed)\n mstore(0x00, mload(add(ids, i)))\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, toSlotSeed)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0x40)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n n := sub(add(o, returndatasize()), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), shr(96, from_), shr(96, to_))\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, ids, amounts, data);\n }\n if (_hasCode(to)) _checkOnERC1155BatchReceived(from, to, ids, amounts, data);\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* HOOKS FOR OVERRIDING */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Override this function to return true if `_beforeTokenTransfer` is used.\n /// The is to help the compiler avoid producing dead bytecode.\n function _useBeforeTokenTransfer() internal view virtual returns (bool) {\n return false;\n }\n\n /// @dev Hook that is called before any token transfer.\n /// This includes minting and burning, as well as batched variants.\n ///\n /// The same hook is called on both single and batched variants.\n /// For single transfers, the length of the `id` and `amount` arrays are 1.\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n\n /// @dev Override this function to return true if `_afterTokenTransfer` is used.\n /// The is to help the compiler avoid producing dead bytecode.\n function _useAfterTokenTransfer() internal view virtual returns (bool) {\n return false;\n }\n\n /// @dev Hook that is called after any token transfer.\n /// This includes minting and burning, as well as batched variants.\n ///\n /// The same hook is called on both single and batched variants.\n /// For single transfers, the length of the `id` and `amount` arrays are 1.\n function _afterTokenTransfer(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* PRIVATE HELPERS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Helper for calling the `_afterTokenTransfer` hook.\n /// The is to help the compiler avoid producing dead bytecode.\n function _afterTokenTransferCalldata(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) private {\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, ids, amounts, data);\n }\n }\n\n /// @dev Returns if `a` has bytecode of non-zero length.\n function _hasCode(address a) private view returns (bool result) {\n /// @solidity memory-safe-assembly\n assembly {\n result := extcodesize(a) // Can handle dirty upper bits.\n }\n }\n\n /// @dev Perform a call to invoke {IERC1155Receiver-onERC1155Received} on `to`.\n /// Reverts if the target does not support the function correctly.\n function _checkOnERC1155Received(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) private {\n /// @solidity memory-safe-assembly\n assembly {\n // Prepare the calldata.\n let m := mload(0x40)\n // `onERC1155Received(address,address,uint256,uint256,bytes)`.\n mstore(m, 0xf23a6e61)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), shr(96, shl(96, from)))\n mstore(add(m, 0x60), id)\n mstore(add(m, 0x80), amount)\n mstore(add(m, 0xa0), 0xa0)\n let n := mload(data)\n mstore(add(m, 0xc0), n)\n if n { pop(staticcall(gas(), 4, add(data, 0x20), n, add(m, 0xe0), n)) }\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, n), m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xf23a6e61))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n\n /// @dev Perform a call to invoke {IERC1155Receiver-onERC1155BatchReceived} on `to`.\n /// Reverts if the target does not support the function correctly.\n function _checkOnERC1155BatchReceived(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) private {\n /// @solidity memory-safe-assembly\n assembly {\n // Prepare the calldata.\n let m := mload(0x40)\n // `onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)`.\n mstore(m, 0xbc197c81)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), shr(96, shl(96, from)))\n // Copy the `ids`.\n mstore(add(m, 0x60), 0xa0)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0xc0)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n let s := add(0xa0, returndatasize())\n mstore(add(m, 0x80), s)\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n // Copy the `data`.\n mstore(add(m, 0xa0), add(s, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, mload(data))\n pop(staticcall(gas(), 4, data, n, o, n))\n n := sub(add(o, returndatasize()), add(m, 0x1c))\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xbc197c81))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n\n /// @dev Returns `x` in an array with a single element.\n function _single(uint256 x) private pure returns (uint256[] memory result) {\n assembly {\n result := mload(0x40)\n mstore(0x40, add(result, 0x40))\n mstore(result, 1)\n mstore(add(result, 0x20), x)\n }\n }\n}\n"
},
"lib/seaport/lib/seaport-types/src/lib/ConsiderationStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {\n BasicOrderType,\n ItemType,\n OrderType,\n Side\n} from \"./ConsiderationEnums.sol\";\n\nimport {\n CalldataPointer,\n MemoryPointer\n} from \"../helpers/PointerLibraries.sol\";\n\n/**\n * @dev An order contains eleven components: an offerer, a zone (or account that\n * can cancel the order or restrict who can fulfill the order depending on\n * the type), the order type (specifying partial fill support as well as\n * restricted order status), the start and end time, a hash that will be\n * provided to the zone when validating restricted orders, a salt, a key\n * corresponding to a given conduit, a counter, and an arbitrary number of\n * offer items that can be spent along with consideration items that must\n * be received by their respective recipient.\n */\nstruct OrderComponents {\n address offerer;\n address zone;\n OfferItem[] offer;\n ConsiderationItem[] consideration;\n OrderType orderType;\n uint256 startTime;\n uint256 endTime;\n bytes32 zoneHash;\n uint256 salt;\n bytes32 conduitKey;\n uint256 counter;\n}\n\n/**\n * @dev An offer item has five components: an item type (ETH or other native\n * tokens, ERC20, ERC721, and ERC1155, as well as criteria-based ERC721 and\n * ERC1155), a token address, a dual-purpose \"identifierOrCriteria\"\n * component that will either represent a tokenId or a merkle root\n * depending on the item type, and a start and end amount that support\n * increasing or decreasing amounts over the duration of the respective\n * order.\n */\nstruct OfferItem {\n ItemType itemType;\n address token;\n uint256 identifierOrCriteria;\n uint256 startAmount;\n uint256 endAmount;\n}\n\n/**\n * @dev A consideration item has the same five components as an offer item and\n * an additional sixth component designating the required recipient of the\n * item.\n */\nstruct ConsiderationItem {\n ItemType itemType;\n address token;\n uint256 identifierOrCriteria;\n uint256 startAmount;\n uint256 endAmount;\n address payable recipient;\n}\n\n/**\n * @dev A spent item is translated from a utilized offer item and has four\n * components: an item type (ETH or other native tokens, ERC20, ERC721, and\n * ERC1155), a token address, a tokenId, and an amount.\n */\nstruct SpentItem {\n ItemType itemType;\n address token;\n uint256 identifier;\n uint256 amount;\n}\n\n/**\n * @dev A received item is translated from a utilized consideration item and has\n * the same four components as a spent item, as well as an additional fifth\n * component designating the required recipient of the item.\n */\nstruct ReceivedItem {\n ItemType itemType;\n address token;\n uint256 identifier;\n uint256 amount;\n address payable recipient;\n}\n\n/**\n * @dev For basic orders involving ETH / native / ERC20 <=> ERC721 / ERC1155\n * matching, a group of six functions may be called that only requires a\n * subset of the usual order arguments. Note the use of a \"basicOrderType\"\n * enum; this represents both the usual order type as well as the \"route\"\n * of the basic order (a simple derivation function for the basic order\n * type is `basicOrderType = orderType + (4 * basicOrderRoute)`.)\n */\nstruct BasicOrderParameters {\n // calldata offset\n address considerationToken; // 0x24\n uint256 considerationIdentifier; // 0x44\n uint256 considerationAmount; // 0x64\n address payable offerer; // 0x84\n address zone; // 0xa4\n address offerToken; // 0xc4\n uint256 offerIdentifier; // 0xe4\n uint256 offerAmount; // 0x104\n BasicOrderType basicOrderType; // 0x124\n uint256 startTime; // 0x144\n uint256 endTime; // 0x164\n bytes32 zoneHash; // 0x184\n uint256 salt; // 0x1a4\n bytes32 offererConduitKey; // 0x1c4\n bytes32 fulfillerConduitKey; // 0x1e4\n uint256 totalOriginalAdditionalRecipients; // 0x204\n AdditionalRecipient[] additionalRecipients; // 0x224\n bytes signature; // 0x244\n // Total length, excluding dynamic array data: 0x264 (580)\n}\n\n/**\n * @dev Basic orders can supply any number of additional recipients, with the\n * implied assumption that they are supplied from the offered ETH (or other\n * native token) or ERC20 token for the order.\n */\nstruct AdditionalRecipient {\n uint256 amount;\n address payable recipient;\n}\n\n/**\n * @dev The full set of order components, with the exception of the counter,\n * must be supplied when fulfilling more sophisticated orders or groups of\n * orders. The total number of original consideration items must also be\n * supplied, as the caller may specify additional consideration items.\n */\nstruct OrderParameters {\n address offerer; // 0x00\n address zone; // 0x20\n OfferItem[] offer; // 0x40\n ConsiderationItem[] consideration; // 0x60\n OrderType orderType; // 0x80\n uint256 startTime; // 0xa0\n uint256 endTime; // 0xc0\n bytes32 zoneHash; // 0xe0\n uint256 salt; // 0x100\n bytes32 conduitKey; // 0x120\n uint256 totalOriginalConsiderationItems; // 0x140\n // offer.length // 0x160\n}\n\n/**\n * @dev Orders require a signature in addition to the other order parameters.\n */\nstruct Order {\n OrderParameters parameters;\n bytes signature;\n}\n\n/**\n * @dev Advanced orders include a numerator (i.e. a fraction to attempt to fill)\n * and a denominator (the total size of the order) in addition to the\n * signature and other order parameters. It also supports an optional field\n * for supplying extra data; this data will be provided to the zone if the\n * order type is restricted and the zone is not the caller, or will be\n * provided to the offerer as context for contract order types.\n */\nstruct AdvancedOrder {\n OrderParameters parameters;\n uint120 numerator;\n uint120 denominator;\n bytes signature;\n bytes extraData;\n}\n\n/**\n * @dev Orders can be validated (either explicitly via `validate`, or as a\n * consequence of a full or partial fill), specifically cancelled (they can\n * also be cancelled in bulk via incrementing a per-zone counter), and\n * partially or fully filled (with the fraction filled represented by a\n * numerator and denominator).\n */\nstruct OrderStatus {\n bool isValidated;\n bool isCancelled;\n uint120 numerator;\n uint120 denominator;\n}\n\n/**\n * @dev A criteria resolver specifies an order, side (offer vs. consideration),\n * and item index. It then provides a chosen identifier (i.e. tokenId)\n * alongside a merkle proof demonstrating the identifier meets the required\n * criteria.\n */\nstruct CriteriaResolver {\n uint256 orderIndex;\n Side side;\n uint256 index;\n uint256 identifier;\n bytes32[] criteriaProof;\n}\n\n/**\n * @dev A fulfillment is applied to a group of orders. It decrements a series of\n * offer and consideration items, then generates a single execution\n * element. A given fulfillment can be applied to as many offer and\n * consideration items as desired, but must contain at least one offer and\n * at least one consideration that match. The fulfillment must also remain\n * consistent on all key parameters across all offer items (same offerer,\n * token, type, tokenId, and conduit preference) as well as across all\n * consideration items (token, type, tokenId, and recipient).\n */\nstruct Fulfillment {\n FulfillmentComponent[] offerComponents;\n FulfillmentComponent[] considerationComponents;\n}\n\n/**\n * @dev Each fulfillment component contains one index referencing a specific\n * order and another referencing a specific offer or consideration item.\n */\nstruct FulfillmentComponent {\n uint256 orderIndex;\n uint256 itemIndex;\n}\n\n/**\n * @dev An execution is triggered once all consideration items have been zeroed\n * out. It sends the item in question from the offerer to the item's\n * recipient, optionally sourcing approvals from either this contract\n * directly or from the offerer's chosen conduit if one is specified. An\n * execution is not provided as an argument, but rather is derived via\n * orders, criteria resolvers, and fulfillments (where the total number of\n * executions will be less than or equal to the total number of indicated\n * fulfillments) and returned as part of `matchOrders`.\n */\nstruct Execution {\n ReceivedItem item;\n address offerer;\n bytes32 conduitKey;\n}\n\n/**\n * @dev Restricted orders are validated post-execution by calling validateOrder\n * on the zone. This struct provides context about the order fulfillment\n * and any supplied extraData, as well as all order hashes fulfilled in a\n * call to a match or fulfillAvailable method.\n */\nstruct ZoneParameters {\n bytes32 orderHash;\n address fulfiller;\n address offerer;\n SpentItem[] offer;\n ReceivedItem[] consideration;\n bytes extraData;\n bytes32[] orderHashes;\n uint256 startTime;\n uint256 endTime;\n bytes32 zoneHash;\n}\n\n/**\n * @dev Zones and contract offerers can communicate which schemas they implement\n * along with any associated metadata related to each schema.\n */\nstruct Schema {\n uint256 id;\n bytes metadata;\n}\n\nusing StructPointers for OrderComponents global;\nusing StructPointers for OfferItem global;\nusing StructPointers for ConsiderationItem global;\nusing StructPointers for SpentItem global;\nusing StructPointers for ReceivedItem global;\nusing StructPointers for BasicOrderParameters global;\nusing StructPointers for AdditionalRecipient global;\nusing StructPointers for OrderParameters global;\nusing StructPointers for Order global;\nusing StructPointers for AdvancedOrder global;\nusing StructPointers for OrderStatus global;\nusing StructPointers for CriteriaResolver global;\nusing StructPointers for Fulfillment global;\nusing StructPointers for FulfillmentComponent global;\nusing StructPointers for Execution global;\nusing StructPointers for ZoneParameters global;\n\n/**\n * @dev This library provides a set of functions for converting structs to\n * pointers.\n */\nlibrary StructPointers {\n /**\n * @dev Get a MemoryPointer from OrderComponents.\n *\n * @param obj The OrderComponents object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OrderComponents memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OrderComponents.\n *\n * @param obj The OrderComponents object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OrderComponents calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from OfferItem.\n *\n * @param obj The OfferItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OfferItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OfferItem.\n *\n * @param obj The OfferItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OfferItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from ConsiderationItem.\n *\n * @param obj The ConsiderationItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n ConsiderationItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from ConsiderationItem.\n *\n * @param obj The ConsiderationItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n ConsiderationItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from SpentItem.\n *\n * @param obj The SpentItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n SpentItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from SpentItem.\n *\n * @param obj The SpentItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n SpentItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from ReceivedItem.\n *\n * @param obj The ReceivedItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n ReceivedItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from ReceivedItem.\n *\n * @param obj The ReceivedItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n ReceivedItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from BasicOrderParameters.\n *\n * @param obj The BasicOrderParameters object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n BasicOrderParameters memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from BasicOrderParameters.\n *\n * @param obj The BasicOrderParameters object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n BasicOrderParameters calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from AdditionalRecipient.\n *\n * @param obj The AdditionalRecipient object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n AdditionalRecipient memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from AdditionalRecipient.\n *\n * @param obj The AdditionalRecipient object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n AdditionalRecipient calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from OrderParameters.\n *\n * @param obj The OrderParameters object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OrderParameters memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OrderParameters.\n *\n * @param obj The OrderParameters object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OrderParameters calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from Order.\n *\n * @param obj The Order object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n Order memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from Order.\n *\n * @param obj The Order object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n Order calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from AdvancedOrder.\n *\n * @param obj The AdvancedOrder object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n AdvancedOrder memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from AdvancedOrder.\n *\n * @param obj The AdvancedOrder object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n AdvancedOrder calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from OrderStatus.\n *\n * @param obj The OrderStatus object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OrderStatus memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OrderStatus.\n *\n * @param obj The OrderStatus object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OrderStatus calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from CriteriaResolver.\n *\n * @param obj The CriteriaResolver object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n CriteriaResolver memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from CriteriaResolver.\n *\n * @param obj The CriteriaResolver object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n CriteriaResolver calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from Fulfillment.\n *\n * @param obj The Fulfillment object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n Fulfillment memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from Fulfillment.\n *\n * @param obj The Fulfillment object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n Fulfillment calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from FulfillmentComponent.\n *\n * @param obj The FulfillmentComponent object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n FulfillmentComponent memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from FulfillmentComponent.\n *\n * @param obj The FulfillmentComponent object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n FulfillmentComponent calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from Execution.\n *\n * @param obj The Execution object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n Execution memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from Execution.\n *\n * @param obj The Execution object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n Execution calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from ZoneParameters.\n *\n * @param obj The ZoneParameters object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n ZoneParameters memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from ZoneParameters.\n *\n * @param obj The ZoneParameters object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n ZoneParameters calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n}\n"
},
"lib/seaport/lib/seaport-types/src/interfaces/ContractOffererInterface.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {ReceivedItem, Schema, SpentItem} from \"../lib/ConsiderationStructs.sol\";\nimport {IERC165} from \"../interfaces/IERC165.sol\";\n\n/**\n * @title ContractOffererInterface\n * @notice Contains the minimum interfaces needed to interact with a contract\n * offerer.\n */\ninterface ContractOffererInterface is IERC165 {\n /**\n * @dev Generates an order with the specified minimum and maximum spent\n * items, and optional context (supplied as extraData).\n *\n * @param fulfiller The address of the fulfiller.\n * @param minimumReceived The minimum items that the caller is willing to\n * receive.\n * @param maximumSpent The maximum items the caller is willing to spend.\n * @param context Additional context of the order.\n *\n * @return offer A tuple containing the offer items.\n * @return consideration A tuple containing the consideration items.\n */\n function generateOrder(\n address fulfiller,\n SpentItem[] calldata minimumReceived,\n SpentItem[] calldata maximumSpent,\n bytes calldata context // encoded based on the schemaID\n ) external returns (SpentItem[] memory offer, ReceivedItem[] memory consideration);\n\n /**\n * @dev Ratifies an order with the specified offer, consideration, and\n * optional context (supplied as extraData).\n *\n * @param offer The offer items.\n * @param consideration The consideration items.\n * @param context Additional context of the order.\n * @param orderHashes The hashes to ratify.\n * @param contractNonce The nonce of the contract.\n *\n * @return ratifyOrderMagicValue The magic value returned by the contract\n * offerer.\n */\n function ratifyOrder(\n SpentItem[] calldata offer,\n ReceivedItem[] calldata consideration,\n bytes calldata context, // encoded based on the schemaID\n bytes32[] calldata orderHashes,\n uint256 contractNonce\n ) external returns (bytes4 ratifyOrderMagicValue);\n\n /**\n * @dev View function to preview an order generated in response to a minimum\n * set of received items, maximum set of spent items, and context\n * (supplied as extraData).\n *\n * @param caller The address of the caller (e.g. Seaport).\n * @param fulfiller The address of the fulfiller (e.g. the account\n * calling Seaport).\n * @param minimumReceived The minimum items that the caller is willing to\n * receive.\n * @param maximumSpent The maximum items the caller is willing to spend.\n * @param context Additional context of the order.\n *\n * @return offer A tuple containing the offer items.\n * @return consideration A tuple containing the consideration items.\n */\n function previewOrder(\n address caller,\n address fulfiller,\n SpentItem[] calldata minimumReceived,\n SpentItem[] calldata maximumSpent,\n bytes calldata context // encoded based on the schemaID\n ) external view returns (SpentItem[] memory offer, ReceivedItem[] memory consideration);\n\n /**\n * @dev Gets the metadata for this contract offerer.\n *\n * @return name The name of the contract offerer.\n * @return schemas The schemas supported by the contract offerer.\n */\n function getSeaportMetadata() external view returns (string memory name, Schema[] memory schemas); // map to Seaport Improvement Proposal IDs\n\n function supportsInterface(bytes4 interfaceId) external view override returns (bool);\n\n // Additional functions and/or events based on implemented schemaIDs\n}\n"
},
"lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.19;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"src/interfaces/ISeaDropTokenContractMetadata.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\ninterface ISeaDropTokenContractMetadata {\n /**\n * @dev Emit an event for token metadata reveals/updates,\n * according to EIP-4906.\n *\n * @param _fromTokenId The start token id.\n * @param _toTokenId The end token id.\n */\n event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);\n\n /**\n * @dev Emit an event when the URI for the collection-level metadata\n * is updated.\n */\n event ContractURIUpdated(string newContractURI);\n\n /**\n * @dev Emit an event with the previous and new provenance hash after\n * being updated.\n */\n event ProvenanceHashUpdated(bytes32 previousHash, bytes32 newHash);\n\n /**\n * @dev Emit an event when the EIP-2981 royalty info is updated.\n */\n event RoyaltyInfoUpdated(address receiver, uint256 basisPoints);\n\n /**\n * @notice Throw if the max supply exceeds uint64, a limit\n * due to the storage of bit-packed variables.\n */\n error CannotExceedMaxSupplyOfUint64(uint256 got);\n\n /**\n * @dev Revert with an error when attempting to set the provenance\n * hash after the mint has started.\n */\n error ProvenanceHashCannotBeSetAfterMintStarted();\n\n /**\n * @dev Revert with an error when attempting to set the provenance\n * hash after it has already been set.\n */\n error ProvenanceHashCannotBeSetAfterAlreadyBeingSet();\n\n /**\n * @notice Sets the base URI for the token metadata and emits an event.\n *\n * @param tokenURI The new base URI to set.\n */\n function setBaseURI(string calldata tokenURI) external;\n\n /**\n * @notice Sets the contract URI for contract metadata.\n *\n * @param newContractURI The new contract URI.\n */\n function setContractURI(string calldata newContractURI) external;\n\n /**\n * @notice Sets the provenance hash and emits an event.\n *\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it has not been\n * modified after mint started.\n *\n * This function will revert after the first item has been minted.\n *\n * @param newProvenanceHash The new provenance hash to set.\n */\n function setProvenanceHash(bytes32 newProvenanceHash) external;\n\n /**\n * @notice Sets the default royalty information.\n *\n * Requirements:\n *\n * - `receiver` cannot be the zero address.\n * - `feeNumerator` cannot be greater than the fee denominator of\n * 10_000 basis points.\n */\n function setDefaultRoyalty(address receiver, uint96 feeNumerator) external;\n\n /**\n * @notice Returns the base URI for token metadata.\n */\n function baseURI() external view returns (string memory);\n\n /**\n * @notice Returns the contract URI.\n */\n function contractURI() external view returns (string memory);\n\n /**\n * @notice Returns the provenance hash.\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it is unmodified\n * after mint has started.\n */\n function provenanceHash() external view returns (bytes32);\n}\n"
},
"src/interfaces/IERC1155ContractMetadata.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n ISeaDropTokenContractMetadata\n} from \"./ISeaDropTokenContractMetadata.sol\";\n\ninterface IERC1155ContractMetadata is ISeaDropTokenContractMetadata {\n /**\n * @dev A struct representing the supply info for a token id,\n * packed into one storage slot.\n *\n * @param maxSupply The max supply for the token id.\n * @param totalSupply The total token supply for the token id.\n * Subtracted when an item is burned.\n * @param totalMinted The total number of tokens minted for the token id.\n */\n struct TokenSupply {\n uint64 maxSupply; // 64/256 bits\n uint64 totalSupply; // 128/256 bits\n uint64 totalMinted; // 192/256 bits\n }\n\n /**\n * @dev Emit an event when the max token supply for a token id is updated.\n */\n event MaxSupplyUpdated(uint256 tokenId, uint256 newMaxSupply);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply.\n */\n error MintExceedsMaxSupply(uint256 total, uint256 maxSupply);\n\n /**\n * @notice Sets the max supply for a token id and emits an event.\n *\n * @param tokenId The token id to set the max supply for.\n * @param newMaxSupply The new max supply to set.\n */\n function setMaxSupply(uint256 tokenId, uint256 newMaxSupply) external;\n\n /**\n * @notice Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @notice Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @notice Returns the max token supply for a token id.\n */\n function maxSupply(uint256 tokenId) external view returns (uint256);\n\n /**\n * @notice Returns the total supply for a token id.\n */\n function totalSupply(uint256 tokenId) external view returns (uint256);\n\n /**\n * @notice Returns the total minted for a token id.\n */\n function totalMinted(uint256 tokenId) external view returns (uint256);\n}\n"
},
"lib/solady/src/tokens/ERC2981.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\n/// @notice Simple ERC2981 NFT Royalty Standard implementation.\n/// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC2981.sol)\n/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/common/ERC2981.sol)\nabstract contract ERC2981 {\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* CUSTOM ERRORS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The royalty fee numerator exceeds the fee denominator.\n error RoyaltyOverflow();\n\n /// @dev The royalty receiver cannot be the zero address.\n error RoyaltyReceiverIsZeroAddress();\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* STORAGE */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The default royalty info is given by:\n /// ```\n /// let packed := sload(_ERC2981_MASTER_SLOT_SEED)\n /// let receiver := shr(96, packed)\n /// let royaltyFraction := xor(packed, shl(96, receiver))\n /// ```\n ///\n /// The per token royalty info is given by.\n /// ```\n /// mstore(0x00, tokenId)\n /// mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n /// let packed := sload(keccak256(0x00, 0x40))\n /// let receiver := shr(96, packed)\n /// let royaltyFraction := xor(packed, shl(96, receiver))\n /// ```\n uint256 private constant _ERC2981_MASTER_SLOT_SEED = 0xaa4ec00224afccfdb7;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* ERC2981 */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Checks that `_feeDenominator` is non-zero.\n constructor() {\n require(_feeDenominator() != 0, \"Fee denominator cannot be zero.\");\n }\n\n /// @dev Returns the denominator for the royalty amount.\n /// Defaults to 10000, which represents fees in basis points.\n /// Override this function to return a custom amount if needed.\n function _feeDenominator() internal pure virtual returns (uint96) {\n return 10000;\n }\n\n /// @dev Returns true if this contract implements the interface defined by `interfaceId`.\n /// See: https://eips.ethereum.org/EIPS/eip-165\n /// This function call must use less than 30000 gas.\n function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {\n /// @solidity memory-safe-assembly\n assembly {\n let s := shr(224, interfaceId)\n // ERC165: 0x01ffc9a7, ERC2981: 0x2a55205a.\n result := or(eq(s, 0x01ffc9a7), eq(s, 0x2a55205a))\n }\n }\n\n /// @dev Returns the `receiver` and `royaltyAmount` for `tokenId` sold at `salePrice`.\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n public\n view\n virtual\n returns (address receiver, uint256 royaltyAmount)\n {\n uint256 feeDenominator = _feeDenominator();\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, tokenId)\n mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n let packed := sload(keccak256(0x00, 0x40))\n receiver := shr(96, packed)\n if iszero(receiver) {\n packed := sload(mload(0x20))\n receiver := shr(96, packed)\n }\n let x := salePrice\n let y := xor(packed, shl(96, receiver)) // `feeNumerator`.\n // Overflow check, equivalent to `require(y == 0 || x <= type(uint256).max / y)`.\n // Out-of-gas revert. Should not be triggered in practice, but included for safety.\n returndatacopy(returndatasize(), returndatasize(), mul(y, gt(x, div(not(0), y))))\n royaltyAmount := div(mul(x, y), feeDenominator)\n }\n }\n\n /// @dev Sets the default royalty `receiver` and `feeNumerator`.\n ///\n /// Requirements:\n /// - `receiver` must not be the zero address.\n /// - `feeNumerator` must not be greater than the fee denominator.\n function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {\n uint256 feeDenominator = _feeDenominator();\n /// @solidity memory-safe-assembly\n assembly {\n feeNumerator := shr(160, shl(160, feeNumerator))\n if gt(feeNumerator, feeDenominator) {\n mstore(0x00, 0x350a88b3) // `RoyaltyOverflow()`.\n revert(0x1c, 0x04)\n }\n let packed := shl(96, receiver)\n if iszero(packed) {\n mstore(0x00, 0xb4457eaa) // `RoyaltyReceiverIsZeroAddress()`.\n revert(0x1c, 0x04)\n }\n sstore(_ERC2981_MASTER_SLOT_SEED, or(packed, feeNumerator))\n }\n }\n\n /// @dev Sets the default royalty `receiver` and `feeNumerator` to zero.\n function _deleteDefaultRoyalty() internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n sstore(_ERC2981_MASTER_SLOT_SEED, 0)\n }\n }\n\n /// @dev Sets the royalty `receiver` and `feeNumerator` for `tokenId`.\n ///\n /// Requirements:\n /// - `receiver` must not be the zero address.\n /// - `feeNumerator` must not be greater than the fee denominator.\n function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator)\n internal\n virtual\n {\n uint256 feeDenominator = _feeDenominator();\n /// @solidity memory-safe-assembly\n assembly {\n feeNumerator := shr(160, shl(160, feeNumerator))\n if gt(feeNumerator, feeDenominator) {\n mstore(0x00, 0x350a88b3) // `RoyaltyOverflow()`.\n revert(0x1c, 0x04)\n }\n let packed := shl(96, receiver)\n if iszero(packed) {\n mstore(0x00, 0xb4457eaa) // `RoyaltyReceiverIsZeroAddress()`.\n revert(0x1c, 0x04)\n }\n mstore(0x00, tokenId)\n mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n sstore(keccak256(0x00, 0x40), or(packed, feeNumerator))\n }\n }\n\n /// @dev Sets the royalty `receiver` and `feeNumerator` for `tokenId` to zero.\n function _resetTokenRoyalty(uint256 tokenId) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, tokenId)\n mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n sstore(keccak256(0x00, 0x40), 0)\n }\n }\n}\n"
},
"lib/solady/src/auth/Ownable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\n/// @notice Simple single owner authorization mixin.\n/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)\n/// @dev While the ownable portion follows\n/// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility,\n/// the nomenclature for the 2-step ownership handover may be unique to this codebase.\nabstract contract Ownable {\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* CUSTOM ERRORS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The caller is not authorized to call the function.\n error Unauthorized();\n\n /// @dev The `newOwner` cannot be the zero address.\n error NewOwnerIsZeroAddress();\n\n /// @dev The `pendingOwner` does not have a valid handover request.\n error NoHandoverRequest();\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* EVENTS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The ownership is transferred from `oldOwner` to `newOwner`.\n /// This event is intentionally kept the same as OpenZeppelin's Ownable to be\n /// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173),\n /// despite it not being as lightweight as a single argument event.\n event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);\n\n /// @dev An ownership handover to `pendingOwner` has been requested.\n event OwnershipHandoverRequested(address indexed pendingOwner);\n\n /// @dev The ownership handover to `pendingOwner` has been canceled.\n event OwnershipHandoverCanceled(address indexed pendingOwner);\n\n /// @dev `keccak256(bytes(\"OwnershipTransferred(address,address)\"))`.\n uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE =\n 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0;\n\n /// @dev `keccak256(bytes(\"OwnershipHandoverRequested(address)\"))`.\n uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE =\n 0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d;\n\n /// @dev `keccak256(bytes(\"OwnershipHandoverCanceled(address)\"))`.\n uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE =\n 0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* STORAGE */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The owner slot is given by: `not(_OWNER_SLOT_NOT)`.\n /// It is intentionally chosen to be a high value\n /// to avoid collision with lower slots.\n /// The choice of manual storage layout is to enable compatibility\n /// with both regular and upgradeable contracts.\n uint256 private constant _OWNER_SLOT_NOT = 0x8b78c6d8;\n\n /// The ownership handover slot of `newOwner` is given by:\n /// ```\n /// mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED))\n /// let handoverSlot := keccak256(0x00, 0x20)\n /// ```\n /// It stores the expiry timestamp of the two-step ownership handover.\n uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Initializes the owner directly without authorization guard.\n /// This function must be called upon initialization,\n /// regardless of whether the contract is upgradeable or not.\n /// This is to enable generalization to both regular and upgradeable contracts,\n /// and to save gas in case the initial owner is not the caller.\n /// For performance reasons, this function will not check if there\n /// is an existing owner.\n function _initializeOwner(address newOwner) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Clean the upper 96 bits.\n newOwner := shr(96, shl(96, newOwner))\n // Store the new value.\n sstore(not(_OWNER_SLOT_NOT), newOwner)\n // Emit the {OwnershipTransferred} event.\n log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)\n }\n }\n\n /// @dev Sets the owner directly without authorization guard.\n function _setOwner(address newOwner) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n let ownerSlot := not(_OWNER_SLOT_NOT)\n // Clean the upper 96 bits.\n newOwner := shr(96, shl(96, newOwner))\n // Emit the {OwnershipTransferred} event.\n log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)\n // Store the new value.\n sstore(ownerSlot, newOwner)\n }\n }\n\n /// @dev Throws if the sender is not the owner.\n function _checkOwner() internal view virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // If the caller is not the stored owner, revert.\n if iszero(eq(caller(), sload(not(_OWNER_SLOT_NOT)))) {\n mstore(0x00, 0x82b42900) // `Unauthorized()`.\n revert(0x1c, 0x04)\n }\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* PUBLIC UPDATE FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Allows the owner to transfer the ownership to `newOwner`.\n function transferOwnership(address newOwner) public payable virtual onlyOwner {\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(shl(96, newOwner)) {\n mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`.\n revert(0x1c, 0x04)\n }\n }\n _setOwner(newOwner);\n }\n\n /// @dev Allows the owner to renounce their ownership.\n function renounceOwnership() public payable virtual onlyOwner {\n _setOwner(address(0));\n }\n\n /// @dev Request a two-step ownership handover to the caller.\n /// The request will automatically expire in 48 hours (172800 seconds) by default.\n function requestOwnershipHandover() public payable virtual {\n unchecked {\n uint256 expires = block.timestamp + ownershipHandoverValidFor();\n /// @solidity memory-safe-assembly\n assembly {\n // Compute and set the handover slot to `expires`.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, caller())\n sstore(keccak256(0x0c, 0x20), expires)\n // Emit the {OwnershipHandoverRequested} event.\n log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller())\n }\n }\n }\n\n /// @dev Cancels the two-step ownership handover to the caller, if any.\n function cancelOwnershipHandover() public payable virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Compute and set the handover slot to 0.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, caller())\n sstore(keccak256(0x0c, 0x20), 0)\n // Emit the {OwnershipHandoverCanceled} event.\n log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller())\n }\n }\n\n /// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`.\n /// Reverts if there is no existing ownership handover requested by `pendingOwner`.\n function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner {\n /// @solidity memory-safe-assembly\n assembly {\n // Compute and set the handover slot to 0.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, pendingOwner)\n let handoverSlot := keccak256(0x0c, 0x20)\n // If the handover does not exist, or has expired.\n if gt(timestamp(), sload(handoverSlot)) {\n mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`.\n revert(0x1c, 0x04)\n }\n // Set the handover slot to 0.\n sstore(handoverSlot, 0)\n }\n _setOwner(pendingOwner);\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* PUBLIC READ FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Returns the owner of the contract.\n function owner() public view virtual returns (address result) {\n /// @solidity memory-safe-assembly\n assembly {\n result := sload(not(_OWNER_SLOT_NOT))\n }\n }\n\n /// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`.\n function ownershipHandoverExpiresAt(address pendingOwner)\n public\n view\n virtual\n returns (uint256 result)\n {\n /// @solidity memory-safe-assembly\n assembly {\n // Compute the handover slot.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, pendingOwner)\n // Load the handover slot.\n result := sload(keccak256(0x0c, 0x20))\n }\n }\n\n /// @dev Returns how long a two-step ownership handover is valid for in seconds.\n function ownershipHandoverValidFor() public view virtual returns (uint64) {\n return 48 * 3600;\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* MODIFIERS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Marks a function as only callable by the owner.\n modifier onlyOwner() virtual {\n _checkOwner();\n _;\n }\n}\n"
},
"lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.19;\n\nimport \"../../utils/AddressUpgradeable.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```solidity\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n *\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n */\n uint8 private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint8 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts.\n *\n * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a\n * constructor.\n *\n * Emits an {Initialized} event.\n */\n modifier initializer() {\n bool isTopLevelCall = !_initializing;\n require(\n (isTopLevelCall && _initialized < 1) || (address(this).code.length == 0 && _initialized == 1),\n \"Initializable: contract is already initialized\"\n );\n _initialized = 1;\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * A reinitializer may be used after the original initialization step. This is essential to configure modules that\n * are added through upgrades and that require initialization.\n *\n * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n * cannot be nested. If one is invoked in the context of another, execution will revert.\n *\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n *\n * WARNING: setting the version to 255 will prevent any future reinitialization.\n *\n * Emits an {Initialized} event.\n */\n modifier reinitializer(uint8 version) {\n require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n _initialized = version;\n _initializing = true;\n _;\n _initializing = false;\n emit Initialized(version);\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n */\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n /**\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n *\n * Emits an {Initialized} event the first time it is successfully executed.\n */\n function _disableInitializers() internal virtual {\n require(!_initializing, \"Initializable: contract is initializing\");\n if (_initialized != type(uint8).max) {\n _initialized = type(uint8).max;\n emit Initialized(type(uint8).max);\n }\n }\n\n /**\n * @dev Returns the highest version that has been initialized. See {reinitializer}.\n */\n function _getInitializedVersion() internal view returns (uint8) {\n return _initialized;\n }\n\n /**\n * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.\n */\n function _isInitializing() internal view returns (bool) {\n return _initializing;\n }\n}\n"
},
"src/lib/SeaDropErrorsAndEvents.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { CreatorPayout, PublicDrop } from \"./ERC721SeaDropStructs.sol\";\n\ninterface SeaDropErrorsAndEvents {\n /**\n * @notice The SeaDrop token types, emitted as part of\n * `event SeaDropTokenDeployed`.\n */\n enum SEADROP_TOKEN_TYPE {\n ERC721_STANDARD,\n ERC721_CLONE,\n ERC721_UPGRADEABLE,\n ERC1155_STANDARD,\n ERC1155_CLONE,\n ERC1155_UPGRADEABLE\n }\n\n /**\n * @notice An event to signify that a SeaDrop token contract was deployed.\n */\n event SeaDropTokenDeployed(SEADROP_TOKEN_TYPE tokenType);\n\n /**\n * @notice Revert with an error if the function selector is not supported.\n */\n error UnsupportedFunctionSelector(bytes4 selector);\n\n /**\n * @dev Revert with an error if the drop stage is not active.\n */\n error NotActive(\n uint256 currentTimestamp,\n uint256 startTimestamp,\n uint256 endTimestamp\n );\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max allowed\n * to be minted per wallet.\n */\n error MintQuantityExceedsMaxMintedPerWallet(uint256 total, uint256 allowed);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply.\n */\n error MintQuantityExceedsMaxSupply(uint256 total, uint256 maxSupply);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply for the stage.\n * Note: The `maxTokenSupplyForStage` for public mint is\n * always `type(uint).max`.\n */\n error MintQuantityExceedsMaxTokenSupplyForStage(\n uint256 total,\n uint256 maxTokenSupplyForStage\n );\n\n /**\n * @dev Revert if the fee recipient is the zero address.\n */\n error FeeRecipientCannotBeZeroAddress();\n\n /**\n * @dev Revert if the fee recipient is not already included.\n */\n error FeeRecipientNotPresent();\n\n /**\n * @dev Revert if the fee basis points is greater than 10_000.\n */\n error InvalidFeeBps(uint256 feeBps);\n\n /**\n * @dev Revert if the fee recipient is already included.\n */\n error DuplicateFeeRecipient();\n\n /**\n * @dev Revert if the fee recipient is restricted and not allowed.\n */\n error FeeRecipientNotAllowed(address got);\n\n /**\n * @dev Revert if the creator payout address is the zero address.\n */\n error CreatorPayoutAddressCannotBeZeroAddress();\n\n /**\n * @dev Revert if the creator payouts are not set.\n */\n error CreatorPayoutsNotSet();\n\n /**\n * @dev Revert if the creator payout basis points are zero.\n */\n error CreatorPayoutBasisPointsCannotBeZero();\n\n /**\n * @dev Revert if the total basis points for the creator payouts\n * don't equal exactly 10_000.\n */\n error InvalidCreatorPayoutTotalBasisPoints(\n uint256 totalReceivedBasisPoints\n );\n\n /**\n * @dev Revert if the creator payout basis points don't add up to 10_000.\n */\n error InvalidCreatorPayoutBasisPoints(uint256 totalReceivedBasisPoints);\n\n /**\n * @dev Revert with an error if the allow list proof is invalid.\n */\n error InvalidProof();\n\n /**\n * @dev Revert if a supplied signer address is the zero address.\n */\n error SignerCannotBeZeroAddress();\n\n /**\n * @dev Revert with an error if a signer is not included in\n * the enumeration when removing.\n */\n error SignerNotPresent();\n\n /**\n * @dev Revert with an error if a payer is not included in\n * the enumeration when removing.\n */\n error PayerNotPresent();\n\n /**\n * @dev Revert with an error if a payer is already included in mapping\n * when adding.\n */\n error DuplicatePayer();\n\n /**\n * @dev Revert with an error if a signer is already included in mapping\n * when adding.\n */\n error DuplicateSigner();\n\n /**\n * @dev Revert with an error if the payer is not allowed. The minter must\n * pay for their own mint.\n */\n error PayerNotAllowed(address got);\n\n /**\n * @dev Revert if a supplied payer address is the zero address.\n */\n error PayerCannotBeZeroAddress();\n\n /**\n * @dev Revert if the start time is greater than the end time.\n */\n error InvalidStartAndEndTime(uint256 startTime, uint256 endTime);\n\n /**\n * @dev Revert with an error if the signer payment token is not the same.\n */\n error InvalidSignedPaymentToken(address got, address want);\n\n /**\n * @dev Revert with an error if supplied signed mint price is less than\n * the minimum specified.\n */\n error InvalidSignedMintPrice(\n address paymentToken,\n uint256 got,\n uint256 minimum\n );\n\n /**\n * @dev Revert with an error if supplied signed maxTotalMintableByWallet\n * is greater than the maximum specified.\n */\n error InvalidSignedMaxTotalMintableByWallet(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed\n * maxTotalMintableByWalletPerToken is greater than the maximum\n * specified.\n */\n error InvalidSignedMaxTotalMintableByWalletPerToken(\n uint256 got,\n uint256 maximum\n );\n\n /**\n * @dev Revert with an error if the fromTokenId is not within range.\n */\n error InvalidSignedFromTokenId(uint256 got, uint256 minimum);\n\n /**\n * @dev Revert with an error if the toTokenId is not within range.\n */\n error InvalidSignedToTokenId(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed start time is less than\n * the minimum specified.\n */\n error InvalidSignedStartTime(uint256 got, uint256 minimum);\n\n /**\n * @dev Revert with an error if supplied signed end time is greater than\n * the maximum specified.\n */\n error InvalidSignedEndTime(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed maxTokenSupplyForStage\n * is greater than the maximum specified.\n */\n error InvalidSignedMaxTokenSupplyForStage(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed feeBps is greater than\n * the maximum specified, or less than the minimum.\n */\n error InvalidSignedFeeBps(uint256 got, uint256 minimumOrMaximum);\n\n /**\n * @dev Revert with an error if signed mint did not specify to restrict\n * fee recipients.\n */\n error SignedMintsMustRestrictFeeRecipients();\n\n /**\n * @dev Revert with an error if a signature for a signed mint has already\n * been used.\n */\n error SignatureAlreadyUsed();\n\n /**\n * @dev Revert with an error if the contract has no balance to withdraw.\n */\n error NoBalanceToWithdraw();\n\n /**\n * @dev Revert with an error if the caller is not an allowed Seaport.\n */\n error InvalidCallerOnlyAllowedSeaport(address caller);\n\n /**\n * @dev Revert with an error if the order does not have the ERC1155 magic\n * consideration item to signify a consecutive mint.\n */\n error MustSpecifyERC1155ConsiderationItemForSeaDropMint();\n\n /**\n * @dev Revert with an error if the extra data version is not supported.\n */\n error UnsupportedExtraDataVersion(uint8 version);\n\n /**\n * @dev Revert with an error if the extra data encoding is not supported.\n */\n error InvalidExtraDataEncoding(uint8 version);\n\n /**\n * @dev Revert with an error if the provided substandard is not supported.\n */\n error InvalidSubstandard(uint8 substandard);\n\n /**\n * @dev Revert with an error if the implementation contract is called without\n * delegatecall.\n */\n error OnlyDelegateCalled();\n\n /**\n * @dev Revert with an error if the provided allowed Seaport is the\n * zero address.\n */\n error AllowedSeaportCannotBeZeroAddress();\n\n /**\n * @dev Emit an event when allowed Seaport contracts are updated.\n */\n event AllowedSeaportUpdated(address[] allowedSeaport);\n\n /**\n * @dev An event with details of a SeaDrop mint, for analytical purposes.\n *\n * @param payer The address who payed for the tx.\n * @param dropStageIndex The drop stage index. Items minted through\n * public mint have dropStageIndex of 0\n */\n event SeaDropMint(address payer, uint256 dropStageIndex);\n\n /**\n * @dev An event with updated allow list data.\n *\n * @param previousMerkleRoot The previous allow list merkle root.\n * @param newMerkleRoot The new allow list merkle root.\n * @param publicKeyURI If the allow list is encrypted, the public key\n * URIs that can decrypt the list.\n * Empty if unencrypted.\n * @param allowListURI The URI for the allow list.\n */\n event AllowListUpdated(\n bytes32 indexed previousMerkleRoot,\n bytes32 indexed newMerkleRoot,\n string[] publicKeyURI,\n string allowListURI\n );\n\n /**\n * @dev An event with updated drop URI.\n */\n event DropURIUpdated(string newDropURI);\n\n /**\n * @dev An event with the updated creator payout address.\n */\n event CreatorPayoutsUpdated(CreatorPayout[] creatorPayouts);\n\n /**\n * @dev An event with the updated allowed fee recipient.\n */\n event AllowedFeeRecipientUpdated(\n address indexed feeRecipient,\n bool indexed allowed\n );\n\n /**\n * @dev An event with the updated signer.\n */\n event SignerUpdated(address indexed signer, bool indexed allowed);\n\n /**\n * @dev An event with the updated payer.\n */\n event PayerUpdated(address indexed payer, bool indexed allowed);\n}\n"
},
"lib/seaport/lib/seaport-types/src/lib/ConsiderationEnums.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nenum OrderType {\n // 0: no partial fills, anyone can execute\n FULL_OPEN,\n\n // 1: partial fills supported, anyone can execute\n PARTIAL_OPEN,\n\n // 2: no partial fills, only offerer or zone can execute\n FULL_RESTRICTED,\n\n // 3: partial fills supported, only offerer or zone can execute\n PARTIAL_RESTRICTED,\n\n // 4: contract order type\n CONTRACT\n}\n\nenum BasicOrderType {\n // 0: no partial fills, anyone can execute\n ETH_TO_ERC721_FULL_OPEN,\n\n // 1: partial fills supported, anyone can execute\n ETH_TO_ERC721_PARTIAL_OPEN,\n\n // 2: no partial fills, only offerer or zone can execute\n ETH_TO_ERC721_FULL_RESTRICTED,\n\n // 3: partial fills supported, only offerer or zone can execute\n ETH_TO_ERC721_PARTIAL_RESTRICTED,\n\n // 4: no partial fills, anyone can execute\n ETH_TO_ERC1155_FULL_OPEN,\n\n // 5: partial fills supported, anyone can execute\n ETH_TO_ERC1155_PARTIAL_OPEN,\n\n // 6: no partial fills, only offerer or zone can execute\n ETH_TO_ERC1155_FULL_RESTRICTED,\n\n // 7: partial fills supported, only offerer or zone can execute\n ETH_TO_ERC1155_PARTIAL_RESTRICTED,\n\n // 8: no partial fills, anyone can execute\n ERC20_TO_ERC721_FULL_OPEN,\n\n // 9: partial fills supported, anyone can execute\n ERC20_TO_ERC721_PARTIAL_OPEN,\n\n // 10: no partial fills, only offerer or zone can execute\n ERC20_TO_ERC721_FULL_RESTRICTED,\n\n // 11: partial fills supported, only offerer or zone can execute\n ERC20_TO_ERC721_PARTIAL_RESTRICTED,\n\n // 12: no partial fills, anyone can execute\n ERC20_TO_ERC1155_FULL_OPEN,\n\n // 13: partial fills supported, anyone can execute\n ERC20_TO_ERC1155_PARTIAL_OPEN,\n\n // 14: no partial fills, only offerer or zone can execute\n ERC20_TO_ERC1155_FULL_RESTRICTED,\n\n // 15: partial fills supported, only offerer or zone can execute\n ERC20_TO_ERC1155_PARTIAL_RESTRICTED,\n\n // 16: no partial fills, anyone can execute\n ERC721_TO_ERC20_FULL_OPEN,\n\n // 17: partial fills supported, anyone can execute\n ERC721_TO_ERC20_PARTIAL_OPEN,\n\n // 18: no partial fills, only offerer or zone can execute\n ERC721_TO_ERC20_FULL_RESTRICTED,\n\n // 19: partial fills supported, only offerer or zone can execute\n ERC721_TO_ERC20_PARTIAL_RESTRICTED,\n\n // 20: no partial fills, anyone can execute\n ERC1155_TO_ERC20_FULL_OPEN,\n\n // 21: partial fills supported, anyone can execute\n ERC1155_TO_ERC20_PARTIAL_OPEN,\n\n // 22: no partial fills, only offerer or zone can execute\n ERC1155_TO_ERC20_FULL_RESTRICTED,\n\n // 23: partial fills supported, only offerer or zone can execute\n ERC1155_TO_ERC20_PARTIAL_RESTRICTED\n}\n\nenum BasicOrderRouteType {\n // 0: provide Ether (or other native token) to receive offered ERC721 item.\n ETH_TO_ERC721,\n\n // 1: provide Ether (or other native token) to receive offered ERC1155 item.\n ETH_TO_ERC1155,\n\n // 2: provide ERC20 item to receive offered ERC721 item.\n ERC20_TO_ERC721,\n\n // 3: provide ERC20 item to receive offered ERC1155 item.\n ERC20_TO_ERC1155,\n\n // 4: provide ERC721 item to receive offered ERC20 item.\n ERC721_TO_ERC20,\n\n // 5: provide ERC1155 item to receive offered ERC20 item.\n ERC1155_TO_ERC20\n}\n\nenum ItemType {\n // 0: ETH on mainnet, MATIC on polygon, etc.\n NATIVE,\n\n // 1: ERC20 items (ERC777 and ERC20 analogues could also technically work)\n ERC20,\n\n // 2: ERC721 items\n ERC721,\n\n // 3: ERC1155 items\n ERC1155,\n\n // 4: ERC721 items where a number of tokenIds are supported\n ERC721_WITH_CRITERIA,\n\n // 5: ERC1155 items where a number of ids are supported\n ERC1155_WITH_CRITERIA\n}\n\nenum Side {\n // 0: Items that can be spent\n OFFER,\n\n // 1: Items that must be received\n CONSIDERATION\n}\n"
},
"lib/seaport/lib/seaport-types/src/helpers/PointerLibraries.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\ntype CalldataPointer is uint256;\n\ntype ReturndataPointer is uint256;\n\ntype MemoryPointer is uint256;\n\nusing CalldataPointerLib for CalldataPointer global;\nusing MemoryPointerLib for MemoryPointer global;\nusing ReturndataPointerLib for ReturndataPointer global;\n\nusing CalldataReaders for CalldataPointer global;\nusing ReturndataReaders for ReturndataPointer global;\nusing MemoryReaders for MemoryPointer global;\nusing MemoryWriters for MemoryPointer global;\n\nCalldataPointer constant CalldataStart = CalldataPointer.wrap(0x04);\nMemoryPointer constant FreeMemoryPPtr = MemoryPointer.wrap(0x40);\nuint256 constant IdentityPrecompileAddress = 0x4;\nuint256 constant OffsetOrLengthMask = 0xffffffff;\nuint256 constant _OneWord = 0x20;\nuint256 constant _FreeMemoryPointerSlot = 0x40;\n\n/// @dev Allocates `size` bytes in memory by increasing the free memory pointer\n/// and returns the memory pointer to the first byte of the allocated region.\n// (Free functions cannot have visibility.)\n// solhint-disable-next-line func-visibility\nfunction malloc(uint256 size) pure returns (MemoryPointer mPtr) {\n assembly {\n mPtr := mload(_FreeMemoryPointerSlot)\n mstore(_FreeMemoryPointerSlot, add(mPtr, size))\n }\n}\n\n// (Free functions cannot have visibility.)\n// solhint-disable-next-line func-visibility\nfunction getFreeMemoryPointer() pure returns (MemoryPointer mPtr) {\n mPtr = FreeMemoryPPtr.readMemoryPointer();\n}\n\n// (Free functions cannot have visibility.)\n// solhint-disable-next-line func-visibility\nfunction setFreeMemoryPointer(MemoryPointer mPtr) pure {\n FreeMemoryPPtr.write(mPtr);\n}\n\nlibrary CalldataPointerLib {\n function lt(\n CalldataPointer a,\n CalldataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := lt(a, b)\n }\n }\n\n function gt(\n CalldataPointer a,\n CalldataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := gt(a, b)\n }\n }\n\n function eq(\n CalldataPointer a,\n CalldataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := eq(a, b)\n }\n }\n\n function isNull(CalldataPointer a) internal pure returns (bool b) {\n assembly {\n b := iszero(a)\n }\n }\n\n /// @dev Resolves an offset stored at `cdPtr + headOffset` to a calldata.\n /// pointer `cdPtr` must point to some parent object with a dynamic\n /// type's head stored at `cdPtr + headOffset`.\n function pptr(\n CalldataPointer cdPtr,\n uint256 headOffset\n ) internal pure returns (CalldataPointer cdPtrChild) {\n cdPtrChild = cdPtr.offset(\n cdPtr.offset(headOffset).readUint256() & OffsetOrLengthMask\n );\n }\n\n /// @dev Resolves an offset stored at `cdPtr` to a calldata pointer.\n /// `cdPtr` must point to some parent object with a dynamic type as its\n /// first member, e.g. `struct { bytes data; }`\n function pptr(\n CalldataPointer cdPtr\n ) internal pure returns (CalldataPointer cdPtrChild) {\n cdPtrChild = cdPtr.offset(cdPtr.readUint256() & OffsetOrLengthMask);\n }\n\n /// @dev Returns the calldata pointer one word after `cdPtr`.\n function next(\n CalldataPointer cdPtr\n ) internal pure returns (CalldataPointer cdPtrNext) {\n assembly {\n cdPtrNext := add(cdPtr, _OneWord)\n }\n }\n\n /// @dev Returns the calldata pointer `_offset` bytes after `cdPtr`.\n function offset(\n CalldataPointer cdPtr,\n uint256 _offset\n ) internal pure returns (CalldataPointer cdPtrNext) {\n assembly {\n cdPtrNext := add(cdPtr, _offset)\n }\n }\n\n /// @dev Copies `size` bytes from calldata starting at `src` to memory at\n /// `dst`.\n function copy(\n CalldataPointer src,\n MemoryPointer dst,\n uint256 size\n ) internal pure {\n assembly {\n calldatacopy(dst, src, size)\n }\n }\n}\n\nlibrary ReturndataPointerLib {\n function lt(\n ReturndataPointer a,\n ReturndataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := lt(a, b)\n }\n }\n\n function gt(\n ReturndataPointer a,\n ReturndataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := gt(a, b)\n }\n }\n\n function eq(\n ReturndataPointer a,\n ReturndataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := eq(a, b)\n }\n }\n\n function isNull(ReturndataPointer a) internal pure returns (bool b) {\n assembly {\n b := iszero(a)\n }\n }\n\n /// @dev Resolves an offset stored at `rdPtr + headOffset` to a returndata\n /// pointer. `rdPtr` must point to some parent object with a dynamic\n /// type's head stored at `rdPtr + headOffset`.\n function pptr(\n ReturndataPointer rdPtr,\n uint256 headOffset\n ) internal pure returns (ReturndataPointer rdPtrChild) {\n rdPtrChild = rdPtr.offset(\n rdPtr.offset(headOffset).readUint256() & OffsetOrLengthMask\n );\n }\n\n /// @dev Resolves an offset stored at `rdPtr` to a returndata pointer.\n /// `rdPtr` must point to some parent object with a dynamic type as its\n /// first member, e.g. `struct { bytes data; }`\n function pptr(\n ReturndataPointer rdPtr\n ) internal pure returns (ReturndataPointer rdPtrChild) {\n rdPtrChild = rdPtr.offset(rdPtr.readUint256() & OffsetOrLengthMask);\n }\n\n /// @dev Returns the returndata pointer one word after `cdPtr`.\n function next(\n ReturndataPointer rdPtr\n ) internal pure returns (ReturndataPointer rdPtrNext) {\n assembly {\n rdPtrNext := add(rdPtr, _OneWord)\n }\n }\n\n /// @dev Returns the returndata pointer `_offset` bytes after `cdPtr`.\n function offset(\n ReturndataPointer rdPtr,\n uint256 _offset\n ) internal pure returns (ReturndataPointer rdPtrNext) {\n assembly {\n rdPtrNext := add(rdPtr, _offset)\n }\n }\n\n /// @dev Copies `size` bytes from returndata starting at `src` to memory at\n /// `dst`.\n function copy(\n ReturndataPointer src,\n MemoryPointer dst,\n uint256 size\n ) internal pure {\n assembly {\n returndatacopy(dst, src, size)\n }\n }\n}\n\nlibrary MemoryPointerLib {\n function copy(\n MemoryPointer src,\n MemoryPointer dst,\n uint256 size\n ) internal view {\n assembly {\n let success := staticcall(\n gas(),\n IdentityPrecompileAddress,\n src,\n size,\n dst,\n size\n )\n if or(iszero(returndatasize()), iszero(success)) {\n revert(0, 0)\n }\n }\n }\n\n function lt(\n MemoryPointer a,\n MemoryPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := lt(a, b)\n }\n }\n\n function gt(\n MemoryPointer a,\n MemoryPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := gt(a, b)\n }\n }\n\n function eq(\n MemoryPointer a,\n MemoryPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := eq(a, b)\n }\n }\n\n function isNull(MemoryPointer a) internal pure returns (bool b) {\n assembly {\n b := iszero(a)\n }\n }\n\n function hash(\n MemoryPointer ptr,\n uint256 length\n ) internal pure returns (bytes32 _hash) {\n assembly {\n _hash := keccak256(ptr, length)\n }\n }\n\n /// @dev Returns the memory pointer one word after `mPtr`.\n function next(\n MemoryPointer mPtr\n ) internal pure returns (MemoryPointer mPtrNext) {\n assembly {\n mPtrNext := add(mPtr, _OneWord)\n }\n }\n\n /// @dev Returns the memory pointer `_offset` bytes after `mPtr`.\n function offset(\n MemoryPointer mPtr,\n uint256 _offset\n ) internal pure returns (MemoryPointer mPtrNext) {\n assembly {\n mPtrNext := add(mPtr, _offset)\n }\n }\n\n /// @dev Resolves a pointer at `mPtr + headOffset` to a memory\n /// pointer. `mPtr` must point to some parent object with a dynamic\n /// type's pointer stored at `mPtr + headOffset`.\n function pptr(\n MemoryPointer mPtr,\n uint256 headOffset\n ) internal pure returns (MemoryPointer mPtrChild) {\n mPtrChild = mPtr.offset(headOffset).readMemoryPointer();\n }\n\n /// @dev Resolves a pointer stored at `mPtr` to a memory pointer.\n /// `mPtr` must point to some parent object with a dynamic type as its\n /// first member, e.g. `struct { bytes data; }`\n function pptr(\n MemoryPointer mPtr\n ) internal pure returns (MemoryPointer mPtrChild) {\n mPtrChild = mPtr.readMemoryPointer();\n }\n}\n\nlibrary CalldataReaders {\n /// @dev Reads the value at `cdPtr` and applies a mask to return only the\n /// last 4 bytes.\n function readMaskedUint256(\n CalldataPointer cdPtr\n ) internal pure returns (uint256 value) {\n value = cdPtr.readUint256() & OffsetOrLengthMask;\n }\n\n /// @dev Reads the bool at `cdPtr` in calldata.\n function readBool(\n CalldataPointer cdPtr\n ) internal pure returns (bool value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the address at `cdPtr` in calldata.\n function readAddress(\n CalldataPointer cdPtr\n ) internal pure returns (address value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes1 at `cdPtr` in calldata.\n function readBytes1(\n CalldataPointer cdPtr\n ) internal pure returns (bytes1 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes2 at `cdPtr` in calldata.\n function readBytes2(\n CalldataPointer cdPtr\n ) internal pure returns (bytes2 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes3 at `cdPtr` in calldata.\n function readBytes3(\n CalldataPointer cdPtr\n ) internal pure returns (bytes3 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes4 at `cdPtr` in calldata.\n function readBytes4(\n CalldataPointer cdPtr\n ) internal pure returns (bytes4 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes5 at `cdPtr` in calldata.\n function readBytes5(\n CalldataPointer cdPtr\n ) internal pure returns (bytes5 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes6 at `cdPtr` in calldata.\n function readBytes6(\n CalldataPointer cdPtr\n ) internal pure returns (bytes6 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes7 at `cdPtr` in calldata.\n function readBytes7(\n CalldataPointer cdPtr\n ) internal pure returns (bytes7 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes8 at `cdPtr` in calldata.\n function readBytes8(\n CalldataPointer cdPtr\n ) internal pure returns (bytes8 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes9 at `cdPtr` in calldata.\n function readBytes9(\n CalldataPointer cdPtr\n ) internal pure returns (bytes9 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes10 at `cdPtr` in calldata.\n function readBytes10(\n CalldataPointer cdPtr\n ) internal pure returns (bytes10 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes11 at `cdPtr` in calldata.\n function readBytes11(\n CalldataPointer cdPtr\n ) internal pure returns (bytes11 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes12 at `cdPtr` in calldata.\n function readBytes12(\n CalldataPointer cdPtr\n ) internal pure returns (bytes12 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes13 at `cdPtr` in calldata.\n function readBytes13(\n CalldataPointer cdPtr\n ) internal pure returns (bytes13 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes14 at `cdPtr` in calldata.\n function readBytes14(\n CalldataPointer cdPtr\n ) internal pure returns (bytes14 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes15 at `cdPtr` in calldata.\n function readBytes15(\n CalldataPointer cdPtr\n ) internal pure returns (bytes15 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes16 at `cdPtr` in calldata.\n function readBytes16(\n CalldataPointer cdPtr\n ) internal pure returns (bytes16 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes17 at `cdPtr` in calldata.\n function readBytes17(\n CalldataPointer cdPtr\n ) internal pure returns (bytes17 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes18 at `cdPtr` in calldata.\n function readBytes18(\n CalldataPointer cdPtr\n ) internal pure returns (bytes18 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes19 at `cdPtr` in calldata.\n function readBytes19(\n CalldataPointer cdPtr\n ) internal pure returns (bytes19 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes20 at `cdPtr` in calldata.\n function readBytes20(\n CalldataPointer cdPtr\n ) internal pure returns (bytes20 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes21 at `cdPtr` in calldata.\n function readBytes21(\n CalldataPointer cdPtr\n ) internal pure returns (bytes21 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes22 at `cdPtr` in calldata.\n function readBytes22(\n CalldataPointer cdPtr\n ) internal pure returns (bytes22 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes23 at `cdPtr` in calldata.\n function readBytes23(\n CalldataPointer cdPtr\n ) internal pure returns (bytes23 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes24 at `cdPtr` in calldata.\n function readBytes24(\n CalldataPointer cdPtr\n ) internal pure returns (bytes24 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes25 at `cdPtr` in calldata.\n function readBytes25(\n CalldataPointer cdPtr\n ) internal pure returns (bytes25 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes26 at `cdPtr` in calldata.\n function readBytes26(\n CalldataPointer cdPtr\n ) internal pure returns (bytes26 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes27 at `cdPtr` in calldata.\n function readBytes27(\n CalldataPointer cdPtr\n ) internal pure returns (bytes27 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes28 at `cdPtr` in calldata.\n function readBytes28(\n CalldataPointer cdPtr\n ) internal pure returns (bytes28 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes29 at `cdPtr` in calldata.\n function readBytes29(\n CalldataPointer cdPtr\n ) internal pure returns (bytes29 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes30 at `cdPtr` in calldata.\n function readBytes30(\n CalldataPointer cdPtr\n ) internal pure returns (bytes30 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes31 at `cdPtr` in calldata.\n function readBytes31(\n CalldataPointer cdPtr\n ) internal pure returns (bytes31 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes32 at `cdPtr` in calldata.\n function readBytes32(\n CalldataPointer cdPtr\n ) internal pure returns (bytes32 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint8 at `cdPtr` in calldata.\n function readUint8(\n CalldataPointer cdPtr\n ) internal pure returns (uint8 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint16 at `cdPtr` in calldata.\n function readUint16(\n CalldataPointer cdPtr\n ) internal pure returns (uint16 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint24 at `cdPtr` in calldata.\n function readUint24(\n CalldataPointer cdPtr\n ) internal pure returns (uint24 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint32 at `cdPtr` in calldata.\n function readUint32(\n CalldataPointer cdPtr\n ) internal pure returns (uint32 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint40 at `cdPtr` in calldata.\n function readUint40(\n CalldataPointer cdPtr\n ) internal pure returns (uint40 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint48 at `cdPtr` in calldata.\n function readUint48(\n CalldataPointer cdPtr\n ) internal pure returns (uint48 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint56 at `cdPtr` in calldata.\n function readUint56(\n CalldataPointer cdPtr\n ) internal pure returns (uint56 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint64 at `cdPtr` in calldata.\n function readUint64(\n CalldataPointer cdPtr\n ) internal pure returns (uint64 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint72 at `cdPtr` in calldata.\n function readUint72(\n CalldataPointer cdPtr\n ) internal pure returns (uint72 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint80 at `cdPtr` in calldata.\n function readUint80(\n CalldataPointer cdPtr\n ) internal pure returns (uint80 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint88 at `cdPtr` in calldata.\n function readUint88(\n CalldataPointer cdPtr\n ) internal pure returns (uint88 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint96 at `cdPtr` in calldata.\n function readUint96(\n CalldataPointer cdPtr\n ) internal pure returns (uint96 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint104 at `cdPtr` in calldata.\n function readUint104(\n CalldataPointer cdPtr\n ) internal pure returns (uint104 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint112 at `cdPtr` in calldata.\n function readUint112(\n CalldataPointer cdPtr\n ) internal pure returns (uint112 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint120 at `cdPtr` in calldata.\n function readUint120(\n CalldataPointer cdPtr\n ) internal pure returns (uint120 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint128 at `cdPtr` in calldata.\n function readUint128(\n CalldataPointer cdPtr\n ) internal pure returns (uint128 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint136 at `cdPtr` in calldata.\n function readUint136(\n CalldataPointer cdPtr\n ) internal pure returns (uint136 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint144 at `cdPtr` in calldata.\n function readUint144(\n CalldataPointer cdPtr\n ) internal pure returns (uint144 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint152 at `cdPtr` in calldata.\n function readUint152(\n CalldataPointer cdPtr\n ) internal pure returns (uint152 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint160 at `cdPtr` in calldata.\n function readUint160(\n CalldataPointer cdPtr\n ) internal pure returns (uint160 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint168 at `cdPtr` in calldata.\n function readUint168(\n CalldataPointer cdPtr\n ) internal pure returns (uint168 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint176 at `cdPtr` in calldata.\n function readUint176(\n CalldataPointer cdPtr\n ) internal pure returns (uint176 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint184 at `cdPtr` in calldata.\n function readUint184(\n CalldataPointer cdPtr\n ) internal pure returns (uint184 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint192 at `cdPtr` in calldata.\n function readUint192(\n CalldataPointer cdPtr\n ) internal pure returns (uint192 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint200 at `cdPtr` in calldata.\n function readUint200(\n CalldataPointer cdPtr\n ) internal pure returns (uint200 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint208 at `cdPtr` in calldata.\n function readUint208(\n CalldataPointer cdPtr\n ) internal pure returns (uint208 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint216 at `cdPtr` in calldata.\n function readUint216(\n CalldataPointer cdPtr\n ) internal pure returns (uint216 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint224 at `cdPtr` in calldata.\n function readUint224(\n CalldataPointer cdPtr\n ) internal pure returns (uint224 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint232 at `cdPtr` in calldata.\n function readUint232(\n CalldataPointer cdPtr\n ) internal pure returns (uint232 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint240 at `cdPtr` in calldata.\n function readUint240(\n CalldataPointer cdPtr\n ) internal pure returns (uint240 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint248 at `cdPtr` in calldata.\n function readUint248(\n CalldataPointer cdPtr\n ) internal pure returns (uint248 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint256 at `cdPtr` in calldata.\n function readUint256(\n CalldataPointer cdPtr\n ) internal pure returns (uint256 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int8 at `cdPtr` in calldata.\n function readInt8(\n CalldataPointer cdPtr\n ) internal pure returns (int8 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int16 at `cdPtr` in calldata.\n function readInt16(\n CalldataPointer cdPtr\n ) internal pure returns (int16 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int24 at `cdPtr` in calldata.\n function readInt24(\n CalldataPointer cdPtr\n ) internal pure returns (int24 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int32 at `cdPtr` in calldata.\n function readInt32(\n CalldataPointer cdPtr\n ) internal pure returns (int32 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int40 at `cdPtr` in calldata.\n function readInt40(\n CalldataPointer cdPtr\n ) internal pure returns (int40 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int48 at `cdPtr` in calldata.\n function readInt48(\n CalldataPointer cdPtr\n ) internal pure returns (int48 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int56 at `cdPtr` in calldata.\n function readInt56(\n CalldataPointer cdPtr\n ) internal pure returns (int56 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int64 at `cdPtr` in calldata.\n function readInt64(\n CalldataPointer cdPtr\n ) internal pure returns (int64 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int72 at `cdPtr` in calldata.\n function readInt72(\n CalldataPointer cdPtr\n ) internal pure returns (int72 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int80 at `cdPtr` in calldata.\n function readInt80(\n CalldataPointer cdPtr\n ) internal pure returns (int80 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int88 at `cdPtr` in calldata.\n function readInt88(\n CalldataPointer cdPtr\n ) internal pure returns (int88 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int96 at `cdPtr` in calldata.\n function readInt96(\n CalldataPointer cdPtr\n ) internal pure returns (int96 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int104 at `cdPtr` in calldata.\n function readInt104(\n CalldataPointer cdPtr\n ) internal pure returns (int104 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int112 at `cdPtr` in calldata.\n function readInt112(\n CalldataPointer cdPtr\n ) internal pure returns (int112 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int120 at `cdPtr` in calldata.\n function readInt120(\n CalldataPointer cdPtr\n ) internal pure returns (int120 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int128 at `cdPtr` in calldata.\n function readInt128(\n CalldataPointer cdPtr\n ) internal pure returns (int128 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int136 at `cdPtr` in calldata.\n function readInt136(\n CalldataPointer cdPtr\n ) internal pure returns (int136 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int144 at `cdPtr` in calldata.\n function readInt144(\n CalldataPointer cdPtr\n ) internal pure returns (int144 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int152 at `cdPtr` in calldata.\n function readInt152(\n CalldataPointer cdPtr\n ) internal pure returns (int152 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int160 at `cdPtr` in calldata.\n function readInt160(\n CalldataPointer cdPtr\n ) internal pure returns (int160 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int168 at `cdPtr` in calldata.\n function readInt168(\n CalldataPointer cdPtr\n ) internal pure returns (int168 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int176 at `cdPtr` in calldata.\n function readInt176(\n CalldataPointer cdPtr\n ) internal pure returns (int176 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int184 at `cdPtr` in calldata.\n function readInt184(\n CalldataPointer cdPtr\n ) internal pure returns (int184 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int192 at `cdPtr` in calldata.\n function readInt192(\n CalldataPointer cdPtr\n ) internal pure returns (int192 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int200 at `cdPtr` in calldata.\n function readInt200(\n CalldataPointer cdPtr\n ) internal pure returns (int200 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int208 at `cdPtr` in calldata.\n function readInt208(\n CalldataPointer cdPtr\n ) internal pure returns (int208 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int216 at `cdPtr` in calldata.\n function readInt216(\n CalldataPointer cdPtr\n ) internal pure returns (int216 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int224 at `cdPtr` in calldata.\n function readInt224(\n CalldataPointer cdPtr\n ) internal pure returns (int224 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int232 at `cdPtr` in calldata.\n function readInt232(\n CalldataPointer cdPtr\n ) internal pure returns (int232 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int240 at `cdPtr` in calldata.\n function readInt240(\n CalldataPointer cdPtr\n ) internal pure returns (int240 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int248 at `cdPtr` in calldata.\n function readInt248(\n CalldataPointer cdPtr\n ) internal pure returns (int248 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int256 at `cdPtr` in calldata.\n function readInt256(\n CalldataPointer cdPtr\n ) internal pure returns (int256 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n}\n\nlibrary ReturndataReaders {\n /// @dev Reads value at `rdPtr` & applies a mask to return only last 4 bytes\n function readMaskedUint256(\n ReturndataPointer rdPtr\n ) internal pure returns (uint256 value) {\n value = rdPtr.readUint256() & OffsetOrLengthMask;\n }\n\n /// @dev Reads the bool at `rdPtr` in returndata.\n function readBool(\n ReturndataPointer rdPtr\n ) internal pure returns (bool value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the address at `rdPtr` in returndata.\n function readAddress(\n ReturndataPointer rdPtr\n ) internal pure returns (address value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes1 at `rdPtr` in returndata.\n function readBytes1(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes1 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes2 at `rdPtr` in returndata.\n function readBytes2(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes2 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes3 at `rdPtr` in returndata.\n function readBytes3(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes3 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes4 at `rdPtr` in returndata.\n function readBytes4(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes4 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes5 at `rdPtr` in returndata.\n function readBytes5(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes5 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes6 at `rdPtr` in returndata.\n function readBytes6(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes6 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes7 at `rdPtr` in returndata.\n function readBytes7(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes7 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes8 at `rdPtr` in returndata.\n function readBytes8(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes8 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes9 at `rdPtr` in returndata.\n function readBytes9(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes9 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes10 at `rdPtr` in returndata.\n function readBytes10(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes10 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes11 at `rdPtr` in returndata.\n function readBytes11(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes11 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes12 at `rdPtr` in returndata.\n function readBytes12(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes12 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes13 at `rdPtr` in returndata.\n function readBytes13(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes13 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes14 at `rdPtr` in returndata.\n function readBytes14(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes14 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes15 at `rdPtr` in returndata.\n function readBytes15(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes15 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes16 at `rdPtr` in returndata.\n function readBytes16(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes16 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes17 at `rdPtr` in returndata.\n function readBytes17(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes17 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes18 at `rdPtr` in returndata.\n function readBytes18(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes18 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes19 at `rdPtr` in returndata.\n function readBytes19(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes19 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes20 at `rdPtr` in returndata.\n function readBytes20(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes20 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes21 at `rdPtr` in returndata.\n function readBytes21(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes21 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes22 at `rdPtr` in returndata.\n function readBytes22(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes22 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes23 at `rdPtr` in returndata.\n function readBytes23(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes23 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes24 at `rdPtr` in returndata.\n function readBytes24(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes24 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes25 at `rdPtr` in returndata.\n function readBytes25(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes25 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes26 at `rdPtr` in returndata.\n function readBytes26(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes26 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes27 at `rdPtr` in returndata.\n function readBytes27(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes27 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes28 at `rdPtr` in returndata.\n function readBytes28(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes28 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes29 at `rdPtr` in returndata.\n function readBytes29(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes29 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes30 at `rdPtr` in returndata.\n function readBytes30(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes30 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes31 at `rdPtr` in returndata.\n function readBytes31(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes31 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes32 at `rdPtr` in returndata.\n function readBytes32(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes32 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint8 at `rdPtr` in returndata.\n function readUint8(\n ReturndataPointer rdPtr\n ) internal pure returns (uint8 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint16 at `rdPtr` in returndata.\n function readUint16(\n ReturndataPointer rdPtr\n ) internal pure returns (uint16 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint24 at `rdPtr` in returndata.\n function readUint24(\n ReturndataPointer rdPtr\n ) internal pure returns (uint24 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint32 at `rdPtr` in returndata.\n function readUint32(\n ReturndataPointer rdPtr\n ) internal pure returns (uint32 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint40 at `rdPtr` in returndata.\n function readUint40(\n ReturndataPointer rdPtr\n ) internal pure returns (uint40 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint48 at `rdPtr` in returndata.\n function readUint48(\n ReturndataPointer rdPtr\n ) internal pure returns (uint48 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint56 at `rdPtr` in returndata.\n function readUint56(\n ReturndataPointer rdPtr\n ) internal pure returns (uint56 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint64 at `rdPtr` in returndata.\n function readUint64(\n ReturndataPointer rdPtr\n ) internal pure returns (uint64 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint72 at `rdPtr` in returndata.\n function readUint72(\n ReturndataPointer rdPtr\n ) internal pure returns (uint72 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint80 at `rdPtr` in returndata.\n function readUint80(\n ReturndataPointer rdPtr\n ) internal pure returns (uint80 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint88 at `rdPtr` in returndata.\n function readUint88(\n ReturndataPointer rdPtr\n ) internal pure returns (uint88 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint96 at `rdPtr` in returndata.\n function readUint96(\n ReturndataPointer rdPtr\n ) internal pure returns (uint96 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint104 at `rdPtr` in returndata.\n function readUint104(\n ReturndataPointer rdPtr\n ) internal pure returns (uint104 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint112 at `rdPtr` in returndata.\n function readUint112(\n ReturndataPointer rdPtr\n ) internal pure returns (uint112 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint120 at `rdPtr` in returndata.\n function readUint120(\n ReturndataPointer rdPtr\n ) internal pure returns (uint120 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint128 at `rdPtr` in returndata.\n function readUint128(\n ReturndataPointer rdPtr\n ) internal pure returns (uint128 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint136 at `rdPtr` in returndata.\n function readUint136(\n ReturndataPointer rdPtr\n ) internal pure returns (uint136 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint144 at `rdPtr` in returndata.\n function readUint144(\n ReturndataPointer rdPtr\n ) internal pure returns (uint144 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint152 at `rdPtr` in returndata.\n function readUint152(\n ReturndataPointer rdPtr\n ) internal pure returns (uint152 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint160 at `rdPtr` in returndata.\n function readUint160(\n ReturndataPointer rdPtr\n ) internal pure returns (uint160 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint168 at `rdPtr` in returndata.\n function readUint168(\n ReturndataPointer rdPtr\n ) internal pure returns (uint168 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint176 at `rdPtr` in returndata.\n function readUint176(\n ReturndataPointer rdPtr\n ) internal pure returns (uint176 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint184 at `rdPtr` in returndata.\n function readUint184(\n ReturndataPointer rdPtr\n ) internal pure returns (uint184 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint192 at `rdPtr` in returndata.\n function readUint192(\n ReturndataPointer rdPtr\n ) internal pure returns (uint192 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint200 at `rdPtr` in returndata.\n function readUint200(\n ReturndataPointer rdPtr\n ) internal pure returns (uint200 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint208 at `rdPtr` in returndata.\n function readUint208(\n ReturndataPointer rdPtr\n ) internal pure returns (uint208 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint216 at `rdPtr` in returndata.\n function readUint216(\n ReturndataPointer rdPtr\n ) internal pure returns (uint216 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint224 at `rdPtr` in returndata.\n function readUint224(\n ReturndataPointer rdPtr\n ) internal pure returns (uint224 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint232 at `rdPtr` in returndata.\n function readUint232(\n ReturndataPointer rdPtr\n ) internal pure returns (uint232 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint240 at `rdPtr` in returndata.\n function readUint240(\n ReturndataPointer rdPtr\n ) internal pure returns (uint240 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint248 at `rdPtr` in returndata.\n function readUint248(\n ReturndataPointer rdPtr\n ) internal pure returns (uint248 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint256 at `rdPtr` in returndata.\n function readUint256(\n ReturndataPointer rdPtr\n ) internal pure returns (uint256 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int8 at `rdPtr` in returndata.\n function readInt8(\n ReturndataPointer rdPtr\n ) internal pure returns (int8 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int16 at `rdPtr` in returndata.\n function readInt16(\n ReturndataPointer rdPtr\n ) internal pure returns (int16 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int24 at `rdPtr` in returndata.\n function readInt24(\n ReturndataPointer rdPtr\n ) internal pure returns (int24 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int32 at `rdPtr` in returndata.\n function readInt32(\n ReturndataPointer rdPtr\n ) internal pure returns (int32 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int40 at `rdPtr` in returndata.\n function readInt40(\n ReturndataPointer rdPtr\n ) internal pure returns (int40 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int48 at `rdPtr` in returndata.\n function readInt48(\n ReturndataPointer rdPtr\n ) internal pure returns (int48 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int56 at `rdPtr` in returndata.\n function readInt56(\n ReturndataPointer rdPtr\n ) internal pure returns (int56 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int64 at `rdPtr` in returndata.\n function readInt64(\n ReturndataPointer rdPtr\n ) internal pure returns (int64 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int72 at `rdPtr` in returndata.\n function readInt72(\n ReturndataPointer rdPtr\n ) internal pure returns (int72 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int80 at `rdPtr` in returndata.\n function readInt80(\n ReturndataPointer rdPtr\n ) internal pure returns (int80 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int88 at `rdPtr` in returndata.\n function readInt88(\n ReturndataPointer rdPtr\n ) internal pure returns (int88 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int96 at `rdPtr` in returndata.\n function readInt96(\n ReturndataPointer rdPtr\n ) internal pure returns (int96 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int104 at `rdPtr` in returndata.\n function readInt104(\n ReturndataPointer rdPtr\n ) internal pure returns (int104 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int112 at `rdPtr` in returndata.\n function readInt112(\n ReturndataPointer rdPtr\n ) internal pure returns (int112 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int120 at `rdPtr` in returndata.\n function readInt120(\n ReturndataPointer rdPtr\n ) internal pure returns (int120 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int128 at `rdPtr` in returndata.\n function readInt128(\n ReturndataPointer rdPtr\n ) internal pure returns (int128 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int136 at `rdPtr` in returndata.\n function readInt136(\n ReturndataPointer rdPtr\n ) internal pure returns (int136 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int144 at `rdPtr` in returndata.\n function readInt144(\n ReturndataPointer rdPtr\n ) internal pure returns (int144 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int152 at `rdPtr` in returndata.\n function readInt152(\n ReturndataPointer rdPtr\n ) internal pure returns (int152 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int160 at `rdPtr` in returndata.\n function readInt160(\n ReturndataPointer rdPtr\n ) internal pure returns (int160 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int168 at `rdPtr` in returndata.\n function readInt168(\n ReturndataPointer rdPtr\n ) internal pure returns (int168 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int176 at `rdPtr` in returndata.\n function readInt176(\n ReturndataPointer rdPtr\n ) internal pure returns (int176 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int184 at `rdPtr` in returndata.\n function readInt184(\n ReturndataPointer rdPtr\n ) internal pure returns (int184 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int192 at `rdPtr` in returndata.\n function readInt192(\n ReturndataPointer rdPtr\n ) internal pure returns (int192 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int200 at `rdPtr` in returndata.\n function readInt200(\n ReturndataPointer rdPtr\n ) internal pure returns (int200 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int208 at `rdPtr` in returndata.\n function readInt208(\n ReturndataPointer rdPtr\n ) internal pure returns (int208 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int216 at `rdPtr` in returndata.\n function readInt216(\n ReturndataPointer rdPtr\n ) internal pure returns (int216 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int224 at `rdPtr` in returndata.\n function readInt224(\n ReturndataPointer rdPtr\n ) internal pure returns (int224 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int232 at `rdPtr` in returndata.\n function readInt232(\n ReturndataPointer rdPtr\n ) internal pure returns (int232 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int240 at `rdPtr` in returndata.\n function readInt240(\n ReturndataPointer rdPtr\n ) internal pure returns (int240 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int248 at `rdPtr` in returndata.\n function readInt248(\n ReturndataPointer rdPtr\n ) internal pure returns (int248 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int256 at `rdPtr` in returndata.\n function readInt256(\n ReturndataPointer rdPtr\n ) internal pure returns (int256 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n}\n\nlibrary MemoryReaders {\n /// @dev Reads the memory pointer at `mPtr` in memory.\n function readMemoryPointer(\n MemoryPointer mPtr\n ) internal pure returns (MemoryPointer value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads value at `mPtr` & applies a mask to return only last 4 bytes\n function readMaskedUint256(\n MemoryPointer mPtr\n ) internal pure returns (uint256 value) {\n value = mPtr.readUint256() & OffsetOrLengthMask;\n }\n\n /// @dev Reads the bool at `mPtr` in memory.\n function readBool(MemoryPointer mPtr) internal pure returns (bool value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the address at `mPtr` in memory.\n function readAddress(\n MemoryPointer mPtr\n ) internal pure returns (address value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes1 at `mPtr` in memory.\n function readBytes1(\n MemoryPointer mPtr\n ) internal pure returns (bytes1 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes2 at `mPtr` in memory.\n function readBytes2(\n MemoryPointer mPtr\n ) internal pure returns (bytes2 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes3 at `mPtr` in memory.\n function readBytes3(\n MemoryPointer mPtr\n ) internal pure returns (bytes3 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes4 at `mPtr` in memory.\n function readBytes4(\n MemoryPointer mPtr\n ) internal pure returns (bytes4 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes5 at `mPtr` in memory.\n function readBytes5(\n MemoryPointer mPtr\n ) internal pure returns (bytes5 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes6 at `mPtr` in memory.\n function readBytes6(\n MemoryPointer mPtr\n ) internal pure returns (bytes6 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes7 at `mPtr` in memory.\n function readBytes7(\n MemoryPointer mPtr\n ) internal pure returns (bytes7 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes8 at `mPtr` in memory.\n function readBytes8(\n MemoryPointer mPtr\n ) internal pure returns (bytes8 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes9 at `mPtr` in memory.\n function readBytes9(\n MemoryPointer mPtr\n ) internal pure returns (bytes9 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes10 at `mPtr` in memory.\n function readBytes10(\n MemoryPointer mPtr\n ) internal pure returns (bytes10 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes11 at `mPtr` in memory.\n function readBytes11(\n MemoryPointer mPtr\n ) internal pure returns (bytes11 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes12 at `mPtr` in memory.\n function readBytes12(\n MemoryPointer mPtr\n ) internal pure returns (bytes12 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes13 at `mPtr` in memory.\n function readBytes13(\n MemoryPointer mPtr\n ) internal pure returns (bytes13 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes14 at `mPtr` in memory.\n function readBytes14(\n MemoryPointer mPtr\n ) internal pure returns (bytes14 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes15 at `mPtr` in memory.\n function readBytes15(\n MemoryPointer mPtr\n ) internal pure returns (bytes15 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes16 at `mPtr` in memory.\n function readBytes16(\n MemoryPointer mPtr\n ) internal pure returns (bytes16 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes17 at `mPtr` in memory.\n function readBytes17(\n MemoryPointer mPtr\n ) internal pure returns (bytes17 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes18 at `mPtr` in memory.\n function readBytes18(\n MemoryPointer mPtr\n ) internal pure returns (bytes18 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes19 at `mPtr` in memory.\n function readBytes19(\n MemoryPointer mPtr\n ) internal pure returns (bytes19 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes20 at `mPtr` in memory.\n function readBytes20(\n MemoryPointer mPtr\n ) internal pure returns (bytes20 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes21 at `mPtr` in memory.\n function readBytes21(\n MemoryPointer mPtr\n ) internal pure returns (bytes21 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes22 at `mPtr` in memory.\n function readBytes22(\n MemoryPointer mPtr\n ) internal pure returns (bytes22 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes23 at `mPtr` in memory.\n function readBytes23(\n MemoryPointer mPtr\n ) internal pure returns (bytes23 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes24 at `mPtr` in memory.\n function readBytes24(\n MemoryPointer mPtr\n ) internal pure returns (bytes24 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes25 at `mPtr` in memory.\n function readBytes25(\n MemoryPointer mPtr\n ) internal pure returns (bytes25 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes26 at `mPtr` in memory.\n function readBytes26(\n MemoryPointer mPtr\n ) internal pure returns (bytes26 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes27 at `mPtr` in memory.\n function readBytes27(\n MemoryPointer mPtr\n ) internal pure returns (bytes27 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes28 at `mPtr` in memory.\n function readBytes28(\n MemoryPointer mPtr\n ) internal pure returns (bytes28 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes29 at `mPtr` in memory.\n function readBytes29(\n MemoryPointer mPtr\n ) internal pure returns (bytes29 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes30 at `mPtr` in memory.\n function readBytes30(\n MemoryPointer mPtr\n ) internal pure returns (bytes30 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes31 at `mPtr` in memory.\n function readBytes31(\n MemoryPointer mPtr\n ) internal pure returns (bytes31 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes32 at `mPtr` in memory.\n function readBytes32(\n MemoryPointer mPtr\n ) internal pure returns (bytes32 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint8 at `mPtr` in memory.\n function readUint8(MemoryPointer mPtr) internal pure returns (uint8 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint16 at `mPtr` in memory.\n function readUint16(\n MemoryPointer mPtr\n ) internal pure returns (uint16 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint24 at `mPtr` in memory.\n function readUint24(\n MemoryPointer mPtr\n ) internal pure returns (uint24 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint32 at `mPtr` in memory.\n function readUint32(\n MemoryPointer mPtr\n ) internal pure returns (uint32 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint40 at `mPtr` in memory.\n function readUint40(\n MemoryPointer mPtr\n ) internal pure returns (uint40 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint48 at `mPtr` in memory.\n function readUint48(\n MemoryPointer mPtr\n ) internal pure returns (uint48 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint56 at `mPtr` in memory.\n function readUint56(\n MemoryPointer mPtr\n ) internal pure returns (uint56 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint64 at `mPtr` in memory.\n function readUint64(\n MemoryPointer mPtr\n ) internal pure returns (uint64 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint72 at `mPtr` in memory.\n function readUint72(\n MemoryPointer mPtr\n ) internal pure returns (uint72 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint80 at `mPtr` in memory.\n function readUint80(\n MemoryPointer mPtr\n ) internal pure returns (uint80 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint88 at `mPtr` in memory.\n function readUint88(\n MemoryPointer mPtr\n ) internal pure returns (uint88 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint96 at `mPtr` in memory.\n function readUint96(\n MemoryPointer mPtr\n ) internal pure returns (uint96 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint104 at `mPtr` in memory.\n function readUint104(\n MemoryPointer mPtr\n ) internal pure returns (uint104 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint112 at `mPtr` in memory.\n function readUint112(\n MemoryPointer mPtr\n ) internal pure returns (uint112 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint120 at `mPtr` in memory.\n function readUint120(\n MemoryPointer mPtr\n ) internal pure returns (uint120 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint128 at `mPtr` in memory.\n function readUint128(\n MemoryPointer mPtr\n ) internal pure returns (uint128 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint136 at `mPtr` in memory.\n function readUint136(\n MemoryPointer mPtr\n ) internal pure returns (uint136 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint144 at `mPtr` in memory.\n function readUint144(\n MemoryPointer mPtr\n ) internal pure returns (uint144 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint152 at `mPtr` in memory.\n function readUint152(\n MemoryPointer mPtr\n ) internal pure returns (uint152 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint160 at `mPtr` in memory.\n function readUint160(\n MemoryPointer mPtr\n ) internal pure returns (uint160 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint168 at `mPtr` in memory.\n function readUint168(\n MemoryPointer mPtr\n ) internal pure returns (uint168 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint176 at `mPtr` in memory.\n function readUint176(\n MemoryPointer mPtr\n ) internal pure returns (uint176 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint184 at `mPtr` in memory.\n function readUint184(\n MemoryPointer mPtr\n ) internal pure returns (uint184 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint192 at `mPtr` in memory.\n function readUint192(\n MemoryPointer mPtr\n ) internal pure returns (uint192 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint200 at `mPtr` in memory.\n function readUint200(\n MemoryPointer mPtr\n ) internal pure returns (uint200 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint208 at `mPtr` in memory.\n function readUint208(\n MemoryPointer mPtr\n ) internal pure returns (uint208 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint216 at `mPtr` in memory.\n function readUint216(\n MemoryPointer mPtr\n ) internal pure returns (uint216 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint224 at `mPtr` in memory.\n function readUint224(\n MemoryPointer mPtr\n ) internal pure returns (uint224 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint232 at `mPtr` in memory.\n function readUint232(\n MemoryPointer mPtr\n ) internal pure returns (uint232 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint240 at `mPtr` in memory.\n function readUint240(\n MemoryPointer mPtr\n ) internal pure returns (uint240 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint248 at `mPtr` in memory.\n function readUint248(\n MemoryPointer mPtr\n ) internal pure returns (uint248 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint256 at `mPtr` in memory.\n function readUint256(\n MemoryPointer mPtr\n ) internal pure returns (uint256 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int8 at `mPtr` in memory.\n function readInt8(MemoryPointer mPtr) internal pure returns (int8 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int16 at `mPtr` in memory.\n function readInt16(MemoryPointer mPtr) internal pure returns (int16 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int24 at `mPtr` in memory.\n function readInt24(MemoryPointer mPtr) internal pure returns (int24 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int32 at `mPtr` in memory.\n function readInt32(MemoryPointer mPtr) internal pure returns (int32 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int40 at `mPtr` in memory.\n function readInt40(MemoryPointer mPtr) internal pure returns (int40 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int48 at `mPtr` in memory.\n function readInt48(MemoryPointer mPtr) internal pure returns (int48 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int56 at `mPtr` in memory.\n function readInt56(MemoryPointer mPtr) internal pure returns (int56 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int64 at `mPtr` in memory.\n function readInt64(MemoryPointer mPtr) internal pure returns (int64 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int72 at `mPtr` in memory.\n function readInt72(MemoryPointer mPtr) internal pure returns (int72 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int80 at `mPtr` in memory.\n function readInt80(MemoryPointer mPtr) internal pure returns (int80 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int88 at `mPtr` in memory.\n function readInt88(MemoryPointer mPtr) internal pure returns (int88 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int96 at `mPtr` in memory.\n function readInt96(MemoryPointer mPtr) internal pure returns (int96 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int104 at `mPtr` in memory.\n function readInt104(\n MemoryPointer mPtr\n ) internal pure returns (int104 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int112 at `mPtr` in memory.\n function readInt112(\n MemoryPointer mPtr\n ) internal pure returns (int112 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int120 at `mPtr` in memory.\n function readInt120(\n MemoryPointer mPtr\n ) internal pure returns (int120 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int128 at `mPtr` in memory.\n function readInt128(\n MemoryPointer mPtr\n ) internal pure returns (int128 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int136 at `mPtr` in memory.\n function readInt136(\n MemoryPointer mPtr\n ) internal pure returns (int136 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int144 at `mPtr` in memory.\n function readInt144(\n MemoryPointer mPtr\n ) internal pure returns (int144 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int152 at `mPtr` in memory.\n function readInt152(\n MemoryPointer mPtr\n ) internal pure returns (int152 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int160 at `mPtr` in memory.\n function readInt160(\n MemoryPointer mPtr\n ) internal pure returns (int160 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int168 at `mPtr` in memory.\n function readInt168(\n MemoryPointer mPtr\n ) internal pure returns (int168 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int176 at `mPtr` in memory.\n function readInt176(\n MemoryPointer mPtr\n ) internal pure returns (int176 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int184 at `mPtr` in memory.\n function readInt184(\n MemoryPointer mPtr\n ) internal pure returns (int184 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int192 at `mPtr` in memory.\n function readInt192(\n MemoryPointer mPtr\n ) internal pure returns (int192 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int200 at `mPtr` in memory.\n function readInt200(\n MemoryPointer mPtr\n ) internal pure returns (int200 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int208 at `mPtr` in memory.\n function readInt208(\n MemoryPointer mPtr\n ) internal pure returns (int208 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int216 at `mPtr` in memory.\n function readInt216(\n MemoryPointer mPtr\n ) internal pure returns (int216 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int224 at `mPtr` in memory.\n function readInt224(\n MemoryPointer mPtr\n ) internal pure returns (int224 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int232 at `mPtr` in memory.\n function readInt232(\n MemoryPointer mPtr\n ) internal pure returns (int232 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int240 at `mPtr` in memory.\n function readInt240(\n MemoryPointer mPtr\n ) internal pure returns (int240 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int248 at `mPtr` in memory.\n function readInt248(\n MemoryPointer mPtr\n ) internal pure returns (int248 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int256 at `mPtr` in memory.\n function readInt256(\n MemoryPointer mPtr\n ) internal pure returns (int256 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n}\n\nlibrary MemoryWriters {\n /// @dev Writes `valuePtr` to memory at `mPtr`.\n function write(MemoryPointer mPtr, MemoryPointer valuePtr) internal pure {\n assembly {\n mstore(mPtr, valuePtr)\n }\n }\n\n /// @dev Writes a boolean `value` to `mPtr` in memory.\n function write(MemoryPointer mPtr, bool value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes an address `value` to `mPtr` in memory.\n function write(MemoryPointer mPtr, address value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes a bytes32 `value` to `mPtr` in memory.\n /// Separate name to disambiguate literal write parameters.\n function writeBytes32(MemoryPointer mPtr, bytes32 value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes a uint256 `value` to `mPtr` in memory.\n function write(MemoryPointer mPtr, uint256 value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes an int256 `value` to `mPtr` in memory.\n /// Separate name to disambiguate literal write parameters.\n function writeInt(MemoryPointer mPtr, int256 value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n}\n"
},
"lib/seaport/lib/seaport-types/src/interfaces/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.7;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"lib/openzeppelin-contracts-upgradeable/contracts/utils/AddressUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)\n\npragma solidity ^0.8.19;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n *\n * _Available since v4.8._\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n if (success) {\n if (returndata.length == 0) {\n // only check if target is a contract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n require(target.code.length > 0, \"Address: call to non-contract\");\n }\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason or using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n function _revert(bytes memory returndata, string memory errorMessage) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n}\n"
},
"src/lib/ERC721SeaDropStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { AllowListData, CreatorPayout } from \"./SeaDropStructs.sol\";\n\n/**\n * @notice A struct defining public drop data.\n * Designed to fit efficiently in two storage slots.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param paymentToken The payment token address. Null for\n * native token.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed. (The limit for this field is\n * 2^16 - 1)\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct PublicDrop {\n uint80 startPrice; // 80/512 bits\n uint80 endPrice; // 160/512 bits\n uint40 startTime; // 200/512 bits\n uint40 endTime; // 240/512 bits\n address paymentToken; // 400/512 bits\n uint16 maxTotalMintableByWallet; // 416/512 bits\n uint16 feeBps; // 432/512 bits\n bool restrictFeeRecipients; // 440/512 bits\n}\n\n/**\n * @notice A struct defining mint params for an allow list.\n * An allow list leaf will be composed of `msg.sender` and\n * the following params.\n *\n * Note: Since feeBps is encoded in the leaf, backend should ensure\n * that feeBps is acceptable before generating a proof.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param paymentToken The payment token for the mint. Null for\n * native token.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed.\n * @param maxTokenSupplyForStage The limit of token supply this stage can\n * mint within.\n * @param dropStageIndex The drop stage index to emit with the event\n * for analytical purposes. This should be\n * non-zero since the public mint emits with\n * index zero.\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct MintParams {\n uint256 startPrice;\n uint256 endPrice;\n uint256 startTime;\n uint256 endTime;\n address paymentToken;\n uint256 maxTotalMintableByWallet;\n uint256 maxTokenSupplyForStage;\n uint256 dropStageIndex; // non-zero\n uint256 feeBps;\n bool restrictFeeRecipients;\n}\n\n/**\n * @dev Struct containing internal SeaDrop implementation logic\n * mint details to avoid stack too deep.\n *\n * @param feeRecipient The fee recipient.\n * @param payer The payer of the mint.\n * @param minter The mint recipient.\n * @param quantity The number of tokens to mint.\n * @param withEffects Whether to apply state changes of the mint.\n */\nstruct MintDetails {\n address feeRecipient;\n address payer;\n address minter;\n uint256 quantity;\n bool withEffects;\n}\n\n/**\n * @notice A struct to configure multiple contract options in one transaction.\n */\nstruct MultiConfigureStruct {\n uint256 maxSupply;\n string baseURI;\n string contractURI;\n PublicDrop publicDrop;\n string dropURI;\n AllowListData allowListData;\n CreatorPayout[] creatorPayouts;\n bytes32 provenanceHash;\n address[] allowedFeeRecipients;\n address[] disallowedFeeRecipients;\n address[] allowedPayers;\n address[] disallowedPayers;\n // Server-signed\n address[] allowedSigners;\n address[] disallowedSigners;\n // ERC-2981\n address royaltyReceiver;\n uint96 royaltyBps;\n // Mint\n address mintRecipient;\n uint256 mintQuantity;\n}\n"
}
},
"settings": {
"remappings": [
"forge-std/=lib/forge-std/src/",
"ds-test/=lib/forge-std/lib/ds-test/src/",
"ERC721A/=lib/ERC721A/contracts/",
"ERC721A-Upgradeable/=lib/ERC721A-Upgradeable/contracts/",
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"@openzeppelin-upgradeable/contracts/=lib/openzeppelin-contracts-upgradeable/contracts/",
"@rari-capital/solmate/=lib/seaport/lib/solmate/",
"murky/=lib/murky/src/",
"create2-scripts/=lib/create2-helpers/script/",
"seadrop/=src/",
"seaport-sol/=lib/seaport/lib/seaport-sol/",
"seaport-types/=lib/seaport/lib/seaport-types/",
"seaport-core/=lib/seaport/lib/seaport-core/",
"seaport-test-utils/=lib/seaport/test/foundry/utils/",
"solady/=lib/solady/"
],
"optimizer": {
"enabled": true,
"runs": 99999999
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "none",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "paris",
"libraries": {}
}
}}
|
1 | 19,498,461 |
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|
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3d602d80600a3d3981f3363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
1 | 19,498,462 |
b5bacf68d7fcc8bc72867c1241ecfe92f8c2792dd03fb114a917e1ad7dea0126
|
0c0bebe48cd07ef00ae9dfe1ceef5a31978aead6ec37c20efec6d8e7bf320e93
|
ddb3cc4dc30ce0fcd9bbfc2a5f389b8c40aa023a
|
46950ba8946d7be4594399bcf203fb53e1fd7d37
|
cb6c24ef61a5e4b95908e1cf52d37d77d5627060
|
3d602d80600a3d3981f3363d3d373d3d3d363d73bfac0f451e63d2d639b05bbea3e72318ac5abc095af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d73bfac0f451e63d2d639b05bbea3e72318ac5abc095af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,465 |
05684ecf91118c245c7dc26bf9cf8449f68ac6c71c02f81834a8b15b02e34255
|
6018d5b17589e5b9d993846975516d19e061ff21e554ae38ad01cf6a4626a3bb
|
148b6c84800f681c4f482e9eefb4c7722195776c
|
000000f20032b9e171844b00ea507e11960bd94a
|
a2e0b421a9de8fa883571bb5a6681f2ceb30e2f8
|
3d602d80600a3d3981f3363d3d373d3d3d363d730d223d05e1cc4ac20de7fce86bc9bb8efb56f4d45af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d730d223d05e1cc4ac20de7fce86bc9bb8efb56f4d45af43d82803e903d91602b57fd5bf3
|
{{
"language": "Solidity",
"sources": {
"src/clones/ERC1155SeaDropCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n ERC1155SeaDropContractOffererCloneable\n} from \"./ERC1155SeaDropContractOffererCloneable.sol\";\n\n/**\n * @title ERC1155SeaDropCloneable\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @author Michael Cohen (notmichael.eth)\n * @notice A cloneable ERC1155 token contract that can mint as a\n * Seaport contract offerer.\n */\ncontract ERC1155SeaDropCloneable is ERC1155SeaDropContractOffererCloneable {\n /**\n * @notice Initialize the token contract.\n *\n * @param allowedConfigurer The address of the contract allowed to\n * implementation code. Also contains SeaDrop\n * implementation code.\n * @param allowedSeaport The address of the Seaport contract allowed to\n * interact.\n * @param name_ The name of the token.\n * @param symbol_ The symbol of the token.\n */\n function initialize(\n address allowedConfigurer,\n address allowedSeaport,\n string memory name_,\n string memory symbol_,\n address initialOwner\n ) public initializer {\n // Initialize ownership.\n _initializeOwner(initialOwner);\n\n // Initialize ERC1155SeaDropContractOffererCloneable.\n __ERC1155SeaDropContractOffererCloneable_init(\n allowedConfigurer,\n allowedSeaport,\n name_,\n symbol_\n );\n }\n\n /**\n * @dev Auto-approve the conduit after mint or transfer.\n *\n * @custom:param from The address to transfer from.\n * @param to The address to transfer to.\n * @custom:param ids The token ids to transfer.\n * @custom:param amounts The quantities to transfer.\n * @custom:param data The data to pass if receiver is a contract.\n */\n function _afterTokenTransfer(\n address /* from */,\n address to,\n uint256[] memory /* ids */,\n uint256[] memory /* amounts */,\n bytes memory /* data */\n ) internal virtual override {\n // Auto-approve the conduit.\n if (to != address(0) && !isApprovedForAll(to, _CONDUIT)) {\n _setApprovalForAll(to, _CONDUIT, true);\n }\n }\n\n /**\n * @dev Override this function to return true if `_afterTokenTransfer` is\n * used. The is to help the compiler avoid producing dead bytecode.\n */\n function _useAfterTokenTransfer()\n internal\n view\n virtual\n override\n returns (bool)\n {\n return true;\n }\n\n /**\n * @notice Burns a token, restricted to the owner or approved operator,\n * and must have sufficient balance.\n *\n * @param from The address to burn from.\n * @param id The token id to burn.\n * @param amount The amount to burn.\n */\n function burn(address from, uint256 id, uint256 amount) external {\n // Burn the token.\n _burn(msg.sender, from, id, amount);\n }\n\n /**\n * @notice Burns a batch of tokens, restricted to the owner or\n * approved operator, and must have sufficient balance.\n *\n * @param from The address to burn from.\n * @param ids The token ids to burn.\n * @param amounts The amounts to burn per token id.\n */\n function batchBurn(\n address from,\n uint256[] calldata ids,\n uint256[] calldata amounts\n ) external {\n // Burn the tokens.\n _batchBurn(msg.sender, from, ids, amounts);\n }\n}\n"
},
"src/clones/ERC1155SeaDropContractOffererCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { IERC1155SeaDrop } from \"../interfaces/IERC1155SeaDrop.sol\";\n\nimport { ISeaDropToken } from \"../interfaces/ISeaDropToken.sol\";\n\nimport {\n ERC1155ContractMetadataCloneable\n} from \"./ERC1155ContractMetadataCloneable.sol\";\n\nimport {\n ERC1155SeaDropContractOffererStorage\n} from \"../lib/ERC1155SeaDropContractOffererStorage.sol\";\n\nimport {\n ERC1155SeaDropErrorsAndEvents\n} from \"../lib/ERC1155SeaDropErrorsAndEvents.sol\";\n\nimport { PublicDrop } from \"../lib//ERC1155SeaDropStructs.sol\";\n\nimport { AllowListData } from \"../lib/SeaDropStructs.sol\";\n\nimport {\n ERC1155ConduitPreapproved\n} from \"../lib/ERC1155ConduitPreapproved.sol\";\n\nimport { ERC1155 } from \"solady/src/tokens/ERC1155.sol\";\n\nimport { SpentItem } from \"seaport-types/src/lib/ConsiderationStructs.sol\";\n\nimport {\n ContractOffererInterface\n} from \"seaport-types/src/interfaces/ContractOffererInterface.sol\";\n\nimport {\n IERC165\n} from \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\n/**\n * @title ERC1155SeaDropContractOffererCloneable\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @author Michael Cohen (notmichael.eth)\n * @notice A cloneable ERC1155 token contract that can mint as a\n * Seaport contract offerer.\n */\ncontract ERC1155SeaDropContractOffererCloneable is\n ERC1155ContractMetadataCloneable,\n ERC1155SeaDropErrorsAndEvents\n{\n using ERC1155SeaDropContractOffererStorage for ERC1155SeaDropContractOffererStorage.Layout;\n\n /**\n * @notice Initialize the token contract.\n *\n * @param allowedConfigurer The address of the contract allowed to\n * configure parameters. Also contains SeaDrop\n * implementation code.\n * @param allowedSeaport The address of the Seaport contract allowed to\n * interact.\n * @param name_ The name of the token.\n * @param symbol_ The symbol of the token.\n */\n function __ERC1155SeaDropContractOffererCloneable_init(\n address allowedConfigurer,\n address allowedSeaport,\n string memory name_,\n string memory symbol_\n ) internal onlyInitializing {\n // Set the allowed Seaport to interact with this contract.\n if (allowedSeaport == address(0)) {\n revert AllowedSeaportCannotBeZeroAddress();\n }\n ERC1155SeaDropContractOffererStorage.layout()._allowedSeaport[\n allowedSeaport\n ] = true;\n\n // Set the allowed Seaport enumeration.\n address[] memory enumeratedAllowedSeaport = new address[](1);\n enumeratedAllowedSeaport[0] = allowedSeaport;\n ERC1155SeaDropContractOffererStorage\n .layout()\n ._enumeratedAllowedSeaport = enumeratedAllowedSeaport;\n\n // Emit an event noting the contract deployment.\n emit SeaDropTokenDeployed(SEADROP_TOKEN_TYPE.ERC1155_CLONE);\n\n // Initialize ERC1155ContractMetadataCloneable.\n __ERC1155ContractMetadataCloneable_init(\n allowedConfigurer,\n name_,\n symbol_\n );\n }\n\n /**\n * @notice The fallback function is used as a dispatcher for SeaDrop\n * methods.\n */\n fallback(bytes calldata) external returns (bytes memory output) {\n // Get the function selector.\n bytes4 selector = msg.sig;\n\n // Get the rest of the msg data after the selector.\n bytes calldata data = msg.data[4:];\n\n // Determine if we should forward the call to the implementation\n // contract with SeaDrop logic.\n bool callSeaDropImplementation = selector ==\n ISeaDropToken.updateAllowedSeaport.selector ||\n selector == ISeaDropToken.updateDropURI.selector ||\n selector == ISeaDropToken.updateAllowList.selector ||\n selector == ISeaDropToken.updateCreatorPayouts.selector ||\n selector == ISeaDropToken.updatePayer.selector ||\n selector == ISeaDropToken.updateAllowedFeeRecipient.selector ||\n selector == ISeaDropToken.updateSigner.selector ||\n selector == IERC1155SeaDrop.updatePublicDrop.selector ||\n selector == ContractOffererInterface.previewOrder.selector ||\n selector == ContractOffererInterface.generateOrder.selector ||\n selector == ContractOffererInterface.getSeaportMetadata.selector ||\n selector == IERC1155SeaDrop.getPublicDrop.selector ||\n selector == IERC1155SeaDrop.getPublicDropIndexes.selector ||\n selector == ISeaDropToken.getAllowedSeaport.selector ||\n selector == ISeaDropToken.getCreatorPayouts.selector ||\n selector == ISeaDropToken.getAllowListMerkleRoot.selector ||\n selector == ISeaDropToken.getAllowedFeeRecipients.selector ||\n selector == ISeaDropToken.getSigners.selector ||\n selector == ISeaDropToken.getDigestIsUsed.selector ||\n selector == ISeaDropToken.getPayers.selector;\n\n // Determine if we should require only the owner or configurer calling.\n bool requireOnlyOwnerOrConfigurer = selector ==\n ISeaDropToken.updateAllowedSeaport.selector ||\n selector == ISeaDropToken.updateDropURI.selector ||\n selector == ISeaDropToken.updateAllowList.selector ||\n selector == ISeaDropToken.updateCreatorPayouts.selector ||\n selector == ISeaDropToken.updatePayer.selector ||\n selector == ISeaDropToken.updateAllowedFeeRecipient.selector ||\n selector == IERC1155SeaDrop.updatePublicDrop.selector;\n\n if (callSeaDropImplementation) {\n // For update calls, ensure the sender is only the owner\n // or configurer contract.\n if (requireOnlyOwnerOrConfigurer) {\n _onlyOwnerOrConfigurer();\n } else if (selector == ISeaDropToken.updateSigner.selector) {\n // For updateSigner, a signer can disallow themselves.\n // Get the signer parameter.\n address signer = address(bytes20(data[12:32]));\n // If the signer is not allowed, ensure sender is only owner\n // or configurer.\n if (\n msg.sender != signer ||\n (msg.sender == signer &&\n !ERC1155SeaDropContractOffererStorage\n .layout()\n ._allowedSigners[signer])\n ) {\n _onlyOwnerOrConfigurer();\n }\n }\n\n // Forward the call to the implementation contract.\n (bool success, bytes memory returnedData) = _CONFIGURER\n .delegatecall(msg.data);\n\n // Require that the call was successful.\n if (!success) {\n // Bubble up the revert reason.\n assembly {\n revert(add(32, returnedData), mload(returnedData))\n }\n }\n\n // If the call was to generateOrder, mint the tokens.\n if (selector == ContractOffererInterface.generateOrder.selector) {\n _mintOrder(data);\n }\n\n // Return the data from the delegate call.\n return returnedData;\n } else if (selector == IERC1155SeaDrop.getMintStats.selector) {\n // Get the minter and token id.\n (address minter, uint256 tokenId) = abi.decode(\n data,\n (address, uint256)\n );\n\n // Get the mint stats.\n (\n uint256 minterNumMinted,\n uint256 minterNumMintedForTokenId,\n uint256 totalMintedForTokenId,\n uint256 maxSupply\n ) = _getMintStats(minter, tokenId);\n\n // Encode the return data.\n return\n abi.encode(\n minterNumMinted,\n minterNumMintedForTokenId,\n totalMintedForTokenId,\n maxSupply\n );\n } else if (selector == ContractOffererInterface.ratifyOrder.selector) {\n // This function is a no-op, nothing additional needs to happen here.\n // Utilize assembly to efficiently return the ratifyOrder magic value.\n assembly {\n mstore(0, 0xf4dd92ce)\n return(0x1c, 32)\n }\n } else if (selector == ISeaDropToken.configurer.selector) {\n // Return the configurer contract.\n return abi.encode(_CONFIGURER);\n } else if (selector == IERC1155SeaDrop.multiConfigureMint.selector) {\n // Ensure only the owner or configurer can call this function.\n _onlyOwnerOrConfigurer();\n\n // Mint the tokens.\n _multiConfigureMint(data);\n } else {\n // Revert if the function selector is not supported.\n revert UnsupportedFunctionSelector(selector);\n }\n }\n\n /**\n * @notice Returns a set of mint stats for the address.\n * This assists in enforcing maxSupply, maxTotalMintableByWallet,\n * and maxTokenSupplyForStage checks.\n *\n * @dev NOTE: Implementing contracts should always update these numbers\n * before transferring any tokens with _safeMint() to mitigate\n * consequences of malicious onERC1155Received() hooks.\n *\n * @param minter The minter address.\n * @param tokenId The token id to return the stats for.\n */\n function _getMintStats(\n address minter,\n uint256 tokenId\n )\n internal\n view\n returns (\n uint256 minterNumMinted,\n uint256 minterNumMintedForTokenId,\n uint256 totalMintedForTokenId,\n uint256 maxSupply\n )\n {\n // Put the token supply on the stack.\n TokenSupply storage tokenSupply = _tokenSupply[tokenId];\n\n // Assign the return values.\n totalMintedForTokenId = tokenSupply.totalMinted;\n maxSupply = tokenSupply.maxSupply;\n minterNumMinted = _totalMintedByUser[minter];\n minterNumMintedForTokenId = _totalMintedByUserPerToken[minter][tokenId];\n }\n\n /**\n * @dev Handle ERC-1155 safeTransferFrom. If \"from\" is this contract,\n * the sender can only be Seaport or the conduit.\n *\n * @param from The address to transfer from.\n * @param to The address to transfer to.\n * @param id The token id to transfer.\n * @param amount The amount of tokens to transfer.\n * @param data The data to pass to the onERC1155Received hook.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) public virtual override {\n if (from == address(this)) {\n // Only Seaport or the conduit can use this function\n // when \"from\" is this contract.\n if (\n msg.sender != _CONDUIT &&\n !ERC1155SeaDropContractOffererStorage.layout()._allowedSeaport[\n msg.sender\n ]\n ) {\n revert InvalidCallerOnlyAllowedSeaport(msg.sender);\n }\n return;\n }\n\n ERC1155._safeTransfer(_by(), from, to, id, amount, data);\n }\n\n /**\n * @notice Returns whether the interface is supported.\n *\n * @param interfaceId The interface id to check against.\n */\n function supportsInterface(\n bytes4 interfaceId\n )\n public\n view\n virtual\n override(ERC1155ContractMetadataCloneable)\n returns (bool)\n {\n return\n interfaceId == type(IERC1155SeaDrop).interfaceId ||\n interfaceId == type(ContractOffererInterface).interfaceId ||\n interfaceId == 0x2e778efc || // SIP-5 (getSeaportMetadata)\n // ERC1155ContractMetadata returns supportsInterface true for\n // IERC1155ContractMetadata, ERC-4906, ERC-2981\n // ERC1155A returns supportsInterface true for\n // ERC165, ERC1155, ERC1155MetadataURI\n ERC1155ContractMetadataCloneable.supportsInterface(interfaceId);\n }\n\n /**\n * @dev Internal function to mint tokens during a generateOrder call\n * from Seaport.\n *\n * @param data The original transaction calldata, without the selector.\n */\n function _mintOrder(bytes calldata data) internal {\n // Decode fulfiller, minimumReceived, and context from calldata.\n (\n address fulfiller,\n SpentItem[] memory minimumReceived,\n ,\n bytes memory context\n ) = abi.decode(data, (address, SpentItem[], SpentItem[], bytes));\n\n // Assign the minter from context[22:42]. We validate context has the\n // correct minimum length in the implementation's `_decodeOrder`.\n address minter;\n assembly {\n minter := shr(96, mload(add(add(context, 0x20), 22)))\n }\n\n // If the minter is the zero address, set it to the fulfiller.\n if (minter == address(0)) {\n minter = fulfiller;\n }\n\n // Set the token ids and quantities.\n uint256 minimumReceivedLength = minimumReceived.length;\n uint256[] memory tokenIds = new uint256[](minimumReceivedLength);\n uint256[] memory quantities = new uint256[](minimumReceivedLength);\n for (uint256 i = 0; i < minimumReceivedLength; ) {\n tokenIds[i] = minimumReceived[i].identifier;\n quantities[i] = minimumReceived[i].amount;\n unchecked {\n ++i;\n }\n }\n\n // Mint the tokens.\n _batchMint(minter, tokenIds, quantities, \"\");\n }\n\n /**\n * @dev Internal function to mint tokens during a multiConfigureMint call\n * from the configurer contract.\n *\n * @param data The original transaction calldata, without the selector.\n */\n function _multiConfigureMint(bytes calldata data) internal {\n // Decode the calldata.\n (\n address recipient,\n uint256[] memory tokenIds,\n uint256[] memory amounts\n ) = abi.decode(data, (address, uint256[], uint256[]));\n\n _batchMint(recipient, tokenIds, amounts, \"\");\n }\n}\n"
},
"src/interfaces/IERC1155SeaDrop.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { ISeaDropToken } from \"./ISeaDropToken.sol\";\n\nimport { PublicDrop } from \"../lib/ERC1155SeaDropStructs.sol\";\n\n/**\n * @dev A helper interface to get and set parameters for ERC1155SeaDrop.\n * The token does not expose these methods as part of its external\n * interface to optimize contract size, but does implement them.\n */\ninterface IERC1155SeaDrop is ISeaDropToken {\n /**\n * @notice Update the SeaDrop public drop parameters at a given index.\n *\n * @param publicDrop The new public drop parameters.\n * @param index The public drop index.\n */\n function updatePublicDrop(\n PublicDrop calldata publicDrop,\n uint256 index\n ) external;\n\n /**\n * @notice Returns the public drop stage parameters at a given index.\n *\n * @param index The index of the public drop stage.\n */\n function getPublicDrop(\n uint256 index\n ) external view returns (PublicDrop memory);\n\n /**\n * @notice Returns the public drop indexes.\n */\n function getPublicDropIndexes() external view returns (uint256[] memory);\n\n /**\n * @notice Returns a set of mint stats for the address.\n * This assists SeaDrop in enforcing maxSupply,\n * maxTotalMintableByWallet, maxTotalMintableByWalletPerToken,\n * and maxTokenSupplyForStage checks.\n *\n * @dev NOTE: Implementing contracts should always update these numbers\n * before transferring any tokens with _safeMint() to mitigate\n * consequences of malicious onERC1155Received() hooks.\n *\n * @param minter The minter address.\n * @param tokenId The token id to return stats for.\n */\n function getMintStats(\n address minter,\n uint256 tokenId\n )\n external\n view\n returns (\n uint256 minterNumMinted,\n uint256 minterNumMintedForTokenId,\n uint256 totalMintedForTokenId,\n uint256 maxSupply\n );\n\n /**\n * @notice This function is only allowed to be called by the configurer\n * contract as a way to batch mints and configuration in one tx.\n *\n * @param recipient The address to receive the mints.\n * @param tokenIds The tokenIds to mint.\n * @param amounts The amounts to mint.\n */\n function multiConfigureMint(\n address recipient,\n uint256[] calldata tokenIds,\n uint256[] calldata amounts\n ) external;\n}\n"
},
"src/interfaces/ISeaDropToken.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n ISeaDropTokenContractMetadata\n} from \"./ISeaDropTokenContractMetadata.sol\";\n\nimport { AllowListData, CreatorPayout } from \"../lib/SeaDropStructs.sol\";\n\n/**\n * @dev A helper base interface for IERC721SeaDrop and IERC1155SeaDrop.\n * The token does not expose these methods as part of its external\n * interface to optimize contract size, but does implement them.\n */\ninterface ISeaDropToken is ISeaDropTokenContractMetadata {\n /**\n * @notice Update the SeaDrop allowed Seaport contracts privileged to mint.\n * Only the owner can use this function.\n *\n * @param allowedSeaport The allowed Seaport addresses.\n */\n function updateAllowedSeaport(address[] calldata allowedSeaport) external;\n\n /**\n * @notice Update the SeaDrop allowed fee recipient.\n * Only the owner can use this function.\n *\n * @param feeRecipient The new fee recipient.\n * @param allowed Whether the fee recipient is allowed.\n */\n function updateAllowedFeeRecipient(\n address feeRecipient,\n bool allowed\n ) external;\n\n /**\n * @notice Update the SeaDrop creator payout addresses.\n * The total basis points must add up to exactly 10_000.\n * Only the owner can use this function.\n *\n * @param creatorPayouts The new creator payouts.\n */\n function updateCreatorPayouts(\n CreatorPayout[] calldata creatorPayouts\n ) external;\n\n /**\n * @notice Update the SeaDrop drop URI.\n * Only the owner can use this function.\n *\n * @param dropURI The new drop URI.\n */\n function updateDropURI(string calldata dropURI) external;\n\n /**\n * @notice Update the SeaDrop allow list data.\n * Only the owner can use this function.\n *\n * @param allowListData The new allow list data.\n */\n function updateAllowList(AllowListData calldata allowListData) external;\n\n /**\n * @notice Update the SeaDrop allowed payers.\n * Only the owner can use this function.\n *\n * @param payer The payer to update.\n * @param allowed Whether the payer is allowed.\n */\n function updatePayer(address payer, bool allowed) external;\n\n /**\n * @notice Update the SeaDrop allowed signer.\n * Only the owner can use this function.\n * An allowed signer can also disallow themselves.\n *\n * @param signer The signer to update.\n * @param allowed Whether the signer is allowed.\n */\n function updateSigner(address signer, bool allowed) external;\n\n /**\n * @notice Get the SeaDrop allowed Seaport contracts privileged to mint.\n */\n function getAllowedSeaport() external view returns (address[] memory);\n\n /**\n * @notice Returns the SeaDrop creator payouts.\n */\n function getCreatorPayouts() external view returns (CreatorPayout[] memory);\n\n /**\n * @notice Returns the SeaDrop allow list merkle root.\n */\n function getAllowListMerkleRoot() external view returns (bytes32);\n\n /**\n * @notice Returns the SeaDrop allowed fee recipients.\n */\n function getAllowedFeeRecipients() external view returns (address[] memory);\n\n /**\n * @notice Returns the SeaDrop allowed signers.\n */\n function getSigners() external view returns (address[] memory);\n\n /**\n * @notice Returns if the signed digest has been used.\n *\n * @param digest The digest hash.\n */\n function getDigestIsUsed(bytes32 digest) external view returns (bool);\n\n /**\n * @notice Returns the SeaDrop allowed payers.\n */\n function getPayers() external view returns (address[] memory);\n\n /**\n * @notice Returns the configurer contract.\n */\n function configurer() external view returns (address);\n}\n"
},
"src/clones/ERC1155ContractMetadataCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n IERC1155ContractMetadata\n} from \"../interfaces/IERC1155ContractMetadata.sol\";\n\nimport {\n ERC1155ConduitPreapproved\n} from \"../lib/ERC1155ConduitPreapproved.sol\";\n\nimport { ERC1155 } from \"solady/src/tokens/ERC1155.sol\";\n\nimport { ERC2981 } from \"solady/src/tokens/ERC2981.sol\";\n\nimport { Ownable } from \"solady/src/auth/Ownable.sol\";\n\nimport {\n Initializable\n} from \"@openzeppelin-upgradeable/contracts/proxy/utils/Initializable.sol\";\n\n/**\n * @title ERC1155ContractMetadataCloneable\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @author Michael Cohen (notmichael.eth)\n * @notice A cloneable token contract that extends ERC-1155\n * with additional metadata and ownership capabilities.\n */\ncontract ERC1155ContractMetadataCloneable is\n ERC1155ConduitPreapproved,\n ERC2981,\n Ownable,\n IERC1155ContractMetadata,\n Initializable\n{\n /// @notice A struct containing the token supply info per token id.\n mapping(uint256 => TokenSupply) _tokenSupply;\n\n /// @notice The total number of tokens minted by address.\n mapping(address => uint256) _totalMintedByUser;\n\n /// @notice The total number of tokens minted per token id by address.\n mapping(address => mapping(uint256 => uint256)) _totalMintedByUserPerToken;\n\n /// @notice The name of the token.\n string internal _name;\n\n /// @notice The symbol of the token.\n string internal _symbol;\n\n /// @notice The base URI for token metadata.\n string internal _baseURI;\n\n /// @notice The contract URI for contract metadata.\n string internal _contractURI;\n\n /// @notice The provenance hash for guaranteeing metadata order\n /// for random reveals.\n bytes32 internal _provenanceHash;\n\n /// @notice The allowed contract that can configure SeaDrop parameters.\n address internal _CONFIGURER;\n\n /**\n * @dev Reverts if the sender is not the owner or the allowed\n * configurer contract.\n *\n * This is used as a function instead of a modifier\n * to save contract space when used multiple times.\n */\n function _onlyOwnerOrConfigurer() internal view {\n if (msg.sender != _CONFIGURER && msg.sender != owner()) {\n revert Unauthorized();\n }\n }\n\n /**\n * @notice Deploy the token contract.\n *\n * @param allowedConfigurer The address of the contract allowed to\n * configure parameters. Also contains SeaDrop\n * implementation code.\n * @param name_ The name of the token.\n * @param symbol_ The symbol of the token.\n */\n function __ERC1155ContractMetadataCloneable_init(\n address allowedConfigurer,\n string memory name_,\n string memory symbol_\n ) internal onlyInitializing {\n // Set the name of the token.\n _name = name_;\n\n // Set the symbol of the token.\n _symbol = symbol_;\n\n // Set the allowed configurer contract to interact with this contract.\n _CONFIGURER = allowedConfigurer;\n }\n\n /**\n * @notice Sets the base URI for the token metadata and emits an event.\n *\n * @param newBaseURI The new base URI to set.\n */\n function setBaseURI(string calldata newBaseURI) external override {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Set the new base URI.\n _baseURI = newBaseURI;\n\n // Emit an event with the update.\n emit BatchMetadataUpdate(0, type(uint256).max);\n }\n\n /**\n * @notice Sets the contract URI for contract metadata.\n *\n * @param newContractURI The new contract URI.\n */\n function setContractURI(string calldata newContractURI) external override {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Set the new contract URI.\n _contractURI = newContractURI;\n\n // Emit an event with the update.\n emit ContractURIUpdated(newContractURI);\n }\n\n /**\n * @notice Emit an event notifying metadata updates for\n * a range of token ids, according to EIP-4906.\n *\n * @param fromTokenId The start token id.\n * @param toTokenId The end token id.\n */\n function emitBatchMetadataUpdate(\n uint256 fromTokenId,\n uint256 toTokenId\n ) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Emit an event with the update.\n if (fromTokenId == toTokenId) {\n // If only one token is being updated, use the event\n // in the 1155 spec.\n emit URI(uri(fromTokenId), fromTokenId);\n } else {\n emit BatchMetadataUpdate(fromTokenId, toTokenId);\n }\n }\n\n /**\n * @notice Sets the max token supply and emits an event.\n *\n * @param tokenId The token id to set the max supply for.\n * @param newMaxSupply The new max supply to set.\n */\n function setMaxSupply(uint256 tokenId, uint256 newMaxSupply) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Ensure the max supply does not exceed the maximum value of uint64,\n // a limit due to the storage of bit-packed variables in TokenSupply,\n if (newMaxSupply > 2 ** 64 - 1) {\n revert CannotExceedMaxSupplyOfUint64(newMaxSupply);\n }\n\n // Set the new max supply.\n _tokenSupply[tokenId].maxSupply = uint64(newMaxSupply);\n\n // Emit an event with the update.\n emit MaxSupplyUpdated(tokenId, newMaxSupply);\n }\n\n /**\n * @notice Sets the provenance hash and emits an event.\n *\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it has not been\n * modified after mint started.\n *\n * This function will revert if the provenance hash has already\n * been set, so be sure to carefully set it only once.\n *\n * @param newProvenanceHash The new provenance hash to set.\n */\n function setProvenanceHash(bytes32 newProvenanceHash) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Keep track of the old provenance hash for emitting with the event.\n bytes32 oldProvenanceHash = _provenanceHash;\n\n // Revert if the provenance hash has already been set.\n if (oldProvenanceHash != bytes32(0)) {\n revert ProvenanceHashCannotBeSetAfterAlreadyBeingSet();\n }\n\n // Set the new provenance hash.\n _provenanceHash = newProvenanceHash;\n\n // Emit an event with the update.\n emit ProvenanceHashUpdated(oldProvenanceHash, newProvenanceHash);\n }\n\n /**\n * @notice Sets the default royalty information.\n *\n * Requirements:\n *\n * - `receiver` cannot be the zero address.\n * - `feeNumerator` cannot be greater than the fee denominator of 10_000 basis points.\n */\n function setDefaultRoyalty(address receiver, uint96 feeNumerator) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Set the default royalty.\n // ERC2981 implementation ensures feeNumerator <= feeDenominator\n // and receiver != address(0).\n _setDefaultRoyalty(receiver, feeNumerator);\n\n // Emit an event with the updated params.\n emit RoyaltyInfoUpdated(receiver, feeNumerator);\n }\n\n /**\n * @notice Returns the name of the token.\n */\n function name() external view returns (string memory) {\n return _name;\n }\n\n /**\n * @notice Returns the symbol of the token.\n */\n function symbol() external view returns (string memory) {\n return _symbol;\n }\n\n /**\n * @notice Returns the base URI for token metadata.\n */\n function baseURI() external view override returns (string memory) {\n return _baseURI;\n }\n\n /**\n * @notice Returns the contract URI for contract metadata.\n */\n function contractURI() external view override returns (string memory) {\n return _contractURI;\n }\n\n /**\n * @notice Returns the max token supply for a token id.\n */\n function maxSupply(uint256 tokenId) external view returns (uint256) {\n return _tokenSupply[tokenId].maxSupply;\n }\n\n /**\n * @notice Returns the total supply for a token id.\n */\n function totalSupply(uint256 tokenId) external view returns (uint256) {\n return _tokenSupply[tokenId].totalSupply;\n }\n\n /**\n * @notice Returns the total minted for a token id.\n */\n function totalMinted(uint256 tokenId) external view returns (uint256) {\n return _tokenSupply[tokenId].totalMinted;\n }\n\n /**\n * @notice Returns the provenance hash.\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it is unmodified\n * after mint has started.\n */\n function provenanceHash() external view override returns (bytes32) {\n return _provenanceHash;\n }\n\n /**\n * @notice Returns the URI for token metadata.\n *\n * This implementation returns the same URI for *all* token types.\n * It relies on the token type ID substitution mechanism defined\n * in the EIP to replace {id} with the token id.\n *\n * @custom:param tokenId The token id to get the URI for.\n */\n function uri(\n uint256 /* tokenId */\n ) public view virtual override returns (string memory) {\n // Return the base URI.\n return _baseURI;\n }\n\n /**\n * @notice Returns whether the interface is supported.\n *\n * @param interfaceId The interface id to check against.\n */\n function supportsInterface(\n bytes4 interfaceId\n ) public view virtual override(ERC1155, ERC2981) returns (bool) {\n return\n interfaceId == type(IERC1155ContractMetadata).interfaceId ||\n interfaceId == 0x49064906 || // ERC-4906 (MetadataUpdate)\n ERC2981.supportsInterface(interfaceId) ||\n // ERC1155 returns supportsInterface true for\n // ERC165, ERC1155, ERC1155MetadataURI\n ERC1155.supportsInterface(interfaceId);\n }\n\n /**\n * @dev Adds to the internal counters for a mint.\n *\n * @param to The address to mint to.\n * @param id The token id to mint.\n * @param amount The quantity to mint.\n * @param data The data to pass if receiver is a contract.\n */\n function _mint(\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) internal virtual override {\n // Increment mint counts.\n _incrementMintCounts(to, id, amount);\n\n ERC1155._mint(to, id, amount, data);\n }\n\n /**\n * @dev Adds to the internal counters for a batch mint.\n *\n * @param to The address to mint to.\n * @param ids The token ids to mint.\n * @param amounts The quantities to mint.\n * @param data The data to pass if receiver is a contract.\n */\n function _batchMint(\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual override {\n // Put ids length on the stack to save MLOADs.\n uint256 idsLength = ids.length;\n\n for (uint256 i = 0; i < idsLength; ) {\n // Increment mint counts.\n _incrementMintCounts(to, ids[i], amounts[i]);\n\n unchecked {\n ++i;\n }\n }\n\n ERC1155._batchMint(to, ids, amounts, data);\n }\n\n /**\n * @dev Subtracts from the internal counters for a burn.\n *\n * @param by The address calling the burn.\n * @param from The address to burn from.\n * @param id The token id to burn.\n * @param amount The amount to burn.\n */\n function _burn(\n address by,\n address from,\n uint256 id,\n uint256 amount\n ) internal virtual override {\n // Reduce the supply.\n _reduceSupplyOnBurn(id, amount);\n\n ERC1155._burn(by, from, id, amount);\n }\n\n /**\n * @dev Subtracts from the internal counters for a batch burn.\n *\n * @param by The address calling the burn.\n * @param from The address to burn from.\n * @param ids The token ids to burn.\n * @param amounts The amounts to burn.\n */\n function _batchBurn(\n address by,\n address from,\n uint256[] memory ids,\n uint256[] memory amounts\n ) internal virtual override {\n // Put ids length on the stack to save MLOADs.\n uint256 idsLength = ids.length;\n\n for (uint256 i = 0; i < idsLength; ) {\n // Reduce the supply.\n _reduceSupplyOnBurn(ids[i], amounts[i]);\n\n unchecked {\n ++i;\n }\n }\n\n ERC1155._batchBurn(by, from, ids, amounts);\n }\n\n function _reduceSupplyOnBurn(uint256 id, uint256 amount) internal {\n // Get the current token supply.\n TokenSupply storage tokenSupply = _tokenSupply[id];\n\n // Reduce the totalSupply.\n unchecked {\n tokenSupply.totalSupply -= uint64(amount);\n }\n }\n\n /**\n * @dev Internal function to increment mint counts.\n *\n * Note that this function does not check if the mint exceeds\n * maxSupply, which should be validated before this function is called.\n *\n * @param to The address to mint to.\n * @param id The token id to mint.\n * @param amount The quantity to mint.\n */\n function _incrementMintCounts(\n address to,\n uint256 id,\n uint256 amount\n ) internal {\n // Get the current token supply.\n TokenSupply storage tokenSupply = _tokenSupply[id];\n\n if (tokenSupply.totalMinted + amount > tokenSupply.maxSupply) {\n revert MintExceedsMaxSupply(\n tokenSupply.totalMinted + amount,\n tokenSupply.maxSupply\n );\n }\n\n // Increment supply and number minted.\n // Can be unchecked because maxSupply cannot be set to exceed uint64.\n unchecked {\n tokenSupply.totalSupply += uint64(amount);\n tokenSupply.totalMinted += uint64(amount);\n\n // Increment total minted by user.\n _totalMintedByUser[to] += amount;\n\n // Increment total minted by user per token.\n _totalMintedByUserPerToken[to][id] += amount;\n }\n }\n}\n"
},
"src/lib/ERC1155SeaDropContractOffererStorage.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { PublicDrop } from \"./ERC1155SeaDropStructs.sol\";\n\nimport { CreatorPayout } from \"./SeaDropStructs.sol\";\n\nlibrary ERC1155SeaDropContractOffererStorage {\n struct Layout {\n /// @notice The allowed Seaport addresses that can mint.\n mapping(address => bool) _allowedSeaport;\n /// @notice The enumerated allowed Seaport addresses.\n address[] _enumeratedAllowedSeaport;\n /// @notice The public drop data.\n mapping(uint256 => PublicDrop) _publicDrops;\n /// @notice The enumerated public drop indexes.\n uint256[] _enumeratedPublicDropIndexes;\n /// @notice The creator payout addresses and basis points.\n CreatorPayout[] _creatorPayouts;\n /// @notice The allow list merkle root.\n bytes32 _allowListMerkleRoot;\n /// @notice The allowed fee recipients.\n mapping(address => bool) _allowedFeeRecipients;\n /// @notice The enumerated allowed fee recipients.\n address[] _enumeratedFeeRecipients;\n /// @notice The allowed server-side signers.\n mapping(address => bool) _allowedSigners;\n /// @notice The enumerated allowed signers.\n address[] _enumeratedSigners;\n /// @notice The used signature digests.\n mapping(bytes32 => bool) _usedDigests;\n /// @notice The allowed payers.\n mapping(address => bool) _allowedPayers;\n /// @notice The enumerated allowed payers.\n address[] _enumeratedPayers;\n }\n\n bytes32 internal constant STORAGE_SLOT =\n bytes32(\n uint256(\n keccak256(\"contracts.storage.ERC1155SeaDropContractOfferer\")\n ) - 1\n );\n\n function layout() internal pure returns (Layout storage l) {\n bytes32 slot = STORAGE_SLOT;\n assembly {\n l.slot := slot\n }\n }\n}\n"
},
"src/lib/ERC1155SeaDropErrorsAndEvents.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { PublicDrop } from \"./ERC1155SeaDropStructs.sol\";\n\nimport { SeaDropErrorsAndEvents } from \"./SeaDropErrorsAndEvents.sol\";\n\ninterface ERC1155SeaDropErrorsAndEvents is SeaDropErrorsAndEvents {\n /**\n * @dev Revert with an error if an empty PublicDrop is provided\n * for an already-empty public drop.\n */\n error PublicDropStageNotPresent();\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the\n * max minted per wallet for a certain token id.\n */\n error MintQuantityExceedsMaxMintedPerWalletForTokenId(\n uint256 tokenId,\n uint256 total,\n uint256 allowed\n );\n\n /**\n * @dev Revert with an error if the target token id to mint is not within\n * the drop stage range.\n */\n error TokenIdNotWithinDropStageRange(\n uint256 tokenId,\n uint256 startTokenId,\n uint256 endTokenId\n );\n\n /**\n * @notice Revert with an error if the number of maxSupplyAmounts doesn't\n * match the number of maxSupplyTokenIds.\n */\n error MaxSupplyMismatch();\n\n /**\n * @notice Revert with an error if the number of mint tokenIds doesn't\n * match the number of mint amounts.\n */\n error MintAmountsMismatch();\n\n /**\n * @notice Revert with an error if the mint order offer contains\n * a duplicate tokenId.\n */\n error OfferContainsDuplicateTokenId(uint256 tokenId);\n\n /**\n * @dev Revert if the fromTokenId is greater than the toTokenId.\n */\n error InvalidFromAndToTokenId(uint256 fromTokenId, uint256 toTokenId);\n\n /**\n * @notice Revert with an error if the number of publicDropIndexes doesn't\n * match the number of publicDrops.\n */\n error PublicDropsMismatch();\n\n /**\n * @dev An event with updated public drop data.\n */\n event PublicDropUpdated(PublicDrop publicDrop, uint256 index);\n}\n"
},
"src/lib/ERC1155SeaDropStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { AllowListData, CreatorPayout } from \"./SeaDropStructs.sol\";\n\n/**\n * @notice A struct defining public drop data.\n * Designed to fit efficiently in two storage slots.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n * @param paymentToken The payment token address. Null for\n * native token.\n * @param fromTokenId The start token id for the stage.\n * @param toTokenId The end token id for the stage.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed. (The limit for this field is\n * 2^16 - 1)\n * @param maxTotalMintableByWalletPerToken Maximum total number of mints a user\n * is allowed for the token id. (The limit for\n * this field is 2^16 - 1)\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n */\nstruct PublicDrop {\n // slot 1\n uint80 startPrice; // 80/512 bits\n uint80 endPrice; // 160/512 bits\n uint40 startTime; // 200/512 bits\n uint40 endTime; // 240/512 bits\n bool restrictFeeRecipients; // 248/512 bits\n // uint8 unused;\n\n // slot 2\n address paymentToken; // 408/512 bits\n uint24 fromTokenId; // 432/512 bits\n uint24 toTokenId; // 456/512 bits\n uint16 maxTotalMintableByWallet; // 472/512 bits\n uint16 maxTotalMintableByWalletPerToken; // 488/512 bits\n uint16 feeBps; // 504/512 bits\n}\n\n/**\n * @notice A struct defining mint params for an allow list.\n * An allow list leaf will be composed of `msg.sender` and\n * the following params.\n *\n * Note: Since feeBps is encoded in the leaf, backend should ensure\n * that feeBps is acceptable before generating a proof.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param paymentToken The payment token for the mint. Null for\n * native token.\n * @param fromTokenId The start token id for the stage.\n * @param toTokenId The end token id for the stage.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed.\n * @param maxTotalMintableByWalletPerToken Maximum total number of mints a user\n * is allowed for the token id.\n * @param maxTokenSupplyForStage The limit of token supply this stage can\n * mint within.\n * @param dropStageIndex The drop stage index to emit with the event\n * for analytical purposes. This should be\n * non-zero since the public mint emits with\n * index zero.\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct MintParams {\n uint256 startPrice;\n uint256 endPrice;\n uint256 startTime;\n uint256 endTime;\n address paymentToken;\n uint256 fromTokenId;\n uint256 toTokenId;\n uint256 maxTotalMintableByWallet;\n uint256 maxTotalMintableByWalletPerToken;\n uint256 maxTokenSupplyForStage;\n uint256 dropStageIndex; // non-zero\n uint256 feeBps;\n bool restrictFeeRecipients;\n}\n\n/**\n * @dev Struct containing internal SeaDrop implementation logic\n * mint details to avoid stack too deep.\n *\n * @param feeRecipient The fee recipient.\n * @param payer The payer of the mint.\n * @param minter The mint recipient.\n * @param tokenIds The tokenIds to mint.\n * @param quantities The number of tokens to mint per tokenId.\n * @param withEffects Whether to apply state changes of the mint.\n */\nstruct MintDetails {\n address feeRecipient;\n address payer;\n address minter;\n uint256[] tokenIds;\n uint256[] quantities;\n bool withEffects;\n}\n\n/**\n * @notice A struct to configure multiple contract options in one transaction.\n */\nstruct MultiConfigureStruct {\n uint256[] maxSupplyTokenIds;\n uint256[] maxSupplyAmounts;\n string baseURI;\n string contractURI;\n PublicDrop[] publicDrops;\n uint256[] publicDropsIndexes;\n string dropURI;\n AllowListData allowListData;\n CreatorPayout[] creatorPayouts;\n bytes32 provenanceHash;\n address[] allowedFeeRecipients;\n address[] disallowedFeeRecipients;\n address[] allowedPayers;\n address[] disallowedPayers;\n // Server-signed\n address[] allowedSigners;\n address[] disallowedSigners;\n // ERC-2981\n address royaltyReceiver;\n uint96 royaltyBps;\n // Mint\n address mintRecipient;\n uint256[] mintTokenIds;\n uint256[] mintAmounts;\n}\n"
},
"src/lib/SeaDropStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\n/**\n * @notice A struct defining a creator payout address and basis points.\n *\n * @param payoutAddress The payout address.\n * @param basisPoints The basis points to pay out to the creator.\n * The total creator payouts must equal 10_000 bps.\n */\nstruct CreatorPayout {\n address payoutAddress;\n uint16 basisPoints;\n}\n\n/**\n * @notice A struct defining allow list data (for minting an allow list).\n *\n * @param merkleRoot The merkle root for the allow list.\n * @param publicKeyURIs If the allowListURI is encrypted, a list of URIs\n * pointing to the public keys. Empty if unencrypted.\n * @param allowListURI The URI for the allow list.\n */\nstruct AllowListData {\n bytes32 merkleRoot;\n string[] publicKeyURIs;\n string allowListURI;\n}\n"
},
"src/lib/ERC1155ConduitPreapproved.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { ERC1155 } from \"solady/src/tokens/ERC1155.sol\";\n\n/**\n * @title ERC1155ConduitPreapproved\n * @notice Solady's ERC1155 with the OpenSea conduit preapproved.\n */\nabstract contract ERC1155ConduitPreapproved is ERC1155 {\n /// @dev The canonical OpenSea conduit.\n address internal constant _CONDUIT =\n 0x1E0049783F008A0085193E00003D00cd54003c71;\n\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) public virtual override {\n _safeTransfer(_by(), from, to, id, amount, data);\n }\n\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) public virtual override {\n _safeBatchTransfer(_by(), from, to, ids, amounts, data);\n }\n\n function isApprovedForAll(\n address owner,\n address operator\n ) public view virtual override returns (bool) {\n if (operator == _CONDUIT) return true;\n return ERC1155.isApprovedForAll(owner, operator);\n }\n\n function _by() internal view returns (address result) {\n assembly {\n // `msg.sender == _CONDUIT ? address(0) : msg.sender`.\n result := mul(iszero(eq(caller(), _CONDUIT)), caller())\n }\n }\n}\n"
},
"lib/solady/src/tokens/ERC1155.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\n/// @notice Simple ERC1155 implementation.\n/// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC1155.sol)\n/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)\n/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/tree/master/contracts/token/ERC1155/ERC1155.sol)\n///\n/// @dev Note:\n/// The ERC1155 standard allows for self-approvals.\n/// For performance, this implementation WILL NOT revert for such actions.\n/// Please add any checks with overrides if desired.\nabstract contract ERC1155 {\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* CUSTOM ERRORS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The lengths of the input arrays are not the same.\n error ArrayLengthsMismatch();\n\n /// @dev Cannot mint or transfer to the zero address.\n error TransferToZeroAddress();\n\n /// @dev The recipient's balance has overflowed.\n error AccountBalanceOverflow();\n\n /// @dev Insufficient balance.\n error InsufficientBalance();\n\n /// @dev Only the token owner or an approved account can manage the tokens.\n error NotOwnerNorApproved();\n\n /// @dev Cannot safely transfer to a contract that does not implement\n /// the ERC1155Receiver interface.\n error TransferToNonERC1155ReceiverImplementer();\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* EVENTS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Emitted when `amount` of token `id` is transferred\n /// from `from` to `to` by `operator`.\n event TransferSingle(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256 id,\n uint256 amount\n );\n\n /// @dev Emitted when `amounts` of token `ids` are transferred\n /// from `from` to `to` by `operator`.\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] amounts\n );\n\n /// @dev Emitted when `owner` enables or disables `operator` to manage all of their tokens.\n event ApprovalForAll(address indexed owner, address indexed operator, bool isApproved);\n\n /// @dev Emitted when the Uniform Resource Identifier (URI) for token `id`\n /// is updated to `value`. This event is not used in the base contract.\n /// You may need to emit this event depending on your URI logic.\n ///\n /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata\n event URI(string value, uint256 indexed id);\n\n /// @dev `keccak256(bytes(\"TransferSingle(address,address,address,uint256,uint256)\"))`.\n uint256 private constant _TRANSFER_SINGLE_EVENT_SIGNATURE =\n 0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62;\n\n /// @dev `keccak256(bytes(\"TransferBatch(address,address,address,uint256[],uint256[])\"))`.\n uint256 private constant _TRANSFER_BATCH_EVENT_SIGNATURE =\n 0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb;\n\n /// @dev `keccak256(bytes(\"ApprovalForAll(address,address,bool)\"))`.\n uint256 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE =\n 0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* STORAGE */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The `ownerSlotSeed` of a given owner is given by.\n /// ```\n /// let ownerSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner))\n /// ```\n ///\n /// The balance slot of `owner` is given by.\n /// ```\n /// mstore(0x20, ownerSlotSeed)\n /// mstore(0x00, id)\n /// let balanceSlot := keccak256(0x00, 0x40)\n /// ```\n ///\n /// The operator approval slot of `owner` is given by.\n /// ```\n /// mstore(0x20, ownerSlotSeed)\n /// mstore(0x00, operator)\n /// let operatorApprovalSlot := keccak256(0x0c, 0x34)\n /// ```\n uint256 private constant _ERC1155_MASTER_SLOT_SEED = 0x9a31110384e0b0c9;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* ERC1155 METADATA */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Returns the URI for token `id`.\n ///\n /// You can either return the same templated URI for all token IDs,\n /// (e.g. \"https://example.com/api/{id}.json\"),\n /// or return a unique URI for each `id`.\n ///\n /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata\n function uri(uint256 id) public view virtual returns (string memory);\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* ERC1155 */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Returns the amount of `id` owned by `owner`.\n function balanceOf(address owner, uint256 id) public view virtual returns (uint256 result) {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, owner)\n mstore(0x00, id)\n result := sload(keccak256(0x00, 0x40))\n }\n }\n\n /// @dev Returns whether `operator` is approved to manage the tokens of `owner`.\n function isApprovedForAll(address owner, address operator)\n public\n view\n virtual\n returns (bool result)\n {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, owner)\n mstore(0x00, operator)\n result := sload(keccak256(0x0c, 0x34))\n }\n }\n\n /// @dev Sets whether `operator` is approved to manage the tokens of the caller.\n ///\n /// Emits a {ApprovalForAll} event.\n function setApprovalForAll(address operator, bool isApproved) public virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Convert to 0 or 1.\n isApproved := iszero(iszero(isApproved))\n // Update the `isApproved` for (`msg.sender`, `operator`).\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, caller())\n mstore(0x00, operator)\n sstore(keccak256(0x0c, 0x34), isApproved)\n // Emit the {ApprovalForAll} event.\n mstore(0x00, isApproved)\n // forgefmt: disable-next-line\n log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), shr(96, shl(96, operator)))\n }\n }\n\n /// @dev Transfers `amount` of `id` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `from` must have at least `amount` of `id`.\n /// - If the caller is not `from`,\n /// it must be approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.\n ///\n /// Emits a {Transfer} event.\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) public virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))\n let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))\n mstore(0x20, fromSlotSeed)\n // Clear the upper 96 bits.\n from := shr(96, fromSlotSeed)\n to := shr(96, toSlotSeed)\n // Revert if `to` is the zero address.\n if iszero(to) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // If the caller is not `from`, do the authorization check.\n if iszero(eq(caller(), from)) {\n mstore(0x00, caller())\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x00, id)\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, toSlotSeed)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n // Emit a {TransferSingle} event.\n mstore(0x20, amount)\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, to)\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n // Do the {onERC1155Received} check if `to` is a smart contract.\n if extcodesize(to) {\n // Prepare the calldata.\n let m := mload(0x40)\n // `onERC1155Received(address,address,uint256,uint256,bytes)`.\n mstore(m, 0xf23a6e61)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), from)\n mstore(add(m, 0x60), id)\n mstore(add(m, 0x80), amount)\n mstore(add(m, 0xa0), 0xa0)\n calldatacopy(add(m, 0xc0), sub(data.offset, 0x20), add(0x20, data.length))\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, data.length), m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xf23a6e61))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n }\n\n /// @dev Transfers `amounts` of `ids` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `from` must have at least `amount` of `id`.\n /// - `ids` and `amounts` must have the same length.\n /// - If the caller is not `from`,\n /// it must be approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.\n ///\n /// Emits a {TransferBatch} event.\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) public virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(ids.length, amounts.length)) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))\n let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))\n mstore(0x20, fromSlotSeed)\n // Clear the upper 96 bits.\n from := shr(96, fromSlotSeed)\n to := shr(96, toSlotSeed)\n // Revert if `to` is the zero address.\n if iszero(to) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // If the caller is not `from`, do the authorization check.\n if iszero(eq(caller(), from)) {\n mstore(0x00, caller())\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Loop through all the `ids` and update the balances.\n {\n let end := shl(5, ids.length)\n for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {\n let amount := calldataload(add(amounts.offset, i))\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x20, fromSlotSeed)\n mstore(0x00, calldataload(add(ids.offset, i)))\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, toSlotSeed)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, ids.length))\n let o := add(m, 0x40)\n calldatacopy(o, sub(ids.offset, 0x20), n)\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, n))\n o := add(o, n)\n n := add(0x20, shl(5, amounts.length))\n calldatacopy(o, sub(amounts.offset, 0x20), n)\n n := sub(add(o, n), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, to)\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransferCalldata(from, to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n // Do the {onERC1155BatchReceived} check if `to` is a smart contract.\n if extcodesize(to) {\n let m := mload(0x40)\n // Prepare the calldata.\n // `onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)`.\n mstore(m, 0xbc197c81)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), from)\n // Copy the `ids`.\n mstore(add(m, 0x60), 0xa0)\n let n := add(0x20, shl(5, ids.length))\n let o := add(m, 0xc0)\n calldatacopy(o, sub(ids.offset, 0x20), n)\n // Copy the `amounts`.\n let s := add(0xa0, n)\n mstore(add(m, 0x80), s)\n o := add(o, n)\n n := add(0x20, shl(5, amounts.length))\n calldatacopy(o, sub(amounts.offset, 0x20), n)\n // Copy the `data`.\n mstore(add(m, 0xa0), add(s, n))\n o := add(o, n)\n n := add(0x20, data.length)\n calldatacopy(o, sub(data.offset, 0x20), n)\n n := sub(add(o, n), add(m, 0x1c))\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xbc197c81))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n }\n\n /// @dev Returns the amounts of `ids` for `owners.\n ///\n /// Requirements:\n /// - `owners` and `ids` must have the same length.\n function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)\n public\n view\n virtual\n returns (uint256[] memory balances)\n {\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(ids.length, owners.length)) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n balances := mload(0x40)\n mstore(balances, ids.length)\n let o := add(balances, 0x20)\n let end := shl(5, ids.length)\n mstore(0x40, add(end, o))\n // Loop through all the `ids` and load the balances.\n for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {\n let owner := calldataload(add(owners.offset, i))\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)))\n mstore(0x00, calldataload(add(ids.offset, i)))\n mstore(add(o, i), sload(keccak256(0x00, 0x40)))\n }\n }\n }\n\n /// @dev Returns true if this contract implements the interface defined by `interfaceId`.\n /// See: https://eips.ethereum.org/EIPS/eip-165\n /// This function call must use less than 30000 gas.\n function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {\n /// @solidity memory-safe-assembly\n assembly {\n let s := shr(224, interfaceId)\n // ERC165: 0x01ffc9a7, ERC1155: 0xd9b67a26, ERC1155MetadataURI: 0x0e89341c.\n result := or(or(eq(s, 0x01ffc9a7), eq(s, 0xd9b67a26)), eq(s, 0x0e89341c))\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL MINT FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Mints `amount` of `id` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.\n ///\n /// Emits a {Transfer} event.\n function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(address(0), to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, to)\n mstore(0x00, id)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n // Emit a {TransferSingle} event.\n mstore(0x00, id)\n mstore(0x20, amount)\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), 0, shr(96, to_))\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(address(0), to, _single(id), _single(amount), data);\n }\n if (_hasCode(to)) _checkOnERC1155Received(address(0), to, id, amount, data);\n }\n\n /// @dev Mints `amounts` of `ids` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `ids` and `amounts` must have the same length.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.\n ///\n /// Emits a {TransferBatch} event.\n function _batchMint(\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(address(0), to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(mload(ids), mload(amounts))) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // Loop through all the `ids` and update the balances.\n {\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, to_))\n let end := shl(5, mload(ids))\n for { let i := 0 } iszero(eq(i, end)) {} {\n i := add(i, 0x20)\n let amount := mload(add(amounts, i))\n // Increase and store the updated balance of `to`.\n {\n mstore(0x00, mload(add(ids, i)))\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0x40)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n n := sub(add(o, returndatasize()), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), 0, shr(96, to_))\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(address(0), to, ids, amounts, data);\n }\n if (_hasCode(to)) _checkOnERC1155BatchReceived(address(0), to, ids, amounts, data);\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL BURN FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Equivalent to `_burn(address(0), from, id, amount)`.\n function _burn(address from, uint256 id, uint256 amount) internal virtual {\n _burn(address(0), from, id, amount);\n }\n\n /// @dev Destroys `amount` of `id` from `from`.\n ///\n /// Requirements:\n /// - `from` must have at least `amount` of `id`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n ///\n /// Emits a {Transfer} event.\n function _burn(address by, address from, uint256 id, uint256 amount) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, address(0), _single(id), _single(amount), \"\");\n }\n /// @solidity memory-safe-assembly\n assembly {\n let from_ := shl(96, from)\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n if iszero(or(iszero(shl(96, by)), eq(shl(96, by), from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Decrease and store the updated balance of `from`.\n {\n mstore(0x00, id)\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Emit a {TransferSingle} event.\n mstore(0x00, id)\n mstore(0x20, amount)\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), shr(96, from_), 0)\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, address(0), _single(id), _single(amount), \"\");\n }\n }\n\n /// @dev Equivalent to `_batchBurn(address(0), from, ids, amounts)`.\n function _batchBurn(address from, uint256[] memory ids, uint256[] memory amounts)\n internal\n virtual\n {\n _batchBurn(address(0), from, ids, amounts);\n }\n\n /// @dev Destroys `amounts` of `ids` from `from`.\n ///\n /// Requirements:\n /// - `ids` and `amounts` must have the same length.\n /// - `from` must have at least `amounts` of `ids`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n ///\n /// Emits a {TransferBatch} event.\n function _batchBurn(address by, address from, uint256[] memory ids, uint256[] memory amounts)\n internal\n virtual\n {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, address(0), ids, amounts, \"\");\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(mload(ids), mload(amounts))) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let from_ := shl(96, from)\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n let by_ := shl(96, by)\n if iszero(or(iszero(by_), eq(by_, from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Loop through all the `ids` and update the balances.\n {\n let end := shl(5, mload(ids))\n for { let i := 0 } iszero(eq(i, end)) {} {\n i := add(i, 0x20)\n let amount := mload(add(amounts, i))\n // Decrease and store the updated balance of `to`.\n {\n mstore(0x00, mload(add(ids, i)))\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0x40)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n n := sub(add(o, returndatasize()), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), shr(96, from_), 0)\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, address(0), ids, amounts, \"\");\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL APPROVAL FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Approve or remove the `operator` as an operator for `by`,\n /// without authorization checks.\n ///\n /// Emits a {ApprovalForAll} event.\n function _setApprovalForAll(address by, address operator, bool isApproved) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Convert to 0 or 1.\n isApproved := iszero(iszero(isApproved))\n // Update the `isApproved` for (`by`, `operator`).\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, by)\n mstore(0x00, operator)\n sstore(keccak256(0x0c, 0x34), isApproved)\n // Emit the {ApprovalForAll} event.\n mstore(0x00, isApproved)\n let m := shr(96, not(0))\n log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, and(m, by), and(m, operator))\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL TRANSFER FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Equivalent to `_safeTransfer(address(0), from, to, id, amount, data)`.\n function _safeTransfer(address from, address to, uint256 id, uint256 amount, bytes memory data)\n internal\n virtual\n {\n _safeTransfer(address(0), from, to, id, amount, data);\n }\n\n /// @dev Transfers `amount` of `id` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `from` must have at least `amount` of `id`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.\n ///\n /// Emits a {Transfer} event.\n function _safeTransfer(\n address by,\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n let from_ := shl(96, from)\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n let by_ := shl(96, by)\n if iszero(or(iszero(by_), eq(by_, from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x00, id)\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, to_))\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n // Emit a {TransferSingle} event.\n mstore(0x20, amount)\n // forgefmt: disable-next-line\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), shr(96, from_), shr(96, to_))\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n if (_hasCode(to)) _checkOnERC1155Received(from, to, id, amount, data);\n }\n\n /// @dev Equivalent to `_safeBatchTransfer(address(0), from, to, ids, amounts, data)`.\n function _safeBatchTransfer(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n _safeBatchTransfer(address(0), from, to, ids, amounts, data);\n }\n\n /// @dev Transfers `amounts` of `ids` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `ids` and `amounts` must have the same length.\n /// - `from` must have at least `amounts` of `ids`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.\n ///\n /// Emits a {TransferBatch} event.\n function _safeBatchTransfer(\n address by,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(mload(ids), mload(amounts))) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let from_ := shl(96, from)\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, from_)\n let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, to_)\n mstore(0x20, fromSlotSeed)\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n let by_ := shl(96, by)\n if iszero(or(iszero(by_), eq(by_, from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Loop through all the `ids` and update the balances.\n {\n let end := shl(5, mload(ids))\n for { let i := 0 } iszero(eq(i, end)) {} {\n i := add(i, 0x20)\n let amount := mload(add(amounts, i))\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x20, fromSlotSeed)\n mstore(0x00, mload(add(ids, i)))\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, toSlotSeed)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0x40)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n n := sub(add(o, returndatasize()), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), shr(96, from_), shr(96, to_))\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, ids, amounts, data);\n }\n if (_hasCode(to)) _checkOnERC1155BatchReceived(from, to, ids, amounts, data);\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* HOOKS FOR OVERRIDING */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Override this function to return true if `_beforeTokenTransfer` is used.\n /// The is to help the compiler avoid producing dead bytecode.\n function _useBeforeTokenTransfer() internal view virtual returns (bool) {\n return false;\n }\n\n /// @dev Hook that is called before any token transfer.\n /// This includes minting and burning, as well as batched variants.\n ///\n /// The same hook is called on both single and batched variants.\n /// For single transfers, the length of the `id` and `amount` arrays are 1.\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n\n /// @dev Override this function to return true if `_afterTokenTransfer` is used.\n /// The is to help the compiler avoid producing dead bytecode.\n function _useAfterTokenTransfer() internal view virtual returns (bool) {\n return false;\n }\n\n /// @dev Hook that is called after any token transfer.\n /// This includes minting and burning, as well as batched variants.\n ///\n /// The same hook is called on both single and batched variants.\n /// For single transfers, the length of the `id` and `amount` arrays are 1.\n function _afterTokenTransfer(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* PRIVATE HELPERS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Helper for calling the `_afterTokenTransfer` hook.\n /// The is to help the compiler avoid producing dead bytecode.\n function _afterTokenTransferCalldata(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) private {\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, ids, amounts, data);\n }\n }\n\n /// @dev Returns if `a` has bytecode of non-zero length.\n function _hasCode(address a) private view returns (bool result) {\n /// @solidity memory-safe-assembly\n assembly {\n result := extcodesize(a) // Can handle dirty upper bits.\n }\n }\n\n /// @dev Perform a call to invoke {IERC1155Receiver-onERC1155Received} on `to`.\n /// Reverts if the target does not support the function correctly.\n function _checkOnERC1155Received(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) private {\n /// @solidity memory-safe-assembly\n assembly {\n // Prepare the calldata.\n let m := mload(0x40)\n // `onERC1155Received(address,address,uint256,uint256,bytes)`.\n mstore(m, 0xf23a6e61)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), shr(96, shl(96, from)))\n mstore(add(m, 0x60), id)\n mstore(add(m, 0x80), amount)\n mstore(add(m, 0xa0), 0xa0)\n let n := mload(data)\n mstore(add(m, 0xc0), n)\n if n { pop(staticcall(gas(), 4, add(data, 0x20), n, add(m, 0xe0), n)) }\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, n), m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xf23a6e61))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n\n /// @dev Perform a call to invoke {IERC1155Receiver-onERC1155BatchReceived} on `to`.\n /// Reverts if the target does not support the function correctly.\n function _checkOnERC1155BatchReceived(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) private {\n /// @solidity memory-safe-assembly\n assembly {\n // Prepare the calldata.\n let m := mload(0x40)\n // `onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)`.\n mstore(m, 0xbc197c81)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), shr(96, shl(96, from)))\n // Copy the `ids`.\n mstore(add(m, 0x60), 0xa0)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0xc0)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n let s := add(0xa0, returndatasize())\n mstore(add(m, 0x80), s)\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n // Copy the `data`.\n mstore(add(m, 0xa0), add(s, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, mload(data))\n pop(staticcall(gas(), 4, data, n, o, n))\n n := sub(add(o, returndatasize()), add(m, 0x1c))\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xbc197c81))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n\n /// @dev Returns `x` in an array with a single element.\n function _single(uint256 x) private pure returns (uint256[] memory result) {\n assembly {\n result := mload(0x40)\n mstore(0x40, add(result, 0x40))\n mstore(result, 1)\n mstore(add(result, 0x20), x)\n }\n }\n}\n"
},
"lib/seaport/lib/seaport-types/src/lib/ConsiderationStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {\n BasicOrderType,\n ItemType,\n OrderType,\n Side\n} from \"./ConsiderationEnums.sol\";\n\nimport {\n CalldataPointer,\n MemoryPointer\n} from \"../helpers/PointerLibraries.sol\";\n\n/**\n * @dev An order contains eleven components: an offerer, a zone (or account that\n * can cancel the order or restrict who can fulfill the order depending on\n * the type), the order type (specifying partial fill support as well as\n * restricted order status), the start and end time, a hash that will be\n * provided to the zone when validating restricted orders, a salt, a key\n * corresponding to a given conduit, a counter, and an arbitrary number of\n * offer items that can be spent along with consideration items that must\n * be received by their respective recipient.\n */\nstruct OrderComponents {\n address offerer;\n address zone;\n OfferItem[] offer;\n ConsiderationItem[] consideration;\n OrderType orderType;\n uint256 startTime;\n uint256 endTime;\n bytes32 zoneHash;\n uint256 salt;\n bytes32 conduitKey;\n uint256 counter;\n}\n\n/**\n * @dev An offer item has five components: an item type (ETH or other native\n * tokens, ERC20, ERC721, and ERC1155, as well as criteria-based ERC721 and\n * ERC1155), a token address, a dual-purpose \"identifierOrCriteria\"\n * component that will either represent a tokenId or a merkle root\n * depending on the item type, and a start and end amount that support\n * increasing or decreasing amounts over the duration of the respective\n * order.\n */\nstruct OfferItem {\n ItemType itemType;\n address token;\n uint256 identifierOrCriteria;\n uint256 startAmount;\n uint256 endAmount;\n}\n\n/**\n * @dev A consideration item has the same five components as an offer item and\n * an additional sixth component designating the required recipient of the\n * item.\n */\nstruct ConsiderationItem {\n ItemType itemType;\n address token;\n uint256 identifierOrCriteria;\n uint256 startAmount;\n uint256 endAmount;\n address payable recipient;\n}\n\n/**\n * @dev A spent item is translated from a utilized offer item and has four\n * components: an item type (ETH or other native tokens, ERC20, ERC721, and\n * ERC1155), a token address, a tokenId, and an amount.\n */\nstruct SpentItem {\n ItemType itemType;\n address token;\n uint256 identifier;\n uint256 amount;\n}\n\n/**\n * @dev A received item is translated from a utilized consideration item and has\n * the same four components as a spent item, as well as an additional fifth\n * component designating the required recipient of the item.\n */\nstruct ReceivedItem {\n ItemType itemType;\n address token;\n uint256 identifier;\n uint256 amount;\n address payable recipient;\n}\n\n/**\n * @dev For basic orders involving ETH / native / ERC20 <=> ERC721 / ERC1155\n * matching, a group of six functions may be called that only requires a\n * subset of the usual order arguments. Note the use of a \"basicOrderType\"\n * enum; this represents both the usual order type as well as the \"route\"\n * of the basic order (a simple derivation function for the basic order\n * type is `basicOrderType = orderType + (4 * basicOrderRoute)`.)\n */\nstruct BasicOrderParameters {\n // calldata offset\n address considerationToken; // 0x24\n uint256 considerationIdentifier; // 0x44\n uint256 considerationAmount; // 0x64\n address payable offerer; // 0x84\n address zone; // 0xa4\n address offerToken; // 0xc4\n uint256 offerIdentifier; // 0xe4\n uint256 offerAmount; // 0x104\n BasicOrderType basicOrderType; // 0x124\n uint256 startTime; // 0x144\n uint256 endTime; // 0x164\n bytes32 zoneHash; // 0x184\n uint256 salt; // 0x1a4\n bytes32 offererConduitKey; // 0x1c4\n bytes32 fulfillerConduitKey; // 0x1e4\n uint256 totalOriginalAdditionalRecipients; // 0x204\n AdditionalRecipient[] additionalRecipients; // 0x224\n bytes signature; // 0x244\n // Total length, excluding dynamic array data: 0x264 (580)\n}\n\n/**\n * @dev Basic orders can supply any number of additional recipients, with the\n * implied assumption that they are supplied from the offered ETH (or other\n * native token) or ERC20 token for the order.\n */\nstruct AdditionalRecipient {\n uint256 amount;\n address payable recipient;\n}\n\n/**\n * @dev The full set of order components, with the exception of the counter,\n * must be supplied when fulfilling more sophisticated orders or groups of\n * orders. The total number of original consideration items must also be\n * supplied, as the caller may specify additional consideration items.\n */\nstruct OrderParameters {\n address offerer; // 0x00\n address zone; // 0x20\n OfferItem[] offer; // 0x40\n ConsiderationItem[] consideration; // 0x60\n OrderType orderType; // 0x80\n uint256 startTime; // 0xa0\n uint256 endTime; // 0xc0\n bytes32 zoneHash; // 0xe0\n uint256 salt; // 0x100\n bytes32 conduitKey; // 0x120\n uint256 totalOriginalConsiderationItems; // 0x140\n // offer.length // 0x160\n}\n\n/**\n * @dev Orders require a signature in addition to the other order parameters.\n */\nstruct Order {\n OrderParameters parameters;\n bytes signature;\n}\n\n/**\n * @dev Advanced orders include a numerator (i.e. a fraction to attempt to fill)\n * and a denominator (the total size of the order) in addition to the\n * signature and other order parameters. It also supports an optional field\n * for supplying extra data; this data will be provided to the zone if the\n * order type is restricted and the zone is not the caller, or will be\n * provided to the offerer as context for contract order types.\n */\nstruct AdvancedOrder {\n OrderParameters parameters;\n uint120 numerator;\n uint120 denominator;\n bytes signature;\n bytes extraData;\n}\n\n/**\n * @dev Orders can be validated (either explicitly via `validate`, or as a\n * consequence of a full or partial fill), specifically cancelled (they can\n * also be cancelled in bulk via incrementing a per-zone counter), and\n * partially or fully filled (with the fraction filled represented by a\n * numerator and denominator).\n */\nstruct OrderStatus {\n bool isValidated;\n bool isCancelled;\n uint120 numerator;\n uint120 denominator;\n}\n\n/**\n * @dev A criteria resolver specifies an order, side (offer vs. consideration),\n * and item index. It then provides a chosen identifier (i.e. tokenId)\n * alongside a merkle proof demonstrating the identifier meets the required\n * criteria.\n */\nstruct CriteriaResolver {\n uint256 orderIndex;\n Side side;\n uint256 index;\n uint256 identifier;\n bytes32[] criteriaProof;\n}\n\n/**\n * @dev A fulfillment is applied to a group of orders. It decrements a series of\n * offer and consideration items, then generates a single execution\n * element. A given fulfillment can be applied to as many offer and\n * consideration items as desired, but must contain at least one offer and\n * at least one consideration that match. The fulfillment must also remain\n * consistent on all key parameters across all offer items (same offerer,\n * token, type, tokenId, and conduit preference) as well as across all\n * consideration items (token, type, tokenId, and recipient).\n */\nstruct Fulfillment {\n FulfillmentComponent[] offerComponents;\n FulfillmentComponent[] considerationComponents;\n}\n\n/**\n * @dev Each fulfillment component contains one index referencing a specific\n * order and another referencing a specific offer or consideration item.\n */\nstruct FulfillmentComponent {\n uint256 orderIndex;\n uint256 itemIndex;\n}\n\n/**\n * @dev An execution is triggered once all consideration items have been zeroed\n * out. It sends the item in question from the offerer to the item's\n * recipient, optionally sourcing approvals from either this contract\n * directly or from the offerer's chosen conduit if one is specified. An\n * execution is not provided as an argument, but rather is derived via\n * orders, criteria resolvers, and fulfillments (where the total number of\n * executions will be less than or equal to the total number of indicated\n * fulfillments) and returned as part of `matchOrders`.\n */\nstruct Execution {\n ReceivedItem item;\n address offerer;\n bytes32 conduitKey;\n}\n\n/**\n * @dev Restricted orders are validated post-execution by calling validateOrder\n * on the zone. This struct provides context about the order fulfillment\n * and any supplied extraData, as well as all order hashes fulfilled in a\n * call to a match or fulfillAvailable method.\n */\nstruct ZoneParameters {\n bytes32 orderHash;\n address fulfiller;\n address offerer;\n SpentItem[] offer;\n ReceivedItem[] consideration;\n bytes extraData;\n bytes32[] orderHashes;\n uint256 startTime;\n uint256 endTime;\n bytes32 zoneHash;\n}\n\n/**\n * @dev Zones and contract offerers can communicate which schemas they implement\n * along with any associated metadata related to each schema.\n */\nstruct Schema {\n uint256 id;\n bytes metadata;\n}\n\nusing StructPointers for OrderComponents global;\nusing StructPointers for OfferItem global;\nusing StructPointers for ConsiderationItem global;\nusing StructPointers for SpentItem global;\nusing StructPointers for ReceivedItem global;\nusing StructPointers for BasicOrderParameters global;\nusing StructPointers for AdditionalRecipient global;\nusing StructPointers for OrderParameters global;\nusing StructPointers for Order global;\nusing StructPointers for AdvancedOrder global;\nusing StructPointers for OrderStatus global;\nusing StructPointers for CriteriaResolver global;\nusing StructPointers for Fulfillment global;\nusing StructPointers for FulfillmentComponent global;\nusing StructPointers for Execution global;\nusing StructPointers for ZoneParameters global;\n\n/**\n * @dev This library provides a set of functions for converting structs to\n * pointers.\n */\nlibrary StructPointers {\n /**\n * @dev Get a MemoryPointer from OrderComponents.\n *\n * @param obj The OrderComponents object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OrderComponents memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OrderComponents.\n *\n * @param obj The OrderComponents object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OrderComponents calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from OfferItem.\n *\n * @param obj The OfferItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OfferItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OfferItem.\n *\n * @param obj The OfferItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OfferItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from ConsiderationItem.\n *\n * @param obj The ConsiderationItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n ConsiderationItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from ConsiderationItem.\n *\n * @param obj The ConsiderationItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n ConsiderationItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from SpentItem.\n *\n * @param obj The SpentItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n SpentItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from SpentItem.\n *\n * @param obj The SpentItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n SpentItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from ReceivedItem.\n *\n * @param obj The ReceivedItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n ReceivedItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from ReceivedItem.\n *\n * @param obj The ReceivedItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n ReceivedItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from BasicOrderParameters.\n *\n * @param obj The BasicOrderParameters object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n BasicOrderParameters memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from BasicOrderParameters.\n *\n * @param obj The BasicOrderParameters object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n BasicOrderParameters calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from AdditionalRecipient.\n *\n * @param obj The AdditionalRecipient object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n AdditionalRecipient memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from AdditionalRecipient.\n *\n * @param obj The AdditionalRecipient object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n AdditionalRecipient calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from OrderParameters.\n *\n * @param obj The OrderParameters object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OrderParameters memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OrderParameters.\n *\n * @param obj The OrderParameters object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OrderParameters calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from Order.\n *\n * @param obj The Order object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n Order memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from Order.\n *\n * @param obj The Order object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n Order calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from AdvancedOrder.\n *\n * @param obj The AdvancedOrder object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n AdvancedOrder memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from AdvancedOrder.\n *\n * @param obj The AdvancedOrder object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n AdvancedOrder calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from OrderStatus.\n *\n * @param obj The OrderStatus object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OrderStatus memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OrderStatus.\n *\n * @param obj The OrderStatus object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OrderStatus calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from CriteriaResolver.\n *\n * @param obj The CriteriaResolver object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n CriteriaResolver memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from CriteriaResolver.\n *\n * @param obj The CriteriaResolver object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n CriteriaResolver calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from Fulfillment.\n *\n * @param obj The Fulfillment object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n Fulfillment memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from Fulfillment.\n *\n * @param obj The Fulfillment object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n Fulfillment calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from FulfillmentComponent.\n *\n * @param obj The FulfillmentComponent object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n FulfillmentComponent memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from FulfillmentComponent.\n *\n * @param obj The FulfillmentComponent object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n FulfillmentComponent calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from Execution.\n *\n * @param obj The Execution object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n Execution memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from Execution.\n *\n * @param obj The Execution object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n Execution calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from ZoneParameters.\n *\n * @param obj The ZoneParameters object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n ZoneParameters memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from ZoneParameters.\n *\n * @param obj The ZoneParameters object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n ZoneParameters calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n}\n"
},
"lib/seaport/lib/seaport-types/src/interfaces/ContractOffererInterface.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {ReceivedItem, Schema, SpentItem} from \"../lib/ConsiderationStructs.sol\";\nimport {IERC165} from \"../interfaces/IERC165.sol\";\n\n/**\n * @title ContractOffererInterface\n * @notice Contains the minimum interfaces needed to interact with a contract\n * offerer.\n */\ninterface ContractOffererInterface is IERC165 {\n /**\n * @dev Generates an order with the specified minimum and maximum spent\n * items, and optional context (supplied as extraData).\n *\n * @param fulfiller The address of the fulfiller.\n * @param minimumReceived The minimum items that the caller is willing to\n * receive.\n * @param maximumSpent The maximum items the caller is willing to spend.\n * @param context Additional context of the order.\n *\n * @return offer A tuple containing the offer items.\n * @return consideration A tuple containing the consideration items.\n */\n function generateOrder(\n address fulfiller,\n SpentItem[] calldata minimumReceived,\n SpentItem[] calldata maximumSpent,\n bytes calldata context // encoded based on the schemaID\n ) external returns (SpentItem[] memory offer, ReceivedItem[] memory consideration);\n\n /**\n * @dev Ratifies an order with the specified offer, consideration, and\n * optional context (supplied as extraData).\n *\n * @param offer The offer items.\n * @param consideration The consideration items.\n * @param context Additional context of the order.\n * @param orderHashes The hashes to ratify.\n * @param contractNonce The nonce of the contract.\n *\n * @return ratifyOrderMagicValue The magic value returned by the contract\n * offerer.\n */\n function ratifyOrder(\n SpentItem[] calldata offer,\n ReceivedItem[] calldata consideration,\n bytes calldata context, // encoded based on the schemaID\n bytes32[] calldata orderHashes,\n uint256 contractNonce\n ) external returns (bytes4 ratifyOrderMagicValue);\n\n /**\n * @dev View function to preview an order generated in response to a minimum\n * set of received items, maximum set of spent items, and context\n * (supplied as extraData).\n *\n * @param caller The address of the caller (e.g. Seaport).\n * @param fulfiller The address of the fulfiller (e.g. the account\n * calling Seaport).\n * @param minimumReceived The minimum items that the caller is willing to\n * receive.\n * @param maximumSpent The maximum items the caller is willing to spend.\n * @param context Additional context of the order.\n *\n * @return offer A tuple containing the offer items.\n * @return consideration A tuple containing the consideration items.\n */\n function previewOrder(\n address caller,\n address fulfiller,\n SpentItem[] calldata minimumReceived,\n SpentItem[] calldata maximumSpent,\n bytes calldata context // encoded based on the schemaID\n ) external view returns (SpentItem[] memory offer, ReceivedItem[] memory consideration);\n\n /**\n * @dev Gets the metadata for this contract offerer.\n *\n * @return name The name of the contract offerer.\n * @return schemas The schemas supported by the contract offerer.\n */\n function getSeaportMetadata() external view returns (string memory name, Schema[] memory schemas); // map to Seaport Improvement Proposal IDs\n\n function supportsInterface(bytes4 interfaceId) external view override returns (bool);\n\n // Additional functions and/or events based on implemented schemaIDs\n}\n"
},
"lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.19;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"src/interfaces/ISeaDropTokenContractMetadata.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\ninterface ISeaDropTokenContractMetadata {\n /**\n * @dev Emit an event for token metadata reveals/updates,\n * according to EIP-4906.\n *\n * @param _fromTokenId The start token id.\n * @param _toTokenId The end token id.\n */\n event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);\n\n /**\n * @dev Emit an event when the URI for the collection-level metadata\n * is updated.\n */\n event ContractURIUpdated(string newContractURI);\n\n /**\n * @dev Emit an event with the previous and new provenance hash after\n * being updated.\n */\n event ProvenanceHashUpdated(bytes32 previousHash, bytes32 newHash);\n\n /**\n * @dev Emit an event when the EIP-2981 royalty info is updated.\n */\n event RoyaltyInfoUpdated(address receiver, uint256 basisPoints);\n\n /**\n * @notice Throw if the max supply exceeds uint64, a limit\n * due to the storage of bit-packed variables.\n */\n error CannotExceedMaxSupplyOfUint64(uint256 got);\n\n /**\n * @dev Revert with an error when attempting to set the provenance\n * hash after the mint has started.\n */\n error ProvenanceHashCannotBeSetAfterMintStarted();\n\n /**\n * @dev Revert with an error when attempting to set the provenance\n * hash after it has already been set.\n */\n error ProvenanceHashCannotBeSetAfterAlreadyBeingSet();\n\n /**\n * @notice Sets the base URI for the token metadata and emits an event.\n *\n * @param tokenURI The new base URI to set.\n */\n function setBaseURI(string calldata tokenURI) external;\n\n /**\n * @notice Sets the contract URI for contract metadata.\n *\n * @param newContractURI The new contract URI.\n */\n function setContractURI(string calldata newContractURI) external;\n\n /**\n * @notice Sets the provenance hash and emits an event.\n *\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it has not been\n * modified after mint started.\n *\n * This function will revert after the first item has been minted.\n *\n * @param newProvenanceHash The new provenance hash to set.\n */\n function setProvenanceHash(bytes32 newProvenanceHash) external;\n\n /**\n * @notice Sets the default royalty information.\n *\n * Requirements:\n *\n * - `receiver` cannot be the zero address.\n * - `feeNumerator` cannot be greater than the fee denominator of\n * 10_000 basis points.\n */\n function setDefaultRoyalty(address receiver, uint96 feeNumerator) external;\n\n /**\n * @notice Returns the base URI for token metadata.\n */\n function baseURI() external view returns (string memory);\n\n /**\n * @notice Returns the contract URI.\n */\n function contractURI() external view returns (string memory);\n\n /**\n * @notice Returns the provenance hash.\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it is unmodified\n * after mint has started.\n */\n function provenanceHash() external view returns (bytes32);\n}\n"
},
"src/interfaces/IERC1155ContractMetadata.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n ISeaDropTokenContractMetadata\n} from \"./ISeaDropTokenContractMetadata.sol\";\n\ninterface IERC1155ContractMetadata is ISeaDropTokenContractMetadata {\n /**\n * @dev A struct representing the supply info for a token id,\n * packed into one storage slot.\n *\n * @param maxSupply The max supply for the token id.\n * @param totalSupply The total token supply for the token id.\n * Subtracted when an item is burned.\n * @param totalMinted The total number of tokens minted for the token id.\n */\n struct TokenSupply {\n uint64 maxSupply; // 64/256 bits\n uint64 totalSupply; // 128/256 bits\n uint64 totalMinted; // 192/256 bits\n }\n\n /**\n * @dev Emit an event when the max token supply for a token id is updated.\n */\n event MaxSupplyUpdated(uint256 tokenId, uint256 newMaxSupply);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply.\n */\n error MintExceedsMaxSupply(uint256 total, uint256 maxSupply);\n\n /**\n * @notice Sets the max supply for a token id and emits an event.\n *\n * @param tokenId The token id to set the max supply for.\n * @param newMaxSupply The new max supply to set.\n */\n function setMaxSupply(uint256 tokenId, uint256 newMaxSupply) external;\n\n /**\n * @notice Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @notice Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @notice Returns the max token supply for a token id.\n */\n function maxSupply(uint256 tokenId) external view returns (uint256);\n\n /**\n * @notice Returns the total supply for a token id.\n */\n function totalSupply(uint256 tokenId) external view returns (uint256);\n\n /**\n * @notice Returns the total minted for a token id.\n */\n function totalMinted(uint256 tokenId) external view returns (uint256);\n}\n"
},
"lib/solady/src/tokens/ERC2981.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\n/// @notice Simple ERC2981 NFT Royalty Standard implementation.\n/// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC2981.sol)\n/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/common/ERC2981.sol)\nabstract contract ERC2981 {\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* CUSTOM ERRORS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The royalty fee numerator exceeds the fee denominator.\n error RoyaltyOverflow();\n\n /// @dev The royalty receiver cannot be the zero address.\n error RoyaltyReceiverIsZeroAddress();\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* STORAGE */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The default royalty info is given by:\n /// ```\n /// let packed := sload(_ERC2981_MASTER_SLOT_SEED)\n /// let receiver := shr(96, packed)\n /// let royaltyFraction := xor(packed, shl(96, receiver))\n /// ```\n ///\n /// The per token royalty info is given by.\n /// ```\n /// mstore(0x00, tokenId)\n /// mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n /// let packed := sload(keccak256(0x00, 0x40))\n /// let receiver := shr(96, packed)\n /// let royaltyFraction := xor(packed, shl(96, receiver))\n /// ```\n uint256 private constant _ERC2981_MASTER_SLOT_SEED = 0xaa4ec00224afccfdb7;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* ERC2981 */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Checks that `_feeDenominator` is non-zero.\n constructor() {\n require(_feeDenominator() != 0, \"Fee denominator cannot be zero.\");\n }\n\n /// @dev Returns the denominator for the royalty amount.\n /// Defaults to 10000, which represents fees in basis points.\n /// Override this function to return a custom amount if needed.\n function _feeDenominator() internal pure virtual returns (uint96) {\n return 10000;\n }\n\n /// @dev Returns true if this contract implements the interface defined by `interfaceId`.\n /// See: https://eips.ethereum.org/EIPS/eip-165\n /// This function call must use less than 30000 gas.\n function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {\n /// @solidity memory-safe-assembly\n assembly {\n let s := shr(224, interfaceId)\n // ERC165: 0x01ffc9a7, ERC2981: 0x2a55205a.\n result := or(eq(s, 0x01ffc9a7), eq(s, 0x2a55205a))\n }\n }\n\n /// @dev Returns the `receiver` and `royaltyAmount` for `tokenId` sold at `salePrice`.\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n public\n view\n virtual\n returns (address receiver, uint256 royaltyAmount)\n {\n uint256 feeDenominator = _feeDenominator();\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, tokenId)\n mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n let packed := sload(keccak256(0x00, 0x40))\n receiver := shr(96, packed)\n if iszero(receiver) {\n packed := sload(mload(0x20))\n receiver := shr(96, packed)\n }\n let x := salePrice\n let y := xor(packed, shl(96, receiver)) // `feeNumerator`.\n // Overflow check, equivalent to `require(y == 0 || x <= type(uint256).max / y)`.\n // Out-of-gas revert. Should not be triggered in practice, but included for safety.\n returndatacopy(returndatasize(), returndatasize(), mul(y, gt(x, div(not(0), y))))\n royaltyAmount := div(mul(x, y), feeDenominator)\n }\n }\n\n /// @dev Sets the default royalty `receiver` and `feeNumerator`.\n ///\n /// Requirements:\n /// - `receiver` must not be the zero address.\n /// - `feeNumerator` must not be greater than the fee denominator.\n function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {\n uint256 feeDenominator = _feeDenominator();\n /// @solidity memory-safe-assembly\n assembly {\n feeNumerator := shr(160, shl(160, feeNumerator))\n if gt(feeNumerator, feeDenominator) {\n mstore(0x00, 0x350a88b3) // `RoyaltyOverflow()`.\n revert(0x1c, 0x04)\n }\n let packed := shl(96, receiver)\n if iszero(packed) {\n mstore(0x00, 0xb4457eaa) // `RoyaltyReceiverIsZeroAddress()`.\n revert(0x1c, 0x04)\n }\n sstore(_ERC2981_MASTER_SLOT_SEED, or(packed, feeNumerator))\n }\n }\n\n /// @dev Sets the default royalty `receiver` and `feeNumerator` to zero.\n function _deleteDefaultRoyalty() internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n sstore(_ERC2981_MASTER_SLOT_SEED, 0)\n }\n }\n\n /// @dev Sets the royalty `receiver` and `feeNumerator` for `tokenId`.\n ///\n /// Requirements:\n /// - `receiver` must not be the zero address.\n /// - `feeNumerator` must not be greater than the fee denominator.\n function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator)\n internal\n virtual\n {\n uint256 feeDenominator = _feeDenominator();\n /// @solidity memory-safe-assembly\n assembly {\n feeNumerator := shr(160, shl(160, feeNumerator))\n if gt(feeNumerator, feeDenominator) {\n mstore(0x00, 0x350a88b3) // `RoyaltyOverflow()`.\n revert(0x1c, 0x04)\n }\n let packed := shl(96, receiver)\n if iszero(packed) {\n mstore(0x00, 0xb4457eaa) // `RoyaltyReceiverIsZeroAddress()`.\n revert(0x1c, 0x04)\n }\n mstore(0x00, tokenId)\n mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n sstore(keccak256(0x00, 0x40), or(packed, feeNumerator))\n }\n }\n\n /// @dev Sets the royalty `receiver` and `feeNumerator` for `tokenId` to zero.\n function _resetTokenRoyalty(uint256 tokenId) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, tokenId)\n mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n sstore(keccak256(0x00, 0x40), 0)\n }\n }\n}\n"
},
"lib/solady/src/auth/Ownable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\n/// @notice Simple single owner authorization mixin.\n/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)\n/// @dev While the ownable portion follows\n/// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility,\n/// the nomenclature for the 2-step ownership handover may be unique to this codebase.\nabstract contract Ownable {\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* CUSTOM ERRORS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The caller is not authorized to call the function.\n error Unauthorized();\n\n /// @dev The `newOwner` cannot be the zero address.\n error NewOwnerIsZeroAddress();\n\n /// @dev The `pendingOwner` does not have a valid handover request.\n error NoHandoverRequest();\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* EVENTS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The ownership is transferred from `oldOwner` to `newOwner`.\n /// This event is intentionally kept the same as OpenZeppelin's Ownable to be\n /// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173),\n /// despite it not being as lightweight as a single argument event.\n event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);\n\n /// @dev An ownership handover to `pendingOwner` has been requested.\n event OwnershipHandoverRequested(address indexed pendingOwner);\n\n /// @dev The ownership handover to `pendingOwner` has been canceled.\n event OwnershipHandoverCanceled(address indexed pendingOwner);\n\n /// @dev `keccak256(bytes(\"OwnershipTransferred(address,address)\"))`.\n uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE =\n 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0;\n\n /// @dev `keccak256(bytes(\"OwnershipHandoverRequested(address)\"))`.\n uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE =\n 0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d;\n\n /// @dev `keccak256(bytes(\"OwnershipHandoverCanceled(address)\"))`.\n uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE =\n 0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* STORAGE */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The owner slot is given by: `not(_OWNER_SLOT_NOT)`.\n /// It is intentionally chosen to be a high value\n /// to avoid collision with lower slots.\n /// The choice of manual storage layout is to enable compatibility\n /// with both regular and upgradeable contracts.\n uint256 private constant _OWNER_SLOT_NOT = 0x8b78c6d8;\n\n /// The ownership handover slot of `newOwner` is given by:\n /// ```\n /// mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED))\n /// let handoverSlot := keccak256(0x00, 0x20)\n /// ```\n /// It stores the expiry timestamp of the two-step ownership handover.\n uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Initializes the owner directly without authorization guard.\n /// This function must be called upon initialization,\n /// regardless of whether the contract is upgradeable or not.\n /// This is to enable generalization to both regular and upgradeable contracts,\n /// and to save gas in case the initial owner is not the caller.\n /// For performance reasons, this function will not check if there\n /// is an existing owner.\n function _initializeOwner(address newOwner) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Clean the upper 96 bits.\n newOwner := shr(96, shl(96, newOwner))\n // Store the new value.\n sstore(not(_OWNER_SLOT_NOT), newOwner)\n // Emit the {OwnershipTransferred} event.\n log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)\n }\n }\n\n /// @dev Sets the owner directly without authorization guard.\n function _setOwner(address newOwner) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n let ownerSlot := not(_OWNER_SLOT_NOT)\n // Clean the upper 96 bits.\n newOwner := shr(96, shl(96, newOwner))\n // Emit the {OwnershipTransferred} event.\n log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)\n // Store the new value.\n sstore(ownerSlot, newOwner)\n }\n }\n\n /// @dev Throws if the sender is not the owner.\n function _checkOwner() internal view virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // If the caller is not the stored owner, revert.\n if iszero(eq(caller(), sload(not(_OWNER_SLOT_NOT)))) {\n mstore(0x00, 0x82b42900) // `Unauthorized()`.\n revert(0x1c, 0x04)\n }\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* PUBLIC UPDATE FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Allows the owner to transfer the ownership to `newOwner`.\n function transferOwnership(address newOwner) public payable virtual onlyOwner {\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(shl(96, newOwner)) {\n mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`.\n revert(0x1c, 0x04)\n }\n }\n _setOwner(newOwner);\n }\n\n /// @dev Allows the owner to renounce their ownership.\n function renounceOwnership() public payable virtual onlyOwner {\n _setOwner(address(0));\n }\n\n /// @dev Request a two-step ownership handover to the caller.\n /// The request will automatically expire in 48 hours (172800 seconds) by default.\n function requestOwnershipHandover() public payable virtual {\n unchecked {\n uint256 expires = block.timestamp + ownershipHandoverValidFor();\n /// @solidity memory-safe-assembly\n assembly {\n // Compute and set the handover slot to `expires`.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, caller())\n sstore(keccak256(0x0c, 0x20), expires)\n // Emit the {OwnershipHandoverRequested} event.\n log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller())\n }\n }\n }\n\n /// @dev Cancels the two-step ownership handover to the caller, if any.\n function cancelOwnershipHandover() public payable virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Compute and set the handover slot to 0.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, caller())\n sstore(keccak256(0x0c, 0x20), 0)\n // Emit the {OwnershipHandoverCanceled} event.\n log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller())\n }\n }\n\n /// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`.\n /// Reverts if there is no existing ownership handover requested by `pendingOwner`.\n function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner {\n /// @solidity memory-safe-assembly\n assembly {\n // Compute and set the handover slot to 0.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, pendingOwner)\n let handoverSlot := keccak256(0x0c, 0x20)\n // If the handover does not exist, or has expired.\n if gt(timestamp(), sload(handoverSlot)) {\n mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`.\n revert(0x1c, 0x04)\n }\n // Set the handover slot to 0.\n sstore(handoverSlot, 0)\n }\n _setOwner(pendingOwner);\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* PUBLIC READ FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Returns the owner of the contract.\n function owner() public view virtual returns (address result) {\n /// @solidity memory-safe-assembly\n assembly {\n result := sload(not(_OWNER_SLOT_NOT))\n }\n }\n\n /// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`.\n function ownershipHandoverExpiresAt(address pendingOwner)\n public\n view\n virtual\n returns (uint256 result)\n {\n /// @solidity memory-safe-assembly\n assembly {\n // Compute the handover slot.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, pendingOwner)\n // Load the handover slot.\n result := sload(keccak256(0x0c, 0x20))\n }\n }\n\n /// @dev Returns how long a two-step ownership handover is valid for in seconds.\n function ownershipHandoverValidFor() public view virtual returns (uint64) {\n return 48 * 3600;\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* MODIFIERS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Marks a function as only callable by the owner.\n modifier onlyOwner() virtual {\n _checkOwner();\n _;\n }\n}\n"
},
"lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.19;\n\nimport \"../../utils/AddressUpgradeable.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```solidity\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n *\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n */\n uint8 private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint8 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts.\n *\n * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a\n * constructor.\n *\n * Emits an {Initialized} event.\n */\n modifier initializer() {\n bool isTopLevelCall = !_initializing;\n require(\n (isTopLevelCall && _initialized < 1) || (address(this).code.length == 0 && _initialized == 1),\n \"Initializable: contract is already initialized\"\n );\n _initialized = 1;\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * A reinitializer may be used after the original initialization step. This is essential to configure modules that\n * are added through upgrades and that require initialization.\n *\n * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n * cannot be nested. If one is invoked in the context of another, execution will revert.\n *\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n *\n * WARNING: setting the version to 255 will prevent any future reinitialization.\n *\n * Emits an {Initialized} event.\n */\n modifier reinitializer(uint8 version) {\n require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n _initialized = version;\n _initializing = true;\n _;\n _initializing = false;\n emit Initialized(version);\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n */\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n /**\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n *\n * Emits an {Initialized} event the first time it is successfully executed.\n */\n function _disableInitializers() internal virtual {\n require(!_initializing, \"Initializable: contract is initializing\");\n if (_initialized != type(uint8).max) {\n _initialized = type(uint8).max;\n emit Initialized(type(uint8).max);\n }\n }\n\n /**\n * @dev Returns the highest version that has been initialized. See {reinitializer}.\n */\n function _getInitializedVersion() internal view returns (uint8) {\n return _initialized;\n }\n\n /**\n * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.\n */\n function _isInitializing() internal view returns (bool) {\n return _initializing;\n }\n}\n"
},
"src/lib/SeaDropErrorsAndEvents.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { CreatorPayout, PublicDrop } from \"./ERC721SeaDropStructs.sol\";\n\ninterface SeaDropErrorsAndEvents {\n /**\n * @notice The SeaDrop token types, emitted as part of\n * `event SeaDropTokenDeployed`.\n */\n enum SEADROP_TOKEN_TYPE {\n ERC721_STANDARD,\n ERC721_CLONE,\n ERC721_UPGRADEABLE,\n ERC1155_STANDARD,\n ERC1155_CLONE,\n ERC1155_UPGRADEABLE\n }\n\n /**\n * @notice An event to signify that a SeaDrop token contract was deployed.\n */\n event SeaDropTokenDeployed(SEADROP_TOKEN_TYPE tokenType);\n\n /**\n * @notice Revert with an error if the function selector is not supported.\n */\n error UnsupportedFunctionSelector(bytes4 selector);\n\n /**\n * @dev Revert with an error if the drop stage is not active.\n */\n error NotActive(\n uint256 currentTimestamp,\n uint256 startTimestamp,\n uint256 endTimestamp\n );\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max allowed\n * to be minted per wallet.\n */\n error MintQuantityExceedsMaxMintedPerWallet(uint256 total, uint256 allowed);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply.\n */\n error MintQuantityExceedsMaxSupply(uint256 total, uint256 maxSupply);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply for the stage.\n * Note: The `maxTokenSupplyForStage` for public mint is\n * always `type(uint).max`.\n */\n error MintQuantityExceedsMaxTokenSupplyForStage(\n uint256 total,\n uint256 maxTokenSupplyForStage\n );\n\n /**\n * @dev Revert if the fee recipient is the zero address.\n */\n error FeeRecipientCannotBeZeroAddress();\n\n /**\n * @dev Revert if the fee recipient is not already included.\n */\n error FeeRecipientNotPresent();\n\n /**\n * @dev Revert if the fee basis points is greater than 10_000.\n */\n error InvalidFeeBps(uint256 feeBps);\n\n /**\n * @dev Revert if the fee recipient is already included.\n */\n error DuplicateFeeRecipient();\n\n /**\n * @dev Revert if the fee recipient is restricted and not allowed.\n */\n error FeeRecipientNotAllowed(address got);\n\n /**\n * @dev Revert if the creator payout address is the zero address.\n */\n error CreatorPayoutAddressCannotBeZeroAddress();\n\n /**\n * @dev Revert if the creator payouts are not set.\n */\n error CreatorPayoutsNotSet();\n\n /**\n * @dev Revert if the creator payout basis points are zero.\n */\n error CreatorPayoutBasisPointsCannotBeZero();\n\n /**\n * @dev Revert if the total basis points for the creator payouts\n * don't equal exactly 10_000.\n */\n error InvalidCreatorPayoutTotalBasisPoints(\n uint256 totalReceivedBasisPoints\n );\n\n /**\n * @dev Revert if the creator payout basis points don't add up to 10_000.\n */\n error InvalidCreatorPayoutBasisPoints(uint256 totalReceivedBasisPoints);\n\n /**\n * @dev Revert with an error if the allow list proof is invalid.\n */\n error InvalidProof();\n\n /**\n * @dev Revert if a supplied signer address is the zero address.\n */\n error SignerCannotBeZeroAddress();\n\n /**\n * @dev Revert with an error if a signer is not included in\n * the enumeration when removing.\n */\n error SignerNotPresent();\n\n /**\n * @dev Revert with an error if a payer is not included in\n * the enumeration when removing.\n */\n error PayerNotPresent();\n\n /**\n * @dev Revert with an error if a payer is already included in mapping\n * when adding.\n */\n error DuplicatePayer();\n\n /**\n * @dev Revert with an error if a signer is already included in mapping\n * when adding.\n */\n error DuplicateSigner();\n\n /**\n * @dev Revert with an error if the payer is not allowed. The minter must\n * pay for their own mint.\n */\n error PayerNotAllowed(address got);\n\n /**\n * @dev Revert if a supplied payer address is the zero address.\n */\n error PayerCannotBeZeroAddress();\n\n /**\n * @dev Revert if the start time is greater than the end time.\n */\n error InvalidStartAndEndTime(uint256 startTime, uint256 endTime);\n\n /**\n * @dev Revert with an error if the signer payment token is not the same.\n */\n error InvalidSignedPaymentToken(address got, address want);\n\n /**\n * @dev Revert with an error if supplied signed mint price is less than\n * the minimum specified.\n */\n error InvalidSignedMintPrice(\n address paymentToken,\n uint256 got,\n uint256 minimum\n );\n\n /**\n * @dev Revert with an error if supplied signed maxTotalMintableByWallet\n * is greater than the maximum specified.\n */\n error InvalidSignedMaxTotalMintableByWallet(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed\n * maxTotalMintableByWalletPerToken is greater than the maximum\n * specified.\n */\n error InvalidSignedMaxTotalMintableByWalletPerToken(\n uint256 got,\n uint256 maximum\n );\n\n /**\n * @dev Revert with an error if the fromTokenId is not within range.\n */\n error InvalidSignedFromTokenId(uint256 got, uint256 minimum);\n\n /**\n * @dev Revert with an error if the toTokenId is not within range.\n */\n error InvalidSignedToTokenId(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed start time is less than\n * the minimum specified.\n */\n error InvalidSignedStartTime(uint256 got, uint256 minimum);\n\n /**\n * @dev Revert with an error if supplied signed end time is greater than\n * the maximum specified.\n */\n error InvalidSignedEndTime(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed maxTokenSupplyForStage\n * is greater than the maximum specified.\n */\n error InvalidSignedMaxTokenSupplyForStage(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed feeBps is greater than\n * the maximum specified, or less than the minimum.\n */\n error InvalidSignedFeeBps(uint256 got, uint256 minimumOrMaximum);\n\n /**\n * @dev Revert with an error if signed mint did not specify to restrict\n * fee recipients.\n */\n error SignedMintsMustRestrictFeeRecipients();\n\n /**\n * @dev Revert with an error if a signature for a signed mint has already\n * been used.\n */\n error SignatureAlreadyUsed();\n\n /**\n * @dev Revert with an error if the contract has no balance to withdraw.\n */\n error NoBalanceToWithdraw();\n\n /**\n * @dev Revert with an error if the caller is not an allowed Seaport.\n */\n error InvalidCallerOnlyAllowedSeaport(address caller);\n\n /**\n * @dev Revert with an error if the order does not have the ERC1155 magic\n * consideration item to signify a consecutive mint.\n */\n error MustSpecifyERC1155ConsiderationItemForSeaDropMint();\n\n /**\n * @dev Revert with an error if the extra data version is not supported.\n */\n error UnsupportedExtraDataVersion(uint8 version);\n\n /**\n * @dev Revert with an error if the extra data encoding is not supported.\n */\n error InvalidExtraDataEncoding(uint8 version);\n\n /**\n * @dev Revert with an error if the provided substandard is not supported.\n */\n error InvalidSubstandard(uint8 substandard);\n\n /**\n * @dev Revert with an error if the implementation contract is called without\n * delegatecall.\n */\n error OnlyDelegateCalled();\n\n /**\n * @dev Revert with an error if the provided allowed Seaport is the\n * zero address.\n */\n error AllowedSeaportCannotBeZeroAddress();\n\n /**\n * @dev Emit an event when allowed Seaport contracts are updated.\n */\n event AllowedSeaportUpdated(address[] allowedSeaport);\n\n /**\n * @dev An event with details of a SeaDrop mint, for analytical purposes.\n *\n * @param payer The address who payed for the tx.\n * @param dropStageIndex The drop stage index. Items minted through\n * public mint have dropStageIndex of 0\n */\n event SeaDropMint(address payer, uint256 dropStageIndex);\n\n /**\n * @dev An event with updated allow list data.\n *\n * @param previousMerkleRoot The previous allow list merkle root.\n * @param newMerkleRoot The new allow list merkle root.\n * @param publicKeyURI If the allow list is encrypted, the public key\n * URIs that can decrypt the list.\n * Empty if unencrypted.\n * @param allowListURI The URI for the allow list.\n */\n event AllowListUpdated(\n bytes32 indexed previousMerkleRoot,\n bytes32 indexed newMerkleRoot,\n string[] publicKeyURI,\n string allowListURI\n );\n\n /**\n * @dev An event with updated drop URI.\n */\n event DropURIUpdated(string newDropURI);\n\n /**\n * @dev An event with the updated creator payout address.\n */\n event CreatorPayoutsUpdated(CreatorPayout[] creatorPayouts);\n\n /**\n * @dev An event with the updated allowed fee recipient.\n */\n event AllowedFeeRecipientUpdated(\n address indexed feeRecipient,\n bool indexed allowed\n );\n\n /**\n * @dev An event with the updated signer.\n */\n event SignerUpdated(address indexed signer, bool indexed allowed);\n\n /**\n * @dev An event with the updated payer.\n */\n event PayerUpdated(address indexed payer, bool indexed allowed);\n}\n"
},
"lib/seaport/lib/seaport-types/src/lib/ConsiderationEnums.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nenum OrderType {\n // 0: no partial fills, anyone can execute\n FULL_OPEN,\n\n // 1: partial fills supported, anyone can execute\n PARTIAL_OPEN,\n\n // 2: no partial fills, only offerer or zone can execute\n FULL_RESTRICTED,\n\n // 3: partial fills supported, only offerer or zone can execute\n PARTIAL_RESTRICTED,\n\n // 4: contract order type\n CONTRACT\n}\n\nenum BasicOrderType {\n // 0: no partial fills, anyone can execute\n ETH_TO_ERC721_FULL_OPEN,\n\n // 1: partial fills supported, anyone can execute\n ETH_TO_ERC721_PARTIAL_OPEN,\n\n // 2: no partial fills, only offerer or zone can execute\n ETH_TO_ERC721_FULL_RESTRICTED,\n\n // 3: partial fills supported, only offerer or zone can execute\n ETH_TO_ERC721_PARTIAL_RESTRICTED,\n\n // 4: no partial fills, anyone can execute\n ETH_TO_ERC1155_FULL_OPEN,\n\n // 5: partial fills supported, anyone can execute\n ETH_TO_ERC1155_PARTIAL_OPEN,\n\n // 6: no partial fills, only offerer or zone can execute\n ETH_TO_ERC1155_FULL_RESTRICTED,\n\n // 7: partial fills supported, only offerer or zone can execute\n ETH_TO_ERC1155_PARTIAL_RESTRICTED,\n\n // 8: no partial fills, anyone can execute\n ERC20_TO_ERC721_FULL_OPEN,\n\n // 9: partial fills supported, anyone can execute\n ERC20_TO_ERC721_PARTIAL_OPEN,\n\n // 10: no partial fills, only offerer or zone can execute\n ERC20_TO_ERC721_FULL_RESTRICTED,\n\n // 11: partial fills supported, only offerer or zone can execute\n ERC20_TO_ERC721_PARTIAL_RESTRICTED,\n\n // 12: no partial fills, anyone can execute\n ERC20_TO_ERC1155_FULL_OPEN,\n\n // 13: partial fills supported, anyone can execute\n ERC20_TO_ERC1155_PARTIAL_OPEN,\n\n // 14: no partial fills, only offerer or zone can execute\n ERC20_TO_ERC1155_FULL_RESTRICTED,\n\n // 15: partial fills supported, only offerer or zone can execute\n ERC20_TO_ERC1155_PARTIAL_RESTRICTED,\n\n // 16: no partial fills, anyone can execute\n ERC721_TO_ERC20_FULL_OPEN,\n\n // 17: partial fills supported, anyone can execute\n ERC721_TO_ERC20_PARTIAL_OPEN,\n\n // 18: no partial fills, only offerer or zone can execute\n ERC721_TO_ERC20_FULL_RESTRICTED,\n\n // 19: partial fills supported, only offerer or zone can execute\n ERC721_TO_ERC20_PARTIAL_RESTRICTED,\n\n // 20: no partial fills, anyone can execute\n ERC1155_TO_ERC20_FULL_OPEN,\n\n // 21: partial fills supported, anyone can execute\n ERC1155_TO_ERC20_PARTIAL_OPEN,\n\n // 22: no partial fills, only offerer or zone can execute\n ERC1155_TO_ERC20_FULL_RESTRICTED,\n\n // 23: partial fills supported, only offerer or zone can execute\n ERC1155_TO_ERC20_PARTIAL_RESTRICTED\n}\n\nenum BasicOrderRouteType {\n // 0: provide Ether (or other native token) to receive offered ERC721 item.\n ETH_TO_ERC721,\n\n // 1: provide Ether (or other native token) to receive offered ERC1155 item.\n ETH_TO_ERC1155,\n\n // 2: provide ERC20 item to receive offered ERC721 item.\n ERC20_TO_ERC721,\n\n // 3: provide ERC20 item to receive offered ERC1155 item.\n ERC20_TO_ERC1155,\n\n // 4: provide ERC721 item to receive offered ERC20 item.\n ERC721_TO_ERC20,\n\n // 5: provide ERC1155 item to receive offered ERC20 item.\n ERC1155_TO_ERC20\n}\n\nenum ItemType {\n // 0: ETH on mainnet, MATIC on polygon, etc.\n NATIVE,\n\n // 1: ERC20 items (ERC777 and ERC20 analogues could also technically work)\n ERC20,\n\n // 2: ERC721 items\n ERC721,\n\n // 3: ERC1155 items\n ERC1155,\n\n // 4: ERC721 items where a number of tokenIds are supported\n ERC721_WITH_CRITERIA,\n\n // 5: ERC1155 items where a number of ids are supported\n ERC1155_WITH_CRITERIA\n}\n\nenum Side {\n // 0: Items that can be spent\n OFFER,\n\n // 1: Items that must be received\n CONSIDERATION\n}\n"
},
"lib/seaport/lib/seaport-types/src/helpers/PointerLibraries.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\ntype CalldataPointer is uint256;\n\ntype ReturndataPointer is uint256;\n\ntype MemoryPointer is uint256;\n\nusing CalldataPointerLib for CalldataPointer global;\nusing MemoryPointerLib for MemoryPointer global;\nusing ReturndataPointerLib for ReturndataPointer global;\n\nusing CalldataReaders for CalldataPointer global;\nusing ReturndataReaders for ReturndataPointer global;\nusing MemoryReaders for MemoryPointer global;\nusing MemoryWriters for MemoryPointer global;\n\nCalldataPointer constant CalldataStart = CalldataPointer.wrap(0x04);\nMemoryPointer constant FreeMemoryPPtr = MemoryPointer.wrap(0x40);\nuint256 constant IdentityPrecompileAddress = 0x4;\nuint256 constant OffsetOrLengthMask = 0xffffffff;\nuint256 constant _OneWord = 0x20;\nuint256 constant _FreeMemoryPointerSlot = 0x40;\n\n/// @dev Allocates `size` bytes in memory by increasing the free memory pointer\n/// and returns the memory pointer to the first byte of the allocated region.\n// (Free functions cannot have visibility.)\n// solhint-disable-next-line func-visibility\nfunction malloc(uint256 size) pure returns (MemoryPointer mPtr) {\n assembly {\n mPtr := mload(_FreeMemoryPointerSlot)\n mstore(_FreeMemoryPointerSlot, add(mPtr, size))\n }\n}\n\n// (Free functions cannot have visibility.)\n// solhint-disable-next-line func-visibility\nfunction getFreeMemoryPointer() pure returns (MemoryPointer mPtr) {\n mPtr = FreeMemoryPPtr.readMemoryPointer();\n}\n\n// (Free functions cannot have visibility.)\n// solhint-disable-next-line func-visibility\nfunction setFreeMemoryPointer(MemoryPointer mPtr) pure {\n FreeMemoryPPtr.write(mPtr);\n}\n\nlibrary CalldataPointerLib {\n function lt(\n CalldataPointer a,\n CalldataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := lt(a, b)\n }\n }\n\n function gt(\n CalldataPointer a,\n CalldataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := gt(a, b)\n }\n }\n\n function eq(\n CalldataPointer a,\n CalldataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := eq(a, b)\n }\n }\n\n function isNull(CalldataPointer a) internal pure returns (bool b) {\n assembly {\n b := iszero(a)\n }\n }\n\n /// @dev Resolves an offset stored at `cdPtr + headOffset` to a calldata.\n /// pointer `cdPtr` must point to some parent object with a dynamic\n /// type's head stored at `cdPtr + headOffset`.\n function pptr(\n CalldataPointer cdPtr,\n uint256 headOffset\n ) internal pure returns (CalldataPointer cdPtrChild) {\n cdPtrChild = cdPtr.offset(\n cdPtr.offset(headOffset).readUint256() & OffsetOrLengthMask\n );\n }\n\n /// @dev Resolves an offset stored at `cdPtr` to a calldata pointer.\n /// `cdPtr` must point to some parent object with a dynamic type as its\n /// first member, e.g. `struct { bytes data; }`\n function pptr(\n CalldataPointer cdPtr\n ) internal pure returns (CalldataPointer cdPtrChild) {\n cdPtrChild = cdPtr.offset(cdPtr.readUint256() & OffsetOrLengthMask);\n }\n\n /// @dev Returns the calldata pointer one word after `cdPtr`.\n function next(\n CalldataPointer cdPtr\n ) internal pure returns (CalldataPointer cdPtrNext) {\n assembly {\n cdPtrNext := add(cdPtr, _OneWord)\n }\n }\n\n /// @dev Returns the calldata pointer `_offset` bytes after `cdPtr`.\n function offset(\n CalldataPointer cdPtr,\n uint256 _offset\n ) internal pure returns (CalldataPointer cdPtrNext) {\n assembly {\n cdPtrNext := add(cdPtr, _offset)\n }\n }\n\n /// @dev Copies `size` bytes from calldata starting at `src` to memory at\n /// `dst`.\n function copy(\n CalldataPointer src,\n MemoryPointer dst,\n uint256 size\n ) internal pure {\n assembly {\n calldatacopy(dst, src, size)\n }\n }\n}\n\nlibrary ReturndataPointerLib {\n function lt(\n ReturndataPointer a,\n ReturndataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := lt(a, b)\n }\n }\n\n function gt(\n ReturndataPointer a,\n ReturndataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := gt(a, b)\n }\n }\n\n function eq(\n ReturndataPointer a,\n ReturndataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := eq(a, b)\n }\n }\n\n function isNull(ReturndataPointer a) internal pure returns (bool b) {\n assembly {\n b := iszero(a)\n }\n }\n\n /// @dev Resolves an offset stored at `rdPtr + headOffset` to a returndata\n /// pointer. `rdPtr` must point to some parent object with a dynamic\n /// type's head stored at `rdPtr + headOffset`.\n function pptr(\n ReturndataPointer rdPtr,\n uint256 headOffset\n ) internal pure returns (ReturndataPointer rdPtrChild) {\n rdPtrChild = rdPtr.offset(\n rdPtr.offset(headOffset).readUint256() & OffsetOrLengthMask\n );\n }\n\n /// @dev Resolves an offset stored at `rdPtr` to a returndata pointer.\n /// `rdPtr` must point to some parent object with a dynamic type as its\n /// first member, e.g. `struct { bytes data; }`\n function pptr(\n ReturndataPointer rdPtr\n ) internal pure returns (ReturndataPointer rdPtrChild) {\n rdPtrChild = rdPtr.offset(rdPtr.readUint256() & OffsetOrLengthMask);\n }\n\n /// @dev Returns the returndata pointer one word after `cdPtr`.\n function next(\n ReturndataPointer rdPtr\n ) internal pure returns (ReturndataPointer rdPtrNext) {\n assembly {\n rdPtrNext := add(rdPtr, _OneWord)\n }\n }\n\n /// @dev Returns the returndata pointer `_offset` bytes after `cdPtr`.\n function offset(\n ReturndataPointer rdPtr,\n uint256 _offset\n ) internal pure returns (ReturndataPointer rdPtrNext) {\n assembly {\n rdPtrNext := add(rdPtr, _offset)\n }\n }\n\n /// @dev Copies `size` bytes from returndata starting at `src` to memory at\n /// `dst`.\n function copy(\n ReturndataPointer src,\n MemoryPointer dst,\n uint256 size\n ) internal pure {\n assembly {\n returndatacopy(dst, src, size)\n }\n }\n}\n\nlibrary MemoryPointerLib {\n function copy(\n MemoryPointer src,\n MemoryPointer dst,\n uint256 size\n ) internal view {\n assembly {\n let success := staticcall(\n gas(),\n IdentityPrecompileAddress,\n src,\n size,\n dst,\n size\n )\n if or(iszero(returndatasize()), iszero(success)) {\n revert(0, 0)\n }\n }\n }\n\n function lt(\n MemoryPointer a,\n MemoryPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := lt(a, b)\n }\n }\n\n function gt(\n MemoryPointer a,\n MemoryPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := gt(a, b)\n }\n }\n\n function eq(\n MemoryPointer a,\n MemoryPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := eq(a, b)\n }\n }\n\n function isNull(MemoryPointer a) internal pure returns (bool b) {\n assembly {\n b := iszero(a)\n }\n }\n\n function hash(\n MemoryPointer ptr,\n uint256 length\n ) internal pure returns (bytes32 _hash) {\n assembly {\n _hash := keccak256(ptr, length)\n }\n }\n\n /// @dev Returns the memory pointer one word after `mPtr`.\n function next(\n MemoryPointer mPtr\n ) internal pure returns (MemoryPointer mPtrNext) {\n assembly {\n mPtrNext := add(mPtr, _OneWord)\n }\n }\n\n /// @dev Returns the memory pointer `_offset` bytes after `mPtr`.\n function offset(\n MemoryPointer mPtr,\n uint256 _offset\n ) internal pure returns (MemoryPointer mPtrNext) {\n assembly {\n mPtrNext := add(mPtr, _offset)\n }\n }\n\n /// @dev Resolves a pointer at `mPtr + headOffset` to a memory\n /// pointer. `mPtr` must point to some parent object with a dynamic\n /// type's pointer stored at `mPtr + headOffset`.\n function pptr(\n MemoryPointer mPtr,\n uint256 headOffset\n ) internal pure returns (MemoryPointer mPtrChild) {\n mPtrChild = mPtr.offset(headOffset).readMemoryPointer();\n }\n\n /// @dev Resolves a pointer stored at `mPtr` to a memory pointer.\n /// `mPtr` must point to some parent object with a dynamic type as its\n /// first member, e.g. `struct { bytes data; }`\n function pptr(\n MemoryPointer mPtr\n ) internal pure returns (MemoryPointer mPtrChild) {\n mPtrChild = mPtr.readMemoryPointer();\n }\n}\n\nlibrary CalldataReaders {\n /// @dev Reads the value at `cdPtr` and applies a mask to return only the\n /// last 4 bytes.\n function readMaskedUint256(\n CalldataPointer cdPtr\n ) internal pure returns (uint256 value) {\n value = cdPtr.readUint256() & OffsetOrLengthMask;\n }\n\n /// @dev Reads the bool at `cdPtr` in calldata.\n function readBool(\n CalldataPointer cdPtr\n ) internal pure returns (bool value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the address at `cdPtr` in calldata.\n function readAddress(\n CalldataPointer cdPtr\n ) internal pure returns (address value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes1 at `cdPtr` in calldata.\n function readBytes1(\n CalldataPointer cdPtr\n ) internal pure returns (bytes1 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes2 at `cdPtr` in calldata.\n function readBytes2(\n CalldataPointer cdPtr\n ) internal pure returns (bytes2 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes3 at `cdPtr` in calldata.\n function readBytes3(\n CalldataPointer cdPtr\n ) internal pure returns (bytes3 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes4 at `cdPtr` in calldata.\n function readBytes4(\n CalldataPointer cdPtr\n ) internal pure returns (bytes4 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes5 at `cdPtr` in calldata.\n function readBytes5(\n CalldataPointer cdPtr\n ) internal pure returns (bytes5 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes6 at `cdPtr` in calldata.\n function readBytes6(\n CalldataPointer cdPtr\n ) internal pure returns (bytes6 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes7 at `cdPtr` in calldata.\n function readBytes7(\n CalldataPointer cdPtr\n ) internal pure returns (bytes7 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes8 at `cdPtr` in calldata.\n function readBytes8(\n CalldataPointer cdPtr\n ) internal pure returns (bytes8 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes9 at `cdPtr` in calldata.\n function readBytes9(\n CalldataPointer cdPtr\n ) internal pure returns (bytes9 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes10 at `cdPtr` in calldata.\n function readBytes10(\n CalldataPointer cdPtr\n ) internal pure returns (bytes10 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes11 at `cdPtr` in calldata.\n function readBytes11(\n CalldataPointer cdPtr\n ) internal pure returns (bytes11 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes12 at `cdPtr` in calldata.\n function readBytes12(\n CalldataPointer cdPtr\n ) internal pure returns (bytes12 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes13 at `cdPtr` in calldata.\n function readBytes13(\n CalldataPointer cdPtr\n ) internal pure returns (bytes13 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes14 at `cdPtr` in calldata.\n function readBytes14(\n CalldataPointer cdPtr\n ) internal pure returns (bytes14 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes15 at `cdPtr` in calldata.\n function readBytes15(\n CalldataPointer cdPtr\n ) internal pure returns (bytes15 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes16 at `cdPtr` in calldata.\n function readBytes16(\n CalldataPointer cdPtr\n ) internal pure returns (bytes16 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes17 at `cdPtr` in calldata.\n function readBytes17(\n CalldataPointer cdPtr\n ) internal pure returns (bytes17 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes18 at `cdPtr` in calldata.\n function readBytes18(\n CalldataPointer cdPtr\n ) internal pure returns (bytes18 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes19 at `cdPtr` in calldata.\n function readBytes19(\n CalldataPointer cdPtr\n ) internal pure returns (bytes19 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes20 at `cdPtr` in calldata.\n function readBytes20(\n CalldataPointer cdPtr\n ) internal pure returns (bytes20 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes21 at `cdPtr` in calldata.\n function readBytes21(\n CalldataPointer cdPtr\n ) internal pure returns (bytes21 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes22 at `cdPtr` in calldata.\n function readBytes22(\n CalldataPointer cdPtr\n ) internal pure returns (bytes22 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes23 at `cdPtr` in calldata.\n function readBytes23(\n CalldataPointer cdPtr\n ) internal pure returns (bytes23 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes24 at `cdPtr` in calldata.\n function readBytes24(\n CalldataPointer cdPtr\n ) internal pure returns (bytes24 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes25 at `cdPtr` in calldata.\n function readBytes25(\n CalldataPointer cdPtr\n ) internal pure returns (bytes25 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes26 at `cdPtr` in calldata.\n function readBytes26(\n CalldataPointer cdPtr\n ) internal pure returns (bytes26 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes27 at `cdPtr` in calldata.\n function readBytes27(\n CalldataPointer cdPtr\n ) internal pure returns (bytes27 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes28 at `cdPtr` in calldata.\n function readBytes28(\n CalldataPointer cdPtr\n ) internal pure returns (bytes28 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes29 at `cdPtr` in calldata.\n function readBytes29(\n CalldataPointer cdPtr\n ) internal pure returns (bytes29 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes30 at `cdPtr` in calldata.\n function readBytes30(\n CalldataPointer cdPtr\n ) internal pure returns (bytes30 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes31 at `cdPtr` in calldata.\n function readBytes31(\n CalldataPointer cdPtr\n ) internal pure returns (bytes31 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes32 at `cdPtr` in calldata.\n function readBytes32(\n CalldataPointer cdPtr\n ) internal pure returns (bytes32 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint8 at `cdPtr` in calldata.\n function readUint8(\n CalldataPointer cdPtr\n ) internal pure returns (uint8 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint16 at `cdPtr` in calldata.\n function readUint16(\n CalldataPointer cdPtr\n ) internal pure returns (uint16 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint24 at `cdPtr` in calldata.\n function readUint24(\n CalldataPointer cdPtr\n ) internal pure returns (uint24 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint32 at `cdPtr` in calldata.\n function readUint32(\n CalldataPointer cdPtr\n ) internal pure returns (uint32 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint40 at `cdPtr` in calldata.\n function readUint40(\n CalldataPointer cdPtr\n ) internal pure returns (uint40 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint48 at `cdPtr` in calldata.\n function readUint48(\n CalldataPointer cdPtr\n ) internal pure returns (uint48 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint56 at `cdPtr` in calldata.\n function readUint56(\n CalldataPointer cdPtr\n ) internal pure returns (uint56 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint64 at `cdPtr` in calldata.\n function readUint64(\n CalldataPointer cdPtr\n ) internal pure returns (uint64 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint72 at `cdPtr` in calldata.\n function readUint72(\n CalldataPointer cdPtr\n ) internal pure returns (uint72 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint80 at `cdPtr` in calldata.\n function readUint80(\n CalldataPointer cdPtr\n ) internal pure returns (uint80 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint88 at `cdPtr` in calldata.\n function readUint88(\n CalldataPointer cdPtr\n ) internal pure returns (uint88 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint96 at `cdPtr` in calldata.\n function readUint96(\n CalldataPointer cdPtr\n ) internal pure returns (uint96 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint104 at `cdPtr` in calldata.\n function readUint104(\n CalldataPointer cdPtr\n ) internal pure returns (uint104 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint112 at `cdPtr` in calldata.\n function readUint112(\n CalldataPointer cdPtr\n ) internal pure returns (uint112 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint120 at `cdPtr` in calldata.\n function readUint120(\n CalldataPointer cdPtr\n ) internal pure returns (uint120 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint128 at `cdPtr` in calldata.\n function readUint128(\n CalldataPointer cdPtr\n ) internal pure returns (uint128 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint136 at `cdPtr` in calldata.\n function readUint136(\n CalldataPointer cdPtr\n ) internal pure returns (uint136 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint144 at `cdPtr` in calldata.\n function readUint144(\n CalldataPointer cdPtr\n ) internal pure returns (uint144 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint152 at `cdPtr` in calldata.\n function readUint152(\n CalldataPointer cdPtr\n ) internal pure returns (uint152 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint160 at `cdPtr` in calldata.\n function readUint160(\n CalldataPointer cdPtr\n ) internal pure returns (uint160 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint168 at `cdPtr` in calldata.\n function readUint168(\n CalldataPointer cdPtr\n ) internal pure returns (uint168 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint176 at `cdPtr` in calldata.\n function readUint176(\n CalldataPointer cdPtr\n ) internal pure returns (uint176 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint184 at `cdPtr` in calldata.\n function readUint184(\n CalldataPointer cdPtr\n ) internal pure returns (uint184 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint192 at `cdPtr` in calldata.\n function readUint192(\n CalldataPointer cdPtr\n ) internal pure returns (uint192 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint200 at `cdPtr` in calldata.\n function readUint200(\n CalldataPointer cdPtr\n ) internal pure returns (uint200 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint208 at `cdPtr` in calldata.\n function readUint208(\n CalldataPointer cdPtr\n ) internal pure returns (uint208 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint216 at `cdPtr` in calldata.\n function readUint216(\n CalldataPointer cdPtr\n ) internal pure returns (uint216 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint224 at `cdPtr` in calldata.\n function readUint224(\n CalldataPointer cdPtr\n ) internal pure returns (uint224 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint232 at `cdPtr` in calldata.\n function readUint232(\n CalldataPointer cdPtr\n ) internal pure returns (uint232 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint240 at `cdPtr` in calldata.\n function readUint240(\n CalldataPointer cdPtr\n ) internal pure returns (uint240 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint248 at `cdPtr` in calldata.\n function readUint248(\n CalldataPointer cdPtr\n ) internal pure returns (uint248 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint256 at `cdPtr` in calldata.\n function readUint256(\n CalldataPointer cdPtr\n ) internal pure returns (uint256 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int8 at `cdPtr` in calldata.\n function readInt8(\n CalldataPointer cdPtr\n ) internal pure returns (int8 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int16 at `cdPtr` in calldata.\n function readInt16(\n CalldataPointer cdPtr\n ) internal pure returns (int16 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int24 at `cdPtr` in calldata.\n function readInt24(\n CalldataPointer cdPtr\n ) internal pure returns (int24 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int32 at `cdPtr` in calldata.\n function readInt32(\n CalldataPointer cdPtr\n ) internal pure returns (int32 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int40 at `cdPtr` in calldata.\n function readInt40(\n CalldataPointer cdPtr\n ) internal pure returns (int40 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int48 at `cdPtr` in calldata.\n function readInt48(\n CalldataPointer cdPtr\n ) internal pure returns (int48 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int56 at `cdPtr` in calldata.\n function readInt56(\n CalldataPointer cdPtr\n ) internal pure returns (int56 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int64 at `cdPtr` in calldata.\n function readInt64(\n CalldataPointer cdPtr\n ) internal pure returns (int64 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int72 at `cdPtr` in calldata.\n function readInt72(\n CalldataPointer cdPtr\n ) internal pure returns (int72 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int80 at `cdPtr` in calldata.\n function readInt80(\n CalldataPointer cdPtr\n ) internal pure returns (int80 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int88 at `cdPtr` in calldata.\n function readInt88(\n CalldataPointer cdPtr\n ) internal pure returns (int88 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int96 at `cdPtr` in calldata.\n function readInt96(\n CalldataPointer cdPtr\n ) internal pure returns (int96 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int104 at `cdPtr` in calldata.\n function readInt104(\n CalldataPointer cdPtr\n ) internal pure returns (int104 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int112 at `cdPtr` in calldata.\n function readInt112(\n CalldataPointer cdPtr\n ) internal pure returns (int112 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int120 at `cdPtr` in calldata.\n function readInt120(\n CalldataPointer cdPtr\n ) internal pure returns (int120 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int128 at `cdPtr` in calldata.\n function readInt128(\n CalldataPointer cdPtr\n ) internal pure returns (int128 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int136 at `cdPtr` in calldata.\n function readInt136(\n CalldataPointer cdPtr\n ) internal pure returns (int136 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int144 at `cdPtr` in calldata.\n function readInt144(\n CalldataPointer cdPtr\n ) internal pure returns (int144 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int152 at `cdPtr` in calldata.\n function readInt152(\n CalldataPointer cdPtr\n ) internal pure returns (int152 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int160 at `cdPtr` in calldata.\n function readInt160(\n CalldataPointer cdPtr\n ) internal pure returns (int160 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int168 at `cdPtr` in calldata.\n function readInt168(\n CalldataPointer cdPtr\n ) internal pure returns (int168 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int176 at `cdPtr` in calldata.\n function readInt176(\n CalldataPointer cdPtr\n ) internal pure returns (int176 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int184 at `cdPtr` in calldata.\n function readInt184(\n CalldataPointer cdPtr\n ) internal pure returns (int184 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int192 at `cdPtr` in calldata.\n function readInt192(\n CalldataPointer cdPtr\n ) internal pure returns (int192 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int200 at `cdPtr` in calldata.\n function readInt200(\n CalldataPointer cdPtr\n ) internal pure returns (int200 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int208 at `cdPtr` in calldata.\n function readInt208(\n CalldataPointer cdPtr\n ) internal pure returns (int208 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int216 at `cdPtr` in calldata.\n function readInt216(\n CalldataPointer cdPtr\n ) internal pure returns (int216 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int224 at `cdPtr` in calldata.\n function readInt224(\n CalldataPointer cdPtr\n ) internal pure returns (int224 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int232 at `cdPtr` in calldata.\n function readInt232(\n CalldataPointer cdPtr\n ) internal pure returns (int232 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int240 at `cdPtr` in calldata.\n function readInt240(\n CalldataPointer cdPtr\n ) internal pure returns (int240 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int248 at `cdPtr` in calldata.\n function readInt248(\n CalldataPointer cdPtr\n ) internal pure returns (int248 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int256 at `cdPtr` in calldata.\n function readInt256(\n CalldataPointer cdPtr\n ) internal pure returns (int256 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n}\n\nlibrary ReturndataReaders {\n /// @dev Reads value at `rdPtr` & applies a mask to return only last 4 bytes\n function readMaskedUint256(\n ReturndataPointer rdPtr\n ) internal pure returns (uint256 value) {\n value = rdPtr.readUint256() & OffsetOrLengthMask;\n }\n\n /// @dev Reads the bool at `rdPtr` in returndata.\n function readBool(\n ReturndataPointer rdPtr\n ) internal pure returns (bool value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the address at `rdPtr` in returndata.\n function readAddress(\n ReturndataPointer rdPtr\n ) internal pure returns (address value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes1 at `rdPtr` in returndata.\n function readBytes1(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes1 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes2 at `rdPtr` in returndata.\n function readBytes2(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes2 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes3 at `rdPtr` in returndata.\n function readBytes3(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes3 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes4 at `rdPtr` in returndata.\n function readBytes4(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes4 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes5 at `rdPtr` in returndata.\n function readBytes5(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes5 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes6 at `rdPtr` in returndata.\n function readBytes6(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes6 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes7 at `rdPtr` in returndata.\n function readBytes7(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes7 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes8 at `rdPtr` in returndata.\n function readBytes8(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes8 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes9 at `rdPtr` in returndata.\n function readBytes9(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes9 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes10 at `rdPtr` in returndata.\n function readBytes10(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes10 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes11 at `rdPtr` in returndata.\n function readBytes11(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes11 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes12 at `rdPtr` in returndata.\n function readBytes12(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes12 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes13 at `rdPtr` in returndata.\n function readBytes13(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes13 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes14 at `rdPtr` in returndata.\n function readBytes14(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes14 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes15 at `rdPtr` in returndata.\n function readBytes15(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes15 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes16 at `rdPtr` in returndata.\n function readBytes16(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes16 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes17 at `rdPtr` in returndata.\n function readBytes17(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes17 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes18 at `rdPtr` in returndata.\n function readBytes18(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes18 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes19 at `rdPtr` in returndata.\n function readBytes19(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes19 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes20 at `rdPtr` in returndata.\n function readBytes20(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes20 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes21 at `rdPtr` in returndata.\n function readBytes21(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes21 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes22 at `rdPtr` in returndata.\n function readBytes22(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes22 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes23 at `rdPtr` in returndata.\n function readBytes23(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes23 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes24 at `rdPtr` in returndata.\n function readBytes24(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes24 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes25 at `rdPtr` in returndata.\n function readBytes25(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes25 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes26 at `rdPtr` in returndata.\n function readBytes26(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes26 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes27 at `rdPtr` in returndata.\n function readBytes27(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes27 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes28 at `rdPtr` in returndata.\n function readBytes28(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes28 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes29 at `rdPtr` in returndata.\n function readBytes29(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes29 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes30 at `rdPtr` in returndata.\n function readBytes30(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes30 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes31 at `rdPtr` in returndata.\n function readBytes31(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes31 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes32 at `rdPtr` in returndata.\n function readBytes32(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes32 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint8 at `rdPtr` in returndata.\n function readUint8(\n ReturndataPointer rdPtr\n ) internal pure returns (uint8 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint16 at `rdPtr` in returndata.\n function readUint16(\n ReturndataPointer rdPtr\n ) internal pure returns (uint16 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint24 at `rdPtr` in returndata.\n function readUint24(\n ReturndataPointer rdPtr\n ) internal pure returns (uint24 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint32 at `rdPtr` in returndata.\n function readUint32(\n ReturndataPointer rdPtr\n ) internal pure returns (uint32 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint40 at `rdPtr` in returndata.\n function readUint40(\n ReturndataPointer rdPtr\n ) internal pure returns (uint40 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint48 at `rdPtr` in returndata.\n function readUint48(\n ReturndataPointer rdPtr\n ) internal pure returns (uint48 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint56 at `rdPtr` in returndata.\n function readUint56(\n ReturndataPointer rdPtr\n ) internal pure returns (uint56 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint64 at `rdPtr` in returndata.\n function readUint64(\n ReturndataPointer rdPtr\n ) internal pure returns (uint64 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint72 at `rdPtr` in returndata.\n function readUint72(\n ReturndataPointer rdPtr\n ) internal pure returns (uint72 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint80 at `rdPtr` in returndata.\n function readUint80(\n ReturndataPointer rdPtr\n ) internal pure returns (uint80 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint88 at `rdPtr` in returndata.\n function readUint88(\n ReturndataPointer rdPtr\n ) internal pure returns (uint88 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint96 at `rdPtr` in returndata.\n function readUint96(\n ReturndataPointer rdPtr\n ) internal pure returns (uint96 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint104 at `rdPtr` in returndata.\n function readUint104(\n ReturndataPointer rdPtr\n ) internal pure returns (uint104 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint112 at `rdPtr` in returndata.\n function readUint112(\n ReturndataPointer rdPtr\n ) internal pure returns (uint112 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint120 at `rdPtr` in returndata.\n function readUint120(\n ReturndataPointer rdPtr\n ) internal pure returns (uint120 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint128 at `rdPtr` in returndata.\n function readUint128(\n ReturndataPointer rdPtr\n ) internal pure returns (uint128 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint136 at `rdPtr` in returndata.\n function readUint136(\n ReturndataPointer rdPtr\n ) internal pure returns (uint136 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint144 at `rdPtr` in returndata.\n function readUint144(\n ReturndataPointer rdPtr\n ) internal pure returns (uint144 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint152 at `rdPtr` in returndata.\n function readUint152(\n ReturndataPointer rdPtr\n ) internal pure returns (uint152 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint160 at `rdPtr` in returndata.\n function readUint160(\n ReturndataPointer rdPtr\n ) internal pure returns (uint160 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint168 at `rdPtr` in returndata.\n function readUint168(\n ReturndataPointer rdPtr\n ) internal pure returns (uint168 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint176 at `rdPtr` in returndata.\n function readUint176(\n ReturndataPointer rdPtr\n ) internal pure returns (uint176 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint184 at `rdPtr` in returndata.\n function readUint184(\n ReturndataPointer rdPtr\n ) internal pure returns (uint184 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint192 at `rdPtr` in returndata.\n function readUint192(\n ReturndataPointer rdPtr\n ) internal pure returns (uint192 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint200 at `rdPtr` in returndata.\n function readUint200(\n ReturndataPointer rdPtr\n ) internal pure returns (uint200 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint208 at `rdPtr` in returndata.\n function readUint208(\n ReturndataPointer rdPtr\n ) internal pure returns (uint208 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint216 at `rdPtr` in returndata.\n function readUint216(\n ReturndataPointer rdPtr\n ) internal pure returns (uint216 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint224 at `rdPtr` in returndata.\n function readUint224(\n ReturndataPointer rdPtr\n ) internal pure returns (uint224 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint232 at `rdPtr` in returndata.\n function readUint232(\n ReturndataPointer rdPtr\n ) internal pure returns (uint232 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint240 at `rdPtr` in returndata.\n function readUint240(\n ReturndataPointer rdPtr\n ) internal pure returns (uint240 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint248 at `rdPtr` in returndata.\n function readUint248(\n ReturndataPointer rdPtr\n ) internal pure returns (uint248 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint256 at `rdPtr` in returndata.\n function readUint256(\n ReturndataPointer rdPtr\n ) internal pure returns (uint256 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int8 at `rdPtr` in returndata.\n function readInt8(\n ReturndataPointer rdPtr\n ) internal pure returns (int8 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int16 at `rdPtr` in returndata.\n function readInt16(\n ReturndataPointer rdPtr\n ) internal pure returns (int16 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int24 at `rdPtr` in returndata.\n function readInt24(\n ReturndataPointer rdPtr\n ) internal pure returns (int24 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int32 at `rdPtr` in returndata.\n function readInt32(\n ReturndataPointer rdPtr\n ) internal pure returns (int32 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int40 at `rdPtr` in returndata.\n function readInt40(\n ReturndataPointer rdPtr\n ) internal pure returns (int40 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int48 at `rdPtr` in returndata.\n function readInt48(\n ReturndataPointer rdPtr\n ) internal pure returns (int48 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int56 at `rdPtr` in returndata.\n function readInt56(\n ReturndataPointer rdPtr\n ) internal pure returns (int56 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int64 at `rdPtr` in returndata.\n function readInt64(\n ReturndataPointer rdPtr\n ) internal pure returns (int64 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int72 at `rdPtr` in returndata.\n function readInt72(\n ReturndataPointer rdPtr\n ) internal pure returns (int72 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int80 at `rdPtr` in returndata.\n function readInt80(\n ReturndataPointer rdPtr\n ) internal pure returns (int80 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int88 at `rdPtr` in returndata.\n function readInt88(\n ReturndataPointer rdPtr\n ) internal pure returns (int88 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int96 at `rdPtr` in returndata.\n function readInt96(\n ReturndataPointer rdPtr\n ) internal pure returns (int96 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int104 at `rdPtr` in returndata.\n function readInt104(\n ReturndataPointer rdPtr\n ) internal pure returns (int104 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int112 at `rdPtr` in returndata.\n function readInt112(\n ReturndataPointer rdPtr\n ) internal pure returns (int112 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int120 at `rdPtr` in returndata.\n function readInt120(\n ReturndataPointer rdPtr\n ) internal pure returns (int120 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int128 at `rdPtr` in returndata.\n function readInt128(\n ReturndataPointer rdPtr\n ) internal pure returns (int128 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int136 at `rdPtr` in returndata.\n function readInt136(\n ReturndataPointer rdPtr\n ) internal pure returns (int136 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int144 at `rdPtr` in returndata.\n function readInt144(\n ReturndataPointer rdPtr\n ) internal pure returns (int144 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int152 at `rdPtr` in returndata.\n function readInt152(\n ReturndataPointer rdPtr\n ) internal pure returns (int152 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int160 at `rdPtr` in returndata.\n function readInt160(\n ReturndataPointer rdPtr\n ) internal pure returns (int160 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int168 at `rdPtr` in returndata.\n function readInt168(\n ReturndataPointer rdPtr\n ) internal pure returns (int168 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int176 at `rdPtr` in returndata.\n function readInt176(\n ReturndataPointer rdPtr\n ) internal pure returns (int176 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int184 at `rdPtr` in returndata.\n function readInt184(\n ReturndataPointer rdPtr\n ) internal pure returns (int184 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int192 at `rdPtr` in returndata.\n function readInt192(\n ReturndataPointer rdPtr\n ) internal pure returns (int192 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int200 at `rdPtr` in returndata.\n function readInt200(\n ReturndataPointer rdPtr\n ) internal pure returns (int200 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int208 at `rdPtr` in returndata.\n function readInt208(\n ReturndataPointer rdPtr\n ) internal pure returns (int208 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int216 at `rdPtr` in returndata.\n function readInt216(\n ReturndataPointer rdPtr\n ) internal pure returns (int216 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int224 at `rdPtr` in returndata.\n function readInt224(\n ReturndataPointer rdPtr\n ) internal pure returns (int224 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int232 at `rdPtr` in returndata.\n function readInt232(\n ReturndataPointer rdPtr\n ) internal pure returns (int232 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int240 at `rdPtr` in returndata.\n function readInt240(\n ReturndataPointer rdPtr\n ) internal pure returns (int240 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int248 at `rdPtr` in returndata.\n function readInt248(\n ReturndataPointer rdPtr\n ) internal pure returns (int248 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int256 at `rdPtr` in returndata.\n function readInt256(\n ReturndataPointer rdPtr\n ) internal pure returns (int256 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n}\n\nlibrary MemoryReaders {\n /// @dev Reads the memory pointer at `mPtr` in memory.\n function readMemoryPointer(\n MemoryPointer mPtr\n ) internal pure returns (MemoryPointer value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads value at `mPtr` & applies a mask to return only last 4 bytes\n function readMaskedUint256(\n MemoryPointer mPtr\n ) internal pure returns (uint256 value) {\n value = mPtr.readUint256() & OffsetOrLengthMask;\n }\n\n /// @dev Reads the bool at `mPtr` in memory.\n function readBool(MemoryPointer mPtr) internal pure returns (bool value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the address at `mPtr` in memory.\n function readAddress(\n MemoryPointer mPtr\n ) internal pure returns (address value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes1 at `mPtr` in memory.\n function readBytes1(\n MemoryPointer mPtr\n ) internal pure returns (bytes1 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes2 at `mPtr` in memory.\n function readBytes2(\n MemoryPointer mPtr\n ) internal pure returns (bytes2 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes3 at `mPtr` in memory.\n function readBytes3(\n MemoryPointer mPtr\n ) internal pure returns (bytes3 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes4 at `mPtr` in memory.\n function readBytes4(\n MemoryPointer mPtr\n ) internal pure returns (bytes4 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes5 at `mPtr` in memory.\n function readBytes5(\n MemoryPointer mPtr\n ) internal pure returns (bytes5 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes6 at `mPtr` in memory.\n function readBytes6(\n MemoryPointer mPtr\n ) internal pure returns (bytes6 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes7 at `mPtr` in memory.\n function readBytes7(\n MemoryPointer mPtr\n ) internal pure returns (bytes7 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes8 at `mPtr` in memory.\n function readBytes8(\n MemoryPointer mPtr\n ) internal pure returns (bytes8 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes9 at `mPtr` in memory.\n function readBytes9(\n MemoryPointer mPtr\n ) internal pure returns (bytes9 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes10 at `mPtr` in memory.\n function readBytes10(\n MemoryPointer mPtr\n ) internal pure returns (bytes10 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes11 at `mPtr` in memory.\n function readBytes11(\n MemoryPointer mPtr\n ) internal pure returns (bytes11 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes12 at `mPtr` in memory.\n function readBytes12(\n MemoryPointer mPtr\n ) internal pure returns (bytes12 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes13 at `mPtr` in memory.\n function readBytes13(\n MemoryPointer mPtr\n ) internal pure returns (bytes13 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes14 at `mPtr` in memory.\n function readBytes14(\n MemoryPointer mPtr\n ) internal pure returns (bytes14 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes15 at `mPtr` in memory.\n function readBytes15(\n MemoryPointer mPtr\n ) internal pure returns (bytes15 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes16 at `mPtr` in memory.\n function readBytes16(\n MemoryPointer mPtr\n ) internal pure returns (bytes16 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes17 at `mPtr` in memory.\n function readBytes17(\n MemoryPointer mPtr\n ) internal pure returns (bytes17 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes18 at `mPtr` in memory.\n function readBytes18(\n MemoryPointer mPtr\n ) internal pure returns (bytes18 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes19 at `mPtr` in memory.\n function readBytes19(\n MemoryPointer mPtr\n ) internal pure returns (bytes19 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes20 at `mPtr` in memory.\n function readBytes20(\n MemoryPointer mPtr\n ) internal pure returns (bytes20 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes21 at `mPtr` in memory.\n function readBytes21(\n MemoryPointer mPtr\n ) internal pure returns (bytes21 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes22 at `mPtr` in memory.\n function readBytes22(\n MemoryPointer mPtr\n ) internal pure returns (bytes22 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes23 at `mPtr` in memory.\n function readBytes23(\n MemoryPointer mPtr\n ) internal pure returns (bytes23 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes24 at `mPtr` in memory.\n function readBytes24(\n MemoryPointer mPtr\n ) internal pure returns (bytes24 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes25 at `mPtr` in memory.\n function readBytes25(\n MemoryPointer mPtr\n ) internal pure returns (bytes25 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes26 at `mPtr` in memory.\n function readBytes26(\n MemoryPointer mPtr\n ) internal pure returns (bytes26 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes27 at `mPtr` in memory.\n function readBytes27(\n MemoryPointer mPtr\n ) internal pure returns (bytes27 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes28 at `mPtr` in memory.\n function readBytes28(\n MemoryPointer mPtr\n ) internal pure returns (bytes28 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes29 at `mPtr` in memory.\n function readBytes29(\n MemoryPointer mPtr\n ) internal pure returns (bytes29 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes30 at `mPtr` in memory.\n function readBytes30(\n MemoryPointer mPtr\n ) internal pure returns (bytes30 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes31 at `mPtr` in memory.\n function readBytes31(\n MemoryPointer mPtr\n ) internal pure returns (bytes31 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes32 at `mPtr` in memory.\n function readBytes32(\n MemoryPointer mPtr\n ) internal pure returns (bytes32 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint8 at `mPtr` in memory.\n function readUint8(MemoryPointer mPtr) internal pure returns (uint8 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint16 at `mPtr` in memory.\n function readUint16(\n MemoryPointer mPtr\n ) internal pure returns (uint16 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint24 at `mPtr` in memory.\n function readUint24(\n MemoryPointer mPtr\n ) internal pure returns (uint24 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint32 at `mPtr` in memory.\n function readUint32(\n MemoryPointer mPtr\n ) internal pure returns (uint32 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint40 at `mPtr` in memory.\n function readUint40(\n MemoryPointer mPtr\n ) internal pure returns (uint40 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint48 at `mPtr` in memory.\n function readUint48(\n MemoryPointer mPtr\n ) internal pure returns (uint48 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint56 at `mPtr` in memory.\n function readUint56(\n MemoryPointer mPtr\n ) internal pure returns (uint56 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint64 at `mPtr` in memory.\n function readUint64(\n MemoryPointer mPtr\n ) internal pure returns (uint64 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint72 at `mPtr` in memory.\n function readUint72(\n MemoryPointer mPtr\n ) internal pure returns (uint72 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint80 at `mPtr` in memory.\n function readUint80(\n MemoryPointer mPtr\n ) internal pure returns (uint80 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint88 at `mPtr` in memory.\n function readUint88(\n MemoryPointer mPtr\n ) internal pure returns (uint88 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint96 at `mPtr` in memory.\n function readUint96(\n MemoryPointer mPtr\n ) internal pure returns (uint96 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint104 at `mPtr` in memory.\n function readUint104(\n MemoryPointer mPtr\n ) internal pure returns (uint104 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint112 at `mPtr` in memory.\n function readUint112(\n MemoryPointer mPtr\n ) internal pure returns (uint112 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint120 at `mPtr` in memory.\n function readUint120(\n MemoryPointer mPtr\n ) internal pure returns (uint120 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint128 at `mPtr` in memory.\n function readUint128(\n MemoryPointer mPtr\n ) internal pure returns (uint128 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint136 at `mPtr` in memory.\n function readUint136(\n MemoryPointer mPtr\n ) internal pure returns (uint136 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint144 at `mPtr` in memory.\n function readUint144(\n MemoryPointer mPtr\n ) internal pure returns (uint144 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint152 at `mPtr` in memory.\n function readUint152(\n MemoryPointer mPtr\n ) internal pure returns (uint152 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint160 at `mPtr` in memory.\n function readUint160(\n MemoryPointer mPtr\n ) internal pure returns (uint160 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint168 at `mPtr` in memory.\n function readUint168(\n MemoryPointer mPtr\n ) internal pure returns (uint168 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint176 at `mPtr` in memory.\n function readUint176(\n MemoryPointer mPtr\n ) internal pure returns (uint176 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint184 at `mPtr` in memory.\n function readUint184(\n MemoryPointer mPtr\n ) internal pure returns (uint184 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint192 at `mPtr` in memory.\n function readUint192(\n MemoryPointer mPtr\n ) internal pure returns (uint192 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint200 at `mPtr` in memory.\n function readUint200(\n MemoryPointer mPtr\n ) internal pure returns (uint200 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint208 at `mPtr` in memory.\n function readUint208(\n MemoryPointer mPtr\n ) internal pure returns (uint208 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint216 at `mPtr` in memory.\n function readUint216(\n MemoryPointer mPtr\n ) internal pure returns (uint216 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint224 at `mPtr` in memory.\n function readUint224(\n MemoryPointer mPtr\n ) internal pure returns (uint224 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint232 at `mPtr` in memory.\n function readUint232(\n MemoryPointer mPtr\n ) internal pure returns (uint232 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint240 at `mPtr` in memory.\n function readUint240(\n MemoryPointer mPtr\n ) internal pure returns (uint240 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint248 at `mPtr` in memory.\n function readUint248(\n MemoryPointer mPtr\n ) internal pure returns (uint248 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint256 at `mPtr` in memory.\n function readUint256(\n MemoryPointer mPtr\n ) internal pure returns (uint256 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int8 at `mPtr` in memory.\n function readInt8(MemoryPointer mPtr) internal pure returns (int8 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int16 at `mPtr` in memory.\n function readInt16(MemoryPointer mPtr) internal pure returns (int16 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int24 at `mPtr` in memory.\n function readInt24(MemoryPointer mPtr) internal pure returns (int24 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int32 at `mPtr` in memory.\n function readInt32(MemoryPointer mPtr) internal pure returns (int32 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int40 at `mPtr` in memory.\n function readInt40(MemoryPointer mPtr) internal pure returns (int40 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int48 at `mPtr` in memory.\n function readInt48(MemoryPointer mPtr) internal pure returns (int48 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int56 at `mPtr` in memory.\n function readInt56(MemoryPointer mPtr) internal pure returns (int56 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int64 at `mPtr` in memory.\n function readInt64(MemoryPointer mPtr) internal pure returns (int64 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int72 at `mPtr` in memory.\n function readInt72(MemoryPointer mPtr) internal pure returns (int72 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int80 at `mPtr` in memory.\n function readInt80(MemoryPointer mPtr) internal pure returns (int80 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int88 at `mPtr` in memory.\n function readInt88(MemoryPointer mPtr) internal pure returns (int88 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int96 at `mPtr` in memory.\n function readInt96(MemoryPointer mPtr) internal pure returns (int96 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int104 at `mPtr` in memory.\n function readInt104(\n MemoryPointer mPtr\n ) internal pure returns (int104 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int112 at `mPtr` in memory.\n function readInt112(\n MemoryPointer mPtr\n ) internal pure returns (int112 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int120 at `mPtr` in memory.\n function readInt120(\n MemoryPointer mPtr\n ) internal pure returns (int120 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int128 at `mPtr` in memory.\n function readInt128(\n MemoryPointer mPtr\n ) internal pure returns (int128 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int136 at `mPtr` in memory.\n function readInt136(\n MemoryPointer mPtr\n ) internal pure returns (int136 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int144 at `mPtr` in memory.\n function readInt144(\n MemoryPointer mPtr\n ) internal pure returns (int144 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int152 at `mPtr` in memory.\n function readInt152(\n MemoryPointer mPtr\n ) internal pure returns (int152 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int160 at `mPtr` in memory.\n function readInt160(\n MemoryPointer mPtr\n ) internal pure returns (int160 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int168 at `mPtr` in memory.\n function readInt168(\n MemoryPointer mPtr\n ) internal pure returns (int168 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int176 at `mPtr` in memory.\n function readInt176(\n MemoryPointer mPtr\n ) internal pure returns (int176 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int184 at `mPtr` in memory.\n function readInt184(\n MemoryPointer mPtr\n ) internal pure returns (int184 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int192 at `mPtr` in memory.\n function readInt192(\n MemoryPointer mPtr\n ) internal pure returns (int192 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int200 at `mPtr` in memory.\n function readInt200(\n MemoryPointer mPtr\n ) internal pure returns (int200 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int208 at `mPtr` in memory.\n function readInt208(\n MemoryPointer mPtr\n ) internal pure returns (int208 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int216 at `mPtr` in memory.\n function readInt216(\n MemoryPointer mPtr\n ) internal pure returns (int216 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int224 at `mPtr` in memory.\n function readInt224(\n MemoryPointer mPtr\n ) internal pure returns (int224 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int232 at `mPtr` in memory.\n function readInt232(\n MemoryPointer mPtr\n ) internal pure returns (int232 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int240 at `mPtr` in memory.\n function readInt240(\n MemoryPointer mPtr\n ) internal pure returns (int240 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int248 at `mPtr` in memory.\n function readInt248(\n MemoryPointer mPtr\n ) internal pure returns (int248 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int256 at `mPtr` in memory.\n function readInt256(\n MemoryPointer mPtr\n ) internal pure returns (int256 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n}\n\nlibrary MemoryWriters {\n /// @dev Writes `valuePtr` to memory at `mPtr`.\n function write(MemoryPointer mPtr, MemoryPointer valuePtr) internal pure {\n assembly {\n mstore(mPtr, valuePtr)\n }\n }\n\n /// @dev Writes a boolean `value` to `mPtr` in memory.\n function write(MemoryPointer mPtr, bool value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes an address `value` to `mPtr` in memory.\n function write(MemoryPointer mPtr, address value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes a bytes32 `value` to `mPtr` in memory.\n /// Separate name to disambiguate literal write parameters.\n function writeBytes32(MemoryPointer mPtr, bytes32 value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes a uint256 `value` to `mPtr` in memory.\n function write(MemoryPointer mPtr, uint256 value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes an int256 `value` to `mPtr` in memory.\n /// Separate name to disambiguate literal write parameters.\n function writeInt(MemoryPointer mPtr, int256 value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n}\n"
},
"lib/seaport/lib/seaport-types/src/interfaces/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.7;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"lib/openzeppelin-contracts-upgradeable/contracts/utils/AddressUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)\n\npragma solidity ^0.8.19;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n *\n * _Available since v4.8._\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n if (success) {\n if (returndata.length == 0) {\n // only check if target is a contract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n require(target.code.length > 0, \"Address: call to non-contract\");\n }\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason or using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n function _revert(bytes memory returndata, string memory errorMessage) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n}\n"
},
"src/lib/ERC721SeaDropStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { AllowListData, CreatorPayout } from \"./SeaDropStructs.sol\";\n\n/**\n * @notice A struct defining public drop data.\n * Designed to fit efficiently in two storage slots.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param paymentToken The payment token address. Null for\n * native token.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed. (The limit for this field is\n * 2^16 - 1)\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct PublicDrop {\n uint80 startPrice; // 80/512 bits\n uint80 endPrice; // 160/512 bits\n uint40 startTime; // 200/512 bits\n uint40 endTime; // 240/512 bits\n address paymentToken; // 400/512 bits\n uint16 maxTotalMintableByWallet; // 416/512 bits\n uint16 feeBps; // 432/512 bits\n bool restrictFeeRecipients; // 440/512 bits\n}\n\n/**\n * @notice A struct defining mint params for an allow list.\n * An allow list leaf will be composed of `msg.sender` and\n * the following params.\n *\n * Note: Since feeBps is encoded in the leaf, backend should ensure\n * that feeBps is acceptable before generating a proof.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param paymentToken The payment token for the mint. Null for\n * native token.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed.\n * @param maxTokenSupplyForStage The limit of token supply this stage can\n * mint within.\n * @param dropStageIndex The drop stage index to emit with the event\n * for analytical purposes. This should be\n * non-zero since the public mint emits with\n * index zero.\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct MintParams {\n uint256 startPrice;\n uint256 endPrice;\n uint256 startTime;\n uint256 endTime;\n address paymentToken;\n uint256 maxTotalMintableByWallet;\n uint256 maxTokenSupplyForStage;\n uint256 dropStageIndex; // non-zero\n uint256 feeBps;\n bool restrictFeeRecipients;\n}\n\n/**\n * @dev Struct containing internal SeaDrop implementation logic\n * mint details to avoid stack too deep.\n *\n * @param feeRecipient The fee recipient.\n * @param payer The payer of the mint.\n * @param minter The mint recipient.\n * @param quantity The number of tokens to mint.\n * @param withEffects Whether to apply state changes of the mint.\n */\nstruct MintDetails {\n address feeRecipient;\n address payer;\n address minter;\n uint256 quantity;\n bool withEffects;\n}\n\n/**\n * @notice A struct to configure multiple contract options in one transaction.\n */\nstruct MultiConfigureStruct {\n uint256 maxSupply;\n string baseURI;\n string contractURI;\n PublicDrop publicDrop;\n string dropURI;\n AllowListData allowListData;\n CreatorPayout[] creatorPayouts;\n bytes32 provenanceHash;\n address[] allowedFeeRecipients;\n address[] disallowedFeeRecipients;\n address[] allowedPayers;\n address[] disallowedPayers;\n // Server-signed\n address[] allowedSigners;\n address[] disallowedSigners;\n // ERC-2981\n address royaltyReceiver;\n uint96 royaltyBps;\n // Mint\n address mintRecipient;\n uint256 mintQuantity;\n}\n"
}
},
"settings": {
"remappings": [
"forge-std/=lib/forge-std/src/",
"ds-test/=lib/forge-std/lib/ds-test/src/",
"ERC721A/=lib/ERC721A/contracts/",
"ERC721A-Upgradeable/=lib/ERC721A-Upgradeable/contracts/",
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"@openzeppelin-upgradeable/contracts/=lib/openzeppelin-contracts-upgradeable/contracts/",
"@rari-capital/solmate/=lib/seaport/lib/solmate/",
"murky/=lib/murky/src/",
"create2-scripts/=lib/create2-helpers/script/",
"seadrop/=src/",
"seaport-sol/=lib/seaport/lib/seaport-sol/",
"seaport-types/=lib/seaport/lib/seaport-types/",
"seaport-core/=lib/seaport/lib/seaport-core/",
"seaport-test-utils/=lib/seaport/test/foundry/utils/",
"solady/=lib/solady/"
],
"optimizer": {
"enabled": true,
"runs": 99999999
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "none",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "paris",
"libraries": {}
}
}}
|
1 | 19,498,468 |
d21fcd497f73dc05ca301513d7bd11e16b0c6250713d12bf11304be314bd23dc
|
fb44d85b969cd7cb8fadbc6a7226ed95e2384b2cb3ae2d15e0f7d4908b7ed674
|
3aeb5831f91d29b3992d659821a7fed7b805a107
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
5a8008e3d63a80d6dd5f965ae9fe6f8e4d46ea91
|
3d602d80600a3d3981f3363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
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{{
"language": "Solidity",
"sources": {
"contracts/Forwarder.sol": {
"content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.10;\nimport '@openzeppelin/contracts/token/ERC1155/IERC1155.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';\nimport '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol';\nimport './ERC20Interface.sol';\nimport './TransferHelper.sol';\nimport './IForwarder.sol';\n\n/**\n * Contract that will forward any incoming Ether to the creator of the contract\n *\n */\ncontract Forwarder is IERC721Receiver, ERC1155Receiver, IForwarder {\n // Address to which any funds sent to this contract will be forwarded\n address public parentAddress;\n bool public autoFlush721 = true;\n bool public autoFlush1155 = true;\n\n event ForwarderDeposited(address from, uint256 value, bytes data);\n\n /**\n * Initialize the contract, and sets the destination address to that of the creator\n */\n function init(\n address _parentAddress,\n bool _autoFlush721,\n bool _autoFlush1155\n ) external onlyUninitialized {\n parentAddress = _parentAddress;\n uint256 value = address(this).balance;\n\n // set whether we want to automatically flush erc721/erc1155 tokens or not\n autoFlush721 = _autoFlush721;\n autoFlush1155 = _autoFlush1155;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n\n // NOTE: since we are forwarding on initialization,\n // we don't have the context of the original sender.\n // We still emit an event about the forwarding but set\n // the sender to the forwarder itself\n emit ForwarderDeposited(address(this), value, msg.data);\n }\n\n /**\n * Modifier that will execute internal code block only if the sender is the parent address\n */\n modifier onlyParent {\n require(msg.sender == parentAddress, 'Only Parent');\n _;\n }\n\n /**\n * Modifier that will execute internal code block only if the contract has not been initialized yet\n */\n modifier onlyUninitialized {\n require(parentAddress == address(0x0), 'Already initialized');\n _;\n }\n\n /**\n * Default function; Gets called when data is sent but does not match any other function\n */\n fallback() external payable {\n flush();\n }\n\n /**\n * Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address\n */\n receive() external payable {\n flush();\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush721(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush721 = autoFlush;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush1155(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush1155 = autoFlush;\n }\n\n /**\n * ERC721 standard callback function for when a ERC721 is transfered. The forwarder will send the nft\n * to the base wallet once the nft contract invokes this method after transfering the nft.\n *\n * @param _operator The address which called `safeTransferFrom` function\n * @param _from The address of the sender\n * @param _tokenId The token id of the nft\n * @param data Additional data with no specified format, sent in call to `_to`\n */\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes memory data\n ) external virtual override returns (bytes4) {\n if (autoFlush721) {\n IERC721 instance = IERC721(msg.sender);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The caller does not support the ERC721 interface'\n );\n // this won't work for ERC721 re-entrancy\n instance.safeTransferFrom(address(this), parentAddress, _tokenId, data);\n }\n\n return this.onERC721Received.selector;\n }\n\n function callFromParent(\n address target,\n uint256 value,\n bytes calldata data\n ) external onlyParent returns (bytes memory) {\n (bool success, bytes memory returnedData) = target.call{ value: value }(\n data\n );\n require(success, 'Parent call execution failed');\n\n return returnedData;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155Received(\n address _operator,\n address _from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeTransferFrom(address(this), parentAddress, id, value, data);\n }\n\n return this.onERC1155Received.selector;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155BatchReceived(\n address _operator,\n address _from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeBatchTransferFrom(\n address(this),\n parentAddress,\n ids,\n values,\n data\n );\n }\n\n return this.onERC1155BatchReceived.selector;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushTokens(address tokenContractAddress)\n external\n virtual\n override\n onlyParent\n {\n ERC20Interface instance = ERC20Interface(tokenContractAddress);\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress);\n if (forwarderBalance == 0) {\n return;\n }\n\n TransferHelper.safeTransfer(\n tokenContractAddress,\n parentAddress,\n forwarderBalance\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC721 instance = IERC721(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The tokenContractAddress does not support the ERC721 interface'\n );\n\n address ownerAddress = instance.ownerOf(tokenId);\n instance.transferFrom(ownerAddress, parentAddress, tokenId);\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress, tokenId);\n\n instance.safeTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenId,\n forwarderBalance,\n ''\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external virtual override onlyParent {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256[] memory amounts = new uint256[](tokenIds.length);\n for (uint256 i = 0; i < tokenIds.length; i++) {\n amounts[i] = instance.balanceOf(forwarderAddress, tokenIds[i]);\n }\n\n instance.safeBatchTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenIds,\n amounts,\n ''\n );\n }\n\n /**\n * Flush the entire balance of the contract to the parent address.\n */\n function flush() public {\n uint256 value = address(this).balance;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n emit ForwarderDeposited(msg.sender, value, msg.data);\n }\n\n /**\n * @inheritdoc IERC165\n */\n function supportsInterface(bytes4 interfaceId)\n public\n virtual\n override(ERC1155Receiver, IERC165)\n view\n returns (bool)\n {\n return\n interfaceId == type(IForwarder).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/IERC1155.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155 is IERC165 {\n /**\n * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n */\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /**\n * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n */\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /**\n * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n */\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /**\n * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n *\n * If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n */\n event URI(string value, uint256 indexed id);\n\n /**\n * @dev Returns the amount of tokens of token type `id` owned by `account`.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /**\n * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n *\n * Emits an {ApprovalForAll} event.\n *\n * Requirements:\n *\n * - `operator` cannot be the caller.\n */\n function setApprovalForAll(address operator, bool approved) external;\n\n /**\n * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n"
},
"@openzeppelin/contracts/token/ERC721/IERC721.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n}\n"
},
"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155Receiver.sol\";\nimport \"../../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\nabstract contract ERC1155Receiver is ERC165, IERC1155Receiver {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);\n }\n}\n"
},
"contracts/ERC20Interface.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity 0.8.10;\n\n/**\n * Contract that exposes the needed erc20 token functions\n */\n\nabstract contract ERC20Interface {\n // Send _value amount of tokens to address _to\n function transfer(address _to, uint256 _value)\n public\n virtual\n returns (bool success);\n\n // Get the account balance of another account with address _owner\n function balanceOf(address _owner)\n public\n virtual\n view\n returns (uint256 balance);\n}\n"
},
"contracts/TransferHelper.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0-or-later\n// source: https://github.com/Uniswap/solidity-lib/blob/master/contracts/libraries/TransferHelper.sol\npragma solidity 0.8.10;\n\nimport '@openzeppelin/contracts/utils/Address.sol';\n\n// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false\nlibrary TransferHelper {\n function safeTransfer(\n address token,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transfer(address,uint256)')));\n (bool success, bytes memory data) = token.call(\n abi.encodeWithSelector(0xa9059cbb, to, value)\n );\n require(\n success && (data.length == 0 || abi.decode(data, (bool))),\n 'TransferHelper::safeTransfer: transfer failed'\n );\n }\n\n function safeTransferFrom(\n address token,\n address from,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));\n (bool success, bytes memory returndata) = token.call(\n abi.encodeWithSelector(0x23b872dd, from, to, value)\n );\n Address.verifyCallResult(\n success,\n returndata,\n 'TransferHelper::transferFrom: transferFrom failed'\n );\n }\n}\n"
},
"contracts/IForwarder.sol": {
"content": "pragma solidity ^0.8.0;\n\nimport '@openzeppelin/contracts/utils/introspection/IERC165.sol';\n\ninterface IForwarder is IERC165 {\n /**\n * Sets the autoflush721 parameter.\n *\n * @param autoFlush whether to autoflush erc721 tokens\n */\n function setAutoFlush721(bool autoFlush) external;\n\n /**\n * Sets the autoflush1155 parameter.\n *\n * @param autoFlush whether to autoflush erc1155 tokens\n */\n function setAutoFlush1155(bool autoFlush) external;\n\n /**\n * Execute a token transfer of the full balance from the forwarder token to the parent address\n *\n * @param tokenContractAddress the address of the erc20 token contract\n */\n function flushTokens(address tokenContractAddress) external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address\n *\n * @param tokenContractAddress the address of the ERC721 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a batch nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenIds The token ids of the nfts\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external;\n}\n"
},
"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\ninterface IERC1155Receiver is IERC165 {\n /**\n @dev Handles the receipt of a single ERC1155 token type. This function is\n called at the end of a `safeTransferFrom` after the balance has been updated.\n To accept the transfer, this must return\n `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n (i.e. 0xf23a6e61, or its own function selector).\n @param operator The address which initiated the transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param id The ID of the token being transferred\n @param value The amount of tokens being transferred\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n */\n function onERC1155Received(\n address operator,\n address from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external returns (bytes4);\n\n /**\n @dev Handles the receipt of a multiple ERC1155 token types. This function\n is called at the end of a `safeBatchTransferFrom` after the balances have\n been updated. To accept the transfer(s), this must return\n `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n (i.e. 0xbc197c81, or its own function selector).\n @param operator The address which initiated the batch transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param ids An array containing ids of each token being transferred (order and length must match values array)\n @param values An array containing amounts of each token being transferred (order and length must match ids array)\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n */\n function onERC1155BatchReceived(\n address operator,\n address from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external returns (bytes4);\n}\n"
},
"@openzeppelin/contracts/utils/introspection/ERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n"
},
"@openzeppelin/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize, which returns 0 for contracts in\n // construction, since the code is only stored at the end of the\n // constructor execution.\n\n uint256 size;\n assembly {\n size := extcodesize(account)\n }\n return size > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": false,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}
}}
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// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity >=0.7.0 <0.9.0;
/// @title IProxy - Helper interface to access masterCopy of the Proxy on-chain
/// @author Richard Meissner - <richard@gnosis.io>
interface IProxy {
function masterCopy() external view returns (address);
}
/// @title GnosisSafeProxy - Generic proxy contract allows to execute all transactions applying the code of a master contract.
/// @author Stefan George - <stefan@gnosis.io>
/// @author Richard Meissner - <richard@gnosis.io>
contract GnosisSafeProxy {
// singleton always needs to be first declared variable, to ensure that it is at the same location in the contracts to which calls are delegated.
// To reduce deployment costs this variable is internal and needs to be retrieved via `getStorageAt`
address internal singleton;
/// @dev Constructor function sets address of singleton contract.
/// @param _singleton Singleton address.
constructor(address _singleton) {
require(_singleton != address(0), "Invalid singleton address provided");
singleton = _singleton;
}
/// @dev Fallback function forwards all transactions and returns all received return data.
fallback() external payable {
// solhint-disable-next-line no-inline-assembly
assembly {
let _singleton := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff)
// 0xa619486e == keccak("masterCopy()"). The value is right padded to 32-bytes with 0s
if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) {
mstore(0, _singleton)
return(0, 0x20)
}
calldatacopy(0, 0, calldatasize())
let success := delegatecall(gas(), _singleton, 0, calldatasize(), 0, 0)
returndatacopy(0, 0, returndatasize())
if eq(success, 0) {
revert(0, returndatasize())
}
return(0, returndatasize())
}
}
}
/// @title Proxy Factory - Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
/// @author Stefan George - <stefan@gnosis.pm>
contract GnosisSafeProxyFactory {
event ProxyCreation(GnosisSafeProxy proxy, address singleton);
/// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
/// @param singleton Address of singleton contract.
/// @param data Payload for message call sent to new proxy contract.
function createProxy(address singleton, bytes memory data) public returns (GnosisSafeProxy proxy) {
proxy = new GnosisSafeProxy(singleton);
if (data.length > 0)
// solhint-disable-next-line no-inline-assembly
assembly {
if eq(call(gas(), proxy, 0, add(data, 0x20), mload(data), 0, 0), 0) {
revert(0, 0)
}
}
emit ProxyCreation(proxy, singleton);
}
/// @dev Allows to retrieve the runtime code of a deployed Proxy. This can be used to check that the expected Proxy was deployed.
function proxyRuntimeCode() public pure returns (bytes memory) {
return type(GnosisSafeProxy).runtimeCode;
}
/// @dev Allows to retrieve the creation code used for the Proxy deployment. With this it is easily possible to calculate predicted address.
function proxyCreationCode() public pure returns (bytes memory) {
return type(GnosisSafeProxy).creationCode;
}
/// @dev Allows to create new proxy contact using CREATE2 but it doesn't run the initializer.
/// This method is only meant as an utility to be called from other methods
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
function deployProxyWithNonce(
address _singleton,
bytes memory initializer,
uint256 saltNonce
) internal returns (GnosisSafeProxy proxy) {
// If the initializer changes the proxy address should change too. Hashing the initializer data is cheaper than just concatinating it
bytes32 salt = keccak256(abi.encodePacked(keccak256(initializer), saltNonce));
bytes memory deploymentData = abi.encodePacked(type(GnosisSafeProxy).creationCode, uint256(uint160(_singleton)));
// solhint-disable-next-line no-inline-assembly
assembly {
proxy := create2(0x0, add(0x20, deploymentData), mload(deploymentData), salt)
}
require(address(proxy) != address(0), "Create2 call failed");
}
/// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
function createProxyWithNonce(
address _singleton,
bytes memory initializer,
uint256 saltNonce
) public returns (GnosisSafeProxy proxy) {
proxy = deployProxyWithNonce(_singleton, initializer, saltNonce);
if (initializer.length > 0)
// solhint-disable-next-line no-inline-assembly
assembly {
if eq(call(gas(), proxy, 0, add(initializer, 0x20), mload(initializer), 0, 0), 0) {
revert(0, 0)
}
}
emit ProxyCreation(proxy, _singleton);
}
/// @dev Allows to create new proxy contact, execute a message call to the new proxy and call a specified callback within one transaction
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
/// @param callback Callback that will be invoced after the new proxy contract has been successfully deployed and initialized.
function createProxyWithCallback(
address _singleton,
bytes memory initializer,
uint256 saltNonce,
IProxyCreationCallback callback
) public returns (GnosisSafeProxy proxy) {
uint256 saltNonceWithCallback = uint256(keccak256(abi.encodePacked(saltNonce, callback)));
proxy = createProxyWithNonce(_singleton, initializer, saltNonceWithCallback);
if (address(callback) != address(0)) callback.proxyCreated(proxy, _singleton, initializer, saltNonce);
}
/// @dev Allows to get the address for a new proxy contact created via `createProxyWithNonce`
/// This method is only meant for address calculation purpose when you use an initializer that would revert,
/// therefore the response is returned with a revert. When calling this method set `from` to the address of the proxy factory.
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
function calculateCreateProxyWithNonceAddress(
address _singleton,
bytes calldata initializer,
uint256 saltNonce
) external returns (GnosisSafeProxy proxy) {
proxy = deployProxyWithNonce(_singleton, initializer, saltNonce);
revert(string(abi.encodePacked(proxy)));
}
}
interface IProxyCreationCallback {
function proxyCreated(
GnosisSafeProxy proxy,
address _singleton,
bytes calldata initializer,
uint256 saltNonce
) external;
}
|
1 | 19,498,473 |
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|
{{
"language": "Solidity",
"sources": {
"src/Token.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\n\ncontract Token is ERC20 {\n constructor(string memory name, string memory symbol, uint256 supply) ERC20(name, symbol) {\n _mint(msg.sender, supply);\n }\n}\n"
},
"lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC20Metadata} from \"./extensions/IERC20Metadata.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {IERC20Errors} from \"../../interfaces/draft-IERC6093.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n *\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n */\nabstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {\n mapping(address account => uint256) private _balances;\n\n mapping(address account => mapping(address spender => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /**\n * @dev Sets the values for {name} and {symbol}.\n *\n * All two of these values are immutable: they can only be set once during\n * construction.\n */\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev Returns the name of the token.\n */\n function name() public view virtual returns (string memory) {\n return _name;\n }\n\n /**\n * @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n */\n function symbol() public view virtual returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n *\n * Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the default value returned by this function, unless\n * it's overridden.\n *\n * NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n */\n function decimals() public view virtual returns (uint8) {\n return 18;\n }\n\n /**\n * @dev See {IERC20-totalSupply}.\n */\n function totalSupply() public view virtual returns (uint256) {\n return _totalSupply;\n }\n\n /**\n * @dev See {IERC20-balanceOf}.\n */\n function balanceOf(address account) public view virtual returns (uint256) {\n return _balances[account];\n }\n\n /**\n * @dev See {IERC20-transfer}.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - the caller must have a balance of at least `value`.\n */\n function transfer(address to, uint256 value) public virtual returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, value);\n return true;\n }\n\n /**\n * @dev See {IERC20-allowance}.\n */\n function allowance(address owner, address spender) public view virtual returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /**\n * @dev See {IERC20-approve}.\n *\n * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function approve(address spender, uint256 value) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, value);\n return true;\n }\n\n /**\n * @dev See {IERC20-transferFrom}.\n *\n * Emits an {Approval} event indicating the updated allowance. This is not\n * required by the EIP. See the note at the beginning of {ERC20}.\n *\n * NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n *\n * Requirements:\n *\n * - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `value`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `value`.\n */\n function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, value);\n _transfer(from, to, value);\n return true;\n }\n\n /**\n * @dev Moves a `value` amount of tokens from `from` to `to`.\n *\n * This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n *\n * Emits a {Transfer} event.\n *\n * NOTE: This function is not virtual, {_update} should be overridden instead.\n */\n function _transfer(address from, address to, uint256 value) internal {\n if (from == address(0)) {\n revert ERC20InvalidSender(address(0));\n }\n if (to == address(0)) {\n revert ERC20InvalidReceiver(address(0));\n }\n _update(from, to, value);\n }\n\n /**\n * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`\n * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding\n * this function.\n *\n * Emits a {Transfer} event.\n */\n function _update(address from, address to, uint256 value) internal virtual {\n if (from == address(0)) {\n // Overflow check required: The rest of the code assumes that totalSupply never overflows\n _totalSupply += value;\n } else {\n uint256 fromBalance = _balances[from];\n if (fromBalance < value) {\n revert ERC20InsufficientBalance(from, fromBalance, value);\n }\n unchecked {\n // Overflow not possible: value <= fromBalance <= totalSupply.\n _balances[from] = fromBalance - value;\n }\n }\n\n if (to == address(0)) {\n unchecked {\n // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.\n _totalSupply -= value;\n }\n } else {\n unchecked {\n // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.\n _balances[to] += value;\n }\n }\n\n emit Transfer(from, to, value);\n }\n\n /**\n * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).\n * Relies on the `_update` mechanism\n *\n * Emits a {Transfer} event with `from` set to the zero address.\n *\n * NOTE: This function is not virtual, {_update} should be overridden instead.\n */\n function _mint(address account, uint256 value) internal {\n if (account == address(0)) {\n revert ERC20InvalidReceiver(address(0));\n }\n _update(address(0), account, value);\n }\n\n /**\n * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.\n * Relies on the `_update` mechanism.\n *\n * Emits a {Transfer} event with `to` set to the zero address.\n *\n * NOTE: This function is not virtual, {_update} should be overridden instead\n */\n function _burn(address account, uint256 value) internal {\n if (account == address(0)) {\n revert ERC20InvalidSender(address(0));\n }\n _update(account, address(0), value);\n }\n\n /**\n * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.\n *\n * This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n *\n * Emits an {Approval} event.\n *\n * Requirements:\n *\n * - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n *\n * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.\n */\n function _approve(address owner, address spender, uint256 value) internal {\n _approve(owner, spender, value, true);\n }\n\n /**\n * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.\n *\n * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by\n * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any\n * `Approval` event during `transferFrom` operations.\n *\n * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to\n * true using the following override:\n * ```\n * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {\n * super._approve(owner, spender, value, true);\n * }\n * ```\n *\n * Requirements are the same as {_approve}.\n */\n function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {\n if (owner == address(0)) {\n revert ERC20InvalidApprover(address(0));\n }\n if (spender == address(0)) {\n revert ERC20InvalidSpender(address(0));\n }\n _allowances[owner][spender] = value;\n if (emitEvent) {\n emit Approval(owner, spender, value);\n }\n }\n\n /**\n * @dev Updates `owner` s allowance for `spender` based on spent `value`.\n *\n * Does not update the allowance value in case of infinite allowance.\n * Revert if not enough allowance is available.\n *\n * Does not emit an {Approval} event.\n */\n function _spendAllowance(address owner, address spender, uint256 value) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n if (currentAllowance < value) {\n revert ERC20InsufficientAllowance(spender, currentAllowance, value);\n }\n unchecked {\n _approve(owner, spender, currentAllowance - value, false);\n }\n }\n }\n}\n"
},
"lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the value of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the value of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves a `value` amount of tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 value) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n * caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 value) external returns (bool);\n\n /**\n * @dev Moves a `value` amount of tokens from `from` to `to` using the\n * allowance mechanism. `value` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(address from, address to, uint256 value) external returns (bool);\n}\n"
},
"lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n */\ninterface IERC20Metadata is IERC20 {\n /**\n * @dev Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n}\n"
},
"lib/openzeppelin-contracts/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n function _contextSuffixLength() internal view virtual returns (uint256) {\n return 0;\n }\n}\n"
},
"lib/openzeppelin-contracts/contracts/interfaces/draft-IERC6093.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)\npragma solidity ^0.8.20;\n\n/**\n * @dev Standard ERC20 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.\n */\ninterface IERC20Errors {\n /**\n * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n */\n error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);\n\n /**\n * @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n */\n error ERC20InvalidSender(address sender);\n\n /**\n * @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n */\n error ERC20InvalidReceiver(address receiver);\n\n /**\n * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n * @param allowance Amount of tokens a `spender` is allowed to operate with.\n * @param needed Minimum amount required to perform a transfer.\n */\n error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);\n\n /**\n * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n */\n error ERC20InvalidApprover(address approver);\n\n /**\n * @dev Indicates a failure with the `spender` to be approved. Used in approvals.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n */\n error ERC20InvalidSpender(address spender);\n}\n\n/**\n * @dev Standard ERC721 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.\n */\ninterface IERC721Errors {\n /**\n * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.\n * Used in balance queries.\n * @param owner Address of the current owner of a token.\n */\n error ERC721InvalidOwner(address owner);\n\n /**\n * @dev Indicates a `tokenId` whose `owner` is the zero address.\n * @param tokenId Identifier number of a token.\n */\n error ERC721NonexistentToken(uint256 tokenId);\n\n /**\n * @dev Indicates an error related to the ownership over a particular token. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param tokenId Identifier number of a token.\n * @param owner Address of the current owner of a token.\n */\n error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);\n\n /**\n * @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n */\n error ERC721InvalidSender(address sender);\n\n /**\n * @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n */\n error ERC721InvalidReceiver(address receiver);\n\n /**\n * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param tokenId Identifier number of a token.\n */\n error ERC721InsufficientApproval(address operator, uint256 tokenId);\n\n /**\n * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n */\n error ERC721InvalidApprover(address approver);\n\n /**\n * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n */\n error ERC721InvalidOperator(address operator);\n}\n\n/**\n * @dev Standard ERC1155 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.\n */\ninterface IERC1155Errors {\n /**\n * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n * @param tokenId Identifier number of a token.\n */\n error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);\n\n /**\n * @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n */\n error ERC1155InvalidSender(address sender);\n\n /**\n * @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n */\n error ERC1155InvalidReceiver(address receiver);\n\n /**\n * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param owner Address of the current owner of a token.\n */\n error ERC1155MissingApprovalForAll(address operator, address owner);\n\n /**\n * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n */\n error ERC1155InvalidApprover(address approver);\n\n /**\n * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n */\n error ERC1155InvalidOperator(address operator);\n\n /**\n * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.\n * Used in batch transfers.\n * @param idsLength Length of the array of token identifiers\n * @param valuesLength Length of the array of token amounts\n */\n error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);\n}\n"
}
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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363d3d373d3d3d363d73f69972b229b934d41918f97777c9fa98c636b4065af43d82803e903d91602b57fd5bf3
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1 | 19,498,474 |
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363d3d373d3d3d363d730a675932a6a53c4f4d89e6663846b912861ac1d05af43d82803e903d91602b57fd5bf3
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1 | 19,498,474 |
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363d3d373d3d3d363d738496df68fd60c852e914e08b18cbc14da86f1d815af43d82803e903d91602b57fd5bf3
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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363d3d373d3d3d363d73d73a3e48ce9ec3a7db0b47826eb1b860db46462a5af43d82803e903d91602b57fd5bf3
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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1 | 19,498,474 |
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363d3d373d3d3d363d738377db7493c96a45f8aad63c76d72bdf72be8f135af43d82803e903d91602b57fd5bf3
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1 | 19,498,474 |
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363d3d373d3d3d363d73ea6bb03ec1b3ec574f17980b540d932ec5d925955af43d82803e903d91602b57fd5bf3
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1 | 19,498,475 |
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// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.18;
// We use the Tokenized Strategy interface.
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/ERC20.sol)
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* The default value of {decimals} is 18. To change this, you should override
* this function so it returns a different value.
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC20
* applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the default value returned by this function, unless
* it's overridden.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
* `transferFrom`. This is semantically equivalent to an infinite approval.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* NOTE: Does not update the allowance if the current allowance
* is the maximum `uint256`.
*
* Requirements:
*
* - `from` and `to` cannot be the zero address.
* - `from` must have a balance of at least `amount`.
* - the caller must have allowance for ``from``'s tokens of at least
* `amount`.
*/
function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `from` to `to`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `from` must have a balance of at least `amount`.
*/
function _transfer(address from, address to, uint256 amount) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
// Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
// decrementing then incrementing.
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
// Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
// Overflow not possible: amount <= accountBalance <= totalSupply.
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Updates `owner` s allowance for `spender` based on spent `amount`.
*
* Does not update the allowance amount in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Might emit an {Approval} event.
*/
function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
/**
* @dev Hook that is called after any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC4626.sol)
/**
* @dev Interface of the ERC4626 "Tokenized Vault Standard", as defined in
* https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
*
* _Available since v4.7._
*/
interface IERC4626 is IERC20, IERC20Metadata {
event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);
event Withdraw(
address indexed sender,
address indexed receiver,
address indexed owner,
uint256 assets,
uint256 shares
);
/**
* @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
*
* - MUST be an ERC-20 token contract.
* - MUST NOT revert.
*/
function asset() external view returns (address assetTokenAddress);
/**
* @dev Returns the total amount of the underlying asset that is “managed” by Vault.
*
* - SHOULD include any compounding that occurs from yield.
* - MUST be inclusive of any fees that are charged against assets in the Vault.
* - MUST NOT revert.
*/
function totalAssets() external view returns (uint256 totalManagedAssets);
/**
* @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal
* scenario where all the conditions are met.
*
* - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
* - MUST NOT show any variations depending on the caller.
* - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
* - MUST NOT revert.
*
* NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
* “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
* from.
*/
function convertToShares(uint256 assets) external view returns (uint256 shares);
/**
* @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal
* scenario where all the conditions are met.
*
* - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
* - MUST NOT show any variations depending on the caller.
* - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
* - MUST NOT revert.
*
* NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
* “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
* from.
*/
function convertToAssets(uint256 shares) external view returns (uint256 assets);
/**
* @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,
* through a deposit call.
*
* - MUST return a limited value if receiver is subject to some deposit limit.
* - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
* - MUST NOT revert.
*/
function maxDeposit(address receiver) external view returns (uint256 maxAssets);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given
* current on-chain conditions.
*
* - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit
* call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called
* in the same transaction.
* - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the
* deposit would be accepted, regardless if the user has enough tokens approved, etc.
* - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by depositing.
*/
function previewDeposit(uint256 assets) external view returns (uint256 shares);
/**
* @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.
*
* - MUST emit the Deposit event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
* deposit execution, and are accounted for during deposit.
* - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not
* approving enough underlying tokens to the Vault contract, etc).
*
* NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
*/
function deposit(uint256 assets, address receiver) external returns (uint256 shares);
/**
* @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call.
* - MUST return a limited value if receiver is subject to some mint limit.
* - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.
* - MUST NOT revert.
*/
function maxMint(address receiver) external view returns (uint256 maxShares);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given
* current on-chain conditions.
*
* - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call
* in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the
* same transaction.
* - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint
* would be accepted, regardless if the user has enough tokens approved, etc.
* - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by minting.
*/
function previewMint(uint256 shares) external view returns (uint256 assets);
/**
* @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.
*
* - MUST emit the Deposit event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint
* execution, and are accounted for during mint.
* - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not
* approving enough underlying tokens to the Vault contract, etc).
*
* NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
*/
function mint(uint256 shares, address receiver) external returns (uint256 assets);
/**
* @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the
* Vault, through a withdraw call.
*
* - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
* - MUST NOT revert.
*/
function maxWithdraw(address owner) external view returns (uint256 maxAssets);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,
* given current on-chain conditions.
*
* - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw
* call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if
* called
* in the same transaction.
* - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though
* the withdrawal would be accepted, regardless if the user has enough shares, etc.
* - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by depositing.
*/
function previewWithdraw(uint256 assets) external view returns (uint256 shares);
/**
* @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver.
*
* - MUST emit the Withdraw event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
* withdraw execution, and are accounted for during withdraw.
* - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner
* not having enough shares, etc).
*
* Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
* Those methods should be performed separately.
*/
function withdraw(uint256 assets, address receiver, address owner) external returns (uint256 shares);
/**
* @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,
* through a redeem call.
*
* - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
* - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.
* - MUST NOT revert.
*/
function maxRedeem(address owner) external view returns (uint256 maxShares);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,
* given current on-chain conditions.
*
* - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call
* in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the
* same transaction.
* - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the
* redemption would be accepted, regardless if the user has enough shares, etc.
* - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by redeeming.
*/
function previewRedeem(uint256 shares) external view returns (uint256 assets);
/**
* @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver.
*
* - MUST emit the Withdraw event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
* redeem execution, and are accounted for during redeem.
* - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner
* not having enough shares, etc).
*
* NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
* Those methods should be performed separately.
*/
function redeem(uint256 shares, address receiver, address owner) external returns (uint256 assets);
}
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)
/**
* @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
* https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
*
* Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
* presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
* need to send a transaction, and thus is not required to hold Ether at all.
*
* ==== Security Considerations
*
* There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
* expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
* considered as an intention to spend the allowance in any specific way. The second is that because permits have
* built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
* take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
* generally recommended is:
*
* ```solidity
* function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
* try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
* doThing(..., value);
* }
*
* function doThing(..., uint256 value) public {
* token.safeTransferFrom(msg.sender, address(this), value);
* ...
* }
* ```
*
* Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
* `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
* {SafeERC20-safeTransferFrom}).
*
* Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
* contracts should have entry points that don't rely on permit.
*/
interface IERC20Permit {
/**
* @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
* given ``owner``'s signed approval.
*
* IMPORTANT: The same issues {IERC20-approve} has related to transaction
* ordering also apply here.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `deadline` must be a timestamp in the future.
* - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
* over the EIP712-formatted function arguments.
* - the signature must use ``owner``'s current nonce (see {nonces}).
*
* For more information on the signature format, see the
* https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
* section].
*
* CAUTION: See Security Considerations above.
*/
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
/**
* @dev Returns the current nonce for `owner`. This value must be
* included whenever a signature is generated for {permit}.
*
* Every successful call to {permit} increases ``owner``'s nonce by one. This
* prevents a signature from being used multiple times.
*/
function nonces(address owner) external view returns (uint256);
/**
* @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
*/
// solhint-disable-next-line func-name-mixedcase
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
// Interface that implements the 4626 standard and the implementation functions
interface ITokenizedStrategy is IERC4626, IERC20Permit {
/*//////////////////////////////////////////////////////////////
EVENTS
//////////////////////////////////////////////////////////////*/
event StrategyShutdown();
event NewTokenizedStrategy(
address indexed strategy,
address indexed asset,
string apiVersion
);
event Reported(
uint256 profit,
uint256 loss,
uint256 protocolFees,
uint256 performanceFees
);
event UpdatePerformanceFeeRecipient(
address indexed newPerformanceFeeRecipient
);
event UpdateKeeper(address indexed newKeeper);
event UpdatePerformanceFee(uint16 newPerformanceFee);
event UpdateManagement(address indexed newManagement);
event UpdateEmergencyAdmin(address indexed newEmergencyAdmin);
event UpdateProfitMaxUnlockTime(uint256 newProfitMaxUnlockTime);
event UpdatePendingManagement(address indexed newPendingManagement);
/*//////////////////////////////////////////////////////////////
INITIALIZATION
//////////////////////////////////////////////////////////////*/
function initialize(
address _asset,
string memory _name,
address _management,
address _performanceFeeRecipient,
address _keeper
) external;
/*//////////////////////////////////////////////////////////////
NON-STANDARD 4626 OPTIONS
//////////////////////////////////////////////////////////////*/
function withdraw(
uint256 assets,
address receiver,
address owner,
uint256 maxLoss
) external returns (uint256);
function redeem(
uint256 shares,
address receiver,
address owner,
uint256 maxLoss
) external returns (uint256);
/*//////////////////////////////////////////////////////////////
MODIFIER HELPERS
//////////////////////////////////////////////////////////////*/
function requireManagement(address _sender) external view;
function requireKeeperOrManagement(address _sender) external view;
function requireEmergencyAuthorized(address _sender) external view;
/*//////////////////////////////////////////////////////////////
KEEPERS FUNCTIONS
//////////////////////////////////////////////////////////////*/
function tend() external;
function report() external returns (uint256 _profit, uint256 _loss);
/*//////////////////////////////////////////////////////////////
CONSTANTS
//////////////////////////////////////////////////////////////*/
function MAX_FEE() external view returns (uint16);
function FACTORY() external view returns (address);
/*//////////////////////////////////////////////////////////////
GETTERS
//////////////////////////////////////////////////////////////*/
function apiVersion() external view returns (string memory);
function pricePerShare() external view returns (uint256);
function management() external view returns (address);
function pendingManagement() external view returns (address);
function keeper() external view returns (address);
function emergencyAdmin() external view returns (address);
function performanceFee() external view returns (uint16);
function performanceFeeRecipient() external view returns (address);
function fullProfitUnlockDate() external view returns (uint256);
function profitUnlockingRate() external view returns (uint256);
function profitMaxUnlockTime() external view returns (uint256);
function lastReport() external view returns (uint256);
function isShutdown() external view returns (bool);
function unlockedShares() external view returns (uint256);
/*//////////////////////////////////////////////////////////////
SETTERS
//////////////////////////////////////////////////////////////*/
function setPendingManagement(address) external;
function acceptManagement() external;
function setKeeper(address _keeper) external;
function setEmergencyAdmin(address _emergencyAdmin) external;
function setPerformanceFee(uint16 _performanceFee) external;
function setPerformanceFeeRecipient(
address _performanceFeeRecipient
) external;
function setProfitMaxUnlockTime(uint256 _profitMaxUnlockTime) external;
function shutdownStrategy() external;
function emergencyWithdraw(uint256 _amount) external;
}
interface IBaseStrategy {
function tokenizedStrategyAddress() external view returns (address);
/*//////////////////////////////////////////////////////////////
IMMUTABLE FUNCTIONS
//////////////////////////////////////////////////////////////*/
function availableDepositLimit(
address _owner
) external view returns (uint256);
function availableWithdrawLimit(
address _owner
) external view returns (uint256);
function deployFunds(uint256 _assets) external;
function freeFunds(uint256 _amount) external;
function harvestAndReport() external returns (uint256);
function tendThis(uint256 _totalIdle) external;
function shutdownWithdraw(uint256 _amount) external;
function tendTrigger() external view returns (bool, bytes memory);
}
interface IStrategy is IBaseStrategy, ITokenizedStrategy {}
// TokenizedStrategy interface used for internal view delegateCalls.
/**
* @title YearnV3 Base Strategy
* @author yearn.finance
* @notice
* BaseStrategy implements all of the required functionality to
* seamlessly integrate with the `TokenizedStrategy` implementation contract
* allowing anyone to easily build a fully permissionless ERC-4626 compliant
* Vault by inheriting this contract and overriding three simple functions.
* It utilizes an immutable proxy pattern that allows the BaseStrategy
* to remain simple and small. All standard logic is held within the
* `TokenizedStrategy` and is reused over any n strategies all using the
* `fallback` function to delegatecall the implementation so that strategists
* can only be concerned with writing their strategy specific code.
*
* This contract should be inherited and the three main abstract methods
* `_deployFunds`, `_freeFunds` and `_harvestAndReport` implemented to adapt
* the Strategy to the particular needs it has to generate yield. There are
* other optional methods that can be implemented to further customize
* the strategy if desired.
*
* All default storage for the strategy is controlled and updated by the
* `TokenizedStrategy`. The implementation holds a storage struct that
* contains all needed global variables in a manual storage slot. This
* means strategists can feel free to implement their own custom storage
* variables as they need with no concern of collisions. All global variables
* can be viewed within the Strategy by a simple call using the
* `TokenizedStrategy` variable. IE: TokenizedStrategy.globalVariable();.
*/
abstract contract BaseStrategy {
/*//////////////////////////////////////////////////////////////
MODIFIERS
//////////////////////////////////////////////////////////////*/
/**
* @dev Used on TokenizedStrategy callback functions to make sure it is post
* a delegateCall from this address to the TokenizedStrategy.
*/
modifier onlySelf() {
_onlySelf();
_;
}
/**
* @dev Use to assure that the call is coming from the strategies management.
*/
modifier onlyManagement() {
TokenizedStrategy.requireManagement(msg.sender);
_;
}
/**
* @dev Use to assure that the call is coming from either the strategies
* management or the keeper.
*/
modifier onlyKeepers() {
TokenizedStrategy.requireKeeperOrManagement(msg.sender);
_;
}
/**
* @dev Use to assure that the call is coming from either the strategies
* management or the emergency admin.
*/
modifier onlyEmergencyAuthorized() {
TokenizedStrategy.requireEmergencyAuthorized(msg.sender);
_;
}
/**
* @dev Require that the msg.sender is this address.
*/
function _onlySelf() internal view {
require(msg.sender == address(this), "!self");
}
/*//////////////////////////////////////////////////////////////
CONSTANTS
//////////////////////////////////////////////////////////////*/
/**
* @dev This is the address of the TokenizedStrategy implementation
* contract that will be used by all strategies to handle the
* accounting, logic, storage etc.
*
* Any external calls to the that don't hit one of the functions
* defined in this base or the strategy will end up being forwarded
* through the fallback function, which will delegateCall this address.
*
* This address should be the same for every strategy, never be adjusted
* and always be checked before any integration with the Strategy.
*/
address public constant tokenizedStrategyAddress =
0xBB51273D6c746910C7C06fe718f30c936170feD0;
/*//////////////////////////////////////////////////////////////
IMMUTABLES
//////////////////////////////////////////////////////////////*/
/**
* @dev Underlying asset the Strategy is earning yield on.
* Stored here for cheap retrievals within the strategy.
*/
ERC20 internal immutable asset;
/**
* @dev This variable is set to address(this) during initialization of each strategy.
*
* This can be used to retrieve storage data within the strategy
* contract as if it were a linked library.
*
* i.e. uint256 totalAssets = TokenizedStrategy.totalAssets()
*
* Using address(this) will mean any calls using this variable will lead
* to a call to itself. Which will hit the fallback function and
* delegateCall that to the actual TokenizedStrategy.
*/
ITokenizedStrategy internal immutable TokenizedStrategy;
/**
* @notice Used to initialize the strategy on deployment.
*
* This will set the `TokenizedStrategy` variable for easy
* internal view calls to the implementation. As well as
* initializing the default storage variables based on the
* parameters and using the deployer for the permissioned roles.
*
* @param _asset Address of the underlying asset.
* @param _name Name the strategy will use.
*/
constructor(address _asset, string memory _name) {
asset = ERC20(_asset);
// Set instance of the implementation for internal use.
TokenizedStrategy = ITokenizedStrategy(address(this));
// Initialize the strategy's storage variables.
_delegateCall(
abi.encodeCall(
ITokenizedStrategy.initialize,
(_asset, _name, msg.sender, msg.sender, msg.sender)
)
);
// Store the tokenizedStrategyAddress at the standard implementation
// address storage slot so etherscan picks up the interface. This gets
// stored on initialization and never updated.
assembly {
sstore(
// keccak256('eip1967.proxy.implementation' - 1)
0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc,
tokenizedStrategyAddress
)
}
}
/*//////////////////////////////////////////////////////////////
NEEDED TO BE OVERRIDDEN BY STRATEGIST
//////////////////////////////////////////////////////////////*/
/**
* @dev Can deploy up to '_amount' of 'asset' in the yield source.
*
* This function is called at the end of a {deposit} or {mint}
* call. Meaning that unless a whitelist is implemented it will
* be entirely permissionless and thus can be sandwiched or otherwise
* manipulated.
*
* @param _amount The amount of 'asset' that the strategy can attempt
* to deposit in the yield source.
*/
function _deployFunds(uint256 _amount) internal virtual;
/**
* @dev Should attempt to free the '_amount' of 'asset'.
*
* NOTE: The amount of 'asset' that is already loose has already
* been accounted for.
*
* This function is called during {withdraw} and {redeem} calls.
* Meaning that unless a whitelist is implemented it will be
* entirely permissionless and thus can be sandwiched or otherwise
* manipulated.
*
* Should not rely on asset.balanceOf(address(this)) calls other than
* for diff accounting purposes.
*
* Any difference between `_amount` and what is actually freed will be
* counted as a loss and passed on to the withdrawer. This means
* care should be taken in times of illiquidity. It may be better to revert
* if withdraws are simply illiquid so not to realize incorrect losses.
*
* @param _amount, The amount of 'asset' to be freed.
*/
function _freeFunds(uint256 _amount) internal virtual;
/**
* @dev Internal function to harvest all rewards, redeploy any idle
* funds and return an accurate accounting of all funds currently
* held by the Strategy.
*
* This should do any needed harvesting, rewards selling, accrual,
* redepositing etc. to get the most accurate view of current assets.
*
* NOTE: All applicable assets including loose assets should be
* accounted for in this function.
*
* Care should be taken when relying on oracles or swap values rather
* than actual amounts as all Strategy profit/loss accounting will
* be done based on this returned value.
*
* This can still be called post a shutdown, a strategist can check
* `TokenizedStrategy.isShutdown()` to decide if funds should be
* redeployed or simply realize any profits/losses.
*
* @return _totalAssets A trusted and accurate account for the total
* amount of 'asset' the strategy currently holds including idle funds.
*/
function _harvestAndReport()
internal
virtual
returns (uint256 _totalAssets);
/*//////////////////////////////////////////////////////////////
OPTIONAL TO OVERRIDE BY STRATEGIST
//////////////////////////////////////////////////////////////*/
/**
* @dev Optional function for strategist to override that can
* be called in between reports.
*
* If '_tend' is used tendTrigger() will also need to be overridden.
*
* This call can only be called by a permissioned role so may be
* through protected relays.
*
* This can be used to harvest and compound rewards, deposit idle funds,
* perform needed position maintenance or anything else that doesn't need
* a full report for.
*
* EX: A strategy that can not deposit funds without getting
* sandwiched can use the tend when a certain threshold
* of idle to totalAssets has been reached.
*
* This will have no effect on PPS of the strategy till report() is called.
*
* @param _totalIdle The current amount of idle funds that are available to deploy.
*/
function _tend(uint256 _totalIdle) internal virtual {}
/**
* @dev Optional trigger to override if tend() will be used by the strategy.
* This must be implemented if the strategy hopes to invoke _tend().
*
* @return . Should return true if tend() should be called by keeper or false if not.
*/
function _tendTrigger() internal view virtual returns (bool) {
return false;
}
/**
* @notice Returns if tend() should be called by a keeper.
*
* @return . Should return true if tend() should be called by keeper or false if not.
* @return . Calldata for the tend call.
*/
function tendTrigger() external view virtual returns (bool, bytes memory) {
return (
// Return the status of the tend trigger.
_tendTrigger(),
// And the needed calldata either way.
abi.encodeWithSelector(ITokenizedStrategy.tend.selector)
);
}
/**
* @notice Gets the max amount of `asset` that an address can deposit.
* @dev Defaults to an unlimited amount for any address. But can
* be overridden by strategists.
*
* This function will be called before any deposit or mints to enforce
* any limits desired by the strategist. This can be used for either a
* traditional deposit limit or for implementing a whitelist etc.
*
* EX:
* if(isAllowed[_owner]) return super.availableDepositLimit(_owner);
*
* This does not need to take into account any conversion rates
* from shares to assets. But should know that any non max uint256
* amounts may be converted to shares. So it is recommended to keep
* custom amounts low enough as not to cause overflow when multiplied
* by `totalSupply`.
*
* @param . The address that is depositing into the strategy.
* @return . The available amount the `_owner` can deposit in terms of `asset`
*/
function availableDepositLimit(
address /*_owner*/
) public view virtual returns (uint256) {
return type(uint256).max;
}
/**
* @notice Gets the max amount of `asset` that can be withdrawn.
* @dev Defaults to an unlimited amount for any address. But can
* be overridden by strategists.
*
* This function will be called before any withdraw or redeem to enforce
* any limits desired by the strategist. This can be used for illiquid
* or sandwichable strategies. It should never be lower than `totalIdle`.
*
* EX:
* return TokenIzedStrategy.totalIdle();
*
* This does not need to take into account the `_owner`'s share balance
* or conversion rates from shares to assets.
*
* @param . The address that is withdrawing from the strategy.
* @return . The available amount that can be withdrawn in terms of `asset`
*/
function availableWithdrawLimit(
address /*_owner*/
) public view virtual returns (uint256) {
return type(uint256).max;
}
/**
* @dev Optional function for a strategist to override that will
* allow management to manually withdraw deployed funds from the
* yield source if a strategy is shutdown.
*
* This should attempt to free `_amount`, noting that `_amount` may
* be more than is currently deployed.
*
* NOTE: This will not realize any profits or losses. A separate
* {report} will be needed in order to record any profit/loss. If
* a report may need to be called after a shutdown it is important
* to check if the strategy is shutdown during {_harvestAndReport}
* so that it does not simply re-deploy all funds that had been freed.
*
* EX:
* if(freeAsset > 0 && !TokenizedStrategy.isShutdown()) {
* depositFunds...
* }
*
* @param _amount The amount of asset to attempt to free.
*/
function _emergencyWithdraw(uint256 _amount) internal virtual {}
/*//////////////////////////////////////////////////////////////
TokenizedStrategy HOOKS
//////////////////////////////////////////////////////////////*/
/**
* @notice Can deploy up to '_amount' of 'asset' in yield source.
* @dev Callback for the TokenizedStrategy to call during a {deposit}
* or {mint} to tell the strategy it can deploy funds.
*
* Since this can only be called after a {deposit} or {mint}
* delegateCall to the TokenizedStrategy msg.sender == address(this).
*
* Unless a whitelist is implemented this will be entirely permissionless
* and thus can be sandwiched or otherwise manipulated.
*
* @param _amount The amount of 'asset' that the strategy can
* attempt to deposit in the yield source.
*/
function deployFunds(uint256 _amount) external virtual onlySelf {
_deployFunds(_amount);
}
/**
* @notice Should attempt to free the '_amount' of 'asset'.
* @dev Callback for the TokenizedStrategy to call during a withdraw
* or redeem to free the needed funds to service the withdraw.
*
* This can only be called after a 'withdraw' or 'redeem' delegateCall
* to the TokenizedStrategy so msg.sender == address(this).
*
* @param _amount The amount of 'asset' that the strategy should attempt to free up.
*/
function freeFunds(uint256 _amount) external virtual onlySelf {
_freeFunds(_amount);
}
/**
* @notice Returns the accurate amount of all funds currently
* held by the Strategy.
* @dev Callback for the TokenizedStrategy to call during a report to
* get an accurate accounting of assets the strategy controls.
*
* This can only be called after a report() delegateCall to the
* TokenizedStrategy so msg.sender == address(this).
*
* @return . A trusted and accurate account for the total amount
* of 'asset' the strategy currently holds including idle funds.
*/
function harvestAndReport() external virtual onlySelf returns (uint256) {
return _harvestAndReport();
}
/**
* @notice Will call the internal '_tend' when a keeper tends the strategy.
* @dev Callback for the TokenizedStrategy to initiate a _tend call in the strategy.
*
* This can only be called after a tend() delegateCall to the TokenizedStrategy
* so msg.sender == address(this).
*
* We name the function `tendThis` so that `tend` calls are forwarded to
* the TokenizedStrategy.
* @param _totalIdle The amount of current idle funds that can be
* deployed during the tend
*/
function tendThis(uint256 _totalIdle) external virtual onlySelf {
_tend(_totalIdle);
}
/**
* @notice Will call the internal '_emergencyWithdraw' function.
* @dev Callback for the TokenizedStrategy during an emergency withdraw.
*
* This can only be called after a emergencyWithdraw() delegateCall to
* the TokenizedStrategy so msg.sender == address(this).
*
* We name the function `shutdownWithdraw` so that `emergencyWithdraw`
* calls are forwarded to the TokenizedStrategy.
*
* @param _amount The amount of asset to attempt to free.
*/
function shutdownWithdraw(uint256 _amount) external virtual onlySelf {
_emergencyWithdraw(_amount);
}
/**
* @dev Function used to delegate call the TokenizedStrategy with
* certain `_calldata` and return any return values.
*
* This is used to setup the initial storage of the strategy, and
* can be used by strategist to forward any other call to the
* TokenizedStrategy implementation.
*
* @param _calldata The abi encoded calldata to use in delegatecall.
* @return . The return value if the call was successful in bytes.
*/
function _delegateCall(
bytes memory _calldata
) internal returns (bytes memory) {
// Delegate call the tokenized strategy with provided calldata.
(bool success, bytes memory result) = tokenizedStrategyAddress
.delegatecall(_calldata);
// If the call reverted. Return the error.
if (!success) {
assembly {
let ptr := mload(0x40)
let size := returndatasize()
returndatacopy(ptr, 0, size)
revert(ptr, size)
}
}
// Return the result.
return result;
}
/**
* @dev Execute a function on the TokenizedStrategy and return any value.
*
* This fallback function will be executed when any of the standard functions
* defined in the TokenizedStrategy are called since they wont be defined in
* this contract.
*
* It will delegatecall the TokenizedStrategy implementation with the exact
* calldata and return any relevant values.
*
*/
fallback() external {
// load our target address
address _tokenizedStrategyAddress = tokenizedStrategyAddress;
// Execute external function using delegatecall and return any value.
assembly {
// Copy function selector and any arguments.
calldatacopy(0, 0, calldatasize())
// Execute function delegatecall.
let result := delegatecall(
gas(),
_tokenizedStrategyAddress,
0,
calldatasize(),
0,
0
)
// Get any return value
returndatacopy(0, 0, returndatasize())
// Return any return value or error back to the caller
switch result
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
}
/**
* @title Base Health Check
* @author Yearn.finance
* @notice This contract can be inherited by any Yearn
* V3 strategy wishing to implement a health check during
* the `report` function in order to prevent any unexpected
* behavior from being permanently recorded as well as the
* `checkHealth` modifier.
*
* A strategist simply needs to inherit this contract. Set
* the limit ratios to the desired amounts and then
* override `_harvestAndReport()` just as they otherwise
* would. If the profit or loss that would be recorded is
* outside the acceptable bounds the tx will revert.
*
* The healthcheck does not prevent a strategy from reporting
* losses, but rather can make sure manual intervention is
* needed before reporting an unexpected loss or profit.
*/
abstract contract BaseHealthCheck is BaseStrategy {
// Can be used to determine if a healthcheck should be called.
// Defaults to true;
bool public doHealthCheck = true;
uint256 internal constant MAX_BPS = 10_000;
// Default profit limit to 100%.
uint256 private _profitLimitRatio = MAX_BPS;
// Defaults loss limit to 0.
uint256 private _lossLimitRatio;
constructor(
address _asset,
string memory _name
) BaseStrategy(_asset, _name) {}
/**
* @notice Returns the current profit limit ratio.
* @dev Use a getter function to keep the variable private.
* @return . The current profit limit ratio.
*/
function profitLimitRatio() public view returns (uint256) {
return _profitLimitRatio;
}
/**
* @notice Returns the current loss limit ratio.
* @dev Use a getter function to keep the variable private.
* @return . The current loss limit ratio.
*/
function lossLimitRatio() public view returns (uint256) {
return _lossLimitRatio;
}
/**
* @notice Set the `profitLimitRatio`.
* @dev Denominated in basis points. I.E. 1_000 == 10%.
* @param _newProfitLimitRatio The mew profit limit ratio.
*/
function setProfitLimitRatio(
uint256 _newProfitLimitRatio
) external onlyManagement {
_setProfitLimitRatio(_newProfitLimitRatio);
}
/**
* @dev Internally set the profit limit ratio. Denominated
* in basis points. I.E. 1_000 == 10%.
* @param _newProfitLimitRatio The mew profit limit ratio.
*/
function _setProfitLimitRatio(uint256 _newProfitLimitRatio) internal {
require(_newProfitLimitRatio > 0, "!zero profit");
_profitLimitRatio = _newProfitLimitRatio;
}
/**
* @notice Set the `lossLimitRatio`.
* @dev Denominated in basis points. I.E. 1_000 == 10%.
* @param _newLossLimitRatio The new loss limit ratio.
*/
function setLossLimitRatio(
uint256 _newLossLimitRatio
) external onlyManagement {
_setLossLimitRatio(_newLossLimitRatio);
}
/**
* @dev Internally set the loss limit ratio. Denominated
* in basis points. I.E. 1_000 == 10%.
* @param _newLossLimitRatio The new loss limit ratio.
*/
function _setLossLimitRatio(uint256 _newLossLimitRatio) internal {
require(_newLossLimitRatio < MAX_BPS, "!loss limit");
_lossLimitRatio = _newLossLimitRatio;
}
/**
* @notice Turns the healthcheck on and off.
* @dev If turned off the next report will auto turn it back on.
* @param _doHealthCheck Bool if healthCheck should be done.
*/
function setDoHealthCheck(bool _doHealthCheck) public onlyManagement {
doHealthCheck = _doHealthCheck;
}
/**
* @notice OVerrides the default {harvestAndReport} to include a healthcheck.
* @return _totalAssets New totalAssets post report.
*/
function harvestAndReport()
external
override
onlySelf
returns (uint256 _totalAssets)
{
// Let the strategy report.
_totalAssets = _harvestAndReport();
// Run the healthcheck on the amount returned.
_executeHealthCheck(_totalAssets);
}
/**
* @dev To be called during a report to make sure the profit
* or loss being recorded is within the acceptable bound.
*
* @param _newTotalAssets The amount that will be reported.
*/
function _executeHealthCheck(uint256 _newTotalAssets) internal virtual {
if (!doHealthCheck) {
doHealthCheck = true;
return;
}
// Get the current total assets from the implementation.
uint256 currentTotalAssets = TokenizedStrategy.totalAssets();
if (_newTotalAssets > currentTotalAssets) {
require(
((_newTotalAssets - currentTotalAssets) <=
(currentTotalAssets * _profitLimitRatio) / MAX_BPS),
"healthCheck"
);
} else if (currentTotalAssets > _newTotalAssets) {
require(
(currentTotalAssets - _newTotalAssets <=
((currentTotalAssets * _lossLimitRatio) / MAX_BPS)),
"healthCheck"
);
}
}
}
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
enum Rounding {
Down, // Toward negative infinity
Up, // Toward infinity
Zero // Toward zero
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds up instead
* of rounding down.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b - 1) / b can overflow on addition, so we distribute.
return a == 0 ? 0 : (a - 1) / b + 1;
}
/**
* @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
* @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
* with further edits by Uniswap Labs also under MIT license.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
// use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2^256 + prod0.
uint256 prod0; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2^256. Also prevents denominator == 0.
require(denominator > prod1, "Math: mulDiv overflow");
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
// See https://cs.stackexchange.com/q/138556/92363.
// Does not overflow because the denominator cannot be zero at this stage in the function.
uint256 twos = denominator & (~denominator + 1);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
// that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv = 1 mod 2^4.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
// in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2^8
inverse *= 2 - denominator * inverse; // inverse mod 2^16
inverse *= 2 - denominator * inverse; // inverse mod 2^32
inverse *= 2 - denominator * inverse; // inverse mod 2^64
inverse *= 2 - denominator * inverse; // inverse mod 2^128
inverse *= 2 - denominator * inverse; // inverse mod 2^256
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
// less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
*
* Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
*/
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
// For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
//
// We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
// `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
//
// This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
// → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
// → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
//
// Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
uint256 result = 1 << (log2(a) >> 1);
// At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
// since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
// every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
// into the expected uint128 result.
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
/**
* @notice Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
/**
* @dev Return the log in base 2, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 10, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 256, rounded down, of a positive value.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
}
}
}
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using Address for address;
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
* Revert on invalid signature.
*/
function safePermit(
IERC20Permit token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
// and not revert is the subcall reverts.
(bool success, bytes memory returndata) = address(token).call(data);
return
success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
}
}
/**
* @title Base4626Compounder
* @dev Can be used to make a simple strategy that compounds
* rewards for any 4626 vault.
*/
contract Base4626Compounder is BaseHealthCheck {
using SafeERC20 for ERC20;
IStrategy public immutable vault;
constructor(
address _asset,
string memory _name,
address _vault
) BaseHealthCheck(_asset, _name) {
require(IStrategy(_vault).asset() == _asset, "wrong vault");
vault = IStrategy(_vault);
asset.safeApprove(_vault, type(uint256).max);
}
/*//////////////////////////////////////////////////////////////
NEEDED TO BE OVERRIDDEN BY STRATEGIST
//////////////////////////////////////////////////////////////*/
/**
* @dev Should deploy up to '_amount' of 'asset' in the yield source.
*
* This function is called at the end of a {deposit} or {mint}
* call. Meaning that unless a whitelist is implemented it will
* be entirely permissionless and thus can be sandwiched or otherwise
* manipulated.
*
* @param _amount The amount of 'asset' that the strategy should attempt
* to deposit in the yield source.
*/
function _deployFunds(uint256 _amount) internal virtual override {
vault.deposit(_amount, address(this));
_stake();
}
/**
* @dev Will attempt to free the '_amount' of 'asset'.
*
* The amount of 'asset' that is already loose has already
* been accounted for.
*
* This function is called during {withdraw} and {redeem} calls.
* Meaning that unless a whitelist is implemented it will be
* entirely permissionless and thus can be sandwiched or otherwise
* manipulated.
*
* Should not rely on asset.balanceOf(address(this)) calls other than
* for diff accounting purposes.
*
* Any difference between `_amount` and what is actually freed will be
* counted as a loss and passed on to the withdrawer. This means
* care should be taken in times of illiquidity. It may be better to revert
* if withdraws are simply illiquid so not to realize incorrect losses.
*
* @param _amount, The amount of 'asset' to be freed.
*/
function _freeFunds(uint256 _amount) internal virtual override {
uint256 shares = vault.convertToShares(_amount);
uint256 vaultBalance = balanceOfVault();
if (shares > vaultBalance) {
unchecked {
_unStake(shares - vaultBalance);
}
shares = Math.min(shares, balanceOfVault());
}
vault.redeem(shares, address(this), address(this));
}
/**
* @dev Internal function to harvest all rewards, redeploy any idle
* funds and return an accurate accounting of all funds currently
* held by the Strategy.
*
* This should do any needed harvesting, rewards selling, accrual,
* redepositing etc. to get the most accurate view of current assets.
*
* NOTE: All applicable assets including loose assets should be
* accounted for in this function.
*
* Care should be taken when relying on oracles or swap values rather
* than actual amounts as all Strategy profit/loss accounting will
* be done based on this returned value.
*
* This can still be called post a shutdown, a strategist can check
* `TokenizedStrategy.isShutdown()` to decide if funds should be
* redeployed or simply realize any profits/losses.
*
* @return _totalAssets A trusted and accurate account for the total
* amount of 'asset' the strategy currently holds including idle funds.
*/
function _harvestAndReport()
internal
virtual
override
returns (uint256 _totalAssets)
{
// Claim and sell any rewards.
_claimAndSellRewards();
// Return total balance
_totalAssets = balanceOfAsset() + valueOfVault();
}
/**
* @dev Override to stake loose vault tokens after they
* are deposited to the `vault`.
*/
function _stake() internal virtual {}
/**
* @dev If vault tokens are staked, override to unstake them before
* any withdraw or redeems.
* @param _amount The amount of vault tokens to unstake.
*/
function _unStake(uint256 _amount) internal virtual {}
/**
* @dev Called during reports to do any harvesting of rewards needed.
*/
function _claimAndSellRewards() internal virtual {}
/**
* @notice Return the current loose balance of this strategies `asset`.
*/
function balanceOfAsset() public view virtual returns (uint256) {
return asset.balanceOf(address(this));
}
/**
* @notice Return the current balance of the strategies vault shares.
*/
function balanceOfVault() public view virtual returns (uint256) {
return vault.balanceOf(address(this));
}
/**
* @notice If the vaults tokens are staked. To override and return the
* amount of vault tokens the strategy has staked.
*/
function balanceOfStake() public view virtual returns (uint256) {}
/**
* @notice The full value denominated in `asset` of the strategies vault
* tokens held both in the contract and staked.
*/
function valueOfVault() public view virtual returns (uint256) {
return vault.convertToAssets(balanceOfVault() + balanceOfStake());
}
/**
* @notice The max amount of `asset` than can be redeemed from the vault.
* @dev If the vault tokens are staked this needs to include the
* vault.maxRedeem(stakingContract) to be accurate.
*
* NOTE: This should use vault.convertToAssets(vault.maxRedeem(address));
* rather than vault.maxWithdraw(address);
*/
function vaultsMaxWithdraw() public view virtual returns (uint256) {
return vault.convertToAssets(vault.maxRedeem(address(this)));
}
/**
* @notice Gets the max amount of `asset` that an address can deposit.
* @dev Defaults to an unlimited amount for any address. But can
* be overridden by strategists.
*
* This function will be called before any deposit or mints to enforce
* any limits desired by the strategist. This can be used for either a
* traditional deposit limit or for implementing a whitelist etc.
*
* EX:
* if(isAllowed[_owner]) return super.availableDepositLimit(_owner);
*
* This does not need to take into account any conversion rates
* from shares to assets. But should know that any non max uint256
* amounts may be converted to shares. So it is recommended to keep
* custom amounts low enough as not to cause overflow when multiplied
* by `totalSupply`.
*
* @param . The address that is depositing into the strategy.
* @return . The available amount the `_owner` can deposit in terms of `asset`
*/
function availableDepositLimit(
address
) public view virtual override returns (uint256) {
// Return the max amount the vault will allow for deposits.
return vault.maxDeposit(address(this));
}
/**
* @notice Gets the max amount of `asset` that can be withdrawn.
* @dev Defaults to an unlimited amount for any address. But can
* be overridden by strategists.
*
* This function will be called before any withdraw or redeem to enforce
* any limits desired by the strategist. This can be used for illiquid
* or sandwichable strategies. It should never be lower than `totalIdle`.
*
* EX:
* return TokenIzedStrategy.totalIdle();
*
* This does not need to take into account the `_owner`'s share balance
* or conversion rates from shares to assets.
*
* @param . The address that is withdrawing from the strategy.
* @return . The available amount that can be withdrawn in terms of `asset`
*/
function availableWithdrawLimit(
address
) public view virtual override returns (uint256) {
// Return the loose balance of asset and the max we can withdraw from the vault
return balanceOfAsset() + vaultsMaxWithdraw();
}
/**
* @dev Optional function for a strategist to override that will
* allow management to manually withdraw deployed funds from the
* yield source if a strategy is shutdown.
*
* This should attempt to free `_amount`, noting that `_amount` may
* be more than is currently deployed.
*
* NOTE: This will not realize any profits or losses. A separate
* {report} will be needed in order to record any profit/loss. If
* a report may need to be called after a shutdown it is important
* to check if the strategy is shutdown during {_harvestAndReport}
* so that it does not simply re-deploy all funds that had been freed.
*
* EX:
* if(freeAsset > 0 && !TokenizedStrategy.isShutdown()) {
* depositFunds...
* }
*
* @param _amount The amount of asset to attempt to free.
*/
function _emergencyWithdraw(uint256 _amount) internal virtual override {
_freeFunds(Math.min(_amount, vaultsMaxWithdraw()));
}
}
// Math library from https://github.com/ajna-finance/ajna-core/blob/master/src/libraries/internal/Maths.sol
/**
@title Maths library
@notice Internal library containing common maths.
*/
library Maths {
uint256 internal constant WAD = 1e18;
uint256 internal constant RAY = 1e27;
function wmul(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * y + WAD / 2) / WAD;
}
function floorWmul(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * y) / WAD;
}
function ceilWmul(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * y + WAD - 1) / WAD;
}
function wdiv(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * WAD + y / 2) / y;
}
function floorWdiv(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * WAD) / y;
}
function ceilWdiv(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * WAD + y - 1) / y;
}
function ceilDiv(uint256 x, uint256 y) internal pure returns (uint256) {
return (x + y - 1) / y;
}
function max(uint256 x, uint256 y) internal pure returns (uint256) {
return x >= y ? x : y;
}
function min(uint256 x, uint256 y) internal pure returns (uint256) {
return x <= y ? x : y;
}
function wad(uint256 x) internal pure returns (uint256) {
return x * WAD;
}
function rmul(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * y + RAY / 2) / RAY;
}
function rpow(uint256 x, uint256 n) internal pure returns (uint256 z) {
z = n % 2 != 0 ? x : RAY;
for (n /= 2; n != 0; n /= 2) {
x = rmul(x, x);
if (n % 2 != 0) {
z = rmul(z, x);
}
}
}
/*************************/
/*** Integer Functions ***/
/*************************/
function maxInt(int256 x, int256 y) internal pure returns (int256) {
return x >= y ? x : y;
}
function minInt(int256 x, int256 y) internal pure returns (int256) {
return x <= y ? x : y;
}
}
contract Governance {
/// @notice Emitted when the governance address is updated.
event GovernanceTransferred(
address indexed previousGovernance,
address indexed newGovernance
);
modifier onlyGovernance() {
_checkGovernance();
_;
}
/// @notice Checks if the msg sender is the governance.
function _checkGovernance() internal view virtual {
require(governance == msg.sender, "!governance");
}
/// @notice Address that can set the default base fee and provider
address public governance;
constructor(address _governance) {
governance = _governance;
emit GovernanceTransferred(address(0), _governance);
}
/**
* @notice Sets a new address as the governance of the contract.
* @dev Throws if the caller is not current governance.
* @param _newGovernance The new governance address.
*/
function transferGovernance(
address _newGovernance
) external virtual onlyGovernance {
require(_newGovernance != address(0), "ZERO ADDRESS");
address oldGovernance = governance;
governance = _newGovernance;
emit GovernanceTransferred(oldGovernance, _newGovernance);
}
}
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
// On the first call to nonReentrant, _status will be _NOT_ENTERED
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
}
function _nonReentrantAfter() private {
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
/**
* @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
* `nonReentrant` function in the call stack.
*/
function _reentrancyGuardEntered() internal view returns (bool) {
return _status == _ENTERED;
}
}
interface ITaker {
function auctionTakeCallback(
bytes32 _auctionId,
address _sender,
uint256 _amountTaken,
uint256 _amountNeeded,
bytes calldata _data
) external;
}
/// @notice Interface that the optional `hook` contract should implement if the non-standard logic is desired.
interface IHook {
function kickable(address _fromToken) external view returns (uint256);
function auctionKicked(address _fromToken) external returns (uint256);
function preTake(
address _fromToken,
uint256 _amountToTake,
uint256 _amountToPay
) external;
function postTake(
address _toToken,
uint256 _amountTaken,
uint256 _amountPayed
) external;
}
/**
* @title Auction
* @author yearn.fi
* @notice General use dutch auction contract for token sales.
*/
contract Auction is Governance, ReentrancyGuard {
using SafeERC20 for ERC20;
/// @notice Emitted when a new auction is enabled
event AuctionEnabled(
bytes32 auctionId,
address indexed from,
address indexed to,
address indexed auctionAddress
);
/// @notice Emitted when an auction is disabled.
event AuctionDisabled(
bytes32 auctionId,
address indexed from,
address indexed to,
address indexed auctionAddress
);
/// @notice Emitted when auction has been kicked.
event AuctionKicked(bytes32 auctionId, uint256 available);
/// @notice Emitted when any amount of an active auction was taken.
event AuctionTaken(
bytes32 auctionId,
uint256 amountTaken,
uint256 amountLeft
);
/// @dev Store address and scaler in one slot.
struct TokenInfo {
address tokenAddress;
uint96 scaler;
}
/// @notice Store all the auction specific information.
struct AuctionInfo {
TokenInfo fromInfo;
uint96 kicked;
address receiver;
uint128 initialAvailable;
uint128 currentAvailable;
}
/// @notice Store the hook address and each flag in one slot.
struct Hook {
address hook;
bool kickable;
bool kick;
bool preTake;
bool postTake;
}
uint256 internal constant WAD = 1e18;
/// @notice Used for the price decay.
uint256 internal constant MINUTE_HALF_LIFE =
0.988514020352896135_356867505 * 1e27; // 0.5^(1/60)
/// @notice Struct to hold the info for `want`.
TokenInfo internal wantInfo;
/// @notice Contract to call during write functions.
Hook internal hook_;
/// @notice The amount to start the auction at.
uint256 public startingPrice;
/// @notice The time that each auction lasts.
uint256 public auctionLength;
/// @notice The minimum time to wait between auction 'kicks'.
uint256 public auctionCooldown;
/// @notice Mapping from an auction ID to its struct.
mapping(bytes32 => AuctionInfo) public auctions;
/// @notice Array of all the enabled auction for this contract.
bytes32[] public enabledAuctions;
constructor() Governance(msg.sender) {}
/**
* @notice Initializes the Auction contract with initial parameters.
* @param _want Address this auction is selling to.
* @param _hook Address of the hook contract (optional).
* @param _governance Address of the contract governance.
* @param _auctionLength Duration of each auction in seconds.
* @param _auctionCooldown Cooldown period between auctions in seconds.
* @param _startingPrice Starting price for each auction.
*/
function initialize(
address _want,
address _hook,
address _governance,
uint256 _auctionLength,
uint256 _auctionCooldown,
uint256 _startingPrice
) external virtual {
require(auctionLength == 0, "initialized");
require(_want != address(0), "ZERO ADDRESS");
require(_auctionLength != 0, "length");
require(_auctionLength < _auctionCooldown, "cooldown");
require(_startingPrice != 0, "starting price");
// Cannot have more than 18 decimals.
uint256 decimals = ERC20(_want).decimals();
require(decimals <= 18, "unsupported decimals");
// Set variables
wantInfo = TokenInfo({
tokenAddress: _want,
scaler: uint96(WAD / 10 ** decimals)
});
// If we are using a hook.
if (_hook != address(0)) {
// All flags default to true.
hook_ = Hook({
hook: _hook,
kickable: true,
kick: true,
preTake: true,
postTake: true
});
}
governance = _governance;
auctionLength = _auctionLength;
auctionCooldown = _auctionCooldown;
startingPrice = _startingPrice;
}
/*//////////////////////////////////////////////////////////////
VIEW METHODS
//////////////////////////////////////////////////////////////*/
/**
* @notice Get the address of this auctions want token.
* @return . The want token.
*/
function want() public view virtual returns (address) {
return wantInfo.tokenAddress;
}
/**
* @notice Get the address of the hook if any.
* @return . The hook.
*/
function hook() external view virtual returns (address) {
return hook_.hook;
}
/**
* @notice Get the current status of which hooks are being used.
* @return . If the kickable hook is used.
* @return . If the kick hook is used.
* @return . If the preTake hook is used.
* @return . If the postTake hook is used.
*/
function getHookFlags()
external
view
virtual
returns (bool, bool, bool, bool)
{
Hook memory _hook;
return (_hook.kickable, _hook.kick, _hook.preTake, _hook.postTake);
}
/**
* @notice Get the length of the enabled auctions array.
*/
function numberOfEnabledAuctions() external view virtual returns (uint256) {
return enabledAuctions.length;
}
/**
* @notice Get the unique auction identifier.
* @param _from The address of the token to sell.
* @return bytes32 A unique auction identifier.
*/
function getAuctionId(address _from) public view virtual returns (bytes32) {
return keccak256(abi.encodePacked(_from, want(), address(this)));
}
/**
* @notice Retrieves information about a specific auction.
* @param _auctionId The unique identifier of the auction.
* @return _from The address of the token to sell.
* @return _to The address of the token to buy.
* @return _kicked The timestamp of the last kick.
* @return _available The current available amount for the auction.
*/
function auctionInfo(
bytes32 _auctionId
)
public
view
virtual
returns (
address _from,
address _to,
uint256 _kicked,
uint256 _available
)
{
AuctionInfo memory auction = auctions[_auctionId];
return (
auction.fromInfo.tokenAddress,
want(),
auction.kicked,
auction.kicked + auctionLength > block.timestamp
? auction.currentAvailable
: 0
);
}
/**
* @notice Get the pending amount available for the next auction.
* @dev Defaults to the auctions balance of the from token if no hook.
* @param _auctionId The unique identifier of the auction.
* @return uint256 The amount that can be kicked into the auction.
*/
function kickable(
bytes32 _auctionId
) external view virtual returns (uint256) {
// If not enough time has passed then `kickable` is 0.
if (auctions[_auctionId].kicked + auctionCooldown > block.timestamp) {
return 0;
}
// Check if we have a hook to call.
Hook memory _hook = hook_;
if (_hook.kickable) {
// If so default to the hooks logic.
return
IHook(_hook.hook).kickable(
auctions[_auctionId].fromInfo.tokenAddress
);
} else {
// Else just use the full balance of this contract.
return
ERC20(auctions[_auctionId].fromInfo.tokenAddress).balanceOf(
address(this)
);
}
}
/**
* @notice Gets the amount of `want` needed to buy a specific amount of `from`.
* @param _auctionId The unique identifier of the auction.
* @param _amountToTake The amount of `from` to take in the auction.
* @return . The amount of `want` needed to fulfill the take amount.
*/
function getAmountNeeded(
bytes32 _auctionId,
uint256 _amountToTake
) external view virtual returns (uint256) {
return
_getAmountNeeded(
auctions[_auctionId],
_amountToTake,
block.timestamp
);
}
/**
* @notice Gets the amount of `want` needed to buy a specific amount of `from` at a specific timestamp.
* @param _auctionId The unique identifier of the auction.
* @param _amountToTake The amount `from` to take in the auction.
* @param _timestamp The specific timestamp for calculating the amount needed.
* @return . The amount of `want` needed to fulfill the take amount.
*/
function getAmountNeeded(
bytes32 _auctionId,
uint256 _amountToTake,
uint256 _timestamp
) external view virtual returns (uint256) {
return
_getAmountNeeded(auctions[_auctionId], _amountToTake, _timestamp);
}
/**
* @dev Return the amount of `want` needed to buy `_amountToTake`.
*/
function _getAmountNeeded(
AuctionInfo memory _auction,
uint256 _amountToTake,
uint256 _timestamp
) internal view virtual returns (uint256) {
return
// Scale _amountToTake to 1e18
(_amountToTake *
_auction.fromInfo.scaler *
// Price is always 1e18
_price(
_auction.kicked,
_auction.initialAvailable * _auction.fromInfo.scaler,
_timestamp
)) /
1e18 /
// Scale back down to want.
wantInfo.scaler;
}
/**
* @notice Gets the price of the auction at the current timestamp.
* @param _auctionId The unique identifier of the auction.
* @return . The price of the auction.
*/
function price(bytes32 _auctionId) external view virtual returns (uint256) {
return price(_auctionId, block.timestamp);
}
/**
* @notice Gets the price of the auction at a specific timestamp.
* @param _auctionId The unique identifier of the auction.
* @param _timestamp The specific timestamp for calculating the price.
* @return . The price of the auction.
*/
function price(
bytes32 _auctionId,
uint256 _timestamp
) public view virtual returns (uint256) {
// Get unscaled price and scale it down.
return
_price(
auctions[_auctionId].kicked,
auctions[_auctionId].initialAvailable *
auctions[_auctionId].fromInfo.scaler,
_timestamp
) / wantInfo.scaler;
}
/**
* @dev Internal function to calculate the scaled price based on auction parameters.
* @param _kicked The timestamp the auction was kicked.
* @param _available The initial available amount scaled 1e18.
* @param _timestamp The specific timestamp for calculating the price.
* @return . The calculated price scaled to 1e18.
*/
function _price(
uint256 _kicked,
uint256 _available,
uint256 _timestamp
) internal view virtual returns (uint256) {
if (_available == 0) return 0;
uint256 secondsElapsed = _timestamp - _kicked;
if (secondsElapsed > auctionLength) return 0;
// Exponential decay from https://github.com/ajna-finance/ajna-core/blob/master/src/libraries/helpers/PoolHelper.sol
uint256 hoursComponent = 1e27 >> (secondsElapsed / 3600);
uint256 minutesComponent = Maths.rpow(
MINUTE_HALF_LIFE,
(secondsElapsed % 3600) / 60
);
uint256 initialPrice = Maths.wdiv(startingPrice * 1e18, _available);
return
(initialPrice * Maths.rmul(hoursComponent, minutesComponent)) /
1e27;
}
/*//////////////////////////////////////////////////////////////
SETTERS
//////////////////////////////////////////////////////////////*/
/**
* @notice Enables a new auction.
* @dev Uses governance as the receiver.
* @param _from The address of the token to be auctioned.
* @return . The unique identifier of the enabled auction.
*/
function enable(address _from) external virtual returns (bytes32) {
return enable(_from, msg.sender);
}
/**
* @notice Enables a new auction.
* @param _from The address of the token to be auctioned.
* @param _receiver The address that will receive the funds in the auction.
* @return _auctionId The unique identifier of the enabled auction.
*/
function enable(
address _from,
address _receiver
) public virtual onlyGovernance returns (bytes32 _auctionId) {
address _want = want();
require(_from != address(0) && _from != _want, "ZERO ADDRESS");
require(
_receiver != address(0) && _receiver != address(this),
"receiver"
);
// Cannot have more than 18 decimals.
uint256 decimals = ERC20(_from).decimals();
require(decimals <= 18, "unsupported decimals");
// Calculate the id.
_auctionId = getAuctionId(_from);
require(
auctions[_auctionId].fromInfo.tokenAddress == address(0),
"already enabled"
);
// Store all needed info.
auctions[_auctionId].fromInfo = TokenInfo({
tokenAddress: _from,
scaler: uint96(WAD / 10 ** decimals)
});
auctions[_auctionId].receiver = _receiver;
// Add to the array.
enabledAuctions.push(_auctionId);
emit AuctionEnabled(_auctionId, _from, _want, address(this));
}
/**
* @notice Disables an existing auction.
* @dev Only callable by governance.
* @param _from The address of the token being sold.
*/
function disable(address _from) external virtual {
disable(_from, 0);
}
/**
* @notice Disables an existing auction.
* @dev Only callable by governance.
* @param _from The address of the token being sold.
* @param _index The index the auctionId is at in the array.
*/
function disable(
address _from,
uint256 _index
) public virtual onlyGovernance {
bytes32 _auctionId = getAuctionId(_from);
// Make sure the auction was enabled.
require(
auctions[_auctionId].fromInfo.tokenAddress != address(0),
"not enabled"
);
// Remove the struct.
delete auctions[_auctionId];
// Remove the auction ID from the array.
bytes32[] memory _enabledAuctions = enabledAuctions;
if (_enabledAuctions[_index] != _auctionId) {
// If the _index given is not the id find it.
for (uint256 i = 0; i < _enabledAuctions.length; ++i) {
if (_enabledAuctions[i] == _auctionId) {
_index = i;
break;
}
}
}
// Move the id to the last spot if not there.
if (_index < _enabledAuctions.length - 1) {
_enabledAuctions[_index] = _enabledAuctions[
_enabledAuctions.length - 1
];
// Update the array.
enabledAuctions = _enabledAuctions;
}
// Pop the id off the array.
enabledAuctions.pop();
emit AuctionDisabled(_auctionId, _from, want(), address(this));
}
/**
* @notice Set the flags to be used with hook.
* @param _kickable If the kickable hook should be used.
* @param _kick If the kick hook should be used.
* @param _preTake If the preTake hook should be used.
* @param _postTake If the postTake should be used.
*/
function setHookFlags(
bool _kickable,
bool _kick,
bool _preTake,
bool _postTake
) external virtual onlyGovernance {
address _hook = hook_.hook;
require(_hook != address(0), "no hook set");
hook_ = Hook({
hook: _hook,
kickable: _kickable,
kick: _kick,
preTake: _preTake,
postTake: _postTake
});
}
/*//////////////////////////////////////////////////////////////
PARTICIPATE IN AUCTION
//////////////////////////////////////////////////////////////*/
/**
* @notice Kicks off an auction, updating its status and making funds available for bidding.
* @param _auctionId The unique identifier of the auction.
* @return available The available amount for bidding on in the auction.
*/
function kick(
bytes32 _auctionId
) external virtual nonReentrant returns (uint256 available) {
address _fromToken = auctions[_auctionId].fromInfo.tokenAddress;
require(_fromToken != address(0), "not enabled");
require(
block.timestamp > auctions[_auctionId].kicked + auctionCooldown,
"too soon"
);
Hook memory _hook = hook_;
// Use hook if defined.
if (_hook.kick) {
available = IHook(_hook.hook).auctionKicked(_fromToken);
} else {
// Else just use current balance.
available = ERC20(_fromToken).balanceOf(address(this));
}
require(available != 0, "nothing to kick");
// Update the auctions status.
auctions[_auctionId].kicked = uint96(block.timestamp);
auctions[_auctionId].initialAvailable = uint128(available);
auctions[_auctionId].currentAvailable = uint128(available);
emit AuctionKicked(_auctionId, available);
}
/**
* @notice Take the token being sold in a live auction.
* @dev Defaults to taking the full amount and sending to the msg sender.
* @param _auctionId The unique identifier of the auction.
* @return . The amount of fromToken taken in the auction.
*/
function take(bytes32 _auctionId) external virtual returns (uint256) {
return _take(_auctionId, type(uint256).max, msg.sender, new bytes(0));
}
/**
* @notice Take the token being sold in a live auction with a specified maximum amount.
* @dev Uses the sender's address as the receiver.
* @param _auctionId The unique identifier of the auction.
* @param _maxAmount The maximum amount of fromToken to take in the auction.
* @return . The amount of fromToken taken in the auction.
*/
function take(
bytes32 _auctionId,
uint256 _maxAmount
) external virtual returns (uint256) {
return _take(_auctionId, _maxAmount, msg.sender, new bytes(0));
}
/**
* @notice Take the token being sold in a live auction.
* @param _auctionId The unique identifier of the auction.
* @param _maxAmount The maximum amount of fromToken to take in the auction.
* @param _receiver The address that will receive the fromToken.
* @return _amountTaken The amount of fromToken taken in the auction.
*/
function take(
bytes32 _auctionId,
uint256 _maxAmount,
address _receiver
) external virtual returns (uint256) {
return _take(_auctionId, _maxAmount, _receiver, new bytes(0));
}
/**
* @notice Take the token being sold in a live auction.
* @param _auctionId The unique identifier of the auction.
* @param _maxAmount The maximum amount of fromToken to take in the auction.
* @param _receiver The address that will receive the fromToken.
* @param _data The data signify the callback should be used and sent with it.
* @return _amountTaken The amount of fromToken taken in the auction.
*/
function take(
bytes32 _auctionId,
uint256 _maxAmount,
address _receiver,
bytes calldata _data
) external virtual returns (uint256) {
return _take(_auctionId, _maxAmount, _receiver, _data);
}
/// @dev Implements the take of the auction.
function _take(
bytes32 _auctionId,
uint256 _maxAmount,
address _receiver,
bytes memory _data
) internal virtual nonReentrant returns (uint256 _amountTaken) {
AuctionInfo memory auction = auctions[_auctionId];
// Make sure the auction is active.
require(
auction.kicked + auctionLength >= block.timestamp,
"not kicked"
);
// Max amount that can be taken.
_amountTaken = auction.currentAvailable > _maxAmount
? _maxAmount
: auction.currentAvailable;
// Get the amount needed
uint256 needed = _getAmountNeeded(
auction,
_amountTaken,
block.timestamp
);
require(needed != 0, "zero needed");
// How much is left in this auction.
uint256 left;
unchecked {
left = auction.currentAvailable - _amountTaken;
}
auctions[_auctionId].currentAvailable = uint128(left);
Hook memory _hook = hook_;
if (_hook.preTake) {
// Use hook if defined.
IHook(_hook.hook).preTake(
auction.fromInfo.tokenAddress,
_amountTaken,
needed
);
}
// Send `from`.
ERC20(auction.fromInfo.tokenAddress).safeTransfer(
_receiver,
_amountTaken
);
// If the caller has specified data.
if (_data.length != 0) {
// Do the callback.
ITaker(_receiver).auctionTakeCallback(
_auctionId,
msg.sender,
_amountTaken,
needed,
_data
);
}
// Cache the want address.
address _want = want();
// Pull `want`.
ERC20(_want).safeTransferFrom(msg.sender, auction.receiver, needed);
// Post take hook if defined.
if (_hook.postTake) {
IHook(_hook.hook).postTake(_want, _amountTaken, needed);
}
emit AuctionTaken(_auctionId, _amountTaken, left);
}
}
contract Clonable {
/// @notice Set to the address to auto clone from.
address public original;
/**
* @notice Clone the contracts default `original` contract.
* @return Address of the new Minimal Proxy clone.
*/
function _clone() internal virtual returns (address) {
return _clone(original);
}
/**
* @notice Clone any `_original` contract.
* @return _newContract Address of the new Minimal Proxy clone.
*/
function _clone(
address _original
) internal virtual returns (address _newContract) {
// Copied from https://github.com/optionality/clone-factory/blob/master/contracts/CloneFactory.sol
bytes20 addressBytes = bytes20(_original);
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(
clone_code,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
mstore(add(clone_code, 0x14), addressBytes)
mstore(
add(clone_code, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
_newContract := create(0, clone_code, 0x37)
}
}
}
/// @title AuctionFactory
/// @notice Deploy a new Auction.
contract AuctionFactory is Clonable {
event DeployedNewAuction(address indexed auction, address indexed want);
/// @notice The time that each auction lasts.
uint256 public constant DEFAULT_AUCTION_LENGTH = 1 days;
/// @notice The minimum time to wait between auction 'kicks'.
uint256 public constant DEFAULT_AUCTION_COOLDOWN = 5 days;
/// @notice The amount to start the auction with.
uint256 public constant DEFAULT_STARTING_PRICE = 1_000_000;
/// @notice Full array of all auctions deployed through this factory.
address[] public auctions;
constructor() {
// Deploy the original
original = address(new Auction());
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(address _want) external returns (address) {
return
_createNewAuction(
_want,
address(0),
msg.sender,
DEFAULT_AUCTION_LENGTH,
DEFAULT_AUCTION_COOLDOWN,
DEFAULT_STARTING_PRICE
);
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @param _hook Address of the hook contract if any.
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(
address _want,
address _hook
) external returns (address) {
return
_createNewAuction(
_want,
_hook,
msg.sender,
DEFAULT_AUCTION_LENGTH,
DEFAULT_AUCTION_COOLDOWN,
DEFAULT_STARTING_PRICE
);
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @param _hook Address of the hook contract if any.
* @param _governance Address allowed to enable and disable auctions.
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(
address _want,
address _hook,
address _governance
) external returns (address) {
return
_createNewAuction(
_want,
_hook,
_governance,
DEFAULT_AUCTION_LENGTH,
DEFAULT_AUCTION_COOLDOWN,
DEFAULT_STARTING_PRICE
);
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @param _hook Address of the hook contract if any.
* @param _governance Address allowed to enable and disable auctions.
* @param _auctionLength Length of the auction in seconds.
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(
address _want,
address _hook,
address _governance,
uint256 _auctionLength
) external returns (address) {
return
_createNewAuction(
_want,
_hook,
_governance,
_auctionLength,
DEFAULT_AUCTION_COOLDOWN,
DEFAULT_STARTING_PRICE
);
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @param _hook Address of the hook contract if any.
* @param _governance Address allowed to enable and disable auctions.
* @param _auctionLength Length of the auction in seconds.
* @param _auctionCooldown Minimum time period between kicks in seconds.
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(
address _want,
address _hook,
address _governance,
uint256 _auctionLength,
uint256 _auctionCooldown
) external returns (address) {
return
_createNewAuction(
_want,
_hook,
_governance,
_auctionLength,
_auctionCooldown,
DEFAULT_STARTING_PRICE
);
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @param _hook Address of the hook contract if any.
* @param _governance Address allowed to enable and disable auctions.
* @param _auctionLength Length of the auction in seconds.
* @param _auctionCooldown Minimum time period between kicks in seconds.
* @param _startingPrice Starting price for the auction (no decimals).
* NOTE: The starting price should be without decimals (1k == 1_000).
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(
address _want,
address _hook,
address _governance,
uint256 _auctionLength,
uint256 _auctionCooldown,
uint256 _startingPrice
) external returns (address) {
return
_createNewAuction(
_want,
_hook,
_governance,
_auctionLength,
_auctionCooldown,
_startingPrice
);
}
/**
* @dev Deploys and initializes a new Auction
*/
function _createNewAuction(
address _want,
address _hook,
address _governance,
uint256 _auctionLength,
uint256 _auctionCooldown,
uint256 _startingPrice
) internal returns (address _newAuction) {
_newAuction = _clone();
Auction(_newAuction).initialize(
_want,
_hook,
_governance,
_auctionLength,
_auctionCooldown,
_startingPrice
);
auctions.push(_newAuction);
emit DeployedNewAuction(_newAuction, _want);
}
/**
* @notice Get the full list of auctions deployed through this factory.
*/
function getAllAuctions() external view returns (address[] memory) {
return auctions;
}
/**
* @notice Get the total number of auctions deployed through this factory.
*/
function numberOfAuctions() external view returns (uint256) {
return auctions.length;
}
}
/**
* @title AuctionSwapper
* @author yearn.fi
* @dev Helper contract for a strategy to use dutch auctions for token sales.
*
* This contract is meant to be inherited by a V3 strategy in order
* to easily integrate dutch auctions into a contract for token swaps.
*
* The strategist will need to implement a way to call `_enableAuction`
* for an token pair they want to use, or a setter to manually set the
* `auction` contract.
*
* The contract comes with all of the needed function to act as a `hook`
* contract for the specific auction contract with the ability to override
* any of the functions to implement custom hooks.
*
* NOTE: If any hooks are not desired, the strategist should also
* implement a way to call the {setHookFlags} on the auction contract
* to avoid unnecessary gas for unused functions.
*/
contract AuctionSwapper {
using SafeERC20 for ERC20;
modifier onlyAuction() {
_isAuction();
_;
}
/**
* @dev Check the caller is the auction contract for hooks.
*/
function _isAuction() internal view virtual {
require(msg.sender == auction, "!auction");
}
/// @notice The pre-deployed Auction factory for cloning.
address public constant auctionFactory =
0x4A14145C4977E18c719BB70E6FcBF8fBFF6F62d2;
/// @notice Address of the specific Auction this strategy uses.
address public auction;
/*//////////////////////////////////////////////////////////////
AUCTION STARTING AND STOPPING
//////////////////////////////////////////////////////////////*/
function _enableAuction(
address _from,
address _want
) internal virtual returns (bytes32) {
return _enableAuction(_from, _want, 1 days, 3 days, 1e6);
}
/**
* @dev Used to enable a new Auction to sell `_from` to `_want`.
* If this is the first auction enabled it will deploy a new `auction`
* contract to use from the factory.
*
* NOTE: This only supports one `_want` token per strategy.
*
* @param _from Token to sell
* @param _want Token to buy.
* @return .The auction ID.
*/
function _enableAuction(
address _from,
address _want,
uint256 _auctionLength,
uint256 _auctionCooldown,
uint256 _startingPrice
) internal virtual returns (bytes32) {
address _auction = auction;
// If this is the first auction.
if (_auction == address(0)) {
// Deploy a new auction
_auction = AuctionFactory(auctionFactory).createNewAuction(
_want,
address(this),
address(this),
_auctionLength,
_auctionCooldown,
_startingPrice
);
// Store it for future use.
auction = _auction;
} else {
// Can only use one `want` per auction contract.
require(Auction(_auction).want() == _want, "wrong want");
}
// Enable new auction for `_from` token.
return Auction(_auction).enable(_from);
}
/**
* @dev Disable an auction for a given token.
* @param _from The token that was being sold.
*/
function _disableAuction(address _from) internal virtual {
Auction(auction).disable(_from);
}
/*//////////////////////////////////////////////////////////////
OPTIONAL AUCTION HOOKS
//////////////////////////////////////////////////////////////*/
/**
* @notice Return how much `_token` could currently be kicked into auction.
* @dev This can be overridden by a strategist to implement custom logic.
* @param _token Address of the `_from` token.
* @return . The amount of `_token` ready to be auctioned off.
*/
function kickable(address _token) public view virtual returns (uint256) {
return ERC20(_token).balanceOf(address(this));
}
/**
* @dev To override if something other than just sending the loose balance
* of `_token` to the auction is desired, such as accruing and and claiming rewards.
*
* @param _token Address of the token being auctioned off
*/
function _auctionKicked(address _token) internal virtual returns (uint256) {
// Send any loose balance to the auction.
uint256 balance = ERC20(_token).balanceOf(address(this));
if (balance != 0) ERC20(_token).safeTransfer(auction, balance);
return ERC20(_token).balanceOf(auction);
}
/**
* @dev To override if something needs to be done before a take is completed.
* This can be used if the auctioned token only will be freed up when a `take`
* occurs.
* @param _token Address of the token being taken.
* @param _amountToTake Amount of `_token` needed.
* @param _amountToPay Amount of `want` that will be payed.
*/
function _preTake(
address _token,
uint256 _amountToTake,
uint256 _amountToPay
) internal virtual {}
/**
* @dev To override if a post take action is desired.
*
* This could be used to re-deploy the bought token back into the yield source,
* or in conjunction with {_preTake} to check that the price sold at was within
* some allowed range.
*
* @param _token Address of the token that the strategy was sent.
* @param _amountTaken Amount of the from token taken.
* @param _amountPayed Amount of `_token` that was sent to the strategy.
*/
function _postTake(
address _token,
uint256 _amountTaken,
uint256 _amountPayed
) internal virtual {}
/*//////////////////////////////////////////////////////////////
AUCTION HOOKS
//////////////////////////////////////////////////////////////*/
/**
* @notice External hook for the auction to call during a `kick`.
* @dev Will call the internal version for the strategist to override.
* @param _token Token being kicked into auction.
* @return . The amount of `_token` to be auctioned off.
*/
function auctionKicked(
address _token
) external virtual onlyAuction returns (uint256) {
return _auctionKicked(_token);
}
/**
* @notice External hook for the auction to call before a `take`.
* @dev Will call the internal version for the strategist to override.
* @param _token Token being taken in the auction.
* @param _amountToTake The amount of `_token` to be sent to the taker.
* @param _amountToPay Amount of `want` that will be payed.
*/
function preTake(
address _token,
uint256 _amountToTake,
uint256 _amountToPay
) external virtual onlyAuction {
_preTake(_token, _amountToTake, _amountToPay);
}
/**
* @notice External hook for the auction to call after a `take` completed.
* @dev Will call the internal version for the strategist to override.
* @param _token The `want` token that was sent to the strategy.
* @param _amountTaken Amount of the from token taken.
* @param _amountPayed Amount of `_token` that was sent to the strategy.
*/
function postTake(
address _token,
uint256 _amountTaken,
uint256 _amountPayed
) external virtual onlyAuction {
_postTake(_token, _amountTaken, _amountPayed);
}
}
contract SturdyLender is Base4626Compounder, AuctionSwapper {
// Mapping to be set by management for any reward tokens.
// This can be used to set different mins for different tokens
// or to set to uin256.max if selling a reward token is reverting
mapping(address => uint256) public minAmountToSellMapping;
constructor(
address _asset,
string memory _name,
address _vault
) Base4626Compounder(_asset, _name, _vault) {}
function setAuction(address _auction) external onlyEmergencyAuthorized {
if (_auction != address(0)) {
require(Auction(_auction).want() == address(asset), "wrong want");
}
auction = _auction;
}
function _auctionKicked(
address _token
) internal virtual override returns (uint256 _kicked) {
require(
_token != address(asset) && _token != address(vault),
"!allowed"
);
_kicked = super._auctionKicked(_token);
require(_kicked >= minAmountToSellMapping[_token], "too little");
}
/**
* @notice Set the `minAmountToSellMapping` for a specific `_token`.
* @dev This can be used by management to adjust wether or not the
* _claimAndSellRewards() function will attempt to sell a specific
* reward token. This can be used if liquidity is to low, amounts
* are to low or any other reason that may cause reverts.
*
* @param _token The address of the token to adjust.
* @param _amount Min required amount to sell.
*/
function setMinAmountToSellMapping(
address _token,
uint256 _amount
) external onlyManagement {
minAmountToSellMapping[_token] = _amount;
}
}
|
1 | 19,498,476 |
153f334b3bd90160b13fe447cc71326846bcf11bfa4953d2f9e25d33f3764f30
|
af171f81b4d8e1c03357d5545703628e2376ca0513626b8a3fc06d31e7408fc6
|
3aeb5831f91d29b3992d659821a7fed7b805a107
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
e6727dc4f473ffabee487720fe2efd60021d258e
|
3d602d80600a3d3981f3363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
1 | 19,498,478 |
43c1c8500b738a229fc16f00bb6b89d362868167988860b1bee9e409f4ec0c2e
|
b855c8a0cfd2a810e86c5f2c35432c8adbf5d3497f8e56a60d87103f95da5459
|
000099b4a4d3ceb370d3a8a6235d24e07a8c0000
|
ee2a0343e825b2e5981851299787a679ce08216d
|
12c72272fbb354cfb3b5e0f9fd45c9237317d540
|
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
|
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
| |
1 | 19,498,478 |
43c1c8500b738a229fc16f00bb6b89d362868167988860b1bee9e409f4ec0c2e
|
c1c21550069523a9613be6616e5993ace10f4f8144e3a957520b4ad761e7515f
|
d2c82f2e5fa236e114a81173e375a73664610998
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
1a970b4788d022deae250d47b540e50347091e74
|
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363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
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pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
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5c69bee701ef814a2b6a3edd4b1652cb9cc5aa6f
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// File: contracts/interfaces/IUniswapV2Pair.sol
pragma solidity >=0.5.0;
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
// File: contracts/interfaces/IUniswapV2ERC20.sol
pragma solidity >=0.5.0;
interface IUniswapV2ERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
}
// File: contracts/libraries/SafeMath.sol
pragma solidity =0.5.16;
// a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math)
library SafeMath {
function add(uint x, uint y) internal pure returns (uint z) {
require((z = x + y) >= x, 'ds-math-add-overflow');
}
function sub(uint x, uint y) internal pure returns (uint z) {
require((z = x - y) <= x, 'ds-math-sub-underflow');
}
function mul(uint x, uint y) internal pure returns (uint z) {
require(y == 0 || (z = x * y) / y == x, 'ds-math-mul-overflow');
}
}
// File: contracts/UniswapV2ERC20.sol
pragma solidity =0.5.16;
contract UniswapV2ERC20 is IUniswapV2ERC20 {
using SafeMath for uint;
string public constant name = 'Uniswap V2';
string public constant symbol = 'UNI-V2';
uint8 public constant decimals = 18;
uint public totalSupply;
mapping(address => uint) public balanceOf;
mapping(address => mapping(address => uint)) public allowance;
bytes32 public DOMAIN_SEPARATOR;
// keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;
mapping(address => uint) public nonces;
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
constructor() public {
uint chainId;
assembly {
chainId := chainid
}
DOMAIN_SEPARATOR = keccak256(
abi.encode(
keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'),
keccak256(bytes(name)),
keccak256(bytes('1')),
chainId,
address(this)
)
);
}
function _mint(address to, uint value) internal {
totalSupply = totalSupply.add(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(address(0), to, value);
}
function _burn(address from, uint value) internal {
balanceOf[from] = balanceOf[from].sub(value);
totalSupply = totalSupply.sub(value);
emit Transfer(from, address(0), value);
}
function _approve(address owner, address spender, uint value) private {
allowance[owner][spender] = value;
emit Approval(owner, spender, value);
}
function _transfer(address from, address to, uint value) private {
balanceOf[from] = balanceOf[from].sub(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(from, to, value);
}
function approve(address spender, uint value) external returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
function transfer(address to, uint value) external returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
function transferFrom(address from, address to, uint value) external returns (bool) {
if (allowance[from][msg.sender] != uint(-1)) {
allowance[from][msg.sender] = allowance[from][msg.sender].sub(value);
}
_transfer(from, to, value);
return true;
}
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external {
require(deadline >= block.timestamp, 'UniswapV2: EXPIRED');
bytes32 digest = keccak256(
abi.encodePacked(
'\x19\x01',
DOMAIN_SEPARATOR,
keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline))
)
);
address recoveredAddress = ecrecover(digest, v, r, s);
require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE');
_approve(owner, spender, value);
}
}
// File: contracts/libraries/Math.sol
pragma solidity =0.5.16;
// a library for performing various math operations
library Math {
function min(uint x, uint y) internal pure returns (uint z) {
z = x < y ? x : y;
}
// babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method)
function sqrt(uint y) internal pure returns (uint z) {
if (y > 3) {
z = y;
uint x = y / 2 + 1;
while (x < z) {
z = x;
x = (y / x + x) / 2;
}
} else if (y != 0) {
z = 1;
}
}
}
// File: contracts/libraries/UQ112x112.sol
pragma solidity =0.5.16;
// a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format))
// range: [0, 2**112 - 1]
// resolution: 1 / 2**112
library UQ112x112 {
uint224 constant Q112 = 2**112;
// encode a uint112 as a UQ112x112
function encode(uint112 y) internal pure returns (uint224 z) {
z = uint224(y) * Q112; // never overflows
}
// divide a UQ112x112 by a uint112, returning a UQ112x112
function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) {
z = x / uint224(y);
}
}
// File: contracts/interfaces/IERC20.sol
pragma solidity >=0.5.0;
interface IERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
}
// File: contracts/interfaces/IUniswapV2Factory.sol
pragma solidity >=0.5.0;
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
// File: contracts/interfaces/IUniswapV2Callee.sol
pragma solidity >=0.5.0;
interface IUniswapV2Callee {
function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external;
}
// File: contracts/UniswapV2Pair.sol
pragma solidity =0.5.16;
contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'UniswapV2: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'UniswapV2: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'UniswapV2: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'UniswapV2: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IUniswapV2Factory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'UniswapV2: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'UniswapV2: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'UniswapV2: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'UniswapV2: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'UniswapV2: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(3));
uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(3));
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'UniswapV2: K');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
}
|
1 | 19,498,484 |
f1fada10bbf7035d2b492c7bd3b7c3347e7ac89801fb725f46067b59a87328ff
|
d3b8c031b05c41a27519922102eee329e3f313cb4a6491c53c05b4942a4f974c
|
78d4bdebc0b4140f01bab63085f94a5a7a1294f2
|
4259d0deecb12bb19ff01796bd9e6dc98ea8c371
|
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// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.18;
// We use the Tokenized Strategy interface.
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/ERC20.sol)
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* The default value of {decimals} is 18. To change this, you should override
* this function so it returns a different value.
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC20
* applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the default value returned by this function, unless
* it's overridden.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
* `transferFrom`. This is semantically equivalent to an infinite approval.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* NOTE: Does not update the allowance if the current allowance
* is the maximum `uint256`.
*
* Requirements:
*
* - `from` and `to` cannot be the zero address.
* - `from` must have a balance of at least `amount`.
* - the caller must have allowance for ``from``'s tokens of at least
* `amount`.
*/
function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `from` to `to`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `from` must have a balance of at least `amount`.
*/
function _transfer(address from, address to, uint256 amount) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
// Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
// decrementing then incrementing.
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
// Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
// Overflow not possible: amount <= accountBalance <= totalSupply.
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Updates `owner` s allowance for `spender` based on spent `amount`.
*
* Does not update the allowance amount in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Might emit an {Approval} event.
*/
function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
/**
* @dev Hook that is called after any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC4626.sol)
/**
* @dev Interface of the ERC4626 "Tokenized Vault Standard", as defined in
* https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
*
* _Available since v4.7._
*/
interface IERC4626 is IERC20, IERC20Metadata {
event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);
event Withdraw(
address indexed sender,
address indexed receiver,
address indexed owner,
uint256 assets,
uint256 shares
);
/**
* @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
*
* - MUST be an ERC-20 token contract.
* - MUST NOT revert.
*/
function asset() external view returns (address assetTokenAddress);
/**
* @dev Returns the total amount of the underlying asset that is “managed” by Vault.
*
* - SHOULD include any compounding that occurs from yield.
* - MUST be inclusive of any fees that are charged against assets in the Vault.
* - MUST NOT revert.
*/
function totalAssets() external view returns (uint256 totalManagedAssets);
/**
* @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal
* scenario where all the conditions are met.
*
* - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
* - MUST NOT show any variations depending on the caller.
* - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
* - MUST NOT revert.
*
* NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
* “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
* from.
*/
function convertToShares(uint256 assets) external view returns (uint256 shares);
/**
* @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal
* scenario where all the conditions are met.
*
* - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
* - MUST NOT show any variations depending on the caller.
* - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
* - MUST NOT revert.
*
* NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
* “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
* from.
*/
function convertToAssets(uint256 shares) external view returns (uint256 assets);
/**
* @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,
* through a deposit call.
*
* - MUST return a limited value if receiver is subject to some deposit limit.
* - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
* - MUST NOT revert.
*/
function maxDeposit(address receiver) external view returns (uint256 maxAssets);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given
* current on-chain conditions.
*
* - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit
* call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called
* in the same transaction.
* - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the
* deposit would be accepted, regardless if the user has enough tokens approved, etc.
* - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by depositing.
*/
function previewDeposit(uint256 assets) external view returns (uint256 shares);
/**
* @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.
*
* - MUST emit the Deposit event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
* deposit execution, and are accounted for during deposit.
* - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not
* approving enough underlying tokens to the Vault contract, etc).
*
* NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
*/
function deposit(uint256 assets, address receiver) external returns (uint256 shares);
/**
* @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call.
* - MUST return a limited value if receiver is subject to some mint limit.
* - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.
* - MUST NOT revert.
*/
function maxMint(address receiver) external view returns (uint256 maxShares);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given
* current on-chain conditions.
*
* - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call
* in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the
* same transaction.
* - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint
* would be accepted, regardless if the user has enough tokens approved, etc.
* - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by minting.
*/
function previewMint(uint256 shares) external view returns (uint256 assets);
/**
* @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.
*
* - MUST emit the Deposit event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint
* execution, and are accounted for during mint.
* - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not
* approving enough underlying tokens to the Vault contract, etc).
*
* NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
*/
function mint(uint256 shares, address receiver) external returns (uint256 assets);
/**
* @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the
* Vault, through a withdraw call.
*
* - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
* - MUST NOT revert.
*/
function maxWithdraw(address owner) external view returns (uint256 maxAssets);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,
* given current on-chain conditions.
*
* - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw
* call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if
* called
* in the same transaction.
* - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though
* the withdrawal would be accepted, regardless if the user has enough shares, etc.
* - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by depositing.
*/
function previewWithdraw(uint256 assets) external view returns (uint256 shares);
/**
* @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver.
*
* - MUST emit the Withdraw event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
* withdraw execution, and are accounted for during withdraw.
* - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner
* not having enough shares, etc).
*
* Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
* Those methods should be performed separately.
*/
function withdraw(uint256 assets, address receiver, address owner) external returns (uint256 shares);
/**
* @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,
* through a redeem call.
*
* - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
* - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.
* - MUST NOT revert.
*/
function maxRedeem(address owner) external view returns (uint256 maxShares);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,
* given current on-chain conditions.
*
* - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call
* in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the
* same transaction.
* - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the
* redemption would be accepted, regardless if the user has enough shares, etc.
* - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by redeeming.
*/
function previewRedeem(uint256 shares) external view returns (uint256 assets);
/**
* @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver.
*
* - MUST emit the Withdraw event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
* redeem execution, and are accounted for during redeem.
* - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner
* not having enough shares, etc).
*
* NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
* Those methods should be performed separately.
*/
function redeem(uint256 shares, address receiver, address owner) external returns (uint256 assets);
}
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)
/**
* @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
* https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
*
* Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
* presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
* need to send a transaction, and thus is not required to hold Ether at all.
*
* ==== Security Considerations
*
* There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
* expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
* considered as an intention to spend the allowance in any specific way. The second is that because permits have
* built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
* take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
* generally recommended is:
*
* ```solidity
* function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
* try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
* doThing(..., value);
* }
*
* function doThing(..., uint256 value) public {
* token.safeTransferFrom(msg.sender, address(this), value);
* ...
* }
* ```
*
* Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
* `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
* {SafeERC20-safeTransferFrom}).
*
* Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
* contracts should have entry points that don't rely on permit.
*/
interface IERC20Permit {
/**
* @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
* given ``owner``'s signed approval.
*
* IMPORTANT: The same issues {IERC20-approve} has related to transaction
* ordering also apply here.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `deadline` must be a timestamp in the future.
* - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
* over the EIP712-formatted function arguments.
* - the signature must use ``owner``'s current nonce (see {nonces}).
*
* For more information on the signature format, see the
* https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
* section].
*
* CAUTION: See Security Considerations above.
*/
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
/**
* @dev Returns the current nonce for `owner`. This value must be
* included whenever a signature is generated for {permit}.
*
* Every successful call to {permit} increases ``owner``'s nonce by one. This
* prevents a signature from being used multiple times.
*/
function nonces(address owner) external view returns (uint256);
/**
* @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
*/
// solhint-disable-next-line func-name-mixedcase
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
// Interface that implements the 4626 standard and the implementation functions
interface ITokenizedStrategy is IERC4626, IERC20Permit {
/*//////////////////////////////////////////////////////////////
EVENTS
//////////////////////////////////////////////////////////////*/
event StrategyShutdown();
event NewTokenizedStrategy(
address indexed strategy,
address indexed asset,
string apiVersion
);
event Reported(
uint256 profit,
uint256 loss,
uint256 protocolFees,
uint256 performanceFees
);
event UpdatePerformanceFeeRecipient(
address indexed newPerformanceFeeRecipient
);
event UpdateKeeper(address indexed newKeeper);
event UpdatePerformanceFee(uint16 newPerformanceFee);
event UpdateManagement(address indexed newManagement);
event UpdateEmergencyAdmin(address indexed newEmergencyAdmin);
event UpdateProfitMaxUnlockTime(uint256 newProfitMaxUnlockTime);
event UpdatePendingManagement(address indexed newPendingManagement);
/*//////////////////////////////////////////////////////////////
INITIALIZATION
//////////////////////////////////////////////////////////////*/
function initialize(
address _asset,
string memory _name,
address _management,
address _performanceFeeRecipient,
address _keeper
) external;
/*//////////////////////////////////////////////////////////////
NON-STANDARD 4626 OPTIONS
//////////////////////////////////////////////////////////////*/
function withdraw(
uint256 assets,
address receiver,
address owner,
uint256 maxLoss
) external returns (uint256);
function redeem(
uint256 shares,
address receiver,
address owner,
uint256 maxLoss
) external returns (uint256);
/*//////////////////////////////////////////////////////////////
MODIFIER HELPERS
//////////////////////////////////////////////////////////////*/
function requireManagement(address _sender) external view;
function requireKeeperOrManagement(address _sender) external view;
function requireEmergencyAuthorized(address _sender) external view;
/*//////////////////////////////////////////////////////////////
KEEPERS FUNCTIONS
//////////////////////////////////////////////////////////////*/
function tend() external;
function report() external returns (uint256 _profit, uint256 _loss);
/*//////////////////////////////////////////////////////////////
CONSTANTS
//////////////////////////////////////////////////////////////*/
function MAX_FEE() external view returns (uint16);
function FACTORY() external view returns (address);
/*//////////////////////////////////////////////////////////////
GETTERS
//////////////////////////////////////////////////////////////*/
function apiVersion() external view returns (string memory);
function pricePerShare() external view returns (uint256);
function management() external view returns (address);
function pendingManagement() external view returns (address);
function keeper() external view returns (address);
function emergencyAdmin() external view returns (address);
function performanceFee() external view returns (uint16);
function performanceFeeRecipient() external view returns (address);
function fullProfitUnlockDate() external view returns (uint256);
function profitUnlockingRate() external view returns (uint256);
function profitMaxUnlockTime() external view returns (uint256);
function lastReport() external view returns (uint256);
function isShutdown() external view returns (bool);
function unlockedShares() external view returns (uint256);
/*//////////////////////////////////////////////////////////////
SETTERS
//////////////////////////////////////////////////////////////*/
function setPendingManagement(address) external;
function acceptManagement() external;
function setKeeper(address _keeper) external;
function setEmergencyAdmin(address _emergencyAdmin) external;
function setPerformanceFee(uint16 _performanceFee) external;
function setPerformanceFeeRecipient(
address _performanceFeeRecipient
) external;
function setProfitMaxUnlockTime(uint256 _profitMaxUnlockTime) external;
function shutdownStrategy() external;
function emergencyWithdraw(uint256 _amount) external;
}
interface IBaseStrategy {
function tokenizedStrategyAddress() external view returns (address);
/*//////////////////////////////////////////////////////////////
IMMUTABLE FUNCTIONS
//////////////////////////////////////////////////////////////*/
function availableDepositLimit(
address _owner
) external view returns (uint256);
function availableWithdrawLimit(
address _owner
) external view returns (uint256);
function deployFunds(uint256 _assets) external;
function freeFunds(uint256 _amount) external;
function harvestAndReport() external returns (uint256);
function tendThis(uint256 _totalIdle) external;
function shutdownWithdraw(uint256 _amount) external;
function tendTrigger() external view returns (bool, bytes memory);
}
interface IStrategy is IBaseStrategy, ITokenizedStrategy {}
// TokenizedStrategy interface used for internal view delegateCalls.
/**
* @title YearnV3 Base Strategy
* @author yearn.finance
* @notice
* BaseStrategy implements all of the required functionality to
* seamlessly integrate with the `TokenizedStrategy` implementation contract
* allowing anyone to easily build a fully permissionless ERC-4626 compliant
* Vault by inheriting this contract and overriding three simple functions.
* It utilizes an immutable proxy pattern that allows the BaseStrategy
* to remain simple and small. All standard logic is held within the
* `TokenizedStrategy` and is reused over any n strategies all using the
* `fallback` function to delegatecall the implementation so that strategists
* can only be concerned with writing their strategy specific code.
*
* This contract should be inherited and the three main abstract methods
* `_deployFunds`, `_freeFunds` and `_harvestAndReport` implemented to adapt
* the Strategy to the particular needs it has to generate yield. There are
* other optional methods that can be implemented to further customize
* the strategy if desired.
*
* All default storage for the strategy is controlled and updated by the
* `TokenizedStrategy`. The implementation holds a storage struct that
* contains all needed global variables in a manual storage slot. This
* means strategists can feel free to implement their own custom storage
* variables as they need with no concern of collisions. All global variables
* can be viewed within the Strategy by a simple call using the
* `TokenizedStrategy` variable. IE: TokenizedStrategy.globalVariable();.
*/
abstract contract BaseStrategy {
/*//////////////////////////////////////////////////////////////
MODIFIERS
//////////////////////////////////////////////////////////////*/
/**
* @dev Used on TokenizedStrategy callback functions to make sure it is post
* a delegateCall from this address to the TokenizedStrategy.
*/
modifier onlySelf() {
_onlySelf();
_;
}
/**
* @dev Use to assure that the call is coming from the strategies management.
*/
modifier onlyManagement() {
TokenizedStrategy.requireManagement(msg.sender);
_;
}
/**
* @dev Use to assure that the call is coming from either the strategies
* management or the keeper.
*/
modifier onlyKeepers() {
TokenizedStrategy.requireKeeperOrManagement(msg.sender);
_;
}
/**
* @dev Use to assure that the call is coming from either the strategies
* management or the emergency admin.
*/
modifier onlyEmergencyAuthorized() {
TokenizedStrategy.requireEmergencyAuthorized(msg.sender);
_;
}
/**
* @dev Require that the msg.sender is this address.
*/
function _onlySelf() internal view {
require(msg.sender == address(this), "!self");
}
/*//////////////////////////////////////////////////////////////
CONSTANTS
//////////////////////////////////////////////////////////////*/
/**
* @dev This is the address of the TokenizedStrategy implementation
* contract that will be used by all strategies to handle the
* accounting, logic, storage etc.
*
* Any external calls to the that don't hit one of the functions
* defined in this base or the strategy will end up being forwarded
* through the fallback function, which will delegateCall this address.
*
* This address should be the same for every strategy, never be adjusted
* and always be checked before any integration with the Strategy.
*/
address public constant tokenizedStrategyAddress =
0xBB51273D6c746910C7C06fe718f30c936170feD0;
/*//////////////////////////////////////////////////////////////
IMMUTABLES
//////////////////////////////////////////////////////////////*/
/**
* @dev Underlying asset the Strategy is earning yield on.
* Stored here for cheap retrievals within the strategy.
*/
ERC20 internal immutable asset;
/**
* @dev This variable is set to address(this) during initialization of each strategy.
*
* This can be used to retrieve storage data within the strategy
* contract as if it were a linked library.
*
* i.e. uint256 totalAssets = TokenizedStrategy.totalAssets()
*
* Using address(this) will mean any calls using this variable will lead
* to a call to itself. Which will hit the fallback function and
* delegateCall that to the actual TokenizedStrategy.
*/
ITokenizedStrategy internal immutable TokenizedStrategy;
/**
* @notice Used to initialize the strategy on deployment.
*
* This will set the `TokenizedStrategy` variable for easy
* internal view calls to the implementation. As well as
* initializing the default storage variables based on the
* parameters and using the deployer for the permissioned roles.
*
* @param _asset Address of the underlying asset.
* @param _name Name the strategy will use.
*/
constructor(address _asset, string memory _name) {
asset = ERC20(_asset);
// Set instance of the implementation for internal use.
TokenizedStrategy = ITokenizedStrategy(address(this));
// Initialize the strategy's storage variables.
_delegateCall(
abi.encodeCall(
ITokenizedStrategy.initialize,
(_asset, _name, msg.sender, msg.sender, msg.sender)
)
);
// Store the tokenizedStrategyAddress at the standard implementation
// address storage slot so etherscan picks up the interface. This gets
// stored on initialization and never updated.
assembly {
sstore(
// keccak256('eip1967.proxy.implementation' - 1)
0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc,
tokenizedStrategyAddress
)
}
}
/*//////////////////////////////////////////////////////////////
NEEDED TO BE OVERRIDDEN BY STRATEGIST
//////////////////////////////////////////////////////////////*/
/**
* @dev Can deploy up to '_amount' of 'asset' in the yield source.
*
* This function is called at the end of a {deposit} or {mint}
* call. Meaning that unless a whitelist is implemented it will
* be entirely permissionless and thus can be sandwiched or otherwise
* manipulated.
*
* @param _amount The amount of 'asset' that the strategy can attempt
* to deposit in the yield source.
*/
function _deployFunds(uint256 _amount) internal virtual;
/**
* @dev Should attempt to free the '_amount' of 'asset'.
*
* NOTE: The amount of 'asset' that is already loose has already
* been accounted for.
*
* This function is called during {withdraw} and {redeem} calls.
* Meaning that unless a whitelist is implemented it will be
* entirely permissionless and thus can be sandwiched or otherwise
* manipulated.
*
* Should not rely on asset.balanceOf(address(this)) calls other than
* for diff accounting purposes.
*
* Any difference between `_amount` and what is actually freed will be
* counted as a loss and passed on to the withdrawer. This means
* care should be taken in times of illiquidity. It may be better to revert
* if withdraws are simply illiquid so not to realize incorrect losses.
*
* @param _amount, The amount of 'asset' to be freed.
*/
function _freeFunds(uint256 _amount) internal virtual;
/**
* @dev Internal function to harvest all rewards, redeploy any idle
* funds and return an accurate accounting of all funds currently
* held by the Strategy.
*
* This should do any needed harvesting, rewards selling, accrual,
* redepositing etc. to get the most accurate view of current assets.
*
* NOTE: All applicable assets including loose assets should be
* accounted for in this function.
*
* Care should be taken when relying on oracles or swap values rather
* than actual amounts as all Strategy profit/loss accounting will
* be done based on this returned value.
*
* This can still be called post a shutdown, a strategist can check
* `TokenizedStrategy.isShutdown()` to decide if funds should be
* redeployed or simply realize any profits/losses.
*
* @return _totalAssets A trusted and accurate account for the total
* amount of 'asset' the strategy currently holds including idle funds.
*/
function _harvestAndReport()
internal
virtual
returns (uint256 _totalAssets);
/*//////////////////////////////////////////////////////////////
OPTIONAL TO OVERRIDE BY STRATEGIST
//////////////////////////////////////////////////////////////*/
/**
* @dev Optional function for strategist to override that can
* be called in between reports.
*
* If '_tend' is used tendTrigger() will also need to be overridden.
*
* This call can only be called by a permissioned role so may be
* through protected relays.
*
* This can be used to harvest and compound rewards, deposit idle funds,
* perform needed position maintenance or anything else that doesn't need
* a full report for.
*
* EX: A strategy that can not deposit funds without getting
* sandwiched can use the tend when a certain threshold
* of idle to totalAssets has been reached.
*
* This will have no effect on PPS of the strategy till report() is called.
*
* @param _totalIdle The current amount of idle funds that are available to deploy.
*/
function _tend(uint256 _totalIdle) internal virtual {}
/**
* @dev Optional trigger to override if tend() will be used by the strategy.
* This must be implemented if the strategy hopes to invoke _tend().
*
* @return . Should return true if tend() should be called by keeper or false if not.
*/
function _tendTrigger() internal view virtual returns (bool) {
return false;
}
/**
* @notice Returns if tend() should be called by a keeper.
*
* @return . Should return true if tend() should be called by keeper or false if not.
* @return . Calldata for the tend call.
*/
function tendTrigger() external view virtual returns (bool, bytes memory) {
return (
// Return the status of the tend trigger.
_tendTrigger(),
// And the needed calldata either way.
abi.encodeWithSelector(ITokenizedStrategy.tend.selector)
);
}
/**
* @notice Gets the max amount of `asset` that an address can deposit.
* @dev Defaults to an unlimited amount for any address. But can
* be overridden by strategists.
*
* This function will be called before any deposit or mints to enforce
* any limits desired by the strategist. This can be used for either a
* traditional deposit limit or for implementing a whitelist etc.
*
* EX:
* if(isAllowed[_owner]) return super.availableDepositLimit(_owner);
*
* This does not need to take into account any conversion rates
* from shares to assets. But should know that any non max uint256
* amounts may be converted to shares. So it is recommended to keep
* custom amounts low enough as not to cause overflow when multiplied
* by `totalSupply`.
*
* @param . The address that is depositing into the strategy.
* @return . The available amount the `_owner` can deposit in terms of `asset`
*/
function availableDepositLimit(
address /*_owner*/
) public view virtual returns (uint256) {
return type(uint256).max;
}
/**
* @notice Gets the max amount of `asset` that can be withdrawn.
* @dev Defaults to an unlimited amount for any address. But can
* be overridden by strategists.
*
* This function will be called before any withdraw or redeem to enforce
* any limits desired by the strategist. This can be used for illiquid
* or sandwichable strategies. It should never be lower than `totalIdle`.
*
* EX:
* return TokenIzedStrategy.totalIdle();
*
* This does not need to take into account the `_owner`'s share balance
* or conversion rates from shares to assets.
*
* @param . The address that is withdrawing from the strategy.
* @return . The available amount that can be withdrawn in terms of `asset`
*/
function availableWithdrawLimit(
address /*_owner*/
) public view virtual returns (uint256) {
return type(uint256).max;
}
/**
* @dev Optional function for a strategist to override that will
* allow management to manually withdraw deployed funds from the
* yield source if a strategy is shutdown.
*
* This should attempt to free `_amount`, noting that `_amount` may
* be more than is currently deployed.
*
* NOTE: This will not realize any profits or losses. A separate
* {report} will be needed in order to record any profit/loss. If
* a report may need to be called after a shutdown it is important
* to check if the strategy is shutdown during {_harvestAndReport}
* so that it does not simply re-deploy all funds that had been freed.
*
* EX:
* if(freeAsset > 0 && !TokenizedStrategy.isShutdown()) {
* depositFunds...
* }
*
* @param _amount The amount of asset to attempt to free.
*/
function _emergencyWithdraw(uint256 _amount) internal virtual {}
/*//////////////////////////////////////////////////////////////
TokenizedStrategy HOOKS
//////////////////////////////////////////////////////////////*/
/**
* @notice Can deploy up to '_amount' of 'asset' in yield source.
* @dev Callback for the TokenizedStrategy to call during a {deposit}
* or {mint} to tell the strategy it can deploy funds.
*
* Since this can only be called after a {deposit} or {mint}
* delegateCall to the TokenizedStrategy msg.sender == address(this).
*
* Unless a whitelist is implemented this will be entirely permissionless
* and thus can be sandwiched or otherwise manipulated.
*
* @param _amount The amount of 'asset' that the strategy can
* attempt to deposit in the yield source.
*/
function deployFunds(uint256 _amount) external virtual onlySelf {
_deployFunds(_amount);
}
/**
* @notice Should attempt to free the '_amount' of 'asset'.
* @dev Callback for the TokenizedStrategy to call during a withdraw
* or redeem to free the needed funds to service the withdraw.
*
* This can only be called after a 'withdraw' or 'redeem' delegateCall
* to the TokenizedStrategy so msg.sender == address(this).
*
* @param _amount The amount of 'asset' that the strategy should attempt to free up.
*/
function freeFunds(uint256 _amount) external virtual onlySelf {
_freeFunds(_amount);
}
/**
* @notice Returns the accurate amount of all funds currently
* held by the Strategy.
* @dev Callback for the TokenizedStrategy to call during a report to
* get an accurate accounting of assets the strategy controls.
*
* This can only be called after a report() delegateCall to the
* TokenizedStrategy so msg.sender == address(this).
*
* @return . A trusted and accurate account for the total amount
* of 'asset' the strategy currently holds including idle funds.
*/
function harvestAndReport() external virtual onlySelf returns (uint256) {
return _harvestAndReport();
}
/**
* @notice Will call the internal '_tend' when a keeper tends the strategy.
* @dev Callback for the TokenizedStrategy to initiate a _tend call in the strategy.
*
* This can only be called after a tend() delegateCall to the TokenizedStrategy
* so msg.sender == address(this).
*
* We name the function `tendThis` so that `tend` calls are forwarded to
* the TokenizedStrategy.
* @param _totalIdle The amount of current idle funds that can be
* deployed during the tend
*/
function tendThis(uint256 _totalIdle) external virtual onlySelf {
_tend(_totalIdle);
}
/**
* @notice Will call the internal '_emergencyWithdraw' function.
* @dev Callback for the TokenizedStrategy during an emergency withdraw.
*
* This can only be called after a emergencyWithdraw() delegateCall to
* the TokenizedStrategy so msg.sender == address(this).
*
* We name the function `shutdownWithdraw` so that `emergencyWithdraw`
* calls are forwarded to the TokenizedStrategy.
*
* @param _amount The amount of asset to attempt to free.
*/
function shutdownWithdraw(uint256 _amount) external virtual onlySelf {
_emergencyWithdraw(_amount);
}
/**
* @dev Function used to delegate call the TokenizedStrategy with
* certain `_calldata` and return any return values.
*
* This is used to setup the initial storage of the strategy, and
* can be used by strategist to forward any other call to the
* TokenizedStrategy implementation.
*
* @param _calldata The abi encoded calldata to use in delegatecall.
* @return . The return value if the call was successful in bytes.
*/
function _delegateCall(
bytes memory _calldata
) internal returns (bytes memory) {
// Delegate call the tokenized strategy with provided calldata.
(bool success, bytes memory result) = tokenizedStrategyAddress
.delegatecall(_calldata);
// If the call reverted. Return the error.
if (!success) {
assembly {
let ptr := mload(0x40)
let size := returndatasize()
returndatacopy(ptr, 0, size)
revert(ptr, size)
}
}
// Return the result.
return result;
}
/**
* @dev Execute a function on the TokenizedStrategy and return any value.
*
* This fallback function will be executed when any of the standard functions
* defined in the TokenizedStrategy are called since they wont be defined in
* this contract.
*
* It will delegatecall the TokenizedStrategy implementation with the exact
* calldata and return any relevant values.
*
*/
fallback() external {
// load our target address
address _tokenizedStrategyAddress = tokenizedStrategyAddress;
// Execute external function using delegatecall and return any value.
assembly {
// Copy function selector and any arguments.
calldatacopy(0, 0, calldatasize())
// Execute function delegatecall.
let result := delegatecall(
gas(),
_tokenizedStrategyAddress,
0,
calldatasize(),
0,
0
)
// Get any return value
returndatacopy(0, 0, returndatasize())
// Return any return value or error back to the caller
switch result
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
}
/**
* @title Base Health Check
* @author Yearn.finance
* @notice This contract can be inherited by any Yearn
* V3 strategy wishing to implement a health check during
* the `report` function in order to prevent any unexpected
* behavior from being permanently recorded as well as the
* `checkHealth` modifier.
*
* A strategist simply needs to inherit this contract. Set
* the limit ratios to the desired amounts and then
* override `_harvestAndReport()` just as they otherwise
* would. If the profit or loss that would be recorded is
* outside the acceptable bounds the tx will revert.
*
* The healthcheck does not prevent a strategy from reporting
* losses, but rather can make sure manual intervention is
* needed before reporting an unexpected loss or profit.
*/
abstract contract BaseHealthCheck is BaseStrategy {
// Can be used to determine if a healthcheck should be called.
// Defaults to true;
bool public doHealthCheck = true;
uint256 internal constant MAX_BPS = 10_000;
// Default profit limit to 100%.
uint256 private _profitLimitRatio = MAX_BPS;
// Defaults loss limit to 0.
uint256 private _lossLimitRatio;
constructor(
address _asset,
string memory _name
) BaseStrategy(_asset, _name) {}
/**
* @notice Returns the current profit limit ratio.
* @dev Use a getter function to keep the variable private.
* @return . The current profit limit ratio.
*/
function profitLimitRatio() public view returns (uint256) {
return _profitLimitRatio;
}
/**
* @notice Returns the current loss limit ratio.
* @dev Use a getter function to keep the variable private.
* @return . The current loss limit ratio.
*/
function lossLimitRatio() public view returns (uint256) {
return _lossLimitRatio;
}
/**
* @notice Set the `profitLimitRatio`.
* @dev Denominated in basis points. I.E. 1_000 == 10%.
* @param _newProfitLimitRatio The mew profit limit ratio.
*/
function setProfitLimitRatio(
uint256 _newProfitLimitRatio
) external onlyManagement {
_setProfitLimitRatio(_newProfitLimitRatio);
}
/**
* @dev Internally set the profit limit ratio. Denominated
* in basis points. I.E. 1_000 == 10%.
* @param _newProfitLimitRatio The mew profit limit ratio.
*/
function _setProfitLimitRatio(uint256 _newProfitLimitRatio) internal {
require(_newProfitLimitRatio > 0, "!zero profit");
_profitLimitRatio = _newProfitLimitRatio;
}
/**
* @notice Set the `lossLimitRatio`.
* @dev Denominated in basis points. I.E. 1_000 == 10%.
* @param _newLossLimitRatio The new loss limit ratio.
*/
function setLossLimitRatio(
uint256 _newLossLimitRatio
) external onlyManagement {
_setLossLimitRatio(_newLossLimitRatio);
}
/**
* @dev Internally set the loss limit ratio. Denominated
* in basis points. I.E. 1_000 == 10%.
* @param _newLossLimitRatio The new loss limit ratio.
*/
function _setLossLimitRatio(uint256 _newLossLimitRatio) internal {
require(_newLossLimitRatio < MAX_BPS, "!loss limit");
_lossLimitRatio = _newLossLimitRatio;
}
/**
* @notice Turns the healthcheck on and off.
* @dev If turned off the next report will auto turn it back on.
* @param _doHealthCheck Bool if healthCheck should be done.
*/
function setDoHealthCheck(bool _doHealthCheck) public onlyManagement {
doHealthCheck = _doHealthCheck;
}
/**
* @notice OVerrides the default {harvestAndReport} to include a healthcheck.
* @return _totalAssets New totalAssets post report.
*/
function harvestAndReport()
external
override
onlySelf
returns (uint256 _totalAssets)
{
// Let the strategy report.
_totalAssets = _harvestAndReport();
// Run the healthcheck on the amount returned.
_executeHealthCheck(_totalAssets);
}
/**
* @dev To be called during a report to make sure the profit
* or loss being recorded is within the acceptable bound.
*
* @param _newTotalAssets The amount that will be reported.
*/
function _executeHealthCheck(uint256 _newTotalAssets) internal virtual {
if (!doHealthCheck) {
doHealthCheck = true;
return;
}
// Get the current total assets from the implementation.
uint256 currentTotalAssets = TokenizedStrategy.totalAssets();
if (_newTotalAssets > currentTotalAssets) {
require(
((_newTotalAssets - currentTotalAssets) <=
(currentTotalAssets * _profitLimitRatio) / MAX_BPS),
"healthCheck"
);
} else if (currentTotalAssets > _newTotalAssets) {
require(
(currentTotalAssets - _newTotalAssets <=
((currentTotalAssets * _lossLimitRatio) / MAX_BPS)),
"healthCheck"
);
}
}
}
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
enum Rounding {
Down, // Toward negative infinity
Up, // Toward infinity
Zero // Toward zero
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds up instead
* of rounding down.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b - 1) / b can overflow on addition, so we distribute.
return a == 0 ? 0 : (a - 1) / b + 1;
}
/**
* @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
* @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
* with further edits by Uniswap Labs also under MIT license.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
// use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2^256 + prod0.
uint256 prod0; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2^256. Also prevents denominator == 0.
require(denominator > prod1, "Math: mulDiv overflow");
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
// See https://cs.stackexchange.com/q/138556/92363.
// Does not overflow because the denominator cannot be zero at this stage in the function.
uint256 twos = denominator & (~denominator + 1);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
// that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv = 1 mod 2^4.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
// in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2^8
inverse *= 2 - denominator * inverse; // inverse mod 2^16
inverse *= 2 - denominator * inverse; // inverse mod 2^32
inverse *= 2 - denominator * inverse; // inverse mod 2^64
inverse *= 2 - denominator * inverse; // inverse mod 2^128
inverse *= 2 - denominator * inverse; // inverse mod 2^256
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
// less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
*
* Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
*/
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
// For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
//
// We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
// `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
//
// This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
// → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
// → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
//
// Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
uint256 result = 1 << (log2(a) >> 1);
// At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
// since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
// every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
// into the expected uint128 result.
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
/**
* @notice Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
/**
* @dev Return the log in base 2, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 10, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 256, rounded down, of a positive value.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
}
}
}
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using Address for address;
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
* Revert on invalid signature.
*/
function safePermit(
IERC20Permit token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
// and not revert is the subcall reverts.
(bool success, bytes memory returndata) = address(token).call(data);
return
success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
}
}
/**
* @title Base4626Compounder
* @dev Can be used to make a simple strategy that compounds
* rewards for any 4626 vault.
*/
contract Base4626Compounder is BaseHealthCheck {
using SafeERC20 for ERC20;
IStrategy public immutable vault;
constructor(
address _asset,
string memory _name,
address _vault
) BaseHealthCheck(_asset, _name) {
require(IStrategy(_vault).asset() == _asset, "wrong vault");
vault = IStrategy(_vault);
asset.safeApprove(_vault, type(uint256).max);
}
/*//////////////////////////////////////////////////////////////
NEEDED TO BE OVERRIDDEN BY STRATEGIST
//////////////////////////////////////////////////////////////*/
/**
* @dev Should deploy up to '_amount' of 'asset' in the yield source.
*
* This function is called at the end of a {deposit} or {mint}
* call. Meaning that unless a whitelist is implemented it will
* be entirely permissionless and thus can be sandwiched or otherwise
* manipulated.
*
* @param _amount The amount of 'asset' that the strategy should attempt
* to deposit in the yield source.
*/
function _deployFunds(uint256 _amount) internal virtual override {
vault.deposit(_amount, address(this));
_stake();
}
/**
* @dev Will attempt to free the '_amount' of 'asset'.
*
* The amount of 'asset' that is already loose has already
* been accounted for.
*
* This function is called during {withdraw} and {redeem} calls.
* Meaning that unless a whitelist is implemented it will be
* entirely permissionless and thus can be sandwiched or otherwise
* manipulated.
*
* Should not rely on asset.balanceOf(address(this)) calls other than
* for diff accounting purposes.
*
* Any difference between `_amount` and what is actually freed will be
* counted as a loss and passed on to the withdrawer. This means
* care should be taken in times of illiquidity. It may be better to revert
* if withdraws are simply illiquid so not to realize incorrect losses.
*
* @param _amount, The amount of 'asset' to be freed.
*/
function _freeFunds(uint256 _amount) internal virtual override {
uint256 shares = vault.convertToShares(_amount);
uint256 vaultBalance = balanceOfVault();
if (shares > vaultBalance) {
unchecked {
_unStake(shares - vaultBalance);
}
shares = Math.min(shares, balanceOfVault());
}
vault.redeem(shares, address(this), address(this));
}
/**
* @dev Internal function to harvest all rewards, redeploy any idle
* funds and return an accurate accounting of all funds currently
* held by the Strategy.
*
* This should do any needed harvesting, rewards selling, accrual,
* redepositing etc. to get the most accurate view of current assets.
*
* NOTE: All applicable assets including loose assets should be
* accounted for in this function.
*
* Care should be taken when relying on oracles or swap values rather
* than actual amounts as all Strategy profit/loss accounting will
* be done based on this returned value.
*
* This can still be called post a shutdown, a strategist can check
* `TokenizedStrategy.isShutdown()` to decide if funds should be
* redeployed or simply realize any profits/losses.
*
* @return _totalAssets A trusted and accurate account for the total
* amount of 'asset' the strategy currently holds including idle funds.
*/
function _harvestAndReport()
internal
virtual
override
returns (uint256 _totalAssets)
{
// Claim and sell any rewards.
_claimAndSellRewards();
// Return total balance
_totalAssets = balanceOfAsset() + valueOfVault();
}
/**
* @dev Override to stake loose vault tokens after they
* are deposited to the `vault`.
*/
function _stake() internal virtual {}
/**
* @dev If vault tokens are staked, override to unstake them before
* any withdraw or redeems.
* @param _amount The amount of vault tokens to unstake.
*/
function _unStake(uint256 _amount) internal virtual {}
/**
* @dev Called during reports to do any harvesting of rewards needed.
*/
function _claimAndSellRewards() internal virtual {}
/**
* @notice Return the current loose balance of this strategies `asset`.
*/
function balanceOfAsset() public view virtual returns (uint256) {
return asset.balanceOf(address(this));
}
/**
* @notice Return the current balance of the strategies vault shares.
*/
function balanceOfVault() public view virtual returns (uint256) {
return vault.balanceOf(address(this));
}
/**
* @notice If the vaults tokens are staked. To override and return the
* amount of vault tokens the strategy has staked.
*/
function balanceOfStake() public view virtual returns (uint256) {}
/**
* @notice The full value denominated in `asset` of the strategies vault
* tokens held both in the contract and staked.
*/
function valueOfVault() public view virtual returns (uint256) {
return vault.convertToAssets(balanceOfVault() + balanceOfStake());
}
/**
* @notice The max amount of `asset` than can be redeemed from the vault.
* @dev If the vault tokens are staked this needs to include the
* vault.maxRedeem(stakingContract) to be accurate.
*
* NOTE: This should use vault.convertToAssets(vault.maxRedeem(address));
* rather than vault.maxWithdraw(address);
*/
function vaultsMaxWithdraw() public view virtual returns (uint256) {
return vault.convertToAssets(vault.maxRedeem(address(this)));
}
/**
* @notice Gets the max amount of `asset` that an address can deposit.
* @dev Defaults to an unlimited amount for any address. But can
* be overridden by strategists.
*
* This function will be called before any deposit or mints to enforce
* any limits desired by the strategist. This can be used for either a
* traditional deposit limit or for implementing a whitelist etc.
*
* EX:
* if(isAllowed[_owner]) return super.availableDepositLimit(_owner);
*
* This does not need to take into account any conversion rates
* from shares to assets. But should know that any non max uint256
* amounts may be converted to shares. So it is recommended to keep
* custom amounts low enough as not to cause overflow when multiplied
* by `totalSupply`.
*
* @param . The address that is depositing into the strategy.
* @return . The available amount the `_owner` can deposit in terms of `asset`
*/
function availableDepositLimit(
address
) public view virtual override returns (uint256) {
// Return the max amount the vault will allow for deposits.
return vault.maxDeposit(address(this));
}
/**
* @notice Gets the max amount of `asset` that can be withdrawn.
* @dev Defaults to an unlimited amount for any address. But can
* be overridden by strategists.
*
* This function will be called before any withdraw or redeem to enforce
* any limits desired by the strategist. This can be used for illiquid
* or sandwichable strategies. It should never be lower than `totalIdle`.
*
* EX:
* return TokenIzedStrategy.totalIdle();
*
* This does not need to take into account the `_owner`'s share balance
* or conversion rates from shares to assets.
*
* @param . The address that is withdrawing from the strategy.
* @return . The available amount that can be withdrawn in terms of `asset`
*/
function availableWithdrawLimit(
address
) public view virtual override returns (uint256) {
// Return the loose balance of asset and the max we can withdraw from the vault
return balanceOfAsset() + vaultsMaxWithdraw();
}
/**
* @dev Optional function for a strategist to override that will
* allow management to manually withdraw deployed funds from the
* yield source if a strategy is shutdown.
*
* This should attempt to free `_amount`, noting that `_amount` may
* be more than is currently deployed.
*
* NOTE: This will not realize any profits or losses. A separate
* {report} will be needed in order to record any profit/loss. If
* a report may need to be called after a shutdown it is important
* to check if the strategy is shutdown during {_harvestAndReport}
* so that it does not simply re-deploy all funds that had been freed.
*
* EX:
* if(freeAsset > 0 && !TokenizedStrategy.isShutdown()) {
* depositFunds...
* }
*
* @param _amount The amount of asset to attempt to free.
*/
function _emergencyWithdraw(uint256 _amount) internal virtual override {
_freeFunds(Math.min(_amount, vaultsMaxWithdraw()));
}
}
// Math library from https://github.com/ajna-finance/ajna-core/blob/master/src/libraries/internal/Maths.sol
/**
@title Maths library
@notice Internal library containing common maths.
*/
library Maths {
uint256 internal constant WAD = 1e18;
uint256 internal constant RAY = 1e27;
function wmul(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * y + WAD / 2) / WAD;
}
function floorWmul(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * y) / WAD;
}
function ceilWmul(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * y + WAD - 1) / WAD;
}
function wdiv(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * WAD + y / 2) / y;
}
function floorWdiv(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * WAD) / y;
}
function ceilWdiv(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * WAD + y - 1) / y;
}
function ceilDiv(uint256 x, uint256 y) internal pure returns (uint256) {
return (x + y - 1) / y;
}
function max(uint256 x, uint256 y) internal pure returns (uint256) {
return x >= y ? x : y;
}
function min(uint256 x, uint256 y) internal pure returns (uint256) {
return x <= y ? x : y;
}
function wad(uint256 x) internal pure returns (uint256) {
return x * WAD;
}
function rmul(uint256 x, uint256 y) internal pure returns (uint256) {
return (x * y + RAY / 2) / RAY;
}
function rpow(uint256 x, uint256 n) internal pure returns (uint256 z) {
z = n % 2 != 0 ? x : RAY;
for (n /= 2; n != 0; n /= 2) {
x = rmul(x, x);
if (n % 2 != 0) {
z = rmul(z, x);
}
}
}
/*************************/
/*** Integer Functions ***/
/*************************/
function maxInt(int256 x, int256 y) internal pure returns (int256) {
return x >= y ? x : y;
}
function minInt(int256 x, int256 y) internal pure returns (int256) {
return x <= y ? x : y;
}
}
contract Governance {
/// @notice Emitted when the governance address is updated.
event GovernanceTransferred(
address indexed previousGovernance,
address indexed newGovernance
);
modifier onlyGovernance() {
_checkGovernance();
_;
}
/// @notice Checks if the msg sender is the governance.
function _checkGovernance() internal view virtual {
require(governance == msg.sender, "!governance");
}
/// @notice Address that can set the default base fee and provider
address public governance;
constructor(address _governance) {
governance = _governance;
emit GovernanceTransferred(address(0), _governance);
}
/**
* @notice Sets a new address as the governance of the contract.
* @dev Throws if the caller is not current governance.
* @param _newGovernance The new governance address.
*/
function transferGovernance(
address _newGovernance
) external virtual onlyGovernance {
require(_newGovernance != address(0), "ZERO ADDRESS");
address oldGovernance = governance;
governance = _newGovernance;
emit GovernanceTransferred(oldGovernance, _newGovernance);
}
}
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
// On the first call to nonReentrant, _status will be _NOT_ENTERED
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
}
function _nonReentrantAfter() private {
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
/**
* @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
* `nonReentrant` function in the call stack.
*/
function _reentrancyGuardEntered() internal view returns (bool) {
return _status == _ENTERED;
}
}
interface ITaker {
function auctionTakeCallback(
bytes32 _auctionId,
address _sender,
uint256 _amountTaken,
uint256 _amountNeeded,
bytes calldata _data
) external;
}
/// @notice Interface that the optional `hook` contract should implement if the non-standard logic is desired.
interface IHook {
function kickable(address _fromToken) external view returns (uint256);
function auctionKicked(address _fromToken) external returns (uint256);
function preTake(
address _fromToken,
uint256 _amountToTake,
uint256 _amountToPay
) external;
function postTake(
address _toToken,
uint256 _amountTaken,
uint256 _amountPayed
) external;
}
/**
* @title Auction
* @author yearn.fi
* @notice General use dutch auction contract for token sales.
*/
contract Auction is Governance, ReentrancyGuard {
using SafeERC20 for ERC20;
/// @notice Emitted when a new auction is enabled
event AuctionEnabled(
bytes32 auctionId,
address indexed from,
address indexed to,
address indexed auctionAddress
);
/// @notice Emitted when an auction is disabled.
event AuctionDisabled(
bytes32 auctionId,
address indexed from,
address indexed to,
address indexed auctionAddress
);
/// @notice Emitted when auction has been kicked.
event AuctionKicked(bytes32 auctionId, uint256 available);
/// @notice Emitted when any amount of an active auction was taken.
event AuctionTaken(
bytes32 auctionId,
uint256 amountTaken,
uint256 amountLeft
);
/// @dev Store address and scaler in one slot.
struct TokenInfo {
address tokenAddress;
uint96 scaler;
}
/// @notice Store all the auction specific information.
struct AuctionInfo {
TokenInfo fromInfo;
uint96 kicked;
address receiver;
uint128 initialAvailable;
uint128 currentAvailable;
}
/// @notice Store the hook address and each flag in one slot.
struct Hook {
address hook;
bool kickable;
bool kick;
bool preTake;
bool postTake;
}
uint256 internal constant WAD = 1e18;
/// @notice Used for the price decay.
uint256 internal constant MINUTE_HALF_LIFE =
0.988514020352896135_356867505 * 1e27; // 0.5^(1/60)
/// @notice Struct to hold the info for `want`.
TokenInfo internal wantInfo;
/// @notice Contract to call during write functions.
Hook internal hook_;
/// @notice The amount to start the auction at.
uint256 public startingPrice;
/// @notice The time that each auction lasts.
uint256 public auctionLength;
/// @notice The minimum time to wait between auction 'kicks'.
uint256 public auctionCooldown;
/// @notice Mapping from an auction ID to its struct.
mapping(bytes32 => AuctionInfo) public auctions;
/// @notice Array of all the enabled auction for this contract.
bytes32[] public enabledAuctions;
constructor() Governance(msg.sender) {}
/**
* @notice Initializes the Auction contract with initial parameters.
* @param _want Address this auction is selling to.
* @param _hook Address of the hook contract (optional).
* @param _governance Address of the contract governance.
* @param _auctionLength Duration of each auction in seconds.
* @param _auctionCooldown Cooldown period between auctions in seconds.
* @param _startingPrice Starting price for each auction.
*/
function initialize(
address _want,
address _hook,
address _governance,
uint256 _auctionLength,
uint256 _auctionCooldown,
uint256 _startingPrice
) external virtual {
require(auctionLength == 0, "initialized");
require(_want != address(0), "ZERO ADDRESS");
require(_auctionLength != 0, "length");
require(_auctionLength < _auctionCooldown, "cooldown");
require(_startingPrice != 0, "starting price");
// Cannot have more than 18 decimals.
uint256 decimals = ERC20(_want).decimals();
require(decimals <= 18, "unsupported decimals");
// Set variables
wantInfo = TokenInfo({
tokenAddress: _want,
scaler: uint96(WAD / 10 ** decimals)
});
// If we are using a hook.
if (_hook != address(0)) {
// All flags default to true.
hook_ = Hook({
hook: _hook,
kickable: true,
kick: true,
preTake: true,
postTake: true
});
}
governance = _governance;
auctionLength = _auctionLength;
auctionCooldown = _auctionCooldown;
startingPrice = _startingPrice;
}
/*//////////////////////////////////////////////////////////////
VIEW METHODS
//////////////////////////////////////////////////////////////*/
/**
* @notice Get the address of this auctions want token.
* @return . The want token.
*/
function want() public view virtual returns (address) {
return wantInfo.tokenAddress;
}
/**
* @notice Get the address of the hook if any.
* @return . The hook.
*/
function hook() external view virtual returns (address) {
return hook_.hook;
}
/**
* @notice Get the current status of which hooks are being used.
* @return . If the kickable hook is used.
* @return . If the kick hook is used.
* @return . If the preTake hook is used.
* @return . If the postTake hook is used.
*/
function getHookFlags()
external
view
virtual
returns (bool, bool, bool, bool)
{
Hook memory _hook;
return (_hook.kickable, _hook.kick, _hook.preTake, _hook.postTake);
}
/**
* @notice Get the length of the enabled auctions array.
*/
function numberOfEnabledAuctions() external view virtual returns (uint256) {
return enabledAuctions.length;
}
/**
* @notice Get the unique auction identifier.
* @param _from The address of the token to sell.
* @return bytes32 A unique auction identifier.
*/
function getAuctionId(address _from) public view virtual returns (bytes32) {
return keccak256(abi.encodePacked(_from, want(), address(this)));
}
/**
* @notice Retrieves information about a specific auction.
* @param _auctionId The unique identifier of the auction.
* @return _from The address of the token to sell.
* @return _to The address of the token to buy.
* @return _kicked The timestamp of the last kick.
* @return _available The current available amount for the auction.
*/
function auctionInfo(
bytes32 _auctionId
)
public
view
virtual
returns (
address _from,
address _to,
uint256 _kicked,
uint256 _available
)
{
AuctionInfo memory auction = auctions[_auctionId];
return (
auction.fromInfo.tokenAddress,
want(),
auction.kicked,
auction.kicked + auctionLength > block.timestamp
? auction.currentAvailable
: 0
);
}
/**
* @notice Get the pending amount available for the next auction.
* @dev Defaults to the auctions balance of the from token if no hook.
* @param _auctionId The unique identifier of the auction.
* @return uint256 The amount that can be kicked into the auction.
*/
function kickable(
bytes32 _auctionId
) external view virtual returns (uint256) {
// If not enough time has passed then `kickable` is 0.
if (auctions[_auctionId].kicked + auctionCooldown > block.timestamp) {
return 0;
}
// Check if we have a hook to call.
Hook memory _hook = hook_;
if (_hook.kickable) {
// If so default to the hooks logic.
return
IHook(_hook.hook).kickable(
auctions[_auctionId].fromInfo.tokenAddress
);
} else {
// Else just use the full balance of this contract.
return
ERC20(auctions[_auctionId].fromInfo.tokenAddress).balanceOf(
address(this)
);
}
}
/**
* @notice Gets the amount of `want` needed to buy a specific amount of `from`.
* @param _auctionId The unique identifier of the auction.
* @param _amountToTake The amount of `from` to take in the auction.
* @return . The amount of `want` needed to fulfill the take amount.
*/
function getAmountNeeded(
bytes32 _auctionId,
uint256 _amountToTake
) external view virtual returns (uint256) {
return
_getAmountNeeded(
auctions[_auctionId],
_amountToTake,
block.timestamp
);
}
/**
* @notice Gets the amount of `want` needed to buy a specific amount of `from` at a specific timestamp.
* @param _auctionId The unique identifier of the auction.
* @param _amountToTake The amount `from` to take in the auction.
* @param _timestamp The specific timestamp for calculating the amount needed.
* @return . The amount of `want` needed to fulfill the take amount.
*/
function getAmountNeeded(
bytes32 _auctionId,
uint256 _amountToTake,
uint256 _timestamp
) external view virtual returns (uint256) {
return
_getAmountNeeded(auctions[_auctionId], _amountToTake, _timestamp);
}
/**
* @dev Return the amount of `want` needed to buy `_amountToTake`.
*/
function _getAmountNeeded(
AuctionInfo memory _auction,
uint256 _amountToTake,
uint256 _timestamp
) internal view virtual returns (uint256) {
return
// Scale _amountToTake to 1e18
(_amountToTake *
_auction.fromInfo.scaler *
// Price is always 1e18
_price(
_auction.kicked,
_auction.initialAvailable * _auction.fromInfo.scaler,
_timestamp
)) /
1e18 /
// Scale back down to want.
wantInfo.scaler;
}
/**
* @notice Gets the price of the auction at the current timestamp.
* @param _auctionId The unique identifier of the auction.
* @return . The price of the auction.
*/
function price(bytes32 _auctionId) external view virtual returns (uint256) {
return price(_auctionId, block.timestamp);
}
/**
* @notice Gets the price of the auction at a specific timestamp.
* @param _auctionId The unique identifier of the auction.
* @param _timestamp The specific timestamp for calculating the price.
* @return . The price of the auction.
*/
function price(
bytes32 _auctionId,
uint256 _timestamp
) public view virtual returns (uint256) {
// Get unscaled price and scale it down.
return
_price(
auctions[_auctionId].kicked,
auctions[_auctionId].initialAvailable *
auctions[_auctionId].fromInfo.scaler,
_timestamp
) / wantInfo.scaler;
}
/**
* @dev Internal function to calculate the scaled price based on auction parameters.
* @param _kicked The timestamp the auction was kicked.
* @param _available The initial available amount scaled 1e18.
* @param _timestamp The specific timestamp for calculating the price.
* @return . The calculated price scaled to 1e18.
*/
function _price(
uint256 _kicked,
uint256 _available,
uint256 _timestamp
) internal view virtual returns (uint256) {
if (_available == 0) return 0;
uint256 secondsElapsed = _timestamp - _kicked;
if (secondsElapsed > auctionLength) return 0;
// Exponential decay from https://github.com/ajna-finance/ajna-core/blob/master/src/libraries/helpers/PoolHelper.sol
uint256 hoursComponent = 1e27 >> (secondsElapsed / 3600);
uint256 minutesComponent = Maths.rpow(
MINUTE_HALF_LIFE,
(secondsElapsed % 3600) / 60
);
uint256 initialPrice = Maths.wdiv(startingPrice * 1e18, _available);
return
(initialPrice * Maths.rmul(hoursComponent, minutesComponent)) /
1e27;
}
/*//////////////////////////////////////////////////////////////
SETTERS
//////////////////////////////////////////////////////////////*/
/**
* @notice Enables a new auction.
* @dev Uses governance as the receiver.
* @param _from The address of the token to be auctioned.
* @return . The unique identifier of the enabled auction.
*/
function enable(address _from) external virtual returns (bytes32) {
return enable(_from, msg.sender);
}
/**
* @notice Enables a new auction.
* @param _from The address of the token to be auctioned.
* @param _receiver The address that will receive the funds in the auction.
* @return _auctionId The unique identifier of the enabled auction.
*/
function enable(
address _from,
address _receiver
) public virtual onlyGovernance returns (bytes32 _auctionId) {
address _want = want();
require(_from != address(0) && _from != _want, "ZERO ADDRESS");
require(
_receiver != address(0) && _receiver != address(this),
"receiver"
);
// Cannot have more than 18 decimals.
uint256 decimals = ERC20(_from).decimals();
require(decimals <= 18, "unsupported decimals");
// Calculate the id.
_auctionId = getAuctionId(_from);
require(
auctions[_auctionId].fromInfo.tokenAddress == address(0),
"already enabled"
);
// Store all needed info.
auctions[_auctionId].fromInfo = TokenInfo({
tokenAddress: _from,
scaler: uint96(WAD / 10 ** decimals)
});
auctions[_auctionId].receiver = _receiver;
// Add to the array.
enabledAuctions.push(_auctionId);
emit AuctionEnabled(_auctionId, _from, _want, address(this));
}
/**
* @notice Disables an existing auction.
* @dev Only callable by governance.
* @param _from The address of the token being sold.
*/
function disable(address _from) external virtual {
disable(_from, 0);
}
/**
* @notice Disables an existing auction.
* @dev Only callable by governance.
* @param _from The address of the token being sold.
* @param _index The index the auctionId is at in the array.
*/
function disable(
address _from,
uint256 _index
) public virtual onlyGovernance {
bytes32 _auctionId = getAuctionId(_from);
// Make sure the auction was enabled.
require(
auctions[_auctionId].fromInfo.tokenAddress != address(0),
"not enabled"
);
// Remove the struct.
delete auctions[_auctionId];
// Remove the auction ID from the array.
bytes32[] memory _enabledAuctions = enabledAuctions;
if (_enabledAuctions[_index] != _auctionId) {
// If the _index given is not the id find it.
for (uint256 i = 0; i < _enabledAuctions.length; ++i) {
if (_enabledAuctions[i] == _auctionId) {
_index = i;
break;
}
}
}
// Move the id to the last spot if not there.
if (_index < _enabledAuctions.length - 1) {
_enabledAuctions[_index] = _enabledAuctions[
_enabledAuctions.length - 1
];
// Update the array.
enabledAuctions = _enabledAuctions;
}
// Pop the id off the array.
enabledAuctions.pop();
emit AuctionDisabled(_auctionId, _from, want(), address(this));
}
/**
* @notice Set the flags to be used with hook.
* @param _kickable If the kickable hook should be used.
* @param _kick If the kick hook should be used.
* @param _preTake If the preTake hook should be used.
* @param _postTake If the postTake should be used.
*/
function setHookFlags(
bool _kickable,
bool _kick,
bool _preTake,
bool _postTake
) external virtual onlyGovernance {
address _hook = hook_.hook;
require(_hook != address(0), "no hook set");
hook_ = Hook({
hook: _hook,
kickable: _kickable,
kick: _kick,
preTake: _preTake,
postTake: _postTake
});
}
/*//////////////////////////////////////////////////////////////
PARTICIPATE IN AUCTION
//////////////////////////////////////////////////////////////*/
/**
* @notice Kicks off an auction, updating its status and making funds available for bidding.
* @param _auctionId The unique identifier of the auction.
* @return available The available amount for bidding on in the auction.
*/
function kick(
bytes32 _auctionId
) external virtual nonReentrant returns (uint256 available) {
address _fromToken = auctions[_auctionId].fromInfo.tokenAddress;
require(_fromToken != address(0), "not enabled");
require(
block.timestamp > auctions[_auctionId].kicked + auctionCooldown,
"too soon"
);
Hook memory _hook = hook_;
// Use hook if defined.
if (_hook.kick) {
available = IHook(_hook.hook).auctionKicked(_fromToken);
} else {
// Else just use current balance.
available = ERC20(_fromToken).balanceOf(address(this));
}
require(available != 0, "nothing to kick");
// Update the auctions status.
auctions[_auctionId].kicked = uint96(block.timestamp);
auctions[_auctionId].initialAvailable = uint128(available);
auctions[_auctionId].currentAvailable = uint128(available);
emit AuctionKicked(_auctionId, available);
}
/**
* @notice Take the token being sold in a live auction.
* @dev Defaults to taking the full amount and sending to the msg sender.
* @param _auctionId The unique identifier of the auction.
* @return . The amount of fromToken taken in the auction.
*/
function take(bytes32 _auctionId) external virtual returns (uint256) {
return _take(_auctionId, type(uint256).max, msg.sender, new bytes(0));
}
/**
* @notice Take the token being sold in a live auction with a specified maximum amount.
* @dev Uses the sender's address as the receiver.
* @param _auctionId The unique identifier of the auction.
* @param _maxAmount The maximum amount of fromToken to take in the auction.
* @return . The amount of fromToken taken in the auction.
*/
function take(
bytes32 _auctionId,
uint256 _maxAmount
) external virtual returns (uint256) {
return _take(_auctionId, _maxAmount, msg.sender, new bytes(0));
}
/**
* @notice Take the token being sold in a live auction.
* @param _auctionId The unique identifier of the auction.
* @param _maxAmount The maximum amount of fromToken to take in the auction.
* @param _receiver The address that will receive the fromToken.
* @return _amountTaken The amount of fromToken taken in the auction.
*/
function take(
bytes32 _auctionId,
uint256 _maxAmount,
address _receiver
) external virtual returns (uint256) {
return _take(_auctionId, _maxAmount, _receiver, new bytes(0));
}
/**
* @notice Take the token being sold in a live auction.
* @param _auctionId The unique identifier of the auction.
* @param _maxAmount The maximum amount of fromToken to take in the auction.
* @param _receiver The address that will receive the fromToken.
* @param _data The data signify the callback should be used and sent with it.
* @return _amountTaken The amount of fromToken taken in the auction.
*/
function take(
bytes32 _auctionId,
uint256 _maxAmount,
address _receiver,
bytes calldata _data
) external virtual returns (uint256) {
return _take(_auctionId, _maxAmount, _receiver, _data);
}
/// @dev Implements the take of the auction.
function _take(
bytes32 _auctionId,
uint256 _maxAmount,
address _receiver,
bytes memory _data
) internal virtual nonReentrant returns (uint256 _amountTaken) {
AuctionInfo memory auction = auctions[_auctionId];
// Make sure the auction is active.
require(
auction.kicked + auctionLength >= block.timestamp,
"not kicked"
);
// Max amount that can be taken.
_amountTaken = auction.currentAvailable > _maxAmount
? _maxAmount
: auction.currentAvailable;
// Get the amount needed
uint256 needed = _getAmountNeeded(
auction,
_amountTaken,
block.timestamp
);
require(needed != 0, "zero needed");
// How much is left in this auction.
uint256 left;
unchecked {
left = auction.currentAvailable - _amountTaken;
}
auctions[_auctionId].currentAvailable = uint128(left);
Hook memory _hook = hook_;
if (_hook.preTake) {
// Use hook if defined.
IHook(_hook.hook).preTake(
auction.fromInfo.tokenAddress,
_amountTaken,
needed
);
}
// Send `from`.
ERC20(auction.fromInfo.tokenAddress).safeTransfer(
_receiver,
_amountTaken
);
// If the caller has specified data.
if (_data.length != 0) {
// Do the callback.
ITaker(_receiver).auctionTakeCallback(
_auctionId,
msg.sender,
_amountTaken,
needed,
_data
);
}
// Cache the want address.
address _want = want();
// Pull `want`.
ERC20(_want).safeTransferFrom(msg.sender, auction.receiver, needed);
// Post take hook if defined.
if (_hook.postTake) {
IHook(_hook.hook).postTake(_want, _amountTaken, needed);
}
emit AuctionTaken(_auctionId, _amountTaken, left);
}
}
contract Clonable {
/// @notice Set to the address to auto clone from.
address public original;
/**
* @notice Clone the contracts default `original` contract.
* @return Address of the new Minimal Proxy clone.
*/
function _clone() internal virtual returns (address) {
return _clone(original);
}
/**
* @notice Clone any `_original` contract.
* @return _newContract Address of the new Minimal Proxy clone.
*/
function _clone(
address _original
) internal virtual returns (address _newContract) {
// Copied from https://github.com/optionality/clone-factory/blob/master/contracts/CloneFactory.sol
bytes20 addressBytes = bytes20(_original);
assembly {
// EIP-1167 bytecode
let clone_code := mload(0x40)
mstore(
clone_code,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
mstore(add(clone_code, 0x14), addressBytes)
mstore(
add(clone_code, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
_newContract := create(0, clone_code, 0x37)
}
}
}
/// @title AuctionFactory
/// @notice Deploy a new Auction.
contract AuctionFactory is Clonable {
event DeployedNewAuction(address indexed auction, address indexed want);
/// @notice The time that each auction lasts.
uint256 public constant DEFAULT_AUCTION_LENGTH = 1 days;
/// @notice The minimum time to wait between auction 'kicks'.
uint256 public constant DEFAULT_AUCTION_COOLDOWN = 5 days;
/// @notice The amount to start the auction with.
uint256 public constant DEFAULT_STARTING_PRICE = 1_000_000;
/// @notice Full array of all auctions deployed through this factory.
address[] public auctions;
constructor() {
// Deploy the original
original = address(new Auction());
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(address _want) external returns (address) {
return
_createNewAuction(
_want,
address(0),
msg.sender,
DEFAULT_AUCTION_LENGTH,
DEFAULT_AUCTION_COOLDOWN,
DEFAULT_STARTING_PRICE
);
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @param _hook Address of the hook contract if any.
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(
address _want,
address _hook
) external returns (address) {
return
_createNewAuction(
_want,
_hook,
msg.sender,
DEFAULT_AUCTION_LENGTH,
DEFAULT_AUCTION_COOLDOWN,
DEFAULT_STARTING_PRICE
);
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @param _hook Address of the hook contract if any.
* @param _governance Address allowed to enable and disable auctions.
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(
address _want,
address _hook,
address _governance
) external returns (address) {
return
_createNewAuction(
_want,
_hook,
_governance,
DEFAULT_AUCTION_LENGTH,
DEFAULT_AUCTION_COOLDOWN,
DEFAULT_STARTING_PRICE
);
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @param _hook Address of the hook contract if any.
* @param _governance Address allowed to enable and disable auctions.
* @param _auctionLength Length of the auction in seconds.
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(
address _want,
address _hook,
address _governance,
uint256 _auctionLength
) external returns (address) {
return
_createNewAuction(
_want,
_hook,
_governance,
_auctionLength,
DEFAULT_AUCTION_COOLDOWN,
DEFAULT_STARTING_PRICE
);
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @param _hook Address of the hook contract if any.
* @param _governance Address allowed to enable and disable auctions.
* @param _auctionLength Length of the auction in seconds.
* @param _auctionCooldown Minimum time period between kicks in seconds.
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(
address _want,
address _hook,
address _governance,
uint256 _auctionLength,
uint256 _auctionCooldown
) external returns (address) {
return
_createNewAuction(
_want,
_hook,
_governance,
_auctionLength,
_auctionCooldown,
DEFAULT_STARTING_PRICE
);
}
/**
* @notice Creates a new auction contract.
* @param _want Address of the token users will bid with.
* @param _hook Address of the hook contract if any.
* @param _governance Address allowed to enable and disable auctions.
* @param _auctionLength Length of the auction in seconds.
* @param _auctionCooldown Minimum time period between kicks in seconds.
* @param _startingPrice Starting price for the auction (no decimals).
* NOTE: The starting price should be without decimals (1k == 1_000).
* @return _newAuction Address of the newly created auction contract.
*/
function createNewAuction(
address _want,
address _hook,
address _governance,
uint256 _auctionLength,
uint256 _auctionCooldown,
uint256 _startingPrice
) external returns (address) {
return
_createNewAuction(
_want,
_hook,
_governance,
_auctionLength,
_auctionCooldown,
_startingPrice
);
}
/**
* @dev Deploys and initializes a new Auction
*/
function _createNewAuction(
address _want,
address _hook,
address _governance,
uint256 _auctionLength,
uint256 _auctionCooldown,
uint256 _startingPrice
) internal returns (address _newAuction) {
_newAuction = _clone();
Auction(_newAuction).initialize(
_want,
_hook,
_governance,
_auctionLength,
_auctionCooldown,
_startingPrice
);
auctions.push(_newAuction);
emit DeployedNewAuction(_newAuction, _want);
}
/**
* @notice Get the full list of auctions deployed through this factory.
*/
function getAllAuctions() external view returns (address[] memory) {
return auctions;
}
/**
* @notice Get the total number of auctions deployed through this factory.
*/
function numberOfAuctions() external view returns (uint256) {
return auctions.length;
}
}
/**
* @title AuctionSwapper
* @author yearn.fi
* @dev Helper contract for a strategy to use dutch auctions for token sales.
*
* This contract is meant to be inherited by a V3 strategy in order
* to easily integrate dutch auctions into a contract for token swaps.
*
* The strategist will need to implement a way to call `_enableAuction`
* for an token pair they want to use, or a setter to manually set the
* `auction` contract.
*
* The contract comes with all of the needed function to act as a `hook`
* contract for the specific auction contract with the ability to override
* any of the functions to implement custom hooks.
*
* NOTE: If any hooks are not desired, the strategist should also
* implement a way to call the {setHookFlags} on the auction contract
* to avoid unnecessary gas for unused functions.
*/
contract AuctionSwapper {
using SafeERC20 for ERC20;
modifier onlyAuction() {
_isAuction();
_;
}
/**
* @dev Check the caller is the auction contract for hooks.
*/
function _isAuction() internal view virtual {
require(msg.sender == auction, "!auction");
}
/// @notice The pre-deployed Auction factory for cloning.
address public constant auctionFactory =
0x4A14145C4977E18c719BB70E6FcBF8fBFF6F62d2;
/// @notice Address of the specific Auction this strategy uses.
address public auction;
/*//////////////////////////////////////////////////////////////
AUCTION STARTING AND STOPPING
//////////////////////////////////////////////////////////////*/
function _enableAuction(
address _from,
address _want
) internal virtual returns (bytes32) {
return _enableAuction(_from, _want, 1 days, 3 days, 1e6);
}
/**
* @dev Used to enable a new Auction to sell `_from` to `_want`.
* If this is the first auction enabled it will deploy a new `auction`
* contract to use from the factory.
*
* NOTE: This only supports one `_want` token per strategy.
*
* @param _from Token to sell
* @param _want Token to buy.
* @return .The auction ID.
*/
function _enableAuction(
address _from,
address _want,
uint256 _auctionLength,
uint256 _auctionCooldown,
uint256 _startingPrice
) internal virtual returns (bytes32) {
address _auction = auction;
// If this is the first auction.
if (_auction == address(0)) {
// Deploy a new auction
_auction = AuctionFactory(auctionFactory).createNewAuction(
_want,
address(this),
address(this),
_auctionLength,
_auctionCooldown,
_startingPrice
);
// Store it for future use.
auction = _auction;
} else {
// Can only use one `want` per auction contract.
require(Auction(_auction).want() == _want, "wrong want");
}
// Enable new auction for `_from` token.
return Auction(_auction).enable(_from);
}
/**
* @dev Disable an auction for a given token.
* @param _from The token that was being sold.
*/
function _disableAuction(address _from) internal virtual {
Auction(auction).disable(_from);
}
/*//////////////////////////////////////////////////////////////
OPTIONAL AUCTION HOOKS
//////////////////////////////////////////////////////////////*/
/**
* @notice Return how much `_token` could currently be kicked into auction.
* @dev This can be overridden by a strategist to implement custom logic.
* @param _token Address of the `_from` token.
* @return . The amount of `_token` ready to be auctioned off.
*/
function kickable(address _token) public view virtual returns (uint256) {
return ERC20(_token).balanceOf(address(this));
}
/**
* @dev To override if something other than just sending the loose balance
* of `_token` to the auction is desired, such as accruing and and claiming rewards.
*
* @param _token Address of the token being auctioned off
*/
function _auctionKicked(address _token) internal virtual returns (uint256) {
// Send any loose balance to the auction.
uint256 balance = ERC20(_token).balanceOf(address(this));
if (balance != 0) ERC20(_token).safeTransfer(auction, balance);
return ERC20(_token).balanceOf(auction);
}
/**
* @dev To override if something needs to be done before a take is completed.
* This can be used if the auctioned token only will be freed up when a `take`
* occurs.
* @param _token Address of the token being taken.
* @param _amountToTake Amount of `_token` needed.
* @param _amountToPay Amount of `want` that will be payed.
*/
function _preTake(
address _token,
uint256 _amountToTake,
uint256 _amountToPay
) internal virtual {}
/**
* @dev To override if a post take action is desired.
*
* This could be used to re-deploy the bought token back into the yield source,
* or in conjunction with {_preTake} to check that the price sold at was within
* some allowed range.
*
* @param _token Address of the token that the strategy was sent.
* @param _amountTaken Amount of the from token taken.
* @param _amountPayed Amount of `_token` that was sent to the strategy.
*/
function _postTake(
address _token,
uint256 _amountTaken,
uint256 _amountPayed
) internal virtual {}
/*//////////////////////////////////////////////////////////////
AUCTION HOOKS
//////////////////////////////////////////////////////////////*/
/**
* @notice External hook for the auction to call during a `kick`.
* @dev Will call the internal version for the strategist to override.
* @param _token Token being kicked into auction.
* @return . The amount of `_token` to be auctioned off.
*/
function auctionKicked(
address _token
) external virtual onlyAuction returns (uint256) {
return _auctionKicked(_token);
}
/**
* @notice External hook for the auction to call before a `take`.
* @dev Will call the internal version for the strategist to override.
* @param _token Token being taken in the auction.
* @param _amountToTake The amount of `_token` to be sent to the taker.
* @param _amountToPay Amount of `want` that will be payed.
*/
function preTake(
address _token,
uint256 _amountToTake,
uint256 _amountToPay
) external virtual onlyAuction {
_preTake(_token, _amountToTake, _amountToPay);
}
/**
* @notice External hook for the auction to call after a `take` completed.
* @dev Will call the internal version for the strategist to override.
* @param _token The `want` token that was sent to the strategy.
* @param _amountTaken Amount of the from token taken.
* @param _amountPayed Amount of `_token` that was sent to the strategy.
*/
function postTake(
address _token,
uint256 _amountTaken,
uint256 _amountPayed
) external virtual onlyAuction {
_postTake(_token, _amountTaken, _amountPayed);
}
}
contract SturdyLender is Base4626Compounder, AuctionSwapper {
// Mapping to be set by management for any reward tokens.
// This can be used to set different mins for different tokens
// or to set to uin256.max if selling a reward token is reverting
mapping(address => uint256) public minAmountToSellMapping;
constructor(
address _asset,
string memory _name,
address _vault
) Base4626Compounder(_asset, _name, _vault) {}
function setAuction(address _auction) external onlyEmergencyAuthorized {
if (_auction != address(0)) {
require(Auction(_auction).want() == address(asset), "wrong want");
}
auction = _auction;
}
function _auctionKicked(
address _token
) internal virtual override returns (uint256 _kicked) {
require(
_token != address(asset) && _token != address(vault),
"!allowed"
);
_kicked = super._auctionKicked(_token);
require(_kicked >= minAmountToSellMapping[_token], "too little");
}
/**
* @notice Set the `minAmountToSellMapping` for a specific `_token`.
* @dev This can be used by management to adjust wether or not the
* _claimAndSellRewards() function will attempt to sell a specific
* reward token. This can be used if liquidity is to low, amounts
* are to low or any other reason that may cause reverts.
*
* @param _token The address of the token to adjust.
* @param _amount Min required amount to sell.
*/
function setMinAmountToSellMapping(
address _token,
uint256 _amount
) external onlyManagement {
minAmountToSellMapping[_token] = _amount;
}
}
|
1 | 19,498,491 |
2520eba4429a845cd6a0fa28618056748bc0c5acc0cf5f1f7a981cac5912a166
|
969aec820d78994903f1b131fdbb2b8a504575ba8f3d02a04cf4fbf15346c906
|
45db9de488391c0bf7074b00eec8c2c8bd1eb04a
|
29ef46035e9fa3d570c598d3266424ca11413b0c
|
4a368e9b91c3c9f10f45acafd2293e09aaa36c53
|
3d602d80600a3d3981f3363d3d373d3d3d363d735397d0869aba0d55e96d5716d383f6e1d8695ed75af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d735397d0869aba0d55e96d5716d383f6e1d8695ed75af43d82803e903d91602b57fd5bf3
|
{{
"language": "Solidity",
"sources": {
"contracts/Forwarder.sol": {
"content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.10;\nimport '@openzeppelin/contracts/token/ERC1155/IERC1155.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';\nimport '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol';\nimport './ERC20Interface.sol';\nimport './TransferHelper.sol';\nimport './IForwarder.sol';\n\n/**\n * Contract that will forward any incoming Ether to the creator of the contract\n *\n */\ncontract Forwarder is IERC721Receiver, ERC1155Receiver, IForwarder {\n // Address to which any funds sent to this contract will be forwarded\n address public parentAddress;\n bool public autoFlush721 = true;\n bool public autoFlush1155 = true;\n\n event ForwarderDeposited(address from, uint256 value, bytes data);\n\n /**\n * Initialize the contract, and sets the destination address to that of the creator\n */\n function init(\n address _parentAddress,\n bool _autoFlush721,\n bool _autoFlush1155\n ) external onlyUninitialized {\n parentAddress = _parentAddress;\n uint256 value = address(this).balance;\n\n // set whether we want to automatically flush erc721/erc1155 tokens or not\n autoFlush721 = _autoFlush721;\n autoFlush1155 = _autoFlush1155;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n\n // NOTE: since we are forwarding on initialization,\n // we don't have the context of the original sender.\n // We still emit an event about the forwarding but set\n // the sender to the forwarder itself\n emit ForwarderDeposited(address(this), value, msg.data);\n }\n\n /**\n * Modifier that will execute internal code block only if the sender is the parent address\n */\n modifier onlyParent {\n require(msg.sender == parentAddress, 'Only Parent');\n _;\n }\n\n /**\n * Modifier that will execute internal code block only if the contract has not been initialized yet\n */\n modifier onlyUninitialized {\n require(parentAddress == address(0x0), 'Already initialized');\n _;\n }\n\n /**\n * Default function; Gets called when data is sent but does not match any other function\n */\n fallback() external payable {\n flush();\n }\n\n /**\n * Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address\n */\n receive() external payable {\n flush();\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush721(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush721 = autoFlush;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush1155(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush1155 = autoFlush;\n }\n\n /**\n * ERC721 standard callback function for when a ERC721 is transfered. The forwarder will send the nft\n * to the base wallet once the nft contract invokes this method after transfering the nft.\n *\n * @param _operator The address which called `safeTransferFrom` function\n * @param _from The address of the sender\n * @param _tokenId The token id of the nft\n * @param data Additional data with no specified format, sent in call to `_to`\n */\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes memory data\n ) external virtual override returns (bytes4) {\n if (autoFlush721) {\n IERC721 instance = IERC721(msg.sender);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The caller does not support the ERC721 interface'\n );\n // this won't work for ERC721 re-entrancy\n instance.safeTransferFrom(address(this), parentAddress, _tokenId, data);\n }\n\n return this.onERC721Received.selector;\n }\n\n function callFromParent(\n address target,\n uint256 value,\n bytes calldata data\n ) external onlyParent returns (bytes memory) {\n (bool success, bytes memory returnedData) = target.call{ value: value }(\n data\n );\n require(success, 'Parent call execution failed');\n\n return returnedData;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155Received(\n address _operator,\n address _from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeTransferFrom(address(this), parentAddress, id, value, data);\n }\n\n return this.onERC1155Received.selector;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155BatchReceived(\n address _operator,\n address _from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeBatchTransferFrom(\n address(this),\n parentAddress,\n ids,\n values,\n data\n );\n }\n\n return this.onERC1155BatchReceived.selector;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushTokens(address tokenContractAddress)\n external\n virtual\n override\n onlyParent\n {\n ERC20Interface instance = ERC20Interface(tokenContractAddress);\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress);\n if (forwarderBalance == 0) {\n return;\n }\n\n TransferHelper.safeTransfer(\n tokenContractAddress,\n parentAddress,\n forwarderBalance\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC721 instance = IERC721(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The tokenContractAddress does not support the ERC721 interface'\n );\n\n address ownerAddress = instance.ownerOf(tokenId);\n instance.transferFrom(ownerAddress, parentAddress, tokenId);\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress, tokenId);\n\n instance.safeTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenId,\n forwarderBalance,\n ''\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external virtual override onlyParent {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256[] memory amounts = new uint256[](tokenIds.length);\n for (uint256 i = 0; i < tokenIds.length; i++) {\n amounts[i] = instance.balanceOf(forwarderAddress, tokenIds[i]);\n }\n\n instance.safeBatchTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenIds,\n amounts,\n ''\n );\n }\n\n /**\n * Flush the entire balance of the contract to the parent address.\n */\n function flush() public {\n uint256 value = address(this).balance;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n emit ForwarderDeposited(msg.sender, value, msg.data);\n }\n\n /**\n * @inheritdoc IERC165\n */\n function supportsInterface(bytes4 interfaceId)\n public\n virtual\n override(ERC1155Receiver, IERC165)\n view\n returns (bool)\n {\n return\n interfaceId == type(IForwarder).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/IERC1155.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155 is IERC165 {\n /**\n * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n */\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /**\n * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n */\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /**\n * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n */\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /**\n * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n *\n * If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n */\n event URI(string value, uint256 indexed id);\n\n /**\n * @dev Returns the amount of tokens of token type `id` owned by `account`.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /**\n * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n *\n * Emits an {ApprovalForAll} event.\n *\n * Requirements:\n *\n * - `operator` cannot be the caller.\n */\n function setApprovalForAll(address operator, bool approved) external;\n\n /**\n * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n"
},
"@openzeppelin/contracts/token/ERC721/IERC721.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n}\n"
},
"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155Receiver.sol\";\nimport \"../../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\nabstract contract ERC1155Receiver is ERC165, IERC1155Receiver {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);\n }\n}\n"
},
"contracts/ERC20Interface.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity 0.8.10;\n\n/**\n * Contract that exposes the needed erc20 token functions\n */\n\nabstract contract ERC20Interface {\n // Send _value amount of tokens to address _to\n function transfer(address _to, uint256 _value)\n public\n virtual\n returns (bool success);\n\n // Get the account balance of another account with address _owner\n function balanceOf(address _owner)\n public\n virtual\n view\n returns (uint256 balance);\n}\n"
},
"contracts/TransferHelper.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0-or-later\n// source: https://github.com/Uniswap/solidity-lib/blob/master/contracts/libraries/TransferHelper.sol\npragma solidity 0.8.10;\n\nimport '@openzeppelin/contracts/utils/Address.sol';\n\n// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false\nlibrary TransferHelper {\n function safeTransfer(\n address token,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transfer(address,uint256)')));\n (bool success, bytes memory data) = token.call(\n abi.encodeWithSelector(0xa9059cbb, to, value)\n );\n require(\n success && (data.length == 0 || abi.decode(data, (bool))),\n 'TransferHelper::safeTransfer: transfer failed'\n );\n }\n\n function safeTransferFrom(\n address token,\n address from,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));\n (bool success, bytes memory returndata) = token.call(\n abi.encodeWithSelector(0x23b872dd, from, to, value)\n );\n Address.verifyCallResult(\n success,\n returndata,\n 'TransferHelper::transferFrom: transferFrom failed'\n );\n }\n}\n"
},
"contracts/IForwarder.sol": {
"content": "pragma solidity ^0.8.0;\n\nimport '@openzeppelin/contracts/utils/introspection/IERC165.sol';\n\ninterface IForwarder is IERC165 {\n /**\n * Sets the autoflush721 parameter.\n *\n * @param autoFlush whether to autoflush erc721 tokens\n */\n function setAutoFlush721(bool autoFlush) external;\n\n /**\n * Sets the autoflush1155 parameter.\n *\n * @param autoFlush whether to autoflush erc1155 tokens\n */\n function setAutoFlush1155(bool autoFlush) external;\n\n /**\n * Execute a token transfer of the full balance from the forwarder token to the parent address\n *\n * @param tokenContractAddress the address of the erc20 token contract\n */\n function flushTokens(address tokenContractAddress) external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address\n *\n * @param tokenContractAddress the address of the ERC721 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a batch nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenIds The token ids of the nfts\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external;\n}\n"
},
"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\ninterface IERC1155Receiver is IERC165 {\n /**\n @dev Handles the receipt of a single ERC1155 token type. This function is\n called at the end of a `safeTransferFrom` after the balance has been updated.\n To accept the transfer, this must return\n `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n (i.e. 0xf23a6e61, or its own function selector).\n @param operator The address which initiated the transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param id The ID of the token being transferred\n @param value The amount of tokens being transferred\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n */\n function onERC1155Received(\n address operator,\n address from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external returns (bytes4);\n\n /**\n @dev Handles the receipt of a multiple ERC1155 token types. This function\n is called at the end of a `safeBatchTransferFrom` after the balances have\n been updated. To accept the transfer(s), this must return\n `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n (i.e. 0xbc197c81, or its own function selector).\n @param operator The address which initiated the batch transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param ids An array containing ids of each token being transferred (order and length must match values array)\n @param values An array containing amounts of each token being transferred (order and length must match ids array)\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n */\n function onERC1155BatchReceived(\n address operator,\n address from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external returns (bytes4);\n}\n"
},
"@openzeppelin/contracts/utils/introspection/ERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n"
},
"@openzeppelin/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize, which returns 0 for contracts in\n // construction, since the code is only stored at the end of the\n // constructor execution.\n\n uint256 size;\n assembly {\n size := extcodesize(account)\n }\n return size > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": false,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
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"evm.deployedBytecode",
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"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}
}}
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{{
"language": "Solidity",
"sources": {
"contracts/Forwarder.sol": {
"content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.10;\nimport '@openzeppelin/contracts/token/ERC1155/IERC1155.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';\nimport '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol';\nimport './ERC20Interface.sol';\nimport './TransferHelper.sol';\nimport './IForwarder.sol';\n\n/**\n * Contract that will forward any incoming Ether to the creator of the contract\n *\n */\ncontract Forwarder is IERC721Receiver, ERC1155Receiver, IForwarder {\n // Address to which any funds sent to this contract will be forwarded\n address public parentAddress;\n bool public autoFlush721 = true;\n bool public autoFlush1155 = true;\n\n event ForwarderDeposited(address from, uint256 value, bytes data);\n\n /**\n * Initialize the contract, and sets the destination address to that of the creator\n */\n function init(\n address _parentAddress,\n bool _autoFlush721,\n bool _autoFlush1155\n ) external onlyUninitialized {\n parentAddress = _parentAddress;\n uint256 value = address(this).balance;\n\n // set whether we want to automatically flush erc721/erc1155 tokens or not\n autoFlush721 = _autoFlush721;\n autoFlush1155 = _autoFlush1155;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n\n // NOTE: since we are forwarding on initialization,\n // we don't have the context of the original sender.\n // We still emit an event about the forwarding but set\n // the sender to the forwarder itself\n emit ForwarderDeposited(address(this), value, msg.data);\n }\n\n /**\n * Modifier that will execute internal code block only if the sender is the parent address\n */\n modifier onlyParent {\n require(msg.sender == parentAddress, 'Only Parent');\n _;\n }\n\n /**\n * Modifier that will execute internal code block only if the contract has not been initialized yet\n */\n modifier onlyUninitialized {\n require(parentAddress == address(0x0), 'Already initialized');\n _;\n }\n\n /**\n * Default function; Gets called when data is sent but does not match any other function\n */\n fallback() external payable {\n flush();\n }\n\n /**\n * Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address\n */\n receive() external payable {\n flush();\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush721(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush721 = autoFlush;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush1155(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush1155 = autoFlush;\n }\n\n /**\n * ERC721 standard callback function for when a ERC721 is transfered. The forwarder will send the nft\n * to the base wallet once the nft contract invokes this method after transfering the nft.\n *\n * @param _operator The address which called `safeTransferFrom` function\n * @param _from The address of the sender\n * @param _tokenId The token id of the nft\n * @param data Additional data with no specified format, sent in call to `_to`\n */\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes memory data\n ) external virtual override returns (bytes4) {\n if (autoFlush721) {\n IERC721 instance = IERC721(msg.sender);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The caller does not support the ERC721 interface'\n );\n // this won't work for ERC721 re-entrancy\n instance.safeTransferFrom(address(this), parentAddress, _tokenId, data);\n }\n\n return this.onERC721Received.selector;\n }\n\n function callFromParent(\n address target,\n uint256 value,\n bytes calldata data\n ) external onlyParent returns (bytes memory) {\n (bool success, bytes memory returnedData) = target.call{ value: value }(\n data\n );\n require(success, 'Parent call execution failed');\n\n return returnedData;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155Received(\n address _operator,\n address _from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeTransferFrom(address(this), parentAddress, id, value, data);\n }\n\n return this.onERC1155Received.selector;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155BatchReceived(\n address _operator,\n address _from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeBatchTransferFrom(\n address(this),\n parentAddress,\n ids,\n values,\n data\n );\n }\n\n return this.onERC1155BatchReceived.selector;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushTokens(address tokenContractAddress)\n external\n virtual\n override\n onlyParent\n {\n ERC20Interface instance = ERC20Interface(tokenContractAddress);\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress);\n if (forwarderBalance == 0) {\n return;\n }\n\n TransferHelper.safeTransfer(\n tokenContractAddress,\n parentAddress,\n forwarderBalance\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC721 instance = IERC721(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The tokenContractAddress does not support the ERC721 interface'\n );\n\n address ownerAddress = instance.ownerOf(tokenId);\n instance.transferFrom(ownerAddress, parentAddress, tokenId);\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress, tokenId);\n\n instance.safeTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenId,\n forwarderBalance,\n ''\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external virtual override onlyParent {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256[] memory amounts = new uint256[](tokenIds.length);\n for (uint256 i = 0; i < tokenIds.length; i++) {\n amounts[i] = instance.balanceOf(forwarderAddress, tokenIds[i]);\n }\n\n instance.safeBatchTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenIds,\n amounts,\n ''\n );\n }\n\n /**\n * Flush the entire balance of the contract to the parent address.\n */\n function flush() public {\n uint256 value = address(this).balance;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n emit ForwarderDeposited(msg.sender, value, msg.data);\n }\n\n /**\n * @inheritdoc IERC165\n */\n function supportsInterface(bytes4 interfaceId)\n public\n virtual\n override(ERC1155Receiver, IERC165)\n view\n returns (bool)\n {\n return\n interfaceId == type(IForwarder).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/IERC1155.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155 is IERC165 {\n /**\n * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n */\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /**\n * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n */\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /**\n * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n */\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /**\n * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n *\n * If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n */\n event URI(string value, uint256 indexed id);\n\n /**\n * @dev Returns the amount of tokens of token type `id` owned by `account`.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /**\n * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n *\n * Emits an {ApprovalForAll} event.\n *\n * Requirements:\n *\n * - `operator` cannot be the caller.\n */\n function setApprovalForAll(address operator, bool approved) external;\n\n /**\n * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n"
},
"@openzeppelin/contracts/token/ERC721/IERC721.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n}\n"
},
"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155Receiver.sol\";\nimport \"../../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\nabstract contract ERC1155Receiver is ERC165, IERC1155Receiver {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);\n }\n}\n"
},
"contracts/ERC20Interface.sol": {
"content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity 0.8.10;\n\n/**\n * Contract that exposes the needed erc20 token functions\n */\n\nabstract contract ERC20Interface {\n // Send _value amount of tokens to address _to\n function transfer(address _to, uint256 _value)\n public\n virtual\n returns (bool success);\n\n // Get the account balance of another account with address _owner\n function balanceOf(address _owner)\n public\n virtual\n view\n returns (uint256 balance);\n}\n"
},
"contracts/TransferHelper.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0-or-later\n// source: https://github.com/Uniswap/solidity-lib/blob/master/contracts/libraries/TransferHelper.sol\npragma solidity 0.8.10;\n\nimport '@openzeppelin/contracts/utils/Address.sol';\n\n// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false\nlibrary TransferHelper {\n function safeTransfer(\n address token,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transfer(address,uint256)')));\n (bool success, bytes memory data) = token.call(\n abi.encodeWithSelector(0xa9059cbb, to, value)\n );\n require(\n success && (data.length == 0 || abi.decode(data, (bool))),\n 'TransferHelper::safeTransfer: transfer failed'\n );\n }\n\n function safeTransferFrom(\n address token,\n address from,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));\n (bool success, bytes memory returndata) = token.call(\n abi.encodeWithSelector(0x23b872dd, from, to, value)\n );\n Address.verifyCallResult(\n success,\n returndata,\n 'TransferHelper::transferFrom: transferFrom failed'\n );\n }\n}\n"
},
"contracts/IForwarder.sol": {
"content": "pragma solidity ^0.8.0;\n\nimport '@openzeppelin/contracts/utils/introspection/IERC165.sol';\n\ninterface IForwarder is IERC165 {\n /**\n * Sets the autoflush721 parameter.\n *\n * @param autoFlush whether to autoflush erc721 tokens\n */\n function setAutoFlush721(bool autoFlush) external;\n\n /**\n * Sets the autoflush1155 parameter.\n *\n * @param autoFlush whether to autoflush erc1155 tokens\n */\n function setAutoFlush1155(bool autoFlush) external;\n\n /**\n * Execute a token transfer of the full balance from the forwarder token to the parent address\n *\n * @param tokenContractAddress the address of the erc20 token contract\n */\n function flushTokens(address tokenContractAddress) external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address\n *\n * @param tokenContractAddress the address of the ERC721 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a batch nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenIds The token ids of the nfts\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external;\n}\n"
},
"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\ninterface IERC1155Receiver is IERC165 {\n /**\n @dev Handles the receipt of a single ERC1155 token type. This function is\n called at the end of a `safeTransferFrom` after the balance has been updated.\n To accept the transfer, this must return\n `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n (i.e. 0xf23a6e61, or its own function selector).\n @param operator The address which initiated the transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param id The ID of the token being transferred\n @param value The amount of tokens being transferred\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n */\n function onERC1155Received(\n address operator,\n address from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external returns (bytes4);\n\n /**\n @dev Handles the receipt of a multiple ERC1155 token types. This function\n is called at the end of a `safeBatchTransferFrom` after the balances have\n been updated. To accept the transfer(s), this must return\n `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n (i.e. 0xbc197c81, or its own function selector).\n @param operator The address which initiated the batch transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param ids An array containing ids of each token being transferred (order and length must match values array)\n @param values An array containing amounts of each token being transferred (order and length must match ids array)\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n */\n function onERC1155BatchReceived(\n address operator,\n address from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external returns (bytes4);\n}\n"
},
"@openzeppelin/contracts/utils/introspection/ERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n"
},
"@openzeppelin/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize, which returns 0 for contracts in\n // construction, since the code is only stored at the end of the\n // constructor execution.\n\n uint256 size;\n assembly {\n size := extcodesize(account)\n }\n return size > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": false,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}
}}
|
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| |
1 | 19,498,495 |
090218ff4b7aabbb7f9cf15a14c1287ab1c529b437b74aa39c74c3b51ce70b34
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|
363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
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|
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|
a7fb5ca286fc3fd67525629048a4de3ba24cba2e
|
c77ad0a71008d7094a62cfbd250a2eb2afdf2776
|
516c99f081292d83e2f46771e191c1f1ec62a583
|
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| ||
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674a4df79a76b90a99a1b6f1e5634ac84a36b113db5f3167d192fd9f34ffa06d
|
b458c617faa99b736ff7f5b37bede1ecd34cb17b6dba3187be533af0dfc7519a
|
fa13608434177ec1b1e60dd54337f1a17d13f1d8
|
fa13608434177ec1b1e60dd54337f1a17d13f1d8
|
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|
pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
1 | 19,498,502 |
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|
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|
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|
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|
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|
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|
608060405273ffffffffffffffffffffffffffffffffffffffff600054167fa619486e0000000000000000000000000000000000000000000000000000000060003514156050578060005260206000f35b3660008037600080366000845af43d6000803e60008114156070573d6000fd5b3d6000f3fea2646970667358221220d1429297349653a4918076d650332de1a1068c5f3e07c5c82360c277770b955264736f6c63430007060033
|
// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity >=0.7.0 <0.9.0;
/// @title IProxy - Helper interface to access masterCopy of the Proxy on-chain
/// @author Richard Meissner - <richard@gnosis.io>
interface IProxy {
function masterCopy() external view returns (address);
}
/// @title GnosisSafeProxy - Generic proxy contract allows to execute all transactions applying the code of a master contract.
/// @author Stefan George - <stefan@gnosis.io>
/// @author Richard Meissner - <richard@gnosis.io>
contract GnosisSafeProxy {
// singleton always needs to be first declared variable, to ensure that it is at the same location in the contracts to which calls are delegated.
// To reduce deployment costs this variable is internal and needs to be retrieved via `getStorageAt`
address internal singleton;
/// @dev Constructor function sets address of singleton contract.
/// @param _singleton Singleton address.
constructor(address _singleton) {
require(_singleton != address(0), "Invalid singleton address provided");
singleton = _singleton;
}
/// @dev Fallback function forwards all transactions and returns all received return data.
fallback() external payable {
// solhint-disable-next-line no-inline-assembly
assembly {
let _singleton := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff)
// 0xa619486e == keccak("masterCopy()"). The value is right padded to 32-bytes with 0s
if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) {
mstore(0, _singleton)
return(0, 0x20)
}
calldatacopy(0, 0, calldatasize())
let success := delegatecall(gas(), _singleton, 0, calldatasize(), 0, 0)
returndatacopy(0, 0, returndatasize())
if eq(success, 0) {
revert(0, returndatasize())
}
return(0, returndatasize())
}
}
}
/// @title Proxy Factory - Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
/// @author Stefan George - <stefan@gnosis.pm>
contract GnosisSafeProxyFactory {
event ProxyCreation(GnosisSafeProxy proxy, address singleton);
/// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
/// @param singleton Address of singleton contract.
/// @param data Payload for message call sent to new proxy contract.
function createProxy(address singleton, bytes memory data) public returns (GnosisSafeProxy proxy) {
proxy = new GnosisSafeProxy(singleton);
if (data.length > 0)
// solhint-disable-next-line no-inline-assembly
assembly {
if eq(call(gas(), proxy, 0, add(data, 0x20), mload(data), 0, 0), 0) {
revert(0, 0)
}
}
emit ProxyCreation(proxy, singleton);
}
/// @dev Allows to retrieve the runtime code of a deployed Proxy. This can be used to check that the expected Proxy was deployed.
function proxyRuntimeCode() public pure returns (bytes memory) {
return type(GnosisSafeProxy).runtimeCode;
}
/// @dev Allows to retrieve the creation code used for the Proxy deployment. With this it is easily possible to calculate predicted address.
function proxyCreationCode() public pure returns (bytes memory) {
return type(GnosisSafeProxy).creationCode;
}
/// @dev Allows to create new proxy contact using CREATE2 but it doesn't run the initializer.
/// This method is only meant as an utility to be called from other methods
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
function deployProxyWithNonce(
address _singleton,
bytes memory initializer,
uint256 saltNonce
) internal returns (GnosisSafeProxy proxy) {
// If the initializer changes the proxy address should change too. Hashing the initializer data is cheaper than just concatinating it
bytes32 salt = keccak256(abi.encodePacked(keccak256(initializer), saltNonce));
bytes memory deploymentData = abi.encodePacked(type(GnosisSafeProxy).creationCode, uint256(uint160(_singleton)));
// solhint-disable-next-line no-inline-assembly
assembly {
proxy := create2(0x0, add(0x20, deploymentData), mload(deploymentData), salt)
}
require(address(proxy) != address(0), "Create2 call failed");
}
/// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction.
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
function createProxyWithNonce(
address _singleton,
bytes memory initializer,
uint256 saltNonce
) public returns (GnosisSafeProxy proxy) {
proxy = deployProxyWithNonce(_singleton, initializer, saltNonce);
if (initializer.length > 0)
// solhint-disable-next-line no-inline-assembly
assembly {
if eq(call(gas(), proxy, 0, add(initializer, 0x20), mload(initializer), 0, 0), 0) {
revert(0, 0)
}
}
emit ProxyCreation(proxy, _singleton);
}
/// @dev Allows to create new proxy contact, execute a message call to the new proxy and call a specified callback within one transaction
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
/// @param callback Callback that will be invoced after the new proxy contract has been successfully deployed and initialized.
function createProxyWithCallback(
address _singleton,
bytes memory initializer,
uint256 saltNonce,
IProxyCreationCallback callback
) public returns (GnosisSafeProxy proxy) {
uint256 saltNonceWithCallback = uint256(keccak256(abi.encodePacked(saltNonce, callback)));
proxy = createProxyWithNonce(_singleton, initializer, saltNonceWithCallback);
if (address(callback) != address(0)) callback.proxyCreated(proxy, _singleton, initializer, saltNonce);
}
/// @dev Allows to get the address for a new proxy contact created via `createProxyWithNonce`
/// This method is only meant for address calculation purpose when you use an initializer that would revert,
/// therefore the response is returned with a revert. When calling this method set `from` to the address of the proxy factory.
/// @param _singleton Address of singleton contract.
/// @param initializer Payload for message call sent to new proxy contract.
/// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract.
function calculateCreateProxyWithNonceAddress(
address _singleton,
bytes calldata initializer,
uint256 saltNonce
) external returns (GnosisSafeProxy proxy) {
proxy = deployProxyWithNonce(_singleton, initializer, saltNonce);
revert(string(abi.encodePacked(proxy)));
}
}
interface IProxyCreationCallback {
function proxyCreated(
GnosisSafeProxy proxy,
address _singleton,
bytes calldata initializer,
uint256 saltNonce
) external;
}
|
1 | 19,498,506 |
6c1757c89be9f6200d0f778586508d8d03acc92fdad0d75e2cb5a85d6aa34a82
|
758c268e8bbabac7aa67bbb1db49a6711500cabeeff1d26ae04bc79ecc7790ac
|
4154a0165b2eabe0e7a522d3e7a391e315291d2a
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
9ba796203a15f1a79e27d73572172012d9b9a450
|
3d602d80600a3d3981f3363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
1 | 19,498,506 |
6c1757c89be9f6200d0f778586508d8d03acc92fdad0d75e2cb5a85d6aa34a82
|
529d2ab2b9d29aa44fa5bb284d7fd9d3636b27703ff33b33dbfab3ce2a35096a
|
6ef3758f6e738fe7b6f303a650db3fa0642304c1
|
000000008924d42d98026c656545c3c1fb3ad31c
|
b7e6bfbb5ea37c89f77d44c83910dc4a366fd0ef
|
3d602d80600a3d3981f3363d3d373d3d3d363d73391a04311e0bfc913ef6fa784773307c826104f05af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d73391a04311e0bfc913ef6fa784773307c826104f05af43d82803e903d91602b57fd5bf3
|
{{
"language": "Solidity",
"sources": {
"lib/ERC721A/contracts/IERC721A.sol": {
"content": "// SPDX-License-Identifier: MIT\n// ERC721A Contracts v4.2.2\n// Creator: Chiru Labs\n\npragma solidity ^0.8.4;\n\n/**\n * @dev Interface of ERC721A.\n */\ninterface IERC721A {\n /**\n * The caller must own the token or be an approved operator.\n */\n error ApprovalCallerNotOwnerNorApproved();\n\n /**\n * The token does not exist.\n */\n error ApprovalQueryForNonexistentToken();\n\n /**\n * Cannot query the balance for the zero address.\n */\n error BalanceQueryForZeroAddress();\n\n /**\n * Cannot mint to the zero address.\n */\n error MintToZeroAddress();\n\n /**\n * The quantity of tokens minted must be more than zero.\n */\n error MintZeroQuantity();\n\n /**\n * The token does not exist.\n */\n error OwnerQueryForNonexistentToken();\n\n /**\n * The caller must own the token or be an approved operator.\n */\n error TransferCallerNotOwnerNorApproved();\n\n /**\n * The token must be owned by `from`.\n */\n error TransferFromIncorrectOwner();\n\n /**\n * Cannot safely transfer to a contract that does not implement the\n * ERC721Receiver interface.\n */\n error TransferToNonERC721ReceiverImplementer();\n\n /**\n * Cannot transfer to the zero address.\n */\n error TransferToZeroAddress();\n\n /**\n * The token does not exist.\n */\n error URIQueryForNonexistentToken();\n\n /**\n * The `quantity` minted with ERC2309 exceeds the safety limit.\n */\n error MintERC2309QuantityExceedsLimit();\n\n /**\n * The `extraData` cannot be set on an unintialized ownership slot.\n */\n error OwnershipNotInitializedForExtraData();\n\n // =============================================================\n // STRUCTS\n // =============================================================\n\n struct TokenOwnership {\n // The address of the owner.\n address addr;\n // Stores the start time of ownership with minimal overhead for tokenomics.\n uint64 startTimestamp;\n // Whether the token has been burned.\n bool burned;\n // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.\n uint24 extraData;\n }\n\n // =============================================================\n // TOKEN COUNTERS\n // =============================================================\n\n /**\n * @dev Returns the total number of tokens in existence.\n * Burned tokens will reduce the count.\n * To get the total number of tokens minted, please see {_totalMinted}.\n */\n function totalSupply() external view returns (uint256);\n\n // =============================================================\n // IERC165\n // =============================================================\n\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n\n // =============================================================\n // IERC721\n // =============================================================\n\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables\n * (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in `owner`'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`,\n * checking first that contract recipients are aware of the ERC721 protocol\n * to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move\n * this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement\n * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n\n /**\n * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom}\n * whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token\n * by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the\n * zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom}\n * for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n // =============================================================\n // IERC721Metadata\n // =============================================================\n\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n\n // =============================================================\n // IERC2309\n // =============================================================\n\n /**\n * @dev Emitted when tokens in `fromTokenId` to `toTokenId`\n * (inclusive) is transferred from `from` to `to`, as defined in the\n * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.\n *\n * See {_mintERC2309} for more details.\n */\n event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);\n}\n"
},
"lib/openzeppelin-contracts/contracts/interfaces/IERC2981.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n * _Available since v4.5._\n */\ninterface IERC2981 is IERC165 {\n /**\n * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.\n */\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n returns (address receiver, uint256 royaltyAmount);\n}\n"
},
"lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/AddressUpgradeable.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n */\n uint8 private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint8 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts.\n *\n * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a\n * constructor.\n *\n * Emits an {Initialized} event.\n */\n modifier initializer() {\n bool isTopLevelCall = !_initializing;\n require(\n (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),\n \"Initializable: contract is already initialized\"\n );\n _initialized = 1;\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * A reinitializer may be used after the original initialization step. This is essential to configure modules that\n * are added through upgrades and that require initialization.\n *\n * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n * cannot be nested. If one is invoked in the context of another, execution will revert.\n *\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n *\n * WARNING: setting the version to 255 will prevent any future reinitialization.\n *\n * Emits an {Initialized} event.\n */\n modifier reinitializer(uint8 version) {\n require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n _initialized = version;\n _initializing = true;\n _;\n _initializing = false;\n emit Initialized(version);\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n */\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n /**\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n *\n * Emits an {Initialized} event the first time it is successfully executed.\n */\n function _disableInitializers() internal virtual {\n require(!_initializing, \"Initializable: contract is initializing\");\n if (_initialized != type(uint8).max) {\n _initialized = type(uint8).max;\n emit Initialized(type(uint8).max);\n }\n }\n\n /**\n * @dev Internal function that returns the initialized version. Returns `_initialized`\n */\n function _getInitializedVersion() internal view returns (uint8) {\n return _initialized;\n }\n\n /**\n * @dev Internal function that returns the initialized version. Returns `_initializing`\n */\n function _isInitializing() internal view returns (bool) {\n return _initializing;\n }\n}\n"
},
"lib/openzeppelin-contracts-upgradeable/contracts/security/ReentrancyGuardUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n */\nabstract contract ReentrancyGuardUpgradeable is Initializable {\n // Booleans are more expensive than uint256 or any type that takes up a full\n // word because each write operation emits an extra SLOAD to first read the\n // slot's contents, replace the bits taken up by the boolean, and then write\n // back. This is the compiler's defense against contract upgrades and\n // pointer aliasing, and it cannot be disabled.\n\n // The values being non-zero value makes deployment a bit more expensive,\n // but in exchange the refund on every call to nonReentrant will be lower in\n // amount. Since refunds are capped to a percentage of the total\n // transaction's gas, it is best to keep them low in cases like this one, to\n // increase the likelihood of the full refund coming into effect.\n uint256 private constant _NOT_ENTERED = 1;\n uint256 private constant _ENTERED = 2;\n\n uint256 private _status;\n\n function __ReentrancyGuard_init() internal onlyInitializing {\n __ReentrancyGuard_init_unchained();\n }\n\n function __ReentrancyGuard_init_unchained() internal onlyInitializing {\n _status = _NOT_ENTERED;\n }\n\n /**\n * @dev Prevents a contract from calling itself, directly or indirectly.\n * Calling a `nonReentrant` function from another `nonReentrant`\n * function is not supported. It is possible to prevent this from happening\n * by making the `nonReentrant` function external, and making it call a\n * `private` function that does the actual work.\n */\n modifier nonReentrant() {\n _nonReentrantBefore();\n _;\n _nonReentrantAfter();\n }\n\n function _nonReentrantBefore() private {\n // On the first call to nonReentrant, _status will be _NOT_ENTERED\n require(_status != _ENTERED, \"ReentrancyGuard: reentrant call\");\n\n // Any calls to nonReentrant after this point will fail\n _status = _ENTERED;\n }\n\n function _nonReentrantAfter() private {\n // By storing the original value once again, a refund is triggered (see\n // https://eips.ethereum.org/EIPS/eip-2200)\n _status = _NOT_ENTERED;\n }\n\n /**\n * @dev Returns true if the reentrancy guard is currently set to \"entered\", which indicates there is a\n * `nonReentrant` function in the call stack.\n */\n function _reentrancyGuardEntered() internal view returns (bool) {\n return _status == _ENTERED;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[49] private __gap;\n}\n"
},
"lib/openzeppelin-contracts-upgradeable/contracts/utils/AddressUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n *\n * _Available since v4.8._\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n if (success) {\n if (returndata.length == 0) {\n // only check isContract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n require(isContract(target), \"Address: call to non-contract\");\n }\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason or using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n function _revert(bytes memory returndata, string memory errorMessage) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n}\n"
},
"lib/operator-filter-registry/src/IOperatorFilterRegistry.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\ninterface IOperatorFilterRegistry {\n /**\n * @notice Returns true if operator is not filtered for a given token, either by address or codeHash. Also returns\n * true if supplied registrant address is not registered.\n */\n function isOperatorAllowed(address registrant, address operator) external view returns (bool);\n\n /**\n * @notice Registers an address with the registry. May be called by address itself or by EIP-173 owner.\n */\n function register(address registrant) external;\n\n /**\n * @notice Registers an address with the registry and \"subscribes\" to another address's filtered operators and codeHashes.\n */\n function registerAndSubscribe(address registrant, address subscription) external;\n\n /**\n * @notice Registers an address with the registry and copies the filtered operators and codeHashes from another\n * address without subscribing.\n */\n function registerAndCopyEntries(address registrant, address registrantToCopy) external;\n\n /**\n * @notice Unregisters an address with the registry and removes its subscription. May be called by address itself or by EIP-173 owner.\n * Note that this does not remove any filtered addresses or codeHashes.\n * Also note that any subscriptions to this registrant will still be active and follow the existing filtered addresses and codehashes.\n */\n function unregister(address addr) external;\n\n /**\n * @notice Update an operator address for a registered address - when filtered is true, the operator is filtered.\n */\n function updateOperator(address registrant, address operator, bool filtered) external;\n\n /**\n * @notice Update multiple operators for a registered address - when filtered is true, the operators will be filtered. Reverts on duplicates.\n */\n function updateOperators(address registrant, address[] calldata operators, bool filtered) external;\n\n /**\n * @notice Update a codeHash for a registered address - when filtered is true, the codeHash is filtered.\n */\n function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;\n\n /**\n * @notice Update multiple codeHashes for a registered address - when filtered is true, the codeHashes will be filtered. Reverts on duplicates.\n */\n function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;\n\n /**\n * @notice Subscribe an address to another registrant's filtered operators and codeHashes. Will remove previous\n * subscription if present.\n * Note that accounts with subscriptions may go on to subscribe to other accounts - in this case,\n * subscriptions will not be forwarded. Instead the former subscription's existing entries will still be\n * used.\n */\n function subscribe(address registrant, address registrantToSubscribe) external;\n\n /**\n * @notice Unsubscribe an address from its current subscribed registrant, and optionally copy its filtered operators and codeHashes.\n */\n function unsubscribe(address registrant, bool copyExistingEntries) external;\n\n /**\n * @notice Get the subscription address of a given registrant, if any.\n */\n function subscriptionOf(address addr) external returns (address registrant);\n\n /**\n * @notice Get the set of addresses subscribed to a given registrant.\n * Note that order is not guaranteed as updates are made.\n */\n function subscribers(address registrant) external returns (address[] memory);\n\n /**\n * @notice Get the subscriber at a given index in the set of addresses subscribed to a given registrant.\n * Note that order is not guaranteed as updates are made.\n */\n function subscriberAt(address registrant, uint256 index) external returns (address);\n\n /**\n * @notice Copy filtered operators and codeHashes from a different registrantToCopy to addr.\n */\n function copyEntriesOf(address registrant, address registrantToCopy) external;\n\n /**\n * @notice Returns true if operator is filtered by a given address or its subscription.\n */\n function isOperatorFiltered(address registrant, address operator) external returns (bool);\n\n /**\n * @notice Returns true if the hash of an address's code is filtered by a given address or its subscription.\n */\n function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);\n\n /**\n * @notice Returns true if a codeHash is filtered by a given address or its subscription.\n */\n function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);\n\n /**\n * @notice Returns a list of filtered operators for a given address or its subscription.\n */\n function filteredOperators(address addr) external returns (address[] memory);\n\n /**\n * @notice Returns the set of filtered codeHashes for a given address or its subscription.\n * Note that order is not guaranteed as updates are made.\n */\n function filteredCodeHashes(address addr) external returns (bytes32[] memory);\n\n /**\n * @notice Returns the filtered operator at the given index of the set of filtered operators for a given address or\n * its subscription.\n * Note that order is not guaranteed as updates are made.\n */\n function filteredOperatorAt(address registrant, uint256 index) external returns (address);\n\n /**\n * @notice Returns the filtered codeHash at the given index of the list of filtered codeHashes for a given address or\n * its subscription.\n * Note that order is not guaranteed as updates are made.\n */\n function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);\n\n /**\n * @notice Returns true if an address has registered\n */\n function isRegistered(address addr) external returns (bool);\n\n /**\n * @dev Convenience method to compute the code hash of an arbitrary contract\n */\n function codeHashOf(address addr) external returns (bytes32);\n}\n"
},
"lib/operator-filter-registry/src/lib/Constants.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.17;\n\naddress constant CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS = 0x000000000000AAeB6D7670E522A718067333cd4E;\naddress constant CANONICAL_CORI_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;\n"
},
"lib/operator-filter-registry/src/upgradeable/DefaultOperatorFiltererUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {OperatorFiltererUpgradeable} from \"./OperatorFiltererUpgradeable.sol\";\nimport {CANONICAL_CORI_SUBSCRIPTION} from \"../lib/Constants.sol\";\n\n/**\n * @title DefaultOperatorFiltererUpgradeable\n * @notice Inherits from OperatorFiltererUpgradeable and automatically subscribes to the default OpenSea subscription\n * when the init function is called.\n */\nabstract contract DefaultOperatorFiltererUpgradeable is OperatorFiltererUpgradeable {\n /// @dev The upgradeable initialize function that should be called when the contract is being deployed.\n function __DefaultOperatorFilterer_init() internal onlyInitializing {\n OperatorFiltererUpgradeable.__OperatorFilterer_init(CANONICAL_CORI_SUBSCRIPTION, true);\n }\n}\n"
},
"lib/operator-filter-registry/src/upgradeable/OperatorFiltererUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {IOperatorFilterRegistry} from \"../IOperatorFilterRegistry.sol\";\nimport {Initializable} from \"../../../../lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol\";\n\n/**\n * @title OperatorFiltererUpgradeable\n * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another\n * registrant's entries in the OperatorFilterRegistry when the init function is called.\n * @dev This smart contract is meant to be inherited by token contracts so they can use the following:\n * - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.\n * - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.\n */\nabstract contract OperatorFiltererUpgradeable is Initializable {\n /// @notice Emitted when an operator is not allowed.\n error OperatorNotAllowed(address operator);\n\n IOperatorFilterRegistry constant OPERATOR_FILTER_REGISTRY =\n IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);\n\n /// @dev The upgradeable initialize function that should be called when the contract is being upgraded.\n function __OperatorFilterer_init(address subscriptionOrRegistrantToCopy, bool subscribe)\n internal\n onlyInitializing\n {\n // If an inheriting token contract is deployed to a network without the registry deployed, the modifier\n // will not revert, but the contract will need to be registered with the registry once it is deployed in\n // order for the modifier to filter addresses.\n if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n if (!OPERATOR_FILTER_REGISTRY.isRegistered(address(this))) {\n if (subscribe) {\n OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);\n } else {\n if (subscriptionOrRegistrantToCopy != address(0)) {\n OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);\n } else {\n OPERATOR_FILTER_REGISTRY.register(address(this));\n }\n }\n }\n }\n }\n\n /**\n * @dev A helper modifier to check if the operator is allowed.\n */\n modifier onlyAllowedOperator(address from) virtual {\n // Allow spending tokens from addresses with balance\n // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred\n // from an EOA.\n if (from != msg.sender) {\n _checkFilterOperator(msg.sender);\n }\n _;\n }\n\n /**\n * @dev A helper modifier to check if the operator approval is allowed.\n */\n modifier onlyAllowedOperatorApproval(address operator) virtual {\n _checkFilterOperator(operator);\n _;\n }\n\n /**\n * @dev A helper function to check if the operator is allowed.\n */\n function _checkFilterOperator(address operator) internal view virtual {\n // Check registry code length to facilitate testing in environments without a deployed registry.\n if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n // under normal circumstances, this function will revert rather than return false, but inheriting or\n // upgraded contracts may specify their own OperatorFilterRegistry implementations, which may behave\n // differently\n if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {\n revert OperatorNotAllowed(operator);\n }\n }\n }\n}\n"
},
"lib/utility-contracts/src/ConstructorInitializable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.4;\n\n/**\n * @author emo.eth\n * @notice Abstract smart contract that provides an onlyUninitialized modifier which only allows calling when\n * from within a constructor of some sort, whether directly instantiating an inherting contract,\n * or when delegatecalling from a proxy\n */\nabstract contract ConstructorInitializable {\n error AlreadyInitialized();\n\n modifier onlyConstructor() {\n if (address(this).code.length != 0) {\n revert AlreadyInitialized();\n }\n _;\n }\n}\n"
},
"lib/utility-contracts/src/TwoStepOwnable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.4;\n\nimport {ConstructorInitializable} from \"./ConstructorInitializable.sol\";\n\n/**\n@notice A two-step extension of Ownable, where the new owner must claim ownership of the contract after owner initiates transfer\nOwner can cancel the transfer at any point before the new owner claims ownership.\nHelpful in guarding against transferring ownership to an address that is unable to act as the Owner.\n*/\nabstract contract TwoStepOwnable is ConstructorInitializable {\n address private _owner;\n\n event OwnershipTransferred(\n address indexed previousOwner,\n address indexed newOwner\n );\n\n address internal potentialOwner;\n\n event PotentialOwnerUpdated(address newPotentialAdministrator);\n\n error NewOwnerIsZeroAddress();\n error NotNextOwner();\n error OnlyOwner();\n\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n constructor() {\n _initialize();\n }\n\n function _initialize() private onlyConstructor {\n _transferOwnership(msg.sender);\n }\n\n ///@notice Initiate ownership transfer to newPotentialOwner. Note: new owner will have to manually acceptOwnership\n ///@param newPotentialOwner address of potential new owner\n function transferOwnership(address newPotentialOwner)\n public\n virtual\n onlyOwner\n {\n if (newPotentialOwner == address(0)) {\n revert NewOwnerIsZeroAddress();\n }\n potentialOwner = newPotentialOwner;\n emit PotentialOwnerUpdated(newPotentialOwner);\n }\n\n ///@notice Claim ownership of smart contract, after the current owner has initiated the process with transferOwnership\n function acceptOwnership() public virtual {\n address _potentialOwner = potentialOwner;\n if (msg.sender != _potentialOwner) {\n revert NotNextOwner();\n }\n delete potentialOwner;\n emit PotentialOwnerUpdated(address(0));\n _transferOwnership(_potentialOwner);\n }\n\n ///@notice cancel ownership transfer\n function cancelOwnershipTransfer() public virtual onlyOwner {\n delete potentialOwner;\n emit PotentialOwnerUpdated(address(0));\n }\n\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n if (_owner != msg.sender) {\n revert OnlyOwner();\n }\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n"
},
"src/clones/ERC721ACloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// ERC721A Contracts v4.2.2\n// Creator: Chiru Labs\n\npragma solidity ^0.8.4;\n\nimport { IERC721A } from \"ERC721A/IERC721A.sol\";\n\nimport {\n Initializable\n} from \"openzeppelin-contracts-upgradeable/proxy/utils/Initializable.sol\";\n\n/**\n * @dev Interface of ERC721 token receiver.\n */\ninterface ERC721A__IERC721Receiver {\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n\n/**\n * @title ERC721A\n *\n * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)\n * Non-Fungible Token Standard, including the Metadata extension.\n * Optimized for lower gas during batch mints.\n *\n * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)\n * starting from `_startTokenId()`.\n *\n * Assumptions:\n *\n * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.\n * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).\n */\ncontract ERC721ACloneable is IERC721A, Initializable {\n // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).\n struct TokenApprovalRef {\n address value;\n }\n\n // =============================================================\n // CONSTANTS\n // =============================================================\n\n // Mask of an entry in packed address data.\n uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;\n\n // The bit position of `numberMinted` in packed address data.\n uint256 private constant _BITPOS_NUMBER_MINTED = 64;\n\n // The bit position of `numberBurned` in packed address data.\n uint256 private constant _BITPOS_NUMBER_BURNED = 128;\n\n // The bit position of `aux` in packed address data.\n uint256 private constant _BITPOS_AUX = 192;\n\n // Mask of all 256 bits in packed address data except the 64 bits for `aux`.\n uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;\n\n // The bit position of `startTimestamp` in packed ownership.\n uint256 private constant _BITPOS_START_TIMESTAMP = 160;\n\n // The bit mask of the `burned` bit in packed ownership.\n uint256 private constant _BITMASK_BURNED = 1 << 224;\n\n // The bit position of the `nextInitialized` bit in packed ownership.\n uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;\n\n // The bit mask of the `nextInitialized` bit in packed ownership.\n uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;\n\n // The bit position of `extraData` in packed ownership.\n uint256 private constant _BITPOS_EXTRA_DATA = 232;\n\n // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.\n uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;\n\n // The mask of the lower 160 bits for addresses.\n uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;\n\n // The maximum `quantity` that can be minted with {_mintERC2309}.\n // This limit is to prevent overflows on the address data entries.\n // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}\n // is required to cause an overflow, which is unrealistic.\n uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;\n\n // The `Transfer` event signature is given by:\n // `keccak256(bytes(\"Transfer(address,address,uint256)\"))`.\n bytes32 private constant _TRANSFER_EVENT_SIGNATURE =\n 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;\n\n // =============================================================\n // STORAGE\n // =============================================================\n\n // The next token ID to be minted.\n uint256 private _currentIndex;\n\n // The number of tokens burned.\n uint256 private _burnCounter;\n\n // Token name\n string private _name;\n\n // Token symbol\n string private _symbol;\n\n // Mapping from token ID to ownership details\n // An empty struct value does not necessarily mean the token is unowned.\n // See {_packedOwnershipOf} implementation for details.\n //\n // Bits Layout:\n // - [0..159] `addr`\n // - [160..223] `startTimestamp`\n // - [224] `burned`\n // - [225] `nextInitialized`\n // - [232..255] `extraData`\n mapping(uint256 => uint256) private _packedOwnerships;\n\n // Mapping owner address to address data.\n //\n // Bits Layout:\n // - [0..63] `balance`\n // - [64..127] `numberMinted`\n // - [128..191] `numberBurned`\n // - [192..255] `aux`\n mapping(address => uint256) private _packedAddressData;\n\n // Mapping from token ID to approved address.\n mapping(uint256 => TokenApprovalRef) private _tokenApprovals;\n\n // Mapping from owner to operator approvals\n mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n // =============================================================\n // CONSTRUCTOR\n // =============================================================\n\n function __ERC721ACloneable__init(\n string memory name_,\n string memory symbol_\n ) internal onlyInitializing {\n _name = name_;\n _symbol = symbol_;\n _currentIndex = _startTokenId();\n }\n\n // =============================================================\n // TOKEN COUNTING OPERATIONS\n // =============================================================\n\n /**\n * @dev Returns the starting token ID.\n * To change the starting token ID, please override this function.\n */\n function _startTokenId() internal view virtual returns (uint256) {\n return 0;\n }\n\n /**\n * @dev Returns the next token ID to be minted.\n */\n function _nextTokenId() internal view virtual returns (uint256) {\n return _currentIndex;\n }\n\n /**\n * @dev Returns the total number of tokens in existence.\n * Burned tokens will reduce the count.\n * To get the total number of tokens minted, please see {_totalMinted}.\n */\n function totalSupply() public view virtual override returns (uint256) {\n // Counter underflow is impossible as _burnCounter cannot be incremented\n // more than `_currentIndex - _startTokenId()` times.\n unchecked {\n return _currentIndex - _burnCounter - _startTokenId();\n }\n }\n\n /**\n * @dev Returns the total amount of tokens minted in the contract.\n */\n function _totalMinted() internal view virtual returns (uint256) {\n // Counter underflow is impossible as `_currentIndex` does not decrement,\n // and it is initialized to `_startTokenId()`.\n unchecked {\n return _currentIndex - _startTokenId();\n }\n }\n\n /**\n * @dev Returns the total number of tokens burned.\n */\n function _totalBurned() internal view virtual returns (uint256) {\n return _burnCounter;\n }\n\n // =============================================================\n // ADDRESS DATA OPERATIONS\n // =============================================================\n\n /**\n * @dev Returns the number of tokens in `owner`'s account.\n */\n function balanceOf(address owner)\n public\n view\n virtual\n override\n returns (uint256)\n {\n if (owner == address(0)) revert BalanceQueryForZeroAddress();\n return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;\n }\n\n /**\n * Returns the number of tokens minted by `owner`.\n */\n function _numberMinted(address owner) internal view returns (uint256) {\n return\n (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) &\n _BITMASK_ADDRESS_DATA_ENTRY;\n }\n\n /**\n * Returns the number of tokens burned by or on behalf of `owner`.\n */\n function _numberBurned(address owner) internal view returns (uint256) {\n return\n (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) &\n _BITMASK_ADDRESS_DATA_ENTRY;\n }\n\n /**\n * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).\n */\n function _getAux(address owner) internal view returns (uint64) {\n return uint64(_packedAddressData[owner] >> _BITPOS_AUX);\n }\n\n /**\n * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).\n * If there are multiple variables, please pack them into a uint64.\n */\n function _setAux(address owner, uint64 aux) internal virtual {\n uint256 packed = _packedAddressData[owner];\n uint256 auxCasted;\n // Cast `aux` with assembly to avoid redundant masking.\n assembly {\n auxCasted := aux\n }\n packed =\n (packed & _BITMASK_AUX_COMPLEMENT) |\n (auxCasted << _BITPOS_AUX);\n _packedAddressData[owner] = packed;\n }\n\n // =============================================================\n // IERC165\n // =============================================================\n\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30000 gas.\n */\n function supportsInterface(bytes4 interfaceId)\n public\n view\n virtual\n override\n returns (bool)\n {\n // The interface IDs are constants representing the first 4 bytes\n // of the XOR of all function selectors in the interface.\n // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)\n // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)\n return\n interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.\n interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.\n interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.\n }\n\n // =============================================================\n // IERC721Metadata\n // =============================================================\n\n /**\n * @dev Returns the token collection name.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId)\n public\n view\n virtual\n override\n returns (string memory)\n {\n if (!_exists(tokenId)) revert URIQueryForNonexistentToken();\n\n string memory baseURI = _baseURI();\n return\n bytes(baseURI).length != 0\n ? string(abi.encodePacked(baseURI, _toString(tokenId)))\n : \"\";\n }\n\n /**\n * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n * by default, it can be overridden in child contracts.\n */\n function _baseURI() internal view virtual returns (string memory) {\n return \"\";\n }\n\n // =============================================================\n // OWNERSHIPS OPERATIONS\n // =============================================================\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId)\n public\n view\n virtual\n override\n returns (address)\n {\n return address(uint160(_packedOwnershipOf(tokenId)));\n }\n\n /**\n * @dev Gas spent here starts off proportional to the maximum mint batch size.\n * It gradually moves to O(1) as tokens get transferred around over time.\n */\n function _ownershipOf(uint256 tokenId)\n internal\n view\n virtual\n returns (TokenOwnership memory)\n {\n return _unpackedOwnership(_packedOwnershipOf(tokenId));\n }\n\n /**\n * @dev Returns the unpacked `TokenOwnership` struct at `index`.\n */\n function _ownershipAt(uint256 index)\n internal\n view\n virtual\n returns (TokenOwnership memory)\n {\n return _unpackedOwnership(_packedOwnerships[index]);\n }\n\n /**\n * @dev Initializes the ownership slot minted at `index` for efficiency purposes.\n */\n function _initializeOwnershipAt(uint256 index) internal virtual {\n if (_packedOwnerships[index] == 0) {\n _packedOwnerships[index] = _packedOwnershipOf(index);\n }\n }\n\n /**\n * Returns the packed ownership data of `tokenId`.\n */\n function _packedOwnershipOf(uint256 tokenId)\n private\n view\n returns (uint256)\n {\n uint256 curr = tokenId;\n\n unchecked {\n if (_startTokenId() <= curr) {\n if (curr < _currentIndex) {\n uint256 packed = _packedOwnerships[curr];\n // If not burned.\n if (packed & _BITMASK_BURNED == 0) {\n // Invariant:\n // There will always be an initialized ownership slot\n // (i.e. `ownership.addr != address(0) && ownership.burned == false`)\n // before an unintialized ownership slot\n // (i.e. `ownership.addr == address(0) && ownership.burned == false`)\n // Hence, `curr` will not underflow.\n //\n // We can directly compare the packed value.\n // If the address is zero, packed will be zero.\n while (packed == 0) {\n packed = _packedOwnerships[--curr];\n }\n return packed;\n }\n }\n }\n }\n revert OwnerQueryForNonexistentToken();\n }\n\n /**\n * @dev Returns the unpacked `TokenOwnership` struct from `packed`.\n */\n function _unpackedOwnership(uint256 packed)\n private\n pure\n returns (TokenOwnership memory ownership)\n {\n ownership.addr = address(uint160(packed));\n ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);\n ownership.burned = packed & _BITMASK_BURNED != 0;\n ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);\n }\n\n /**\n * @dev Packs ownership data into a single uint256.\n */\n function _packOwnershipData(address owner, uint256 flags)\n private\n view\n returns (uint256 result)\n {\n assembly {\n // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.\n owner := and(owner, _BITMASK_ADDRESS)\n // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.\n result := or(\n owner,\n or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags)\n )\n }\n }\n\n /**\n * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.\n */\n function _nextInitializedFlag(uint256 quantity)\n private\n pure\n returns (uint256 result)\n {\n // For branchless setting of the `nextInitialized` flag.\n assembly {\n // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.\n result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))\n }\n }\n\n // =============================================================\n // APPROVAL OPERATIONS\n // =============================================================\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the\n * zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) public virtual override {\n address owner = ownerOf(tokenId);\n\n if (_msgSenderERC721A() != owner) {\n if (!isApprovedForAll(owner, _msgSenderERC721A())) {\n revert ApprovalCallerNotOwnerNorApproved();\n }\n }\n\n _tokenApprovals[tokenId].value = to;\n emit Approval(owner, to, tokenId);\n }\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId)\n public\n view\n virtual\n override\n returns (address)\n {\n if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();\n\n return _tokenApprovals[tokenId].value;\n }\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom}\n * for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool approved)\n public\n virtual\n override\n {\n _operatorApprovals[_msgSenderERC721A()][operator] = approved;\n emit ApprovalForAll(_msgSenderERC721A(), operator, approved);\n }\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address owner, address operator)\n public\n view\n virtual\n override\n returns (bool)\n {\n return _operatorApprovals[owner][operator];\n }\n\n /**\n * @dev Returns whether `tokenId` exists.\n *\n * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n *\n * Tokens start existing when they are minted. See {_mint}.\n */\n function _exists(uint256 tokenId) internal view virtual returns (bool) {\n return\n _startTokenId() <= tokenId &&\n tokenId < _currentIndex && // If within bounds,\n _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.\n }\n\n /**\n * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.\n */\n function _isSenderApprovedOrOwner(\n address approvedAddress,\n address owner,\n address msgSender\n ) private pure returns (bool result) {\n assembly {\n // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.\n owner := and(owner, _BITMASK_ADDRESS)\n // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.\n msgSender := and(msgSender, _BITMASK_ADDRESS)\n // `msgSender == owner || msgSender == approvedAddress`.\n result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))\n }\n }\n\n /**\n * @dev Returns the storage slot and value for the approved address of `tokenId`.\n */\n function _getApprovedSlotAndAddress(uint256 tokenId)\n private\n view\n returns (uint256 approvedAddressSlot, address approvedAddress)\n {\n TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];\n // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.\n assembly {\n approvedAddressSlot := tokenApproval.slot\n approvedAddress := sload(approvedAddressSlot)\n }\n }\n\n // =============================================================\n // TRANSFER OPERATIONS\n // =============================================================\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token\n * by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);\n\n if (address(uint160(prevOwnershipPacked)) != from)\n revert TransferFromIncorrectOwner();\n\n (\n uint256 approvedAddressSlot,\n address approvedAddress\n ) = _getApprovedSlotAndAddress(tokenId);\n\n // The nested ifs save around 20+ gas over a compound boolean condition.\n if (\n !_isSenderApprovedOrOwner(\n approvedAddress,\n from,\n _msgSenderERC721A()\n )\n ) {\n if (!isApprovedForAll(from, _msgSenderERC721A()))\n revert TransferCallerNotOwnerNorApproved();\n }\n\n if (to == address(0)) revert TransferToZeroAddress();\n\n _beforeTokenTransfers(from, to, tokenId, 1);\n\n // Clear approvals from the previous owner.\n assembly {\n if approvedAddress {\n // This is equivalent to `delete _tokenApprovals[tokenId]`.\n sstore(approvedAddressSlot, 0)\n }\n }\n\n // Underflow of the sender's balance is impossible because we check for\n // ownership above and the recipient's balance can't realistically overflow.\n // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.\n unchecked {\n // We can directly increment and decrement the balances.\n --_packedAddressData[from]; // Updates: `balance -= 1`.\n ++_packedAddressData[to]; // Updates: `balance += 1`.\n\n // Updates:\n // - `address` to the next owner.\n // - `startTimestamp` to the timestamp of transfering.\n // - `burned` to `false`.\n // - `nextInitialized` to `true`.\n _packedOwnerships[tokenId] = _packOwnershipData(\n to,\n _BITMASK_NEXT_INITIALIZED |\n _nextExtraData(from, to, prevOwnershipPacked)\n );\n\n // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .\n if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {\n uint256 nextTokenId = tokenId + 1;\n // If the next slot's address is zero and not burned (i.e. packed value is zero).\n if (_packedOwnerships[nextTokenId] == 0) {\n // If the next slot is within bounds.\n if (nextTokenId != _currentIndex) {\n // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.\n _packedOwnerships[nextTokenId] = prevOwnershipPacked;\n }\n }\n }\n }\n\n emit Transfer(from, to, tokenId);\n _afterTokenTransfers(from, to, tokenId, 1);\n }\n\n /**\n * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token\n * by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement\n * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) public virtual override {\n transferFrom(from, to, tokenId);\n if (to.code.length != 0) {\n if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {\n revert TransferToNonERC721ReceiverImplementer();\n }\n }\n }\n\n /**\n * @dev Hook that is called before a set of serially-ordered token IDs\n * are about to be transferred. This includes minting.\n * And also called before burning one token.\n *\n * `startTokenId` - the first token ID to be transferred.\n * `quantity` - the amount to be transferred.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be\n * transferred to `to`.\n * - When `from` is zero, `tokenId` will be minted for `to`.\n * - When `to` is zero, `tokenId` will be burned by `from`.\n * - `from` and `to` are never both zero.\n */\n function _beforeTokenTransfers(\n address from,\n address to,\n uint256 startTokenId,\n uint256 quantity\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after a set of serially-ordered token IDs\n * have been transferred. This includes minting.\n * And also called after one token has been burned.\n *\n * `startTokenId` - the first token ID to be transferred.\n * `quantity` - the amount to be transferred.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been\n * transferred to `to`.\n * - When `from` is zero, `tokenId` has been minted for `to`.\n * - When `to` is zero, `tokenId` has been burned by `from`.\n * - `from` and `to` are never both zero.\n */\n function _afterTokenTransfers(\n address from,\n address to,\n uint256 startTokenId,\n uint256 quantity\n ) internal virtual {}\n\n /**\n * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.\n *\n * `from` - Previous owner of the given token ID.\n * `to` - Target address that will receive the token.\n * `tokenId` - Token ID to be transferred.\n * `_data` - Optional data to send along with the call.\n *\n * Returns whether the call correctly returned the expected magic value.\n */\n function _checkContractOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) private returns (bool) {\n try\n ERC721A__IERC721Receiver(to).onERC721Received(\n _msgSenderERC721A(),\n from,\n tokenId,\n _data\n )\n returns (bytes4 retval) {\n return\n retval ==\n ERC721A__IERC721Receiver(to).onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert TransferToNonERC721ReceiverImplementer();\n } else {\n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n }\n\n // =============================================================\n // MINT OPERATIONS\n // =============================================================\n\n /**\n * @dev Mints `quantity` tokens and transfers them to `to`.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `quantity` must be greater than 0.\n *\n * Emits a {Transfer} event for each mint.\n */\n function _mint(address to, uint256 quantity) internal virtual {\n uint256 startTokenId = _currentIndex;\n if (quantity == 0) revert MintZeroQuantity();\n\n _beforeTokenTransfers(address(0), to, startTokenId, quantity);\n\n // Overflows are incredibly unrealistic.\n // `balance` and `numberMinted` have a maximum limit of 2**64.\n // `tokenId` has a maximum limit of 2**256.\n unchecked {\n // Updates:\n // - `balance += quantity`.\n // - `numberMinted += quantity`.\n //\n // We can directly add to the `balance` and `numberMinted`.\n _packedAddressData[to] +=\n quantity *\n ((1 << _BITPOS_NUMBER_MINTED) | 1);\n\n // Updates:\n // - `address` to the owner.\n // - `startTimestamp` to the timestamp of minting.\n // - `burned` to `false`.\n // - `nextInitialized` to `quantity == 1`.\n _packedOwnerships[startTokenId] = _packOwnershipData(\n to,\n _nextInitializedFlag(quantity) |\n _nextExtraData(address(0), to, 0)\n );\n\n uint256 toMasked;\n uint256 end = startTokenId + quantity;\n\n // Use assembly to loop and emit the `Transfer` event for gas savings.\n // The duplicated `log4` removes an extra check and reduces stack juggling.\n // The assembly, together with the surrounding Solidity code, have been\n // delicately arranged to nudge the compiler into producing optimized opcodes.\n assembly {\n // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.\n toMasked := and(to, _BITMASK_ADDRESS)\n // Emit the `Transfer` event.\n log4(\n 0, // Start of data (0, since no data).\n 0, // End of data (0, since no data).\n _TRANSFER_EVENT_SIGNATURE, // Signature.\n 0, // `address(0)`.\n toMasked, // `to`.\n startTokenId // `tokenId`.\n )\n\n // The `iszero(eq(,))` check ensures that large values of `quantity`\n // that overflows uint256 will make the loop run out of gas.\n // The compiler will optimize the `iszero` away for performance.\n for {\n let tokenId := add(startTokenId, 1)\n } iszero(eq(tokenId, end)) {\n tokenId := add(tokenId, 1)\n } {\n // Emit the `Transfer` event. Similar to above.\n log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)\n }\n }\n if (toMasked == 0) revert MintToZeroAddress();\n\n _currentIndex = end;\n }\n _afterTokenTransfers(address(0), to, startTokenId, quantity);\n }\n\n /**\n * @dev Mints `quantity` tokens and transfers them to `to`.\n *\n * This function is intended for efficient minting only during contract creation.\n *\n * It emits only one {ConsecutiveTransfer} as defined in\n * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),\n * instead of a sequence of {Transfer} event(s).\n *\n * Calling this function outside of contract creation WILL make your contract\n * non-compliant with the ERC721 standard.\n * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309\n * {ConsecutiveTransfer} event is only permissible during contract creation.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `quantity` must be greater than 0.\n *\n * Emits a {ConsecutiveTransfer} event.\n */\n function _mintERC2309(address to, uint256 quantity) internal virtual {\n uint256 startTokenId = _currentIndex;\n if (to == address(0)) revert MintToZeroAddress();\n if (quantity == 0) revert MintZeroQuantity();\n if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT)\n revert MintERC2309QuantityExceedsLimit();\n\n _beforeTokenTransfers(address(0), to, startTokenId, quantity);\n\n // Overflows are unrealistic due to the above check for `quantity` to be below the limit.\n unchecked {\n // Updates:\n // - `balance += quantity`.\n // - `numberMinted += quantity`.\n //\n // We can directly add to the `balance` and `numberMinted`.\n _packedAddressData[to] +=\n quantity *\n ((1 << _BITPOS_NUMBER_MINTED) | 1);\n\n // Updates:\n // - `address` to the owner.\n // - `startTimestamp` to the timestamp of minting.\n // - `burned` to `false`.\n // - `nextInitialized` to `quantity == 1`.\n _packedOwnerships[startTokenId] = _packOwnershipData(\n to,\n _nextInitializedFlag(quantity) |\n _nextExtraData(address(0), to, 0)\n );\n\n emit ConsecutiveTransfer(\n startTokenId,\n startTokenId + quantity - 1,\n address(0),\n to\n );\n\n _currentIndex = startTokenId + quantity;\n }\n _afterTokenTransfers(address(0), to, startTokenId, quantity);\n }\n\n /**\n * @dev Safely mints `quantity` tokens and transfers them to `to`.\n *\n * Requirements:\n *\n * - If `to` refers to a smart contract, it must implement\n * {IERC721Receiver-onERC721Received}, which is called for each safe transfer.\n * - `quantity` must be greater than 0.\n *\n * See {_mint}.\n *\n * Emits a {Transfer} event for each mint.\n */\n function _safeMint(\n address to,\n uint256 quantity,\n bytes memory _data\n ) internal virtual {\n _mint(to, quantity);\n\n unchecked {\n if (to.code.length != 0) {\n uint256 end = _currentIndex;\n uint256 index = end - quantity;\n do {\n if (\n !_checkContractOnERC721Received(\n address(0),\n to,\n index++,\n _data\n )\n ) {\n revert TransferToNonERC721ReceiverImplementer();\n }\n } while (index < end);\n // Reentrancy protection.\n if (_currentIndex != end) revert();\n }\n }\n }\n\n /**\n * @dev Equivalent to `_safeMint(to, quantity, '')`.\n */\n function _safeMint(address to, uint256 quantity) internal virtual {\n _safeMint(to, quantity, \"\");\n }\n\n // =============================================================\n // BURN OPERATIONS\n // =============================================================\n\n /**\n * @dev Equivalent to `_burn(tokenId, false)`.\n */\n function _burn(uint256 tokenId) internal virtual {\n _burn(tokenId, false);\n }\n\n /**\n * @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n *\n * Emits a {Transfer} event.\n */\n function _burn(uint256 tokenId, bool approvalCheck) internal virtual {\n uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);\n\n address from = address(uint160(prevOwnershipPacked));\n\n (\n uint256 approvedAddressSlot,\n address approvedAddress\n ) = _getApprovedSlotAndAddress(tokenId);\n\n if (approvalCheck) {\n // The nested ifs save around 20+ gas over a compound boolean condition.\n if (\n !_isSenderApprovedOrOwner(\n approvedAddress,\n from,\n _msgSenderERC721A()\n )\n ) {\n if (!isApprovedForAll(from, _msgSenderERC721A()))\n revert TransferCallerNotOwnerNorApproved();\n }\n }\n\n _beforeTokenTransfers(from, address(0), tokenId, 1);\n\n // Clear approvals from the previous owner.\n assembly {\n if approvedAddress {\n // This is equivalent to `delete _tokenApprovals[tokenId]`.\n sstore(approvedAddressSlot, 0)\n }\n }\n\n // Underflow of the sender's balance is impossible because we check for\n // ownership above and the recipient's balance can't realistically overflow.\n // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.\n unchecked {\n // Updates:\n // - `balance -= 1`.\n // - `numberBurned += 1`.\n //\n // We can directly decrement the balance, and increment the number burned.\n // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.\n _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;\n\n // Updates:\n // - `address` to the last owner.\n // - `startTimestamp` to the timestamp of burning.\n // - `burned` to `true`.\n // - `nextInitialized` to `true`.\n _packedOwnerships[tokenId] = _packOwnershipData(\n from,\n (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) |\n _nextExtraData(from, address(0), prevOwnershipPacked)\n );\n\n // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .\n if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {\n uint256 nextTokenId = tokenId + 1;\n // If the next slot's address is zero and not burned (i.e. packed value is zero).\n if (_packedOwnerships[nextTokenId] == 0) {\n // If the next slot is within bounds.\n if (nextTokenId != _currentIndex) {\n // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.\n _packedOwnerships[nextTokenId] = prevOwnershipPacked;\n }\n }\n }\n }\n\n emit Transfer(from, address(0), tokenId);\n _afterTokenTransfers(from, address(0), tokenId, 1);\n\n // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.\n unchecked {\n _burnCounter++;\n }\n }\n\n // =============================================================\n // EXTRA DATA OPERATIONS\n // =============================================================\n\n /**\n * @dev Directly sets the extra data for the ownership data `index`.\n */\n function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {\n uint256 packed = _packedOwnerships[index];\n if (packed == 0) revert OwnershipNotInitializedForExtraData();\n uint256 extraDataCasted;\n // Cast `extraData` with assembly to avoid redundant masking.\n assembly {\n extraDataCasted := extraData\n }\n packed =\n (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) |\n (extraDataCasted << _BITPOS_EXTRA_DATA);\n _packedOwnerships[index] = packed;\n }\n\n /**\n * @dev Called during each token transfer to set the 24bit `extraData` field.\n * Intended to be overridden by the cosumer contract.\n *\n * `previousExtraData` - the value of `extraData` before transfer.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be\n * transferred to `to`.\n * - When `from` is zero, `tokenId` will be minted for `to`.\n * - When `to` is zero, `tokenId` will be burned by `from`.\n * - `from` and `to` are never both zero.\n */\n function _extraData(\n address from,\n address to,\n uint24 previousExtraData\n ) internal view virtual returns (uint24) {}\n\n /**\n * @dev Returns the next extra data for the packed ownership data.\n * The returned result is shifted into position.\n */\n function _nextExtraData(\n address from,\n address to,\n uint256 prevOwnershipPacked\n ) private view returns (uint256) {\n uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);\n return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;\n }\n\n // =============================================================\n // OTHER OPERATIONS\n // =============================================================\n\n /**\n * @dev Returns the message sender (defaults to `msg.sender`).\n *\n * If you are writing GSN compatible contracts, you need to override this function.\n */\n function _msgSenderERC721A() internal view virtual returns (address) {\n return msg.sender;\n }\n\n /**\n * @dev Converts a uint256 to its ASCII string decimal representation.\n */\n function _toString(uint256 value)\n internal\n pure\n virtual\n returns (string memory str)\n {\n assembly {\n // The maximum value of a uint256 contains 78 digits (1 byte per digit), but\n // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.\n // We will need 1 word for the trailing zeros padding, 1 word for the length,\n // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.\n let m := add(mload(0x40), 0xa0)\n // Update the free memory pointer to allocate.\n mstore(0x40, m)\n // Assign the `str` to the end.\n str := sub(m, 0x20)\n // Zeroize the slot after the string.\n mstore(str, 0)\n\n // Cache the end of the memory to calculate the length later.\n let end := str\n\n // We write the string from rightmost digit to leftmost digit.\n // The following is essentially a do-while loop that also handles the zero case.\n // prettier-ignore\n for { let temp := value } 1 {} {\n str := sub(str, 1)\n // Write the character to the pointer.\n // The ASCII index of the '0' character is 48.\n mstore8(str, add(48, mod(temp, 10)))\n // Keep dividing `temp` until zero.\n temp := div(temp, 10)\n // prettier-ignore\n if iszero(temp) { break }\n }\n\n let length := sub(end, str)\n // Move the pointer 32 bytes leftwards to make room for the length.\n str := sub(str, 0x20)\n // Store the length.\n mstore(str, length)\n }\n }\n}\n"
},
"src/clones/ERC721ContractMetadataCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.17;\n\nimport {\n ISeaDropTokenContractMetadata\n} from \"../interfaces/ISeaDropTokenContractMetadata.sol\";\n\nimport { ERC721ACloneable } from \"./ERC721ACloneable.sol\";\n\nimport { TwoStepOwnable } from \"utility-contracts/TwoStepOwnable.sol\";\n\nimport { IERC2981 } from \"openzeppelin-contracts/interfaces/IERC2981.sol\";\n\nimport {\n IERC165\n} from \"openzeppelin-contracts/utils/introspection/IERC165.sol\";\n\n/**\n * @title ERC721ContractMetadataCloneable\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @notice ERC721ContractMetadata is a token contract that extends ERC721A\n * with additional metadata and ownership capabilities.\n */\ncontract ERC721ContractMetadataCloneable is\n ERC721ACloneable,\n TwoStepOwnable,\n ISeaDropTokenContractMetadata\n{\n /// @notice Track the max supply.\n uint256 _maxSupply;\n\n /// @notice Track the base URI for token metadata.\n string _tokenBaseURI;\n\n /// @notice Track the contract URI for contract metadata.\n string _contractURI;\n\n /// @notice Track the provenance hash for guaranteeing metadata order\n /// for random reveals.\n bytes32 _provenanceHash;\n\n /// @notice Track the royalty info: address to receive royalties, and\n /// royalty basis points.\n RoyaltyInfo _royaltyInfo;\n\n /**\n * @dev Reverts if the sender is not the owner or the contract itself.\n * This function is inlined instead of being a modifier\n * to save contract space from being inlined N times.\n */\n function _onlyOwnerOrSelf() internal view {\n if (\n _cast(msg.sender == owner()) | _cast(msg.sender == address(this)) ==\n 0\n ) {\n revert OnlyOwner();\n }\n }\n\n /**\n * @notice Sets the base URI for the token metadata and emits an event.\n *\n * @param newBaseURI The new base URI to set.\n */\n function setBaseURI(string calldata newBaseURI) external override {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Set the new base URI.\n _tokenBaseURI = newBaseURI;\n\n // Emit an event with the update.\n if (totalSupply() != 0) {\n emit BatchMetadataUpdate(1, _nextTokenId() - 1);\n }\n }\n\n /**\n * @notice Sets the contract URI for contract metadata.\n *\n * @param newContractURI The new contract URI.\n */\n function setContractURI(string calldata newContractURI) external override {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Set the new contract URI.\n _contractURI = newContractURI;\n\n // Emit an event with the update.\n emit ContractURIUpdated(newContractURI);\n }\n\n /**\n * @notice Emit an event notifying metadata updates for\n * a range of token ids, according to EIP-4906.\n *\n * @param fromTokenId The start token id.\n * @param toTokenId The end token id.\n */\n function emitBatchMetadataUpdate(uint256 fromTokenId, uint256 toTokenId)\n external\n {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Emit an event with the update.\n emit BatchMetadataUpdate(fromTokenId, toTokenId);\n }\n\n /**\n * @notice Sets the max token supply and emits an event.\n *\n * @param newMaxSupply The new max supply to set.\n */\n function setMaxSupply(uint256 newMaxSupply) external {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Ensure the max supply does not exceed the maximum value of uint64.\n if (newMaxSupply > 2**64 - 1) {\n revert CannotExceedMaxSupplyOfUint64(newMaxSupply);\n }\n\n // Set the new max supply.\n _maxSupply = newMaxSupply;\n\n // Emit an event with the update.\n emit MaxSupplyUpdated(newMaxSupply);\n }\n\n /**\n * @notice Sets the provenance hash and emits an event.\n *\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it has not been\n * modified after mint started.\n *\n * This function will revert after the first item has been minted.\n *\n * @param newProvenanceHash The new provenance hash to set.\n */\n function setProvenanceHash(bytes32 newProvenanceHash) external {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Revert if any items have been minted.\n if (_totalMinted() > 0) {\n revert ProvenanceHashCannotBeSetAfterMintStarted();\n }\n\n // Keep track of the old provenance hash for emitting with the event.\n bytes32 oldProvenanceHash = _provenanceHash;\n\n // Set the new provenance hash.\n _provenanceHash = newProvenanceHash;\n\n // Emit an event with the update.\n emit ProvenanceHashUpdated(oldProvenanceHash, newProvenanceHash);\n }\n\n /**\n * @notice Sets the address and basis points for royalties.\n *\n * @param newInfo The struct to configure royalties.\n */\n function setRoyaltyInfo(RoyaltyInfo calldata newInfo) external {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Revert if the new royalty address is the zero address.\n if (newInfo.royaltyAddress == address(0)) {\n revert RoyaltyAddressCannotBeZeroAddress();\n }\n\n // Revert if the new basis points is greater than 10_000.\n if (newInfo.royaltyBps > 10_000) {\n revert InvalidRoyaltyBasisPoints(newInfo.royaltyBps);\n }\n\n // Set the new royalty info.\n _royaltyInfo = newInfo;\n\n // Emit an event with the updated params.\n emit RoyaltyInfoUpdated(newInfo.royaltyAddress, newInfo.royaltyBps);\n }\n\n /**\n * @notice Returns the base URI for token metadata.\n */\n function baseURI() external view override returns (string memory) {\n return _baseURI();\n }\n\n /**\n * @notice Returns the base URI for the contract, which ERC721A uses\n * to return tokenURI.\n */\n function _baseURI() internal view virtual override returns (string memory) {\n return _tokenBaseURI;\n }\n\n /**\n * @notice Returns the contract URI for contract metadata.\n */\n function contractURI() external view override returns (string memory) {\n return _contractURI;\n }\n\n /**\n * @notice Returns the max token supply.\n */\n function maxSupply() public view returns (uint256) {\n return _maxSupply;\n }\n\n /**\n * @notice Returns the provenance hash.\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it is unmodified\n * after mint has started.\n */\n function provenanceHash() external view override returns (bytes32) {\n return _provenanceHash;\n }\n\n /**\n * @notice Returns the address that receives royalties.\n */\n function royaltyAddress() external view returns (address) {\n return _royaltyInfo.royaltyAddress;\n }\n\n /**\n * @notice Returns the royalty basis points out of 10_000.\n */\n function royaltyBasisPoints() external view returns (uint256) {\n return _royaltyInfo.royaltyBps;\n }\n\n /**\n * @notice Called with the sale price to determine how much royalty\n * is owed and to whom.\n *\n * @ param _tokenId The NFT asset queried for royalty information.\n * @param _salePrice The sale price of the NFT asset specified by\n * _tokenId.\n *\n * @return receiver Address of who should be sent the royalty payment.\n * @return royaltyAmount The royalty payment amount for _salePrice.\n */\n function royaltyInfo(\n uint256,\n /* _tokenId */\n uint256 _salePrice\n ) external view returns (address receiver, uint256 royaltyAmount) {\n // Put the royalty info on the stack for more efficient access.\n RoyaltyInfo storage info = _royaltyInfo;\n\n // Set the royalty amount to the sale price times the royalty basis\n // points divided by 10_000.\n royaltyAmount = (_salePrice * info.royaltyBps) / 10_000;\n\n // Set the receiver of the royalty.\n receiver = info.royaltyAddress;\n }\n\n /**\n * @notice Returns whether the interface is supported.\n *\n * @param interfaceId The interface id to check against.\n */\n function supportsInterface(bytes4 interfaceId)\n public\n view\n virtual\n override(IERC165, ERC721ACloneable)\n returns (bool)\n {\n return\n interfaceId == type(IERC2981).interfaceId ||\n interfaceId == 0x49064906 || // ERC-4906\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev Internal pure function to cast a `bool` value to a `uint256` value.\n *\n * @param b The `bool` value to cast.\n *\n * @return u The `uint256` value.\n */\n function _cast(bool b) internal pure returns (uint256 u) {\n assembly {\n u := b\n }\n }\n}\n"
},
"src/clones/ERC721SeaDropCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.17;\n\nimport {\n ERC721ContractMetadataCloneable,\n ISeaDropTokenContractMetadata\n} from \"./ERC721ContractMetadataCloneable.sol\";\n\nimport {\n INonFungibleSeaDropToken\n} from \"../interfaces/INonFungibleSeaDropToken.sol\";\n\nimport { ISeaDrop } from \"../interfaces/ISeaDrop.sol\";\n\nimport {\n AllowListData,\n PublicDrop,\n TokenGatedDropStage,\n SignedMintValidationParams\n} from \"../lib/SeaDropStructs.sol\";\n\nimport {\n ERC721SeaDropStructsErrorsAndEvents\n} from \"../lib/ERC721SeaDropStructsErrorsAndEvents.sol\";\n\nimport { ERC721ACloneable } from \"./ERC721ACloneable.sol\";\n\nimport {\n ReentrancyGuardUpgradeable\n} from \"openzeppelin-contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol\";\n\nimport {\n IERC165\n} from \"openzeppelin-contracts/utils/introspection/IERC165.sol\";\n\nimport {\n DefaultOperatorFiltererUpgradeable\n} from \"operator-filter-registry/upgradeable/DefaultOperatorFiltererUpgradeable.sol\";\n\n/**\n * @title ERC721SeaDrop\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @notice ERC721SeaDrop is a token contract that contains methods\n * to properly interact with SeaDrop.\n */\ncontract ERC721SeaDropCloneable is\n ERC721ContractMetadataCloneable,\n INonFungibleSeaDropToken,\n ERC721SeaDropStructsErrorsAndEvents,\n ReentrancyGuardUpgradeable,\n DefaultOperatorFiltererUpgradeable\n{\n /// @notice Track the allowed SeaDrop addresses.\n mapping(address => bool) internal _allowedSeaDrop;\n\n /// @notice Track the enumerated allowed SeaDrop addresses.\n address[] internal _enumeratedAllowedSeaDrop;\n\n /**\n * @dev Reverts if not an allowed SeaDrop contract.\n * This function is inlined instead of being a modifier\n * to save contract space from being inlined N times.\n *\n * @param seaDrop The SeaDrop address to check if allowed.\n */\n function _onlyAllowedSeaDrop(address seaDrop) internal view {\n if (_allowedSeaDrop[seaDrop] != true) {\n revert OnlyAllowedSeaDrop();\n }\n }\n\n /**\n * @notice Deploy the token contract with its name, symbol,\n * and allowed SeaDrop addresses.\n */\n function initialize(\n string calldata __name,\n string calldata __symbol,\n address[] calldata allowedSeaDrop,\n address initialOwner\n ) public initializer {\n __ERC721ACloneable__init(__name, __symbol);\n __ReentrancyGuard_init();\n __DefaultOperatorFilterer_init();\n _updateAllowedSeaDrop(allowedSeaDrop);\n _transferOwnership(initialOwner);\n emit SeaDropTokenDeployed();\n }\n\n /**\n * @notice Update the allowed SeaDrop contracts.\n * Only the owner or administrator can use this function.\n *\n * @param allowedSeaDrop The allowed SeaDrop addresses.\n */\n function updateAllowedSeaDrop(address[] calldata allowedSeaDrop)\n external\n virtual\n override\n onlyOwner\n {\n _updateAllowedSeaDrop(allowedSeaDrop);\n }\n\n /**\n * @notice Internal function to update the allowed SeaDrop contracts.\n *\n * @param allowedSeaDrop The allowed SeaDrop addresses.\n */\n function _updateAllowedSeaDrop(address[] calldata allowedSeaDrop) internal {\n // Put the length on the stack for more efficient access.\n uint256 enumeratedAllowedSeaDropLength = _enumeratedAllowedSeaDrop\n .length;\n uint256 allowedSeaDropLength = allowedSeaDrop.length;\n\n // Reset the old mapping.\n for (uint256 i = 0; i < enumeratedAllowedSeaDropLength; ) {\n _allowedSeaDrop[_enumeratedAllowedSeaDrop[i]] = false;\n unchecked {\n ++i;\n }\n }\n\n // Set the new mapping for allowed SeaDrop contracts.\n for (uint256 i = 0; i < allowedSeaDropLength; ) {\n _allowedSeaDrop[allowedSeaDrop[i]] = true;\n unchecked {\n ++i;\n }\n }\n\n // Set the enumeration.\n _enumeratedAllowedSeaDrop = allowedSeaDrop;\n\n // Emit an event for the update.\n emit AllowedSeaDropUpdated(allowedSeaDrop);\n }\n\n /**\n * @dev Overrides the `_startTokenId` function from ERC721A\n * to start at token id `1`.\n *\n * This is to avoid future possible problems since `0` is usually\n * used to signal values that have not been set or have been removed.\n */\n function _startTokenId() internal view virtual override returns (uint256) {\n return 1;\n }\n\n /**\n * @dev Overrides the `tokenURI()` function from ERC721A\n * to return just the base URI if it is implied to not be a directory.\n *\n * This is to help with ERC721 contracts in which the same token URI\n * is desired for each token, such as when the tokenURI is 'unrevealed'.\n */\n function tokenURI(uint256 tokenId)\n public\n view\n virtual\n override\n returns (string memory)\n {\n if (!_exists(tokenId)) revert URIQueryForNonexistentToken();\n\n string memory baseURI = _baseURI();\n\n // Exit early if the baseURI is empty.\n if (bytes(baseURI).length == 0) {\n return \"\";\n }\n\n // Check if the last character in baseURI is a slash.\n if (bytes(baseURI)[bytes(baseURI).length - 1] != bytes(\"/\")[0]) {\n return baseURI;\n }\n\n return string(abi.encodePacked(baseURI, _toString(tokenId)));\n }\n\n /**\n * @notice Mint tokens, restricted to the SeaDrop contract.\n *\n * @dev NOTE: If a token registers itself with multiple SeaDrop\n * contracts, the implementation of this function should guard\n * against reentrancy. If the implementing token uses\n * _safeMint(), or a feeRecipient with a malicious receive() hook\n * is specified, the token or fee recipients may be able to execute\n * another mint in the same transaction via a separate SeaDrop\n * contract.\n * This is dangerous if an implementing token does not correctly\n * update the minterNumMinted and currentTotalSupply values before\n * transferring minted tokens, as SeaDrop references these values\n * to enforce token limits on a per-wallet and per-stage basis.\n *\n * ERC721A tracks these values automatically, but this note and\n * nonReentrant modifier are left here to encourage best-practices\n * when referencing this contract.\n *\n * @param minter The address to mint to.\n * @param quantity The number of tokens to mint.\n */\n function mintSeaDrop(address minter, uint256 quantity)\n external\n virtual\n override\n nonReentrant\n {\n // Ensure the SeaDrop is allowed.\n _onlyAllowedSeaDrop(msg.sender);\n\n // Extra safety check to ensure the max supply is not exceeded.\n if (_totalMinted() + quantity > maxSupply()) {\n revert MintQuantityExceedsMaxSupply(\n _totalMinted() + quantity,\n maxSupply()\n );\n }\n\n // Mint the quantity of tokens to the minter.\n _safeMint(minter, quantity);\n }\n\n /**\n * @notice Update the public drop data for this nft contract on SeaDrop.\n * Only the owner can use this function.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param publicDrop The public drop data.\n */\n function updatePublicDrop(\n address seaDropImpl,\n PublicDrop calldata publicDrop\n ) external virtual override {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Ensure the SeaDrop is allowed.\n _onlyAllowedSeaDrop(seaDropImpl);\n\n // Update the public drop data on SeaDrop.\n ISeaDrop(seaDropImpl).updatePublicDrop(publicDrop);\n }\n\n /**\n * @notice Update the allow list data for this nft contract on SeaDrop.\n * Only the owner can use this function.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param allowListData The allow list data.\n */\n function updateAllowList(\n address seaDropImpl,\n AllowListData calldata allowListData\n ) external virtual override {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Ensure the SeaDrop is allowed.\n _onlyAllowedSeaDrop(seaDropImpl);\n\n // Update the allow list on SeaDrop.\n ISeaDrop(seaDropImpl).updateAllowList(allowListData);\n }\n\n /**\n * @notice Update the token gated drop stage data for this nft contract\n * on SeaDrop.\n * Only the owner can use this function.\n *\n * Note: If two INonFungibleSeaDropToken tokens are doing\n * simultaneous token gated drop promotions for each other,\n * they can be minted by the same actor until\n * `maxTokenSupplyForStage` is reached. Please ensure the\n * `allowedNftToken` is not running an active drop during the\n * `dropStage` time period.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param allowedNftToken The allowed nft token.\n * @param dropStage The token gated drop stage data.\n */\n function updateTokenGatedDrop(\n address seaDropImpl,\n address allowedNftToken,\n TokenGatedDropStage calldata dropStage\n ) external virtual override {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Ensure the SeaDrop is allowed.\n _onlyAllowedSeaDrop(seaDropImpl);\n\n // Update the token gated drop stage.\n ISeaDrop(seaDropImpl).updateTokenGatedDrop(allowedNftToken, dropStage);\n }\n\n /**\n * @notice Update the drop URI for this nft contract on SeaDrop.\n * Only the owner can use this function.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param dropURI The new drop URI.\n */\n function updateDropURI(address seaDropImpl, string calldata dropURI)\n external\n virtual\n override\n {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Ensure the SeaDrop is allowed.\n _onlyAllowedSeaDrop(seaDropImpl);\n\n // Update the drop URI.\n ISeaDrop(seaDropImpl).updateDropURI(dropURI);\n }\n\n /**\n * @notice Update the creator payout address for this nft contract on\n * SeaDrop.\n * Only the owner can set the creator payout address.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param payoutAddress The new payout address.\n */\n function updateCreatorPayoutAddress(\n address seaDropImpl,\n address payoutAddress\n ) external {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Ensure the SeaDrop is allowed.\n _onlyAllowedSeaDrop(seaDropImpl);\n\n // Update the creator payout address.\n ISeaDrop(seaDropImpl).updateCreatorPayoutAddress(payoutAddress);\n }\n\n /**\n * @notice Update the allowed fee recipient for this nft contract\n * on SeaDrop.\n * Only the owner can set the allowed fee recipient.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param feeRecipient The new fee recipient.\n * @param allowed If the fee recipient is allowed.\n */\n function updateAllowedFeeRecipient(\n address seaDropImpl,\n address feeRecipient,\n bool allowed\n ) external virtual {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Ensure the SeaDrop is allowed.\n _onlyAllowedSeaDrop(seaDropImpl);\n\n // Update the allowed fee recipient.\n ISeaDrop(seaDropImpl).updateAllowedFeeRecipient(feeRecipient, allowed);\n }\n\n /**\n * @notice Update the server-side signers for this nft contract\n * on SeaDrop.\n * Only the owner can use this function.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param signer The signer to update.\n * @param signedMintValidationParams Minimum and maximum parameters to\n * enforce for signed mints.\n */\n function updateSignedMintValidationParams(\n address seaDropImpl,\n address signer,\n SignedMintValidationParams memory signedMintValidationParams\n ) external virtual override {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Ensure the SeaDrop is allowed.\n _onlyAllowedSeaDrop(seaDropImpl);\n\n // Update the signer.\n ISeaDrop(seaDropImpl).updateSignedMintValidationParams(\n signer,\n signedMintValidationParams\n );\n }\n\n /**\n * @notice Update the allowed payers for this nft contract on SeaDrop.\n * Only the owner can use this function.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param payer The payer to update.\n * @param allowed Whether the payer is allowed.\n */\n function updatePayer(\n address seaDropImpl,\n address payer,\n bool allowed\n ) external virtual override {\n // Ensure the sender is only the owner or contract itself.\n _onlyOwnerOrSelf();\n\n // Ensure the SeaDrop is allowed.\n _onlyAllowedSeaDrop(seaDropImpl);\n\n // Update the payer.\n ISeaDrop(seaDropImpl).updatePayer(payer, allowed);\n }\n\n /**\n * @notice Returns a set of mint stats for the address.\n * This assists SeaDrop in enforcing maxSupply,\n * maxTotalMintableByWallet, and maxTokenSupplyForStage checks.\n *\n * @dev NOTE: Implementing contracts should always update these numbers\n * before transferring any tokens with _safeMint() to mitigate\n * consequences of malicious onERC721Received() hooks.\n *\n * @param minter The minter address.\n */\n function getMintStats(address minter)\n external\n view\n override\n returns (\n uint256 minterNumMinted,\n uint256 currentTotalSupply,\n uint256 maxSupply\n )\n {\n minterNumMinted = _numberMinted(minter);\n currentTotalSupply = _totalMinted();\n maxSupply = _maxSupply;\n }\n\n /**\n * @notice Returns whether the interface is supported.\n *\n * @param interfaceId The interface id to check against.\n */\n function supportsInterface(bytes4 interfaceId)\n public\n view\n virtual\n override(IERC165, ERC721ContractMetadataCloneable)\n returns (bool)\n {\n return\n interfaceId == type(INonFungibleSeaDropToken).interfaceId ||\n interfaceId == type(ISeaDropTokenContractMetadata).interfaceId ||\n // ERC721ContractMetadata returns supportsInterface true for\n // EIP-2981\n // ERC721A returns supportsInterface true for\n // ERC165, ERC721, ERC721Metadata\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom}\n * for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n * - The `operator` must be allowed.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool approved)\n public\n override\n onlyAllowedOperatorApproval(operator)\n {\n super.setApprovalForAll(operator, approved);\n }\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the\n * zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n * - The `operator` mut be allowed.\n *\n * Emits an {Approval} event.\n */\n function approve(address operator, uint256 tokenId)\n public\n override\n onlyAllowedOperatorApproval(operator)\n {\n super.approve(operator, tokenId);\n }\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token\n * by either {approve} or {setApprovalForAll}.\n * - The operator must be allowed.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public override onlyAllowedOperator(from) {\n super.transferFrom(from, to, tokenId);\n }\n\n /**\n * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public override onlyAllowedOperator(from) {\n super.safeTransferFrom(from, to, tokenId);\n }\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token\n * by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement\n * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n * - The operator must be allowed.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) public override onlyAllowedOperator(from) {\n super.safeTransferFrom(from, to, tokenId, data);\n }\n\n /**\n * @notice Configure multiple properties at a time.\n *\n * Note: The individual configure methods should be used\n * to unset or reset any properties to zero, as this method\n * will ignore zero-value properties in the config struct.\n *\n * @param config The configuration struct.\n */\n function multiConfigure(MultiConfigureStruct calldata config)\n external\n onlyOwner\n {\n if (config.maxSupply > 0) {\n this.setMaxSupply(config.maxSupply);\n }\n if (bytes(config.baseURI).length != 0) {\n this.setBaseURI(config.baseURI);\n }\n if (bytes(config.contractURI).length != 0) {\n this.setContractURI(config.contractURI);\n }\n if (\n _cast(config.publicDrop.startTime != 0) |\n _cast(config.publicDrop.endTime != 0) ==\n 1\n ) {\n this.updatePublicDrop(config.seaDropImpl, config.publicDrop);\n }\n if (bytes(config.dropURI).length != 0) {\n this.updateDropURI(config.seaDropImpl, config.dropURI);\n }\n if (config.allowListData.merkleRoot != bytes32(0)) {\n this.updateAllowList(config.seaDropImpl, config.allowListData);\n }\n if (config.creatorPayoutAddress != address(0)) {\n this.updateCreatorPayoutAddress(\n config.seaDropImpl,\n config.creatorPayoutAddress\n );\n }\n if (config.provenanceHash != bytes32(0)) {\n this.setProvenanceHash(config.provenanceHash);\n }\n if (config.allowedFeeRecipients.length > 0) {\n for (uint256 i = 0; i < config.allowedFeeRecipients.length; ) {\n this.updateAllowedFeeRecipient(\n config.seaDropImpl,\n config.allowedFeeRecipients[i],\n true\n );\n unchecked {\n ++i;\n }\n }\n }\n if (config.disallowedFeeRecipients.length > 0) {\n for (uint256 i = 0; i < config.disallowedFeeRecipients.length; ) {\n this.updateAllowedFeeRecipient(\n config.seaDropImpl,\n config.disallowedFeeRecipients[i],\n false\n );\n unchecked {\n ++i;\n }\n }\n }\n if (config.allowedPayers.length > 0) {\n for (uint256 i = 0; i < config.allowedPayers.length; ) {\n this.updatePayer(\n config.seaDropImpl,\n config.allowedPayers[i],\n true\n );\n unchecked {\n ++i;\n }\n }\n }\n if (config.disallowedPayers.length > 0) {\n for (uint256 i = 0; i < config.disallowedPayers.length; ) {\n this.updatePayer(\n config.seaDropImpl,\n config.disallowedPayers[i],\n false\n );\n unchecked {\n ++i;\n }\n }\n }\n if (config.tokenGatedDropStages.length > 0) {\n if (\n config.tokenGatedDropStages.length !=\n config.tokenGatedAllowedNftTokens.length\n ) {\n revert TokenGatedMismatch();\n }\n for (uint256 i = 0; i < config.tokenGatedDropStages.length; ) {\n this.updateTokenGatedDrop(\n config.seaDropImpl,\n config.tokenGatedAllowedNftTokens[i],\n config.tokenGatedDropStages[i]\n );\n unchecked {\n ++i;\n }\n }\n }\n if (config.disallowedTokenGatedAllowedNftTokens.length > 0) {\n for (\n uint256 i = 0;\n i < config.disallowedTokenGatedAllowedNftTokens.length;\n\n ) {\n TokenGatedDropStage memory emptyStage;\n this.updateTokenGatedDrop(\n config.seaDropImpl,\n config.disallowedTokenGatedAllowedNftTokens[i],\n emptyStage\n );\n unchecked {\n ++i;\n }\n }\n }\n if (config.signedMintValidationParams.length > 0) {\n if (\n config.signedMintValidationParams.length !=\n config.signers.length\n ) {\n revert SignersMismatch();\n }\n for (\n uint256 i = 0;\n i < config.signedMintValidationParams.length;\n\n ) {\n this.updateSignedMintValidationParams(\n config.seaDropImpl,\n config.signers[i],\n config.signedMintValidationParams[i]\n );\n unchecked {\n ++i;\n }\n }\n }\n if (config.disallowedSigners.length > 0) {\n for (uint256 i = 0; i < config.disallowedSigners.length; ) {\n SignedMintValidationParams memory emptyParams;\n this.updateSignedMintValidationParams(\n config.seaDropImpl,\n config.disallowedSigners[i],\n emptyParams\n );\n unchecked {\n ++i;\n }\n }\n }\n }\n}\n"
},
"src/interfaces/INonFungibleSeaDropToken.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.17;\n\nimport {\n ISeaDropTokenContractMetadata\n} from \"./ISeaDropTokenContractMetadata.sol\";\n\nimport {\n AllowListData,\n PublicDrop,\n TokenGatedDropStage,\n SignedMintValidationParams\n} from \"../lib/SeaDropStructs.sol\";\n\ninterface INonFungibleSeaDropToken is ISeaDropTokenContractMetadata {\n /**\n * @dev Revert with an error if a contract is not an allowed\n * SeaDrop address.\n */\n error OnlyAllowedSeaDrop();\n\n /**\n * @dev Emit an event when allowed SeaDrop contracts are updated.\n */\n event AllowedSeaDropUpdated(address[] allowedSeaDrop);\n\n /**\n * @notice Update the allowed SeaDrop contracts.\n * Only the owner or administrator can use this function.\n *\n * @param allowedSeaDrop The allowed SeaDrop addresses.\n */\n function updateAllowedSeaDrop(address[] calldata allowedSeaDrop) external;\n\n /**\n * @notice Mint tokens, restricted to the SeaDrop contract.\n *\n * @dev NOTE: If a token registers itself with multiple SeaDrop\n * contracts, the implementation of this function should guard\n * against reentrancy. If the implementing token uses\n * _safeMint(), or a feeRecipient with a malicious receive() hook\n * is specified, the token or fee recipients may be able to execute\n * another mint in the same transaction via a separate SeaDrop\n * contract.\n * This is dangerous if an implementing token does not correctly\n * update the minterNumMinted and currentTotalSupply values before\n * transferring minted tokens, as SeaDrop references these values\n * to enforce token limits on a per-wallet and per-stage basis.\n *\n * @param minter The address to mint to.\n * @param quantity The number of tokens to mint.\n */\n function mintSeaDrop(address minter, uint256 quantity) external;\n\n /**\n * @notice Returns a set of mint stats for the address.\n * This assists SeaDrop in enforcing maxSupply,\n * maxTotalMintableByWallet, and maxTokenSupplyForStage checks.\n *\n * @dev NOTE: Implementing contracts should always update these numbers\n * before transferring any tokens with _safeMint() to mitigate\n * consequences of malicious onERC721Received() hooks.\n *\n * @param minter The minter address.\n */\n function getMintStats(address minter)\n external\n view\n returns (\n uint256 minterNumMinted,\n uint256 currentTotalSupply,\n uint256 maxSupply\n );\n\n /**\n * @notice Update the public drop data for this nft contract on SeaDrop.\n * Only the owner or administrator can use this function.\n *\n * The administrator can only update `feeBps`.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param publicDrop The public drop data.\n */\n function updatePublicDrop(\n address seaDropImpl,\n PublicDrop calldata publicDrop\n ) external;\n\n /**\n * @notice Update the allow list data for this nft contract on SeaDrop.\n * Only the owner or administrator can use this function.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param allowListData The allow list data.\n */\n function updateAllowList(\n address seaDropImpl,\n AllowListData calldata allowListData\n ) external;\n\n /**\n * @notice Update the token gated drop stage data for this nft contract\n * on SeaDrop.\n * Only the owner or administrator can use this function.\n *\n * The administrator, when present, must first set `feeBps`.\n *\n * Note: If two INonFungibleSeaDropToken tokens are doing\n * simultaneous token gated drop promotions for each other,\n * they can be minted by the same actor until\n * `maxTokenSupplyForStage` is reached. Please ensure the\n * `allowedNftToken` is not running an active drop during the\n * `dropStage` time period.\n *\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param allowedNftToken The allowed nft token.\n * @param dropStage The token gated drop stage data.\n */\n function updateTokenGatedDrop(\n address seaDropImpl,\n address allowedNftToken,\n TokenGatedDropStage calldata dropStage\n ) external;\n\n /**\n * @notice Update the drop URI for this nft contract on SeaDrop.\n * Only the owner or administrator can use this function.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param dropURI The new drop URI.\n */\n function updateDropURI(address seaDropImpl, string calldata dropURI)\n external;\n\n /**\n * @notice Update the creator payout address for this nft contract on\n * SeaDrop.\n * Only the owner can set the creator payout address.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param payoutAddress The new payout address.\n */\n function updateCreatorPayoutAddress(\n address seaDropImpl,\n address payoutAddress\n ) external;\n\n /**\n * @notice Update the allowed fee recipient for this nft contract\n * on SeaDrop.\n * Only the administrator can set the allowed fee recipient.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param feeRecipient The new fee recipient.\n */\n function updateAllowedFeeRecipient(\n address seaDropImpl,\n address feeRecipient,\n bool allowed\n ) external;\n\n /**\n * @notice Update the server-side signers for this nft contract\n * on SeaDrop.\n * Only the owner or administrator can use this function.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param signer The signer to update.\n * @param signedMintValidationParams Minimum and maximum parameters\n * to enforce for signed mints.\n */\n function updateSignedMintValidationParams(\n address seaDropImpl,\n address signer,\n SignedMintValidationParams memory signedMintValidationParams\n ) external;\n\n /**\n * @notice Update the allowed payers for this nft contract on SeaDrop.\n * Only the owner or administrator can use this function.\n *\n * @param seaDropImpl The allowed SeaDrop contract.\n * @param payer The payer to update.\n * @param allowed Whether the payer is allowed.\n */\n function updatePayer(\n address seaDropImpl,\n address payer,\n bool allowed\n ) external;\n}\n"
},
"src/interfaces/ISeaDrop.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.17;\n\nimport {\n AllowListData,\n MintParams,\n PublicDrop,\n TokenGatedDropStage,\n TokenGatedMintParams,\n SignedMintValidationParams\n} from \"../lib/SeaDropStructs.sol\";\n\nimport { SeaDropErrorsAndEvents } from \"../lib/SeaDropErrorsAndEvents.sol\";\n\ninterface ISeaDrop is SeaDropErrorsAndEvents {\n /**\n * @notice Mint a public drop.\n *\n * @param nftContract The nft contract to mint.\n * @param feeRecipient The fee recipient.\n * @param minterIfNotPayer The mint recipient if different than the payer.\n * @param quantity The number of tokens to mint.\n */\n function mintPublic(\n address nftContract,\n address feeRecipient,\n address minterIfNotPayer,\n uint256 quantity\n ) external payable;\n\n /**\n * @notice Mint from an allow list.\n *\n * @param nftContract The nft contract to mint.\n * @param feeRecipient The fee recipient.\n * @param minterIfNotPayer The mint recipient if different than the payer.\n * @param quantity The number of tokens to mint.\n * @param mintParams The mint parameters.\n * @param proof The proof for the leaf of the allow list.\n */\n function mintAllowList(\n address nftContract,\n address feeRecipient,\n address minterIfNotPayer,\n uint256 quantity,\n MintParams calldata mintParams,\n bytes32[] calldata proof\n ) external payable;\n\n /**\n * @notice Mint with a server-side signature.\n * Note that a signature can only be used once.\n *\n * @param nftContract The nft contract to mint.\n * @param feeRecipient The fee recipient.\n * @param minterIfNotPayer The mint recipient if different than the payer.\n * @param quantity The number of tokens to mint.\n * @param mintParams The mint parameters.\n * @param salt The sale for the signed mint.\n * @param signature The server-side signature, must be an allowed\n * signer.\n */\n function mintSigned(\n address nftContract,\n address feeRecipient,\n address minterIfNotPayer,\n uint256 quantity,\n MintParams calldata mintParams,\n uint256 salt,\n bytes calldata signature\n ) external payable;\n\n /**\n * @notice Mint as an allowed token holder.\n * This will mark the token id as redeemed and will revert if the\n * same token id is attempted to be redeemed twice.\n *\n * @param nftContract The nft contract to mint.\n * @param feeRecipient The fee recipient.\n * @param minterIfNotPayer The mint recipient if different than the payer.\n * @param mintParams The token gated mint params.\n */\n function mintAllowedTokenHolder(\n address nftContract,\n address feeRecipient,\n address minterIfNotPayer,\n TokenGatedMintParams calldata mintParams\n ) external payable;\n\n /**\n * @notice Emits an event to notify update of the drop URI.\n *\n * This method assume msg.sender is an nft contract and its\n * ERC165 interface id matches INonFungibleSeaDropToken.\n *\n * Note: Be sure only authorized users can call this from\n * token contracts that implement INonFungibleSeaDropToken.\n *\n * @param dropURI The new drop URI.\n */\n function updateDropURI(string calldata dropURI) external;\n\n /**\n * @notice Updates the public drop data for the nft contract\n * and emits an event.\n *\n * This method assume msg.sender is an nft contract and its\n * ERC165 interface id matches INonFungibleSeaDropToken.\n *\n * Note: Be sure only authorized users can call this from\n * token contracts that implement INonFungibleSeaDropToken.\n *\n * @param publicDrop The public drop data.\n */\n function updatePublicDrop(PublicDrop calldata publicDrop) external;\n\n /**\n * @notice Updates the allow list merkle root for the nft contract\n * and emits an event.\n *\n * This method assume msg.sender is an nft contract and its\n * ERC165 interface id matches INonFungibleSeaDropToken.\n *\n * Note: Be sure only authorized users can call this from\n * token contracts that implement INonFungibleSeaDropToken.\n *\n * @param allowListData The allow list data.\n */\n function updateAllowList(AllowListData calldata allowListData) external;\n\n /**\n * @notice Updates the token gated drop stage for the nft contract\n * and emits an event.\n *\n * This method assume msg.sender is an nft contract and its\n * ERC165 interface id matches INonFungibleSeaDropToken.\n *\n * Note: Be sure only authorized users can call this from\n * token contracts that implement INonFungibleSeaDropToken.\n *\n * Note: If two INonFungibleSeaDropToken tokens are doing\n * simultaneous token gated drop promotions for each other,\n * they can be minted by the same actor until\n * `maxTokenSupplyForStage` is reached. Please ensure the\n * `allowedNftToken` is not running an active drop during\n * the `dropStage` time period.\n *\n * @param allowedNftToken The token gated nft token.\n * @param dropStage The token gated drop stage data.\n */\n function updateTokenGatedDrop(\n address allowedNftToken,\n TokenGatedDropStage calldata dropStage\n ) external;\n\n /**\n * @notice Updates the creator payout address and emits an event.\n *\n * This method assume msg.sender is an nft contract and its\n * ERC165 interface id matches INonFungibleSeaDropToken.\n *\n * Note: Be sure only authorized users can call this from\n * token contracts that implement INonFungibleSeaDropToken.\n *\n * @param payoutAddress The creator payout address.\n */\n function updateCreatorPayoutAddress(address payoutAddress) external;\n\n /**\n * @notice Updates the allowed fee recipient and emits an event.\n *\n * This method assume msg.sender is an nft contract and its\n * ERC165 interface id matches INonFungibleSeaDropToken.\n *\n * Note: Be sure only authorized users can call this from\n * token contracts that implement INonFungibleSeaDropToken.\n *\n * @param feeRecipient The fee recipient.\n * @param allowed If the fee recipient is allowed.\n */\n function updateAllowedFeeRecipient(address feeRecipient, bool allowed)\n external;\n\n /**\n * @notice Updates the allowed server-side signers and emits an event.\n *\n * This method assume msg.sender is an nft contract and its\n * ERC165 interface id matches INonFungibleSeaDropToken.\n *\n * Note: Be sure only authorized users can call this from\n * token contracts that implement INonFungibleSeaDropToken.\n *\n * @param signer The signer to update.\n * @param signedMintValidationParams Minimum and maximum parameters\n * to enforce for signed mints.\n */\n function updateSignedMintValidationParams(\n address signer,\n SignedMintValidationParams calldata signedMintValidationParams\n ) external;\n\n /**\n * @notice Updates the allowed payer and emits an event.\n *\n * This method assume msg.sender is an nft contract and its\n * ERC165 interface id matches INonFungibleSeaDropToken.\n *\n * Note: Be sure only authorized users can call this from\n * token contracts that implement INonFungibleSeaDropToken.\n *\n * @param payer The payer to add or remove.\n * @param allowed Whether to add or remove the payer.\n */\n function updatePayer(address payer, bool allowed) external;\n\n /**\n * @notice Returns the public drop data for the nft contract.\n *\n * @param nftContract The nft contract.\n */\n function getPublicDrop(address nftContract)\n external\n view\n returns (PublicDrop memory);\n\n /**\n * @notice Returns the creator payout address for the nft contract.\n *\n * @param nftContract The nft contract.\n */\n function getCreatorPayoutAddress(address nftContract)\n external\n view\n returns (address);\n\n /**\n * @notice Returns the allow list merkle root for the nft contract.\n *\n * @param nftContract The nft contract.\n */\n function getAllowListMerkleRoot(address nftContract)\n external\n view\n returns (bytes32);\n\n /**\n * @notice Returns if the specified fee recipient is allowed\n * for the nft contract.\n *\n * @param nftContract The nft contract.\n * @param feeRecipient The fee recipient.\n */\n function getFeeRecipientIsAllowed(address nftContract, address feeRecipient)\n external\n view\n returns (bool);\n\n /**\n * @notice Returns an enumeration of allowed fee recipients for an\n * nft contract when fee recipients are enforced\n *\n * @param nftContract The nft contract.\n */\n function getAllowedFeeRecipients(address nftContract)\n external\n view\n returns (address[] memory);\n\n /**\n * @notice Returns the server-side signers for the nft contract.\n *\n * @param nftContract The nft contract.\n */\n function getSigners(address nftContract)\n external\n view\n returns (address[] memory);\n\n /**\n * @notice Returns the struct of SignedMintValidationParams for a signer.\n *\n * @param nftContract The nft contract.\n * @param signer The signer.\n */\n function getSignedMintValidationParams(address nftContract, address signer)\n external\n view\n returns (SignedMintValidationParams memory);\n\n /**\n * @notice Returns the payers for the nft contract.\n *\n * @param nftContract The nft contract.\n */\n function getPayers(address nftContract)\n external\n view\n returns (address[] memory);\n\n /**\n * @notice Returns if the specified payer is allowed\n * for the nft contract.\n *\n * @param nftContract The nft contract.\n * @param payer The payer.\n */\n function getPayerIsAllowed(address nftContract, address payer)\n external\n view\n returns (bool);\n\n /**\n * @notice Returns the allowed token gated drop tokens for the nft contract.\n *\n * @param nftContract The nft contract.\n */\n function getTokenGatedAllowedTokens(address nftContract)\n external\n view\n returns (address[] memory);\n\n /**\n * @notice Returns the token gated drop data for the nft contract\n * and token gated nft.\n *\n * @param nftContract The nft contract.\n * @param allowedNftToken The token gated nft token.\n */\n function getTokenGatedDrop(address nftContract, address allowedNftToken)\n external\n view\n returns (TokenGatedDropStage memory);\n\n /**\n * @notice Returns whether the token id for a token gated drop has been\n * redeemed.\n *\n * @param nftContract The nft contract.\n * @param allowedNftToken The token gated nft token.\n * @param allowedNftTokenId The token gated nft token id to check.\n */\n function getAllowedNftTokenIdIsRedeemed(\n address nftContract,\n address allowedNftToken,\n uint256 allowedNftTokenId\n ) external view returns (bool);\n}\n"
},
"src/interfaces/ISeaDropTokenContractMetadata.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.17;\n\nimport { IERC2981 } from \"openzeppelin-contracts/interfaces/IERC2981.sol\";\n\ninterface ISeaDropTokenContractMetadata is IERC2981 {\n /**\n * @notice Throw if the max supply exceeds uint64, a limit\n * due to the storage of bit-packed variables in ERC721A.\n */\n error CannotExceedMaxSupplyOfUint64(uint256 newMaxSupply);\n\n /**\n * @dev Revert with an error when attempting to set the provenance\n * hash after the mint has started.\n */\n error ProvenanceHashCannotBeSetAfterMintStarted();\n\n /**\n * @dev Revert if the royalty basis points is greater than 10_000.\n */\n error InvalidRoyaltyBasisPoints(uint256 basisPoints);\n\n /**\n * @dev Revert if the royalty address is being set to the zero address.\n */\n error RoyaltyAddressCannotBeZeroAddress();\n\n /**\n * @dev Emit an event for token metadata reveals/updates,\n * according to EIP-4906.\n *\n * @param _fromTokenId The start token id.\n * @param _toTokenId The end token id.\n */\n event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);\n\n /**\n * @dev Emit an event when the URI for the collection-level metadata\n * is updated.\n */\n event ContractURIUpdated(string newContractURI);\n\n /**\n * @dev Emit an event when the max token supply is updated.\n */\n event MaxSupplyUpdated(uint256 newMaxSupply);\n\n /**\n * @dev Emit an event with the previous and new provenance hash after\n * being updated.\n */\n event ProvenanceHashUpdated(bytes32 previousHash, bytes32 newHash);\n\n /**\n * @dev Emit an event when the royalties info is updated.\n */\n event RoyaltyInfoUpdated(address receiver, uint256 bps);\n\n /**\n * @notice A struct defining royalty info for the contract.\n */\n struct RoyaltyInfo {\n address royaltyAddress;\n uint96 royaltyBps;\n }\n\n /**\n * @notice Sets the base URI for the token metadata and emits an event.\n *\n * @param tokenURI The new base URI to set.\n */\n function setBaseURI(string calldata tokenURI) external;\n\n /**\n * @notice Sets the contract URI for contract metadata.\n *\n * @param newContractURI The new contract URI.\n */\n function setContractURI(string calldata newContractURI) external;\n\n /**\n * @notice Sets the max supply and emits an event.\n *\n * @param newMaxSupply The new max supply to set.\n */\n function setMaxSupply(uint256 newMaxSupply) external;\n\n /**\n * @notice Sets the provenance hash and emits an event.\n *\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it has not been\n * modified after mint started.\n *\n * This function will revert after the first item has been minted.\n *\n * @param newProvenanceHash The new provenance hash to set.\n */\n function setProvenanceHash(bytes32 newProvenanceHash) external;\n\n /**\n * @notice Sets the address and basis points for royalties.\n *\n * @param newInfo The struct to configure royalties.\n */\n function setRoyaltyInfo(RoyaltyInfo calldata newInfo) external;\n\n /**\n * @notice Returns the base URI for token metadata.\n */\n function baseURI() external view returns (string memory);\n\n /**\n * @notice Returns the contract URI.\n */\n function contractURI() external view returns (string memory);\n\n /**\n * @notice Returns the max token supply.\n */\n function maxSupply() external view returns (uint256);\n\n /**\n * @notice Returns the provenance hash.\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it is unmodified\n * after mint has started.\n */\n function provenanceHash() external view returns (bytes32);\n\n /**\n * @notice Returns the address that receives royalties.\n */\n function royaltyAddress() external view returns (address);\n\n /**\n * @notice Returns the royalty basis points out of 10_000.\n */\n function royaltyBasisPoints() external view returns (uint256);\n}\n"
},
"src/lib/ERC721SeaDropStructsErrorsAndEvents.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.17;\n\nimport {\n AllowListData,\n PublicDrop,\n SignedMintValidationParams,\n TokenGatedDropStage\n} from \"./SeaDropStructs.sol\";\n\ninterface ERC721SeaDropStructsErrorsAndEvents {\n /**\n * @notice Revert with an error if mint exceeds the max supply.\n */\n error MintQuantityExceedsMaxSupply(uint256 total, uint256 maxSupply);\n\n /**\n * @notice Revert with an error if the number of token gated \n * allowedNftTokens doesn't match the length of supplied\n * drop stages.\n */\n error TokenGatedMismatch();\n\n /**\n * @notice Revert with an error if the number of signers doesn't match\n * the length of supplied signedMintValidationParams\n */\n error SignersMismatch();\n\n /**\n * @notice An event to signify that a SeaDrop token contract was deployed.\n */\n event SeaDropTokenDeployed();\n\n /**\n * @notice A struct to configure multiple contract options at a time.\n */\n struct MultiConfigureStruct {\n uint256 maxSupply;\n string baseURI;\n string contractURI;\n address seaDropImpl;\n PublicDrop publicDrop;\n string dropURI;\n AllowListData allowListData;\n address creatorPayoutAddress;\n bytes32 provenanceHash;\n\n address[] allowedFeeRecipients;\n address[] disallowedFeeRecipients;\n\n address[] allowedPayers;\n address[] disallowedPayers;\n\n // Token-gated\n address[] tokenGatedAllowedNftTokens;\n TokenGatedDropStage[] tokenGatedDropStages;\n address[] disallowedTokenGatedAllowedNftTokens;\n\n // Server-signed\n address[] signers;\n SignedMintValidationParams[] signedMintValidationParams;\n address[] disallowedSigners;\n }\n}"
},
"src/lib/SeaDropErrorsAndEvents.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.17;\n\nimport { PublicDrop, TokenGatedDropStage, SignedMintValidationParams } from \"./SeaDropStructs.sol\";\n\ninterface SeaDropErrorsAndEvents {\n /**\n * @dev Revert with an error if the drop stage is not active.\n */\n error NotActive(\n uint256 currentTimestamp,\n uint256 startTimestamp,\n uint256 endTimestamp\n );\n\n /**\n * @dev Revert with an error if the mint quantity is zero.\n */\n error MintQuantityCannotBeZero();\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max allowed\n * to be minted per wallet.\n */\n error MintQuantityExceedsMaxMintedPerWallet(uint256 total, uint256 allowed);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply.\n */\n error MintQuantityExceedsMaxSupply(uint256 total, uint256 maxSupply);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply for the stage.\n * Note: The `maxTokenSupplyForStage` for public mint is\n * always `type(uint).max`.\n */\n error MintQuantityExceedsMaxTokenSupplyForStage(\n uint256 total, \n uint256 maxTokenSupplyForStage\n );\n \n /**\n * @dev Revert if the fee recipient is the zero address.\n */\n error FeeRecipientCannotBeZeroAddress();\n\n /**\n * @dev Revert if the fee recipient is not already included.\n */\n error FeeRecipientNotPresent();\n\n /**\n * @dev Revert if the fee basis points is greater than 10_000.\n */\n error InvalidFeeBps(uint256 feeBps);\n\n /**\n * @dev Revert if the fee recipient is already included.\n */\n error DuplicateFeeRecipient();\n\n /**\n * @dev Revert if the fee recipient is restricted and not allowed.\n */\n error FeeRecipientNotAllowed();\n\n /**\n * @dev Revert if the creator payout address is the zero address.\n */\n error CreatorPayoutAddressCannotBeZeroAddress();\n\n /**\n * @dev Revert with an error if the received payment is incorrect.\n */\n error IncorrectPayment(uint256 got, uint256 want);\n\n /**\n * @dev Revert with an error if the allow list proof is invalid.\n */\n error InvalidProof();\n\n /**\n * @dev Revert if a supplied signer address is the zero address.\n */\n error SignerCannotBeZeroAddress();\n\n /**\n * @dev Revert with an error if signer's signature is invalid.\n */\n error InvalidSignature(address recoveredSigner);\n\n /**\n * @dev Revert with an error if a signer is not included in\n * the enumeration when removing.\n */\n error SignerNotPresent();\n\n /**\n * @dev Revert with an error if a payer is not included in\n * the enumeration when removing.\n */\n error PayerNotPresent();\n\n /**\n * @dev Revert with an error if a payer is already included in mapping\n * when adding.\n * Note: only applies when adding a single payer, as duplicates in\n * enumeration can be removed with updatePayer.\n */\n error DuplicatePayer();\n\n /**\n * @dev Revert with an error if the payer is not allowed. The minter must\n * pay for their own mint.\n */\n error PayerNotAllowed();\n\n /**\n * @dev Revert if a supplied payer address is the zero address.\n */\n error PayerCannotBeZeroAddress();\n\n /**\n * @dev Revert with an error if the sender does not\n * match the INonFungibleSeaDropToken interface.\n */\n error OnlyINonFungibleSeaDropToken(address sender);\n\n /**\n * @dev Revert with an error if the sender of a token gated supplied\n * drop stage redeem is not the owner of the token.\n */\n error TokenGatedNotTokenOwner(\n address nftContract,\n address allowedNftToken,\n uint256 allowedNftTokenId\n );\n\n /**\n * @dev Revert with an error if the token id has already been used to\n * redeem a token gated drop stage.\n */\n error TokenGatedTokenIdAlreadyRedeemed(\n address nftContract,\n address allowedNftToken,\n uint256 allowedNftTokenId\n );\n\n /**\n * @dev Revert with an error if an empty TokenGatedDropStage is provided\n * for an already-empty TokenGatedDropStage.\n */\n error TokenGatedDropStageNotPresent();\n\n /**\n * @dev Revert with an error if an allowedNftToken is set to\n * the zero address.\n */\n error TokenGatedDropAllowedNftTokenCannotBeZeroAddress();\n\n /**\n * @dev Revert with an error if an allowedNftToken is set to\n * the drop token itself.\n */\n error TokenGatedDropAllowedNftTokenCannotBeDropToken();\n\n\n /**\n * @dev Revert with an error if supplied signed mint price is less than\n * the minimum specified.\n */\n error InvalidSignedMintPrice(uint256 got, uint256 minimum);\n\n /**\n * @dev Revert with an error if supplied signed maxTotalMintableByWallet\n * is greater than the maximum specified.\n */\n error InvalidSignedMaxTotalMintableByWallet(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed start time is less than\n * the minimum specified.\n */\n error InvalidSignedStartTime(uint256 got, uint256 minimum);\n \n /**\n * @dev Revert with an error if supplied signed end time is greater than\n * the maximum specified.\n */\n error InvalidSignedEndTime(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed maxTokenSupplyForStage\n * is greater than the maximum specified.\n */\n error InvalidSignedMaxTokenSupplyForStage(uint256 got, uint256 maximum);\n \n /**\n * @dev Revert with an error if supplied signed feeBps is greater than\n * the maximum specified, or less than the minimum.\n */\n error InvalidSignedFeeBps(uint256 got, uint256 minimumOrMaximum);\n\n /**\n * @dev Revert with an error if signed mint did not specify to restrict\n * fee recipients.\n */\n error SignedMintsMustRestrictFeeRecipients();\n\n /**\n * @dev Revert with an error if a signature for a signed mint has already\n * been used.\n */\n error SignatureAlreadyUsed();\n\n /**\n * @dev An event with details of a SeaDrop mint, for analytical purposes.\n * \n * @param nftContract The nft contract.\n * @param minter The mint recipient.\n * @param feeRecipient The fee recipient.\n * @param payer The address who payed for the tx.\n * @param quantityMinted The number of tokens minted.\n * @param unitMintPrice The amount paid for each token.\n * @param feeBps The fee out of 10_000 basis points collected.\n * @param dropStageIndex The drop stage index. Items minted\n * through mintPublic() have\n * dropStageIndex of 0.\n */\n event SeaDropMint(\n address indexed nftContract,\n address indexed minter,\n address indexed feeRecipient,\n address payer,\n uint256 quantityMinted,\n uint256 unitMintPrice,\n uint256 feeBps,\n uint256 dropStageIndex\n );\n\n /**\n * @dev An event with updated public drop data for an nft contract.\n */\n event PublicDropUpdated(\n address indexed nftContract,\n PublicDrop publicDrop\n );\n\n /**\n * @dev An event with updated token gated drop stage data\n * for an nft contract.\n */\n event TokenGatedDropStageUpdated(\n address indexed nftContract,\n address indexed allowedNftToken,\n TokenGatedDropStage dropStage\n );\n\n /**\n * @dev An event with updated allow list data for an nft contract.\n * \n * @param nftContract The nft contract.\n * @param previousMerkleRoot The previous allow list merkle root.\n * @param newMerkleRoot The new allow list merkle root.\n * @param publicKeyURI If the allow list is encrypted, the public key\n * URIs that can decrypt the list.\n * Empty if unencrypted.\n * @param allowListURI The URI for the allow list.\n */\n event AllowListUpdated(\n address indexed nftContract,\n bytes32 indexed previousMerkleRoot,\n bytes32 indexed newMerkleRoot,\n string[] publicKeyURI,\n string allowListURI\n );\n\n /**\n * @dev An event with updated drop URI for an nft contract.\n */\n event DropURIUpdated(address indexed nftContract, string newDropURI);\n\n /**\n * @dev An event with the updated creator payout address for an nft\n * contract.\n */\n event CreatorPayoutAddressUpdated(\n address indexed nftContract,\n address indexed newPayoutAddress\n );\n\n /**\n * @dev An event with the updated allowed fee recipient for an nft\n * contract.\n */\n event AllowedFeeRecipientUpdated(\n address indexed nftContract,\n address indexed feeRecipient,\n bool indexed allowed\n );\n\n /**\n * @dev An event with the updated validation parameters for server-side\n * signers.\n */\n event SignedMintValidationParamsUpdated(\n address indexed nftContract,\n address indexed signer,\n SignedMintValidationParams signedMintValidationParams\n ); \n\n /**\n * @dev An event with the updated payer for an nft contract.\n */\n event PayerUpdated(\n address indexed nftContract,\n address indexed payer,\n bool indexed allowed\n );\n}\n"
},
"src/lib/SeaDropStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.17;\n\n/**\n * @notice A struct defining public drop data.\n * Designed to fit efficiently in one storage slot.\n * \n * @param mintPrice The mint price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param startTime The start time, ensure this is not zero.\n * @param endTIme The end time, ensure this is not zero.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed. (The limit for this field is\n * 2^16 - 1)\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct PublicDrop {\n uint80 mintPrice; // 80/256 bits\n uint48 startTime; // 128/256 bits\n uint48 endTime; // 176/256 bits\n uint16 maxTotalMintableByWallet; // 224/256 bits\n uint16 feeBps; // 240/256 bits\n bool restrictFeeRecipients; // 248/256 bits\n}\n\n/**\n * @notice A struct defining token gated drop stage data.\n * Designed to fit efficiently in one storage slot.\n * \n * @param mintPrice The mint price per token. (Up to 1.2m \n * of native token, e.g.: ETH, MATIC)\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed. (The limit for this field is\n * 2^16 - 1)\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param dropStageIndex The drop stage index to emit with the event\n * for analytical purposes. This should be \n * non-zero since the public mint emits\n * with index zero.\n * @param maxTokenSupplyForStage The limit of token supply this stage can\n * mint within. (The limit for this field is\n * 2^16 - 1)\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct TokenGatedDropStage {\n uint80 mintPrice; // 80/256 bits\n uint16 maxTotalMintableByWallet; // 96/256 bits\n uint48 startTime; // 144/256 bits\n uint48 endTime; // 192/256 bits\n uint8 dropStageIndex; // non-zero. 200/256 bits\n uint32 maxTokenSupplyForStage; // 232/256 bits\n uint16 feeBps; // 248/256 bits\n bool restrictFeeRecipients; // 256/256 bits\n}\n\n/**\n * @notice A struct defining mint params for an allow list.\n * An allow list leaf will be composed of `msg.sender` and\n * the following params.\n * \n * Note: Since feeBps is encoded in the leaf, backend should ensure\n * that feeBps is acceptable before generating a proof.\n * \n * @param mintPrice The mint price per token.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param dropStageIndex The drop stage index to emit with the event\n * for analytical purposes. This should be\n * non-zero since the public mint emits with\n * index zero.\n * @param maxTokenSupplyForStage The limit of token supply this stage can\n * mint within.\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct MintParams {\n uint256 mintPrice; \n uint256 maxTotalMintableByWallet;\n uint256 startTime;\n uint256 endTime;\n uint256 dropStageIndex; // non-zero\n uint256 maxTokenSupplyForStage;\n uint256 feeBps;\n bool restrictFeeRecipients;\n}\n\n/**\n * @notice A struct defining token gated mint params.\n * \n * @param allowedNftToken The allowed nft token contract address.\n * @param allowedNftTokenIds The token ids to redeem.\n */\nstruct TokenGatedMintParams {\n address allowedNftToken;\n uint256[] allowedNftTokenIds;\n}\n\n/**\n * @notice A struct defining allow list data (for minting an allow list).\n * \n * @param merkleRoot The merkle root for the allow list.\n * @param publicKeyURIs If the allowListURI is encrypted, a list of URIs\n * pointing to the public keys. Empty if unencrypted.\n * @param allowListURI The URI for the allow list.\n */\nstruct AllowListData {\n bytes32 merkleRoot;\n string[] publicKeyURIs;\n string allowListURI;\n}\n\n/**\n * @notice A struct defining minimum and maximum parameters to validate for \n * signed mints, to minimize negative effects of a compromised signer.\n *\n * @param minMintPrice The minimum mint price allowed.\n * @param maxMaxTotalMintableByWallet The maximum total number of mints allowed\n * by a wallet.\n * @param minStartTime The minimum start time allowed.\n * @param maxEndTime The maximum end time allowed.\n * @param maxMaxTokenSupplyForStage The maximum token supply allowed.\n * @param minFeeBps The minimum fee allowed.\n * @param maxFeeBps The maximum fee allowed.\n */\nstruct SignedMintValidationParams {\n uint80 minMintPrice; // 80/256 bits\n uint24 maxMaxTotalMintableByWallet; // 104/256 bits\n uint40 minStartTime; // 144/256 bits\n uint40 maxEndTime; // 184/256 bits\n uint40 maxMaxTokenSupplyForStage; // 224/256 bits\n uint16 minFeeBps; // 240/256 bits\n uint16 maxFeeBps; // 256/256 bits\n}"
}
},
"settings": {
"remappings": [
"ERC721A-Upgradeable/=lib/ERC721A-Upgradeable/contracts/",
"ERC721A/=lib/ERC721A/contracts/",
"create2-helpers/=lib/create2-helpers/src/",
"create2-scripts/=lib/create2-helpers/script/",
"ds-test/=lib/ds-test/src/",
"erc4626-tests/=lib/operator-filter-registry/lib/openzeppelin-contracts/lib/erc4626-tests/",
"forge-std/=lib/forge-std/src/",
"murky/=lib/murky/src/",
"openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
"operator-filter-registry/=lib/operator-filter-registry/src/",
"seadrop/=src/",
"solmate/=lib/solmate/src/",
"utility-contracts/=lib/utility-contracts/src/"
],
"optimizer": {
"enabled": true,
"runs": 1000000
},
"metadata": {
"bytecodeHash": "none"
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "london",
"libraries": {}
}
}}
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/*
https://sophon.gg
https://twitter.com/sophongg
https://t.me/sophongg
*/
pragma solidity 0.8.25;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
contract sophon is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private bots;
address payable private _marketingWallet;
uint256 private _initialBuyTax=20;
uint256 private _initialSellTax=20;
uint256 private _finalBuyTax=0;
uint256 private _finalSellTax=0;
uint256 private _reduceBuyTaxAt=100;
uint256 private _reduceSellTaxAt=100;
uint256 private _preventSwapBefore=20;
uint256 private _buyCount=0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 888888888 * 10**_decimals;
string private constant _name = unicode"sophon";
string private constant _symbol = unicode"SOPHON";
uint256 public _maxTxAmount = 4444444 * 10**_decimals;
uint256 public _maxWalletSize = 4444444 * 10**_decimals;
uint256 public _taxSwapThreshold= 4444444 * 10**_decimals;
uint256 public _maxTaxSwap= 4444444 * 10**_decimals;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
uint256 private sellCount = 0;
uint256 private lastSellBlock = 0;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_marketingWallet = payable(_msgSender());
_balances[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_marketingWallet] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
uint256 taxAmount=0;
if (from != owner() && to != owner()) {
require(!bots[from] && !bots[to]);
taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
_buyCount++;
}
if(to == uniswapV2Pair && from!= address(this) ){
taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _buyCount > _preventSwapBefore) {
if (block.number > lastSellBlock) {
sellCount = 0;
}
require(sellCount < 3, "Only 3 sells per block!");
swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
sellCount++;
lastSellBlock = block.number;
}
}
if(taxAmount>0){
_balances[address(this)]=_balances[address(this)].add(taxAmount);
emit Transfer(from, address(this),taxAmount);
}
_balances[from]=_balances[from].sub(amount);
_balances[to]=_balances[to].add(amount.sub(taxAmount));
emit Transfer(from, to, amount.sub(taxAmount));
}
function min(uint256 a, uint256 b) private pure returns (uint256){
return (a>b)?b:a;
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function removeLimits() external onlyOwner{
_maxTxAmount = _tTotal;
_maxWalletSize=_tTotal;
emit MaxTxAmountUpdated(_tTotal);
}
function sendETHToFee(uint256 amount) private {
_marketingWallet.transfer(amount);
}
function addBots(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function delBots(address[] memory notbot) public onlyOwner {
for (uint i = 0; i < notbot.length; i++) {
bots[notbot[i]] = false;
}
}
function isBot(address a) public view returns (bool){
return bots[a];
}
function enableTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
swapEnabled = true;
tradingOpen = true;
}
function reduceFee(uint256 _newFee) external{
require(_msgSender()==_marketingWallet);
require(_newFee<=_finalBuyTax && _newFee<=_finalSellTax);
_finalBuyTax=_newFee;
_finalSellTax=_newFee;
}
receive() external payable {}
function manualSwap() external {
require(_msgSender()==_marketingWallet);
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0){
swapTokensForEth(tokenBalance);
}
uint256 ethBalance=address(this).balance;
if(ethBalance>0){
sendETHToFee(ethBalance);
}
}
}
|
1 | 19,498,508 |
c350cd11dd65187043f6c36979d104a1455a9b3b9b1b8cf43785caa692a0bd9c
|
5d7ee6267e23ddb69caad78806a6dbfc051a6f33366c7048f60e52f6ca0697f3
|
da8c0f7c29db4e3f7fd4be86c1e039bf136c853b
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881d4032abe4188e2237efcd27ab435e81fc6bb1
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306a904a97c3e3016d1faf6dead37c822d314866
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|
363d3d373d3d3d363d7322d1a3be57da9e85b6a6edaffd493255cbc7e6905af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,508 |
c350cd11dd65187043f6c36979d104a1455a9b3b9b1b8cf43785caa692a0bd9c
|
e56a81b8d4c11d4aab94f28bff3ecec2087205c7f70fe4d477eef153c12675ec
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|
363d3d373d3d3d363d7337451315dd6d348204183a7eb79e0846a527ec175af43d82803e903d91602b57fd5bf3
| |
1 | 19,498,509 |
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|
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|
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|
48de0b27b9f9a9a229dbe335bd39b382277a7c3e
|
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|
// proxy.sol - execute actions atomically through the proxy's identity
// Copyright (C) 2017 DappHub, LLC
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
pragma solidity ^0.4.23;
contract DSAuthority {
function canCall(
address src, address dst, bytes4 sig
) public view returns (bool);
}
contract DSAuthEvents {
event LogSetAuthority (address indexed authority);
event LogSetOwner (address indexed owner);
}
contract DSAuth is DSAuthEvents {
DSAuthority public authority;
address public owner;
constructor() public {
owner = msg.sender;
emit LogSetOwner(msg.sender);
}
function setOwner(address owner_)
public
auth
{
owner = owner_;
emit LogSetOwner(owner);
}
function setAuthority(DSAuthority authority_)
public
auth
{
authority = authority_;
emit LogSetAuthority(authority);
}
modifier auth {
require(isAuthorized(msg.sender, msg.sig));
_;
}
function isAuthorized(address src, bytes4 sig) internal view returns (bool) {
if (src == address(this)) {
return true;
} else if (src == owner) {
return true;
} else if (authority == DSAuthority(0)) {
return false;
} else {
return authority.canCall(src, this, sig);
}
}
}
contract DSNote {
event LogNote(
bytes4 indexed sig,
address indexed guy,
bytes32 indexed foo,
bytes32 indexed bar,
uint wad,
bytes fax
) anonymous;
modifier note {
bytes32 foo;
bytes32 bar;
assembly {
foo := calldataload(4)
bar := calldataload(36)
}
emit LogNote(msg.sig, msg.sender, foo, bar, msg.value, msg.data);
_;
}
}
// DSProxy
// Allows code execution using a persistant identity This can be very
// useful to execute a sequence of atomic actions. Since the owner of
// the proxy can be changed, this allows for dynamic ownership models
// i.e. a multisig
contract DSProxy is DSAuth, DSNote {
DSProxyCache public cache; // global cache for contracts
constructor(address _cacheAddr) public {
require(setCache(_cacheAddr));
}
function() public payable {
}
// use the proxy to execute calldata _data on contract _code
function execute(bytes _code, bytes _data)
public
payable
returns (address target, bytes32 response)
{
target = cache.read(_code);
if (target == 0x0) {
// deploy contract & store its address in cache
target = cache.write(_code);
}
response = execute(target, _data);
}
function execute(address _target, bytes _data)
public
auth
note
payable
returns (bytes32 response)
{
require(_target != 0x0);
// call contract in current context
assembly {
let succeeded := delegatecall(sub(gas, 5000), _target, add(_data, 0x20), mload(_data), 0, 32)
response := mload(0) // load delegatecall output
switch iszero(succeeded)
case 1 {
// throw if delegatecall failed
revert(0, 0)
}
}
}
//set new cache
function setCache(address _cacheAddr)
public
auth
note
returns (bool)
{
require(_cacheAddr != 0x0); // invalid cache address
cache = DSProxyCache(_cacheAddr); // overwrite cache
return true;
}
}
// DSProxyFactory
// This factory deploys new proxy instances through build()
// Deployed proxy addresses are logged
contract DSProxyFactory {
event Created(address indexed sender, address indexed owner, address proxy, address cache);
mapping(address=>bool) public isProxy;
DSProxyCache public cache = new DSProxyCache();
// deploys a new proxy instance
// sets owner of proxy to caller
function build() public returns (DSProxy proxy) {
proxy = build(msg.sender);
}
// deploys a new proxy instance
// sets custom owner of proxy
function build(address owner) public returns (DSProxy proxy) {
proxy = new DSProxy(cache);
emit Created(msg.sender, owner, address(proxy), address(cache));
proxy.setOwner(owner);
isProxy[proxy] = true;
}
}
// DSProxyCache
// This global cache stores addresses of contracts previously deployed
// by a proxy. This saves gas from repeat deployment of the same
// contracts and eliminates blockchain bloat.
// By default, all proxies deployed from the same factory store
// contracts in the same cache. The cache a proxy instance uses can be
// changed. The cache uses the sha3 hash of a contract's bytecode to
// lookup the address
contract DSProxyCache {
mapping(bytes32 => address) cache;
function read(bytes _code) public view returns (address) {
bytes32 hash = keccak256(_code);
return cache[hash];
}
function write(bytes _code) public returns (address target) {
assembly {
target := create(0, add(_code, 0x20), mload(_code))
switch iszero(extcodesize(target))
case 1 {
// throw if contract failed to deploy
revert(0, 0)
}
}
bytes32 hash = keccak256(_code);
cache[hash] = target;
}
}
|
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{{
"language": "Solidity",
"sources": {
"src/clones/ERC1155SeaDropCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n ERC1155SeaDropContractOffererCloneable\n} from \"./ERC1155SeaDropContractOffererCloneable.sol\";\n\n/**\n * @title ERC1155SeaDropCloneable\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @author Michael Cohen (notmichael.eth)\n * @notice A cloneable ERC1155 token contract that can mint as a\n * Seaport contract offerer.\n */\ncontract ERC1155SeaDropCloneable is ERC1155SeaDropContractOffererCloneable {\n /**\n * @notice Initialize the token contract.\n *\n * @param allowedConfigurer The address of the contract allowed to\n * implementation code. Also contains SeaDrop\n * implementation code.\n * @param allowedSeaport The address of the Seaport contract allowed to\n * interact.\n * @param name_ The name of the token.\n * @param symbol_ The symbol of the token.\n */\n function initialize(\n address allowedConfigurer,\n address allowedSeaport,\n string memory name_,\n string memory symbol_,\n address initialOwner\n ) public initializer {\n // Initialize ownership.\n _initializeOwner(initialOwner);\n\n // Initialize ERC1155SeaDropContractOffererCloneable.\n __ERC1155SeaDropContractOffererCloneable_init(\n allowedConfigurer,\n allowedSeaport,\n name_,\n symbol_\n );\n }\n\n /**\n * @dev Auto-approve the conduit after mint or transfer.\n *\n * @custom:param from The address to transfer from.\n * @param to The address to transfer to.\n * @custom:param ids The token ids to transfer.\n * @custom:param amounts The quantities to transfer.\n * @custom:param data The data to pass if receiver is a contract.\n */\n function _afterTokenTransfer(\n address /* from */,\n address to,\n uint256[] memory /* ids */,\n uint256[] memory /* amounts */,\n bytes memory /* data */\n ) internal virtual override {\n // Auto-approve the conduit.\n if (to != address(0) && !isApprovedForAll(to, _CONDUIT)) {\n _setApprovalForAll(to, _CONDUIT, true);\n }\n }\n\n /**\n * @dev Override this function to return true if `_afterTokenTransfer` is\n * used. The is to help the compiler avoid producing dead bytecode.\n */\n function _useAfterTokenTransfer()\n internal\n view\n virtual\n override\n returns (bool)\n {\n return true;\n }\n\n /**\n * @notice Burns a token, restricted to the owner or approved operator,\n * and must have sufficient balance.\n *\n * @param from The address to burn from.\n * @param id The token id to burn.\n * @param amount The amount to burn.\n */\n function burn(address from, uint256 id, uint256 amount) external {\n // Burn the token.\n _burn(msg.sender, from, id, amount);\n }\n\n /**\n * @notice Burns a batch of tokens, restricted to the owner or\n * approved operator, and must have sufficient balance.\n *\n * @param from The address to burn from.\n * @param ids The token ids to burn.\n * @param amounts The amounts to burn per token id.\n */\n function batchBurn(\n address from,\n uint256[] calldata ids,\n uint256[] calldata amounts\n ) external {\n // Burn the tokens.\n _batchBurn(msg.sender, from, ids, amounts);\n }\n}\n"
},
"src/clones/ERC1155SeaDropContractOffererCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { IERC1155SeaDrop } from \"../interfaces/IERC1155SeaDrop.sol\";\n\nimport { ISeaDropToken } from \"../interfaces/ISeaDropToken.sol\";\n\nimport {\n ERC1155ContractMetadataCloneable\n} from \"./ERC1155ContractMetadataCloneable.sol\";\n\nimport {\n ERC1155SeaDropContractOffererStorage\n} from \"../lib/ERC1155SeaDropContractOffererStorage.sol\";\n\nimport {\n ERC1155SeaDropErrorsAndEvents\n} from \"../lib/ERC1155SeaDropErrorsAndEvents.sol\";\n\nimport { PublicDrop } from \"../lib//ERC1155SeaDropStructs.sol\";\n\nimport { AllowListData } from \"../lib/SeaDropStructs.sol\";\n\nimport {\n ERC1155ConduitPreapproved\n} from \"../lib/ERC1155ConduitPreapproved.sol\";\n\nimport { ERC1155 } from \"solady/src/tokens/ERC1155.sol\";\n\nimport { SpentItem } from \"seaport-types/src/lib/ConsiderationStructs.sol\";\n\nimport {\n ContractOffererInterface\n} from \"seaport-types/src/interfaces/ContractOffererInterface.sol\";\n\nimport {\n IERC165\n} from \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\n/**\n * @title ERC1155SeaDropContractOffererCloneable\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @author Michael Cohen (notmichael.eth)\n * @notice A cloneable ERC1155 token contract that can mint as a\n * Seaport contract offerer.\n */\ncontract ERC1155SeaDropContractOffererCloneable is\n ERC1155ContractMetadataCloneable,\n ERC1155SeaDropErrorsAndEvents\n{\n using ERC1155SeaDropContractOffererStorage for ERC1155SeaDropContractOffererStorage.Layout;\n\n /**\n * @notice Initialize the token contract.\n *\n * @param allowedConfigurer The address of the contract allowed to\n * configure parameters. Also contains SeaDrop\n * implementation code.\n * @param allowedSeaport The address of the Seaport contract allowed to\n * interact.\n * @param name_ The name of the token.\n * @param symbol_ The symbol of the token.\n */\n function __ERC1155SeaDropContractOffererCloneable_init(\n address allowedConfigurer,\n address allowedSeaport,\n string memory name_,\n string memory symbol_\n ) internal onlyInitializing {\n // Set the allowed Seaport to interact with this contract.\n if (allowedSeaport == address(0)) {\n revert AllowedSeaportCannotBeZeroAddress();\n }\n ERC1155SeaDropContractOffererStorage.layout()._allowedSeaport[\n allowedSeaport\n ] = true;\n\n // Set the allowed Seaport enumeration.\n address[] memory enumeratedAllowedSeaport = new address[](1);\n enumeratedAllowedSeaport[0] = allowedSeaport;\n ERC1155SeaDropContractOffererStorage\n .layout()\n ._enumeratedAllowedSeaport = enumeratedAllowedSeaport;\n\n // Emit an event noting the contract deployment.\n emit SeaDropTokenDeployed(SEADROP_TOKEN_TYPE.ERC1155_CLONE);\n\n // Initialize ERC1155ContractMetadataCloneable.\n __ERC1155ContractMetadataCloneable_init(\n allowedConfigurer,\n name_,\n symbol_\n );\n }\n\n /**\n * @notice The fallback function is used as a dispatcher for SeaDrop\n * methods.\n */\n fallback(bytes calldata) external returns (bytes memory output) {\n // Get the function selector.\n bytes4 selector = msg.sig;\n\n // Get the rest of the msg data after the selector.\n bytes calldata data = msg.data[4:];\n\n // Determine if we should forward the call to the implementation\n // contract with SeaDrop logic.\n bool callSeaDropImplementation = selector ==\n ISeaDropToken.updateAllowedSeaport.selector ||\n selector == ISeaDropToken.updateDropURI.selector ||\n selector == ISeaDropToken.updateAllowList.selector ||\n selector == ISeaDropToken.updateCreatorPayouts.selector ||\n selector == ISeaDropToken.updatePayer.selector ||\n selector == ISeaDropToken.updateAllowedFeeRecipient.selector ||\n selector == ISeaDropToken.updateSigner.selector ||\n selector == IERC1155SeaDrop.updatePublicDrop.selector ||\n selector == ContractOffererInterface.previewOrder.selector ||\n selector == ContractOffererInterface.generateOrder.selector ||\n selector == ContractOffererInterface.getSeaportMetadata.selector ||\n selector == IERC1155SeaDrop.getPublicDrop.selector ||\n selector == IERC1155SeaDrop.getPublicDropIndexes.selector ||\n selector == ISeaDropToken.getAllowedSeaport.selector ||\n selector == ISeaDropToken.getCreatorPayouts.selector ||\n selector == ISeaDropToken.getAllowListMerkleRoot.selector ||\n selector == ISeaDropToken.getAllowedFeeRecipients.selector ||\n selector == ISeaDropToken.getSigners.selector ||\n selector == ISeaDropToken.getDigestIsUsed.selector ||\n selector == ISeaDropToken.getPayers.selector;\n\n // Determine if we should require only the owner or configurer calling.\n bool requireOnlyOwnerOrConfigurer = selector ==\n ISeaDropToken.updateAllowedSeaport.selector ||\n selector == ISeaDropToken.updateDropURI.selector ||\n selector == ISeaDropToken.updateAllowList.selector ||\n selector == ISeaDropToken.updateCreatorPayouts.selector ||\n selector == ISeaDropToken.updatePayer.selector ||\n selector == ISeaDropToken.updateAllowedFeeRecipient.selector ||\n selector == IERC1155SeaDrop.updatePublicDrop.selector;\n\n if (callSeaDropImplementation) {\n // For update calls, ensure the sender is only the owner\n // or configurer contract.\n if (requireOnlyOwnerOrConfigurer) {\n _onlyOwnerOrConfigurer();\n } else if (selector == ISeaDropToken.updateSigner.selector) {\n // For updateSigner, a signer can disallow themselves.\n // Get the signer parameter.\n address signer = address(bytes20(data[12:32]));\n // If the signer is not allowed, ensure sender is only owner\n // or configurer.\n if (\n msg.sender != signer ||\n (msg.sender == signer &&\n !ERC1155SeaDropContractOffererStorage\n .layout()\n ._allowedSigners[signer])\n ) {\n _onlyOwnerOrConfigurer();\n }\n }\n\n // Forward the call to the implementation contract.\n (bool success, bytes memory returnedData) = _CONFIGURER\n .delegatecall(msg.data);\n\n // Require that the call was successful.\n if (!success) {\n // Bubble up the revert reason.\n assembly {\n revert(add(32, returnedData), mload(returnedData))\n }\n }\n\n // If the call was to generateOrder, mint the tokens.\n if (selector == ContractOffererInterface.generateOrder.selector) {\n _mintOrder(data);\n }\n\n // Return the data from the delegate call.\n return returnedData;\n } else if (selector == IERC1155SeaDrop.getMintStats.selector) {\n // Get the minter and token id.\n (address minter, uint256 tokenId) = abi.decode(\n data,\n (address, uint256)\n );\n\n // Get the mint stats.\n (\n uint256 minterNumMinted,\n uint256 minterNumMintedForTokenId,\n uint256 totalMintedForTokenId,\n uint256 maxSupply\n ) = _getMintStats(minter, tokenId);\n\n // Encode the return data.\n return\n abi.encode(\n minterNumMinted,\n minterNumMintedForTokenId,\n totalMintedForTokenId,\n maxSupply\n );\n } else if (selector == ContractOffererInterface.ratifyOrder.selector) {\n // This function is a no-op, nothing additional needs to happen here.\n // Utilize assembly to efficiently return the ratifyOrder magic value.\n assembly {\n mstore(0, 0xf4dd92ce)\n return(0x1c, 32)\n }\n } else if (selector == ISeaDropToken.configurer.selector) {\n // Return the configurer contract.\n return abi.encode(_CONFIGURER);\n } else if (selector == IERC1155SeaDrop.multiConfigureMint.selector) {\n // Ensure only the owner or configurer can call this function.\n _onlyOwnerOrConfigurer();\n\n // Mint the tokens.\n _multiConfigureMint(data);\n } else {\n // Revert if the function selector is not supported.\n revert UnsupportedFunctionSelector(selector);\n }\n }\n\n /**\n * @notice Returns a set of mint stats for the address.\n * This assists in enforcing maxSupply, maxTotalMintableByWallet,\n * and maxTokenSupplyForStage checks.\n *\n * @dev NOTE: Implementing contracts should always update these numbers\n * before transferring any tokens with _safeMint() to mitigate\n * consequences of malicious onERC1155Received() hooks.\n *\n * @param minter The minter address.\n * @param tokenId The token id to return the stats for.\n */\n function _getMintStats(\n address minter,\n uint256 tokenId\n )\n internal\n view\n returns (\n uint256 minterNumMinted,\n uint256 minterNumMintedForTokenId,\n uint256 totalMintedForTokenId,\n uint256 maxSupply\n )\n {\n // Put the token supply on the stack.\n TokenSupply storage tokenSupply = _tokenSupply[tokenId];\n\n // Assign the return values.\n totalMintedForTokenId = tokenSupply.totalMinted;\n maxSupply = tokenSupply.maxSupply;\n minterNumMinted = _totalMintedByUser[minter];\n minterNumMintedForTokenId = _totalMintedByUserPerToken[minter][tokenId];\n }\n\n /**\n * @dev Handle ERC-1155 safeTransferFrom. If \"from\" is this contract,\n * the sender can only be Seaport or the conduit.\n *\n * @param from The address to transfer from.\n * @param to The address to transfer to.\n * @param id The token id to transfer.\n * @param amount The amount of tokens to transfer.\n * @param data The data to pass to the onERC1155Received hook.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) public virtual override {\n if (from == address(this)) {\n // Only Seaport or the conduit can use this function\n // when \"from\" is this contract.\n if (\n msg.sender != _CONDUIT &&\n !ERC1155SeaDropContractOffererStorage.layout()._allowedSeaport[\n msg.sender\n ]\n ) {\n revert InvalidCallerOnlyAllowedSeaport(msg.sender);\n }\n return;\n }\n\n ERC1155._safeTransfer(_by(), from, to, id, amount, data);\n }\n\n /**\n * @notice Returns whether the interface is supported.\n *\n * @param interfaceId The interface id to check against.\n */\n function supportsInterface(\n bytes4 interfaceId\n )\n public\n view\n virtual\n override(ERC1155ContractMetadataCloneable)\n returns (bool)\n {\n return\n interfaceId == type(IERC1155SeaDrop).interfaceId ||\n interfaceId == type(ContractOffererInterface).interfaceId ||\n interfaceId == 0x2e778efc || // SIP-5 (getSeaportMetadata)\n // ERC1155ContractMetadata returns supportsInterface true for\n // IERC1155ContractMetadata, ERC-4906, ERC-2981\n // ERC1155A returns supportsInterface true for\n // ERC165, ERC1155, ERC1155MetadataURI\n ERC1155ContractMetadataCloneable.supportsInterface(interfaceId);\n }\n\n /**\n * @dev Internal function to mint tokens during a generateOrder call\n * from Seaport.\n *\n * @param data The original transaction calldata, without the selector.\n */\n function _mintOrder(bytes calldata data) internal {\n // Decode fulfiller, minimumReceived, and context from calldata.\n (\n address fulfiller,\n SpentItem[] memory minimumReceived,\n ,\n bytes memory context\n ) = abi.decode(data, (address, SpentItem[], SpentItem[], bytes));\n\n // Assign the minter from context[22:42]. We validate context has the\n // correct minimum length in the implementation's `_decodeOrder`.\n address minter;\n assembly {\n minter := shr(96, mload(add(add(context, 0x20), 22)))\n }\n\n // If the minter is the zero address, set it to the fulfiller.\n if (minter == address(0)) {\n minter = fulfiller;\n }\n\n // Set the token ids and quantities.\n uint256 minimumReceivedLength = minimumReceived.length;\n uint256[] memory tokenIds = new uint256[](minimumReceivedLength);\n uint256[] memory quantities = new uint256[](minimumReceivedLength);\n for (uint256 i = 0; i < minimumReceivedLength; ) {\n tokenIds[i] = minimumReceived[i].identifier;\n quantities[i] = minimumReceived[i].amount;\n unchecked {\n ++i;\n }\n }\n\n // Mint the tokens.\n _batchMint(minter, tokenIds, quantities, \"\");\n }\n\n /**\n * @dev Internal function to mint tokens during a multiConfigureMint call\n * from the configurer contract.\n *\n * @param data The original transaction calldata, without the selector.\n */\n function _multiConfigureMint(bytes calldata data) internal {\n // Decode the calldata.\n (\n address recipient,\n uint256[] memory tokenIds,\n uint256[] memory amounts\n ) = abi.decode(data, (address, uint256[], uint256[]));\n\n _batchMint(recipient, tokenIds, amounts, \"\");\n }\n}\n"
},
"src/interfaces/IERC1155SeaDrop.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { ISeaDropToken } from \"./ISeaDropToken.sol\";\n\nimport { PublicDrop } from \"../lib/ERC1155SeaDropStructs.sol\";\n\n/**\n * @dev A helper interface to get and set parameters for ERC1155SeaDrop.\n * The token does not expose these methods as part of its external\n * interface to optimize contract size, but does implement them.\n */\ninterface IERC1155SeaDrop is ISeaDropToken {\n /**\n * @notice Update the SeaDrop public drop parameters at a given index.\n *\n * @param publicDrop The new public drop parameters.\n * @param index The public drop index.\n */\n function updatePublicDrop(\n PublicDrop calldata publicDrop,\n uint256 index\n ) external;\n\n /**\n * @notice Returns the public drop stage parameters at a given index.\n *\n * @param index The index of the public drop stage.\n */\n function getPublicDrop(\n uint256 index\n ) external view returns (PublicDrop memory);\n\n /**\n * @notice Returns the public drop indexes.\n */\n function getPublicDropIndexes() external view returns (uint256[] memory);\n\n /**\n * @notice Returns a set of mint stats for the address.\n * This assists SeaDrop in enforcing maxSupply,\n * maxTotalMintableByWallet, maxTotalMintableByWalletPerToken,\n * and maxTokenSupplyForStage checks.\n *\n * @dev NOTE: Implementing contracts should always update these numbers\n * before transferring any tokens with _safeMint() to mitigate\n * consequences of malicious onERC1155Received() hooks.\n *\n * @param minter The minter address.\n * @param tokenId The token id to return stats for.\n */\n function getMintStats(\n address minter,\n uint256 tokenId\n )\n external\n view\n returns (\n uint256 minterNumMinted,\n uint256 minterNumMintedForTokenId,\n uint256 totalMintedForTokenId,\n uint256 maxSupply\n );\n\n /**\n * @notice This function is only allowed to be called by the configurer\n * contract as a way to batch mints and configuration in one tx.\n *\n * @param recipient The address to receive the mints.\n * @param tokenIds The tokenIds to mint.\n * @param amounts The amounts to mint.\n */\n function multiConfigureMint(\n address recipient,\n uint256[] calldata tokenIds,\n uint256[] calldata amounts\n ) external;\n}\n"
},
"src/interfaces/ISeaDropToken.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n ISeaDropTokenContractMetadata\n} from \"./ISeaDropTokenContractMetadata.sol\";\n\nimport { AllowListData, CreatorPayout } from \"../lib/SeaDropStructs.sol\";\n\n/**\n * @dev A helper base interface for IERC721SeaDrop and IERC1155SeaDrop.\n * The token does not expose these methods as part of its external\n * interface to optimize contract size, but does implement them.\n */\ninterface ISeaDropToken is ISeaDropTokenContractMetadata {\n /**\n * @notice Update the SeaDrop allowed Seaport contracts privileged to mint.\n * Only the owner can use this function.\n *\n * @param allowedSeaport The allowed Seaport addresses.\n */\n function updateAllowedSeaport(address[] calldata allowedSeaport) external;\n\n /**\n * @notice Update the SeaDrop allowed fee recipient.\n * Only the owner can use this function.\n *\n * @param feeRecipient The new fee recipient.\n * @param allowed Whether the fee recipient is allowed.\n */\n function updateAllowedFeeRecipient(\n address feeRecipient,\n bool allowed\n ) external;\n\n /**\n * @notice Update the SeaDrop creator payout addresses.\n * The total basis points must add up to exactly 10_000.\n * Only the owner can use this function.\n *\n * @param creatorPayouts The new creator payouts.\n */\n function updateCreatorPayouts(\n CreatorPayout[] calldata creatorPayouts\n ) external;\n\n /**\n * @notice Update the SeaDrop drop URI.\n * Only the owner can use this function.\n *\n * @param dropURI The new drop URI.\n */\n function updateDropURI(string calldata dropURI) external;\n\n /**\n * @notice Update the SeaDrop allow list data.\n * Only the owner can use this function.\n *\n * @param allowListData The new allow list data.\n */\n function updateAllowList(AllowListData calldata allowListData) external;\n\n /**\n * @notice Update the SeaDrop allowed payers.\n * Only the owner can use this function.\n *\n * @param payer The payer to update.\n * @param allowed Whether the payer is allowed.\n */\n function updatePayer(address payer, bool allowed) external;\n\n /**\n * @notice Update the SeaDrop allowed signer.\n * Only the owner can use this function.\n * An allowed signer can also disallow themselves.\n *\n * @param signer The signer to update.\n * @param allowed Whether the signer is allowed.\n */\n function updateSigner(address signer, bool allowed) external;\n\n /**\n * @notice Get the SeaDrop allowed Seaport contracts privileged to mint.\n */\n function getAllowedSeaport() external view returns (address[] memory);\n\n /**\n * @notice Returns the SeaDrop creator payouts.\n */\n function getCreatorPayouts() external view returns (CreatorPayout[] memory);\n\n /**\n * @notice Returns the SeaDrop allow list merkle root.\n */\n function getAllowListMerkleRoot() external view returns (bytes32);\n\n /**\n * @notice Returns the SeaDrop allowed fee recipients.\n */\n function getAllowedFeeRecipients() external view returns (address[] memory);\n\n /**\n * @notice Returns the SeaDrop allowed signers.\n */\n function getSigners() external view returns (address[] memory);\n\n /**\n * @notice Returns if the signed digest has been used.\n *\n * @param digest The digest hash.\n */\n function getDigestIsUsed(bytes32 digest) external view returns (bool);\n\n /**\n * @notice Returns the SeaDrop allowed payers.\n */\n function getPayers() external view returns (address[] memory);\n\n /**\n * @notice Returns the configurer contract.\n */\n function configurer() external view returns (address);\n}\n"
},
"src/clones/ERC1155ContractMetadataCloneable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n IERC1155ContractMetadata\n} from \"../interfaces/IERC1155ContractMetadata.sol\";\n\nimport {\n ERC1155ConduitPreapproved\n} from \"../lib/ERC1155ConduitPreapproved.sol\";\n\nimport { ERC1155 } from \"solady/src/tokens/ERC1155.sol\";\n\nimport { ERC2981 } from \"solady/src/tokens/ERC2981.sol\";\n\nimport { Ownable } from \"solady/src/auth/Ownable.sol\";\n\nimport {\n Initializable\n} from \"@openzeppelin-upgradeable/contracts/proxy/utils/Initializable.sol\";\n\n/**\n * @title ERC1155ContractMetadataCloneable\n * @author James Wenzel (emo.eth)\n * @author Ryan Ghods (ralxz.eth)\n * @author Stephan Min (stephanm.eth)\n * @author Michael Cohen (notmichael.eth)\n * @notice A cloneable token contract that extends ERC-1155\n * with additional metadata and ownership capabilities.\n */\ncontract ERC1155ContractMetadataCloneable is\n ERC1155ConduitPreapproved,\n ERC2981,\n Ownable,\n IERC1155ContractMetadata,\n Initializable\n{\n /// @notice A struct containing the token supply info per token id.\n mapping(uint256 => TokenSupply) _tokenSupply;\n\n /// @notice The total number of tokens minted by address.\n mapping(address => uint256) _totalMintedByUser;\n\n /// @notice The total number of tokens minted per token id by address.\n mapping(address => mapping(uint256 => uint256)) _totalMintedByUserPerToken;\n\n /// @notice The name of the token.\n string internal _name;\n\n /// @notice The symbol of the token.\n string internal _symbol;\n\n /// @notice The base URI for token metadata.\n string internal _baseURI;\n\n /// @notice The contract URI for contract metadata.\n string internal _contractURI;\n\n /// @notice The provenance hash for guaranteeing metadata order\n /// for random reveals.\n bytes32 internal _provenanceHash;\n\n /// @notice The allowed contract that can configure SeaDrop parameters.\n address internal _CONFIGURER;\n\n /**\n * @dev Reverts if the sender is not the owner or the allowed\n * configurer contract.\n *\n * This is used as a function instead of a modifier\n * to save contract space when used multiple times.\n */\n function _onlyOwnerOrConfigurer() internal view {\n if (msg.sender != _CONFIGURER && msg.sender != owner()) {\n revert Unauthorized();\n }\n }\n\n /**\n * @notice Deploy the token contract.\n *\n * @param allowedConfigurer The address of the contract allowed to\n * configure parameters. Also contains SeaDrop\n * implementation code.\n * @param name_ The name of the token.\n * @param symbol_ The symbol of the token.\n */\n function __ERC1155ContractMetadataCloneable_init(\n address allowedConfigurer,\n string memory name_,\n string memory symbol_\n ) internal onlyInitializing {\n // Set the name of the token.\n _name = name_;\n\n // Set the symbol of the token.\n _symbol = symbol_;\n\n // Set the allowed configurer contract to interact with this contract.\n _CONFIGURER = allowedConfigurer;\n }\n\n /**\n * @notice Sets the base URI for the token metadata and emits an event.\n *\n * @param newBaseURI The new base URI to set.\n */\n function setBaseURI(string calldata newBaseURI) external override {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Set the new base URI.\n _baseURI = newBaseURI;\n\n // Emit an event with the update.\n emit BatchMetadataUpdate(0, type(uint256).max);\n }\n\n /**\n * @notice Sets the contract URI for contract metadata.\n *\n * @param newContractURI The new contract URI.\n */\n function setContractURI(string calldata newContractURI) external override {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Set the new contract URI.\n _contractURI = newContractURI;\n\n // Emit an event with the update.\n emit ContractURIUpdated(newContractURI);\n }\n\n /**\n * @notice Emit an event notifying metadata updates for\n * a range of token ids, according to EIP-4906.\n *\n * @param fromTokenId The start token id.\n * @param toTokenId The end token id.\n */\n function emitBatchMetadataUpdate(\n uint256 fromTokenId,\n uint256 toTokenId\n ) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Emit an event with the update.\n if (fromTokenId == toTokenId) {\n // If only one token is being updated, use the event\n // in the 1155 spec.\n emit URI(uri(fromTokenId), fromTokenId);\n } else {\n emit BatchMetadataUpdate(fromTokenId, toTokenId);\n }\n }\n\n /**\n * @notice Sets the max token supply and emits an event.\n *\n * @param tokenId The token id to set the max supply for.\n * @param newMaxSupply The new max supply to set.\n */\n function setMaxSupply(uint256 tokenId, uint256 newMaxSupply) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Ensure the max supply does not exceed the maximum value of uint64,\n // a limit due to the storage of bit-packed variables in TokenSupply,\n if (newMaxSupply > 2 ** 64 - 1) {\n revert CannotExceedMaxSupplyOfUint64(newMaxSupply);\n }\n\n // Set the new max supply.\n _tokenSupply[tokenId].maxSupply = uint64(newMaxSupply);\n\n // Emit an event with the update.\n emit MaxSupplyUpdated(tokenId, newMaxSupply);\n }\n\n /**\n * @notice Sets the provenance hash and emits an event.\n *\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it has not been\n * modified after mint started.\n *\n * This function will revert if the provenance hash has already\n * been set, so be sure to carefully set it only once.\n *\n * @param newProvenanceHash The new provenance hash to set.\n */\n function setProvenanceHash(bytes32 newProvenanceHash) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Keep track of the old provenance hash for emitting with the event.\n bytes32 oldProvenanceHash = _provenanceHash;\n\n // Revert if the provenance hash has already been set.\n if (oldProvenanceHash != bytes32(0)) {\n revert ProvenanceHashCannotBeSetAfterAlreadyBeingSet();\n }\n\n // Set the new provenance hash.\n _provenanceHash = newProvenanceHash;\n\n // Emit an event with the update.\n emit ProvenanceHashUpdated(oldProvenanceHash, newProvenanceHash);\n }\n\n /**\n * @notice Sets the default royalty information.\n *\n * Requirements:\n *\n * - `receiver` cannot be the zero address.\n * - `feeNumerator` cannot be greater than the fee denominator of 10_000 basis points.\n */\n function setDefaultRoyalty(address receiver, uint96 feeNumerator) external {\n // Ensure the sender is only the owner or configurer contract.\n _onlyOwnerOrConfigurer();\n\n // Set the default royalty.\n // ERC2981 implementation ensures feeNumerator <= feeDenominator\n // and receiver != address(0).\n _setDefaultRoyalty(receiver, feeNumerator);\n\n // Emit an event with the updated params.\n emit RoyaltyInfoUpdated(receiver, feeNumerator);\n }\n\n /**\n * @notice Returns the name of the token.\n */\n function name() external view returns (string memory) {\n return _name;\n }\n\n /**\n * @notice Returns the symbol of the token.\n */\n function symbol() external view returns (string memory) {\n return _symbol;\n }\n\n /**\n * @notice Returns the base URI for token metadata.\n */\n function baseURI() external view override returns (string memory) {\n return _baseURI;\n }\n\n /**\n * @notice Returns the contract URI for contract metadata.\n */\n function contractURI() external view override returns (string memory) {\n return _contractURI;\n }\n\n /**\n * @notice Returns the max token supply for a token id.\n */\n function maxSupply(uint256 tokenId) external view returns (uint256) {\n return _tokenSupply[tokenId].maxSupply;\n }\n\n /**\n * @notice Returns the total supply for a token id.\n */\n function totalSupply(uint256 tokenId) external view returns (uint256) {\n return _tokenSupply[tokenId].totalSupply;\n }\n\n /**\n * @notice Returns the total minted for a token id.\n */\n function totalMinted(uint256 tokenId) external view returns (uint256) {\n return _tokenSupply[tokenId].totalMinted;\n }\n\n /**\n * @notice Returns the provenance hash.\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it is unmodified\n * after mint has started.\n */\n function provenanceHash() external view override returns (bytes32) {\n return _provenanceHash;\n }\n\n /**\n * @notice Returns the URI for token metadata.\n *\n * This implementation returns the same URI for *all* token types.\n * It relies on the token type ID substitution mechanism defined\n * in the EIP to replace {id} with the token id.\n *\n * @custom:param tokenId The token id to get the URI for.\n */\n function uri(\n uint256 /* tokenId */\n ) public view virtual override returns (string memory) {\n // Return the base URI.\n return _baseURI;\n }\n\n /**\n * @notice Returns whether the interface is supported.\n *\n * @param interfaceId The interface id to check against.\n */\n function supportsInterface(\n bytes4 interfaceId\n ) public view virtual override(ERC1155, ERC2981) returns (bool) {\n return\n interfaceId == type(IERC1155ContractMetadata).interfaceId ||\n interfaceId == 0x49064906 || // ERC-4906 (MetadataUpdate)\n ERC2981.supportsInterface(interfaceId) ||\n // ERC1155 returns supportsInterface true for\n // ERC165, ERC1155, ERC1155MetadataURI\n ERC1155.supportsInterface(interfaceId);\n }\n\n /**\n * @dev Adds to the internal counters for a mint.\n *\n * @param to The address to mint to.\n * @param id The token id to mint.\n * @param amount The quantity to mint.\n * @param data The data to pass if receiver is a contract.\n */\n function _mint(\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) internal virtual override {\n // Increment mint counts.\n _incrementMintCounts(to, id, amount);\n\n ERC1155._mint(to, id, amount, data);\n }\n\n /**\n * @dev Adds to the internal counters for a batch mint.\n *\n * @param to The address to mint to.\n * @param ids The token ids to mint.\n * @param amounts The quantities to mint.\n * @param data The data to pass if receiver is a contract.\n */\n function _batchMint(\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual override {\n // Put ids length on the stack to save MLOADs.\n uint256 idsLength = ids.length;\n\n for (uint256 i = 0; i < idsLength; ) {\n // Increment mint counts.\n _incrementMintCounts(to, ids[i], amounts[i]);\n\n unchecked {\n ++i;\n }\n }\n\n ERC1155._batchMint(to, ids, amounts, data);\n }\n\n /**\n * @dev Subtracts from the internal counters for a burn.\n *\n * @param by The address calling the burn.\n * @param from The address to burn from.\n * @param id The token id to burn.\n * @param amount The amount to burn.\n */\n function _burn(\n address by,\n address from,\n uint256 id,\n uint256 amount\n ) internal virtual override {\n // Reduce the supply.\n _reduceSupplyOnBurn(id, amount);\n\n ERC1155._burn(by, from, id, amount);\n }\n\n /**\n * @dev Subtracts from the internal counters for a batch burn.\n *\n * @param by The address calling the burn.\n * @param from The address to burn from.\n * @param ids The token ids to burn.\n * @param amounts The amounts to burn.\n */\n function _batchBurn(\n address by,\n address from,\n uint256[] memory ids,\n uint256[] memory amounts\n ) internal virtual override {\n // Put ids length on the stack to save MLOADs.\n uint256 idsLength = ids.length;\n\n for (uint256 i = 0; i < idsLength; ) {\n // Reduce the supply.\n _reduceSupplyOnBurn(ids[i], amounts[i]);\n\n unchecked {\n ++i;\n }\n }\n\n ERC1155._batchBurn(by, from, ids, amounts);\n }\n\n function _reduceSupplyOnBurn(uint256 id, uint256 amount) internal {\n // Get the current token supply.\n TokenSupply storage tokenSupply = _tokenSupply[id];\n\n // Reduce the totalSupply.\n unchecked {\n tokenSupply.totalSupply -= uint64(amount);\n }\n }\n\n /**\n * @dev Internal function to increment mint counts.\n *\n * Note that this function does not check if the mint exceeds\n * maxSupply, which should be validated before this function is called.\n *\n * @param to The address to mint to.\n * @param id The token id to mint.\n * @param amount The quantity to mint.\n */\n function _incrementMintCounts(\n address to,\n uint256 id,\n uint256 amount\n ) internal {\n // Get the current token supply.\n TokenSupply storage tokenSupply = _tokenSupply[id];\n\n if (tokenSupply.totalMinted + amount > tokenSupply.maxSupply) {\n revert MintExceedsMaxSupply(\n tokenSupply.totalMinted + amount,\n tokenSupply.maxSupply\n );\n }\n\n // Increment supply and number minted.\n // Can be unchecked because maxSupply cannot be set to exceed uint64.\n unchecked {\n tokenSupply.totalSupply += uint64(amount);\n tokenSupply.totalMinted += uint64(amount);\n\n // Increment total minted by user.\n _totalMintedByUser[to] += amount;\n\n // Increment total minted by user per token.\n _totalMintedByUserPerToken[to][id] += amount;\n }\n }\n}\n"
},
"src/lib/ERC1155SeaDropContractOffererStorage.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { PublicDrop } from \"./ERC1155SeaDropStructs.sol\";\n\nimport { CreatorPayout } from \"./SeaDropStructs.sol\";\n\nlibrary ERC1155SeaDropContractOffererStorage {\n struct Layout {\n /// @notice The allowed Seaport addresses that can mint.\n mapping(address => bool) _allowedSeaport;\n /// @notice The enumerated allowed Seaport addresses.\n address[] _enumeratedAllowedSeaport;\n /// @notice The public drop data.\n mapping(uint256 => PublicDrop) _publicDrops;\n /// @notice The enumerated public drop indexes.\n uint256[] _enumeratedPublicDropIndexes;\n /// @notice The creator payout addresses and basis points.\n CreatorPayout[] _creatorPayouts;\n /// @notice The allow list merkle root.\n bytes32 _allowListMerkleRoot;\n /// @notice The allowed fee recipients.\n mapping(address => bool) _allowedFeeRecipients;\n /// @notice The enumerated allowed fee recipients.\n address[] _enumeratedFeeRecipients;\n /// @notice The allowed server-side signers.\n mapping(address => bool) _allowedSigners;\n /// @notice The enumerated allowed signers.\n address[] _enumeratedSigners;\n /// @notice The used signature digests.\n mapping(bytes32 => bool) _usedDigests;\n /// @notice The allowed payers.\n mapping(address => bool) _allowedPayers;\n /// @notice The enumerated allowed payers.\n address[] _enumeratedPayers;\n }\n\n bytes32 internal constant STORAGE_SLOT =\n bytes32(\n uint256(\n keccak256(\"contracts.storage.ERC1155SeaDropContractOfferer\")\n ) - 1\n );\n\n function layout() internal pure returns (Layout storage l) {\n bytes32 slot = STORAGE_SLOT;\n assembly {\n l.slot := slot\n }\n }\n}\n"
},
"src/lib/ERC1155SeaDropErrorsAndEvents.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { PublicDrop } from \"./ERC1155SeaDropStructs.sol\";\n\nimport { SeaDropErrorsAndEvents } from \"./SeaDropErrorsAndEvents.sol\";\n\ninterface ERC1155SeaDropErrorsAndEvents is SeaDropErrorsAndEvents {\n /**\n * @dev Revert with an error if an empty PublicDrop is provided\n * for an already-empty public drop.\n */\n error PublicDropStageNotPresent();\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the\n * max minted per wallet for a certain token id.\n */\n error MintQuantityExceedsMaxMintedPerWalletForTokenId(\n uint256 tokenId,\n uint256 total,\n uint256 allowed\n );\n\n /**\n * @dev Revert with an error if the target token id to mint is not within\n * the drop stage range.\n */\n error TokenIdNotWithinDropStageRange(\n uint256 tokenId,\n uint256 startTokenId,\n uint256 endTokenId\n );\n\n /**\n * @notice Revert with an error if the number of maxSupplyAmounts doesn't\n * match the number of maxSupplyTokenIds.\n */\n error MaxSupplyMismatch();\n\n /**\n * @notice Revert with an error if the number of mint tokenIds doesn't\n * match the number of mint amounts.\n */\n error MintAmountsMismatch();\n\n /**\n * @notice Revert with an error if the mint order offer contains\n * a duplicate tokenId.\n */\n error OfferContainsDuplicateTokenId(uint256 tokenId);\n\n /**\n * @dev Revert if the fromTokenId is greater than the toTokenId.\n */\n error InvalidFromAndToTokenId(uint256 fromTokenId, uint256 toTokenId);\n\n /**\n * @notice Revert with an error if the number of publicDropIndexes doesn't\n * match the number of publicDrops.\n */\n error PublicDropsMismatch();\n\n /**\n * @dev An event with updated public drop data.\n */\n event PublicDropUpdated(PublicDrop publicDrop, uint256 index);\n}\n"
},
"src/lib/ERC1155SeaDropStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { AllowListData, CreatorPayout } from \"./SeaDropStructs.sol\";\n\n/**\n * @notice A struct defining public drop data.\n * Designed to fit efficiently in two storage slots.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n * @param paymentToken The payment token address. Null for\n * native token.\n * @param fromTokenId The start token id for the stage.\n * @param toTokenId The end token id for the stage.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed. (The limit for this field is\n * 2^16 - 1)\n * @param maxTotalMintableByWalletPerToken Maximum total number of mints a user\n * is allowed for the token id. (The limit for\n * this field is 2^16 - 1)\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n */\nstruct PublicDrop {\n // slot 1\n uint80 startPrice; // 80/512 bits\n uint80 endPrice; // 160/512 bits\n uint40 startTime; // 200/512 bits\n uint40 endTime; // 240/512 bits\n bool restrictFeeRecipients; // 248/512 bits\n // uint8 unused;\n\n // slot 2\n address paymentToken; // 408/512 bits\n uint24 fromTokenId; // 432/512 bits\n uint24 toTokenId; // 456/512 bits\n uint16 maxTotalMintableByWallet; // 472/512 bits\n uint16 maxTotalMintableByWalletPerToken; // 488/512 bits\n uint16 feeBps; // 504/512 bits\n}\n\n/**\n * @notice A struct defining mint params for an allow list.\n * An allow list leaf will be composed of `msg.sender` and\n * the following params.\n *\n * Note: Since feeBps is encoded in the leaf, backend should ensure\n * that feeBps is acceptable before generating a proof.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param paymentToken The payment token for the mint. Null for\n * native token.\n * @param fromTokenId The start token id for the stage.\n * @param toTokenId The end token id for the stage.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed.\n * @param maxTotalMintableByWalletPerToken Maximum total number of mints a user\n * is allowed for the token id.\n * @param maxTokenSupplyForStage The limit of token supply this stage can\n * mint within.\n * @param dropStageIndex The drop stage index to emit with the event\n * for analytical purposes. This should be\n * non-zero since the public mint emits with\n * index zero.\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct MintParams {\n uint256 startPrice;\n uint256 endPrice;\n uint256 startTime;\n uint256 endTime;\n address paymentToken;\n uint256 fromTokenId;\n uint256 toTokenId;\n uint256 maxTotalMintableByWallet;\n uint256 maxTotalMintableByWalletPerToken;\n uint256 maxTokenSupplyForStage;\n uint256 dropStageIndex; // non-zero\n uint256 feeBps;\n bool restrictFeeRecipients;\n}\n\n/**\n * @dev Struct containing internal SeaDrop implementation logic\n * mint details to avoid stack too deep.\n *\n * @param feeRecipient The fee recipient.\n * @param payer The payer of the mint.\n * @param minter The mint recipient.\n * @param tokenIds The tokenIds to mint.\n * @param quantities The number of tokens to mint per tokenId.\n * @param withEffects Whether to apply state changes of the mint.\n */\nstruct MintDetails {\n address feeRecipient;\n address payer;\n address minter;\n uint256[] tokenIds;\n uint256[] quantities;\n bool withEffects;\n}\n\n/**\n * @notice A struct to configure multiple contract options in one transaction.\n */\nstruct MultiConfigureStruct {\n uint256[] maxSupplyTokenIds;\n uint256[] maxSupplyAmounts;\n string baseURI;\n string contractURI;\n PublicDrop[] publicDrops;\n uint256[] publicDropsIndexes;\n string dropURI;\n AllowListData allowListData;\n CreatorPayout[] creatorPayouts;\n bytes32 provenanceHash;\n address[] allowedFeeRecipients;\n address[] disallowedFeeRecipients;\n address[] allowedPayers;\n address[] disallowedPayers;\n // Server-signed\n address[] allowedSigners;\n address[] disallowedSigners;\n // ERC-2981\n address royaltyReceiver;\n uint96 royaltyBps;\n // Mint\n address mintRecipient;\n uint256[] mintTokenIds;\n uint256[] mintAmounts;\n}\n"
},
"src/lib/SeaDropStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\n/**\n * @notice A struct defining a creator payout address and basis points.\n *\n * @param payoutAddress The payout address.\n * @param basisPoints The basis points to pay out to the creator.\n * The total creator payouts must equal 10_000 bps.\n */\nstruct CreatorPayout {\n address payoutAddress;\n uint16 basisPoints;\n}\n\n/**\n * @notice A struct defining allow list data (for minting an allow list).\n *\n * @param merkleRoot The merkle root for the allow list.\n * @param publicKeyURIs If the allowListURI is encrypted, a list of URIs\n * pointing to the public keys. Empty if unencrypted.\n * @param allowListURI The URI for the allow list.\n */\nstruct AllowListData {\n bytes32 merkleRoot;\n string[] publicKeyURIs;\n string allowListURI;\n}\n"
},
"src/lib/ERC1155ConduitPreapproved.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { ERC1155 } from \"solady/src/tokens/ERC1155.sol\";\n\n/**\n * @title ERC1155ConduitPreapproved\n * @notice Solady's ERC1155 with the OpenSea conduit preapproved.\n */\nabstract contract ERC1155ConduitPreapproved is ERC1155 {\n /// @dev The canonical OpenSea conduit.\n address internal constant _CONDUIT =\n 0x1E0049783F008A0085193E00003D00cd54003c71;\n\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) public virtual override {\n _safeTransfer(_by(), from, to, id, amount, data);\n }\n\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) public virtual override {\n _safeBatchTransfer(_by(), from, to, ids, amounts, data);\n }\n\n function isApprovedForAll(\n address owner,\n address operator\n ) public view virtual override returns (bool) {\n if (operator == _CONDUIT) return true;\n return ERC1155.isApprovedForAll(owner, operator);\n }\n\n function _by() internal view returns (address result) {\n assembly {\n // `msg.sender == _CONDUIT ? address(0) : msg.sender`.\n result := mul(iszero(eq(caller(), _CONDUIT)), caller())\n }\n }\n}\n"
},
"lib/solady/src/tokens/ERC1155.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\n/// @notice Simple ERC1155 implementation.\n/// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC1155.sol)\n/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)\n/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/tree/master/contracts/token/ERC1155/ERC1155.sol)\n///\n/// @dev Note:\n/// The ERC1155 standard allows for self-approvals.\n/// For performance, this implementation WILL NOT revert for such actions.\n/// Please add any checks with overrides if desired.\nabstract contract ERC1155 {\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* CUSTOM ERRORS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The lengths of the input arrays are not the same.\n error ArrayLengthsMismatch();\n\n /// @dev Cannot mint or transfer to the zero address.\n error TransferToZeroAddress();\n\n /// @dev The recipient's balance has overflowed.\n error AccountBalanceOverflow();\n\n /// @dev Insufficient balance.\n error InsufficientBalance();\n\n /// @dev Only the token owner or an approved account can manage the tokens.\n error NotOwnerNorApproved();\n\n /// @dev Cannot safely transfer to a contract that does not implement\n /// the ERC1155Receiver interface.\n error TransferToNonERC1155ReceiverImplementer();\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* EVENTS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Emitted when `amount` of token `id` is transferred\n /// from `from` to `to` by `operator`.\n event TransferSingle(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256 id,\n uint256 amount\n );\n\n /// @dev Emitted when `amounts` of token `ids` are transferred\n /// from `from` to `to` by `operator`.\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] amounts\n );\n\n /// @dev Emitted when `owner` enables or disables `operator` to manage all of their tokens.\n event ApprovalForAll(address indexed owner, address indexed operator, bool isApproved);\n\n /// @dev Emitted when the Uniform Resource Identifier (URI) for token `id`\n /// is updated to `value`. This event is not used in the base contract.\n /// You may need to emit this event depending on your URI logic.\n ///\n /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata\n event URI(string value, uint256 indexed id);\n\n /// @dev `keccak256(bytes(\"TransferSingle(address,address,address,uint256,uint256)\"))`.\n uint256 private constant _TRANSFER_SINGLE_EVENT_SIGNATURE =\n 0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62;\n\n /// @dev `keccak256(bytes(\"TransferBatch(address,address,address,uint256[],uint256[])\"))`.\n uint256 private constant _TRANSFER_BATCH_EVENT_SIGNATURE =\n 0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb;\n\n /// @dev `keccak256(bytes(\"ApprovalForAll(address,address,bool)\"))`.\n uint256 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE =\n 0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* STORAGE */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The `ownerSlotSeed` of a given owner is given by.\n /// ```\n /// let ownerSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner))\n /// ```\n ///\n /// The balance slot of `owner` is given by.\n /// ```\n /// mstore(0x20, ownerSlotSeed)\n /// mstore(0x00, id)\n /// let balanceSlot := keccak256(0x00, 0x40)\n /// ```\n ///\n /// The operator approval slot of `owner` is given by.\n /// ```\n /// mstore(0x20, ownerSlotSeed)\n /// mstore(0x00, operator)\n /// let operatorApprovalSlot := keccak256(0x0c, 0x34)\n /// ```\n uint256 private constant _ERC1155_MASTER_SLOT_SEED = 0x9a31110384e0b0c9;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* ERC1155 METADATA */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Returns the URI for token `id`.\n ///\n /// You can either return the same templated URI for all token IDs,\n /// (e.g. \"https://example.com/api/{id}.json\"),\n /// or return a unique URI for each `id`.\n ///\n /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata\n function uri(uint256 id) public view virtual returns (string memory);\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* ERC1155 */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Returns the amount of `id` owned by `owner`.\n function balanceOf(address owner, uint256 id) public view virtual returns (uint256 result) {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, owner)\n mstore(0x00, id)\n result := sload(keccak256(0x00, 0x40))\n }\n }\n\n /// @dev Returns whether `operator` is approved to manage the tokens of `owner`.\n function isApprovedForAll(address owner, address operator)\n public\n view\n virtual\n returns (bool result)\n {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, owner)\n mstore(0x00, operator)\n result := sload(keccak256(0x0c, 0x34))\n }\n }\n\n /// @dev Sets whether `operator` is approved to manage the tokens of the caller.\n ///\n /// Emits a {ApprovalForAll} event.\n function setApprovalForAll(address operator, bool isApproved) public virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Convert to 0 or 1.\n isApproved := iszero(iszero(isApproved))\n // Update the `isApproved` for (`msg.sender`, `operator`).\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, caller())\n mstore(0x00, operator)\n sstore(keccak256(0x0c, 0x34), isApproved)\n // Emit the {ApprovalForAll} event.\n mstore(0x00, isApproved)\n // forgefmt: disable-next-line\n log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), shr(96, shl(96, operator)))\n }\n }\n\n /// @dev Transfers `amount` of `id` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `from` must have at least `amount` of `id`.\n /// - If the caller is not `from`,\n /// it must be approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.\n ///\n /// Emits a {Transfer} event.\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) public virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))\n let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))\n mstore(0x20, fromSlotSeed)\n // Clear the upper 96 bits.\n from := shr(96, fromSlotSeed)\n to := shr(96, toSlotSeed)\n // Revert if `to` is the zero address.\n if iszero(to) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // If the caller is not `from`, do the authorization check.\n if iszero(eq(caller(), from)) {\n mstore(0x00, caller())\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x00, id)\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, toSlotSeed)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n // Emit a {TransferSingle} event.\n mstore(0x20, amount)\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, to)\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n // Do the {onERC1155Received} check if `to` is a smart contract.\n if extcodesize(to) {\n // Prepare the calldata.\n let m := mload(0x40)\n // `onERC1155Received(address,address,uint256,uint256,bytes)`.\n mstore(m, 0xf23a6e61)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), from)\n mstore(add(m, 0x60), id)\n mstore(add(m, 0x80), amount)\n mstore(add(m, 0xa0), 0xa0)\n calldatacopy(add(m, 0xc0), sub(data.offset, 0x20), add(0x20, data.length))\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, data.length), m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xf23a6e61))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n }\n\n /// @dev Transfers `amounts` of `ids` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `from` must have at least `amount` of `id`.\n /// - `ids` and `amounts` must have the same length.\n /// - If the caller is not `from`,\n /// it must be approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.\n ///\n /// Emits a {TransferBatch} event.\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) public virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(ids.length, amounts.length)) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))\n let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))\n mstore(0x20, fromSlotSeed)\n // Clear the upper 96 bits.\n from := shr(96, fromSlotSeed)\n to := shr(96, toSlotSeed)\n // Revert if `to` is the zero address.\n if iszero(to) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // If the caller is not `from`, do the authorization check.\n if iszero(eq(caller(), from)) {\n mstore(0x00, caller())\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Loop through all the `ids` and update the balances.\n {\n let end := shl(5, ids.length)\n for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {\n let amount := calldataload(add(amounts.offset, i))\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x20, fromSlotSeed)\n mstore(0x00, calldataload(add(ids.offset, i)))\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, toSlotSeed)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, ids.length))\n let o := add(m, 0x40)\n calldatacopy(o, sub(ids.offset, 0x20), n)\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, n))\n o := add(o, n)\n n := add(0x20, shl(5, amounts.length))\n calldatacopy(o, sub(amounts.offset, 0x20), n)\n n := sub(add(o, n), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, to)\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransferCalldata(from, to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n // Do the {onERC1155BatchReceived} check if `to` is a smart contract.\n if extcodesize(to) {\n let m := mload(0x40)\n // Prepare the calldata.\n // `onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)`.\n mstore(m, 0xbc197c81)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), from)\n // Copy the `ids`.\n mstore(add(m, 0x60), 0xa0)\n let n := add(0x20, shl(5, ids.length))\n let o := add(m, 0xc0)\n calldatacopy(o, sub(ids.offset, 0x20), n)\n // Copy the `amounts`.\n let s := add(0xa0, n)\n mstore(add(m, 0x80), s)\n o := add(o, n)\n n := add(0x20, shl(5, amounts.length))\n calldatacopy(o, sub(amounts.offset, 0x20), n)\n // Copy the `data`.\n mstore(add(m, 0xa0), add(s, n))\n o := add(o, n)\n n := add(0x20, data.length)\n calldatacopy(o, sub(data.offset, 0x20), n)\n n := sub(add(o, n), add(m, 0x1c))\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xbc197c81))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n }\n\n /// @dev Returns the amounts of `ids` for `owners.\n ///\n /// Requirements:\n /// - `owners` and `ids` must have the same length.\n function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)\n public\n view\n virtual\n returns (uint256[] memory balances)\n {\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(ids.length, owners.length)) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n balances := mload(0x40)\n mstore(balances, ids.length)\n let o := add(balances, 0x20)\n let end := shl(5, ids.length)\n mstore(0x40, add(end, o))\n // Loop through all the `ids` and load the balances.\n for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {\n let owner := calldataload(add(owners.offset, i))\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)))\n mstore(0x00, calldataload(add(ids.offset, i)))\n mstore(add(o, i), sload(keccak256(0x00, 0x40)))\n }\n }\n }\n\n /// @dev Returns true if this contract implements the interface defined by `interfaceId`.\n /// See: https://eips.ethereum.org/EIPS/eip-165\n /// This function call must use less than 30000 gas.\n function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {\n /// @solidity memory-safe-assembly\n assembly {\n let s := shr(224, interfaceId)\n // ERC165: 0x01ffc9a7, ERC1155: 0xd9b67a26, ERC1155MetadataURI: 0x0e89341c.\n result := or(or(eq(s, 0x01ffc9a7), eq(s, 0xd9b67a26)), eq(s, 0x0e89341c))\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL MINT FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Mints `amount` of `id` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.\n ///\n /// Emits a {Transfer} event.\n function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(address(0), to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, to)\n mstore(0x00, id)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n // Emit a {TransferSingle} event.\n mstore(0x00, id)\n mstore(0x20, amount)\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), 0, shr(96, to_))\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(address(0), to, _single(id), _single(amount), data);\n }\n if (_hasCode(to)) _checkOnERC1155Received(address(0), to, id, amount, data);\n }\n\n /// @dev Mints `amounts` of `ids` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `ids` and `amounts` must have the same length.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.\n ///\n /// Emits a {TransferBatch} event.\n function _batchMint(\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(address(0), to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(mload(ids), mload(amounts))) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n // Loop through all the `ids` and update the balances.\n {\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, to_))\n let end := shl(5, mload(ids))\n for { let i := 0 } iszero(eq(i, end)) {} {\n i := add(i, 0x20)\n let amount := mload(add(amounts, i))\n // Increase and store the updated balance of `to`.\n {\n mstore(0x00, mload(add(ids, i)))\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0x40)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n n := sub(add(o, returndatasize()), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), 0, shr(96, to_))\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(address(0), to, ids, amounts, data);\n }\n if (_hasCode(to)) _checkOnERC1155BatchReceived(address(0), to, ids, amounts, data);\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL BURN FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Equivalent to `_burn(address(0), from, id, amount)`.\n function _burn(address from, uint256 id, uint256 amount) internal virtual {\n _burn(address(0), from, id, amount);\n }\n\n /// @dev Destroys `amount` of `id` from `from`.\n ///\n /// Requirements:\n /// - `from` must have at least `amount` of `id`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n ///\n /// Emits a {Transfer} event.\n function _burn(address by, address from, uint256 id, uint256 amount) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, address(0), _single(id), _single(amount), \"\");\n }\n /// @solidity memory-safe-assembly\n assembly {\n let from_ := shl(96, from)\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n if iszero(or(iszero(shl(96, by)), eq(shl(96, by), from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Decrease and store the updated balance of `from`.\n {\n mstore(0x00, id)\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Emit a {TransferSingle} event.\n mstore(0x00, id)\n mstore(0x20, amount)\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), shr(96, from_), 0)\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, address(0), _single(id), _single(amount), \"\");\n }\n }\n\n /// @dev Equivalent to `_batchBurn(address(0), from, ids, amounts)`.\n function _batchBurn(address from, uint256[] memory ids, uint256[] memory amounts)\n internal\n virtual\n {\n _batchBurn(address(0), from, ids, amounts);\n }\n\n /// @dev Destroys `amounts` of `ids` from `from`.\n ///\n /// Requirements:\n /// - `ids` and `amounts` must have the same length.\n /// - `from` must have at least `amounts` of `ids`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n ///\n /// Emits a {TransferBatch} event.\n function _batchBurn(address by, address from, uint256[] memory ids, uint256[] memory amounts)\n internal\n virtual\n {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, address(0), ids, amounts, \"\");\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(mload(ids), mload(amounts))) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let from_ := shl(96, from)\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n let by_ := shl(96, by)\n if iszero(or(iszero(by_), eq(by_, from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Loop through all the `ids` and update the balances.\n {\n let end := shl(5, mload(ids))\n for { let i := 0 } iszero(eq(i, end)) {} {\n i := add(i, 0x20)\n let amount := mload(add(amounts, i))\n // Decrease and store the updated balance of `to`.\n {\n mstore(0x00, mload(add(ids, i)))\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0x40)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n n := sub(add(o, returndatasize()), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), shr(96, from_), 0)\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, address(0), ids, amounts, \"\");\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL APPROVAL FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Approve or remove the `operator` as an operator for `by`,\n /// without authorization checks.\n ///\n /// Emits a {ApprovalForAll} event.\n function _setApprovalForAll(address by, address operator, bool isApproved) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Convert to 0 or 1.\n isApproved := iszero(iszero(isApproved))\n // Update the `isApproved` for (`by`, `operator`).\n mstore(0x20, _ERC1155_MASTER_SLOT_SEED)\n mstore(0x14, by)\n mstore(0x00, operator)\n sstore(keccak256(0x0c, 0x34), isApproved)\n // Emit the {ApprovalForAll} event.\n mstore(0x00, isApproved)\n let m := shr(96, not(0))\n log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, and(m, by), and(m, operator))\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL TRANSFER FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Equivalent to `_safeTransfer(address(0), from, to, id, amount, data)`.\n function _safeTransfer(address from, address to, uint256 id, uint256 amount, bytes memory data)\n internal\n virtual\n {\n _safeTransfer(address(0), from, to, id, amount, data);\n }\n\n /// @dev Transfers `amount` of `id` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `from` must have at least `amount` of `id`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.\n ///\n /// Emits a {Transfer} event.\n function _safeTransfer(\n address by,\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n let from_ := shl(96, from)\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n let by_ := shl(96, by)\n if iszero(or(iszero(by_), eq(by_, from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x00, id)\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, to_))\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n // Emit a {TransferSingle} event.\n mstore(0x20, amount)\n // forgefmt: disable-next-line\n log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), shr(96, from_), shr(96, to_))\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, _single(id), _single(amount), data);\n }\n if (_hasCode(to)) _checkOnERC1155Received(from, to, id, amount, data);\n }\n\n /// @dev Equivalent to `_safeBatchTransfer(address(0), from, to, ids, amounts, data)`.\n function _safeBatchTransfer(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n _safeBatchTransfer(address(0), from, to, ids, amounts, data);\n }\n\n /// @dev Transfers `amounts` of `ids` from `from` to `to`.\n ///\n /// Requirements:\n /// - `to` cannot be the zero address.\n /// - `ids` and `amounts` must have the same length.\n /// - `from` must have at least `amounts` of `ids`.\n /// - If `by` is not the zero address, it must be either `from`,\n /// or approved to manage the tokens of `from`.\n /// - If `to` refers to a smart contract, it must implement\n /// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.\n ///\n /// Emits a {TransferBatch} event.\n function _safeBatchTransfer(\n address by,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n if (_useBeforeTokenTransfer()) {\n _beforeTokenTransfer(from, to, ids, amounts, data);\n }\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(eq(mload(ids), mload(amounts))) {\n mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.\n revert(0x1c, 0x04)\n }\n let from_ := shl(96, from)\n let to_ := shl(96, to)\n // Revert if `to` is the zero address.\n if iszero(to_) {\n mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.\n revert(0x1c, 0x04)\n }\n let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, from_)\n let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, to_)\n mstore(0x20, fromSlotSeed)\n // If `by` is not the zero address, and not equal to `from`,\n // check if it is approved to manage all the tokens of `from`.\n let by_ := shl(96, by)\n if iszero(or(iszero(by_), eq(by_, from_))) {\n mstore(0x00, by)\n if iszero(sload(keccak256(0x0c, 0x34))) {\n mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.\n revert(0x1c, 0x04)\n }\n }\n // Loop through all the `ids` and update the balances.\n {\n let end := shl(5, mload(ids))\n for { let i := 0 } iszero(eq(i, end)) {} {\n i := add(i, 0x20)\n let amount := mload(add(amounts, i))\n // Subtract and store the updated balance of `from`.\n {\n mstore(0x20, fromSlotSeed)\n mstore(0x00, mload(add(ids, i)))\n let fromBalanceSlot := keccak256(0x00, 0x40)\n let fromBalance := sload(fromBalanceSlot)\n if gt(amount, fromBalance) {\n mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.\n revert(0x1c, 0x04)\n }\n sstore(fromBalanceSlot, sub(fromBalance, amount))\n }\n // Increase and store the updated balance of `to`.\n {\n mstore(0x20, toSlotSeed)\n let toBalanceSlot := keccak256(0x00, 0x40)\n let toBalanceBefore := sload(toBalanceSlot)\n let toBalanceAfter := add(toBalanceBefore, amount)\n if lt(toBalanceAfter, toBalanceBefore) {\n mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.\n revert(0x1c, 0x04)\n }\n sstore(toBalanceSlot, toBalanceAfter)\n }\n }\n }\n // Emit a {TransferBatch} event.\n {\n let m := mload(0x40)\n // Copy the `ids`.\n mstore(m, 0x40)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0x40)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n mstore(add(m, 0x20), add(0x40, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n n := sub(add(o, returndatasize()), m)\n // Do the emit.\n log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), shr(96, from_), shr(96, to_))\n }\n }\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, ids, amounts, data);\n }\n if (_hasCode(to)) _checkOnERC1155BatchReceived(from, to, ids, amounts, data);\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* HOOKS FOR OVERRIDING */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Override this function to return true if `_beforeTokenTransfer` is used.\n /// The is to help the compiler avoid producing dead bytecode.\n function _useBeforeTokenTransfer() internal view virtual returns (bool) {\n return false;\n }\n\n /// @dev Hook that is called before any token transfer.\n /// This includes minting and burning, as well as batched variants.\n ///\n /// The same hook is called on both single and batched variants.\n /// For single transfers, the length of the `id` and `amount` arrays are 1.\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n\n /// @dev Override this function to return true if `_afterTokenTransfer` is used.\n /// The is to help the compiler avoid producing dead bytecode.\n function _useAfterTokenTransfer() internal view virtual returns (bool) {\n return false;\n }\n\n /// @dev Hook that is called after any token transfer.\n /// This includes minting and burning, as well as batched variants.\n ///\n /// The same hook is called on both single and batched variants.\n /// For single transfers, the length of the `id` and `amount` arrays are 1.\n function _afterTokenTransfer(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* PRIVATE HELPERS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Helper for calling the `_afterTokenTransfer` hook.\n /// The is to help the compiler avoid producing dead bytecode.\n function _afterTokenTransferCalldata(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) private {\n if (_useAfterTokenTransfer()) {\n _afterTokenTransfer(from, to, ids, amounts, data);\n }\n }\n\n /// @dev Returns if `a` has bytecode of non-zero length.\n function _hasCode(address a) private view returns (bool result) {\n /// @solidity memory-safe-assembly\n assembly {\n result := extcodesize(a) // Can handle dirty upper bits.\n }\n }\n\n /// @dev Perform a call to invoke {IERC1155Receiver-onERC1155Received} on `to`.\n /// Reverts if the target does not support the function correctly.\n function _checkOnERC1155Received(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) private {\n /// @solidity memory-safe-assembly\n assembly {\n // Prepare the calldata.\n let m := mload(0x40)\n // `onERC1155Received(address,address,uint256,uint256,bytes)`.\n mstore(m, 0xf23a6e61)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), shr(96, shl(96, from)))\n mstore(add(m, 0x60), id)\n mstore(add(m, 0x80), amount)\n mstore(add(m, 0xa0), 0xa0)\n let n := mload(data)\n mstore(add(m, 0xc0), n)\n if n { pop(staticcall(gas(), 4, add(data, 0x20), n, add(m, 0xe0), n)) }\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, n), m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xf23a6e61))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n\n /// @dev Perform a call to invoke {IERC1155Receiver-onERC1155BatchReceived} on `to`.\n /// Reverts if the target does not support the function correctly.\n function _checkOnERC1155BatchReceived(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) private {\n /// @solidity memory-safe-assembly\n assembly {\n // Prepare the calldata.\n let m := mload(0x40)\n // `onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)`.\n mstore(m, 0xbc197c81)\n mstore(add(m, 0x20), caller())\n mstore(add(m, 0x40), shr(96, shl(96, from)))\n // Copy the `ids`.\n mstore(add(m, 0x60), 0xa0)\n let n := add(0x20, shl(5, mload(ids)))\n let o := add(m, 0xc0)\n pop(staticcall(gas(), 4, ids, n, o, n))\n // Copy the `amounts`.\n let s := add(0xa0, returndatasize())\n mstore(add(m, 0x80), s)\n o := add(o, returndatasize())\n n := add(0x20, shl(5, mload(amounts)))\n pop(staticcall(gas(), 4, amounts, n, o, n))\n // Copy the `data`.\n mstore(add(m, 0xa0), add(s, returndatasize()))\n o := add(o, returndatasize())\n n := add(0x20, mload(data))\n pop(staticcall(gas(), 4, data, n, o, n))\n n := sub(add(o, returndatasize()), add(m, 0x1c))\n // Revert if the call reverts.\n if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {\n if returndatasize() {\n // Bubble up the revert if the call reverts.\n returndatacopy(0x00, 0x00, returndatasize())\n revert(0x00, returndatasize())\n }\n mstore(m, 0)\n }\n // Load the returndata and compare it with the function selector.\n if iszero(eq(mload(m), shl(224, 0xbc197c81))) {\n mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.\n revert(0x1c, 0x04)\n }\n }\n }\n\n /// @dev Returns `x` in an array with a single element.\n function _single(uint256 x) private pure returns (uint256[] memory result) {\n assembly {\n result := mload(0x40)\n mstore(0x40, add(result, 0x40))\n mstore(result, 1)\n mstore(add(result, 0x20), x)\n }\n }\n}\n"
},
"lib/seaport/lib/seaport-types/src/lib/ConsiderationStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {\n BasicOrderType,\n ItemType,\n OrderType,\n Side\n} from \"./ConsiderationEnums.sol\";\n\nimport {\n CalldataPointer,\n MemoryPointer\n} from \"../helpers/PointerLibraries.sol\";\n\n/**\n * @dev An order contains eleven components: an offerer, a zone (or account that\n * can cancel the order or restrict who can fulfill the order depending on\n * the type), the order type (specifying partial fill support as well as\n * restricted order status), the start and end time, a hash that will be\n * provided to the zone when validating restricted orders, a salt, a key\n * corresponding to a given conduit, a counter, and an arbitrary number of\n * offer items that can be spent along with consideration items that must\n * be received by their respective recipient.\n */\nstruct OrderComponents {\n address offerer;\n address zone;\n OfferItem[] offer;\n ConsiderationItem[] consideration;\n OrderType orderType;\n uint256 startTime;\n uint256 endTime;\n bytes32 zoneHash;\n uint256 salt;\n bytes32 conduitKey;\n uint256 counter;\n}\n\n/**\n * @dev An offer item has five components: an item type (ETH or other native\n * tokens, ERC20, ERC721, and ERC1155, as well as criteria-based ERC721 and\n * ERC1155), a token address, a dual-purpose \"identifierOrCriteria\"\n * component that will either represent a tokenId or a merkle root\n * depending on the item type, and a start and end amount that support\n * increasing or decreasing amounts over the duration of the respective\n * order.\n */\nstruct OfferItem {\n ItemType itemType;\n address token;\n uint256 identifierOrCriteria;\n uint256 startAmount;\n uint256 endAmount;\n}\n\n/**\n * @dev A consideration item has the same five components as an offer item and\n * an additional sixth component designating the required recipient of the\n * item.\n */\nstruct ConsiderationItem {\n ItemType itemType;\n address token;\n uint256 identifierOrCriteria;\n uint256 startAmount;\n uint256 endAmount;\n address payable recipient;\n}\n\n/**\n * @dev A spent item is translated from a utilized offer item and has four\n * components: an item type (ETH or other native tokens, ERC20, ERC721, and\n * ERC1155), a token address, a tokenId, and an amount.\n */\nstruct SpentItem {\n ItemType itemType;\n address token;\n uint256 identifier;\n uint256 amount;\n}\n\n/**\n * @dev A received item is translated from a utilized consideration item and has\n * the same four components as a spent item, as well as an additional fifth\n * component designating the required recipient of the item.\n */\nstruct ReceivedItem {\n ItemType itemType;\n address token;\n uint256 identifier;\n uint256 amount;\n address payable recipient;\n}\n\n/**\n * @dev For basic orders involving ETH / native / ERC20 <=> ERC721 / ERC1155\n * matching, a group of six functions may be called that only requires a\n * subset of the usual order arguments. Note the use of a \"basicOrderType\"\n * enum; this represents both the usual order type as well as the \"route\"\n * of the basic order (a simple derivation function for the basic order\n * type is `basicOrderType = orderType + (4 * basicOrderRoute)`.)\n */\nstruct BasicOrderParameters {\n // calldata offset\n address considerationToken; // 0x24\n uint256 considerationIdentifier; // 0x44\n uint256 considerationAmount; // 0x64\n address payable offerer; // 0x84\n address zone; // 0xa4\n address offerToken; // 0xc4\n uint256 offerIdentifier; // 0xe4\n uint256 offerAmount; // 0x104\n BasicOrderType basicOrderType; // 0x124\n uint256 startTime; // 0x144\n uint256 endTime; // 0x164\n bytes32 zoneHash; // 0x184\n uint256 salt; // 0x1a4\n bytes32 offererConduitKey; // 0x1c4\n bytes32 fulfillerConduitKey; // 0x1e4\n uint256 totalOriginalAdditionalRecipients; // 0x204\n AdditionalRecipient[] additionalRecipients; // 0x224\n bytes signature; // 0x244\n // Total length, excluding dynamic array data: 0x264 (580)\n}\n\n/**\n * @dev Basic orders can supply any number of additional recipients, with the\n * implied assumption that they are supplied from the offered ETH (or other\n * native token) or ERC20 token for the order.\n */\nstruct AdditionalRecipient {\n uint256 amount;\n address payable recipient;\n}\n\n/**\n * @dev The full set of order components, with the exception of the counter,\n * must be supplied when fulfilling more sophisticated orders or groups of\n * orders. The total number of original consideration items must also be\n * supplied, as the caller may specify additional consideration items.\n */\nstruct OrderParameters {\n address offerer; // 0x00\n address zone; // 0x20\n OfferItem[] offer; // 0x40\n ConsiderationItem[] consideration; // 0x60\n OrderType orderType; // 0x80\n uint256 startTime; // 0xa0\n uint256 endTime; // 0xc0\n bytes32 zoneHash; // 0xe0\n uint256 salt; // 0x100\n bytes32 conduitKey; // 0x120\n uint256 totalOriginalConsiderationItems; // 0x140\n // offer.length // 0x160\n}\n\n/**\n * @dev Orders require a signature in addition to the other order parameters.\n */\nstruct Order {\n OrderParameters parameters;\n bytes signature;\n}\n\n/**\n * @dev Advanced orders include a numerator (i.e. a fraction to attempt to fill)\n * and a denominator (the total size of the order) in addition to the\n * signature and other order parameters. It also supports an optional field\n * for supplying extra data; this data will be provided to the zone if the\n * order type is restricted and the zone is not the caller, or will be\n * provided to the offerer as context for contract order types.\n */\nstruct AdvancedOrder {\n OrderParameters parameters;\n uint120 numerator;\n uint120 denominator;\n bytes signature;\n bytes extraData;\n}\n\n/**\n * @dev Orders can be validated (either explicitly via `validate`, or as a\n * consequence of a full or partial fill), specifically cancelled (they can\n * also be cancelled in bulk via incrementing a per-zone counter), and\n * partially or fully filled (with the fraction filled represented by a\n * numerator and denominator).\n */\nstruct OrderStatus {\n bool isValidated;\n bool isCancelled;\n uint120 numerator;\n uint120 denominator;\n}\n\n/**\n * @dev A criteria resolver specifies an order, side (offer vs. consideration),\n * and item index. It then provides a chosen identifier (i.e. tokenId)\n * alongside a merkle proof demonstrating the identifier meets the required\n * criteria.\n */\nstruct CriteriaResolver {\n uint256 orderIndex;\n Side side;\n uint256 index;\n uint256 identifier;\n bytes32[] criteriaProof;\n}\n\n/**\n * @dev A fulfillment is applied to a group of orders. It decrements a series of\n * offer and consideration items, then generates a single execution\n * element. A given fulfillment can be applied to as many offer and\n * consideration items as desired, but must contain at least one offer and\n * at least one consideration that match. The fulfillment must also remain\n * consistent on all key parameters across all offer items (same offerer,\n * token, type, tokenId, and conduit preference) as well as across all\n * consideration items (token, type, tokenId, and recipient).\n */\nstruct Fulfillment {\n FulfillmentComponent[] offerComponents;\n FulfillmentComponent[] considerationComponents;\n}\n\n/**\n * @dev Each fulfillment component contains one index referencing a specific\n * order and another referencing a specific offer or consideration item.\n */\nstruct FulfillmentComponent {\n uint256 orderIndex;\n uint256 itemIndex;\n}\n\n/**\n * @dev An execution is triggered once all consideration items have been zeroed\n * out. It sends the item in question from the offerer to the item's\n * recipient, optionally sourcing approvals from either this contract\n * directly or from the offerer's chosen conduit if one is specified. An\n * execution is not provided as an argument, but rather is derived via\n * orders, criteria resolvers, and fulfillments (where the total number of\n * executions will be less than or equal to the total number of indicated\n * fulfillments) and returned as part of `matchOrders`.\n */\nstruct Execution {\n ReceivedItem item;\n address offerer;\n bytes32 conduitKey;\n}\n\n/**\n * @dev Restricted orders are validated post-execution by calling validateOrder\n * on the zone. This struct provides context about the order fulfillment\n * and any supplied extraData, as well as all order hashes fulfilled in a\n * call to a match or fulfillAvailable method.\n */\nstruct ZoneParameters {\n bytes32 orderHash;\n address fulfiller;\n address offerer;\n SpentItem[] offer;\n ReceivedItem[] consideration;\n bytes extraData;\n bytes32[] orderHashes;\n uint256 startTime;\n uint256 endTime;\n bytes32 zoneHash;\n}\n\n/**\n * @dev Zones and contract offerers can communicate which schemas they implement\n * along with any associated metadata related to each schema.\n */\nstruct Schema {\n uint256 id;\n bytes metadata;\n}\n\nusing StructPointers for OrderComponents global;\nusing StructPointers for OfferItem global;\nusing StructPointers for ConsiderationItem global;\nusing StructPointers for SpentItem global;\nusing StructPointers for ReceivedItem global;\nusing StructPointers for BasicOrderParameters global;\nusing StructPointers for AdditionalRecipient global;\nusing StructPointers for OrderParameters global;\nusing StructPointers for Order global;\nusing StructPointers for AdvancedOrder global;\nusing StructPointers for OrderStatus global;\nusing StructPointers for CriteriaResolver global;\nusing StructPointers for Fulfillment global;\nusing StructPointers for FulfillmentComponent global;\nusing StructPointers for Execution global;\nusing StructPointers for ZoneParameters global;\n\n/**\n * @dev This library provides a set of functions for converting structs to\n * pointers.\n */\nlibrary StructPointers {\n /**\n * @dev Get a MemoryPointer from OrderComponents.\n *\n * @param obj The OrderComponents object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OrderComponents memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OrderComponents.\n *\n * @param obj The OrderComponents object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OrderComponents calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from OfferItem.\n *\n * @param obj The OfferItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OfferItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OfferItem.\n *\n * @param obj The OfferItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OfferItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from ConsiderationItem.\n *\n * @param obj The ConsiderationItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n ConsiderationItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from ConsiderationItem.\n *\n * @param obj The ConsiderationItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n ConsiderationItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from SpentItem.\n *\n * @param obj The SpentItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n SpentItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from SpentItem.\n *\n * @param obj The SpentItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n SpentItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from ReceivedItem.\n *\n * @param obj The ReceivedItem object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n ReceivedItem memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from ReceivedItem.\n *\n * @param obj The ReceivedItem object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n ReceivedItem calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from BasicOrderParameters.\n *\n * @param obj The BasicOrderParameters object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n BasicOrderParameters memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from BasicOrderParameters.\n *\n * @param obj The BasicOrderParameters object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n BasicOrderParameters calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from AdditionalRecipient.\n *\n * @param obj The AdditionalRecipient object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n AdditionalRecipient memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from AdditionalRecipient.\n *\n * @param obj The AdditionalRecipient object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n AdditionalRecipient calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from OrderParameters.\n *\n * @param obj The OrderParameters object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OrderParameters memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OrderParameters.\n *\n * @param obj The OrderParameters object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OrderParameters calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from Order.\n *\n * @param obj The Order object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n Order memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from Order.\n *\n * @param obj The Order object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n Order calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from AdvancedOrder.\n *\n * @param obj The AdvancedOrder object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n AdvancedOrder memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from AdvancedOrder.\n *\n * @param obj The AdvancedOrder object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n AdvancedOrder calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from OrderStatus.\n *\n * @param obj The OrderStatus object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n OrderStatus memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from OrderStatus.\n *\n * @param obj The OrderStatus object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n OrderStatus calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from CriteriaResolver.\n *\n * @param obj The CriteriaResolver object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n CriteriaResolver memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from CriteriaResolver.\n *\n * @param obj The CriteriaResolver object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n CriteriaResolver calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from Fulfillment.\n *\n * @param obj The Fulfillment object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n Fulfillment memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from Fulfillment.\n *\n * @param obj The Fulfillment object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n Fulfillment calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from FulfillmentComponent.\n *\n * @param obj The FulfillmentComponent object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n FulfillmentComponent memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from FulfillmentComponent.\n *\n * @param obj The FulfillmentComponent object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n FulfillmentComponent calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from Execution.\n *\n * @param obj The Execution object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n Execution memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from Execution.\n *\n * @param obj The Execution object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n Execution calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a MemoryPointer from ZoneParameters.\n *\n * @param obj The ZoneParameters object.\n *\n * @return ptr The MemoryPointer.\n */\n function toMemoryPointer(\n ZoneParameters memory obj\n ) internal pure returns (MemoryPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n\n /**\n * @dev Get a CalldataPointer from ZoneParameters.\n *\n * @param obj The ZoneParameters object.\n *\n * @return ptr The CalldataPointer.\n */\n function toCalldataPointer(\n ZoneParameters calldata obj\n ) internal pure returns (CalldataPointer ptr) {\n assembly {\n ptr := obj\n }\n }\n}\n"
},
"lib/seaport/lib/seaport-types/src/interfaces/ContractOffererInterface.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {ReceivedItem, Schema, SpentItem} from \"../lib/ConsiderationStructs.sol\";\nimport {IERC165} from \"../interfaces/IERC165.sol\";\n\n/**\n * @title ContractOffererInterface\n * @notice Contains the minimum interfaces needed to interact with a contract\n * offerer.\n */\ninterface ContractOffererInterface is IERC165 {\n /**\n * @dev Generates an order with the specified minimum and maximum spent\n * items, and optional context (supplied as extraData).\n *\n * @param fulfiller The address of the fulfiller.\n * @param minimumReceived The minimum items that the caller is willing to\n * receive.\n * @param maximumSpent The maximum items the caller is willing to spend.\n * @param context Additional context of the order.\n *\n * @return offer A tuple containing the offer items.\n * @return consideration A tuple containing the consideration items.\n */\n function generateOrder(\n address fulfiller,\n SpentItem[] calldata minimumReceived,\n SpentItem[] calldata maximumSpent,\n bytes calldata context // encoded based on the schemaID\n ) external returns (SpentItem[] memory offer, ReceivedItem[] memory consideration);\n\n /**\n * @dev Ratifies an order with the specified offer, consideration, and\n * optional context (supplied as extraData).\n *\n * @param offer The offer items.\n * @param consideration The consideration items.\n * @param context Additional context of the order.\n * @param orderHashes The hashes to ratify.\n * @param contractNonce The nonce of the contract.\n *\n * @return ratifyOrderMagicValue The magic value returned by the contract\n * offerer.\n */\n function ratifyOrder(\n SpentItem[] calldata offer,\n ReceivedItem[] calldata consideration,\n bytes calldata context, // encoded based on the schemaID\n bytes32[] calldata orderHashes,\n uint256 contractNonce\n ) external returns (bytes4 ratifyOrderMagicValue);\n\n /**\n * @dev View function to preview an order generated in response to a minimum\n * set of received items, maximum set of spent items, and context\n * (supplied as extraData).\n *\n * @param caller The address of the caller (e.g. Seaport).\n * @param fulfiller The address of the fulfiller (e.g. the account\n * calling Seaport).\n * @param minimumReceived The minimum items that the caller is willing to\n * receive.\n * @param maximumSpent The maximum items the caller is willing to spend.\n * @param context Additional context of the order.\n *\n * @return offer A tuple containing the offer items.\n * @return consideration A tuple containing the consideration items.\n */\n function previewOrder(\n address caller,\n address fulfiller,\n SpentItem[] calldata minimumReceived,\n SpentItem[] calldata maximumSpent,\n bytes calldata context // encoded based on the schemaID\n ) external view returns (SpentItem[] memory offer, ReceivedItem[] memory consideration);\n\n /**\n * @dev Gets the metadata for this contract offerer.\n *\n * @return name The name of the contract offerer.\n * @return schemas The schemas supported by the contract offerer.\n */\n function getSeaportMetadata() external view returns (string memory name, Schema[] memory schemas); // map to Seaport Improvement Proposal IDs\n\n function supportsInterface(bytes4 interfaceId) external view override returns (bool);\n\n // Additional functions and/or events based on implemented schemaIDs\n}\n"
},
"lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.19;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"src/interfaces/ISeaDropTokenContractMetadata.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\ninterface ISeaDropTokenContractMetadata {\n /**\n * @dev Emit an event for token metadata reveals/updates,\n * according to EIP-4906.\n *\n * @param _fromTokenId The start token id.\n * @param _toTokenId The end token id.\n */\n event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);\n\n /**\n * @dev Emit an event when the URI for the collection-level metadata\n * is updated.\n */\n event ContractURIUpdated(string newContractURI);\n\n /**\n * @dev Emit an event with the previous and new provenance hash after\n * being updated.\n */\n event ProvenanceHashUpdated(bytes32 previousHash, bytes32 newHash);\n\n /**\n * @dev Emit an event when the EIP-2981 royalty info is updated.\n */\n event RoyaltyInfoUpdated(address receiver, uint256 basisPoints);\n\n /**\n * @notice Throw if the max supply exceeds uint64, a limit\n * due to the storage of bit-packed variables.\n */\n error CannotExceedMaxSupplyOfUint64(uint256 got);\n\n /**\n * @dev Revert with an error when attempting to set the provenance\n * hash after the mint has started.\n */\n error ProvenanceHashCannotBeSetAfterMintStarted();\n\n /**\n * @dev Revert with an error when attempting to set the provenance\n * hash after it has already been set.\n */\n error ProvenanceHashCannotBeSetAfterAlreadyBeingSet();\n\n /**\n * @notice Sets the base URI for the token metadata and emits an event.\n *\n * @param tokenURI The new base URI to set.\n */\n function setBaseURI(string calldata tokenURI) external;\n\n /**\n * @notice Sets the contract URI for contract metadata.\n *\n * @param newContractURI The new contract URI.\n */\n function setContractURI(string calldata newContractURI) external;\n\n /**\n * @notice Sets the provenance hash and emits an event.\n *\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it has not been\n * modified after mint started.\n *\n * This function will revert after the first item has been minted.\n *\n * @param newProvenanceHash The new provenance hash to set.\n */\n function setProvenanceHash(bytes32 newProvenanceHash) external;\n\n /**\n * @notice Sets the default royalty information.\n *\n * Requirements:\n *\n * - `receiver` cannot be the zero address.\n * - `feeNumerator` cannot be greater than the fee denominator of\n * 10_000 basis points.\n */\n function setDefaultRoyalty(address receiver, uint96 feeNumerator) external;\n\n /**\n * @notice Returns the base URI for token metadata.\n */\n function baseURI() external view returns (string memory);\n\n /**\n * @notice Returns the contract URI.\n */\n function contractURI() external view returns (string memory);\n\n /**\n * @notice Returns the provenance hash.\n * The provenance hash is used for random reveals, which\n * is a hash of the ordered metadata to show it is unmodified\n * after mint has started.\n */\n function provenanceHash() external view returns (bytes32);\n}\n"
},
"src/interfaces/IERC1155ContractMetadata.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport {\n ISeaDropTokenContractMetadata\n} from \"./ISeaDropTokenContractMetadata.sol\";\n\ninterface IERC1155ContractMetadata is ISeaDropTokenContractMetadata {\n /**\n * @dev A struct representing the supply info for a token id,\n * packed into one storage slot.\n *\n * @param maxSupply The max supply for the token id.\n * @param totalSupply The total token supply for the token id.\n * Subtracted when an item is burned.\n * @param totalMinted The total number of tokens minted for the token id.\n */\n struct TokenSupply {\n uint64 maxSupply; // 64/256 bits\n uint64 totalSupply; // 128/256 bits\n uint64 totalMinted; // 192/256 bits\n }\n\n /**\n * @dev Emit an event when the max token supply for a token id is updated.\n */\n event MaxSupplyUpdated(uint256 tokenId, uint256 newMaxSupply);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply.\n */\n error MintExceedsMaxSupply(uint256 total, uint256 maxSupply);\n\n /**\n * @notice Sets the max supply for a token id and emits an event.\n *\n * @param tokenId The token id to set the max supply for.\n * @param newMaxSupply The new max supply to set.\n */\n function setMaxSupply(uint256 tokenId, uint256 newMaxSupply) external;\n\n /**\n * @notice Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @notice Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @notice Returns the max token supply for a token id.\n */\n function maxSupply(uint256 tokenId) external view returns (uint256);\n\n /**\n * @notice Returns the total supply for a token id.\n */\n function totalSupply(uint256 tokenId) external view returns (uint256);\n\n /**\n * @notice Returns the total minted for a token id.\n */\n function totalMinted(uint256 tokenId) external view returns (uint256);\n}\n"
},
"lib/solady/src/tokens/ERC2981.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\n/// @notice Simple ERC2981 NFT Royalty Standard implementation.\n/// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC2981.sol)\n/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/common/ERC2981.sol)\nabstract contract ERC2981 {\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* CUSTOM ERRORS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The royalty fee numerator exceeds the fee denominator.\n error RoyaltyOverflow();\n\n /// @dev The royalty receiver cannot be the zero address.\n error RoyaltyReceiverIsZeroAddress();\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* STORAGE */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The default royalty info is given by:\n /// ```\n /// let packed := sload(_ERC2981_MASTER_SLOT_SEED)\n /// let receiver := shr(96, packed)\n /// let royaltyFraction := xor(packed, shl(96, receiver))\n /// ```\n ///\n /// The per token royalty info is given by.\n /// ```\n /// mstore(0x00, tokenId)\n /// mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n /// let packed := sload(keccak256(0x00, 0x40))\n /// let receiver := shr(96, packed)\n /// let royaltyFraction := xor(packed, shl(96, receiver))\n /// ```\n uint256 private constant _ERC2981_MASTER_SLOT_SEED = 0xaa4ec00224afccfdb7;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* ERC2981 */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Checks that `_feeDenominator` is non-zero.\n constructor() {\n require(_feeDenominator() != 0, \"Fee denominator cannot be zero.\");\n }\n\n /// @dev Returns the denominator for the royalty amount.\n /// Defaults to 10000, which represents fees in basis points.\n /// Override this function to return a custom amount if needed.\n function _feeDenominator() internal pure virtual returns (uint96) {\n return 10000;\n }\n\n /// @dev Returns true if this contract implements the interface defined by `interfaceId`.\n /// See: https://eips.ethereum.org/EIPS/eip-165\n /// This function call must use less than 30000 gas.\n function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {\n /// @solidity memory-safe-assembly\n assembly {\n let s := shr(224, interfaceId)\n // ERC165: 0x01ffc9a7, ERC2981: 0x2a55205a.\n result := or(eq(s, 0x01ffc9a7), eq(s, 0x2a55205a))\n }\n }\n\n /// @dev Returns the `receiver` and `royaltyAmount` for `tokenId` sold at `salePrice`.\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n public\n view\n virtual\n returns (address receiver, uint256 royaltyAmount)\n {\n uint256 feeDenominator = _feeDenominator();\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, tokenId)\n mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n let packed := sload(keccak256(0x00, 0x40))\n receiver := shr(96, packed)\n if iszero(receiver) {\n packed := sload(mload(0x20))\n receiver := shr(96, packed)\n }\n let x := salePrice\n let y := xor(packed, shl(96, receiver)) // `feeNumerator`.\n // Overflow check, equivalent to `require(y == 0 || x <= type(uint256).max / y)`.\n // Out-of-gas revert. Should not be triggered in practice, but included for safety.\n returndatacopy(returndatasize(), returndatasize(), mul(y, gt(x, div(not(0), y))))\n royaltyAmount := div(mul(x, y), feeDenominator)\n }\n }\n\n /// @dev Sets the default royalty `receiver` and `feeNumerator`.\n ///\n /// Requirements:\n /// - `receiver` must not be the zero address.\n /// - `feeNumerator` must not be greater than the fee denominator.\n function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {\n uint256 feeDenominator = _feeDenominator();\n /// @solidity memory-safe-assembly\n assembly {\n feeNumerator := shr(160, shl(160, feeNumerator))\n if gt(feeNumerator, feeDenominator) {\n mstore(0x00, 0x350a88b3) // `RoyaltyOverflow()`.\n revert(0x1c, 0x04)\n }\n let packed := shl(96, receiver)\n if iszero(packed) {\n mstore(0x00, 0xb4457eaa) // `RoyaltyReceiverIsZeroAddress()`.\n revert(0x1c, 0x04)\n }\n sstore(_ERC2981_MASTER_SLOT_SEED, or(packed, feeNumerator))\n }\n }\n\n /// @dev Sets the default royalty `receiver` and `feeNumerator` to zero.\n function _deleteDefaultRoyalty() internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n sstore(_ERC2981_MASTER_SLOT_SEED, 0)\n }\n }\n\n /// @dev Sets the royalty `receiver` and `feeNumerator` for `tokenId`.\n ///\n /// Requirements:\n /// - `receiver` must not be the zero address.\n /// - `feeNumerator` must not be greater than the fee denominator.\n function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator)\n internal\n virtual\n {\n uint256 feeDenominator = _feeDenominator();\n /// @solidity memory-safe-assembly\n assembly {\n feeNumerator := shr(160, shl(160, feeNumerator))\n if gt(feeNumerator, feeDenominator) {\n mstore(0x00, 0x350a88b3) // `RoyaltyOverflow()`.\n revert(0x1c, 0x04)\n }\n let packed := shl(96, receiver)\n if iszero(packed) {\n mstore(0x00, 0xb4457eaa) // `RoyaltyReceiverIsZeroAddress()`.\n revert(0x1c, 0x04)\n }\n mstore(0x00, tokenId)\n mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n sstore(keccak256(0x00, 0x40), or(packed, feeNumerator))\n }\n }\n\n /// @dev Sets the royalty `receiver` and `feeNumerator` for `tokenId` to zero.\n function _resetTokenRoyalty(uint256 tokenId) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, tokenId)\n mstore(0x20, _ERC2981_MASTER_SLOT_SEED)\n sstore(keccak256(0x00, 0x40), 0)\n }\n }\n}\n"
},
"lib/solady/src/auth/Ownable.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\n/// @notice Simple single owner authorization mixin.\n/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)\n/// @dev While the ownable portion follows\n/// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility,\n/// the nomenclature for the 2-step ownership handover may be unique to this codebase.\nabstract contract Ownable {\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* CUSTOM ERRORS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The caller is not authorized to call the function.\n error Unauthorized();\n\n /// @dev The `newOwner` cannot be the zero address.\n error NewOwnerIsZeroAddress();\n\n /// @dev The `pendingOwner` does not have a valid handover request.\n error NoHandoverRequest();\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* EVENTS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The ownership is transferred from `oldOwner` to `newOwner`.\n /// This event is intentionally kept the same as OpenZeppelin's Ownable to be\n /// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173),\n /// despite it not being as lightweight as a single argument event.\n event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);\n\n /// @dev An ownership handover to `pendingOwner` has been requested.\n event OwnershipHandoverRequested(address indexed pendingOwner);\n\n /// @dev The ownership handover to `pendingOwner` has been canceled.\n event OwnershipHandoverCanceled(address indexed pendingOwner);\n\n /// @dev `keccak256(bytes(\"OwnershipTransferred(address,address)\"))`.\n uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE =\n 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0;\n\n /// @dev `keccak256(bytes(\"OwnershipHandoverRequested(address)\"))`.\n uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE =\n 0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d;\n\n /// @dev `keccak256(bytes(\"OwnershipHandoverCanceled(address)\"))`.\n uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE =\n 0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* STORAGE */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev The owner slot is given by: `not(_OWNER_SLOT_NOT)`.\n /// It is intentionally chosen to be a high value\n /// to avoid collision with lower slots.\n /// The choice of manual storage layout is to enable compatibility\n /// with both regular and upgradeable contracts.\n uint256 private constant _OWNER_SLOT_NOT = 0x8b78c6d8;\n\n /// The ownership handover slot of `newOwner` is given by:\n /// ```\n /// mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED))\n /// let handoverSlot := keccak256(0x00, 0x20)\n /// ```\n /// It stores the expiry timestamp of the two-step ownership handover.\n uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1;\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* INTERNAL FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Initializes the owner directly without authorization guard.\n /// This function must be called upon initialization,\n /// regardless of whether the contract is upgradeable or not.\n /// This is to enable generalization to both regular and upgradeable contracts,\n /// and to save gas in case the initial owner is not the caller.\n /// For performance reasons, this function will not check if there\n /// is an existing owner.\n function _initializeOwner(address newOwner) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Clean the upper 96 bits.\n newOwner := shr(96, shl(96, newOwner))\n // Store the new value.\n sstore(not(_OWNER_SLOT_NOT), newOwner)\n // Emit the {OwnershipTransferred} event.\n log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)\n }\n }\n\n /// @dev Sets the owner directly without authorization guard.\n function _setOwner(address newOwner) internal virtual {\n /// @solidity memory-safe-assembly\n assembly {\n let ownerSlot := not(_OWNER_SLOT_NOT)\n // Clean the upper 96 bits.\n newOwner := shr(96, shl(96, newOwner))\n // Emit the {OwnershipTransferred} event.\n log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)\n // Store the new value.\n sstore(ownerSlot, newOwner)\n }\n }\n\n /// @dev Throws if the sender is not the owner.\n function _checkOwner() internal view virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // If the caller is not the stored owner, revert.\n if iszero(eq(caller(), sload(not(_OWNER_SLOT_NOT)))) {\n mstore(0x00, 0x82b42900) // `Unauthorized()`.\n revert(0x1c, 0x04)\n }\n }\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* PUBLIC UPDATE FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Allows the owner to transfer the ownership to `newOwner`.\n function transferOwnership(address newOwner) public payable virtual onlyOwner {\n /// @solidity memory-safe-assembly\n assembly {\n if iszero(shl(96, newOwner)) {\n mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`.\n revert(0x1c, 0x04)\n }\n }\n _setOwner(newOwner);\n }\n\n /// @dev Allows the owner to renounce their ownership.\n function renounceOwnership() public payable virtual onlyOwner {\n _setOwner(address(0));\n }\n\n /// @dev Request a two-step ownership handover to the caller.\n /// The request will automatically expire in 48 hours (172800 seconds) by default.\n function requestOwnershipHandover() public payable virtual {\n unchecked {\n uint256 expires = block.timestamp + ownershipHandoverValidFor();\n /// @solidity memory-safe-assembly\n assembly {\n // Compute and set the handover slot to `expires`.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, caller())\n sstore(keccak256(0x0c, 0x20), expires)\n // Emit the {OwnershipHandoverRequested} event.\n log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller())\n }\n }\n }\n\n /// @dev Cancels the two-step ownership handover to the caller, if any.\n function cancelOwnershipHandover() public payable virtual {\n /// @solidity memory-safe-assembly\n assembly {\n // Compute and set the handover slot to 0.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, caller())\n sstore(keccak256(0x0c, 0x20), 0)\n // Emit the {OwnershipHandoverCanceled} event.\n log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller())\n }\n }\n\n /// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`.\n /// Reverts if there is no existing ownership handover requested by `pendingOwner`.\n function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner {\n /// @solidity memory-safe-assembly\n assembly {\n // Compute and set the handover slot to 0.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, pendingOwner)\n let handoverSlot := keccak256(0x0c, 0x20)\n // If the handover does not exist, or has expired.\n if gt(timestamp(), sload(handoverSlot)) {\n mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`.\n revert(0x1c, 0x04)\n }\n // Set the handover slot to 0.\n sstore(handoverSlot, 0)\n }\n _setOwner(pendingOwner);\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* PUBLIC READ FUNCTIONS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Returns the owner of the contract.\n function owner() public view virtual returns (address result) {\n /// @solidity memory-safe-assembly\n assembly {\n result := sload(not(_OWNER_SLOT_NOT))\n }\n }\n\n /// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`.\n function ownershipHandoverExpiresAt(address pendingOwner)\n public\n view\n virtual\n returns (uint256 result)\n {\n /// @solidity memory-safe-assembly\n assembly {\n // Compute the handover slot.\n mstore(0x0c, _HANDOVER_SLOT_SEED)\n mstore(0x00, pendingOwner)\n // Load the handover slot.\n result := sload(keccak256(0x0c, 0x20))\n }\n }\n\n /// @dev Returns how long a two-step ownership handover is valid for in seconds.\n function ownershipHandoverValidFor() public view virtual returns (uint64) {\n return 48 * 3600;\n }\n\n /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/\n /* MODIFIERS */\n /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/\n\n /// @dev Marks a function as only callable by the owner.\n modifier onlyOwner() virtual {\n _checkOwner();\n _;\n }\n}\n"
},
"lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.19;\n\nimport \"../../utils/AddressUpgradeable.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```solidity\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n *\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n */\n uint8 private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint8 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts.\n *\n * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a\n * constructor.\n *\n * Emits an {Initialized} event.\n */\n modifier initializer() {\n bool isTopLevelCall = !_initializing;\n require(\n (isTopLevelCall && _initialized < 1) || (address(this).code.length == 0 && _initialized == 1),\n \"Initializable: contract is already initialized\"\n );\n _initialized = 1;\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * A reinitializer may be used after the original initialization step. This is essential to configure modules that\n * are added through upgrades and that require initialization.\n *\n * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n * cannot be nested. If one is invoked in the context of another, execution will revert.\n *\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n *\n * WARNING: setting the version to 255 will prevent any future reinitialization.\n *\n * Emits an {Initialized} event.\n */\n modifier reinitializer(uint8 version) {\n require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n _initialized = version;\n _initializing = true;\n _;\n _initializing = false;\n emit Initialized(version);\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n */\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n /**\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n *\n * Emits an {Initialized} event the first time it is successfully executed.\n */\n function _disableInitializers() internal virtual {\n require(!_initializing, \"Initializable: contract is initializing\");\n if (_initialized != type(uint8).max) {\n _initialized = type(uint8).max;\n emit Initialized(type(uint8).max);\n }\n }\n\n /**\n * @dev Returns the highest version that has been initialized. See {reinitializer}.\n */\n function _getInitializedVersion() internal view returns (uint8) {\n return _initialized;\n }\n\n /**\n * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.\n */\n function _isInitializing() internal view returns (bool) {\n return _initializing;\n }\n}\n"
},
"src/lib/SeaDropErrorsAndEvents.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { CreatorPayout, PublicDrop } from \"./ERC721SeaDropStructs.sol\";\n\ninterface SeaDropErrorsAndEvents {\n /**\n * @notice The SeaDrop token types, emitted as part of\n * `event SeaDropTokenDeployed`.\n */\n enum SEADROP_TOKEN_TYPE {\n ERC721_STANDARD,\n ERC721_CLONE,\n ERC721_UPGRADEABLE,\n ERC1155_STANDARD,\n ERC1155_CLONE,\n ERC1155_UPGRADEABLE\n }\n\n /**\n * @notice An event to signify that a SeaDrop token contract was deployed.\n */\n event SeaDropTokenDeployed(SEADROP_TOKEN_TYPE tokenType);\n\n /**\n * @notice Revert with an error if the function selector is not supported.\n */\n error UnsupportedFunctionSelector(bytes4 selector);\n\n /**\n * @dev Revert with an error if the drop stage is not active.\n */\n error NotActive(\n uint256 currentTimestamp,\n uint256 startTimestamp,\n uint256 endTimestamp\n );\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max allowed\n * to be minted per wallet.\n */\n error MintQuantityExceedsMaxMintedPerWallet(uint256 total, uint256 allowed);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply.\n */\n error MintQuantityExceedsMaxSupply(uint256 total, uint256 maxSupply);\n\n /**\n * @dev Revert with an error if the mint quantity exceeds the max token\n * supply for the stage.\n * Note: The `maxTokenSupplyForStage` for public mint is\n * always `type(uint).max`.\n */\n error MintQuantityExceedsMaxTokenSupplyForStage(\n uint256 total,\n uint256 maxTokenSupplyForStage\n );\n\n /**\n * @dev Revert if the fee recipient is the zero address.\n */\n error FeeRecipientCannotBeZeroAddress();\n\n /**\n * @dev Revert if the fee recipient is not already included.\n */\n error FeeRecipientNotPresent();\n\n /**\n * @dev Revert if the fee basis points is greater than 10_000.\n */\n error InvalidFeeBps(uint256 feeBps);\n\n /**\n * @dev Revert if the fee recipient is already included.\n */\n error DuplicateFeeRecipient();\n\n /**\n * @dev Revert if the fee recipient is restricted and not allowed.\n */\n error FeeRecipientNotAllowed(address got);\n\n /**\n * @dev Revert if the creator payout address is the zero address.\n */\n error CreatorPayoutAddressCannotBeZeroAddress();\n\n /**\n * @dev Revert if the creator payouts are not set.\n */\n error CreatorPayoutsNotSet();\n\n /**\n * @dev Revert if the creator payout basis points are zero.\n */\n error CreatorPayoutBasisPointsCannotBeZero();\n\n /**\n * @dev Revert if the total basis points for the creator payouts\n * don't equal exactly 10_000.\n */\n error InvalidCreatorPayoutTotalBasisPoints(\n uint256 totalReceivedBasisPoints\n );\n\n /**\n * @dev Revert if the creator payout basis points don't add up to 10_000.\n */\n error InvalidCreatorPayoutBasisPoints(uint256 totalReceivedBasisPoints);\n\n /**\n * @dev Revert with an error if the allow list proof is invalid.\n */\n error InvalidProof();\n\n /**\n * @dev Revert if a supplied signer address is the zero address.\n */\n error SignerCannotBeZeroAddress();\n\n /**\n * @dev Revert with an error if a signer is not included in\n * the enumeration when removing.\n */\n error SignerNotPresent();\n\n /**\n * @dev Revert with an error if a payer is not included in\n * the enumeration when removing.\n */\n error PayerNotPresent();\n\n /**\n * @dev Revert with an error if a payer is already included in mapping\n * when adding.\n */\n error DuplicatePayer();\n\n /**\n * @dev Revert with an error if a signer is already included in mapping\n * when adding.\n */\n error DuplicateSigner();\n\n /**\n * @dev Revert with an error if the payer is not allowed. The minter must\n * pay for their own mint.\n */\n error PayerNotAllowed(address got);\n\n /**\n * @dev Revert if a supplied payer address is the zero address.\n */\n error PayerCannotBeZeroAddress();\n\n /**\n * @dev Revert if the start time is greater than the end time.\n */\n error InvalidStartAndEndTime(uint256 startTime, uint256 endTime);\n\n /**\n * @dev Revert with an error if the signer payment token is not the same.\n */\n error InvalidSignedPaymentToken(address got, address want);\n\n /**\n * @dev Revert with an error if supplied signed mint price is less than\n * the minimum specified.\n */\n error InvalidSignedMintPrice(\n address paymentToken,\n uint256 got,\n uint256 minimum\n );\n\n /**\n * @dev Revert with an error if supplied signed maxTotalMintableByWallet\n * is greater than the maximum specified.\n */\n error InvalidSignedMaxTotalMintableByWallet(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed\n * maxTotalMintableByWalletPerToken is greater than the maximum\n * specified.\n */\n error InvalidSignedMaxTotalMintableByWalletPerToken(\n uint256 got,\n uint256 maximum\n );\n\n /**\n * @dev Revert with an error if the fromTokenId is not within range.\n */\n error InvalidSignedFromTokenId(uint256 got, uint256 minimum);\n\n /**\n * @dev Revert with an error if the toTokenId is not within range.\n */\n error InvalidSignedToTokenId(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed start time is less than\n * the minimum specified.\n */\n error InvalidSignedStartTime(uint256 got, uint256 minimum);\n\n /**\n * @dev Revert with an error if supplied signed end time is greater than\n * the maximum specified.\n */\n error InvalidSignedEndTime(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed maxTokenSupplyForStage\n * is greater than the maximum specified.\n */\n error InvalidSignedMaxTokenSupplyForStage(uint256 got, uint256 maximum);\n\n /**\n * @dev Revert with an error if supplied signed feeBps is greater than\n * the maximum specified, or less than the minimum.\n */\n error InvalidSignedFeeBps(uint256 got, uint256 minimumOrMaximum);\n\n /**\n * @dev Revert with an error if signed mint did not specify to restrict\n * fee recipients.\n */\n error SignedMintsMustRestrictFeeRecipients();\n\n /**\n * @dev Revert with an error if a signature for a signed mint has already\n * been used.\n */\n error SignatureAlreadyUsed();\n\n /**\n * @dev Revert with an error if the contract has no balance to withdraw.\n */\n error NoBalanceToWithdraw();\n\n /**\n * @dev Revert with an error if the caller is not an allowed Seaport.\n */\n error InvalidCallerOnlyAllowedSeaport(address caller);\n\n /**\n * @dev Revert with an error if the order does not have the ERC1155 magic\n * consideration item to signify a consecutive mint.\n */\n error MustSpecifyERC1155ConsiderationItemForSeaDropMint();\n\n /**\n * @dev Revert with an error if the extra data version is not supported.\n */\n error UnsupportedExtraDataVersion(uint8 version);\n\n /**\n * @dev Revert with an error if the extra data encoding is not supported.\n */\n error InvalidExtraDataEncoding(uint8 version);\n\n /**\n * @dev Revert with an error if the provided substandard is not supported.\n */\n error InvalidSubstandard(uint8 substandard);\n\n /**\n * @dev Revert with an error if the implementation contract is called without\n * delegatecall.\n */\n error OnlyDelegateCalled();\n\n /**\n * @dev Revert with an error if the provided allowed Seaport is the\n * zero address.\n */\n error AllowedSeaportCannotBeZeroAddress();\n\n /**\n * @dev Emit an event when allowed Seaport contracts are updated.\n */\n event AllowedSeaportUpdated(address[] allowedSeaport);\n\n /**\n * @dev An event with details of a SeaDrop mint, for analytical purposes.\n *\n * @param payer The address who payed for the tx.\n * @param dropStageIndex The drop stage index. Items minted through\n * public mint have dropStageIndex of 0\n */\n event SeaDropMint(address payer, uint256 dropStageIndex);\n\n /**\n * @dev An event with updated allow list data.\n *\n * @param previousMerkleRoot The previous allow list merkle root.\n * @param newMerkleRoot The new allow list merkle root.\n * @param publicKeyURI If the allow list is encrypted, the public key\n * URIs that can decrypt the list.\n * Empty if unencrypted.\n * @param allowListURI The URI for the allow list.\n */\n event AllowListUpdated(\n bytes32 indexed previousMerkleRoot,\n bytes32 indexed newMerkleRoot,\n string[] publicKeyURI,\n string allowListURI\n );\n\n /**\n * @dev An event with updated drop URI.\n */\n event DropURIUpdated(string newDropURI);\n\n /**\n * @dev An event with the updated creator payout address.\n */\n event CreatorPayoutsUpdated(CreatorPayout[] creatorPayouts);\n\n /**\n * @dev An event with the updated allowed fee recipient.\n */\n event AllowedFeeRecipientUpdated(\n address indexed feeRecipient,\n bool indexed allowed\n );\n\n /**\n * @dev An event with the updated signer.\n */\n event SignerUpdated(address indexed signer, bool indexed allowed);\n\n /**\n * @dev An event with the updated payer.\n */\n event PayerUpdated(address indexed payer, bool indexed allowed);\n}\n"
},
"lib/seaport/lib/seaport-types/src/lib/ConsiderationEnums.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nenum OrderType {\n // 0: no partial fills, anyone can execute\n FULL_OPEN,\n\n // 1: partial fills supported, anyone can execute\n PARTIAL_OPEN,\n\n // 2: no partial fills, only offerer or zone can execute\n FULL_RESTRICTED,\n\n // 3: partial fills supported, only offerer or zone can execute\n PARTIAL_RESTRICTED,\n\n // 4: contract order type\n CONTRACT\n}\n\nenum BasicOrderType {\n // 0: no partial fills, anyone can execute\n ETH_TO_ERC721_FULL_OPEN,\n\n // 1: partial fills supported, anyone can execute\n ETH_TO_ERC721_PARTIAL_OPEN,\n\n // 2: no partial fills, only offerer or zone can execute\n ETH_TO_ERC721_FULL_RESTRICTED,\n\n // 3: partial fills supported, only offerer or zone can execute\n ETH_TO_ERC721_PARTIAL_RESTRICTED,\n\n // 4: no partial fills, anyone can execute\n ETH_TO_ERC1155_FULL_OPEN,\n\n // 5: partial fills supported, anyone can execute\n ETH_TO_ERC1155_PARTIAL_OPEN,\n\n // 6: no partial fills, only offerer or zone can execute\n ETH_TO_ERC1155_FULL_RESTRICTED,\n\n // 7: partial fills supported, only offerer or zone can execute\n ETH_TO_ERC1155_PARTIAL_RESTRICTED,\n\n // 8: no partial fills, anyone can execute\n ERC20_TO_ERC721_FULL_OPEN,\n\n // 9: partial fills supported, anyone can execute\n ERC20_TO_ERC721_PARTIAL_OPEN,\n\n // 10: no partial fills, only offerer or zone can execute\n ERC20_TO_ERC721_FULL_RESTRICTED,\n\n // 11: partial fills supported, only offerer or zone can execute\n ERC20_TO_ERC721_PARTIAL_RESTRICTED,\n\n // 12: no partial fills, anyone can execute\n ERC20_TO_ERC1155_FULL_OPEN,\n\n // 13: partial fills supported, anyone can execute\n ERC20_TO_ERC1155_PARTIAL_OPEN,\n\n // 14: no partial fills, only offerer or zone can execute\n ERC20_TO_ERC1155_FULL_RESTRICTED,\n\n // 15: partial fills supported, only offerer or zone can execute\n ERC20_TO_ERC1155_PARTIAL_RESTRICTED,\n\n // 16: no partial fills, anyone can execute\n ERC721_TO_ERC20_FULL_OPEN,\n\n // 17: partial fills supported, anyone can execute\n ERC721_TO_ERC20_PARTIAL_OPEN,\n\n // 18: no partial fills, only offerer or zone can execute\n ERC721_TO_ERC20_FULL_RESTRICTED,\n\n // 19: partial fills supported, only offerer or zone can execute\n ERC721_TO_ERC20_PARTIAL_RESTRICTED,\n\n // 20: no partial fills, anyone can execute\n ERC1155_TO_ERC20_FULL_OPEN,\n\n // 21: partial fills supported, anyone can execute\n ERC1155_TO_ERC20_PARTIAL_OPEN,\n\n // 22: no partial fills, only offerer or zone can execute\n ERC1155_TO_ERC20_FULL_RESTRICTED,\n\n // 23: partial fills supported, only offerer or zone can execute\n ERC1155_TO_ERC20_PARTIAL_RESTRICTED\n}\n\nenum BasicOrderRouteType {\n // 0: provide Ether (or other native token) to receive offered ERC721 item.\n ETH_TO_ERC721,\n\n // 1: provide Ether (or other native token) to receive offered ERC1155 item.\n ETH_TO_ERC1155,\n\n // 2: provide ERC20 item to receive offered ERC721 item.\n ERC20_TO_ERC721,\n\n // 3: provide ERC20 item to receive offered ERC1155 item.\n ERC20_TO_ERC1155,\n\n // 4: provide ERC721 item to receive offered ERC20 item.\n ERC721_TO_ERC20,\n\n // 5: provide ERC1155 item to receive offered ERC20 item.\n ERC1155_TO_ERC20\n}\n\nenum ItemType {\n // 0: ETH on mainnet, MATIC on polygon, etc.\n NATIVE,\n\n // 1: ERC20 items (ERC777 and ERC20 analogues could also technically work)\n ERC20,\n\n // 2: ERC721 items\n ERC721,\n\n // 3: ERC1155 items\n ERC1155,\n\n // 4: ERC721 items where a number of tokenIds are supported\n ERC721_WITH_CRITERIA,\n\n // 5: ERC1155 items where a number of ids are supported\n ERC1155_WITH_CRITERIA\n}\n\nenum Side {\n // 0: Items that can be spent\n OFFER,\n\n // 1: Items that must be received\n CONSIDERATION\n}\n"
},
"lib/seaport/lib/seaport-types/src/helpers/PointerLibraries.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\ntype CalldataPointer is uint256;\n\ntype ReturndataPointer is uint256;\n\ntype MemoryPointer is uint256;\n\nusing CalldataPointerLib for CalldataPointer global;\nusing MemoryPointerLib for MemoryPointer global;\nusing ReturndataPointerLib for ReturndataPointer global;\n\nusing CalldataReaders for CalldataPointer global;\nusing ReturndataReaders for ReturndataPointer global;\nusing MemoryReaders for MemoryPointer global;\nusing MemoryWriters for MemoryPointer global;\n\nCalldataPointer constant CalldataStart = CalldataPointer.wrap(0x04);\nMemoryPointer constant FreeMemoryPPtr = MemoryPointer.wrap(0x40);\nuint256 constant IdentityPrecompileAddress = 0x4;\nuint256 constant OffsetOrLengthMask = 0xffffffff;\nuint256 constant _OneWord = 0x20;\nuint256 constant _FreeMemoryPointerSlot = 0x40;\n\n/// @dev Allocates `size` bytes in memory by increasing the free memory pointer\n/// and returns the memory pointer to the first byte of the allocated region.\n// (Free functions cannot have visibility.)\n// solhint-disable-next-line func-visibility\nfunction malloc(uint256 size) pure returns (MemoryPointer mPtr) {\n assembly {\n mPtr := mload(_FreeMemoryPointerSlot)\n mstore(_FreeMemoryPointerSlot, add(mPtr, size))\n }\n}\n\n// (Free functions cannot have visibility.)\n// solhint-disable-next-line func-visibility\nfunction getFreeMemoryPointer() pure returns (MemoryPointer mPtr) {\n mPtr = FreeMemoryPPtr.readMemoryPointer();\n}\n\n// (Free functions cannot have visibility.)\n// solhint-disable-next-line func-visibility\nfunction setFreeMemoryPointer(MemoryPointer mPtr) pure {\n FreeMemoryPPtr.write(mPtr);\n}\n\nlibrary CalldataPointerLib {\n function lt(\n CalldataPointer a,\n CalldataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := lt(a, b)\n }\n }\n\n function gt(\n CalldataPointer a,\n CalldataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := gt(a, b)\n }\n }\n\n function eq(\n CalldataPointer a,\n CalldataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := eq(a, b)\n }\n }\n\n function isNull(CalldataPointer a) internal pure returns (bool b) {\n assembly {\n b := iszero(a)\n }\n }\n\n /// @dev Resolves an offset stored at `cdPtr + headOffset` to a calldata.\n /// pointer `cdPtr` must point to some parent object with a dynamic\n /// type's head stored at `cdPtr + headOffset`.\n function pptr(\n CalldataPointer cdPtr,\n uint256 headOffset\n ) internal pure returns (CalldataPointer cdPtrChild) {\n cdPtrChild = cdPtr.offset(\n cdPtr.offset(headOffset).readUint256() & OffsetOrLengthMask\n );\n }\n\n /// @dev Resolves an offset stored at `cdPtr` to a calldata pointer.\n /// `cdPtr` must point to some parent object with a dynamic type as its\n /// first member, e.g. `struct { bytes data; }`\n function pptr(\n CalldataPointer cdPtr\n ) internal pure returns (CalldataPointer cdPtrChild) {\n cdPtrChild = cdPtr.offset(cdPtr.readUint256() & OffsetOrLengthMask);\n }\n\n /// @dev Returns the calldata pointer one word after `cdPtr`.\n function next(\n CalldataPointer cdPtr\n ) internal pure returns (CalldataPointer cdPtrNext) {\n assembly {\n cdPtrNext := add(cdPtr, _OneWord)\n }\n }\n\n /// @dev Returns the calldata pointer `_offset` bytes after `cdPtr`.\n function offset(\n CalldataPointer cdPtr,\n uint256 _offset\n ) internal pure returns (CalldataPointer cdPtrNext) {\n assembly {\n cdPtrNext := add(cdPtr, _offset)\n }\n }\n\n /// @dev Copies `size` bytes from calldata starting at `src` to memory at\n /// `dst`.\n function copy(\n CalldataPointer src,\n MemoryPointer dst,\n uint256 size\n ) internal pure {\n assembly {\n calldatacopy(dst, src, size)\n }\n }\n}\n\nlibrary ReturndataPointerLib {\n function lt(\n ReturndataPointer a,\n ReturndataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := lt(a, b)\n }\n }\n\n function gt(\n ReturndataPointer a,\n ReturndataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := gt(a, b)\n }\n }\n\n function eq(\n ReturndataPointer a,\n ReturndataPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := eq(a, b)\n }\n }\n\n function isNull(ReturndataPointer a) internal pure returns (bool b) {\n assembly {\n b := iszero(a)\n }\n }\n\n /// @dev Resolves an offset stored at `rdPtr + headOffset` to a returndata\n /// pointer. `rdPtr` must point to some parent object with a dynamic\n /// type's head stored at `rdPtr + headOffset`.\n function pptr(\n ReturndataPointer rdPtr,\n uint256 headOffset\n ) internal pure returns (ReturndataPointer rdPtrChild) {\n rdPtrChild = rdPtr.offset(\n rdPtr.offset(headOffset).readUint256() & OffsetOrLengthMask\n );\n }\n\n /// @dev Resolves an offset stored at `rdPtr` to a returndata pointer.\n /// `rdPtr` must point to some parent object with a dynamic type as its\n /// first member, e.g. `struct { bytes data; }`\n function pptr(\n ReturndataPointer rdPtr\n ) internal pure returns (ReturndataPointer rdPtrChild) {\n rdPtrChild = rdPtr.offset(rdPtr.readUint256() & OffsetOrLengthMask);\n }\n\n /// @dev Returns the returndata pointer one word after `cdPtr`.\n function next(\n ReturndataPointer rdPtr\n ) internal pure returns (ReturndataPointer rdPtrNext) {\n assembly {\n rdPtrNext := add(rdPtr, _OneWord)\n }\n }\n\n /// @dev Returns the returndata pointer `_offset` bytes after `cdPtr`.\n function offset(\n ReturndataPointer rdPtr,\n uint256 _offset\n ) internal pure returns (ReturndataPointer rdPtrNext) {\n assembly {\n rdPtrNext := add(rdPtr, _offset)\n }\n }\n\n /// @dev Copies `size` bytes from returndata starting at `src` to memory at\n /// `dst`.\n function copy(\n ReturndataPointer src,\n MemoryPointer dst,\n uint256 size\n ) internal pure {\n assembly {\n returndatacopy(dst, src, size)\n }\n }\n}\n\nlibrary MemoryPointerLib {\n function copy(\n MemoryPointer src,\n MemoryPointer dst,\n uint256 size\n ) internal view {\n assembly {\n let success := staticcall(\n gas(),\n IdentityPrecompileAddress,\n src,\n size,\n dst,\n size\n )\n if or(iszero(returndatasize()), iszero(success)) {\n revert(0, 0)\n }\n }\n }\n\n function lt(\n MemoryPointer a,\n MemoryPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := lt(a, b)\n }\n }\n\n function gt(\n MemoryPointer a,\n MemoryPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := gt(a, b)\n }\n }\n\n function eq(\n MemoryPointer a,\n MemoryPointer b\n ) internal pure returns (bool c) {\n assembly {\n c := eq(a, b)\n }\n }\n\n function isNull(MemoryPointer a) internal pure returns (bool b) {\n assembly {\n b := iszero(a)\n }\n }\n\n function hash(\n MemoryPointer ptr,\n uint256 length\n ) internal pure returns (bytes32 _hash) {\n assembly {\n _hash := keccak256(ptr, length)\n }\n }\n\n /// @dev Returns the memory pointer one word after `mPtr`.\n function next(\n MemoryPointer mPtr\n ) internal pure returns (MemoryPointer mPtrNext) {\n assembly {\n mPtrNext := add(mPtr, _OneWord)\n }\n }\n\n /// @dev Returns the memory pointer `_offset` bytes after `mPtr`.\n function offset(\n MemoryPointer mPtr,\n uint256 _offset\n ) internal pure returns (MemoryPointer mPtrNext) {\n assembly {\n mPtrNext := add(mPtr, _offset)\n }\n }\n\n /// @dev Resolves a pointer at `mPtr + headOffset` to a memory\n /// pointer. `mPtr` must point to some parent object with a dynamic\n /// type's pointer stored at `mPtr + headOffset`.\n function pptr(\n MemoryPointer mPtr,\n uint256 headOffset\n ) internal pure returns (MemoryPointer mPtrChild) {\n mPtrChild = mPtr.offset(headOffset).readMemoryPointer();\n }\n\n /// @dev Resolves a pointer stored at `mPtr` to a memory pointer.\n /// `mPtr` must point to some parent object with a dynamic type as its\n /// first member, e.g. `struct { bytes data; }`\n function pptr(\n MemoryPointer mPtr\n ) internal pure returns (MemoryPointer mPtrChild) {\n mPtrChild = mPtr.readMemoryPointer();\n }\n}\n\nlibrary CalldataReaders {\n /// @dev Reads the value at `cdPtr` and applies a mask to return only the\n /// last 4 bytes.\n function readMaskedUint256(\n CalldataPointer cdPtr\n ) internal pure returns (uint256 value) {\n value = cdPtr.readUint256() & OffsetOrLengthMask;\n }\n\n /// @dev Reads the bool at `cdPtr` in calldata.\n function readBool(\n CalldataPointer cdPtr\n ) internal pure returns (bool value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the address at `cdPtr` in calldata.\n function readAddress(\n CalldataPointer cdPtr\n ) internal pure returns (address value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes1 at `cdPtr` in calldata.\n function readBytes1(\n CalldataPointer cdPtr\n ) internal pure returns (bytes1 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes2 at `cdPtr` in calldata.\n function readBytes2(\n CalldataPointer cdPtr\n ) internal pure returns (bytes2 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes3 at `cdPtr` in calldata.\n function readBytes3(\n CalldataPointer cdPtr\n ) internal pure returns (bytes3 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes4 at `cdPtr` in calldata.\n function readBytes4(\n CalldataPointer cdPtr\n ) internal pure returns (bytes4 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes5 at `cdPtr` in calldata.\n function readBytes5(\n CalldataPointer cdPtr\n ) internal pure returns (bytes5 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes6 at `cdPtr` in calldata.\n function readBytes6(\n CalldataPointer cdPtr\n ) internal pure returns (bytes6 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes7 at `cdPtr` in calldata.\n function readBytes7(\n CalldataPointer cdPtr\n ) internal pure returns (bytes7 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes8 at `cdPtr` in calldata.\n function readBytes8(\n CalldataPointer cdPtr\n ) internal pure returns (bytes8 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes9 at `cdPtr` in calldata.\n function readBytes9(\n CalldataPointer cdPtr\n ) internal pure returns (bytes9 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes10 at `cdPtr` in calldata.\n function readBytes10(\n CalldataPointer cdPtr\n ) internal pure returns (bytes10 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes11 at `cdPtr` in calldata.\n function readBytes11(\n CalldataPointer cdPtr\n ) internal pure returns (bytes11 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes12 at `cdPtr` in calldata.\n function readBytes12(\n CalldataPointer cdPtr\n ) internal pure returns (bytes12 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes13 at `cdPtr` in calldata.\n function readBytes13(\n CalldataPointer cdPtr\n ) internal pure returns (bytes13 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes14 at `cdPtr` in calldata.\n function readBytes14(\n CalldataPointer cdPtr\n ) internal pure returns (bytes14 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes15 at `cdPtr` in calldata.\n function readBytes15(\n CalldataPointer cdPtr\n ) internal pure returns (bytes15 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes16 at `cdPtr` in calldata.\n function readBytes16(\n CalldataPointer cdPtr\n ) internal pure returns (bytes16 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes17 at `cdPtr` in calldata.\n function readBytes17(\n CalldataPointer cdPtr\n ) internal pure returns (bytes17 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes18 at `cdPtr` in calldata.\n function readBytes18(\n CalldataPointer cdPtr\n ) internal pure returns (bytes18 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes19 at `cdPtr` in calldata.\n function readBytes19(\n CalldataPointer cdPtr\n ) internal pure returns (bytes19 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes20 at `cdPtr` in calldata.\n function readBytes20(\n CalldataPointer cdPtr\n ) internal pure returns (bytes20 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes21 at `cdPtr` in calldata.\n function readBytes21(\n CalldataPointer cdPtr\n ) internal pure returns (bytes21 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes22 at `cdPtr` in calldata.\n function readBytes22(\n CalldataPointer cdPtr\n ) internal pure returns (bytes22 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes23 at `cdPtr` in calldata.\n function readBytes23(\n CalldataPointer cdPtr\n ) internal pure returns (bytes23 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes24 at `cdPtr` in calldata.\n function readBytes24(\n CalldataPointer cdPtr\n ) internal pure returns (bytes24 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes25 at `cdPtr` in calldata.\n function readBytes25(\n CalldataPointer cdPtr\n ) internal pure returns (bytes25 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes26 at `cdPtr` in calldata.\n function readBytes26(\n CalldataPointer cdPtr\n ) internal pure returns (bytes26 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes27 at `cdPtr` in calldata.\n function readBytes27(\n CalldataPointer cdPtr\n ) internal pure returns (bytes27 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes28 at `cdPtr` in calldata.\n function readBytes28(\n CalldataPointer cdPtr\n ) internal pure returns (bytes28 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes29 at `cdPtr` in calldata.\n function readBytes29(\n CalldataPointer cdPtr\n ) internal pure returns (bytes29 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes30 at `cdPtr` in calldata.\n function readBytes30(\n CalldataPointer cdPtr\n ) internal pure returns (bytes30 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes31 at `cdPtr` in calldata.\n function readBytes31(\n CalldataPointer cdPtr\n ) internal pure returns (bytes31 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the bytes32 at `cdPtr` in calldata.\n function readBytes32(\n CalldataPointer cdPtr\n ) internal pure returns (bytes32 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint8 at `cdPtr` in calldata.\n function readUint8(\n CalldataPointer cdPtr\n ) internal pure returns (uint8 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint16 at `cdPtr` in calldata.\n function readUint16(\n CalldataPointer cdPtr\n ) internal pure returns (uint16 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint24 at `cdPtr` in calldata.\n function readUint24(\n CalldataPointer cdPtr\n ) internal pure returns (uint24 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint32 at `cdPtr` in calldata.\n function readUint32(\n CalldataPointer cdPtr\n ) internal pure returns (uint32 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint40 at `cdPtr` in calldata.\n function readUint40(\n CalldataPointer cdPtr\n ) internal pure returns (uint40 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint48 at `cdPtr` in calldata.\n function readUint48(\n CalldataPointer cdPtr\n ) internal pure returns (uint48 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint56 at `cdPtr` in calldata.\n function readUint56(\n CalldataPointer cdPtr\n ) internal pure returns (uint56 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint64 at `cdPtr` in calldata.\n function readUint64(\n CalldataPointer cdPtr\n ) internal pure returns (uint64 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint72 at `cdPtr` in calldata.\n function readUint72(\n CalldataPointer cdPtr\n ) internal pure returns (uint72 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint80 at `cdPtr` in calldata.\n function readUint80(\n CalldataPointer cdPtr\n ) internal pure returns (uint80 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint88 at `cdPtr` in calldata.\n function readUint88(\n CalldataPointer cdPtr\n ) internal pure returns (uint88 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint96 at `cdPtr` in calldata.\n function readUint96(\n CalldataPointer cdPtr\n ) internal pure returns (uint96 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint104 at `cdPtr` in calldata.\n function readUint104(\n CalldataPointer cdPtr\n ) internal pure returns (uint104 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint112 at `cdPtr` in calldata.\n function readUint112(\n CalldataPointer cdPtr\n ) internal pure returns (uint112 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint120 at `cdPtr` in calldata.\n function readUint120(\n CalldataPointer cdPtr\n ) internal pure returns (uint120 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint128 at `cdPtr` in calldata.\n function readUint128(\n CalldataPointer cdPtr\n ) internal pure returns (uint128 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint136 at `cdPtr` in calldata.\n function readUint136(\n CalldataPointer cdPtr\n ) internal pure returns (uint136 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint144 at `cdPtr` in calldata.\n function readUint144(\n CalldataPointer cdPtr\n ) internal pure returns (uint144 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint152 at `cdPtr` in calldata.\n function readUint152(\n CalldataPointer cdPtr\n ) internal pure returns (uint152 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint160 at `cdPtr` in calldata.\n function readUint160(\n CalldataPointer cdPtr\n ) internal pure returns (uint160 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint168 at `cdPtr` in calldata.\n function readUint168(\n CalldataPointer cdPtr\n ) internal pure returns (uint168 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint176 at `cdPtr` in calldata.\n function readUint176(\n CalldataPointer cdPtr\n ) internal pure returns (uint176 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint184 at `cdPtr` in calldata.\n function readUint184(\n CalldataPointer cdPtr\n ) internal pure returns (uint184 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint192 at `cdPtr` in calldata.\n function readUint192(\n CalldataPointer cdPtr\n ) internal pure returns (uint192 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint200 at `cdPtr` in calldata.\n function readUint200(\n CalldataPointer cdPtr\n ) internal pure returns (uint200 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint208 at `cdPtr` in calldata.\n function readUint208(\n CalldataPointer cdPtr\n ) internal pure returns (uint208 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint216 at `cdPtr` in calldata.\n function readUint216(\n CalldataPointer cdPtr\n ) internal pure returns (uint216 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint224 at `cdPtr` in calldata.\n function readUint224(\n CalldataPointer cdPtr\n ) internal pure returns (uint224 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint232 at `cdPtr` in calldata.\n function readUint232(\n CalldataPointer cdPtr\n ) internal pure returns (uint232 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint240 at `cdPtr` in calldata.\n function readUint240(\n CalldataPointer cdPtr\n ) internal pure returns (uint240 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint248 at `cdPtr` in calldata.\n function readUint248(\n CalldataPointer cdPtr\n ) internal pure returns (uint248 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the uint256 at `cdPtr` in calldata.\n function readUint256(\n CalldataPointer cdPtr\n ) internal pure returns (uint256 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int8 at `cdPtr` in calldata.\n function readInt8(\n CalldataPointer cdPtr\n ) internal pure returns (int8 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int16 at `cdPtr` in calldata.\n function readInt16(\n CalldataPointer cdPtr\n ) internal pure returns (int16 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int24 at `cdPtr` in calldata.\n function readInt24(\n CalldataPointer cdPtr\n ) internal pure returns (int24 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int32 at `cdPtr` in calldata.\n function readInt32(\n CalldataPointer cdPtr\n ) internal pure returns (int32 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int40 at `cdPtr` in calldata.\n function readInt40(\n CalldataPointer cdPtr\n ) internal pure returns (int40 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int48 at `cdPtr` in calldata.\n function readInt48(\n CalldataPointer cdPtr\n ) internal pure returns (int48 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int56 at `cdPtr` in calldata.\n function readInt56(\n CalldataPointer cdPtr\n ) internal pure returns (int56 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int64 at `cdPtr` in calldata.\n function readInt64(\n CalldataPointer cdPtr\n ) internal pure returns (int64 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int72 at `cdPtr` in calldata.\n function readInt72(\n CalldataPointer cdPtr\n ) internal pure returns (int72 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int80 at `cdPtr` in calldata.\n function readInt80(\n CalldataPointer cdPtr\n ) internal pure returns (int80 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int88 at `cdPtr` in calldata.\n function readInt88(\n CalldataPointer cdPtr\n ) internal pure returns (int88 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int96 at `cdPtr` in calldata.\n function readInt96(\n CalldataPointer cdPtr\n ) internal pure returns (int96 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int104 at `cdPtr` in calldata.\n function readInt104(\n CalldataPointer cdPtr\n ) internal pure returns (int104 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int112 at `cdPtr` in calldata.\n function readInt112(\n CalldataPointer cdPtr\n ) internal pure returns (int112 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int120 at `cdPtr` in calldata.\n function readInt120(\n CalldataPointer cdPtr\n ) internal pure returns (int120 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int128 at `cdPtr` in calldata.\n function readInt128(\n CalldataPointer cdPtr\n ) internal pure returns (int128 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int136 at `cdPtr` in calldata.\n function readInt136(\n CalldataPointer cdPtr\n ) internal pure returns (int136 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int144 at `cdPtr` in calldata.\n function readInt144(\n CalldataPointer cdPtr\n ) internal pure returns (int144 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int152 at `cdPtr` in calldata.\n function readInt152(\n CalldataPointer cdPtr\n ) internal pure returns (int152 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int160 at `cdPtr` in calldata.\n function readInt160(\n CalldataPointer cdPtr\n ) internal pure returns (int160 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int168 at `cdPtr` in calldata.\n function readInt168(\n CalldataPointer cdPtr\n ) internal pure returns (int168 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int176 at `cdPtr` in calldata.\n function readInt176(\n CalldataPointer cdPtr\n ) internal pure returns (int176 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int184 at `cdPtr` in calldata.\n function readInt184(\n CalldataPointer cdPtr\n ) internal pure returns (int184 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int192 at `cdPtr` in calldata.\n function readInt192(\n CalldataPointer cdPtr\n ) internal pure returns (int192 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int200 at `cdPtr` in calldata.\n function readInt200(\n CalldataPointer cdPtr\n ) internal pure returns (int200 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int208 at `cdPtr` in calldata.\n function readInt208(\n CalldataPointer cdPtr\n ) internal pure returns (int208 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int216 at `cdPtr` in calldata.\n function readInt216(\n CalldataPointer cdPtr\n ) internal pure returns (int216 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int224 at `cdPtr` in calldata.\n function readInt224(\n CalldataPointer cdPtr\n ) internal pure returns (int224 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int232 at `cdPtr` in calldata.\n function readInt232(\n CalldataPointer cdPtr\n ) internal pure returns (int232 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int240 at `cdPtr` in calldata.\n function readInt240(\n CalldataPointer cdPtr\n ) internal pure returns (int240 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int248 at `cdPtr` in calldata.\n function readInt248(\n CalldataPointer cdPtr\n ) internal pure returns (int248 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n\n /// @dev Reads the int256 at `cdPtr` in calldata.\n function readInt256(\n CalldataPointer cdPtr\n ) internal pure returns (int256 value) {\n assembly {\n value := calldataload(cdPtr)\n }\n }\n}\n\nlibrary ReturndataReaders {\n /// @dev Reads value at `rdPtr` & applies a mask to return only last 4 bytes\n function readMaskedUint256(\n ReturndataPointer rdPtr\n ) internal pure returns (uint256 value) {\n value = rdPtr.readUint256() & OffsetOrLengthMask;\n }\n\n /// @dev Reads the bool at `rdPtr` in returndata.\n function readBool(\n ReturndataPointer rdPtr\n ) internal pure returns (bool value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the address at `rdPtr` in returndata.\n function readAddress(\n ReturndataPointer rdPtr\n ) internal pure returns (address value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes1 at `rdPtr` in returndata.\n function readBytes1(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes1 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes2 at `rdPtr` in returndata.\n function readBytes2(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes2 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes3 at `rdPtr` in returndata.\n function readBytes3(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes3 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes4 at `rdPtr` in returndata.\n function readBytes4(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes4 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes5 at `rdPtr` in returndata.\n function readBytes5(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes5 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes6 at `rdPtr` in returndata.\n function readBytes6(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes6 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes7 at `rdPtr` in returndata.\n function readBytes7(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes7 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes8 at `rdPtr` in returndata.\n function readBytes8(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes8 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes9 at `rdPtr` in returndata.\n function readBytes9(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes9 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes10 at `rdPtr` in returndata.\n function readBytes10(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes10 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes11 at `rdPtr` in returndata.\n function readBytes11(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes11 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes12 at `rdPtr` in returndata.\n function readBytes12(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes12 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes13 at `rdPtr` in returndata.\n function readBytes13(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes13 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes14 at `rdPtr` in returndata.\n function readBytes14(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes14 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes15 at `rdPtr` in returndata.\n function readBytes15(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes15 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes16 at `rdPtr` in returndata.\n function readBytes16(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes16 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes17 at `rdPtr` in returndata.\n function readBytes17(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes17 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes18 at `rdPtr` in returndata.\n function readBytes18(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes18 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes19 at `rdPtr` in returndata.\n function readBytes19(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes19 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes20 at `rdPtr` in returndata.\n function readBytes20(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes20 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes21 at `rdPtr` in returndata.\n function readBytes21(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes21 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes22 at `rdPtr` in returndata.\n function readBytes22(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes22 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes23 at `rdPtr` in returndata.\n function readBytes23(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes23 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes24 at `rdPtr` in returndata.\n function readBytes24(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes24 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes25 at `rdPtr` in returndata.\n function readBytes25(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes25 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes26 at `rdPtr` in returndata.\n function readBytes26(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes26 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes27 at `rdPtr` in returndata.\n function readBytes27(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes27 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes28 at `rdPtr` in returndata.\n function readBytes28(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes28 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes29 at `rdPtr` in returndata.\n function readBytes29(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes29 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes30 at `rdPtr` in returndata.\n function readBytes30(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes30 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes31 at `rdPtr` in returndata.\n function readBytes31(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes31 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the bytes32 at `rdPtr` in returndata.\n function readBytes32(\n ReturndataPointer rdPtr\n ) internal pure returns (bytes32 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint8 at `rdPtr` in returndata.\n function readUint8(\n ReturndataPointer rdPtr\n ) internal pure returns (uint8 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint16 at `rdPtr` in returndata.\n function readUint16(\n ReturndataPointer rdPtr\n ) internal pure returns (uint16 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint24 at `rdPtr` in returndata.\n function readUint24(\n ReturndataPointer rdPtr\n ) internal pure returns (uint24 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint32 at `rdPtr` in returndata.\n function readUint32(\n ReturndataPointer rdPtr\n ) internal pure returns (uint32 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint40 at `rdPtr` in returndata.\n function readUint40(\n ReturndataPointer rdPtr\n ) internal pure returns (uint40 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint48 at `rdPtr` in returndata.\n function readUint48(\n ReturndataPointer rdPtr\n ) internal pure returns (uint48 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint56 at `rdPtr` in returndata.\n function readUint56(\n ReturndataPointer rdPtr\n ) internal pure returns (uint56 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint64 at `rdPtr` in returndata.\n function readUint64(\n ReturndataPointer rdPtr\n ) internal pure returns (uint64 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint72 at `rdPtr` in returndata.\n function readUint72(\n ReturndataPointer rdPtr\n ) internal pure returns (uint72 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint80 at `rdPtr` in returndata.\n function readUint80(\n ReturndataPointer rdPtr\n ) internal pure returns (uint80 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint88 at `rdPtr` in returndata.\n function readUint88(\n ReturndataPointer rdPtr\n ) internal pure returns (uint88 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint96 at `rdPtr` in returndata.\n function readUint96(\n ReturndataPointer rdPtr\n ) internal pure returns (uint96 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint104 at `rdPtr` in returndata.\n function readUint104(\n ReturndataPointer rdPtr\n ) internal pure returns (uint104 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint112 at `rdPtr` in returndata.\n function readUint112(\n ReturndataPointer rdPtr\n ) internal pure returns (uint112 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint120 at `rdPtr` in returndata.\n function readUint120(\n ReturndataPointer rdPtr\n ) internal pure returns (uint120 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint128 at `rdPtr` in returndata.\n function readUint128(\n ReturndataPointer rdPtr\n ) internal pure returns (uint128 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint136 at `rdPtr` in returndata.\n function readUint136(\n ReturndataPointer rdPtr\n ) internal pure returns (uint136 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint144 at `rdPtr` in returndata.\n function readUint144(\n ReturndataPointer rdPtr\n ) internal pure returns (uint144 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint152 at `rdPtr` in returndata.\n function readUint152(\n ReturndataPointer rdPtr\n ) internal pure returns (uint152 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint160 at `rdPtr` in returndata.\n function readUint160(\n ReturndataPointer rdPtr\n ) internal pure returns (uint160 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint168 at `rdPtr` in returndata.\n function readUint168(\n ReturndataPointer rdPtr\n ) internal pure returns (uint168 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint176 at `rdPtr` in returndata.\n function readUint176(\n ReturndataPointer rdPtr\n ) internal pure returns (uint176 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint184 at `rdPtr` in returndata.\n function readUint184(\n ReturndataPointer rdPtr\n ) internal pure returns (uint184 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint192 at `rdPtr` in returndata.\n function readUint192(\n ReturndataPointer rdPtr\n ) internal pure returns (uint192 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint200 at `rdPtr` in returndata.\n function readUint200(\n ReturndataPointer rdPtr\n ) internal pure returns (uint200 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint208 at `rdPtr` in returndata.\n function readUint208(\n ReturndataPointer rdPtr\n ) internal pure returns (uint208 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint216 at `rdPtr` in returndata.\n function readUint216(\n ReturndataPointer rdPtr\n ) internal pure returns (uint216 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint224 at `rdPtr` in returndata.\n function readUint224(\n ReturndataPointer rdPtr\n ) internal pure returns (uint224 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint232 at `rdPtr` in returndata.\n function readUint232(\n ReturndataPointer rdPtr\n ) internal pure returns (uint232 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint240 at `rdPtr` in returndata.\n function readUint240(\n ReturndataPointer rdPtr\n ) internal pure returns (uint240 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint248 at `rdPtr` in returndata.\n function readUint248(\n ReturndataPointer rdPtr\n ) internal pure returns (uint248 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the uint256 at `rdPtr` in returndata.\n function readUint256(\n ReturndataPointer rdPtr\n ) internal pure returns (uint256 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int8 at `rdPtr` in returndata.\n function readInt8(\n ReturndataPointer rdPtr\n ) internal pure returns (int8 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int16 at `rdPtr` in returndata.\n function readInt16(\n ReturndataPointer rdPtr\n ) internal pure returns (int16 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int24 at `rdPtr` in returndata.\n function readInt24(\n ReturndataPointer rdPtr\n ) internal pure returns (int24 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int32 at `rdPtr` in returndata.\n function readInt32(\n ReturndataPointer rdPtr\n ) internal pure returns (int32 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int40 at `rdPtr` in returndata.\n function readInt40(\n ReturndataPointer rdPtr\n ) internal pure returns (int40 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int48 at `rdPtr` in returndata.\n function readInt48(\n ReturndataPointer rdPtr\n ) internal pure returns (int48 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int56 at `rdPtr` in returndata.\n function readInt56(\n ReturndataPointer rdPtr\n ) internal pure returns (int56 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int64 at `rdPtr` in returndata.\n function readInt64(\n ReturndataPointer rdPtr\n ) internal pure returns (int64 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int72 at `rdPtr` in returndata.\n function readInt72(\n ReturndataPointer rdPtr\n ) internal pure returns (int72 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int80 at `rdPtr` in returndata.\n function readInt80(\n ReturndataPointer rdPtr\n ) internal pure returns (int80 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int88 at `rdPtr` in returndata.\n function readInt88(\n ReturndataPointer rdPtr\n ) internal pure returns (int88 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int96 at `rdPtr` in returndata.\n function readInt96(\n ReturndataPointer rdPtr\n ) internal pure returns (int96 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int104 at `rdPtr` in returndata.\n function readInt104(\n ReturndataPointer rdPtr\n ) internal pure returns (int104 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int112 at `rdPtr` in returndata.\n function readInt112(\n ReturndataPointer rdPtr\n ) internal pure returns (int112 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int120 at `rdPtr` in returndata.\n function readInt120(\n ReturndataPointer rdPtr\n ) internal pure returns (int120 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int128 at `rdPtr` in returndata.\n function readInt128(\n ReturndataPointer rdPtr\n ) internal pure returns (int128 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int136 at `rdPtr` in returndata.\n function readInt136(\n ReturndataPointer rdPtr\n ) internal pure returns (int136 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int144 at `rdPtr` in returndata.\n function readInt144(\n ReturndataPointer rdPtr\n ) internal pure returns (int144 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int152 at `rdPtr` in returndata.\n function readInt152(\n ReturndataPointer rdPtr\n ) internal pure returns (int152 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int160 at `rdPtr` in returndata.\n function readInt160(\n ReturndataPointer rdPtr\n ) internal pure returns (int160 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int168 at `rdPtr` in returndata.\n function readInt168(\n ReturndataPointer rdPtr\n ) internal pure returns (int168 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int176 at `rdPtr` in returndata.\n function readInt176(\n ReturndataPointer rdPtr\n ) internal pure returns (int176 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int184 at `rdPtr` in returndata.\n function readInt184(\n ReturndataPointer rdPtr\n ) internal pure returns (int184 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int192 at `rdPtr` in returndata.\n function readInt192(\n ReturndataPointer rdPtr\n ) internal pure returns (int192 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int200 at `rdPtr` in returndata.\n function readInt200(\n ReturndataPointer rdPtr\n ) internal pure returns (int200 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int208 at `rdPtr` in returndata.\n function readInt208(\n ReturndataPointer rdPtr\n ) internal pure returns (int208 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int216 at `rdPtr` in returndata.\n function readInt216(\n ReturndataPointer rdPtr\n ) internal pure returns (int216 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int224 at `rdPtr` in returndata.\n function readInt224(\n ReturndataPointer rdPtr\n ) internal pure returns (int224 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int232 at `rdPtr` in returndata.\n function readInt232(\n ReturndataPointer rdPtr\n ) internal pure returns (int232 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int240 at `rdPtr` in returndata.\n function readInt240(\n ReturndataPointer rdPtr\n ) internal pure returns (int240 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int248 at `rdPtr` in returndata.\n function readInt248(\n ReturndataPointer rdPtr\n ) internal pure returns (int248 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n\n /// @dev Reads the int256 at `rdPtr` in returndata.\n function readInt256(\n ReturndataPointer rdPtr\n ) internal pure returns (int256 value) {\n assembly {\n returndatacopy(0, rdPtr, _OneWord)\n value := mload(0)\n }\n }\n}\n\nlibrary MemoryReaders {\n /// @dev Reads the memory pointer at `mPtr` in memory.\n function readMemoryPointer(\n MemoryPointer mPtr\n ) internal pure returns (MemoryPointer value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads value at `mPtr` & applies a mask to return only last 4 bytes\n function readMaskedUint256(\n MemoryPointer mPtr\n ) internal pure returns (uint256 value) {\n value = mPtr.readUint256() & OffsetOrLengthMask;\n }\n\n /// @dev Reads the bool at `mPtr` in memory.\n function readBool(MemoryPointer mPtr) internal pure returns (bool value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the address at `mPtr` in memory.\n function readAddress(\n MemoryPointer mPtr\n ) internal pure returns (address value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes1 at `mPtr` in memory.\n function readBytes1(\n MemoryPointer mPtr\n ) internal pure returns (bytes1 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes2 at `mPtr` in memory.\n function readBytes2(\n MemoryPointer mPtr\n ) internal pure returns (bytes2 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes3 at `mPtr` in memory.\n function readBytes3(\n MemoryPointer mPtr\n ) internal pure returns (bytes3 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes4 at `mPtr` in memory.\n function readBytes4(\n MemoryPointer mPtr\n ) internal pure returns (bytes4 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes5 at `mPtr` in memory.\n function readBytes5(\n MemoryPointer mPtr\n ) internal pure returns (bytes5 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes6 at `mPtr` in memory.\n function readBytes6(\n MemoryPointer mPtr\n ) internal pure returns (bytes6 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes7 at `mPtr` in memory.\n function readBytes7(\n MemoryPointer mPtr\n ) internal pure returns (bytes7 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes8 at `mPtr` in memory.\n function readBytes8(\n MemoryPointer mPtr\n ) internal pure returns (bytes8 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes9 at `mPtr` in memory.\n function readBytes9(\n MemoryPointer mPtr\n ) internal pure returns (bytes9 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes10 at `mPtr` in memory.\n function readBytes10(\n MemoryPointer mPtr\n ) internal pure returns (bytes10 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes11 at `mPtr` in memory.\n function readBytes11(\n MemoryPointer mPtr\n ) internal pure returns (bytes11 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes12 at `mPtr` in memory.\n function readBytes12(\n MemoryPointer mPtr\n ) internal pure returns (bytes12 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes13 at `mPtr` in memory.\n function readBytes13(\n MemoryPointer mPtr\n ) internal pure returns (bytes13 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes14 at `mPtr` in memory.\n function readBytes14(\n MemoryPointer mPtr\n ) internal pure returns (bytes14 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes15 at `mPtr` in memory.\n function readBytes15(\n MemoryPointer mPtr\n ) internal pure returns (bytes15 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes16 at `mPtr` in memory.\n function readBytes16(\n MemoryPointer mPtr\n ) internal pure returns (bytes16 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes17 at `mPtr` in memory.\n function readBytes17(\n MemoryPointer mPtr\n ) internal pure returns (bytes17 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes18 at `mPtr` in memory.\n function readBytes18(\n MemoryPointer mPtr\n ) internal pure returns (bytes18 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes19 at `mPtr` in memory.\n function readBytes19(\n MemoryPointer mPtr\n ) internal pure returns (bytes19 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes20 at `mPtr` in memory.\n function readBytes20(\n MemoryPointer mPtr\n ) internal pure returns (bytes20 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes21 at `mPtr` in memory.\n function readBytes21(\n MemoryPointer mPtr\n ) internal pure returns (bytes21 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes22 at `mPtr` in memory.\n function readBytes22(\n MemoryPointer mPtr\n ) internal pure returns (bytes22 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes23 at `mPtr` in memory.\n function readBytes23(\n MemoryPointer mPtr\n ) internal pure returns (bytes23 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes24 at `mPtr` in memory.\n function readBytes24(\n MemoryPointer mPtr\n ) internal pure returns (bytes24 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes25 at `mPtr` in memory.\n function readBytes25(\n MemoryPointer mPtr\n ) internal pure returns (bytes25 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes26 at `mPtr` in memory.\n function readBytes26(\n MemoryPointer mPtr\n ) internal pure returns (bytes26 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes27 at `mPtr` in memory.\n function readBytes27(\n MemoryPointer mPtr\n ) internal pure returns (bytes27 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes28 at `mPtr` in memory.\n function readBytes28(\n MemoryPointer mPtr\n ) internal pure returns (bytes28 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes29 at `mPtr` in memory.\n function readBytes29(\n MemoryPointer mPtr\n ) internal pure returns (bytes29 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes30 at `mPtr` in memory.\n function readBytes30(\n MemoryPointer mPtr\n ) internal pure returns (bytes30 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes31 at `mPtr` in memory.\n function readBytes31(\n MemoryPointer mPtr\n ) internal pure returns (bytes31 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the bytes32 at `mPtr` in memory.\n function readBytes32(\n MemoryPointer mPtr\n ) internal pure returns (bytes32 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint8 at `mPtr` in memory.\n function readUint8(MemoryPointer mPtr) internal pure returns (uint8 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint16 at `mPtr` in memory.\n function readUint16(\n MemoryPointer mPtr\n ) internal pure returns (uint16 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint24 at `mPtr` in memory.\n function readUint24(\n MemoryPointer mPtr\n ) internal pure returns (uint24 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint32 at `mPtr` in memory.\n function readUint32(\n MemoryPointer mPtr\n ) internal pure returns (uint32 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint40 at `mPtr` in memory.\n function readUint40(\n MemoryPointer mPtr\n ) internal pure returns (uint40 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint48 at `mPtr` in memory.\n function readUint48(\n MemoryPointer mPtr\n ) internal pure returns (uint48 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint56 at `mPtr` in memory.\n function readUint56(\n MemoryPointer mPtr\n ) internal pure returns (uint56 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint64 at `mPtr` in memory.\n function readUint64(\n MemoryPointer mPtr\n ) internal pure returns (uint64 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint72 at `mPtr` in memory.\n function readUint72(\n MemoryPointer mPtr\n ) internal pure returns (uint72 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint80 at `mPtr` in memory.\n function readUint80(\n MemoryPointer mPtr\n ) internal pure returns (uint80 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint88 at `mPtr` in memory.\n function readUint88(\n MemoryPointer mPtr\n ) internal pure returns (uint88 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint96 at `mPtr` in memory.\n function readUint96(\n MemoryPointer mPtr\n ) internal pure returns (uint96 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint104 at `mPtr` in memory.\n function readUint104(\n MemoryPointer mPtr\n ) internal pure returns (uint104 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint112 at `mPtr` in memory.\n function readUint112(\n MemoryPointer mPtr\n ) internal pure returns (uint112 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint120 at `mPtr` in memory.\n function readUint120(\n MemoryPointer mPtr\n ) internal pure returns (uint120 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint128 at `mPtr` in memory.\n function readUint128(\n MemoryPointer mPtr\n ) internal pure returns (uint128 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint136 at `mPtr` in memory.\n function readUint136(\n MemoryPointer mPtr\n ) internal pure returns (uint136 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint144 at `mPtr` in memory.\n function readUint144(\n MemoryPointer mPtr\n ) internal pure returns (uint144 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint152 at `mPtr` in memory.\n function readUint152(\n MemoryPointer mPtr\n ) internal pure returns (uint152 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint160 at `mPtr` in memory.\n function readUint160(\n MemoryPointer mPtr\n ) internal pure returns (uint160 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint168 at `mPtr` in memory.\n function readUint168(\n MemoryPointer mPtr\n ) internal pure returns (uint168 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint176 at `mPtr` in memory.\n function readUint176(\n MemoryPointer mPtr\n ) internal pure returns (uint176 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint184 at `mPtr` in memory.\n function readUint184(\n MemoryPointer mPtr\n ) internal pure returns (uint184 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint192 at `mPtr` in memory.\n function readUint192(\n MemoryPointer mPtr\n ) internal pure returns (uint192 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint200 at `mPtr` in memory.\n function readUint200(\n MemoryPointer mPtr\n ) internal pure returns (uint200 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint208 at `mPtr` in memory.\n function readUint208(\n MemoryPointer mPtr\n ) internal pure returns (uint208 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint216 at `mPtr` in memory.\n function readUint216(\n MemoryPointer mPtr\n ) internal pure returns (uint216 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint224 at `mPtr` in memory.\n function readUint224(\n MemoryPointer mPtr\n ) internal pure returns (uint224 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint232 at `mPtr` in memory.\n function readUint232(\n MemoryPointer mPtr\n ) internal pure returns (uint232 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint240 at `mPtr` in memory.\n function readUint240(\n MemoryPointer mPtr\n ) internal pure returns (uint240 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint248 at `mPtr` in memory.\n function readUint248(\n MemoryPointer mPtr\n ) internal pure returns (uint248 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the uint256 at `mPtr` in memory.\n function readUint256(\n MemoryPointer mPtr\n ) internal pure returns (uint256 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int8 at `mPtr` in memory.\n function readInt8(MemoryPointer mPtr) internal pure returns (int8 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int16 at `mPtr` in memory.\n function readInt16(MemoryPointer mPtr) internal pure returns (int16 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int24 at `mPtr` in memory.\n function readInt24(MemoryPointer mPtr) internal pure returns (int24 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int32 at `mPtr` in memory.\n function readInt32(MemoryPointer mPtr) internal pure returns (int32 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int40 at `mPtr` in memory.\n function readInt40(MemoryPointer mPtr) internal pure returns (int40 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int48 at `mPtr` in memory.\n function readInt48(MemoryPointer mPtr) internal pure returns (int48 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int56 at `mPtr` in memory.\n function readInt56(MemoryPointer mPtr) internal pure returns (int56 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int64 at `mPtr` in memory.\n function readInt64(MemoryPointer mPtr) internal pure returns (int64 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int72 at `mPtr` in memory.\n function readInt72(MemoryPointer mPtr) internal pure returns (int72 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int80 at `mPtr` in memory.\n function readInt80(MemoryPointer mPtr) internal pure returns (int80 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int88 at `mPtr` in memory.\n function readInt88(MemoryPointer mPtr) internal pure returns (int88 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int96 at `mPtr` in memory.\n function readInt96(MemoryPointer mPtr) internal pure returns (int96 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int104 at `mPtr` in memory.\n function readInt104(\n MemoryPointer mPtr\n ) internal pure returns (int104 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int112 at `mPtr` in memory.\n function readInt112(\n MemoryPointer mPtr\n ) internal pure returns (int112 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int120 at `mPtr` in memory.\n function readInt120(\n MemoryPointer mPtr\n ) internal pure returns (int120 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int128 at `mPtr` in memory.\n function readInt128(\n MemoryPointer mPtr\n ) internal pure returns (int128 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int136 at `mPtr` in memory.\n function readInt136(\n MemoryPointer mPtr\n ) internal pure returns (int136 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int144 at `mPtr` in memory.\n function readInt144(\n MemoryPointer mPtr\n ) internal pure returns (int144 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int152 at `mPtr` in memory.\n function readInt152(\n MemoryPointer mPtr\n ) internal pure returns (int152 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int160 at `mPtr` in memory.\n function readInt160(\n MemoryPointer mPtr\n ) internal pure returns (int160 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int168 at `mPtr` in memory.\n function readInt168(\n MemoryPointer mPtr\n ) internal pure returns (int168 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int176 at `mPtr` in memory.\n function readInt176(\n MemoryPointer mPtr\n ) internal pure returns (int176 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int184 at `mPtr` in memory.\n function readInt184(\n MemoryPointer mPtr\n ) internal pure returns (int184 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int192 at `mPtr` in memory.\n function readInt192(\n MemoryPointer mPtr\n ) internal pure returns (int192 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int200 at `mPtr` in memory.\n function readInt200(\n MemoryPointer mPtr\n ) internal pure returns (int200 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int208 at `mPtr` in memory.\n function readInt208(\n MemoryPointer mPtr\n ) internal pure returns (int208 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int216 at `mPtr` in memory.\n function readInt216(\n MemoryPointer mPtr\n ) internal pure returns (int216 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int224 at `mPtr` in memory.\n function readInt224(\n MemoryPointer mPtr\n ) internal pure returns (int224 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int232 at `mPtr` in memory.\n function readInt232(\n MemoryPointer mPtr\n ) internal pure returns (int232 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int240 at `mPtr` in memory.\n function readInt240(\n MemoryPointer mPtr\n ) internal pure returns (int240 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int248 at `mPtr` in memory.\n function readInt248(\n MemoryPointer mPtr\n ) internal pure returns (int248 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n\n /// @dev Reads the int256 at `mPtr` in memory.\n function readInt256(\n MemoryPointer mPtr\n ) internal pure returns (int256 value) {\n assembly {\n value := mload(mPtr)\n }\n }\n}\n\nlibrary MemoryWriters {\n /// @dev Writes `valuePtr` to memory at `mPtr`.\n function write(MemoryPointer mPtr, MemoryPointer valuePtr) internal pure {\n assembly {\n mstore(mPtr, valuePtr)\n }\n }\n\n /// @dev Writes a boolean `value` to `mPtr` in memory.\n function write(MemoryPointer mPtr, bool value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes an address `value` to `mPtr` in memory.\n function write(MemoryPointer mPtr, address value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes a bytes32 `value` to `mPtr` in memory.\n /// Separate name to disambiguate literal write parameters.\n function writeBytes32(MemoryPointer mPtr, bytes32 value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes a uint256 `value` to `mPtr` in memory.\n function write(MemoryPointer mPtr, uint256 value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n\n /// @dev Writes an int256 `value` to `mPtr` in memory.\n /// Separate name to disambiguate literal write parameters.\n function writeInt(MemoryPointer mPtr, int256 value) internal pure {\n assembly {\n mstore(mPtr, value)\n }\n }\n}\n"
},
"lib/seaport/lib/seaport-types/src/interfaces/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.7;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"lib/openzeppelin-contracts-upgradeable/contracts/utils/AddressUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)\n\npragma solidity ^0.8.19;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n *\n * _Available since v4.8._\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n if (success) {\n if (returndata.length == 0) {\n // only check if target is a contract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n require(target.code.length > 0, \"Address: call to non-contract\");\n }\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason or using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n function _revert(bytes memory returndata, string memory errorMessage) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n}\n"
},
"src/lib/ERC721SeaDropStructs.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\nimport { AllowListData, CreatorPayout } from \"./SeaDropStructs.sol\";\n\n/**\n * @notice A struct defining public drop data.\n * Designed to fit efficiently in two storage slots.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param paymentToken The payment token address. Null for\n * native token.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed. (The limit for this field is\n * 2^16 - 1)\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct PublicDrop {\n uint80 startPrice; // 80/512 bits\n uint80 endPrice; // 160/512 bits\n uint40 startTime; // 200/512 bits\n uint40 endTime; // 240/512 bits\n address paymentToken; // 400/512 bits\n uint16 maxTotalMintableByWallet; // 416/512 bits\n uint16 feeBps; // 432/512 bits\n bool restrictFeeRecipients; // 440/512 bits\n}\n\n/**\n * @notice A struct defining mint params for an allow list.\n * An allow list leaf will be composed of `msg.sender` and\n * the following params.\n *\n * Note: Since feeBps is encoded in the leaf, backend should ensure\n * that feeBps is acceptable before generating a proof.\n *\n * @param startPrice The start price per token. (Up to 1.2m\n * of native token, e.g. ETH, MATIC)\n * @param endPrice The end price per token. If this differs\n * from startPrice, the current price will\n * be calculated based on the current time.\n * @param startTime The start time, ensure this is not zero.\n * @param endTime The end time, ensure this is not zero.\n * @param paymentToken The payment token for the mint. Null for\n * native token.\n * @param maxTotalMintableByWallet Maximum total number of mints a user is\n * allowed.\n * @param maxTokenSupplyForStage The limit of token supply this stage can\n * mint within.\n * @param dropStageIndex The drop stage index to emit with the event\n * for analytical purposes. This should be\n * non-zero since the public mint emits with\n * index zero.\n * @param feeBps Fee out of 10_000 basis points to be\n * collected.\n * @param restrictFeeRecipients If false, allow any fee recipient;\n * if true, check fee recipient is allowed.\n */\nstruct MintParams {\n uint256 startPrice;\n uint256 endPrice;\n uint256 startTime;\n uint256 endTime;\n address paymentToken;\n uint256 maxTotalMintableByWallet;\n uint256 maxTokenSupplyForStage;\n uint256 dropStageIndex; // non-zero\n uint256 feeBps;\n bool restrictFeeRecipients;\n}\n\n/**\n * @dev Struct containing internal SeaDrop implementation logic\n * mint details to avoid stack too deep.\n *\n * @param feeRecipient The fee recipient.\n * @param payer The payer of the mint.\n * @param minter The mint recipient.\n * @param quantity The number of tokens to mint.\n * @param withEffects Whether to apply state changes of the mint.\n */\nstruct MintDetails {\n address feeRecipient;\n address payer;\n address minter;\n uint256 quantity;\n bool withEffects;\n}\n\n/**\n * @notice A struct to configure multiple contract options in one transaction.\n */\nstruct MultiConfigureStruct {\n uint256 maxSupply;\n string baseURI;\n string contractURI;\n PublicDrop publicDrop;\n string dropURI;\n AllowListData allowListData;\n CreatorPayout[] creatorPayouts;\n bytes32 provenanceHash;\n address[] allowedFeeRecipients;\n address[] disallowedFeeRecipients;\n address[] allowedPayers;\n address[] disallowedPayers;\n // Server-signed\n address[] allowedSigners;\n address[] disallowedSigners;\n // ERC-2981\n address royaltyReceiver;\n uint96 royaltyBps;\n // Mint\n address mintRecipient;\n uint256 mintQuantity;\n}\n"
}
},
"settings": {
"remappings": [
"forge-std/=lib/forge-std/src/",
"ds-test/=lib/forge-std/lib/ds-test/src/",
"ERC721A/=lib/ERC721A/contracts/",
"ERC721A-Upgradeable/=lib/ERC721A-Upgradeable/contracts/",
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"@openzeppelin-upgradeable/contracts/=lib/openzeppelin-contracts-upgradeable/contracts/",
"@rari-capital/solmate/=lib/seaport/lib/solmate/",
"murky/=lib/murky/src/",
"create2-scripts/=lib/create2-helpers/script/",
"seadrop/=src/",
"seaport-sol/=lib/seaport/lib/seaport-sol/",
"seaport-types/=lib/seaport/lib/seaport-types/",
"seaport-core/=lib/seaport/lib/seaport-core/",
"seaport-test-utils/=lib/seaport/test/foundry/utils/",
"solady/=lib/solady/"
],
"optimizer": {
"enabled": true,
"runs": 99999999
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "none",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "paris",
"libraries": {}
}
}}
|
1 | 19,498,517 |
83e68e03620475cc21617e259ba47b9bc74cc4c89520dbbc3fecc7c88d6609c3
|
9ee6fa9d3078755ac8b2b13325c530267b92356acd956b9a6273261a4fe645ba
|
d2c82f2e5fa236e114a81173e375a73664610998
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
a45b8e3eccdfe70a6670191533b1108cc61b1f13
|
3d602d80600a3d3981f3363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d73059ffafdc6ef594230de44f824e2bd0a51ca5ded5af43d82803e903d91602b57fd5bf3
|
pragma solidity 0.7.5;
/*
The MIT License (MIT)
Copyright (c) 2018 Murray Software, LLC.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
//solhint-disable max-line-length
//solhint-disable no-inline-assembly
contract CloneFactory {
function createClone(address target, bytes32 salt)
internal
returns (address payable result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the clone contract data
let clone := mload(0x40)
// The bytecode block below is responsible for contract initialization
// during deployment, it is worth noting the proxied contract constructor will not be called during
// the cloning procedure and that is why an initialization function needs to be called after the
// clone is created
mstore(
clone,
0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000
)
// This stores the address location of the implementation contract
// so that the proxy knows where to delegate call logic to
mstore(add(clone, 0x14), targetBytes)
// The bytecode block is the actual code that is deployed for each clone created.
// It forwards all calls to the already deployed implementation via a delegatecall
mstore(
add(clone, 0x28),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// deploy the contract using the CREATE2 opcode
// this deploys the minimal proxy defined above, which will proxy all
// calls to use the logic defined in the implementation contract `target`
result := create2(0, clone, 0x37, salt)
}
}
function isClone(address target, address query)
internal
view
returns (bool result)
{
bytes20 targetBytes = bytes20(target);
assembly {
// load the next free memory slot as a place to store the comparison clone
let clone := mload(0x40)
// The next three lines store the expected bytecode for a miniml proxy
// that targets `target` as its implementation contract
mstore(
clone,
0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000
)
mstore(add(clone, 0xa), targetBytes)
mstore(
add(clone, 0x1e),
0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000
)
// the next two lines store the bytecode of the contract that we are checking in memory
let other := add(clone, 0x40)
extcodecopy(query, other, 0, 0x2d)
// Check if the expected bytecode equals the actual bytecode and return the result
result := and(
eq(mload(clone), mload(other)),
eq(mload(add(clone, 0xd)), mload(add(other, 0xd)))
)
}
}
}
/**
* Contract that exposes the needed erc20 token functions
*/
abstract contract ERC20Interface {
// Send _value amount of tokens to address _to
function transfer(address _to, uint256 _value)
public
virtual
returns (bool success);
// Get the account balance of another account with address _owner
function balanceOf(address _owner)
public
virtual
view
returns (uint256 balance);
}
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}
/**
* Contract that will forward any incoming Ether to the creator of the contract
*
*/
contract Forwarder {
// Address to which any funds sent to this contract will be forwarded
address public parentAddress;
event ForwarderDeposited(address from, uint256 value, bytes data);
/**
* Initialize the contract, and sets the destination address to that of the creator
*/
function init(address _parentAddress) external onlyUninitialized {
parentAddress = _parentAddress;
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
// NOTE: since we are forwarding on initialization,
// we don't have the context of the original sender.
// We still emit an event about the forwarding but set
// the sender to the forwarder itself
emit ForwarderDeposited(address(this), value, msg.data);
}
/**
* Modifier that will execute internal code block only if the sender is the parent address
*/
modifier onlyParent {
require(msg.sender == parentAddress, 'Only Parent');
_;
}
/**
* Modifier that will execute internal code block only if the contract has not been initialized yet
*/
modifier onlyUninitialized {
require(parentAddress == address(0x0), 'Already initialized');
_;
}
/**
* Default function; Gets called when data is sent but does not match any other function
*/
fallback() external payable {
flush();
}
/**
* Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address
*/
receive() external payable {
flush();
}
/**
* Execute a token transfer of the full balance from the forwarder token to the parent address
* @param tokenContractAddress the address of the erc20 token contract
*/
function flushTokens(address tokenContractAddress) external onlyParent {
ERC20Interface instance = ERC20Interface(tokenContractAddress);
address forwarderAddress = address(this);
uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
if (forwarderBalance == 0) {
return;
}
TransferHelper.safeTransfer(
tokenContractAddress,
parentAddress,
forwarderBalance
);
}
/**
* Flush the entire balance of the contract to the parent address.
*/
function flush() public {
uint256 value = address(this).balance;
if (value == 0) {
return;
}
(bool success, ) = parentAddress.call{ value: value }('');
require(success, 'Flush failed');
emit ForwarderDeposited(msg.sender, value, msg.data);
}
}
contract ForwarderFactory is CloneFactory {
address public implementationAddress;
event ForwarderCreated(address newForwarderAddress, address parentAddress);
constructor(address _implementationAddress) {
implementationAddress = _implementationAddress;
}
function createForwarder(address parent, bytes32 salt) external {
// include the signers in the salt so any contract deployed to a given address must have the same signers
bytes32 finalSalt = keccak256(abi.encodePacked(parent, salt));
address payable clone = createClone(implementationAddress, finalSalt);
Forwarder(clone).init(parent);
emit ForwarderCreated(clone, parent);
}
}
|
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