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{{ "language": "Solidity", "sources": { "/contracts/XENFT.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/token/ERC721/ERC721.sol\";\nimport \"@openzeppelin/contracts/interfaces/IERC2981.sol\";\nimport \"@openzeppelin/contracts/utils/Base64.sol\";\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"@faircrypto/xen-crypto/contracts/XENCrypto.sol\";\nimport \"@faircrypto/xen-crypto/contracts/interfaces/IBurnableToken.sol\";\nimport \"@faircrypto/xen-crypto/contracts/interfaces/IBurnRedeemable.sol\";\nimport \"operator-filter-registry/src/DefaultOperatorFilterer.sol\";\nimport \"./libs/ERC2771Context.sol\";\nimport \"./interfaces/IERC2771.sol\";\nimport \"./interfaces/IXENTorrent.sol\";\nimport \"./interfaces/IXENProxying.sol\";\nimport \"./libs/MintInfo.sol\";\nimport \"./libs/Metadata.sol\";\nimport \"./libs/Array.sol\";\n\n/*\n\n \\\\ // ||||||||||| |\\ || A CRYPTOCURRENCY FOR THE MASSES\n \\\\ // || |\\\\ ||\n \\\\ // || ||\\\\ || PRINCIPLES OF XEN:\n \\\\// || || \\\\ || - No pre-mint; starts with zero supply\n XX |||||||| || \\\\ || - No admin keys\n //\\\\ || || \\\\ || - Immutable contract\n // \\\\ || || \\\\||\n // \\\\ || || \\\\|\n // \\\\ ||||||||||| || \\| Copyright (C) FairCrypto Foundation 2022\n\n\n XENFT XEN Torrent props:\n - count: number of VMUs\n - mintInfo: (term, maturityTs, cRank start, AMP, EAA, apex, limited, group, redeemed)\n */\ncontract XENTorrent is\n DefaultOperatorFilterer, // required to support OpenSea royalties\n IXENTorrent,\n IXENProxying,\n IBurnableToken,\n IBurnRedeemable,\n ERC2771Context, // required to support meta transactions\n IERC2981, // required to support NFT royalties\n ERC721(\"XEN Torrent\", \"XENT\")\n{\n // HELPER LIBRARIES\n\n using Strings for uint256;\n using MintInfo for uint256;\n using Array for uint256[];\n\n // PUBLIC CONSTANTS\n\n // XENFT common business logic\n uint256 public constant BLACKOUT_TERM = 7 * 24 * 3600; /* 7 days in sec */\n\n // XENFT categories' params\n uint256 public constant COMMON_CATEGORY_COUNTER = 10_001;\n uint256 public constant SPECIAL_CATEGORIES_VMU_THRESHOLD = 99;\n uint256 public constant LIMITED_CATEGORY_TIME_THRESHOLD = 3_600 * 24 * 365;\n\n uint256 public constant POWER_GROUP_SIZE = 7_500;\n\n string public constant AUTHORS = \"@MrJackLevin @lbelyaev faircrypto.org\";\n\n uint256 public constant ROYALTY_BP = 250;\n\n // PUBLIC MUTABLE STATE\n\n // increasing counters for NFT tokenIds, also used as salt for proxies' spinning\n uint256 public tokenIdCounter = COMMON_CATEGORY_COUNTER;\n\n // Indexing of params by categories and classes:\n // 0: Collector\n // 1: Limited\n // 2: Rare\n // 3: Epic\n // 4: Legendary\n // 5: Exotic\n // 6: Xunicorn\n // [0, B1, B2, B3, B4, B5, B6]\n uint256[] public specialClassesBurnRates;\n // [0, 0, R1, R2, R3, R4, R5]\n uint256[] public specialClassesTokenLimits;\n // [0, 0, 0 + 1, R1+1, R2+1, R3+1, R4+1]\n uint256[] public specialClassesCounters;\n\n // mapping: NFT tokenId => count of Virtual Mining Units\n mapping(uint256 => uint256) public vmuCount;\n // mapping: NFT tokenId => burned XEN\n mapping(uint256 => uint256) public xenBurned;\n // mapping: NFT tokenId => MintInfo (used in tokenURI generation)\n // MintInfo encoded as:\n // term (uint16)\n // | maturityTs (uint64)\n // | rank (uint128)\n // | amp (uint16)\n // | eaa (uint16)\n // | class (uint8):\n // [7] isApex\n // [6] isLimited\n // [0-5] powerGroupIdx\n // | redeemed (uint8)\n mapping(uint256 => uint256) public mintInfo;\n\n // PUBLIC IMMUTABLE STATE\n\n // pointer to XEN Crypto contract\n XENCrypto public immutable xenCrypto;\n // genesisTs for the contract\n uint256 public immutable genesisTs;\n // start of operations block number\n uint256 public immutable startBlockNumber;\n\n // PRIVATE STATE\n\n // original contract marking to distinguish from proxy copies\n address private immutable _original;\n // original deployer address to be used for setting trusted forwarder\n address private immutable _deployer;\n // address to be used for royalties' tracking\n address private immutable _royaltyReceiver;\n\n // reentrancy guard constants and state\n // using non-zero constants to save gas avoiding repeated initialization\n uint256 private constant _NOT_USED = 2**256 - 1; // 0xFF..FF\n uint256 private constant _USED = _NOT_USED - 1; // 0xFF..FE\n // used as both\n // - reentrancy guard (_NOT_USED > _USED > _NOT_USED)\n // - for keeping state while awaiting for OnTokenBurned callback (_NOT_USED > tokenId > _NOT_USED)\n uint256 private _tokenId;\n\n // mapping Address => tokenId[]\n mapping(address => uint256[]) private _ownedTokens;\n\n /**\n @dev Constructor. Creates XEN Torrent contract, setting immutable parameters\n */\n constructor(\n address xenCrypto_,\n uint256[] memory burnRates_,\n uint256[] memory tokenLimits_,\n uint256 startBlockNumber_,\n address forwarder_,\n address royaltyReceiver_\n ) ERC2771Context(forwarder_) {\n require(xenCrypto_ != address(0), \"bad address\");\n require(burnRates_.length == tokenLimits_.length && burnRates_.length > 0, \"params mismatch\");\n _tokenId = _NOT_USED;\n _original = address(this);\n _deployer = msg.sender;\n _royaltyReceiver = royaltyReceiver_ == address(0) ? msg.sender : royaltyReceiver_;\n startBlockNumber = startBlockNumber_;\n genesisTs = block.timestamp;\n xenCrypto = XENCrypto(xenCrypto_);\n specialClassesBurnRates = burnRates_;\n specialClassesTokenLimits = tokenLimits_;\n specialClassesCounters = new uint256[](tokenLimits_.length);\n for (uint256 i = 2; i < specialClassesBurnRates.length - 1; i++) {\n specialClassesCounters[i] = specialClassesTokenLimits[i + 1] + 1;\n }\n specialClassesCounters[specialClassesBurnRates.length - 1] = 1;\n }\n\n /**\n @dev Call Reentrancy Guard\n */\n modifier nonReentrant() {\n require(_tokenId == _NOT_USED, \"XENFT: Reentrancy detected\");\n _tokenId = _USED;\n _;\n _tokenId = _NOT_USED;\n }\n\n /**\n @dev Start of Operations Guard\n */\n modifier notBeforeStart() {\n require(block.number > startBlockNumber, \"XENFT: Not active yet\");\n _;\n }\n\n // INTERFACES & STANDARDS\n // IERC165 IMPLEMENTATION\n\n /**\n @dev confirms support for IERC-165, IERC-721, IERC2981, IERC2771 and IBurnRedeemable interfaces\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {\n return\n interfaceId == type(IBurnRedeemable).interfaceId ||\n interfaceId == type(IERC2981).interfaceId ||\n interfaceId == type(IERC2771).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n // ERC2771 IMPLEMENTATION\n\n /**\n @dev use ERC2771Context implementation of _msgSender()\n */\n function _msgSender() internal view virtual override(Context, ERC2771Context) returns (address) {\n return ERC2771Context._msgSender();\n }\n\n /**\n @dev use ERC2771Context implementation of _msgData()\n */\n function _msgData() internal view virtual override(Context, ERC2771Context) returns (bytes calldata) {\n return ERC2771Context._msgData();\n }\n\n // OWNABLE IMPLEMENTATION\n\n /**\n @dev public getter to check for deployer / owner (Opensea, etc.)\n */\n function owner() external view returns (address) {\n return _deployer;\n }\n\n // ERC-721 METADATA IMPLEMENTATION\n /**\n @dev compliance with ERC-721 standard (NFT); returns NFT metadata, including SVG-encoded image\n */\n function tokenURI(uint256 tokenId) public view override returns (string memory) {\n uint256 count = vmuCount[tokenId];\n uint256 info = mintInfo[tokenId];\n uint256 burned = xenBurned[tokenId];\n require(count > 0);\n bytes memory dataURI = abi.encodePacked(\n \"{\",\n '\"name\": \"XEN Torrent #',\n tokenId.toString(),\n '\",',\n '\"description\": \"XENFT: XEN Crypto Minting Torrent\",',\n '\"image\": \"',\n \"data:image/svg+xml;base64,\",\n Base64.encode(Metadata.svgData(tokenId, count, info, address(xenCrypto), burned)),\n '\",',\n '\"attributes\": ',\n Metadata.attributes(count, burned, info),\n \"}\"\n );\n return string(abi.encodePacked(\"data:application/json;base64,\", Base64.encode(dataURI)));\n }\n\n // IMPLEMENTATION OF XENProxying INTERFACE\n // FUNCTIONS IN PROXY COPY CONTRACTS (VMUs), CALLING ORIGINAL XEN CRYPTO CONTRACT\n /**\n @dev function callable only in proxy contracts from the original one => XENCrypto.claimRank(term)\n */\n function callClaimRank(uint256 term) external {\n require(msg.sender == _original, \"XEN Proxy: unauthorized\");\n bytes memory callData = abi.encodeWithSignature(\"claimRank(uint256)\", term);\n (bool success, ) = address(xenCrypto).call(callData);\n require(success, \"call failed\");\n }\n\n /**\n @dev function callable only in proxy contracts from the original one => XENCrypto.claimMintRewardAndShare()\n */\n function callClaimMintReward(address to) external {\n require(msg.sender == _original, \"XEN Proxy: unauthorized\");\n bytes memory callData = abi.encodeWithSignature(\"claimMintRewardAndShare(address,uint256)\", to, uint256(100));\n (bool success, ) = address(xenCrypto).call(callData);\n require(success, \"call failed\");\n }\n\n /**\n @dev function callable only in proxy contracts from the original one => destroys the proxy contract\n */\n function powerDown() external {\n require(msg.sender == _original, \"XEN Proxy: unauthorized\");\n selfdestruct(payable(address(0)));\n }\n\n // OVERRIDING OF ERC-721 IMPLEMENTATION\n // ENFORCEMENT OF TRANSFER BLACKOUT PERIOD\n\n /**\n @dev overrides OZ ERC-721 before transfer hook to check if there's no blackout period\n */\n function _beforeTokenTransfer(\n address from,\n address,\n uint256 tokenId\n ) internal virtual override {\n if (from != address(0)) {\n uint256 maturityTs = mintInfo[tokenId].getMaturityTs();\n uint256 delta = maturityTs > block.timestamp ? maturityTs - block.timestamp : block.timestamp - maturityTs;\n require(delta > BLACKOUT_TERM, \"XENFT: transfer prohibited in blackout period\");\n }\n }\n\n /**\n @dev overrides OZ ERC-721 after transfer hook to allow token enumeration for owner\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual override {\n _ownedTokens[from].removeItem(tokenId);\n _ownedTokens[to].addItem(tokenId);\n }\n\n // IBurnRedeemable IMPLEMENTATION\n\n /**\n @dev implements IBurnRedeemable interface for burning XEN and completing Bulk Mint for limited series\n */\n function onTokenBurned(address user, uint256 burned) external {\n require(_tokenId != _NOT_USED, \"XENFT: illegal callback state\");\n require(msg.sender == address(xenCrypto), \"XENFT: illegal callback caller\");\n _ownedTokens[user].addItem(_tokenId);\n xenBurned[_tokenId] = burned;\n _safeMint(user, _tokenId);\n emit StartTorrent(user, vmuCount[_tokenId], mintInfo[_tokenId].getTerm());\n _tokenId = _NOT_USED;\n }\n\n // IBurnableToken IMPLEMENTATION\n\n /**\n @dev burns XENTorrent XENFT which can be used by connected contracts services\n */\n function burn(address user, uint256 tokenId) public notBeforeStart nonReentrant {\n require(\n IERC165(_msgSender()).supportsInterface(type(IBurnRedeemable).interfaceId),\n \"XENFT burn: not a supported contract\"\n );\n require(user != address(0), \"XENFT burn: illegal owner address\");\n require(tokenId > 0, \"XENFT burn: illegal tokenId\");\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"XENFT burn: not an approved operator\");\n require(ownerOf(tokenId) == user, \"XENFT burn: user is not tokenId owner\");\n _ownedTokens[user].removeItem(tokenId);\n _burn(tokenId);\n IBurnRedeemable(_msgSender()).onTokenBurned(user, tokenId);\n }\n\n // OVERRIDING ERC-721 IMPLEMENTATION TO ALLOW OPENSEA ROYALTIES ENFORCEMENT PROTOCOL\n\n /**\n @dev implements `setApprovalForAll` with additional approved Operator checking\n */\n function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) {\n super.setApprovalForAll(operator, approved);\n }\n\n /**\n @dev implements `approve` with additional approved Operator checking\n */\n function approve(address operator, uint256 tokenId) public override onlyAllowedOperatorApproval(operator) {\n super.approve(operator, tokenId);\n }\n\n /**\n @dev implements `transferFrom` with additional approved Operator checking\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public override onlyAllowedOperator(from) {\n super.transferFrom(from, to, tokenId);\n }\n\n /**\n @dev implements `safeTransferFrom` with additional approved Operator checking\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public override onlyAllowedOperator(from) {\n super.safeTransferFrom(from, to, tokenId);\n }\n\n /**\n @dev implements `safeTransferFrom` with additional approved Operator checking\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) public override onlyAllowedOperator(from) {\n super.safeTransferFrom(from, to, tokenId, data);\n }\n\n // SUPPORT FOR ERC2771 META-TRANSACTIONS\n\n /**\n @dev Implements setting a `Trusted Forwarder` for meta-txs. Settable only once\n */\n function addForwarder(address trustedForwarder) external {\n require(msg.sender == _deployer, \"XENFT: not an deployer\");\n require(_trustedForwarder == address(0), \"XENFT: Forwarder is already set\");\n _trustedForwarder = trustedForwarder;\n }\n\n // SUPPORT FOR ERC2981 ROYALTY INFO\n\n /**\n @dev Implements getting Royalty Info by supported operators. ROYALTY_BP is expressed in basis points\n */\n function royaltyInfo(uint256, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount) {\n receiver = _royaltyReceiver;\n royaltyAmount = (salePrice * ROYALTY_BP) / 10_000;\n }\n\n // XEN TORRENT PRIVATE / INTERNAL HELPERS\n\n /**\n @dev Sets specified XENFT as redeemed\n */\n function _setRedeemed(uint256 tokenId) private {\n mintInfo[tokenId] = mintInfo[tokenId] | uint256(1);\n }\n\n /**\n @dev Determines power group index for Collector Category\n */\n function _powerGroup(uint256 vmus, uint256 term) private pure returns (uint256) {\n return (vmus * term) / POWER_GROUP_SIZE;\n }\n\n /**\n @dev calculates Collector Class index\n */\n function _classIdx(uint256 count, uint256 term) private pure returns (uint256 index) {\n if (_powerGroup(count, term) > 7) return 7;\n return _powerGroup(count, term);\n }\n\n /**\n @dev internal helper to determine special class tier based on XEN to be burned\n */\n function _specialTier(uint256 burning) private view returns (uint256) {\n for (uint256 i = specialClassesBurnRates.length - 1; i > 0; i--) {\n if (specialClassesBurnRates[i] == 0) {\n return 0;\n }\n if (burning > specialClassesBurnRates[i] - 1) {\n return i;\n }\n }\n return 0;\n }\n\n /**\n @dev internal helper to collect params and encode MintInfo\n */\n function _mintInfo(\n address proxy,\n uint256 count,\n uint256 term,\n uint256 burning,\n uint256 tokenId\n ) private view returns (uint256) {\n bool apex = isApex(tokenId);\n uint256 _class = _classIdx(count, term);\n if (apex) _class = uint8(7 + _specialTier(burning)) | 0x80; // Apex Class\n if (burning > 0 && !apex) _class = uint8(8) | 0x40; // Limited Class\n (, , uint256 maturityTs, uint256 rank, uint256 amp, uint256 eaa) = xenCrypto.userMints(proxy);\n return MintInfo.encodeMintInfo(term, maturityTs, rank, amp, eaa, _class, false);\n }\n\n /**\n @dev internal torrent interface. initiates Bulk Mint (Torrent) Operation\n */\n function _bulkClaimRank(\n uint256 count,\n uint256 term,\n uint256 tokenId,\n uint256 burning\n ) private {\n bytes memory bytecode = bytes.concat(\n bytes20(0x3D602d80600A3D3981F3363d3d373d3D3D363d73),\n bytes20(address(this)),\n bytes15(0x5af43d82803e903d91602b57fd5bf3)\n );\n bytes memory callData = abi.encodeWithSignature(\"callClaimRank(uint256)\", term);\n address proxy;\n bool succeeded;\n for (uint256 i = 1; i < count + 1; i++) {\n bytes32 salt = keccak256(abi.encodePacked(i, tokenId));\n assembly {\n proxy := create2(0, add(bytecode, 0x20), mload(bytecode), salt)\n succeeded := call(gas(), proxy, 0, add(callData, 0x20), mload(callData), 0, 0)\n }\n require(succeeded, \"XENFT: Error while claiming rank\");\n if (i == 1) {\n mintInfo[tokenId] = _mintInfo(proxy, count, term, burning, tokenId);\n }\n }\n vmuCount[tokenId] = count;\n }\n\n /**\n @dev internal helper to claim tokenId (limited / ordinary)\n */\n function _getTokenId(uint256 count, uint256 burning) private returns (uint256) {\n // burn possibility has already been verified\n uint256 tier = _specialTier(burning);\n if (tier == 1) {\n require(count > SPECIAL_CATEGORIES_VMU_THRESHOLD, \"XENFT: under req VMU count\");\n require(block.timestamp < genesisTs + LIMITED_CATEGORY_TIME_THRESHOLD, \"XENFT: limited time expired\");\n return tokenIdCounter++;\n }\n if (tier > 1) {\n require(_msgSender() == tx.origin, \"XENFT: only EOA allowed for this category\");\n require(count > SPECIAL_CATEGORIES_VMU_THRESHOLD, \"XENFT: under req VMU count\");\n require(specialClassesCounters[tier] < specialClassesTokenLimits[tier] + 1, \"XENFT: class sold out\");\n return specialClassesCounters[tier]++;\n }\n return tokenIdCounter++;\n }\n\n // PUBLIC GETTERS\n\n /**\n @dev public getter for tokens owned by address\n */\n function ownedTokens() external view returns (uint256[] memory) {\n return _ownedTokens[_msgSender()];\n }\n\n /**\n @dev determines if tokenId corresponds to Limited Category\n */\n function isApex(uint256 tokenId) public pure returns (bool apex) {\n apex = tokenId < COMMON_CATEGORY_COUNTER;\n }\n\n // PUBLIC TRANSACTIONAL INTERFACE\n\n /**\n @dev public XEN Torrent interface\n initiates Bulk Mint (Torrent) Operation (Common Category)\n */\n function bulkClaimRank(uint256 count, uint256 term) public notBeforeStart returns (uint256 tokenId) {\n require(_tokenId == _NOT_USED, \"XENFT: reentrancy detected\");\n require(count > 0, \"XENFT: Illegal count\");\n require(term > 0, \"XENFT: Illegal term\");\n _tokenId = _getTokenId(count, 0);\n _bulkClaimRank(count, term, _tokenId, 0);\n _ownedTokens[_msgSender()].addItem(_tokenId);\n _safeMint(_msgSender(), _tokenId);\n emit StartTorrent(_msgSender(), count, term);\n tokenId = _tokenId;\n _tokenId = _NOT_USED;\n }\n\n /**\n @dev public torrent interface. initiates Bulk Mint (Torrent) Operation (Special Category)\n */\n function bulkClaimRankLimited(\n uint256 count,\n uint256 term,\n uint256 burning\n ) public notBeforeStart returns (uint256) {\n require(_tokenId == _NOT_USED, \"XENFT: reentrancy detected\");\n require(count > 0, \"XENFT: Illegal count\");\n require(term > 0, \"XENFT: Illegal term\");\n require(burning > specialClassesBurnRates[1] - 1, \"XENFT: not enough burn amount\");\n uint256 balance = IERC20(xenCrypto).balanceOf(_msgSender());\n require(balance > burning - 1, \"XENFT: not enough XEN balance\");\n uint256 approved = IERC20(xenCrypto).allowance(_msgSender(), address(this));\n require(approved > burning - 1, \"XENFT: not enough XEN balance approved for burn\");\n _tokenId = _getTokenId(count, burning);\n _bulkClaimRank(count, term, _tokenId, burning);\n IBurnableToken(xenCrypto).burn(_msgSender(), burning);\n return _tokenId;\n }\n\n /**\n @dev public torrent interface. initiates Mint Reward claim and collection and terminates Torrent Operation\n */\n function bulkClaimMintReward(uint256 tokenId, address to) external notBeforeStart nonReentrant {\n require(ownerOf(tokenId) == _msgSender(), \"XENFT: Incorrect owner\");\n require(to != address(0), \"XENFT: Illegal address\");\n require(!mintInfo[tokenId].getRedeemed(), \"XENFT: Already redeemed\");\n bytes memory bytecode = bytes.concat(\n bytes20(0x3D602d80600A3D3981F3363d3d373d3D3D363d73),\n bytes20(address(this)),\n bytes15(0x5af43d82803e903d91602b57fd5bf3)\n );\n uint256 end = vmuCount[tokenId] + 1;\n bytes memory callData = abi.encodeWithSignature(\"callClaimMintReward(address)\", to);\n bytes memory callData1 = abi.encodeWithSignature(\"powerDown()\");\n for (uint256 i = 1; i < end; i++) {\n bytes32 salt = keccak256(abi.encodePacked(i, tokenId));\n bool succeeded;\n bytes32 hash = keccak256(abi.encodePacked(hex\"ff\", address(this), salt, keccak256(bytecode)));\n address proxy = address(uint160(uint256(hash)));\n assembly {\n succeeded := call(gas(), proxy, 0, add(callData, 0x20), mload(callData), 0, 0)\n }\n require(succeeded, \"XENFT: Error while claiming rewards\");\n assembly {\n succeeded := call(gas(), proxy, 0, add(callData1, 0x20), mload(callData1), 0, 0)\n }\n require(succeeded, \"XENFT: Error while powering down\");\n }\n _setRedeemed(tokenId);\n emit EndTorrent(_msgSender(), tokenId, to);\n }\n}\n" }, "/contracts/libs/StringData.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\n/*\n Extra XEN quotes:\n\n \"When you realize nothing is lacking, the whole world belongs to you.\" - Lao Tzu\n \"Each morning, we are born again. What we do today is what matters most.\" - Buddha\n \"If you are depressed, you are living in the past.\" - Lao Tzu\n \"In true dialogue, both sides are willing to change.\" - Thich Nhat Hanh\n \"The spirit of the individual is determined by his domination thought habits.\" - Bruce Lee\n \"Be the path. Do not seek it.\" - Yara Tschallener\n \"Bow to no one but your own divinity.\" - Satya\n \"With insight there is hope for awareness, and with awareness there can be change.\" - Tom Kenyon\n \"The opposite of depression isn't happiness, it is purpose.\" - Derek Sivers\n \"If you can't, you must.\" - Tony Robbins\n “When you are grateful, fear disappears and abundance appears.” - Lao Tzu\n “It is in your moments of decision that your destiny is shaped.” - Tony Robbins\n \"Surmounting difficulty is the crucible that forms character.\" - Tony Robbins\n \"Three things cannot be long hidden: the sun, the moon, and the truth.\" - Buddha\n \"What you are is what you have been. What you’ll be is what you do now.\" - Buddha\n \"The best way to take care of our future is to take care of the present moment.\" - Thich Nhat Hanh\n*/\n\n/**\n @dev a library to supply a XEN string data based on params\n*/\nlibrary StringData {\n uint256 public constant QUOTES_COUNT = 12;\n uint256 public constant QUOTE_LENGTH = 66;\n bytes public constant QUOTES =\n bytes(\n '\"If you realize you have enough, you are truly rich.\" - Lao Tzu '\n '\"The real meditation is how you live your life.\" - Jon Kabat-Zinn '\n '\"To know that you do not know is the best.\" - Lao Tzu '\n '\"An over-sharpened sword cannot last long.\" - Lao Tzu '\n '\"When you accept yourself, the whole world accepts you.\" - Lao Tzu'\n '\"Music in the soul can be heard by the universe.\" - Lao Tzu '\n '\"As soon as you have made a thought, laugh at it.\" - Lao Tzu '\n '\"The further one goes, the less one knows.\" - Lao Tzu '\n '\"Stop thinking, and end your problems.\" - Lao Tzu '\n '\"Reliability is the foundation of commitment.\" - Unknown '\n '\"Your past does not equal your future.\" - Tony Robbins '\n '\"Be the path. Do not seek it.\" - Yara Tschallener '\n );\n uint256 public constant CLASSES_COUNT = 14;\n uint256 public constant CLASSES_NAME_LENGTH = 10;\n bytes public constant CLASSES =\n bytes(\n \"Ruby \"\n \"Opal \"\n \"Topaz \"\n \"Emerald \"\n \"Aquamarine\"\n \"Sapphire \"\n \"Amethyst \"\n \"Xenturion \"\n \"Limited \"\n \"Rare \"\n \"Epic \"\n \"Legendary \"\n \"Exotic \"\n \"Xunicorn \"\n );\n\n /**\n @dev Solidity doesn't yet support slicing of byte arrays anywhere outside of calldata,\n therefore we make a hack by supplying our local constant packed string array as calldata\n */\n function getQuote(bytes calldata quotes, uint256 index) external pure returns (string memory) {\n if (index > QUOTES_COUNT - 1) return string(quotes[0:QUOTE_LENGTH]);\n return string(quotes[index * QUOTE_LENGTH:(index + 1) * QUOTE_LENGTH]);\n }\n\n function getClassName(bytes calldata names, uint256 index) external pure returns (string memory) {\n if (index < CLASSES_COUNT) return string(names[index * CLASSES_NAME_LENGTH:(index + 1) * CLASSES_NAME_LENGTH]);\n return \"\";\n }\n}\n" }, "/contracts/libs/SVG.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"./DateTime.sol\";\nimport \"./StringData.sol\";\nimport \"./FormattedStrings.sol\";\n\n/*\n @dev Library to create SVG image for XENFT metadata\n @dependency depends on DataTime.sol and StringData.sol libraries\n */\nlibrary SVG {\n // Type to encode all data params for SVG image generation\n struct SvgParams {\n string symbol;\n address xenAddress;\n uint256 tokenId;\n uint256 term;\n uint256 rank;\n uint256 count;\n uint256 maturityTs;\n uint256 amp;\n uint256 eaa;\n uint256 xenBurned;\n bool redeemed;\n string series;\n }\n\n // Type to encode SVG gradient stop color on HSL color scale\n struct Color {\n uint256 h;\n uint256 s;\n uint256 l;\n uint256 a;\n uint256 off;\n }\n\n // Type to encode SVG gradient\n struct Gradient {\n Color[] colors;\n uint256 id;\n uint256[4] coords;\n }\n\n using DateTime for uint256;\n using Strings for uint256;\n using FormattedStrings for uint256;\n using Strings for address;\n\n string private constant _STYLE =\n \"<style> \"\n \".base {fill: #ededed;font-family:Montserrat,arial,sans-serif;font-size:30px;font-weight:400;} \"\n \".series {text-transform: uppercase} \"\n \".logo {font-size:200px;font-weight:100;} \"\n \".meta {font-size:12px;} \"\n \".small {font-size:8px;} \"\n \".burn {font-weight:500;font-size:16px;} }\"\n \"</style>\";\n\n string private constant _COLLECTOR =\n \"<g>\"\n \"<path \"\n 'stroke=\"#ededed\" '\n 'fill=\"none\" '\n 'transform=\"translate(265,418)\" '\n 'd=\"m 0 0 L -20 -30 L -12.5 -38.5 l 6.5 7 L 0 -38.5 L 6.56 -31.32 L 12.5 -38.5 L 20 -30 L 0 0 L -7.345 -29.955 L 0 -38.5 L 7.67 -30.04 L 0 0 Z M 0 0 L -20.055 -29.955 l 7.555 -8.545 l 24.965 -0.015 L 20 -30 L -20.055 -29.955\"/>'\n \"</g>\";\n\n string private constant _LIMITED =\n \"<g> \"\n '<path fill=\"#ededed\" '\n 'transform=\"scale(0.4) translate(600, 940)\" '\n 'd=\"M66,38.09q.06.9.18,1.71v.05c1,7.08,4.63,11.39,9.59,13.81,5.18,2.53,11.83,3.09,18.48,2.61,1.49-.11,3-.27,4.39-.47l1.59-.2c4.78-.61,11.47-1.48,13.35-5.06,1.16-2.2,1-5,0-8a38.85,38.85,0,0,0-6.89-11.73A32.24,32.24,0,0,0,95,21.46,21.2,21.2,0,0,0,82.3,20a23.53,23.53,0,0,0-12.75,7,15.66,15.66,0,0,0-2.35,3.46h0a20.83,20.83,0,0,0-1,2.83l-.06.2,0,.12A12,12,0,0,0,66,37.9l0,.19Zm26.9-3.63a5.51,5.51,0,0,1,2.53-4.39,14.19,14.19,0,0,0-5.77-.59h-.16l.06.51a5.57,5.57,0,0,0,2.89,4.22,4.92,4.92,0,0,0,.45.24ZM88.62,28l.94-.09a13.8,13.8,0,0,1,8,1.43,7.88,7.88,0,0,1,3.92,6.19l0,.43a.78.78,0,0,1-.66.84A19.23,19.23,0,0,1,98,37a12.92,12.92,0,0,1-6.31-1.44A7.08,7.08,0,0,1,88,30.23a10.85,10.85,0,0,1-.1-1.44.8.8,0,0,1,.69-.78ZM14.15,10c-.06-5.86,3.44-8.49,8-9.49C26.26-.44,31.24.16,34.73.7A111.14,111.14,0,0,1,56.55,6.4a130.26,130.26,0,0,1,22,10.8,26.25,26.25,0,0,1,3-.78,24.72,24.72,0,0,1,14.83,1.69,36,36,0,0,1,13.09,10.42,42.42,42.42,0,0,1,7.54,12.92c1.25,3.81,1.45,7.6-.23,10.79-2.77,5.25-10.56,6.27-16.12,7l-1.23.16a54.53,54.53,0,0,1-2.81,12.06A108.62,108.62,0,0,1,91.3,84v25.29a9.67,9.67,0,0,1,9.25,10.49c0,.41,0,.81,0,1.18a1.84,1.84,0,0,1-1.84,1.81H86.12a8.8,8.8,0,0,1-5.1-1.56,10.82,10.82,0,0,1-3.35-4,2.13,2.13,0,0,1-.2-.46L73.53,103q-2.73,2.13-5.76,4.16c-1.2.8-2.43,1.59-3.69,2.35l.6.16a8.28,8.28,0,0,1,5.07,4,15.38,15.38,0,0,1,1.71,7.11V121a1.83,1.83,0,0,1-1.83,1.83h-53c-2.58.09-4.47-.52-5.75-1.73A6.49,6.49,0,0,1,9.11,116v-11.2a42.61,42.61,0,0,1-6.34-11A38.79,38.79,0,0,1,1.11,70.29,37,37,0,0,1,13.6,50.54l.1-.09a41.08,41.08,0,0,1,11-6.38c7.39-2.9,17.93-2.77,26-2.68,5.21.06,9.34.11,10.19-.49a4.8,4.8,0,0,0,1-.91,5.11,5.11,0,0,0,.56-.84c0-.26,0-.52-.07-.78a16,16,0,0,1-.06-4.2,98.51,98.51,0,0,0-18.76-3.68c-7.48-.83-15.44-1.19-23.47-1.41l-1.35,0c-2.59,0-4.86,0-7.46-1.67A9,9,0,0,1,8,23.68a9.67,9.67,0,0,1-.91-5A10.91,10.91,0,0,1,8.49,14a8.74,8.74,0,0,1,3.37-3.29A8.2,8.2,0,0,1,14.15,10ZM69.14,22a54.75,54.75,0,0,1,4.94-3.24,124.88,124.88,0,0,0-18.8-9A106.89,106.89,0,0,0,34.17,4.31C31,3.81,26.44,3.25,22.89,4c-2.55.56-4.59,1.92-5,4.79a134.49,134.49,0,0,1,26.3,3.8,115.69,115.69,0,0,1,25,9.4ZM64,28.65c.21-.44.42-.86.66-1.28a15.26,15.26,0,0,1,1.73-2.47,146.24,146.24,0,0,0-14.92-6.2,97.69,97.69,0,0,0-15.34-4A123.57,123.57,0,0,0,21.07,13.2c-3.39-.08-6.3.08-7.47.72a5.21,5.21,0,0,0-2,1.94,7.3,7.3,0,0,0-1,3.12,6.1,6.1,0,0,0,.55,3.11,5.43,5.43,0,0,0,2,2.21c1.73,1.09,3.5,1.1,5.51,1.12h1.43c8.16.23,16.23.59,23.78,1.42a103.41,103.41,0,0,1,19.22,3.76,17.84,17.84,0,0,1,.85-2Zm-.76,15.06-.21.16c-1.82,1.3-6.48,1.24-12.35,1.17C42.91,45,32.79,44.83,26,47.47a37.41,37.41,0,0,0-10,5.81l-.1.08A33.44,33.44,0,0,0,4.66,71.17a35.14,35.14,0,0,0,1.5,21.32A39.47,39.47,0,0,0,12.35,103a1.82,1.82,0,0,1,.42,1.16v12a3.05,3.05,0,0,0,.68,2.37,4.28,4.28,0,0,0,3.16.73H67.68a10,10,0,0,0-1.11-3.69,4.7,4.7,0,0,0-2.87-2.32,15.08,15.08,0,0,0-4.4-.38h-26a1.83,1.83,0,0,1-.15-3.65c5.73-.72,10.35-2.74,13.57-6.25,3.06-3.34,4.91-8.1,5.33-14.45v-.13A18.88,18.88,0,0,0,46.35,75a20.22,20.22,0,0,0-7.41-4.42,23.54,23.54,0,0,0-8.52-1.25c-4.7.19-9.11,1.83-12,4.83a1.83,1.83,0,0,1-2.65-2.52c3.53-3.71,8.86-5.73,14.47-6a27.05,27.05,0,0,1,9.85,1.44,24,24,0,0,1,8.74,5.23,22.48,22.48,0,0,1,6.85,15.82v.08a2.17,2.17,0,0,1,0,.36c-.47,7.25-2.66,12.77-6.3,16.75a21.24,21.24,0,0,1-4.62,3.77H57.35q4.44-2.39,8.39-5c2.68-1.79,5.22-3.69,7.63-5.67a1.82,1.82,0,0,1,2.57.24,1.69,1.69,0,0,1,.35.66L81,115.62a7,7,0,0,0,2.16,2.62,5.06,5.06,0,0,0,3,.9H96.88a6.56,6.56,0,0,0-1.68-4.38,7.19,7.19,0,0,0-4.74-1.83c-.36,0-.69,0-1,0a1.83,1.83,0,0,1-1.83-1.83V83.6a1.75,1.75,0,0,1,.23-.88,105.11,105.11,0,0,0,5.34-12.46,52,52,0,0,0,2.55-10.44l-1.23.1c-7.23.52-14.52-.12-20.34-3A20,20,0,0,1,63.26,43.71Z\"/>'\n \"</g>\";\n\n string private constant _APEX =\n '<g transform=\"scale(0.5) translate(533, 790)\">'\n '<circle r=\"39\" stroke=\"#ededed\" fill=\"transparent\"/>'\n '<path fill=\"#ededed\" '\n 'd=\"M0,38 a38,38 0 0 1 0,-76 a19,19 0 0 1 0,38 a19,19 0 0 0 0,38 z m -5 -57 a 5,5 0 1,0 10,0 a 5,5 0 1,0 -10,0 z\" '\n 'fill-rule=\"evenodd\"/>'\n '<path fill=\"#ededed\" '\n 'd=\"m -5, 19 a 5,5 0 1,0 10,0 a 5,5 0 1,0 -10,0\"/>'\n \"</g>\";\n\n string private constant _LOGO =\n '<path fill=\"#ededed\" '\n 'd=\"M122.7,227.1 l-4.8,0l55.8,-74l0,3.2l-51.8,-69.2l5,0l48.8,65.4l-1.2,0l48.8,-65.4l4.8,0l-51.2,68.4l0,-1.6l55.2,73.2l-5,0l-52.8,-70.2l1.2,0l-52.8,70.2z\" '\n 'vector-effect=\"non-scaling-stroke\" />';\n\n /**\n @dev internal helper to create HSL-encoded color prop for SVG tags\n */\n function colorHSL(Color memory c) internal pure returns (bytes memory) {\n return abi.encodePacked(\"hsl(\", c.h.toString(), \", \", c.s.toString(), \"%, \", c.l.toString(), \"%)\");\n }\n\n /**\n @dev internal helper to create `stop` SVG tag\n */\n function colorStop(Color memory c) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n '<stop stop-color=\"',\n colorHSL(c),\n '\" stop-opacity=\"',\n c.a.toString(),\n '\" offset=\"',\n c.off.toString(),\n '%\"/>'\n );\n }\n\n /**\n @dev internal helper to encode position for `Gradient` SVG tag\n */\n function pos(uint256[4] memory coords) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n 'x1=\"',\n coords[0].toString(),\n '%\" '\n 'y1=\"',\n coords[1].toString(),\n '%\" '\n 'x2=\"',\n coords[2].toString(),\n '%\" '\n 'y2=\"',\n coords[3].toString(),\n '%\" '\n );\n }\n\n /**\n @dev internal helper to create `Gradient` SVG tag\n */\n function linearGradient(\n Color[] memory colors,\n uint256 id,\n uint256[4] memory coords\n ) internal pure returns (bytes memory) {\n string memory stops = \"\";\n for (uint256 i = 0; i < colors.length; i++) {\n if (colors[i].h != 0) {\n stops = string.concat(stops, string(colorStop(colors[i])));\n }\n }\n return\n abi.encodePacked(\n \"<linearGradient \",\n pos(coords),\n 'id=\"g',\n id.toString(),\n '\">',\n stops,\n \"</linearGradient>\"\n );\n }\n\n /**\n @dev internal helper to create `Defs` SVG tag\n */\n function defs(Gradient memory grad) internal pure returns (bytes memory) {\n return abi.encodePacked(\"<defs>\", linearGradient(grad.colors, 0, grad.coords), \"</defs>\");\n }\n\n /**\n @dev internal helper to create `Rect` SVG tag\n */\n function rect(uint256 id) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n \"<rect \"\n 'width=\"100%\" '\n 'height=\"100%\" '\n 'fill=\"url(#g',\n id.toString(),\n ')\" '\n 'rx=\"10px\" '\n 'ry=\"10px\" '\n 'stroke-linejoin=\"round\" '\n \"/>\"\n );\n }\n\n /**\n @dev internal helper to create border `Rect` SVG tag\n */\n function border() internal pure returns (string memory) {\n return\n \"<rect \"\n 'width=\"94%\" '\n 'height=\"96%\" '\n 'fill=\"transparent\" '\n 'rx=\"10px\" '\n 'ry=\"10px\" '\n 'stroke-linejoin=\"round\" '\n 'x=\"3%\" '\n 'y=\"2%\" '\n 'stroke-dasharray=\"1,6\" '\n 'stroke=\"white\" '\n \"/>\";\n }\n\n /**\n @dev internal helper to create group `G` SVG tag\n */\n function g(uint256 gradientsCount) internal pure returns (bytes memory) {\n string memory background = \"\";\n for (uint256 i = 0; i < gradientsCount; i++) {\n background = string.concat(background, string(rect(i)));\n }\n return abi.encodePacked(\"<g>\", background, border(), \"</g>\");\n }\n\n /**\n @dev internal helper to create XEN logo line pattern with 2 SVG `lines`\n */\n function logo() internal pure returns (bytes memory) {\n return abi.encodePacked();\n }\n\n /**\n @dev internal helper to create `Text` SVG tag with XEN Crypto contract data\n */\n function contractData(string memory symbol, address xenAddress) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n \"<text \"\n 'x=\"50%\" '\n 'y=\"5%\" '\n 'class=\"base small\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\">',\n symbol,\n unicode\"・\",\n xenAddress.toHexString(),\n \"</text>\"\n );\n }\n\n /**\n @dev internal helper to create cRank range string\n */\n function rankAndCount(uint256 rank, uint256 count) internal pure returns (bytes memory) {\n if (count == 1) return abi.encodePacked(rank.toString());\n return abi.encodePacked(rank.toString(), \"..\", (rank + count - 1).toString());\n }\n\n /**\n @dev internal helper to create 1st part of metadata section of SVG\n */\n function meta1(\n uint256 tokenId,\n uint256 count,\n uint256 eaa,\n string memory series,\n uint256 xenBurned\n ) internal pure returns (bytes memory) {\n bytes memory part1 = abi.encodePacked(\n \"<text \"\n 'x=\"50%\" '\n 'y=\"50%\" '\n 'class=\"base \" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\">'\n \"XEN CRYPTO\"\n \"</text>\"\n \"<text \"\n 'x=\"50%\" '\n 'y=\"56%\" '\n 'class=\"base burn\" '\n 'text-anchor=\"middle\" '\n 'dominant-baseline=\"middle\"> ',\n xenBurned > 0 ? string.concat((xenBurned / 10**18).toFormattedString(), \" X\") : \"\",\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"62%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\"> '\n \"#\",\n tokenId.toString(),\n \"</text>\"\n \"<text \"\n 'x=\"82%\" '\n 'y=\"62%\" '\n 'class=\"base meta series\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"end\" >',\n series,\n \"</text>\"\n );\n bytes memory part2 = abi.encodePacked(\n \"<text \"\n 'x=\"18%\" '\n 'y=\"68%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"VMU: \",\n count.toString(),\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"72%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"EAA: \",\n (eaa / 10).toString(),\n \"%\"\n \"</text>\"\n );\n return abi.encodePacked(part1, part2);\n }\n\n /**\n @dev internal helper to create 2nd part of metadata section of SVG\n */\n function meta2(\n uint256 maturityTs,\n uint256 amp,\n uint256 term,\n uint256 rank,\n uint256 count\n ) internal pure returns (bytes memory) {\n bytes memory part3 = abi.encodePacked(\n \"<text \"\n 'x=\"18%\" '\n 'y=\"76%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"AMP: \",\n amp.toString(),\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"80%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"Term: \",\n term.toString()\n );\n bytes memory part4 = abi.encodePacked(\n \" days\"\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"84%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"cRank: \",\n rankAndCount(rank, count),\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"88%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"Maturity: \",\n maturityTs.asString(),\n \"</text>\"\n );\n return abi.encodePacked(part3, part4);\n }\n\n /**\n @dev internal helper to create `Text` SVG tag for XEN quote\n */\n function quote(uint256 idx) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n \"<text \"\n 'x=\"50%\" '\n 'y=\"95%\" '\n 'class=\"base small\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\" >',\n StringData.getQuote(StringData.QUOTES, idx),\n \"</text>\"\n );\n }\n\n /**\n @dev internal helper to generate `Redeemed` stamp\n */\n function stamp(bool redeemed) internal pure returns (bytes memory) {\n if (!redeemed) return \"\";\n return\n abi.encodePacked(\n \"<rect \"\n 'x=\"50%\" '\n 'y=\"77.5%\" '\n 'width=\"100\" '\n 'height=\"40\" '\n 'stroke=\"black\" '\n 'stroke-width=\"1\" '\n 'fill=\"none\" '\n 'rx=\"5px\" '\n 'ry=\"5px\" '\n 'transform=\"translate(-50,-20) '\n 'rotate(-20,0,400)\" />',\n \"<text \"\n 'x=\"50%\" '\n 'y=\"77.5%\" '\n 'stroke=\"black\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\" '\n 'transform=\"translate(0,0) rotate(-20,-45,380)\" >'\n \"Redeemed\"\n \"</text>\"\n );\n }\n\n /**\n @dev main internal helper to create SVG file representing XENFT\n */\n function image(\n SvgParams memory params,\n Gradient[] memory gradients,\n uint256 idx,\n bool apex,\n bool limited\n ) internal pure returns (bytes memory) {\n string memory mark = limited ? _LIMITED : apex ? _APEX : _COLLECTOR;\n bytes memory graphics = abi.encodePacked(defs(gradients[0]), _STYLE, g(gradients.length), _LOGO, mark);\n bytes memory metadata = abi.encodePacked(\n contractData(params.symbol, params.xenAddress),\n meta1(params.tokenId, params.count, params.eaa, params.series, params.xenBurned),\n meta2(params.maturityTs, params.amp, params.term, params.rank, params.count),\n quote(idx),\n stamp(params.redeemed)\n );\n return\n abi.encodePacked(\n \"<svg \"\n 'xmlns=\"http://www.w3.org/2000/svg\" '\n 'preserveAspectRatio=\"xMinYMin meet\" '\n 'viewBox=\"0 0 350 566\">',\n graphics,\n metadata,\n \"</svg>\"\n );\n }\n}\n" }, "/contracts/libs/MintInfo.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\n// mapping: NFT tokenId => MintInfo (used in tokenURI generation)\n// MintInfo encoded as:\n// term (uint16)\n// | maturityTs (uint64)\n// | rank (uint128)\n// | amp (uint16)\n// | eaa (uint16)\n// | class (uint8):\n// [7] isApex\n// [6] isLimited\n// [0-5] powerGroupIdx\n// | redeemed (uint8)\nlibrary MintInfo {\n /**\n @dev helper to convert Bool to U256 type and make compiler happy\n */\n function toU256(bool x) internal pure returns (uint256 r) {\n assembly {\n r := x\n }\n }\n\n /**\n @dev encodes MintInfo record from its props\n */\n function encodeMintInfo(\n uint256 term,\n uint256 maturityTs,\n uint256 rank,\n uint256 amp,\n uint256 eaa,\n uint256 class_,\n bool redeemed\n ) public pure returns (uint256 info) {\n info = info | (toU256(redeemed) & 0xFF);\n info = info | ((class_ & 0xFF) << 8);\n info = info | ((eaa & 0xFFFF) << 16);\n info = info | ((amp & 0xFFFF) << 32);\n info = info | ((rank & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) << 48);\n info = info | ((maturityTs & 0xFFFFFFFFFFFFFFFF) << 176);\n info = info | ((term & 0xFFFF) << 240);\n }\n\n /**\n @dev decodes MintInfo record and extracts all of its props\n */\n function decodeMintInfo(uint256 info)\n public\n pure\n returns (\n uint256 term,\n uint256 maturityTs,\n uint256 rank,\n uint256 amp,\n uint256 eaa,\n uint256 class,\n bool apex,\n bool limited,\n bool redeemed\n )\n {\n term = uint16(info >> 240);\n maturityTs = uint64(info >> 176);\n rank = uint128(info >> 48);\n amp = uint16(info >> 32);\n eaa = uint16(info >> 16);\n class = uint8(info >> 8) & 0x3F;\n apex = (uint8(info >> 8) & 0x80) > 0;\n limited = (uint8(info >> 8) & 0x40) > 0;\n redeemed = uint8(info) == 1;\n }\n\n /**\n @dev extracts `term` prop from encoded MintInfo\n */\n function getTerm(uint256 info) public pure returns (uint256 term) {\n (term, , , , , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `maturityTs` prop from encoded MintInfo\n */\n function getMaturityTs(uint256 info) public pure returns (uint256 maturityTs) {\n (, maturityTs, , , , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `rank` prop from encoded MintInfo\n */\n function getRank(uint256 info) public pure returns (uint256 rank) {\n (, , rank, , , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `AMP` prop from encoded MintInfo\n */\n function getAMP(uint256 info) public pure returns (uint256 amp) {\n (, , , amp, , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `EAA` prop from encoded MintInfo\n */\n function getEAA(uint256 info) public pure returns (uint256 eaa) {\n (, , , , eaa, , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `redeemed` prop from encoded MintInfo\n */\n function getClass(uint256 info)\n public\n pure\n returns (\n uint256 class_,\n bool apex,\n bool limited\n )\n {\n (, , , , , class_, apex, limited, ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `redeemed` prop from encoded MintInfo\n */\n function getRedeemed(uint256 info) public pure returns (bool redeemed) {\n (, , , , , , , , redeemed) = decodeMintInfo(info);\n }\n}\n" }, "/contracts/libs/Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\";\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"./MintInfo.sol\";\nimport \"./DateTime.sol\";\nimport \"./FormattedStrings.sol\";\nimport \"./SVG.sol\";\n\n/**\n @dev Library contains methods to generate on-chain NFT metadata\n*/\nlibrary Metadata {\n using DateTime for uint256;\n using MintInfo for uint256;\n using Strings for uint256;\n\n uint256 public constant POWER_GROUP_SIZE = 7_500;\n uint256 public constant MAX_POWER = 52_500;\n\n uint256 public constant COLORS_FULL_SCALE = 300;\n uint256 public constant SPECIAL_LUMINOSITY = 45;\n uint256 public constant BASE_SATURATION = 75;\n uint256 public constant BASE_LUMINOSITY = 38;\n uint256 public constant GROUP_SATURATION = 100;\n uint256 public constant GROUP_LUMINOSITY = 50;\n uint256 public constant DEFAULT_OPACITY = 1;\n uint256 public constant NO_COLOR = 360;\n\n // PRIVATE HELPERS\n\n // The following pure methods returning arrays are workaround to use array constants,\n // not yet available in Solidity\n\n function _powerGroupColors() private pure returns (uint256[8] memory) {\n return [uint256(360), 1, 30, 60, 120, 180, 240, 300];\n }\n\n function _huesApex() private pure returns (uint256[3] memory) {\n return [uint256(169), 210, 305];\n }\n\n function _huesLimited() private pure returns (uint256[3] memory) {\n return [uint256(263), 0, 42];\n }\n\n function _stopOffsets() private pure returns (uint256[3] memory) {\n return [uint256(10), 50, 90];\n }\n\n function _gradColorsRegular() private pure returns (uint256[4] memory) {\n return [uint256(150), 150, 20, 20];\n }\n\n function _gradColorsBlack() private pure returns (uint256[4] memory) {\n return [uint256(100), 100, 20, 20];\n }\n\n function _gradColorsSpecial() private pure returns (uint256[4] memory) {\n return [uint256(100), 100, 0, 0];\n }\n\n /**\n @dev private helper to determine XENFT group index by its power\n (power = count of VMUs * mint term in days)\n */\n function _powerGroup(uint256 vmus, uint256 term) private pure returns (uint256) {\n return (vmus * term) / POWER_GROUP_SIZE;\n }\n\n /**\n @dev private helper to generate SVG gradients for special XENFT categories\n */\n function _specialClassGradients(bool rare) private pure returns (SVG.Gradient[] memory gradients) {\n uint256[3] memory specialColors = rare ? _huesApex() : _huesLimited();\n SVG.Color[] memory colors = new SVG.Color[](3);\n for (uint256 i = 0; i < colors.length; i++) {\n colors[i] = SVG.Color({\n h: specialColors[i],\n s: BASE_SATURATION,\n l: SPECIAL_LUMINOSITY,\n a: DEFAULT_OPACITY,\n off: _stopOffsets()[i]\n });\n }\n gradients = new SVG.Gradient[](1);\n gradients[0] = SVG.Gradient({colors: colors, id: 0, coords: _gradColorsSpecial()});\n }\n\n /**\n @dev private helper to generate SVG gradients for common XENFT category\n */\n function _commonCategoryGradients(uint256 vmus, uint256 term)\n private\n pure\n returns (SVG.Gradient[] memory gradients)\n {\n SVG.Color[] memory colors = new SVG.Color[](2);\n uint256 powerHue = term * vmus > MAX_POWER ? NO_COLOR : 1 + (term * vmus * COLORS_FULL_SCALE) / MAX_POWER;\n // group\n uint256 groupHue = _powerGroupColors()[_powerGroup(vmus, term) > 7 ? 7 : _powerGroup(vmus, term)];\n colors[0] = SVG.Color({\n h: groupHue,\n s: groupHue == NO_COLOR ? 0 : GROUP_SATURATION,\n l: groupHue == NO_COLOR ? 0 : GROUP_LUMINOSITY,\n a: DEFAULT_OPACITY,\n off: _stopOffsets()[0]\n });\n // power\n colors[1] = SVG.Color({\n h: powerHue,\n s: powerHue == NO_COLOR ? 0 : BASE_SATURATION,\n l: powerHue == NO_COLOR ? 0 : BASE_LUMINOSITY,\n a: DEFAULT_OPACITY,\n off: _stopOffsets()[2]\n });\n gradients = new SVG.Gradient[](1);\n gradients[0] = SVG.Gradient({\n colors: colors,\n id: 0,\n coords: groupHue == NO_COLOR ? _gradColorsBlack() : _gradColorsRegular()\n });\n }\n\n // PUBLIC INTERFACE\n\n /**\n @dev public interface to generate SVG image based on XENFT params\n */\n function svgData(\n uint256 tokenId,\n uint256 count,\n uint256 info,\n address token,\n uint256 burned\n ) external view returns (bytes memory) {\n string memory symbol = IERC20Metadata(token).symbol();\n (uint256 classIds, bool rare, bool limited) = info.getClass();\n SVG.SvgParams memory params = SVG.SvgParams({\n symbol: symbol,\n xenAddress: token,\n tokenId: tokenId,\n term: info.getTerm(),\n rank: info.getRank(),\n count: count,\n maturityTs: info.getMaturityTs(),\n amp: info.getAMP(),\n eaa: info.getEAA(),\n xenBurned: burned,\n series: StringData.getClassName(StringData.CLASSES, classIds),\n redeemed: info.getRedeemed()\n });\n uint256 quoteIdx = uint256(keccak256(abi.encode(info))) % StringData.QUOTES_COUNT;\n if (rare || limited) {\n return SVG.image(params, _specialClassGradients(rare), quoteIdx, rare, limited);\n }\n return SVG.image(params, _commonCategoryGradients(count, info.getTerm()), quoteIdx, rare, limited);\n }\n\n function _attr1(\n uint256 count,\n uint256 rank,\n uint256 class_\n ) private pure returns (bytes memory) {\n return\n abi.encodePacked(\n '{\"trait_type\":\"Class\",\"value\":\"',\n StringData.getClassName(StringData.CLASSES, class_),\n '\"},'\n '{\"trait_type\":\"VMUs\",\"value\":\"',\n count.toString(),\n '\"},'\n '{\"trait_type\":\"cRank\",\"value\":\"',\n rank.toString(),\n '\"},'\n );\n }\n\n function _attr2(\n uint256 amp,\n uint256 eaa,\n uint256 maturityTs\n ) private pure returns (bytes memory) {\n (uint256 year, string memory month) = DateTime.yearAndMonth(maturityTs);\n return\n abi.encodePacked(\n '{\"trait_type\":\"AMP\",\"value\":\"',\n amp.toString(),\n '\"},'\n '{\"trait_type\":\"EAA (%)\",\"value\":\"',\n (eaa / 10).toString(),\n '\"},'\n '{\"trait_type\":\"Maturity Year\",\"value\":\"',\n year.toString(),\n '\"},'\n '{\"trait_type\":\"Maturity Month\",\"value\":\"',\n month,\n '\"},'\n );\n }\n\n function _attr3(\n uint256 maturityTs,\n uint256 term,\n uint256 burned\n ) private pure returns (bytes memory) {\n return\n abi.encodePacked(\n '{\"trait_type\":\"Maturity DateTime\",\"value\":\"',\n maturityTs.asString(),\n '\"},'\n '{\"trait_type\":\"Term\",\"value\":\"',\n term.toString(),\n '\"},'\n '{\"trait_type\":\"XEN Burned\",\"value\":\"',\n (burned / 10**18).toString(),\n '\"},'\n );\n }\n\n function _attr4(bool apex, bool limited) private pure returns (bytes memory) {\n string memory category = \"Collector\";\n if (limited) category = \"Limited\";\n if (apex) category = \"Apex\";\n return abi.encodePacked('{\"trait_type\":\"Category\",\"value\":\"', category, '\"}');\n }\n\n /**\n @dev private helper to construct attributes portion of NFT metadata\n */\n function attributes(\n uint256 count,\n uint256 burned,\n uint256 mintInfo\n ) external pure returns (bytes memory) {\n (\n uint256 term,\n uint256 maturityTs,\n uint256 rank,\n uint256 amp,\n uint256 eaa,\n uint256 series,\n bool apex,\n bool limited,\n\n ) = MintInfo.decodeMintInfo(mintInfo);\n return\n abi.encodePacked(\n \"[\",\n _attr1(count, rank, series),\n _attr2(amp, eaa, maturityTs),\n _attr3(maturityTs, term, burned),\n _attr4(apex, limited),\n \"]\"\n );\n }\n\n function formattedString(uint256 n) public pure returns (string memory) {\n return FormattedStrings.toFormattedString(n);\n }\n}\n" }, "/contracts/libs/FormattedStrings.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nlibrary FormattedStrings {\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n Base on OpenZeppelin `toString` method from `String` library\n */\n function toFormattedString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n uint256 pos;\n uint256 comas = digits / 3;\n digits = digits + (digits % 3 == 0 ? comas - 1 : comas);\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n if (pos == 3) {\n buffer[digits] = \",\";\n pos = 0;\n } else {\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n pos++;\n }\n }\n return string(buffer);\n }\n}\n" }, "/contracts/libs/ERC2771Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (metatx/ERC2771Context.sol)\n\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/utils/Context.sol\";\n\n/**\n * @dev Context variant with ERC2771 support.\n */\nabstract contract ERC2771Context is Context {\n /// @custom:oz-upgrades-unsafe-allow state-variable-immutable\n // one-time settable var\n address internal _trustedForwarder;\n\n /// @custom:oz-upgrades-unsafe-allow constructor\n constructor(address trustedForwarder) {\n _trustedForwarder = trustedForwarder;\n }\n\n function isTrustedForwarder(address forwarder) public view virtual returns (bool) {\n return forwarder == _trustedForwarder;\n }\n\n function _msgSender() internal view virtual override returns (address sender) {\n if (isTrustedForwarder(msg.sender)) {\n // The assembly code is more direct than the Solidity version using `abi.decode`.\n /// @solidity memory-safe-assembly\n assembly {\n sender := shr(96, calldataload(sub(calldatasize(), 20)))\n }\n } else {\n return super._msgSender();\n }\n }\n\n function _msgData() internal view virtual override returns (bytes calldata) {\n if (isTrustedForwarder(msg.sender)) {\n return msg.data[:msg.data.length - 20];\n } else {\n return super._msgData();\n }\n }\n}\n" }, "/contracts/libs/DateTime.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"./BokkyPooBahsDateTimeLibrary.sol\";\n\n/*\n @dev Library to convert epoch timestamp to a human-readable Date-Time string\n @dependency uses BokkyPooBahsDateTimeLibrary.sol library internally\n */\nlibrary DateTime {\n using Strings for uint256;\n\n bytes public constant MONTHS = bytes(\"JanFebMarAprMayJunJulAugSepOctNovDec\");\n\n /**\n * @dev returns month as short (3-letter) string\n */\n function monthAsString(uint256 idx) internal pure returns (string memory) {\n require(idx > 0, \"bad idx\");\n bytes memory str = new bytes(3);\n uint256 offset = (idx - 1) * 3;\n str[0] = bytes1(MONTHS[offset]);\n str[1] = bytes1(MONTHS[offset + 1]);\n str[2] = bytes1(MONTHS[offset + 2]);\n return string(str);\n }\n\n /**\n * @dev returns string representation of number left-padded for 2 symbols\n */\n function asPaddedString(uint256 n) internal pure returns (string memory) {\n if (n == 0) return \"00\";\n if (n < 10) return string.concat(\"0\", n.toString());\n return n.toString();\n }\n\n /**\n * @dev returns string of format 'Jan 01, 2022 18:00 UTC' for a given timestamp\n */\n function asString(uint256 ts) external pure returns (string memory) {\n (uint256 year, uint256 month, uint256 day, uint256 hour, uint256 minute, ) = BokkyPooBahsDateTimeLibrary\n .timestampToDateTime(ts);\n return\n string(\n abi.encodePacked(\n monthAsString(month),\n \" \",\n day.toString(),\n \", \",\n year.toString(),\n \" \",\n asPaddedString(hour),\n \":\",\n asPaddedString(minute),\n \" UTC\"\n )\n );\n }\n\n /**\n * @dev returns (year, month as string) components of a date by timestamp\n */\n function yearAndMonth(uint256 ts) external pure returns (uint256, string memory) {\n (uint256 year, uint256 month, , , , ) = BokkyPooBahsDateTimeLibrary.timestampToDateTime(ts);\n return (year, monthAsString(month));\n }\n}\n" }, "/contracts/libs/BokkyPooBahsDateTimeLibrary.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\n// ----------------------------------------------------------------------------\n// BokkyPooBah's DateTime Library v1.01\n//\n// A gas-efficient Solidity date and time library\n//\n// https://github.com/bokkypoobah/BokkyPooBahsDateTimeLibrary\n//\n// Tested date range 1970/01/01 to 2345/12/31\n//\n// Conventions:\n// Unit | Range | Notes\n// :-------- |:-------------:|:-----\n// timestamp | >= 0 | Unix timestamp, number of seconds since 1970/01/01 00:00:00 UTC\n// year | 1970 ... 2345 |\n// month | 1 ... 12 |\n// day | 1 ... 31 |\n// hour | 0 ... 23 |\n// minute | 0 ... 59 |\n// second | 0 ... 59 |\n// dayOfWeek | 1 ... 7 | 1 = Monday, ..., 7 = Sunday\n//\n//\n// Enjoy. (c) BokkyPooBah / Bok Consulting Pty Ltd 2018-2019. The MIT Licence.\n// ----------------------------------------------------------------------------\n\nlibrary BokkyPooBahsDateTimeLibrary {\n uint256 constant _SECONDS_PER_DAY = 24 * 60 * 60;\n uint256 constant _SECONDS_PER_HOUR = 60 * 60;\n uint256 constant _SECONDS_PER_MINUTE = 60;\n int256 constant _OFFSET19700101 = 2440588;\n\n uint256 constant _DOW_FRI = 5;\n uint256 constant _DOW_SAT = 6;\n\n // ------------------------------------------------------------------------\n // Calculate the number of days from 1970/01/01 to year/month/day using\n // the date conversion algorithm from\n // https://aa.usno.navy.mil/faq/JD_formula.html\n // and subtracting the offset 2440588 so that 1970/01/01 is day 0\n //\n // days = day\n // - 32075\n // + 1461 * (year + 4800 + (month - 14) / 12) / 4\n // + 367 * (month - 2 - (month - 14) / 12 * 12) / 12\n // - 3 * ((year + 4900 + (month - 14) / 12) / 100) / 4\n // - offset\n // ------------------------------------------------------------------------\n function _daysFromDate(\n uint256 year,\n uint256 month,\n uint256 day\n ) private pure returns (uint256 _days) {\n require(year >= 1970);\n int256 _year = int256(year);\n int256 _month = int256(month);\n int256 _day = int256(day);\n\n int256 __days = _day -\n 32075 +\n (1461 * (_year + 4800 + (_month - 14) / 12)) /\n 4 +\n (367 * (_month - 2 - ((_month - 14) / 12) * 12)) /\n 12 -\n (3 * ((_year + 4900 + (_month - 14) / 12) / 100)) /\n 4 -\n _OFFSET19700101;\n\n _days = uint256(__days);\n }\n\n // ------------------------------------------------------------------------\n // Calculate year/month/day from the number of days since 1970/01/01 using\n // the date conversion algorithm from\n // http://aa.usno.navy.mil/faq/docs/JD_Formula.php\n // and adding the offset 2440588 so that 1970/01/01 is day 0\n //\n // int L = days + 68569 + offset\n // int N = 4 * L / 146097\n // L = L - (146097 * N + 3) / 4\n // year = 4000 * (L + 1) / 1461001\n // L = L - 1461 * year / 4 + 31\n // month = 80 * L / 2447\n // dd = L - 2447 * month / 80\n // L = month / 11\n // month = month + 2 - 12 * L\n // year = 100 * (N - 49) + year + L\n // ------------------------------------------------------------------------\n function _daysToDate(uint256 _days)\n private\n pure\n returns (\n uint256 year,\n uint256 month,\n uint256 day\n )\n {\n int256 __days = int256(_days);\n\n int256 L = __days + 68569 + _OFFSET19700101;\n int256 N = (4 * L) / 146097;\n L = L - (146097 * N + 3) / 4;\n int256 _year = (4000 * (L + 1)) / 1461001;\n L = L - (1461 * _year) / 4 + 31;\n int256 _month = (80 * L) / 2447;\n int256 _day = L - (2447 * _month) / 80;\n L = _month / 11;\n _month = _month + 2 - 12 * L;\n _year = 100 * (N - 49) + _year + L;\n\n year = uint256(_year);\n month = uint256(_month);\n day = uint256(_day);\n }\n\n function timestampFromDate(\n uint256 year,\n uint256 month,\n uint256 day\n ) internal pure returns (uint256 timestamp) {\n timestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY;\n }\n\n function timestampFromDateTime(\n uint256 year,\n uint256 month,\n uint256 day,\n uint256 hour,\n uint256 minute,\n uint256 second\n ) internal pure returns (uint256 timestamp) {\n timestamp =\n _daysFromDate(year, month, day) *\n _SECONDS_PER_DAY +\n hour *\n _SECONDS_PER_HOUR +\n minute *\n _SECONDS_PER_MINUTE +\n second;\n }\n\n function timestampToDate(uint256 timestamp)\n internal\n pure\n returns (\n uint256 year,\n uint256 month,\n uint256 day\n )\n {\n (year, month, day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function timestampToDateTime(uint256 timestamp)\n internal\n pure\n returns (\n uint256 year,\n uint256 month,\n uint256 day,\n uint256 hour,\n uint256 minute,\n uint256 second\n )\n {\n (year, month, day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n uint256 secs = timestamp % _SECONDS_PER_DAY;\n hour = secs / _SECONDS_PER_HOUR;\n secs = secs % _SECONDS_PER_HOUR;\n minute = secs / _SECONDS_PER_MINUTE;\n second = secs % _SECONDS_PER_MINUTE;\n }\n\n function isValidDate(\n uint256 year,\n uint256 month,\n uint256 day\n ) internal pure returns (bool valid) {\n if (year >= 1970 && month > 0 && month <= 12) {\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > 0 && day <= daysInMonth) {\n valid = true;\n }\n }\n }\n\n function isValidDateTime(\n uint256 year,\n uint256 month,\n uint256 day,\n uint256 hour,\n uint256 minute,\n uint256 second\n ) internal pure returns (bool valid) {\n if (isValidDate(year, month, day)) {\n if (hour < 24 && minute < 60 && second < 60) {\n valid = true;\n }\n }\n }\n\n function isLeapYear(uint256 timestamp) internal pure returns (bool leapYear) {\n (uint256 year, , ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n leapYear = _isLeapYear(year);\n }\n\n function _isLeapYear(uint256 year) private pure returns (bool leapYear) {\n leapYear = ((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0);\n }\n\n function isWeekDay(uint256 timestamp) internal pure returns (bool weekDay) {\n weekDay = getDayOfWeek(timestamp) <= _DOW_FRI;\n }\n\n function isWeekEnd(uint256 timestamp) internal pure returns (bool weekEnd) {\n weekEnd = getDayOfWeek(timestamp) >= _DOW_SAT;\n }\n\n function getDaysInMonth(uint256 timestamp) internal pure returns (uint256 daysInMonth) {\n (uint256 year, uint256 month, ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n daysInMonth = _getDaysInMonth(year, month);\n }\n\n function _getDaysInMonth(uint256 year, uint256 month) private pure returns (uint256 daysInMonth) {\n if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12) {\n daysInMonth = 31;\n } else if (month != 2) {\n daysInMonth = 30;\n } else {\n daysInMonth = _isLeapYear(year) ? 29 : 28;\n }\n }\n\n // 1 = Monday, 7 = Sunday\n function getDayOfWeek(uint256 timestamp) internal pure returns (uint256 dayOfWeek) {\n uint256 _days = timestamp / _SECONDS_PER_DAY;\n dayOfWeek = ((_days + 3) % 7) + 1;\n }\n\n function getYear(uint256 timestamp) internal pure returns (uint256 year) {\n (year, , ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function getMonth(uint256 timestamp) internal pure returns (uint256 month) {\n (, month, ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function getDay(uint256 timestamp) internal pure returns (uint256 day) {\n (, , day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function getHour(uint256 timestamp) internal pure returns (uint256 hour) {\n uint256 secs = timestamp % _SECONDS_PER_DAY;\n hour = secs / _SECONDS_PER_HOUR;\n }\n\n function getMinute(uint256 timestamp) internal pure returns (uint256 minute) {\n uint256 secs = timestamp % _SECONDS_PER_HOUR;\n minute = secs / _SECONDS_PER_MINUTE;\n }\n\n function getSecond(uint256 timestamp) internal pure returns (uint256 second) {\n second = timestamp % _SECONDS_PER_MINUTE;\n }\n\n function addYears(uint256 timestamp, uint256 _years) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n year += _years;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp >= timestamp);\n }\n\n function addMonths(uint256 timestamp, uint256 _months) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n month += _months;\n year += (month - 1) / 12;\n month = ((month - 1) % 12) + 1;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp >= timestamp);\n }\n\n function addDays(uint256 timestamp, uint256 _days) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _days * _SECONDS_PER_DAY;\n require(newTimestamp >= timestamp);\n }\n\n function addHours(uint256 timestamp, uint256 _hours) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _hours * _SECONDS_PER_HOUR;\n require(newTimestamp >= timestamp);\n }\n\n function addMinutes(uint256 timestamp, uint256 _minutes) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _minutes * _SECONDS_PER_MINUTE;\n require(newTimestamp >= timestamp);\n }\n\n function addSeconds(uint256 timestamp, uint256 _seconds) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _seconds;\n require(newTimestamp >= timestamp);\n }\n\n function subYears(uint256 timestamp, uint256 _years) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n year -= _years;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp <= timestamp);\n }\n\n function subMonths(uint256 timestamp, uint256 _months) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n uint256 yearMonth = year * 12 + (month - 1) - _months;\n year = yearMonth / 12;\n month = (yearMonth % 12) + 1;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp <= timestamp);\n }\n\n function subDays(uint256 timestamp, uint256 _days) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _days * _SECONDS_PER_DAY;\n require(newTimestamp <= timestamp);\n }\n\n function subHours(uint256 timestamp, uint256 _hours) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _hours * _SECONDS_PER_HOUR;\n require(newTimestamp <= timestamp);\n }\n\n function subMinutes(uint256 timestamp, uint256 _minutes) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _minutes * _SECONDS_PER_MINUTE;\n require(newTimestamp <= timestamp);\n }\n\n function subSeconds(uint256 timestamp, uint256 _seconds) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _seconds;\n require(newTimestamp <= timestamp);\n }\n\n function diffYears(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _years) {\n require(fromTimestamp <= toTimestamp);\n (uint256 fromYear, , ) = _daysToDate(fromTimestamp / _SECONDS_PER_DAY);\n (uint256 toYear, , ) = _daysToDate(toTimestamp / _SECONDS_PER_DAY);\n _years = toYear - fromYear;\n }\n\n function diffMonths(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _months) {\n require(fromTimestamp <= toTimestamp);\n (uint256 fromYear, uint256 fromMonth, ) = _daysToDate(fromTimestamp / _SECONDS_PER_DAY);\n (uint256 toYear, uint256 toMonth, ) = _daysToDate(toTimestamp / _SECONDS_PER_DAY);\n _months = toYear * 12 + toMonth - fromYear * 12 - fromMonth;\n }\n\n function diffDays(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _days) {\n require(fromTimestamp <= toTimestamp);\n _days = (toTimestamp - fromTimestamp) / _SECONDS_PER_DAY;\n }\n\n function diffHours(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _hours) {\n require(fromTimestamp <= toTimestamp);\n _hours = (toTimestamp - fromTimestamp) / _SECONDS_PER_HOUR;\n }\n\n function diffMinutes(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _minutes) {\n require(fromTimestamp <= toTimestamp);\n _minutes = (toTimestamp - fromTimestamp) / _SECONDS_PER_MINUTE;\n }\n\n function diffSeconds(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _seconds) {\n require(fromTimestamp <= toTimestamp);\n _seconds = toTimestamp - fromTimestamp;\n }\n}\n" }, "/contracts/libs/Array.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nlibrary Array {\n function idx(uint256[] memory arr, uint256 item) internal pure returns (uint256 i) {\n for (i = 1; i <= arr.length; i++) {\n if (arr[i - 1] == item) {\n return i;\n }\n }\n i = 0;\n }\n\n function addItem(uint256[] storage arr, uint256 item) internal {\n if (idx(arr, item) == 0) {\n arr.push(item);\n }\n }\n\n function removeItem(uint256[] storage arr, uint256 item) internal {\n uint256 i = idx(arr, item);\n if (i > 0) {\n arr[i - 1] = arr[arr.length - 1];\n arr.pop();\n }\n }\n\n function contains(uint256[] memory container, uint256[] memory items) internal pure returns (bool) {\n if (items.length == 0) return true;\n for (uint256 i = 0; i < items.length; i++) {\n bool itemIsContained = false;\n for (uint256 j = 0; j < container.length; j++) {\n itemIsContained = items[i] == container[j];\n }\n if (!itemIsContained) return false;\n }\n return true;\n }\n\n function asSingletonArray(uint256 element) internal pure returns (uint256[] memory) {\n uint256[] memory array = new uint256[](1);\n array[0] = element;\n return array;\n }\n\n function hasDuplicatesOrZeros(uint256[] memory array) internal pure returns (bool) {\n for (uint256 i = 0; i < array.length; i++) {\n if (array[i] == 0) return true;\n for (uint256 j = 0; j < array.length; j++) {\n if (array[i] == array[j] && i != j) return true;\n }\n }\n return false;\n }\n\n function hasRoguesOrZeros(uint256[] memory array) internal pure returns (bool) {\n uint256 _first = array[0];\n for (uint256 i = 0; i < array.length; i++) {\n if (array[i] == 0 || array[i] != _first) return true;\n }\n return false;\n }\n}\n" }, "/contracts/interfaces/IXENTorrent.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IXENTorrent {\n event StartTorrent(address indexed user, uint256 count, uint256 term);\n event EndTorrent(address indexed user, uint256 tokenId, address to);\n\n function bulkClaimRank(uint256 count, uint256 term) external returns (uint256);\n\n function bulkClaimMintReward(uint256 tokenId, address to) external;\n}\n" }, "/contracts/interfaces/IXENProxying.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IXENProxying {\n function callClaimRank(uint256 term) external;\n\n function callClaimMintReward(address to) external;\n\n function powerDown() external;\n}\n" }, "/contracts/interfaces/IERC2771.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IERC2771 {\n function isTrustedForwarder(address forwarder) external;\n}\n" }, "operator-filter-registry/src/OperatorFilterer.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {IOperatorFilterRegistry} from \"./IOperatorFilterRegistry.sol\";\n\n/**\n * @title OperatorFilterer\n * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another\n * registrant's entries in the OperatorFilterRegistry.\n * @dev This smart contract is meant to be inherited by token contracts so they can use the following:\n * - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.\n * - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.\n */\nabstract contract OperatorFilterer {\n error OperatorNotAllowed(address operator);\n\n IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =\n IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);\n\n constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {\n // If an inheriting token contract is deployed to a network without the registry deployed, the modifier\n // will not revert, but the contract will need to be registered with the registry once it is deployed in\n // order for the modifier to filter addresses.\n if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n if (subscribe) {\n OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);\n } else {\n if (subscriptionOrRegistrantToCopy != address(0)) {\n OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);\n } else {\n OPERATOR_FILTER_REGISTRY.register(address(this));\n }\n }\n }\n }\n\n modifier onlyAllowedOperator(address from) virtual {\n // Allow spending tokens from addresses with balance\n // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred\n // from an EOA.\n if (from != msg.sender) {\n _checkFilterOperator(msg.sender);\n }\n _;\n }\n\n modifier onlyAllowedOperatorApproval(address operator) virtual {\n _checkFilterOperator(operator);\n _;\n }\n\n function _checkFilterOperator(address operator) internal view virtual {\n // Check registry code length to facilitate testing in environments without a deployed registry.\n if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {\n revert OperatorNotAllowed(operator);\n }\n }\n }\n}\n" }, "operator-filter-registry/src/IOperatorFilterRegistry.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\ninterface IOperatorFilterRegistry {\n function isOperatorAllowed(address registrant, address operator) external view returns (bool);\n function register(address registrant) external;\n function registerAndSubscribe(address registrant, address subscription) external;\n function registerAndCopyEntries(address registrant, address registrantToCopy) external;\n function unregister(address addr) external;\n function updateOperator(address registrant, address operator, bool filtered) external;\n function updateOperators(address registrant, address[] calldata operators, bool filtered) external;\n function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;\n function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;\n function subscribe(address registrant, address registrantToSubscribe) external;\n function unsubscribe(address registrant, bool copyExistingEntries) external;\n function subscriptionOf(address addr) external returns (address registrant);\n function subscribers(address registrant) external returns (address[] memory);\n function subscriberAt(address registrant, uint256 index) external returns (address);\n function copyEntriesOf(address registrant, address registrantToCopy) external;\n function isOperatorFiltered(address registrant, address operator) external returns (bool);\n function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);\n function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);\n function filteredOperators(address addr) external returns (address[] memory);\n function filteredCodeHashes(address addr) external returns (bytes32[] memory);\n function filteredOperatorAt(address registrant, uint256 index) external returns (address);\n function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);\n function isRegistered(address addr) external returns (bool);\n function codeHashOf(address addr) external returns (bytes32);\n}\n" }, "operator-filter-registry/src/DefaultOperatorFilterer.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {OperatorFilterer} from \"./OperatorFilterer.sol\";\n\n/**\n * @title DefaultOperatorFilterer\n * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.\n */\nabstract contract DefaultOperatorFilterer is OperatorFilterer {\n address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);\n\n constructor() OperatorFilterer(DEFAULT_SUBSCRIPTION, true) {}\n}\n" }, "abdk-libraries-solidity/ABDKMath64x64.sol": { "content": "// SPDX-License-Identifier: BSD-4-Clause\n/*\n * ABDK Math 64.64 Smart Contract Library. Copyright © 2019 by ABDK Consulting.\n * Author: Mikhail Vladimirov <mikhail.vladimirov@gmail.com>\n */\npragma solidity ^0.8.0;\n\n/**\n * Smart contract library of mathematical functions operating with signed\n * 64.64-bit fixed point numbers. Signed 64.64-bit fixed point number is\n * basically a simple fraction whose numerator is signed 128-bit integer and\n * denominator is 2^64. As long as denominator is always the same, there is no\n * need to store it, thus in Solidity signed 64.64-bit fixed point numbers are\n * represented by int128 type holding only the numerator.\n */\nlibrary ABDKMath64x64 {\n /*\n * Minimum value signed 64.64-bit fixed point number may have. \n */\n int128 private constant MIN_64x64 = -0x80000000000000000000000000000000;\n\n /*\n * Maximum value signed 64.64-bit fixed point number may have. \n */\n int128 private constant MAX_64x64 = 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF;\n\n /**\n * Convert signed 256-bit integer number into signed 64.64-bit fixed point\n * number. Revert on overflow.\n *\n * @param x signed 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function fromInt (int256 x) internal pure returns (int128) {\n unchecked {\n require (x >= -0x8000000000000000 && x <= 0x7FFFFFFFFFFFFFFF);\n return int128 (x << 64);\n }\n }\n\n /**\n * Convert signed 64.64 fixed point number into signed 64-bit integer number\n * rounding down.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64-bit integer number\n */\n function toInt (int128 x) internal pure returns (int64) {\n unchecked {\n return int64 (x >> 64);\n }\n }\n\n /**\n * Convert unsigned 256-bit integer number into signed 64.64-bit fixed point\n * number. Revert on overflow.\n *\n * @param x unsigned 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function fromUInt (uint256 x) internal pure returns (int128) {\n unchecked {\n require (x <= 0x7FFFFFFFFFFFFFFF);\n return int128 (int256 (x << 64));\n }\n }\n\n /**\n * Convert signed 64.64 fixed point number into unsigned 64-bit integer\n * number rounding down. Revert on underflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return unsigned 64-bit integer number\n */\n function toUInt (int128 x) internal pure returns (uint64) {\n unchecked {\n require (x >= 0);\n return uint64 (uint128 (x >> 64));\n }\n }\n\n /**\n * Convert signed 128.128 fixed point number into signed 64.64-bit fixed point\n * number rounding down. Revert on overflow.\n *\n * @param x signed 128.128-bin fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function from128x128 (int256 x) internal pure returns (int128) {\n unchecked {\n int256 result = x >> 64;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Convert signed 64.64 fixed point number into signed 128.128 fixed point\n * number.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 128.128 fixed point number\n */\n function to128x128 (int128 x) internal pure returns (int256) {\n unchecked {\n return int256 (x) << 64;\n }\n }\n\n /**\n * Calculate x + y. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function add (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 result = int256(x) + y;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x - y. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function sub (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 result = int256(x) - y;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x * y rounding down. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function mul (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 result = int256(x) * y >> 64;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x * y rounding towards zero, where x is signed 64.64 fixed point\n * number and y is signed 256-bit integer number. Revert on overflow.\n *\n * @param x signed 64.64 fixed point number\n * @param y signed 256-bit integer number\n * @return signed 256-bit integer number\n */\n function muli (int128 x, int256 y) internal pure returns (int256) {\n unchecked {\n if (x == MIN_64x64) {\n require (y >= -0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF &&\n y <= 0x1000000000000000000000000000000000000000000000000);\n return -y << 63;\n } else {\n bool negativeResult = false;\n if (x < 0) {\n x = -x;\n negativeResult = true;\n }\n if (y < 0) {\n y = -y; // We rely on overflow behavior here\n negativeResult = !negativeResult;\n }\n uint256 absoluteResult = mulu (x, uint256 (y));\n if (negativeResult) {\n require (absoluteResult <=\n 0x8000000000000000000000000000000000000000000000000000000000000000);\n return -int256 (absoluteResult); // We rely on overflow behavior here\n } else {\n require (absoluteResult <=\n 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n return int256 (absoluteResult);\n }\n }\n }\n }\n\n /**\n * Calculate x * y rounding down, where x is signed 64.64 fixed point number\n * and y is unsigned 256-bit integer number. Revert on overflow.\n *\n * @param x signed 64.64 fixed point number\n * @param y unsigned 256-bit integer number\n * @return unsigned 256-bit integer number\n */\n function mulu (int128 x, uint256 y) internal pure returns (uint256) {\n unchecked {\n if (y == 0) return 0;\n\n require (x >= 0);\n\n uint256 lo = (uint256 (int256 (x)) * (y & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) >> 64;\n uint256 hi = uint256 (int256 (x)) * (y >> 128);\n\n require (hi <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n hi <<= 64;\n\n require (hi <=\n 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF - lo);\n return hi + lo;\n }\n }\n\n /**\n * Calculate x / y rounding towards zero. Revert on overflow or when y is\n * zero.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function div (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n require (y != 0);\n int256 result = (int256 (x) << 64) / y;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x / y rounding towards zero, where x and y are signed 256-bit\n * integer numbers. Revert on overflow or when y is zero.\n *\n * @param x signed 256-bit integer number\n * @param y signed 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function divi (int256 x, int256 y) internal pure returns (int128) {\n unchecked {\n require (y != 0);\n\n bool negativeResult = false;\n if (x < 0) {\n x = -x; // We rely on overflow behavior here\n negativeResult = true;\n }\n if (y < 0) {\n y = -y; // We rely on overflow behavior here\n negativeResult = !negativeResult;\n }\n uint128 absoluteResult = divuu (uint256 (x), uint256 (y));\n if (negativeResult) {\n require (absoluteResult <= 0x80000000000000000000000000000000);\n return -int128 (absoluteResult); // We rely on overflow behavior here\n } else {\n require (absoluteResult <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n return int128 (absoluteResult); // We rely on overflow behavior here\n }\n }\n }\n\n /**\n * Calculate x / y rounding towards zero, where x and y are unsigned 256-bit\n * integer numbers. Revert on overflow or when y is zero.\n *\n * @param x unsigned 256-bit integer number\n * @param y unsigned 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function divu (uint256 x, uint256 y) internal pure returns (int128) {\n unchecked {\n require (y != 0);\n uint128 result = divuu (x, y);\n require (result <= uint128 (MAX_64x64));\n return int128 (result);\n }\n }\n\n /**\n * Calculate -x. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function neg (int128 x) internal pure returns (int128) {\n unchecked {\n require (x != MIN_64x64);\n return -x;\n }\n }\n\n /**\n * Calculate |x|. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function abs (int128 x) internal pure returns (int128) {\n unchecked {\n require (x != MIN_64x64);\n return x < 0 ? -x : x;\n }\n }\n\n /**\n * Calculate 1 / x rounding towards zero. Revert on overflow or when x is\n * zero.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function inv (int128 x) internal pure returns (int128) {\n unchecked {\n require (x != 0);\n int256 result = int256 (0x100000000000000000000000000000000) / x;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate arithmetics average of x and y, i.e. (x + y) / 2 rounding down.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function avg (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n return int128 ((int256 (x) + int256 (y)) >> 1);\n }\n }\n\n /**\n * Calculate geometric average of x and y, i.e. sqrt (x * y) rounding down.\n * Revert on overflow or in case x * y is negative.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function gavg (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 m = int256 (x) * int256 (y);\n require (m >= 0);\n require (m <\n 0x4000000000000000000000000000000000000000000000000000000000000000);\n return int128 (sqrtu (uint256 (m)));\n }\n }\n\n /**\n * Calculate x^y assuming 0^0 is 1, where x is signed 64.64 fixed point number\n * and y is unsigned 256-bit integer number. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y uint256 value\n * @return signed 64.64-bit fixed point number\n */\n function pow (int128 x, uint256 y) internal pure returns (int128) {\n unchecked {\n bool negative = x < 0 && y & 1 == 1;\n\n uint256 absX = uint128 (x < 0 ? -x : x);\n uint256 absResult;\n absResult = 0x100000000000000000000000000000000;\n\n if (absX <= 0x10000000000000000) {\n absX <<= 63;\n while (y != 0) {\n if (y & 0x1 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n if (y & 0x2 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n if (y & 0x4 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n if (y & 0x8 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n y >>= 4;\n }\n\n absResult >>= 64;\n } else {\n uint256 absXShift = 63;\n if (absX < 0x1000000000000000000000000) { absX <<= 32; absXShift -= 32; }\n if (absX < 0x10000000000000000000000000000) { absX <<= 16; absXShift -= 16; }\n if (absX < 0x1000000000000000000000000000000) { absX <<= 8; absXShift -= 8; }\n if (absX < 0x10000000000000000000000000000000) { absX <<= 4; absXShift -= 4; }\n if (absX < 0x40000000000000000000000000000000) { absX <<= 2; absXShift -= 2; }\n if (absX < 0x80000000000000000000000000000000) { absX <<= 1; absXShift -= 1; }\n\n uint256 resultShift = 0;\n while (y != 0) {\n require (absXShift < 64);\n\n if (y & 0x1 != 0) {\n absResult = absResult * absX >> 127;\n resultShift += absXShift;\n if (absResult > 0x100000000000000000000000000000000) {\n absResult >>= 1;\n resultShift += 1;\n }\n }\n absX = absX * absX >> 127;\n absXShift <<= 1;\n if (absX >= 0x100000000000000000000000000000000) {\n absX >>= 1;\n absXShift += 1;\n }\n\n y >>= 1;\n }\n\n require (resultShift < 64);\n absResult >>= 64 - resultShift;\n }\n int256 result = negative ? -int256 (absResult) : int256 (absResult);\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate sqrt (x) rounding down. Revert if x < 0.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function sqrt (int128 x) internal pure returns (int128) {\n unchecked {\n require (x >= 0);\n return int128 (sqrtu (uint256 (int256 (x)) << 64));\n }\n }\n\n /**\n * Calculate binary logarithm of x. Revert if x <= 0.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function log_2 (int128 x) internal pure returns (int128) {\n unchecked {\n require (x > 0);\n\n int256 msb = 0;\n int256 xc = x;\n if (xc >= 0x10000000000000000) { xc >>= 64; msb += 64; }\n if (xc >= 0x100000000) { xc >>= 32; msb += 32; }\n if (xc >= 0x10000) { xc >>= 16; msb += 16; }\n if (xc >= 0x100) { xc >>= 8; msb += 8; }\n if (xc >= 0x10) { xc >>= 4; msb += 4; }\n if (xc >= 0x4) { xc >>= 2; msb += 2; }\n if (xc >= 0x2) msb += 1; // No need to shift xc anymore\n\n int256 result = msb - 64 << 64;\n uint256 ux = uint256 (int256 (x)) << uint256 (127 - msb);\n for (int256 bit = 0x8000000000000000; bit > 0; bit >>= 1) {\n ux *= ux;\n uint256 b = ux >> 255;\n ux >>= 127 + b;\n result += bit * int256 (b);\n }\n\n return int128 (result);\n }\n }\n\n /**\n * Calculate natural logarithm of x. Revert if x <= 0.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function ln (int128 x) internal pure returns (int128) {\n unchecked {\n require (x > 0);\n\n return int128 (int256 (\n uint256 (int256 (log_2 (x))) * 0xB17217F7D1CF79ABC9E3B39803F2F6AF >> 128));\n }\n }\n\n /**\n * Calculate binary exponent of x. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function exp_2 (int128 x) internal pure returns (int128) {\n unchecked {\n require (x < 0x400000000000000000); // Overflow\n\n if (x < -0x400000000000000000) return 0; // Underflow\n\n uint256 result = 0x80000000000000000000000000000000;\n\n if (x & 0x8000000000000000 > 0)\n result = result * 0x16A09E667F3BCC908B2FB1366EA957D3E >> 128;\n if (x & 0x4000000000000000 > 0)\n result = result * 0x1306FE0A31B7152DE8D5A46305C85EDEC >> 128;\n if (x & 0x2000000000000000 > 0)\n result = result * 0x1172B83C7D517ADCDF7C8C50EB14A791F >> 128;\n if (x & 0x1000000000000000 > 0)\n result = result * 0x10B5586CF9890F6298B92B71842A98363 >> 128;\n if (x & 0x800000000000000 > 0)\n result = result * 0x1059B0D31585743AE7C548EB68CA417FD >> 128;\n if (x & 0x400000000000000 > 0)\n result = result * 0x102C9A3E778060EE6F7CACA4F7A29BDE8 >> 128;\n if (x & 0x200000000000000 > 0)\n result = result * 0x10163DA9FB33356D84A66AE336DCDFA3F >> 128;\n if (x & 0x100000000000000 > 0)\n result = result * 0x100B1AFA5ABCBED6129AB13EC11DC9543 >> 128;\n if (x & 0x80000000000000 > 0)\n result = result * 0x10058C86DA1C09EA1FF19D294CF2F679B >> 128;\n if (x & 0x40000000000000 > 0)\n result = result * 0x1002C605E2E8CEC506D21BFC89A23A00F >> 128;\n if (x & 0x20000000000000 > 0)\n result = result * 0x100162F3904051FA128BCA9C55C31E5DF >> 128;\n if (x & 0x10000000000000 > 0)\n result = result * 0x1000B175EFFDC76BA38E31671CA939725 >> 128;\n if (x & 0x8000000000000 > 0)\n result = result * 0x100058BA01FB9F96D6CACD4B180917C3D >> 128;\n if (x & 0x4000000000000 > 0)\n result = result * 0x10002C5CC37DA9491D0985C348C68E7B3 >> 128;\n if (x & 0x2000000000000 > 0)\n result = result * 0x1000162E525EE054754457D5995292026 >> 128;\n if (x & 0x1000000000000 > 0)\n result = result * 0x10000B17255775C040618BF4A4ADE83FC >> 128;\n if (x & 0x800000000000 > 0)\n result = result * 0x1000058B91B5BC9AE2EED81E9B7D4CFAB >> 128;\n if (x & 0x400000000000 > 0)\n result = result * 0x100002C5C89D5EC6CA4D7C8ACC017B7C9 >> 128;\n if (x & 0x200000000000 > 0)\n result = result * 0x10000162E43F4F831060E02D839A9D16D >> 128;\n if (x & 0x100000000000 > 0)\n result = result * 0x100000B1721BCFC99D9F890EA06911763 >> 128;\n if (x & 0x80000000000 > 0)\n result = result * 0x10000058B90CF1E6D97F9CA14DBCC1628 >> 128;\n if (x & 0x40000000000 > 0)\n result = result * 0x1000002C5C863B73F016468F6BAC5CA2B >> 128;\n if (x & 0x20000000000 > 0)\n result = result * 0x100000162E430E5A18F6119E3C02282A5 >> 128;\n if (x & 0x10000000000 > 0)\n result = result * 0x1000000B1721835514B86E6D96EFD1BFE >> 128;\n if (x & 0x8000000000 > 0)\n result = result * 0x100000058B90C0B48C6BE5DF846C5B2EF >> 128;\n if (x & 0x4000000000 > 0)\n result = result * 0x10000002C5C8601CC6B9E94213C72737A >> 128;\n if (x & 0x2000000000 > 0)\n result = result * 0x1000000162E42FFF037DF38AA2B219F06 >> 128;\n if (x & 0x1000000000 > 0)\n result = result * 0x10000000B17217FBA9C739AA5819F44F9 >> 128;\n if (x & 0x800000000 > 0)\n result = result * 0x1000000058B90BFCDEE5ACD3C1CEDC823 >> 128;\n if (x & 0x400000000 > 0)\n result = result * 0x100000002C5C85FE31F35A6A30DA1BE50 >> 128;\n if (x & 0x200000000 > 0)\n result = result * 0x10000000162E42FF0999CE3541B9FFFCF >> 128;\n if (x & 0x100000000 > 0)\n result = result * 0x100000000B17217F80F4EF5AADDA45554 >> 128;\n if (x & 0x80000000 > 0)\n result = result * 0x10000000058B90BFBF8479BD5A81B51AD >> 128;\n if (x & 0x40000000 > 0)\n result = result * 0x1000000002C5C85FDF84BD62AE30A74CC >> 128;\n if (x & 0x20000000 > 0)\n result = result * 0x100000000162E42FEFB2FED257559BDAA >> 128;\n if (x & 0x10000000 > 0)\n result = result * 0x1000000000B17217F7D5A7716BBA4A9AE >> 128;\n if (x & 0x8000000 > 0)\n result = result * 0x100000000058B90BFBE9DDBAC5E109CCE >> 128;\n if (x & 0x4000000 > 0)\n result = result * 0x10000000002C5C85FDF4B15DE6F17EB0D >> 128;\n if (x & 0x2000000 > 0)\n result = result * 0x1000000000162E42FEFA494F1478FDE05 >> 128;\n if (x & 0x1000000 > 0)\n result = result * 0x10000000000B17217F7D20CF927C8E94C >> 128;\n if (x & 0x800000 > 0)\n result = result * 0x1000000000058B90BFBE8F71CB4E4B33D >> 128;\n if (x & 0x400000 > 0)\n result = result * 0x100000000002C5C85FDF477B662B26945 >> 128;\n if (x & 0x200000 > 0)\n result = result * 0x10000000000162E42FEFA3AE53369388C >> 128;\n if (x & 0x100000 > 0)\n result = result * 0x100000000000B17217F7D1D351A389D40 >> 128;\n if (x & 0x80000 > 0)\n result = result * 0x10000000000058B90BFBE8E8B2D3D4EDE >> 128;\n if (x & 0x40000 > 0)\n result = result * 0x1000000000002C5C85FDF4741BEA6E77E >> 128;\n if (x & 0x20000 > 0)\n result = result * 0x100000000000162E42FEFA39FE95583C2 >> 128;\n if (x & 0x10000 > 0)\n result = result * 0x1000000000000B17217F7D1CFB72B45E1 >> 128;\n if (x & 0x8000 > 0)\n result = result * 0x100000000000058B90BFBE8E7CC35C3F0 >> 128;\n if (x & 0x4000 > 0)\n result = result * 0x10000000000002C5C85FDF473E242EA38 >> 128;\n if (x & 0x2000 > 0)\n result = result * 0x1000000000000162E42FEFA39F02B772C >> 128;\n if (x & 0x1000 > 0)\n result = result * 0x10000000000000B17217F7D1CF7D83C1A >> 128;\n if (x & 0x800 > 0)\n result = result * 0x1000000000000058B90BFBE8E7BDCBE2E >> 128;\n if (x & 0x400 > 0)\n result = result * 0x100000000000002C5C85FDF473DEA871F >> 128;\n if (x & 0x200 > 0)\n result = result * 0x10000000000000162E42FEFA39EF44D91 >> 128;\n if (x & 0x100 > 0)\n result = result * 0x100000000000000B17217F7D1CF79E949 >> 128;\n if (x & 0x80 > 0)\n result = result * 0x10000000000000058B90BFBE8E7BCE544 >> 128;\n if (x & 0x40 > 0)\n result = result * 0x1000000000000002C5C85FDF473DE6ECA >> 128;\n if (x & 0x20 > 0)\n result = result * 0x100000000000000162E42FEFA39EF366F >> 128;\n if (x & 0x10 > 0)\n result = result * 0x1000000000000000B17217F7D1CF79AFA >> 128;\n if (x & 0x8 > 0)\n result = result * 0x100000000000000058B90BFBE8E7BCD6D >> 128;\n if (x & 0x4 > 0)\n result = result * 0x10000000000000002C5C85FDF473DE6B2 >> 128;\n if (x & 0x2 > 0)\n result = result * 0x1000000000000000162E42FEFA39EF358 >> 128;\n if (x & 0x1 > 0)\n result = result * 0x10000000000000000B17217F7D1CF79AB >> 128;\n\n result >>= uint256 (int256 (63 - (x >> 64)));\n require (result <= uint256 (int256 (MAX_64x64)));\n\n return int128 (int256 (result));\n }\n }\n\n /**\n * Calculate natural exponent of x. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function exp (int128 x) internal pure returns (int128) {\n unchecked {\n require (x < 0x400000000000000000); // Overflow\n\n if (x < -0x400000000000000000) return 0; // Underflow\n\n return exp_2 (\n int128 (int256 (x) * 0x171547652B82FE1777D0FFDA0D23A7D12 >> 128));\n }\n }\n\n /**\n * Calculate x / y rounding towards zero, where x and y are unsigned 256-bit\n * integer numbers. Revert on overflow or when y is zero.\n *\n * @param x unsigned 256-bit integer number\n * @param y unsigned 256-bit integer number\n * @return unsigned 64.64-bit fixed point number\n */\n function divuu (uint256 x, uint256 y) private pure returns (uint128) {\n unchecked {\n require (y != 0);\n\n uint256 result;\n\n if (x <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)\n result = (x << 64) / y;\n else {\n uint256 msb = 192;\n uint256 xc = x >> 192;\n if (xc >= 0x100000000) { xc >>= 32; msb += 32; }\n if (xc >= 0x10000) { xc >>= 16; msb += 16; }\n if (xc >= 0x100) { xc >>= 8; msb += 8; }\n if (xc >= 0x10) { xc >>= 4; msb += 4; }\n if (xc >= 0x4) { xc >>= 2; msb += 2; }\n if (xc >= 0x2) msb += 1; // No need to shift xc anymore\n\n result = (x << 255 - msb) / ((y - 1 >> msb - 191) + 1);\n require (result <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n\n uint256 hi = result * (y >> 128);\n uint256 lo = result * (y & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n\n uint256 xh = x >> 192;\n uint256 xl = x << 64;\n\n if (xl < lo) xh -= 1;\n xl -= lo; // We rely on overflow behavior here\n lo = hi << 128;\n if (xl < lo) xh -= 1;\n xl -= lo; // We rely on overflow behavior here\n\n assert (xh == hi >> 128);\n\n result += xl / y;\n }\n\n require (result <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n return uint128 (result);\n }\n }\n\n /**\n * Calculate sqrt (x) rounding down, where x is unsigned 256-bit integer\n * number.\n *\n * @param x unsigned 256-bit integer number\n * @return unsigned 128-bit integer number\n */\n function sqrtu (uint256 x) private pure returns (uint128) {\n unchecked {\n if (x == 0) return 0;\n else {\n uint256 xx = x;\n uint256 r = 1;\n if (xx >= 0x100000000000000000000000000000000) { xx >>= 128; r <<= 64; }\n if (xx >= 0x10000000000000000) { xx >>= 64; r <<= 32; }\n if (xx >= 0x100000000) { xx >>= 32; r <<= 16; }\n if (xx >= 0x10000) { xx >>= 16; r <<= 8; }\n if (xx >= 0x100) { xx >>= 8; r <<= 4; }\n if (xx >= 0x10) { xx >>= 4; r <<= 2; }\n if (xx >= 0x4) { r <<= 1; }\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1; // Seven iterations should be enough\n uint256 r1 = x / r;\n return uint128 (r < r1 ? r : r1);\n }\n }\n }\n}\n" }, "@openzeppelin/contracts/utils/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/utils/introspection/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n" }, "@openzeppelin/contracts/utils/Strings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n uint8 private constant _ADDRESS_LENGTH = 20;\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\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 if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n\n /**\n * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n */\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n }\n}\n" }, "@openzeppelin/contracts/utils/Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n" }, "@openzeppelin/contracts/utils/Base64.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Base64.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides a set of functions to operate with Base64 strings.\n *\n * _Available since v4.5._\n */\nlibrary Base64 {\n /**\n * @dev Base64 Encoding/Decoding Table\n */\n string internal constant _TABLE = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\n /**\n * @dev Converts a `bytes` to its Bytes64 `string` representation.\n */\n function encode(bytes memory data) internal pure returns (string memory) {\n /**\n * Inspired by Brecht Devos (Brechtpd) implementation - MIT licence\n * https://github.com/Brechtpd/base64/blob/e78d9fd951e7b0977ddca77d92dc85183770daf4/base64.sol\n */\n if (data.length == 0) return \"\";\n\n // Loads the table into memory\n string memory table = _TABLE;\n\n // Encoding takes 3 bytes chunks of binary data from `bytes` data parameter\n // and split into 4 numbers of 6 bits.\n // The final Base64 length should be `bytes` data length multiplied by 4/3 rounded up\n // - `data.length + 2` -> Round up\n // - `/ 3` -> Number of 3-bytes chunks\n // - `4 *` -> 4 characters for each chunk\n string memory result = new string(4 * ((data.length + 2) / 3));\n\n /// @solidity memory-safe-assembly\n assembly {\n // Prepare the lookup table (skip the first \"length\" byte)\n let tablePtr := add(table, 1)\n\n // Prepare result pointer, jump over length\n let resultPtr := add(result, 32)\n\n // Run over the input, 3 bytes at a time\n for {\n let dataPtr := data\n let endPtr := add(data, mload(data))\n } lt(dataPtr, endPtr) {\n\n } {\n // Advance 3 bytes\n dataPtr := add(dataPtr, 3)\n let input := mload(dataPtr)\n\n // To write each character, shift the 3 bytes (18 bits) chunk\n // 4 times in blocks of 6 bits for each character (18, 12, 6, 0)\n // and apply logical AND with 0x3F which is the number of\n // the previous character in the ASCII table prior to the Base64 Table\n // The result is then added to the table to get the character to write,\n // and finally write it in the result pointer but with a left shift\n // of 256 (1 byte) - 8 (1 ASCII char) = 248 bits\n\n mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n\n mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n\n mstore8(resultPtr, mload(add(tablePtr, and(shr(6, input), 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n\n mstore8(resultPtr, mload(add(tablePtr, and(input, 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n }\n\n // When data `bytes` is not exactly 3 bytes long\n // it is padded with `=` characters at the end\n switch mod(mload(data), 3)\n case 1 {\n mstore8(sub(resultPtr, 1), 0x3d)\n mstore8(sub(resultPtr, 2), 0x3d)\n }\n case 2 {\n mstore8(sub(resultPtr, 1), 0x3d)\n }\n }\n\n return result;\n }\n}\n" }, "@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @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}\n" }, "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Metadata is IERC721 {\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC721/ERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC721.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"./extensions/IERC721Metadata.sol\";\nimport \"../../utils/Address.sol\";\nimport \"../../utils/Context.sol\";\nimport \"../../utils/Strings.sol\";\nimport \"../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including\n * the Metadata extension, but not including the Enumerable extension, which is available separately as\n * {ERC721Enumerable}.\n */\ncontract ERC721 is Context, ERC165, IERC721, IERC721Metadata {\n using Address for address;\n using Strings for uint256;\n\n // Token name\n string private _name;\n\n // Token symbol\n string private _symbol;\n\n // Mapping from token ID to owner address\n mapping(uint256 => address) private _owners;\n\n // Mapping owner address to token count\n mapping(address => uint256) private _balances;\n\n // Mapping from token ID to approved address\n mapping(uint256 => address) private _tokenApprovals;\n\n // Mapping from owner to operator approvals\n mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n /**\n * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.\n */\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return\n interfaceId == type(IERC721).interfaceId ||\n interfaceId == type(IERC721Metadata).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev See {IERC721-balanceOf}.\n */\n function balanceOf(address owner) public view virtual override returns (uint256) {\n require(owner != address(0), \"ERC721: address zero is not a valid owner\");\n return _balances[owner];\n }\n\n /**\n * @dev See {IERC721-ownerOf}.\n */\n function ownerOf(uint256 tokenId) public view virtual override returns (address) {\n address owner = _owners[tokenId];\n require(owner != address(0), \"ERC721: invalid token ID\");\n return owner;\n }\n\n /**\n * @dev See {IERC721Metadata-name}.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev See {IERC721Metadata-symbol}.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev See {IERC721Metadata-tokenURI}.\n */\n function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n _requireMinted(tokenId);\n\n string memory baseURI = _baseURI();\n return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : \"\";\n }\n\n /**\n * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n * by default, can be overridden in child contracts.\n */\n function _baseURI() internal view virtual returns (string memory) {\n return \"\";\n }\n\n /**\n * @dev See {IERC721-approve}.\n */\n function approve(address to, uint256 tokenId) public virtual override {\n address owner = ERC721.ownerOf(tokenId);\n require(to != owner, \"ERC721: approval to current owner\");\n\n require(\n _msgSender() == owner || isApprovedForAll(owner, _msgSender()),\n \"ERC721: approve caller is not token owner nor approved for all\"\n );\n\n _approve(to, tokenId);\n }\n\n /**\n * @dev See {IERC721-getApproved}.\n */\n function getApproved(uint256 tokenId) public view virtual override returns (address) {\n _requireMinted(tokenId);\n\n return _tokenApprovals[tokenId];\n }\n\n /**\n * @dev See {IERC721-setApprovalForAll}.\n */\n function setApprovalForAll(address operator, bool approved) public virtual override {\n _setApprovalForAll(_msgSender(), operator, approved);\n }\n\n /**\n * @dev See {IERC721-isApprovedForAll}.\n */\n function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n return _operatorApprovals[owner][operator];\n }\n\n /**\n * @dev See {IERC721-transferFrom}.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n //solhint-disable-next-line max-line-length\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721: caller is not token owner nor approved\");\n\n _transfer(from, to, tokenId);\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) public virtual override {\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721: caller is not token owner nor approved\");\n _safeTransfer(from, to, tokenId, data);\n }\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * `data` is additional data, it has no specified format and it is sent in call to `to`.\n *\n * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.\n * implement alternative mechanisms to perform token transfer, such as signature-based.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function _safeTransfer(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) internal virtual {\n _transfer(from, to, tokenId);\n require(_checkOnERC721Received(from, to, tokenId, data), \"ERC721: transfer to non ERC721Receiver implementer\");\n }\n\n /**\n * @dev Returns whether `tokenId` exists.\n *\n * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n *\n * Tokens start existing when they are minted (`_mint`),\n * and stop existing when they are burned (`_burn`).\n */\n function _exists(uint256 tokenId) internal view virtual returns (bool) {\n return _owners[tokenId] != address(0);\n }\n\n /**\n * @dev Returns whether `spender` is allowed to manage `tokenId`.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {\n address owner = ERC721.ownerOf(tokenId);\n return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);\n }\n\n /**\n * @dev Safely mints `tokenId` and transfers it to `to`.\n *\n * Requirements:\n *\n * - `tokenId` must not exist.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function _safeMint(address to, uint256 tokenId) internal virtual {\n _safeMint(to, tokenId, \"\");\n }\n\n /**\n * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is\n * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.\n */\n function _safeMint(\n address to,\n uint256 tokenId,\n bytes memory data\n ) internal virtual {\n _mint(to, tokenId);\n require(\n _checkOnERC721Received(address(0), to, tokenId, data),\n \"ERC721: transfer to non ERC721Receiver implementer\"\n );\n }\n\n /**\n * @dev Mints `tokenId` and transfers it to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible\n *\n * Requirements:\n *\n * - `tokenId` must not exist.\n * - `to` cannot be the zero address.\n *\n * Emits a {Transfer} event.\n */\n function _mint(address to, uint256 tokenId) internal virtual {\n require(to != address(0), \"ERC721: mint to the zero address\");\n require(!_exists(tokenId), \"ERC721: token already minted\");\n\n _beforeTokenTransfer(address(0), to, tokenId);\n\n _balances[to] += 1;\n _owners[tokenId] = to;\n\n emit Transfer(address(0), to, tokenId);\n\n _afterTokenTransfer(address(0), to, tokenId);\n }\n\n /**\n * @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n *\n * Emits a {Transfer} event.\n */\n function _burn(uint256 tokenId) internal virtual {\n address owner = ERC721.ownerOf(tokenId);\n\n _beforeTokenTransfer(owner, address(0), tokenId);\n\n // Clear approvals\n _approve(address(0), tokenId);\n\n _balances[owner] -= 1;\n delete _owners[tokenId];\n\n emit Transfer(owner, address(0), tokenId);\n\n _afterTokenTransfer(owner, address(0), tokenId);\n }\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n * As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n *\n * Emits a {Transfer} event.\n */\n function _transfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {\n require(ERC721.ownerOf(tokenId) == from, \"ERC721: transfer from incorrect owner\");\n require(to != address(0), \"ERC721: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, tokenId);\n\n // Clear approvals from the previous owner\n _approve(address(0), tokenId);\n\n _balances[from] -= 1;\n _balances[to] += 1;\n _owners[tokenId] = to;\n\n emit Transfer(from, to, tokenId);\n\n _afterTokenTransfer(from, to, tokenId);\n }\n\n /**\n * @dev Approve `to` to operate on `tokenId`\n *\n * Emits an {Approval} event.\n */\n function _approve(address to, uint256 tokenId) internal virtual {\n _tokenApprovals[tokenId] = to;\n emit Approval(ERC721.ownerOf(tokenId), to, tokenId);\n }\n\n /**\n * @dev Approve `operator` to operate on all of `owner` tokens\n *\n * Emits an {ApprovalForAll} event.\n */\n function _setApprovalForAll(\n address owner,\n address operator,\n bool approved\n ) internal virtual {\n require(owner != operator, \"ERC721: approve to caller\");\n _operatorApprovals[owner][operator] = approved;\n emit ApprovalForAll(owner, operator, approved);\n }\n\n /**\n * @dev Reverts if the `tokenId` has not been minted yet.\n */\n function _requireMinted(uint256 tokenId) internal view virtual {\n require(_exists(tokenId), \"ERC721: invalid token ID\");\n }\n\n /**\n * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.\n * The call is not executed if the target address is not a contract.\n *\n * @param from address representing the previous owner of the given token ID\n * @param to target address that will receive the tokens\n * @param tokenId uint256 ID of the token to be transferred\n * @param data bytes optional data to send along with the call\n * @return bool whether the call correctly returned the expected magic value\n */\n function _checkOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) private returns (bool) {\n if (to.isContract()) {\n try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {\n return retval == IERC721Receiver.onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert(\"ERC721: transfer to non ERC721Receiver implementer\");\n } else {\n /// @solidity memory-safe-assembly\n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n } else {\n return true;\n }\n }\n\n /**\n * @dev Hook that is called before any token transfer. This includes minting\n * and burning.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be\n * transferred to `to`.\n * - When `from` is zero, `tokenId` will be minted for `to`.\n * - When `to` is zero, ``from``'s `tokenId` will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {}\n}\n" }, "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\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 v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC20/ERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.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 * For a generic mechanism see {ERC20PresetMinterPauser}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\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 *\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n */\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n mapping(address => uint256) private _balances;\n\n mapping(address => mapping(address => 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 * The default value of {decimals} is 18. To select a different value for\n * {decimals} you should overload it.\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 override 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 override 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 value {ERC20} uses, unless this function is\n * 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 override returns (uint8) {\n return 18;\n }\n\n /**\n * @dev See {IERC20-totalSupply}.\n */\n function totalSupply() public view virtual override returns (uint256) {\n return _totalSupply;\n }\n\n /**\n * @dev See {IERC20-balanceOf}.\n */\n function balanceOf(address account) public view virtual override 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 `amount`.\n */\n function transfer(address to, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-allowance}.\n */\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /**\n * @dev See {IERC20-approve}.\n *\n * NOTE: If `amount` 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 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, amount);\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 `amount`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `amount`.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual override returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, amount);\n _transfer(from, to, amount);\n return true;\n }\n\n /**\n * @dev Atomically increases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, allowance(owner, spender) + addedValue);\n return true;\n }\n\n /**\n * @dev Atomically decreases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n * - `spender` must have allowance for the caller of at least\n * `subtractedValue`.\n */\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n address owner = _msgSender();\n uint256 currentAllowance = allowance(owner, spender);\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n unchecked {\n _approve(owner, spender, currentAllowance - subtractedValue);\n }\n\n return true;\n }\n\n /**\n * @dev Moves `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 * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n */\n function _transfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {\n require(from != address(0), \"ERC20: transfer from the zero address\");\n require(to != address(0), \"ERC20: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, amount);\n\n uint256 fromBalance = _balances[from];\n require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n unchecked {\n _balances[from] = fromBalance - amount;\n }\n _balances[to] += amount;\n\n emit Transfer(from, to, amount);\n\n _afterTokenTransfer(from, to, amount);\n }\n\n /** @dev Creates `amount` tokens and assigns them to `account`, increasing\n * the total supply.\n *\n * Emits a {Transfer} event with `from` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function _mint(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: mint to the zero address\");\n\n _beforeTokenTransfer(address(0), account, amount);\n\n _totalSupply += amount;\n _balances[account] += amount;\n emit Transfer(address(0), account, amount);\n\n _afterTokenTransfer(address(0), account, amount);\n }\n\n /**\n * @dev Destroys `amount` tokens from `account`, reducing the\n * total supply.\n *\n * Emits a {Transfer} event with `to` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n * - `account` must have at least `amount` tokens.\n */\n function _burn(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: burn from the zero address\");\n\n _beforeTokenTransfer(account, address(0), amount);\n\n uint256 accountBalance = _balances[account];\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n unchecked {\n _balances[account] = accountBalance - amount;\n }\n _totalSupply -= amount;\n\n emit Transfer(account, address(0), amount);\n\n _afterTokenTransfer(account, address(0), amount);\n }\n\n /**\n * @dev Sets `amount` 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 function _approve(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n\n /**\n * @dev Updates `owner` s allowance for `spender` based on spent `amount`.\n *\n * Does not update the allowance amount in case of infinite allowance.\n * Revert if not enough allowance is available.\n *\n * Might emit an {Approval} event.\n */\n function _spendAllowance(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n unchecked {\n _approve(owner, spender, currentAllowance - amount);\n }\n }\n }\n\n /**\n * @dev Hook that is called before any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * will be transferred to `to`.\n * - when `from` is zero, `amount` tokens will be minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * has been transferred to `to`.\n * - when `from` is zero, `amount` tokens have been minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n}\n" }, "@openzeppelin/contracts/interfaces/IERC2981.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n * _Available since v4.5._\n */\ninterface IERC2981 is IERC165 {\n /**\n * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.\n */\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n returns (address receiver, uint256 royaltyAmount);\n}\n" }, "@openzeppelin/contracts/interfaces/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (interfaces/IERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/introspection/IERC165.sol\";\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IStakingToken.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IStakingToken {\n event Staked(address indexed user, uint256 amount, uint256 term);\n\n event Withdrawn(address indexed user, uint256 amount, uint256 reward);\n\n function stake(uint256 amount, uint256 term) external;\n\n function withdraw() external;\n}\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IRankedMintingToken.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IRankedMintingToken {\n event RankClaimed(address indexed user, uint256 term, uint256 rank);\n\n event MintClaimed(address indexed user, uint256 rewardAmount);\n\n function claimRank(uint256 term) external;\n\n function claimMintReward() external;\n}\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IBurnableToken.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IBurnableToken {\n function burn(address user, uint256 amount) external;\n}\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IBurnRedeemable.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IBurnRedeemable {\n event Redeemed(\n address indexed user,\n address indexed xenContract,\n address indexed tokenContract,\n uint256 xenAmount,\n uint256 tokenAmount\n );\n\n function onTokenBurned(address user, uint256 amount) external;\n}\n" }, "@faircrypto/xen-crypto/contracts/XENCrypto.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"./Math.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"@openzeppelin/contracts/interfaces/IERC165.sol\";\nimport \"abdk-libraries-solidity/ABDKMath64x64.sol\";\nimport \"./interfaces/IStakingToken.sol\";\nimport \"./interfaces/IRankedMintingToken.sol\";\nimport \"./interfaces/IBurnableToken.sol\";\nimport \"./interfaces/IBurnRedeemable.sol\";\n\ncontract XENCrypto is Context, IRankedMintingToken, IStakingToken, IBurnableToken, ERC20(\"XEN Crypto\", \"XEN\") {\n using Math for uint256;\n using ABDKMath64x64 for int128;\n using ABDKMath64x64 for uint256;\n\n // INTERNAL TYPE TO DESCRIBE A XEN MINT INFO\n struct MintInfo {\n address user;\n uint256 term;\n uint256 maturityTs;\n uint256 rank;\n uint256 amplifier;\n uint256 eaaRate;\n }\n\n // INTERNAL TYPE TO DESCRIBE A XEN STAKE\n struct StakeInfo {\n uint256 term;\n uint256 maturityTs;\n uint256 amount;\n uint256 apy;\n }\n\n // PUBLIC CONSTANTS\n\n uint256 public constant SECONDS_IN_DAY = 3_600 * 24;\n uint256 public constant DAYS_IN_YEAR = 365;\n\n uint256 public constant GENESIS_RANK = 1;\n\n uint256 public constant MIN_TERM = 1 * SECONDS_IN_DAY - 1;\n uint256 public constant MAX_TERM_START = 100 * SECONDS_IN_DAY;\n uint256 public constant MAX_TERM_END = 1_000 * SECONDS_IN_DAY;\n uint256 public constant TERM_AMPLIFIER = 15;\n uint256 public constant TERM_AMPLIFIER_THRESHOLD = 5_000;\n uint256 public constant REWARD_AMPLIFIER_START = 3_000;\n uint256 public constant REWARD_AMPLIFIER_END = 1;\n uint256 public constant EAA_PM_START = 100;\n uint256 public constant EAA_PM_STEP = 1;\n uint256 public constant EAA_RANK_STEP = 100_000;\n uint256 public constant WITHDRAWAL_WINDOW_DAYS = 7;\n uint256 public constant MAX_PENALTY_PCT = 99;\n\n uint256 public constant XEN_MIN_STAKE = 0;\n\n uint256 public constant XEN_MIN_BURN = 0;\n\n uint256 public constant XEN_APY_START = 20;\n uint256 public constant XEN_APY_DAYS_STEP = 90;\n uint256 public constant XEN_APY_END = 2;\n\n string public constant AUTHORS = \"@MrJackLevin @lbelyaev faircrypto.org\";\n\n // PUBLIC STATE, READABLE VIA NAMESAKE GETTERS\n\n uint256 public immutable genesisTs;\n uint256 public globalRank = GENESIS_RANK;\n uint256 public activeMinters;\n uint256 public activeStakes;\n uint256 public totalXenStaked;\n // user address => XEN mint info\n mapping(address => MintInfo) public userMints;\n // user address => XEN stake info\n mapping(address => StakeInfo) public userStakes;\n // user address => XEN burn amount\n mapping(address => uint256) public userBurns;\n\n // CONSTRUCTOR\n constructor() {\n genesisTs = block.timestamp;\n }\n\n // PRIVATE METHODS\n\n /**\n * @dev calculates current MaxTerm based on Global Rank\n * (if Global Rank crosses over TERM_AMPLIFIER_THRESHOLD)\n */\n function _calculateMaxTerm() private view returns (uint256) {\n if (globalRank > TERM_AMPLIFIER_THRESHOLD) {\n uint256 delta = globalRank.fromUInt().log_2().mul(TERM_AMPLIFIER.fromUInt()).toUInt();\n uint256 newMax = MAX_TERM_START + delta * SECONDS_IN_DAY;\n return Math.min(newMax, MAX_TERM_END);\n }\n return MAX_TERM_START;\n }\n\n /**\n * @dev calculates Withdrawal Penalty depending on lateness\n */\n function _penalty(uint256 secsLate) private pure returns (uint256) {\n // =MIN(2^(daysLate+3)/window-1,99)\n uint256 daysLate = secsLate / SECONDS_IN_DAY;\n if (daysLate > WITHDRAWAL_WINDOW_DAYS - 1) return MAX_PENALTY_PCT;\n uint256 penalty = (uint256(1) << (daysLate + 3)) / WITHDRAWAL_WINDOW_DAYS - 1;\n return Math.min(penalty, MAX_PENALTY_PCT);\n }\n\n /**\n * @dev calculates net Mint Reward (adjusted for Penalty)\n */\n function _calculateMintReward(\n uint256 cRank,\n uint256 term,\n uint256 maturityTs,\n uint256 amplifier,\n uint256 eeaRate\n ) private view returns (uint256) {\n uint256 secsLate = block.timestamp - maturityTs;\n uint256 penalty = _penalty(secsLate);\n uint256 rankDelta = Math.max(globalRank - cRank, 2);\n uint256 EAA = (1_000 + eeaRate);\n uint256 reward = getGrossReward(rankDelta, amplifier, term, EAA);\n return (reward * (100 - penalty)) / 100;\n }\n\n /**\n * @dev cleans up User Mint storage (gets some Gas credit;))\n */\n function _cleanUpUserMint() private {\n delete userMints[_msgSender()];\n activeMinters--;\n }\n\n /**\n * @dev calculates XEN Stake Reward\n */\n function _calculateStakeReward(\n uint256 amount,\n uint256 term,\n uint256 maturityTs,\n uint256 apy\n ) private view returns (uint256) {\n if (block.timestamp > maturityTs) {\n uint256 rate = (apy * term * 1_000_000) / DAYS_IN_YEAR;\n return (amount * rate) / 100_000_000;\n }\n return 0;\n }\n\n /**\n * @dev calculates Reward Amplifier\n */\n function _calculateRewardAmplifier() private view returns (uint256) {\n uint256 amplifierDecrease = (block.timestamp - genesisTs) / SECONDS_IN_DAY;\n if (amplifierDecrease < REWARD_AMPLIFIER_START) {\n return Math.max(REWARD_AMPLIFIER_START - amplifierDecrease, REWARD_AMPLIFIER_END);\n } else {\n return REWARD_AMPLIFIER_END;\n }\n }\n\n /**\n * @dev calculates Early Adopter Amplifier Rate (in 1/000ths)\n * actual EAA is (1_000 + EAAR) / 1_000\n */\n function _calculateEAARate() private view returns (uint256) {\n uint256 decrease = (EAA_PM_STEP * globalRank) / EAA_RANK_STEP;\n if (decrease > EAA_PM_START) return 0;\n return EAA_PM_START - decrease;\n }\n\n /**\n * @dev calculates APY (in %)\n */\n function _calculateAPY() private view returns (uint256) {\n uint256 decrease = (block.timestamp - genesisTs) / (SECONDS_IN_DAY * XEN_APY_DAYS_STEP);\n if (XEN_APY_START - XEN_APY_END < decrease) return XEN_APY_END;\n return XEN_APY_START - decrease;\n }\n\n /**\n * @dev creates User Stake\n */\n function _createStake(uint256 amount, uint256 term) private {\n userStakes[_msgSender()] = StakeInfo({\n term: term,\n maturityTs: block.timestamp + term * SECONDS_IN_DAY,\n amount: amount,\n apy: _calculateAPY()\n });\n activeStakes++;\n totalXenStaked += amount;\n }\n\n // PUBLIC CONVENIENCE GETTERS\n\n /**\n * @dev calculates gross Mint Reward\n */\n function getGrossReward(\n uint256 rankDelta,\n uint256 amplifier,\n uint256 term,\n uint256 eaa\n ) public pure returns (uint256) {\n int128 log128 = rankDelta.fromUInt().log_2();\n int128 reward128 = log128.mul(amplifier.fromUInt()).mul(term.fromUInt()).mul(eaa.fromUInt());\n return reward128.div(uint256(1_000).fromUInt()).toUInt();\n }\n\n /**\n * @dev returns User Mint object associated with User account address\n */\n function getUserMint() external view returns (MintInfo memory) {\n return userMints[_msgSender()];\n }\n\n /**\n * @dev returns XEN Stake object associated with User account address\n */\n function getUserStake() external view returns (StakeInfo memory) {\n return userStakes[_msgSender()];\n }\n\n /**\n * @dev returns current AMP\n */\n function getCurrentAMP() external view returns (uint256) {\n return _calculateRewardAmplifier();\n }\n\n /**\n * @dev returns current EAA Rate\n */\n function getCurrentEAAR() external view returns (uint256) {\n return _calculateEAARate();\n }\n\n /**\n * @dev returns current APY\n */\n function getCurrentAPY() external view returns (uint256) {\n return _calculateAPY();\n }\n\n /**\n * @dev returns current MaxTerm\n */\n function getCurrentMaxTerm() external view returns (uint256) {\n return _calculateMaxTerm();\n }\n\n // PUBLIC STATE-CHANGING METHODS\n\n /**\n * @dev accepts User cRank claim provided all checks pass (incl. no current claim exists)\n */\n function claimRank(uint256 term) external {\n uint256 termSec = term * SECONDS_IN_DAY;\n require(termSec > MIN_TERM, \"CRank: Term less than min\");\n require(termSec < _calculateMaxTerm() + 1, \"CRank: Term more than current max term\");\n require(userMints[_msgSender()].rank == 0, \"CRank: Mint already in progress\");\n\n // create and store new MintInfo\n MintInfo memory mintInfo = MintInfo({\n user: _msgSender(),\n term: term,\n maturityTs: block.timestamp + termSec,\n rank: globalRank,\n amplifier: _calculateRewardAmplifier(),\n eaaRate: _calculateEAARate()\n });\n userMints[_msgSender()] = mintInfo;\n activeMinters++;\n emit RankClaimed(_msgSender(), term, globalRank++);\n }\n\n /**\n * @dev ends minting upon maturity (and within permitted Withdrawal Time Window), gets minted XEN\n */\n function claimMintReward() external {\n MintInfo memory mintInfo = userMints[_msgSender()];\n require(mintInfo.rank > 0, \"CRank: No mint exists\");\n require(block.timestamp > mintInfo.maturityTs, \"CRank: Mint maturity not reached\");\n\n // calculate reward and mint tokens\n uint256 rewardAmount = _calculateMintReward(\n mintInfo.rank,\n mintInfo.term,\n mintInfo.maturityTs,\n mintInfo.amplifier,\n mintInfo.eaaRate\n ) * 1 ether;\n _mint(_msgSender(), rewardAmount);\n\n _cleanUpUserMint();\n emit MintClaimed(_msgSender(), rewardAmount);\n }\n\n /**\n * @dev ends minting upon maturity (and within permitted Withdrawal time Window)\n * mints XEN coins and splits them between User and designated other address\n */\n function claimMintRewardAndShare(address other, uint256 pct) external {\n MintInfo memory mintInfo = userMints[_msgSender()];\n require(other != address(0), \"CRank: Cannot share with zero address\");\n require(pct > 0, \"CRank: Cannot share zero percent\");\n require(pct < 101, \"CRank: Cannot share 100+ percent\");\n require(mintInfo.rank > 0, \"CRank: No mint exists\");\n require(block.timestamp > mintInfo.maturityTs, \"CRank: Mint maturity not reached\");\n\n // calculate reward\n uint256 rewardAmount = _calculateMintReward(\n mintInfo.rank,\n mintInfo.term,\n mintInfo.maturityTs,\n mintInfo.amplifier,\n mintInfo.eaaRate\n ) * 1 ether;\n uint256 sharedReward = (rewardAmount * pct) / 100;\n uint256 ownReward = rewardAmount - sharedReward;\n\n // mint reward tokens\n _mint(_msgSender(), ownReward);\n _mint(other, sharedReward);\n\n _cleanUpUserMint();\n emit MintClaimed(_msgSender(), rewardAmount);\n }\n\n /**\n * @dev ends minting upon maturity (and within permitted Withdrawal time Window)\n * mints XEN coins and stakes 'pct' of it for 'term'\n */\n function claimMintRewardAndStake(uint256 pct, uint256 term) external {\n MintInfo memory mintInfo = userMints[_msgSender()];\n // require(pct > 0, \"CRank: Cannot share zero percent\");\n require(pct < 101, \"CRank: Cannot share >100 percent\");\n require(mintInfo.rank > 0, \"CRank: No mint exists\");\n require(block.timestamp > mintInfo.maturityTs, \"CRank: Mint maturity not reached\");\n\n // calculate reward\n uint256 rewardAmount = _calculateMintReward(\n mintInfo.rank,\n mintInfo.term,\n mintInfo.maturityTs,\n mintInfo.amplifier,\n mintInfo.eaaRate\n ) * 1 ether;\n uint256 stakedReward = (rewardAmount * pct) / 100;\n uint256 ownReward = rewardAmount - stakedReward;\n\n // mint reward tokens part\n _mint(_msgSender(), ownReward);\n _cleanUpUserMint();\n emit MintClaimed(_msgSender(), rewardAmount);\n\n // nothing to burn since we haven't minted this part yet\n // stake extra tokens part\n require(stakedReward > XEN_MIN_STAKE, \"XEN: Below min stake\");\n require(term * SECONDS_IN_DAY > MIN_TERM, \"XEN: Below min stake term\");\n require(term * SECONDS_IN_DAY < MAX_TERM_END + 1, \"XEN: Above max stake term\");\n require(userStakes[_msgSender()].amount == 0, \"XEN: stake exists\");\n\n _createStake(stakedReward, term);\n emit Staked(_msgSender(), stakedReward, term);\n }\n\n /**\n * @dev initiates XEN Stake in amount for a term (days)\n */\n function stake(uint256 amount, uint256 term) external {\n require(balanceOf(_msgSender()) >= amount, \"XEN: not enough balance\");\n require(amount > XEN_MIN_STAKE, \"XEN: Below min stake\");\n require(term * SECONDS_IN_DAY > MIN_TERM, \"XEN: Below min stake term\");\n require(term * SECONDS_IN_DAY < MAX_TERM_END + 1, \"XEN: Above max stake term\");\n require(userStakes[_msgSender()].amount == 0, \"XEN: stake exists\");\n\n // burn staked XEN\n _burn(_msgSender(), amount);\n // create XEN Stake\n _createStake(amount, term);\n emit Staked(_msgSender(), amount, term);\n }\n\n /**\n * @dev ends XEN Stake and gets reward if the Stake is mature\n */\n function withdraw() external {\n StakeInfo memory userStake = userStakes[_msgSender()];\n require(userStake.amount > 0, \"XEN: no stake exists\");\n\n uint256 xenReward = _calculateStakeReward(\n userStake.amount,\n userStake.term,\n userStake.maturityTs,\n userStake.apy\n );\n activeStakes--;\n totalXenStaked -= userStake.amount;\n\n // mint staked XEN (+ reward)\n _mint(_msgSender(), userStake.amount + xenReward);\n emit Withdrawn(_msgSender(), userStake.amount, xenReward);\n delete userStakes[_msgSender()];\n }\n\n /**\n * @dev burns XEN tokens and creates Proof-Of-Burn record to be used by connected DeFi services\n */\n function burn(address user, uint256 amount) public {\n require(amount > XEN_MIN_BURN, \"Burn: Below min limit\");\n require(\n IERC165(_msgSender()).supportsInterface(type(IBurnRedeemable).interfaceId),\n \"Burn: not a supported contract\"\n );\n\n _spendAllowance(user, _msgSender(), amount);\n _burn(user, amount);\n userBurns[user] += amount;\n IBurnRedeemable(_msgSender()).onTokenBurned(user, amount);\n }\n}\n" }, "@faircrypto/xen-crypto/contracts/Math.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"abdk-libraries-solidity/ABDKMath64x64.sol\";\n\nlibrary Math {\n\n function min(uint256 a, uint256 b) external pure returns (uint256) {\n if (a > b) return b;\n return a;\n }\n\n function max(uint256 a, uint256 b) external pure returns (uint256) {\n if (a > b) return a;\n return b;\n }\n\n function logX64(uint256 x) external pure returns (int128) {\n return ABDKMath64x64.log_2(ABDKMath64x64.fromUInt(x));\n }\n}\n" } }, "settings": { "remappings": [], "optimizer": { "enabled": true, "runs": 20 }, "evmVersion": "london", "libraries": { "/contracts/libs/MintInfo.sol": { "MintInfo": "0xC739d01beb34E380461BBa9ef8ed1a44874382Be" }, "/contracts/libs/Metadata.sol": { "Metadata": "0x1Ac17FFB8456525BfF46870bba7Ed8772ba063a5" } }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } } }}
1
19,500,152
47b61cb352663b9d5eaac919658cb49bd376a2981faaa7aafb2e4c17f6baae69
90d2ace4b944fcdb1992d483776ae31a2097f0d4a1991287fe93f8a67125e1aa
c160122068707ecefe584ef7caa35d241d51598a
0a252663dbcc0b073063d6420a40319e438cfa59
748adf077e517ba2d40cc67a1411becbec424ba0
3d602d80600a3d3981f3363d3d373d3d3d363d730a252663dbcc0b073063d6420a40319e438cfa595af43d82803e903d91602b57fd5bf3
363d3d373d3d3d363d730a252663dbcc0b073063d6420a40319e438cfa595af43d82803e903d91602b57fd5bf3
{{ "language": "Solidity", "sources": { "/contracts/XENFT.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/token/ERC721/ERC721.sol\";\nimport \"@openzeppelin/contracts/interfaces/IERC2981.sol\";\nimport \"@openzeppelin/contracts/utils/Base64.sol\";\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"@faircrypto/xen-crypto/contracts/XENCrypto.sol\";\nimport \"@faircrypto/xen-crypto/contracts/interfaces/IBurnableToken.sol\";\nimport \"@faircrypto/xen-crypto/contracts/interfaces/IBurnRedeemable.sol\";\nimport \"operator-filter-registry/src/DefaultOperatorFilterer.sol\";\nimport \"./libs/ERC2771Context.sol\";\nimport \"./interfaces/IERC2771.sol\";\nimport \"./interfaces/IXENTorrent.sol\";\nimport \"./interfaces/IXENProxying.sol\";\nimport \"./libs/MintInfo.sol\";\nimport \"./libs/Metadata.sol\";\nimport \"./libs/Array.sol\";\n\n/*\n\n \\\\ // ||||||||||| |\\ || A CRYPTOCURRENCY FOR THE MASSES\n \\\\ // || |\\\\ ||\n \\\\ // || ||\\\\ || PRINCIPLES OF XEN:\n \\\\// || || \\\\ || - No pre-mint; starts with zero supply\n XX |||||||| || \\\\ || - No admin keys\n //\\\\ || || \\\\ || - Immutable contract\n // \\\\ || || \\\\||\n // \\\\ || || \\\\|\n // \\\\ ||||||||||| || \\| Copyright (C) FairCrypto Foundation 2022\n\n\n XENFT XEN Torrent props:\n - count: number of VMUs\n - mintInfo: (term, maturityTs, cRank start, AMP, EAA, apex, limited, group, redeemed)\n */\ncontract XENTorrent is\n DefaultOperatorFilterer, // required to support OpenSea royalties\n IXENTorrent,\n IXENProxying,\n IBurnableToken,\n IBurnRedeemable,\n ERC2771Context, // required to support meta transactions\n IERC2981, // required to support NFT royalties\n ERC721(\"XEN Torrent\", \"XENT\")\n{\n // HELPER LIBRARIES\n\n using Strings for uint256;\n using MintInfo for uint256;\n using Array for uint256[];\n\n // PUBLIC CONSTANTS\n\n // XENFT common business logic\n uint256 public constant BLACKOUT_TERM = 7 * 24 * 3600; /* 7 days in sec */\n\n // XENFT categories' params\n uint256 public constant COMMON_CATEGORY_COUNTER = 10_001;\n uint256 public constant SPECIAL_CATEGORIES_VMU_THRESHOLD = 99;\n uint256 public constant LIMITED_CATEGORY_TIME_THRESHOLD = 3_600 * 24 * 365;\n\n uint256 public constant POWER_GROUP_SIZE = 7_500;\n\n string public constant AUTHORS = \"@MrJackLevin @lbelyaev faircrypto.org\";\n\n uint256 public constant ROYALTY_BP = 250;\n\n // PUBLIC MUTABLE STATE\n\n // increasing counters for NFT tokenIds, also used as salt for proxies' spinning\n uint256 public tokenIdCounter = COMMON_CATEGORY_COUNTER;\n\n // Indexing of params by categories and classes:\n // 0: Collector\n // 1: Limited\n // 2: Rare\n // 3: Epic\n // 4: Legendary\n // 5: Exotic\n // 6: Xunicorn\n // [0, B1, B2, B3, B4, B5, B6]\n uint256[] public specialClassesBurnRates;\n // [0, 0, R1, R2, R3, R4, R5]\n uint256[] public specialClassesTokenLimits;\n // [0, 0, 0 + 1, R1+1, R2+1, R3+1, R4+1]\n uint256[] public specialClassesCounters;\n\n // mapping: NFT tokenId => count of Virtual Mining Units\n mapping(uint256 => uint256) public vmuCount;\n // mapping: NFT tokenId => burned XEN\n mapping(uint256 => uint256) public xenBurned;\n // mapping: NFT tokenId => MintInfo (used in tokenURI generation)\n // MintInfo encoded as:\n // term (uint16)\n // | maturityTs (uint64)\n // | rank (uint128)\n // | amp (uint16)\n // | eaa (uint16)\n // | class (uint8):\n // [7] isApex\n // [6] isLimited\n // [0-5] powerGroupIdx\n // | redeemed (uint8)\n mapping(uint256 => uint256) public mintInfo;\n\n // PUBLIC IMMUTABLE STATE\n\n // pointer to XEN Crypto contract\n XENCrypto public immutable xenCrypto;\n // genesisTs for the contract\n uint256 public immutable genesisTs;\n // start of operations block number\n uint256 public immutable startBlockNumber;\n\n // PRIVATE STATE\n\n // original contract marking to distinguish from proxy copies\n address private immutable _original;\n // original deployer address to be used for setting trusted forwarder\n address private immutable _deployer;\n // address to be used for royalties' tracking\n address private immutable _royaltyReceiver;\n\n // reentrancy guard constants and state\n // using non-zero constants to save gas avoiding repeated initialization\n uint256 private constant _NOT_USED = 2**256 - 1; // 0xFF..FF\n uint256 private constant _USED = _NOT_USED - 1; // 0xFF..FE\n // used as both\n // - reentrancy guard (_NOT_USED > _USED > _NOT_USED)\n // - for keeping state while awaiting for OnTokenBurned callback (_NOT_USED > tokenId > _NOT_USED)\n uint256 private _tokenId;\n\n // mapping Address => tokenId[]\n mapping(address => uint256[]) private _ownedTokens;\n\n /**\n @dev Constructor. Creates XEN Torrent contract, setting immutable parameters\n */\n constructor(\n address xenCrypto_,\n uint256[] memory burnRates_,\n uint256[] memory tokenLimits_,\n uint256 startBlockNumber_,\n address forwarder_,\n address royaltyReceiver_\n ) ERC2771Context(forwarder_) {\n require(xenCrypto_ != address(0), \"bad address\");\n require(burnRates_.length == tokenLimits_.length && burnRates_.length > 0, \"params mismatch\");\n _tokenId = _NOT_USED;\n _original = address(this);\n _deployer = msg.sender;\n _royaltyReceiver = royaltyReceiver_ == address(0) ? msg.sender : royaltyReceiver_;\n startBlockNumber = startBlockNumber_;\n genesisTs = block.timestamp;\n xenCrypto = XENCrypto(xenCrypto_);\n specialClassesBurnRates = burnRates_;\n specialClassesTokenLimits = tokenLimits_;\n specialClassesCounters = new uint256[](tokenLimits_.length);\n for (uint256 i = 2; i < specialClassesBurnRates.length - 1; i++) {\n specialClassesCounters[i] = specialClassesTokenLimits[i + 1] + 1;\n }\n specialClassesCounters[specialClassesBurnRates.length - 1] = 1;\n }\n\n /**\n @dev Call Reentrancy Guard\n */\n modifier nonReentrant() {\n require(_tokenId == _NOT_USED, \"XENFT: Reentrancy detected\");\n _tokenId = _USED;\n _;\n _tokenId = _NOT_USED;\n }\n\n /**\n @dev Start of Operations Guard\n */\n modifier notBeforeStart() {\n require(block.number > startBlockNumber, \"XENFT: Not active yet\");\n _;\n }\n\n // INTERFACES & STANDARDS\n // IERC165 IMPLEMENTATION\n\n /**\n @dev confirms support for IERC-165, IERC-721, IERC2981, IERC2771 and IBurnRedeemable interfaces\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {\n return\n interfaceId == type(IBurnRedeemable).interfaceId ||\n interfaceId == type(IERC2981).interfaceId ||\n interfaceId == type(IERC2771).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n // ERC2771 IMPLEMENTATION\n\n /**\n @dev use ERC2771Context implementation of _msgSender()\n */\n function _msgSender() internal view virtual override(Context, ERC2771Context) returns (address) {\n return ERC2771Context._msgSender();\n }\n\n /**\n @dev use ERC2771Context implementation of _msgData()\n */\n function _msgData() internal view virtual override(Context, ERC2771Context) returns (bytes calldata) {\n return ERC2771Context._msgData();\n }\n\n // OWNABLE IMPLEMENTATION\n\n /**\n @dev public getter to check for deployer / owner (Opensea, etc.)\n */\n function owner() external view returns (address) {\n return _deployer;\n }\n\n // ERC-721 METADATA IMPLEMENTATION\n /**\n @dev compliance with ERC-721 standard (NFT); returns NFT metadata, including SVG-encoded image\n */\n function tokenURI(uint256 tokenId) public view override returns (string memory) {\n uint256 count = vmuCount[tokenId];\n uint256 info = mintInfo[tokenId];\n uint256 burned = xenBurned[tokenId];\n require(count > 0);\n bytes memory dataURI = abi.encodePacked(\n \"{\",\n '\"name\": \"XEN Torrent #',\n tokenId.toString(),\n '\",',\n '\"description\": \"XENFT: XEN Crypto Minting Torrent\",',\n '\"image\": \"',\n \"data:image/svg+xml;base64,\",\n Base64.encode(Metadata.svgData(tokenId, count, info, address(xenCrypto), burned)),\n '\",',\n '\"attributes\": ',\n Metadata.attributes(count, burned, info),\n \"}\"\n );\n return string(abi.encodePacked(\"data:application/json;base64,\", Base64.encode(dataURI)));\n }\n\n // IMPLEMENTATION OF XENProxying INTERFACE\n // FUNCTIONS IN PROXY COPY CONTRACTS (VMUs), CALLING ORIGINAL XEN CRYPTO CONTRACT\n /**\n @dev function callable only in proxy contracts from the original one => XENCrypto.claimRank(term)\n */\n function callClaimRank(uint256 term) external {\n require(msg.sender == _original, \"XEN Proxy: unauthorized\");\n bytes memory callData = abi.encodeWithSignature(\"claimRank(uint256)\", term);\n (bool success, ) = address(xenCrypto).call(callData);\n require(success, \"call failed\");\n }\n\n /**\n @dev function callable only in proxy contracts from the original one => XENCrypto.claimMintRewardAndShare()\n */\n function callClaimMintReward(address to) external {\n require(msg.sender == _original, \"XEN Proxy: unauthorized\");\n bytes memory callData = abi.encodeWithSignature(\"claimMintRewardAndShare(address,uint256)\", to, uint256(100));\n (bool success, ) = address(xenCrypto).call(callData);\n require(success, \"call failed\");\n }\n\n /**\n @dev function callable only in proxy contracts from the original one => destroys the proxy contract\n */\n function powerDown() external {\n require(msg.sender == _original, \"XEN Proxy: unauthorized\");\n selfdestruct(payable(address(0)));\n }\n\n // OVERRIDING OF ERC-721 IMPLEMENTATION\n // ENFORCEMENT OF TRANSFER BLACKOUT PERIOD\n\n /**\n @dev overrides OZ ERC-721 before transfer hook to check if there's no blackout period\n */\n function _beforeTokenTransfer(\n address from,\n address,\n uint256 tokenId\n ) internal virtual override {\n if (from != address(0)) {\n uint256 maturityTs = mintInfo[tokenId].getMaturityTs();\n uint256 delta = maturityTs > block.timestamp ? maturityTs - block.timestamp : block.timestamp - maturityTs;\n require(delta > BLACKOUT_TERM, \"XENFT: transfer prohibited in blackout period\");\n }\n }\n\n /**\n @dev overrides OZ ERC-721 after transfer hook to allow token enumeration for owner\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual override {\n _ownedTokens[from].removeItem(tokenId);\n _ownedTokens[to].addItem(tokenId);\n }\n\n // IBurnRedeemable IMPLEMENTATION\n\n /**\n @dev implements IBurnRedeemable interface for burning XEN and completing Bulk Mint for limited series\n */\n function onTokenBurned(address user, uint256 burned) external {\n require(_tokenId != _NOT_USED, \"XENFT: illegal callback state\");\n require(msg.sender == address(xenCrypto), \"XENFT: illegal callback caller\");\n _ownedTokens[user].addItem(_tokenId);\n xenBurned[_tokenId] = burned;\n _safeMint(user, _tokenId);\n emit StartTorrent(user, vmuCount[_tokenId], mintInfo[_tokenId].getTerm());\n _tokenId = _NOT_USED;\n }\n\n // IBurnableToken IMPLEMENTATION\n\n /**\n @dev burns XENTorrent XENFT which can be used by connected contracts services\n */\n function burn(address user, uint256 tokenId) public notBeforeStart nonReentrant {\n require(\n IERC165(_msgSender()).supportsInterface(type(IBurnRedeemable).interfaceId),\n \"XENFT burn: not a supported contract\"\n );\n require(user != address(0), \"XENFT burn: illegal owner address\");\n require(tokenId > 0, \"XENFT burn: illegal tokenId\");\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"XENFT burn: not an approved operator\");\n require(ownerOf(tokenId) == user, \"XENFT burn: user is not tokenId owner\");\n _ownedTokens[user].removeItem(tokenId);\n _burn(tokenId);\n IBurnRedeemable(_msgSender()).onTokenBurned(user, tokenId);\n }\n\n // OVERRIDING ERC-721 IMPLEMENTATION TO ALLOW OPENSEA ROYALTIES ENFORCEMENT PROTOCOL\n\n /**\n @dev implements `setApprovalForAll` with additional approved Operator checking\n */\n function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) {\n super.setApprovalForAll(operator, approved);\n }\n\n /**\n @dev implements `approve` with additional approved Operator checking\n */\n function approve(address operator, uint256 tokenId) public override onlyAllowedOperatorApproval(operator) {\n super.approve(operator, tokenId);\n }\n\n /**\n @dev implements `transferFrom` with additional approved Operator checking\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public override onlyAllowedOperator(from) {\n super.transferFrom(from, to, tokenId);\n }\n\n /**\n @dev implements `safeTransferFrom` with additional approved Operator checking\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public override onlyAllowedOperator(from) {\n super.safeTransferFrom(from, to, tokenId);\n }\n\n /**\n @dev implements `safeTransferFrom` with additional approved Operator checking\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) public override onlyAllowedOperator(from) {\n super.safeTransferFrom(from, to, tokenId, data);\n }\n\n // SUPPORT FOR ERC2771 META-TRANSACTIONS\n\n /**\n @dev Implements setting a `Trusted Forwarder` for meta-txs. Settable only once\n */\n function addForwarder(address trustedForwarder) external {\n require(msg.sender == _deployer, \"XENFT: not an deployer\");\n require(_trustedForwarder == address(0), \"XENFT: Forwarder is already set\");\n _trustedForwarder = trustedForwarder;\n }\n\n // SUPPORT FOR ERC2981 ROYALTY INFO\n\n /**\n @dev Implements getting Royalty Info by supported operators. ROYALTY_BP is expressed in basis points\n */\n function royaltyInfo(uint256, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount) {\n receiver = _royaltyReceiver;\n royaltyAmount = (salePrice * ROYALTY_BP) / 10_000;\n }\n\n // XEN TORRENT PRIVATE / INTERNAL HELPERS\n\n /**\n @dev Sets specified XENFT as redeemed\n */\n function _setRedeemed(uint256 tokenId) private {\n mintInfo[tokenId] = mintInfo[tokenId] | uint256(1);\n }\n\n /**\n @dev Determines power group index for Collector Category\n */\n function _powerGroup(uint256 vmus, uint256 term) private pure returns (uint256) {\n return (vmus * term) / POWER_GROUP_SIZE;\n }\n\n /**\n @dev calculates Collector Class index\n */\n function _classIdx(uint256 count, uint256 term) private pure returns (uint256 index) {\n if (_powerGroup(count, term) > 7) return 7;\n return _powerGroup(count, term);\n }\n\n /**\n @dev internal helper to determine special class tier based on XEN to be burned\n */\n function _specialTier(uint256 burning) private view returns (uint256) {\n for (uint256 i = specialClassesBurnRates.length - 1; i > 0; i--) {\n if (specialClassesBurnRates[i] == 0) {\n return 0;\n }\n if (burning > specialClassesBurnRates[i] - 1) {\n return i;\n }\n }\n return 0;\n }\n\n /**\n @dev internal helper to collect params and encode MintInfo\n */\n function _mintInfo(\n address proxy,\n uint256 count,\n uint256 term,\n uint256 burning,\n uint256 tokenId\n ) private view returns (uint256) {\n bool apex = isApex(tokenId);\n uint256 _class = _classIdx(count, term);\n if (apex) _class = uint8(7 + _specialTier(burning)) | 0x80; // Apex Class\n if (burning > 0 && !apex) _class = uint8(8) | 0x40; // Limited Class\n (, , uint256 maturityTs, uint256 rank, uint256 amp, uint256 eaa) = xenCrypto.userMints(proxy);\n return MintInfo.encodeMintInfo(term, maturityTs, rank, amp, eaa, _class, false);\n }\n\n /**\n @dev internal torrent interface. initiates Bulk Mint (Torrent) Operation\n */\n function _bulkClaimRank(\n uint256 count,\n uint256 term,\n uint256 tokenId,\n uint256 burning\n ) private {\n bytes memory bytecode = bytes.concat(\n bytes20(0x3D602d80600A3D3981F3363d3d373d3D3D363d73),\n bytes20(address(this)),\n bytes15(0x5af43d82803e903d91602b57fd5bf3)\n );\n bytes memory callData = abi.encodeWithSignature(\"callClaimRank(uint256)\", term);\n address proxy;\n bool succeeded;\n for (uint256 i = 1; i < count + 1; i++) {\n bytes32 salt = keccak256(abi.encodePacked(i, tokenId));\n assembly {\n proxy := create2(0, add(bytecode, 0x20), mload(bytecode), salt)\n succeeded := call(gas(), proxy, 0, add(callData, 0x20), mload(callData), 0, 0)\n }\n require(succeeded, \"XENFT: Error while claiming rank\");\n if (i == 1) {\n mintInfo[tokenId] = _mintInfo(proxy, count, term, burning, tokenId);\n }\n }\n vmuCount[tokenId] = count;\n }\n\n /**\n @dev internal helper to claim tokenId (limited / ordinary)\n */\n function _getTokenId(uint256 count, uint256 burning) private returns (uint256) {\n // burn possibility has already been verified\n uint256 tier = _specialTier(burning);\n if (tier == 1) {\n require(count > SPECIAL_CATEGORIES_VMU_THRESHOLD, \"XENFT: under req VMU count\");\n require(block.timestamp < genesisTs + LIMITED_CATEGORY_TIME_THRESHOLD, \"XENFT: limited time expired\");\n return tokenIdCounter++;\n }\n if (tier > 1) {\n require(_msgSender() == tx.origin, \"XENFT: only EOA allowed for this category\");\n require(count > SPECIAL_CATEGORIES_VMU_THRESHOLD, \"XENFT: under req VMU count\");\n require(specialClassesCounters[tier] < specialClassesTokenLimits[tier] + 1, \"XENFT: class sold out\");\n return specialClassesCounters[tier]++;\n }\n return tokenIdCounter++;\n }\n\n // PUBLIC GETTERS\n\n /**\n @dev public getter for tokens owned by address\n */\n function ownedTokens() external view returns (uint256[] memory) {\n return _ownedTokens[_msgSender()];\n }\n\n /**\n @dev determines if tokenId corresponds to Limited Category\n */\n function isApex(uint256 tokenId) public pure returns (bool apex) {\n apex = tokenId < COMMON_CATEGORY_COUNTER;\n }\n\n // PUBLIC TRANSACTIONAL INTERFACE\n\n /**\n @dev public XEN Torrent interface\n initiates Bulk Mint (Torrent) Operation (Common Category)\n */\n function bulkClaimRank(uint256 count, uint256 term) public notBeforeStart returns (uint256 tokenId) {\n require(_tokenId == _NOT_USED, \"XENFT: reentrancy detected\");\n require(count > 0, \"XENFT: Illegal count\");\n require(term > 0, \"XENFT: Illegal term\");\n _tokenId = _getTokenId(count, 0);\n _bulkClaimRank(count, term, _tokenId, 0);\n _ownedTokens[_msgSender()].addItem(_tokenId);\n _safeMint(_msgSender(), _tokenId);\n emit StartTorrent(_msgSender(), count, term);\n tokenId = _tokenId;\n _tokenId = _NOT_USED;\n }\n\n /**\n @dev public torrent interface. initiates Bulk Mint (Torrent) Operation (Special Category)\n */\n function bulkClaimRankLimited(\n uint256 count,\n uint256 term,\n uint256 burning\n ) public notBeforeStart returns (uint256) {\n require(_tokenId == _NOT_USED, \"XENFT: reentrancy detected\");\n require(count > 0, \"XENFT: Illegal count\");\n require(term > 0, \"XENFT: Illegal term\");\n require(burning > specialClassesBurnRates[1] - 1, \"XENFT: not enough burn amount\");\n uint256 balance = IERC20(xenCrypto).balanceOf(_msgSender());\n require(balance > burning - 1, \"XENFT: not enough XEN balance\");\n uint256 approved = IERC20(xenCrypto).allowance(_msgSender(), address(this));\n require(approved > burning - 1, \"XENFT: not enough XEN balance approved for burn\");\n _tokenId = _getTokenId(count, burning);\n _bulkClaimRank(count, term, _tokenId, burning);\n IBurnableToken(xenCrypto).burn(_msgSender(), burning);\n return _tokenId;\n }\n\n /**\n @dev public torrent interface. initiates Mint Reward claim and collection and terminates Torrent Operation\n */\n function bulkClaimMintReward(uint256 tokenId, address to) external notBeforeStart nonReentrant {\n require(ownerOf(tokenId) == _msgSender(), \"XENFT: Incorrect owner\");\n require(to != address(0), \"XENFT: Illegal address\");\n require(!mintInfo[tokenId].getRedeemed(), \"XENFT: Already redeemed\");\n bytes memory bytecode = bytes.concat(\n bytes20(0x3D602d80600A3D3981F3363d3d373d3D3D363d73),\n bytes20(address(this)),\n bytes15(0x5af43d82803e903d91602b57fd5bf3)\n );\n uint256 end = vmuCount[tokenId] + 1;\n bytes memory callData = abi.encodeWithSignature(\"callClaimMintReward(address)\", to);\n bytes memory callData1 = abi.encodeWithSignature(\"powerDown()\");\n for (uint256 i = 1; i < end; i++) {\n bytes32 salt = keccak256(abi.encodePacked(i, tokenId));\n bool succeeded;\n bytes32 hash = keccak256(abi.encodePacked(hex\"ff\", address(this), salt, keccak256(bytecode)));\n address proxy = address(uint160(uint256(hash)));\n assembly {\n succeeded := call(gas(), proxy, 0, add(callData, 0x20), mload(callData), 0, 0)\n }\n require(succeeded, \"XENFT: Error while claiming rewards\");\n assembly {\n succeeded := call(gas(), proxy, 0, add(callData1, 0x20), mload(callData1), 0, 0)\n }\n require(succeeded, \"XENFT: Error while powering down\");\n }\n _setRedeemed(tokenId);\n emit EndTorrent(_msgSender(), tokenId, to);\n }\n}\n" }, "/contracts/libs/StringData.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\n/*\n Extra XEN quotes:\n\n \"When you realize nothing is lacking, the whole world belongs to you.\" - Lao Tzu\n \"Each morning, we are born again. What we do today is what matters most.\" - Buddha\n \"If you are depressed, you are living in the past.\" - Lao Tzu\n \"In true dialogue, both sides are willing to change.\" - Thich Nhat Hanh\n \"The spirit of the individual is determined by his domination thought habits.\" - Bruce Lee\n \"Be the path. Do not seek it.\" - Yara Tschallener\n \"Bow to no one but your own divinity.\" - Satya\n \"With insight there is hope for awareness, and with awareness there can be change.\" - Tom Kenyon\n \"The opposite of depression isn't happiness, it is purpose.\" - Derek Sivers\n \"If you can't, you must.\" - Tony Robbins\n “When you are grateful, fear disappears and abundance appears.” - Lao Tzu\n “It is in your moments of decision that your destiny is shaped.” - Tony Robbins\n \"Surmounting difficulty is the crucible that forms character.\" - Tony Robbins\n \"Three things cannot be long hidden: the sun, the moon, and the truth.\" - Buddha\n \"What you are is what you have been. What you’ll be is what you do now.\" - Buddha\n \"The best way to take care of our future is to take care of the present moment.\" - Thich Nhat Hanh\n*/\n\n/**\n @dev a library to supply a XEN string data based on params\n*/\nlibrary StringData {\n uint256 public constant QUOTES_COUNT = 12;\n uint256 public constant QUOTE_LENGTH = 66;\n bytes public constant QUOTES =\n bytes(\n '\"If you realize you have enough, you are truly rich.\" - Lao Tzu '\n '\"The real meditation is how you live your life.\" - Jon Kabat-Zinn '\n '\"To know that you do not know is the best.\" - Lao Tzu '\n '\"An over-sharpened sword cannot last long.\" - Lao Tzu '\n '\"When you accept yourself, the whole world accepts you.\" - Lao Tzu'\n '\"Music in the soul can be heard by the universe.\" - Lao Tzu '\n '\"As soon as you have made a thought, laugh at it.\" - Lao Tzu '\n '\"The further one goes, the less one knows.\" - Lao Tzu '\n '\"Stop thinking, and end your problems.\" - Lao Tzu '\n '\"Reliability is the foundation of commitment.\" - Unknown '\n '\"Your past does not equal your future.\" - Tony Robbins '\n '\"Be the path. Do not seek it.\" - Yara Tschallener '\n );\n uint256 public constant CLASSES_COUNT = 14;\n uint256 public constant CLASSES_NAME_LENGTH = 10;\n bytes public constant CLASSES =\n bytes(\n \"Ruby \"\n \"Opal \"\n \"Topaz \"\n \"Emerald \"\n \"Aquamarine\"\n \"Sapphire \"\n \"Amethyst \"\n \"Xenturion \"\n \"Limited \"\n \"Rare \"\n \"Epic \"\n \"Legendary \"\n \"Exotic \"\n \"Xunicorn \"\n );\n\n /**\n @dev Solidity doesn't yet support slicing of byte arrays anywhere outside of calldata,\n therefore we make a hack by supplying our local constant packed string array as calldata\n */\n function getQuote(bytes calldata quotes, uint256 index) external pure returns (string memory) {\n if (index > QUOTES_COUNT - 1) return string(quotes[0:QUOTE_LENGTH]);\n return string(quotes[index * QUOTE_LENGTH:(index + 1) * QUOTE_LENGTH]);\n }\n\n function getClassName(bytes calldata names, uint256 index) external pure returns (string memory) {\n if (index < CLASSES_COUNT) return string(names[index * CLASSES_NAME_LENGTH:(index + 1) * CLASSES_NAME_LENGTH]);\n return \"\";\n }\n}\n" }, "/contracts/libs/SVG.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"./DateTime.sol\";\nimport \"./StringData.sol\";\nimport \"./FormattedStrings.sol\";\n\n/*\n @dev Library to create SVG image for XENFT metadata\n @dependency depends on DataTime.sol and StringData.sol libraries\n */\nlibrary SVG {\n // Type to encode all data params for SVG image generation\n struct SvgParams {\n string symbol;\n address xenAddress;\n uint256 tokenId;\n uint256 term;\n uint256 rank;\n uint256 count;\n uint256 maturityTs;\n uint256 amp;\n uint256 eaa;\n uint256 xenBurned;\n bool redeemed;\n string series;\n }\n\n // Type to encode SVG gradient stop color on HSL color scale\n struct Color {\n uint256 h;\n uint256 s;\n uint256 l;\n uint256 a;\n uint256 off;\n }\n\n // Type to encode SVG gradient\n struct Gradient {\n Color[] colors;\n uint256 id;\n uint256[4] coords;\n }\n\n using DateTime for uint256;\n using Strings for uint256;\n using FormattedStrings for uint256;\n using Strings for address;\n\n string private constant _STYLE =\n \"<style> \"\n \".base {fill: #ededed;font-family:Montserrat,arial,sans-serif;font-size:30px;font-weight:400;} \"\n \".series {text-transform: uppercase} \"\n \".logo {font-size:200px;font-weight:100;} \"\n \".meta {font-size:12px;} \"\n \".small {font-size:8px;} \"\n \".burn {font-weight:500;font-size:16px;} }\"\n \"</style>\";\n\n string private constant _COLLECTOR =\n \"<g>\"\n \"<path \"\n 'stroke=\"#ededed\" '\n 'fill=\"none\" '\n 'transform=\"translate(265,418)\" '\n 'd=\"m 0 0 L -20 -30 L -12.5 -38.5 l 6.5 7 L 0 -38.5 L 6.56 -31.32 L 12.5 -38.5 L 20 -30 L 0 0 L -7.345 -29.955 L 0 -38.5 L 7.67 -30.04 L 0 0 Z M 0 0 L -20.055 -29.955 l 7.555 -8.545 l 24.965 -0.015 L 20 -30 L -20.055 -29.955\"/>'\n \"</g>\";\n\n string private constant _LIMITED =\n \"<g> \"\n '<path fill=\"#ededed\" '\n 'transform=\"scale(0.4) translate(600, 940)\" '\n 'd=\"M66,38.09q.06.9.18,1.71v.05c1,7.08,4.63,11.39,9.59,13.81,5.18,2.53,11.83,3.09,18.48,2.61,1.49-.11,3-.27,4.39-.47l1.59-.2c4.78-.61,11.47-1.48,13.35-5.06,1.16-2.2,1-5,0-8a38.85,38.85,0,0,0-6.89-11.73A32.24,32.24,0,0,0,95,21.46,21.2,21.2,0,0,0,82.3,20a23.53,23.53,0,0,0-12.75,7,15.66,15.66,0,0,0-2.35,3.46h0a20.83,20.83,0,0,0-1,2.83l-.06.2,0,.12A12,12,0,0,0,66,37.9l0,.19Zm26.9-3.63a5.51,5.51,0,0,1,2.53-4.39,14.19,14.19,0,0,0-5.77-.59h-.16l.06.51a5.57,5.57,0,0,0,2.89,4.22,4.92,4.92,0,0,0,.45.24ZM88.62,28l.94-.09a13.8,13.8,0,0,1,8,1.43,7.88,7.88,0,0,1,3.92,6.19l0,.43a.78.78,0,0,1-.66.84A19.23,19.23,0,0,1,98,37a12.92,12.92,0,0,1-6.31-1.44A7.08,7.08,0,0,1,88,30.23a10.85,10.85,0,0,1-.1-1.44.8.8,0,0,1,.69-.78ZM14.15,10c-.06-5.86,3.44-8.49,8-9.49C26.26-.44,31.24.16,34.73.7A111.14,111.14,0,0,1,56.55,6.4a130.26,130.26,0,0,1,22,10.8,26.25,26.25,0,0,1,3-.78,24.72,24.72,0,0,1,14.83,1.69,36,36,0,0,1,13.09,10.42,42.42,42.42,0,0,1,7.54,12.92c1.25,3.81,1.45,7.6-.23,10.79-2.77,5.25-10.56,6.27-16.12,7l-1.23.16a54.53,54.53,0,0,1-2.81,12.06A108.62,108.62,0,0,1,91.3,84v25.29a9.67,9.67,0,0,1,9.25,10.49c0,.41,0,.81,0,1.18a1.84,1.84,0,0,1-1.84,1.81H86.12a8.8,8.8,0,0,1-5.1-1.56,10.82,10.82,0,0,1-3.35-4,2.13,2.13,0,0,1-.2-.46L73.53,103q-2.73,2.13-5.76,4.16c-1.2.8-2.43,1.59-3.69,2.35l.6.16a8.28,8.28,0,0,1,5.07,4,15.38,15.38,0,0,1,1.71,7.11V121a1.83,1.83,0,0,1-1.83,1.83h-53c-2.58.09-4.47-.52-5.75-1.73A6.49,6.49,0,0,1,9.11,116v-11.2a42.61,42.61,0,0,1-6.34-11A38.79,38.79,0,0,1,1.11,70.29,37,37,0,0,1,13.6,50.54l.1-.09a41.08,41.08,0,0,1,11-6.38c7.39-2.9,17.93-2.77,26-2.68,5.21.06,9.34.11,10.19-.49a4.8,4.8,0,0,0,1-.91,5.11,5.11,0,0,0,.56-.84c0-.26,0-.52-.07-.78a16,16,0,0,1-.06-4.2,98.51,98.51,0,0,0-18.76-3.68c-7.48-.83-15.44-1.19-23.47-1.41l-1.35,0c-2.59,0-4.86,0-7.46-1.67A9,9,0,0,1,8,23.68a9.67,9.67,0,0,1-.91-5A10.91,10.91,0,0,1,8.49,14a8.74,8.74,0,0,1,3.37-3.29A8.2,8.2,0,0,1,14.15,10ZM69.14,22a54.75,54.75,0,0,1,4.94-3.24,124.88,124.88,0,0,0-18.8-9A106.89,106.89,0,0,0,34.17,4.31C31,3.81,26.44,3.25,22.89,4c-2.55.56-4.59,1.92-5,4.79a134.49,134.49,0,0,1,26.3,3.8,115.69,115.69,0,0,1,25,9.4ZM64,28.65c.21-.44.42-.86.66-1.28a15.26,15.26,0,0,1,1.73-2.47,146.24,146.24,0,0,0-14.92-6.2,97.69,97.69,0,0,0-15.34-4A123.57,123.57,0,0,0,21.07,13.2c-3.39-.08-6.3.08-7.47.72a5.21,5.21,0,0,0-2,1.94,7.3,7.3,0,0,0-1,3.12,6.1,6.1,0,0,0,.55,3.11,5.43,5.43,0,0,0,2,2.21c1.73,1.09,3.5,1.1,5.51,1.12h1.43c8.16.23,16.23.59,23.78,1.42a103.41,103.41,0,0,1,19.22,3.76,17.84,17.84,0,0,1,.85-2Zm-.76,15.06-.21.16c-1.82,1.3-6.48,1.24-12.35,1.17C42.91,45,32.79,44.83,26,47.47a37.41,37.41,0,0,0-10,5.81l-.1.08A33.44,33.44,0,0,0,4.66,71.17a35.14,35.14,0,0,0,1.5,21.32A39.47,39.47,0,0,0,12.35,103a1.82,1.82,0,0,1,.42,1.16v12a3.05,3.05,0,0,0,.68,2.37,4.28,4.28,0,0,0,3.16.73H67.68a10,10,0,0,0-1.11-3.69,4.7,4.7,0,0,0-2.87-2.32,15.08,15.08,0,0,0-4.4-.38h-26a1.83,1.83,0,0,1-.15-3.65c5.73-.72,10.35-2.74,13.57-6.25,3.06-3.34,4.91-8.1,5.33-14.45v-.13A18.88,18.88,0,0,0,46.35,75a20.22,20.22,0,0,0-7.41-4.42,23.54,23.54,0,0,0-8.52-1.25c-4.7.19-9.11,1.83-12,4.83a1.83,1.83,0,0,1-2.65-2.52c3.53-3.71,8.86-5.73,14.47-6a27.05,27.05,0,0,1,9.85,1.44,24,24,0,0,1,8.74,5.23,22.48,22.48,0,0,1,6.85,15.82v.08a2.17,2.17,0,0,1,0,.36c-.47,7.25-2.66,12.77-6.3,16.75a21.24,21.24,0,0,1-4.62,3.77H57.35q4.44-2.39,8.39-5c2.68-1.79,5.22-3.69,7.63-5.67a1.82,1.82,0,0,1,2.57.24,1.69,1.69,0,0,1,.35.66L81,115.62a7,7,0,0,0,2.16,2.62,5.06,5.06,0,0,0,3,.9H96.88a6.56,6.56,0,0,0-1.68-4.38,7.19,7.19,0,0,0-4.74-1.83c-.36,0-.69,0-1,0a1.83,1.83,0,0,1-1.83-1.83V83.6a1.75,1.75,0,0,1,.23-.88,105.11,105.11,0,0,0,5.34-12.46,52,52,0,0,0,2.55-10.44l-1.23.1c-7.23.52-14.52-.12-20.34-3A20,20,0,0,1,63.26,43.71Z\"/>'\n \"</g>\";\n\n string private constant _APEX =\n '<g transform=\"scale(0.5) translate(533, 790)\">'\n '<circle r=\"39\" stroke=\"#ededed\" fill=\"transparent\"/>'\n '<path fill=\"#ededed\" '\n 'd=\"M0,38 a38,38 0 0 1 0,-76 a19,19 0 0 1 0,38 a19,19 0 0 0 0,38 z m -5 -57 a 5,5 0 1,0 10,0 a 5,5 0 1,0 -10,0 z\" '\n 'fill-rule=\"evenodd\"/>'\n '<path fill=\"#ededed\" '\n 'd=\"m -5, 19 a 5,5 0 1,0 10,0 a 5,5 0 1,0 -10,0\"/>'\n \"</g>\";\n\n string private constant _LOGO =\n '<path fill=\"#ededed\" '\n 'd=\"M122.7,227.1 l-4.8,0l55.8,-74l0,3.2l-51.8,-69.2l5,0l48.8,65.4l-1.2,0l48.8,-65.4l4.8,0l-51.2,68.4l0,-1.6l55.2,73.2l-5,0l-52.8,-70.2l1.2,0l-52.8,70.2z\" '\n 'vector-effect=\"non-scaling-stroke\" />';\n\n /**\n @dev internal helper to create HSL-encoded color prop for SVG tags\n */\n function colorHSL(Color memory c) internal pure returns (bytes memory) {\n return abi.encodePacked(\"hsl(\", c.h.toString(), \", \", c.s.toString(), \"%, \", c.l.toString(), \"%)\");\n }\n\n /**\n @dev internal helper to create `stop` SVG tag\n */\n function colorStop(Color memory c) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n '<stop stop-color=\"',\n colorHSL(c),\n '\" stop-opacity=\"',\n c.a.toString(),\n '\" offset=\"',\n c.off.toString(),\n '%\"/>'\n );\n }\n\n /**\n @dev internal helper to encode position for `Gradient` SVG tag\n */\n function pos(uint256[4] memory coords) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n 'x1=\"',\n coords[0].toString(),\n '%\" '\n 'y1=\"',\n coords[1].toString(),\n '%\" '\n 'x2=\"',\n coords[2].toString(),\n '%\" '\n 'y2=\"',\n coords[3].toString(),\n '%\" '\n );\n }\n\n /**\n @dev internal helper to create `Gradient` SVG tag\n */\n function linearGradient(\n Color[] memory colors,\n uint256 id,\n uint256[4] memory coords\n ) internal pure returns (bytes memory) {\n string memory stops = \"\";\n for (uint256 i = 0; i < colors.length; i++) {\n if (colors[i].h != 0) {\n stops = string.concat(stops, string(colorStop(colors[i])));\n }\n }\n return\n abi.encodePacked(\n \"<linearGradient \",\n pos(coords),\n 'id=\"g',\n id.toString(),\n '\">',\n stops,\n \"</linearGradient>\"\n );\n }\n\n /**\n @dev internal helper to create `Defs` SVG tag\n */\n function defs(Gradient memory grad) internal pure returns (bytes memory) {\n return abi.encodePacked(\"<defs>\", linearGradient(grad.colors, 0, grad.coords), \"</defs>\");\n }\n\n /**\n @dev internal helper to create `Rect` SVG tag\n */\n function rect(uint256 id) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n \"<rect \"\n 'width=\"100%\" '\n 'height=\"100%\" '\n 'fill=\"url(#g',\n id.toString(),\n ')\" '\n 'rx=\"10px\" '\n 'ry=\"10px\" '\n 'stroke-linejoin=\"round\" '\n \"/>\"\n );\n }\n\n /**\n @dev internal helper to create border `Rect` SVG tag\n */\n function border() internal pure returns (string memory) {\n return\n \"<rect \"\n 'width=\"94%\" '\n 'height=\"96%\" '\n 'fill=\"transparent\" '\n 'rx=\"10px\" '\n 'ry=\"10px\" '\n 'stroke-linejoin=\"round\" '\n 'x=\"3%\" '\n 'y=\"2%\" '\n 'stroke-dasharray=\"1,6\" '\n 'stroke=\"white\" '\n \"/>\";\n }\n\n /**\n @dev internal helper to create group `G` SVG tag\n */\n function g(uint256 gradientsCount) internal pure returns (bytes memory) {\n string memory background = \"\";\n for (uint256 i = 0; i < gradientsCount; i++) {\n background = string.concat(background, string(rect(i)));\n }\n return abi.encodePacked(\"<g>\", background, border(), \"</g>\");\n }\n\n /**\n @dev internal helper to create XEN logo line pattern with 2 SVG `lines`\n */\n function logo() internal pure returns (bytes memory) {\n return abi.encodePacked();\n }\n\n /**\n @dev internal helper to create `Text` SVG tag with XEN Crypto contract data\n */\n function contractData(string memory symbol, address xenAddress) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n \"<text \"\n 'x=\"50%\" '\n 'y=\"5%\" '\n 'class=\"base small\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\">',\n symbol,\n unicode\"・\",\n xenAddress.toHexString(),\n \"</text>\"\n );\n }\n\n /**\n @dev internal helper to create cRank range string\n */\n function rankAndCount(uint256 rank, uint256 count) internal pure returns (bytes memory) {\n if (count == 1) return abi.encodePacked(rank.toString());\n return abi.encodePacked(rank.toString(), \"..\", (rank + count - 1).toString());\n }\n\n /**\n @dev internal helper to create 1st part of metadata section of SVG\n */\n function meta1(\n uint256 tokenId,\n uint256 count,\n uint256 eaa,\n string memory series,\n uint256 xenBurned\n ) internal pure returns (bytes memory) {\n bytes memory part1 = abi.encodePacked(\n \"<text \"\n 'x=\"50%\" '\n 'y=\"50%\" '\n 'class=\"base \" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\">'\n \"XEN CRYPTO\"\n \"</text>\"\n \"<text \"\n 'x=\"50%\" '\n 'y=\"56%\" '\n 'class=\"base burn\" '\n 'text-anchor=\"middle\" '\n 'dominant-baseline=\"middle\"> ',\n xenBurned > 0 ? string.concat((xenBurned / 10**18).toFormattedString(), \" X\") : \"\",\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"62%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\"> '\n \"#\",\n tokenId.toString(),\n \"</text>\"\n \"<text \"\n 'x=\"82%\" '\n 'y=\"62%\" '\n 'class=\"base meta series\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"end\" >',\n series,\n \"</text>\"\n );\n bytes memory part2 = abi.encodePacked(\n \"<text \"\n 'x=\"18%\" '\n 'y=\"68%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"VMU: \",\n count.toString(),\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"72%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"EAA: \",\n (eaa / 10).toString(),\n \"%\"\n \"</text>\"\n );\n return abi.encodePacked(part1, part2);\n }\n\n /**\n @dev internal helper to create 2nd part of metadata section of SVG\n */\n function meta2(\n uint256 maturityTs,\n uint256 amp,\n uint256 term,\n uint256 rank,\n uint256 count\n ) internal pure returns (bytes memory) {\n bytes memory part3 = abi.encodePacked(\n \"<text \"\n 'x=\"18%\" '\n 'y=\"76%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"AMP: \",\n amp.toString(),\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"80%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"Term: \",\n term.toString()\n );\n bytes memory part4 = abi.encodePacked(\n \" days\"\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"84%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"cRank: \",\n rankAndCount(rank, count),\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"88%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"Maturity: \",\n maturityTs.asString(),\n \"</text>\"\n );\n return abi.encodePacked(part3, part4);\n }\n\n /**\n @dev internal helper to create `Text` SVG tag for XEN quote\n */\n function quote(uint256 idx) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n \"<text \"\n 'x=\"50%\" '\n 'y=\"95%\" '\n 'class=\"base small\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\" >',\n StringData.getQuote(StringData.QUOTES, idx),\n \"</text>\"\n );\n }\n\n /**\n @dev internal helper to generate `Redeemed` stamp\n */\n function stamp(bool redeemed) internal pure returns (bytes memory) {\n if (!redeemed) return \"\";\n return\n abi.encodePacked(\n \"<rect \"\n 'x=\"50%\" '\n 'y=\"77.5%\" '\n 'width=\"100\" '\n 'height=\"40\" '\n 'stroke=\"black\" '\n 'stroke-width=\"1\" '\n 'fill=\"none\" '\n 'rx=\"5px\" '\n 'ry=\"5px\" '\n 'transform=\"translate(-50,-20) '\n 'rotate(-20,0,400)\" />',\n \"<text \"\n 'x=\"50%\" '\n 'y=\"77.5%\" '\n 'stroke=\"black\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\" '\n 'transform=\"translate(0,0) rotate(-20,-45,380)\" >'\n \"Redeemed\"\n \"</text>\"\n );\n }\n\n /**\n @dev main internal helper to create SVG file representing XENFT\n */\n function image(\n SvgParams memory params,\n Gradient[] memory gradients,\n uint256 idx,\n bool apex,\n bool limited\n ) internal pure returns (bytes memory) {\n string memory mark = limited ? _LIMITED : apex ? _APEX : _COLLECTOR;\n bytes memory graphics = abi.encodePacked(defs(gradients[0]), _STYLE, g(gradients.length), _LOGO, mark);\n bytes memory metadata = abi.encodePacked(\n contractData(params.symbol, params.xenAddress),\n meta1(params.tokenId, params.count, params.eaa, params.series, params.xenBurned),\n meta2(params.maturityTs, params.amp, params.term, params.rank, params.count),\n quote(idx),\n stamp(params.redeemed)\n );\n return\n abi.encodePacked(\n \"<svg \"\n 'xmlns=\"http://www.w3.org/2000/svg\" '\n 'preserveAspectRatio=\"xMinYMin meet\" '\n 'viewBox=\"0 0 350 566\">',\n graphics,\n metadata,\n \"</svg>\"\n );\n }\n}\n" }, "/contracts/libs/MintInfo.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\n// mapping: NFT tokenId => MintInfo (used in tokenURI generation)\n// MintInfo encoded as:\n// term (uint16)\n// | maturityTs (uint64)\n// | rank (uint128)\n// | amp (uint16)\n// | eaa (uint16)\n// | class (uint8):\n// [7] isApex\n// [6] isLimited\n// [0-5] powerGroupIdx\n// | redeemed (uint8)\nlibrary MintInfo {\n /**\n @dev helper to convert Bool to U256 type and make compiler happy\n */\n function toU256(bool x) internal pure returns (uint256 r) {\n assembly {\n r := x\n }\n }\n\n /**\n @dev encodes MintInfo record from its props\n */\n function encodeMintInfo(\n uint256 term,\n uint256 maturityTs,\n uint256 rank,\n uint256 amp,\n uint256 eaa,\n uint256 class_,\n bool redeemed\n ) public pure returns (uint256 info) {\n info = info | (toU256(redeemed) & 0xFF);\n info = info | ((class_ & 0xFF) << 8);\n info = info | ((eaa & 0xFFFF) << 16);\n info = info | ((amp & 0xFFFF) << 32);\n info = info | ((rank & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) << 48);\n info = info | ((maturityTs & 0xFFFFFFFFFFFFFFFF) << 176);\n info = info | ((term & 0xFFFF) << 240);\n }\n\n /**\n @dev decodes MintInfo record and extracts all of its props\n */\n function decodeMintInfo(uint256 info)\n public\n pure\n returns (\n uint256 term,\n uint256 maturityTs,\n uint256 rank,\n uint256 amp,\n uint256 eaa,\n uint256 class,\n bool apex,\n bool limited,\n bool redeemed\n )\n {\n term = uint16(info >> 240);\n maturityTs = uint64(info >> 176);\n rank = uint128(info >> 48);\n amp = uint16(info >> 32);\n eaa = uint16(info >> 16);\n class = uint8(info >> 8) & 0x3F;\n apex = (uint8(info >> 8) & 0x80) > 0;\n limited = (uint8(info >> 8) & 0x40) > 0;\n redeemed = uint8(info) == 1;\n }\n\n /**\n @dev extracts `term` prop from encoded MintInfo\n */\n function getTerm(uint256 info) public pure returns (uint256 term) {\n (term, , , , , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `maturityTs` prop from encoded MintInfo\n */\n function getMaturityTs(uint256 info) public pure returns (uint256 maturityTs) {\n (, maturityTs, , , , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `rank` prop from encoded MintInfo\n */\n function getRank(uint256 info) public pure returns (uint256 rank) {\n (, , rank, , , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `AMP` prop from encoded MintInfo\n */\n function getAMP(uint256 info) public pure returns (uint256 amp) {\n (, , , amp, , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `EAA` prop from encoded MintInfo\n */\n function getEAA(uint256 info) public pure returns (uint256 eaa) {\n (, , , , eaa, , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `redeemed` prop from encoded MintInfo\n */\n function getClass(uint256 info)\n public\n pure\n returns (\n uint256 class_,\n bool apex,\n bool limited\n )\n {\n (, , , , , class_, apex, limited, ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `redeemed` prop from encoded MintInfo\n */\n function getRedeemed(uint256 info) public pure returns (bool redeemed) {\n (, , , , , , , , redeemed) = decodeMintInfo(info);\n }\n}\n" }, "/contracts/libs/Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\";\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"./MintInfo.sol\";\nimport \"./DateTime.sol\";\nimport \"./FormattedStrings.sol\";\nimport \"./SVG.sol\";\n\n/**\n @dev Library contains methods to generate on-chain NFT metadata\n*/\nlibrary Metadata {\n using DateTime for uint256;\n using MintInfo for uint256;\n using Strings for uint256;\n\n uint256 public constant POWER_GROUP_SIZE = 7_500;\n uint256 public constant MAX_POWER = 52_500;\n\n uint256 public constant COLORS_FULL_SCALE = 300;\n uint256 public constant SPECIAL_LUMINOSITY = 45;\n uint256 public constant BASE_SATURATION = 75;\n uint256 public constant BASE_LUMINOSITY = 38;\n uint256 public constant GROUP_SATURATION = 100;\n uint256 public constant GROUP_LUMINOSITY = 50;\n uint256 public constant DEFAULT_OPACITY = 1;\n uint256 public constant NO_COLOR = 360;\n\n // PRIVATE HELPERS\n\n // The following pure methods returning arrays are workaround to use array constants,\n // not yet available in Solidity\n\n function _powerGroupColors() private pure returns (uint256[8] memory) {\n return [uint256(360), 1, 30, 60, 120, 180, 240, 300];\n }\n\n function _huesApex() private pure returns (uint256[3] memory) {\n return [uint256(169), 210, 305];\n }\n\n function _huesLimited() private pure returns (uint256[3] memory) {\n return [uint256(263), 0, 42];\n }\n\n function _stopOffsets() private pure returns (uint256[3] memory) {\n return [uint256(10), 50, 90];\n }\n\n function _gradColorsRegular() private pure returns (uint256[4] memory) {\n return [uint256(150), 150, 20, 20];\n }\n\n function _gradColorsBlack() private pure returns (uint256[4] memory) {\n return [uint256(100), 100, 20, 20];\n }\n\n function _gradColorsSpecial() private pure returns (uint256[4] memory) {\n return [uint256(100), 100, 0, 0];\n }\n\n /**\n @dev private helper to determine XENFT group index by its power\n (power = count of VMUs * mint term in days)\n */\n function _powerGroup(uint256 vmus, uint256 term) private pure returns (uint256) {\n return (vmus * term) / POWER_GROUP_SIZE;\n }\n\n /**\n @dev private helper to generate SVG gradients for special XENFT categories\n */\n function _specialClassGradients(bool rare) private pure returns (SVG.Gradient[] memory gradients) {\n uint256[3] memory specialColors = rare ? _huesApex() : _huesLimited();\n SVG.Color[] memory colors = new SVG.Color[](3);\n for (uint256 i = 0; i < colors.length; i++) {\n colors[i] = SVG.Color({\n h: specialColors[i],\n s: BASE_SATURATION,\n l: SPECIAL_LUMINOSITY,\n a: DEFAULT_OPACITY,\n off: _stopOffsets()[i]\n });\n }\n gradients = new SVG.Gradient[](1);\n gradients[0] = SVG.Gradient({colors: colors, id: 0, coords: _gradColorsSpecial()});\n }\n\n /**\n @dev private helper to generate SVG gradients for common XENFT category\n */\n function _commonCategoryGradients(uint256 vmus, uint256 term)\n private\n pure\n returns (SVG.Gradient[] memory gradients)\n {\n SVG.Color[] memory colors = new SVG.Color[](2);\n uint256 powerHue = term * vmus > MAX_POWER ? NO_COLOR : 1 + (term * vmus * COLORS_FULL_SCALE) / MAX_POWER;\n // group\n uint256 groupHue = _powerGroupColors()[_powerGroup(vmus, term) > 7 ? 7 : _powerGroup(vmus, term)];\n colors[0] = SVG.Color({\n h: groupHue,\n s: groupHue == NO_COLOR ? 0 : GROUP_SATURATION,\n l: groupHue == NO_COLOR ? 0 : GROUP_LUMINOSITY,\n a: DEFAULT_OPACITY,\n off: _stopOffsets()[0]\n });\n // power\n colors[1] = SVG.Color({\n h: powerHue,\n s: powerHue == NO_COLOR ? 0 : BASE_SATURATION,\n l: powerHue == NO_COLOR ? 0 : BASE_LUMINOSITY,\n a: DEFAULT_OPACITY,\n off: _stopOffsets()[2]\n });\n gradients = new SVG.Gradient[](1);\n gradients[0] = SVG.Gradient({\n colors: colors,\n id: 0,\n coords: groupHue == NO_COLOR ? _gradColorsBlack() : _gradColorsRegular()\n });\n }\n\n // PUBLIC INTERFACE\n\n /**\n @dev public interface to generate SVG image based on XENFT params\n */\n function svgData(\n uint256 tokenId,\n uint256 count,\n uint256 info,\n address token,\n uint256 burned\n ) external view returns (bytes memory) {\n string memory symbol = IERC20Metadata(token).symbol();\n (uint256 classIds, bool rare, bool limited) = info.getClass();\n SVG.SvgParams memory params = SVG.SvgParams({\n symbol: symbol,\n xenAddress: token,\n tokenId: tokenId,\n term: info.getTerm(),\n rank: info.getRank(),\n count: count,\n maturityTs: info.getMaturityTs(),\n amp: info.getAMP(),\n eaa: info.getEAA(),\n xenBurned: burned,\n series: StringData.getClassName(StringData.CLASSES, classIds),\n redeemed: info.getRedeemed()\n });\n uint256 quoteIdx = uint256(keccak256(abi.encode(info))) % StringData.QUOTES_COUNT;\n if (rare || limited) {\n return SVG.image(params, _specialClassGradients(rare), quoteIdx, rare, limited);\n }\n return SVG.image(params, _commonCategoryGradients(count, info.getTerm()), quoteIdx, rare, limited);\n }\n\n function _attr1(\n uint256 count,\n uint256 rank,\n uint256 class_\n ) private pure returns (bytes memory) {\n return\n abi.encodePacked(\n '{\"trait_type\":\"Class\",\"value\":\"',\n StringData.getClassName(StringData.CLASSES, class_),\n '\"},'\n '{\"trait_type\":\"VMUs\",\"value\":\"',\n count.toString(),\n '\"},'\n '{\"trait_type\":\"cRank\",\"value\":\"',\n rank.toString(),\n '\"},'\n );\n }\n\n function _attr2(\n uint256 amp,\n uint256 eaa,\n uint256 maturityTs\n ) private pure returns (bytes memory) {\n (uint256 year, string memory month) = DateTime.yearAndMonth(maturityTs);\n return\n abi.encodePacked(\n '{\"trait_type\":\"AMP\",\"value\":\"',\n amp.toString(),\n '\"},'\n '{\"trait_type\":\"EAA (%)\",\"value\":\"',\n (eaa / 10).toString(),\n '\"},'\n '{\"trait_type\":\"Maturity Year\",\"value\":\"',\n year.toString(),\n '\"},'\n '{\"trait_type\":\"Maturity Month\",\"value\":\"',\n month,\n '\"},'\n );\n }\n\n function _attr3(\n uint256 maturityTs,\n uint256 term,\n uint256 burned\n ) private pure returns (bytes memory) {\n return\n abi.encodePacked(\n '{\"trait_type\":\"Maturity DateTime\",\"value\":\"',\n maturityTs.asString(),\n '\"},'\n '{\"trait_type\":\"Term\",\"value\":\"',\n term.toString(),\n '\"},'\n '{\"trait_type\":\"XEN Burned\",\"value\":\"',\n (burned / 10**18).toString(),\n '\"},'\n );\n }\n\n function _attr4(bool apex, bool limited) private pure returns (bytes memory) {\n string memory category = \"Collector\";\n if (limited) category = \"Limited\";\n if (apex) category = \"Apex\";\n return abi.encodePacked('{\"trait_type\":\"Category\",\"value\":\"', category, '\"}');\n }\n\n /**\n @dev private helper to construct attributes portion of NFT metadata\n */\n function attributes(\n uint256 count,\n uint256 burned,\n uint256 mintInfo\n ) external pure returns (bytes memory) {\n (\n uint256 term,\n uint256 maturityTs,\n uint256 rank,\n uint256 amp,\n uint256 eaa,\n uint256 series,\n bool apex,\n bool limited,\n\n ) = MintInfo.decodeMintInfo(mintInfo);\n return\n abi.encodePacked(\n \"[\",\n _attr1(count, rank, series),\n _attr2(amp, eaa, maturityTs),\n _attr3(maturityTs, term, burned),\n _attr4(apex, limited),\n \"]\"\n );\n }\n\n function formattedString(uint256 n) public pure returns (string memory) {\n return FormattedStrings.toFormattedString(n);\n }\n}\n" }, "/contracts/libs/FormattedStrings.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nlibrary FormattedStrings {\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n Base on OpenZeppelin `toString` method from `String` library\n */\n function toFormattedString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n uint256 pos;\n uint256 comas = digits / 3;\n digits = digits + (digits % 3 == 0 ? comas - 1 : comas);\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n if (pos == 3) {\n buffer[digits] = \",\";\n pos = 0;\n } else {\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n pos++;\n }\n }\n return string(buffer);\n }\n}\n" }, "/contracts/libs/ERC2771Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (metatx/ERC2771Context.sol)\n\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/utils/Context.sol\";\n\n/**\n * @dev Context variant with ERC2771 support.\n */\nabstract contract ERC2771Context is Context {\n /// @custom:oz-upgrades-unsafe-allow state-variable-immutable\n // one-time settable var\n address internal _trustedForwarder;\n\n /// @custom:oz-upgrades-unsafe-allow constructor\n constructor(address trustedForwarder) {\n _trustedForwarder = trustedForwarder;\n }\n\n function isTrustedForwarder(address forwarder) public view virtual returns (bool) {\n return forwarder == _trustedForwarder;\n }\n\n function _msgSender() internal view virtual override returns (address sender) {\n if (isTrustedForwarder(msg.sender)) {\n // The assembly code is more direct than the Solidity version using `abi.decode`.\n /// @solidity memory-safe-assembly\n assembly {\n sender := shr(96, calldataload(sub(calldatasize(), 20)))\n }\n } else {\n return super._msgSender();\n }\n }\n\n function _msgData() internal view virtual override returns (bytes calldata) {\n if (isTrustedForwarder(msg.sender)) {\n return msg.data[:msg.data.length - 20];\n } else {\n return super._msgData();\n }\n }\n}\n" }, "/contracts/libs/DateTime.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"./BokkyPooBahsDateTimeLibrary.sol\";\n\n/*\n @dev Library to convert epoch timestamp to a human-readable Date-Time string\n @dependency uses BokkyPooBahsDateTimeLibrary.sol library internally\n */\nlibrary DateTime {\n using Strings for uint256;\n\n bytes public constant MONTHS = bytes(\"JanFebMarAprMayJunJulAugSepOctNovDec\");\n\n /**\n * @dev returns month as short (3-letter) string\n */\n function monthAsString(uint256 idx) internal pure returns (string memory) {\n require(idx > 0, \"bad idx\");\n bytes memory str = new bytes(3);\n uint256 offset = (idx - 1) * 3;\n str[0] = bytes1(MONTHS[offset]);\n str[1] = bytes1(MONTHS[offset + 1]);\n str[2] = bytes1(MONTHS[offset + 2]);\n return string(str);\n }\n\n /**\n * @dev returns string representation of number left-padded for 2 symbols\n */\n function asPaddedString(uint256 n) internal pure returns (string memory) {\n if (n == 0) return \"00\";\n if (n < 10) return string.concat(\"0\", n.toString());\n return n.toString();\n }\n\n /**\n * @dev returns string of format 'Jan 01, 2022 18:00 UTC' for a given timestamp\n */\n function asString(uint256 ts) external pure returns (string memory) {\n (uint256 year, uint256 month, uint256 day, uint256 hour, uint256 minute, ) = BokkyPooBahsDateTimeLibrary\n .timestampToDateTime(ts);\n return\n string(\n abi.encodePacked(\n monthAsString(month),\n \" \",\n day.toString(),\n \", \",\n year.toString(),\n \" \",\n asPaddedString(hour),\n \":\",\n asPaddedString(minute),\n \" UTC\"\n )\n );\n }\n\n /**\n * @dev returns (year, month as string) components of a date by timestamp\n */\n function yearAndMonth(uint256 ts) external pure returns (uint256, string memory) {\n (uint256 year, uint256 month, , , , ) = BokkyPooBahsDateTimeLibrary.timestampToDateTime(ts);\n return (year, monthAsString(month));\n }\n}\n" }, "/contracts/libs/BokkyPooBahsDateTimeLibrary.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\n// ----------------------------------------------------------------------------\n// BokkyPooBah's DateTime Library v1.01\n//\n// A gas-efficient Solidity date and time library\n//\n// https://github.com/bokkypoobah/BokkyPooBahsDateTimeLibrary\n//\n// Tested date range 1970/01/01 to 2345/12/31\n//\n// Conventions:\n// Unit | Range | Notes\n// :-------- |:-------------:|:-----\n// timestamp | >= 0 | Unix timestamp, number of seconds since 1970/01/01 00:00:00 UTC\n// year | 1970 ... 2345 |\n// month | 1 ... 12 |\n// day | 1 ... 31 |\n// hour | 0 ... 23 |\n// minute | 0 ... 59 |\n// second | 0 ... 59 |\n// dayOfWeek | 1 ... 7 | 1 = Monday, ..., 7 = Sunday\n//\n//\n// Enjoy. (c) BokkyPooBah / Bok Consulting Pty Ltd 2018-2019. The MIT Licence.\n// ----------------------------------------------------------------------------\n\nlibrary BokkyPooBahsDateTimeLibrary {\n uint256 constant _SECONDS_PER_DAY = 24 * 60 * 60;\n uint256 constant _SECONDS_PER_HOUR = 60 * 60;\n uint256 constant _SECONDS_PER_MINUTE = 60;\n int256 constant _OFFSET19700101 = 2440588;\n\n uint256 constant _DOW_FRI = 5;\n uint256 constant _DOW_SAT = 6;\n\n // ------------------------------------------------------------------------\n // Calculate the number of days from 1970/01/01 to year/month/day using\n // the date conversion algorithm from\n // https://aa.usno.navy.mil/faq/JD_formula.html\n // and subtracting the offset 2440588 so that 1970/01/01 is day 0\n //\n // days = day\n // - 32075\n // + 1461 * (year + 4800 + (month - 14) / 12) / 4\n // + 367 * (month - 2 - (month - 14) / 12 * 12) / 12\n // - 3 * ((year + 4900 + (month - 14) / 12) / 100) / 4\n // - offset\n // ------------------------------------------------------------------------\n function _daysFromDate(\n uint256 year,\n uint256 month,\n uint256 day\n ) private pure returns (uint256 _days) {\n require(year >= 1970);\n int256 _year = int256(year);\n int256 _month = int256(month);\n int256 _day = int256(day);\n\n int256 __days = _day -\n 32075 +\n (1461 * (_year + 4800 + (_month - 14) / 12)) /\n 4 +\n (367 * (_month - 2 - ((_month - 14) / 12) * 12)) /\n 12 -\n (3 * ((_year + 4900 + (_month - 14) / 12) / 100)) /\n 4 -\n _OFFSET19700101;\n\n _days = uint256(__days);\n }\n\n // ------------------------------------------------------------------------\n // Calculate year/month/day from the number of days since 1970/01/01 using\n // the date conversion algorithm from\n // http://aa.usno.navy.mil/faq/docs/JD_Formula.php\n // and adding the offset 2440588 so that 1970/01/01 is day 0\n //\n // int L = days + 68569 + offset\n // int N = 4 * L / 146097\n // L = L - (146097 * N + 3) / 4\n // year = 4000 * (L + 1) / 1461001\n // L = L - 1461 * year / 4 + 31\n // month = 80 * L / 2447\n // dd = L - 2447 * month / 80\n // L = month / 11\n // month = month + 2 - 12 * L\n // year = 100 * (N - 49) + year + L\n // ------------------------------------------------------------------------\n function _daysToDate(uint256 _days)\n private\n pure\n returns (\n uint256 year,\n uint256 month,\n uint256 day\n )\n {\n int256 __days = int256(_days);\n\n int256 L = __days + 68569 + _OFFSET19700101;\n int256 N = (4 * L) / 146097;\n L = L - (146097 * N + 3) / 4;\n int256 _year = (4000 * (L + 1)) / 1461001;\n L = L - (1461 * _year) / 4 + 31;\n int256 _month = (80 * L) / 2447;\n int256 _day = L - (2447 * _month) / 80;\n L = _month / 11;\n _month = _month + 2 - 12 * L;\n _year = 100 * (N - 49) + _year + L;\n\n year = uint256(_year);\n month = uint256(_month);\n day = uint256(_day);\n }\n\n function timestampFromDate(\n uint256 year,\n uint256 month,\n uint256 day\n ) internal pure returns (uint256 timestamp) {\n timestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY;\n }\n\n function timestampFromDateTime(\n uint256 year,\n uint256 month,\n uint256 day,\n uint256 hour,\n uint256 minute,\n uint256 second\n ) internal pure returns (uint256 timestamp) {\n timestamp =\n _daysFromDate(year, month, day) *\n _SECONDS_PER_DAY +\n hour *\n _SECONDS_PER_HOUR +\n minute *\n _SECONDS_PER_MINUTE +\n second;\n }\n\n function timestampToDate(uint256 timestamp)\n internal\n pure\n returns (\n uint256 year,\n uint256 month,\n uint256 day\n )\n {\n (year, month, day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function timestampToDateTime(uint256 timestamp)\n internal\n pure\n returns (\n uint256 year,\n uint256 month,\n uint256 day,\n uint256 hour,\n uint256 minute,\n uint256 second\n )\n {\n (year, month, day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n uint256 secs = timestamp % _SECONDS_PER_DAY;\n hour = secs / _SECONDS_PER_HOUR;\n secs = secs % _SECONDS_PER_HOUR;\n minute = secs / _SECONDS_PER_MINUTE;\n second = secs % _SECONDS_PER_MINUTE;\n }\n\n function isValidDate(\n uint256 year,\n uint256 month,\n uint256 day\n ) internal pure returns (bool valid) {\n if (year >= 1970 && month > 0 && month <= 12) {\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > 0 && day <= daysInMonth) {\n valid = true;\n }\n }\n }\n\n function isValidDateTime(\n uint256 year,\n uint256 month,\n uint256 day,\n uint256 hour,\n uint256 minute,\n uint256 second\n ) internal pure returns (bool valid) {\n if (isValidDate(year, month, day)) {\n if (hour < 24 && minute < 60 && second < 60) {\n valid = true;\n }\n }\n }\n\n function isLeapYear(uint256 timestamp) internal pure returns (bool leapYear) {\n (uint256 year, , ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n leapYear = _isLeapYear(year);\n }\n\n function _isLeapYear(uint256 year) private pure returns (bool leapYear) {\n leapYear = ((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0);\n }\n\n function isWeekDay(uint256 timestamp) internal pure returns (bool weekDay) {\n weekDay = getDayOfWeek(timestamp) <= _DOW_FRI;\n }\n\n function isWeekEnd(uint256 timestamp) internal pure returns (bool weekEnd) {\n weekEnd = getDayOfWeek(timestamp) >= _DOW_SAT;\n }\n\n function getDaysInMonth(uint256 timestamp) internal pure returns (uint256 daysInMonth) {\n (uint256 year, uint256 month, ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n daysInMonth = _getDaysInMonth(year, month);\n }\n\n function _getDaysInMonth(uint256 year, uint256 month) private pure returns (uint256 daysInMonth) {\n if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12) {\n daysInMonth = 31;\n } else if (month != 2) {\n daysInMonth = 30;\n } else {\n daysInMonth = _isLeapYear(year) ? 29 : 28;\n }\n }\n\n // 1 = Monday, 7 = Sunday\n function getDayOfWeek(uint256 timestamp) internal pure returns (uint256 dayOfWeek) {\n uint256 _days = timestamp / _SECONDS_PER_DAY;\n dayOfWeek = ((_days + 3) % 7) + 1;\n }\n\n function getYear(uint256 timestamp) internal pure returns (uint256 year) {\n (year, , ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function getMonth(uint256 timestamp) internal pure returns (uint256 month) {\n (, month, ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function getDay(uint256 timestamp) internal pure returns (uint256 day) {\n (, , day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function getHour(uint256 timestamp) internal pure returns (uint256 hour) {\n uint256 secs = timestamp % _SECONDS_PER_DAY;\n hour = secs / _SECONDS_PER_HOUR;\n }\n\n function getMinute(uint256 timestamp) internal pure returns (uint256 minute) {\n uint256 secs = timestamp % _SECONDS_PER_HOUR;\n minute = secs / _SECONDS_PER_MINUTE;\n }\n\n function getSecond(uint256 timestamp) internal pure returns (uint256 second) {\n second = timestamp % _SECONDS_PER_MINUTE;\n }\n\n function addYears(uint256 timestamp, uint256 _years) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n year += _years;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp >= timestamp);\n }\n\n function addMonths(uint256 timestamp, uint256 _months) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n month += _months;\n year += (month - 1) / 12;\n month = ((month - 1) % 12) + 1;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp >= timestamp);\n }\n\n function addDays(uint256 timestamp, uint256 _days) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _days * _SECONDS_PER_DAY;\n require(newTimestamp >= timestamp);\n }\n\n function addHours(uint256 timestamp, uint256 _hours) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _hours * _SECONDS_PER_HOUR;\n require(newTimestamp >= timestamp);\n }\n\n function addMinutes(uint256 timestamp, uint256 _minutes) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _minutes * _SECONDS_PER_MINUTE;\n require(newTimestamp >= timestamp);\n }\n\n function addSeconds(uint256 timestamp, uint256 _seconds) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _seconds;\n require(newTimestamp >= timestamp);\n }\n\n function subYears(uint256 timestamp, uint256 _years) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n year -= _years;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp <= timestamp);\n }\n\n function subMonths(uint256 timestamp, uint256 _months) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n uint256 yearMonth = year * 12 + (month - 1) - _months;\n year = yearMonth / 12;\n month = (yearMonth % 12) + 1;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp <= timestamp);\n }\n\n function subDays(uint256 timestamp, uint256 _days) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _days * _SECONDS_PER_DAY;\n require(newTimestamp <= timestamp);\n }\n\n function subHours(uint256 timestamp, uint256 _hours) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _hours * _SECONDS_PER_HOUR;\n require(newTimestamp <= timestamp);\n }\n\n function subMinutes(uint256 timestamp, uint256 _minutes) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _minutes * _SECONDS_PER_MINUTE;\n require(newTimestamp <= timestamp);\n }\n\n function subSeconds(uint256 timestamp, uint256 _seconds) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _seconds;\n require(newTimestamp <= timestamp);\n }\n\n function diffYears(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _years) {\n require(fromTimestamp <= toTimestamp);\n (uint256 fromYear, , ) = _daysToDate(fromTimestamp / _SECONDS_PER_DAY);\n (uint256 toYear, , ) = _daysToDate(toTimestamp / _SECONDS_PER_DAY);\n _years = toYear - fromYear;\n }\n\n function diffMonths(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _months) {\n require(fromTimestamp <= toTimestamp);\n (uint256 fromYear, uint256 fromMonth, ) = _daysToDate(fromTimestamp / _SECONDS_PER_DAY);\n (uint256 toYear, uint256 toMonth, ) = _daysToDate(toTimestamp / _SECONDS_PER_DAY);\n _months = toYear * 12 + toMonth - fromYear * 12 - fromMonth;\n }\n\n function diffDays(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _days) {\n require(fromTimestamp <= toTimestamp);\n _days = (toTimestamp - fromTimestamp) / _SECONDS_PER_DAY;\n }\n\n function diffHours(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _hours) {\n require(fromTimestamp <= toTimestamp);\n _hours = (toTimestamp - fromTimestamp) / _SECONDS_PER_HOUR;\n }\n\n function diffMinutes(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _minutes) {\n require(fromTimestamp <= toTimestamp);\n _minutes = (toTimestamp - fromTimestamp) / _SECONDS_PER_MINUTE;\n }\n\n function diffSeconds(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _seconds) {\n require(fromTimestamp <= toTimestamp);\n _seconds = toTimestamp - fromTimestamp;\n }\n}\n" }, "/contracts/libs/Array.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nlibrary Array {\n function idx(uint256[] memory arr, uint256 item) internal pure returns (uint256 i) {\n for (i = 1; i <= arr.length; i++) {\n if (arr[i - 1] == item) {\n return i;\n }\n }\n i = 0;\n }\n\n function addItem(uint256[] storage arr, uint256 item) internal {\n if (idx(arr, item) == 0) {\n arr.push(item);\n }\n }\n\n function removeItem(uint256[] storage arr, uint256 item) internal {\n uint256 i = idx(arr, item);\n if (i > 0) {\n arr[i - 1] = arr[arr.length - 1];\n arr.pop();\n }\n }\n\n function contains(uint256[] memory container, uint256[] memory items) internal pure returns (bool) {\n if (items.length == 0) return true;\n for (uint256 i = 0; i < items.length; i++) {\n bool itemIsContained = false;\n for (uint256 j = 0; j < container.length; j++) {\n itemIsContained = items[i] == container[j];\n }\n if (!itemIsContained) return false;\n }\n return true;\n }\n\n function asSingletonArray(uint256 element) internal pure returns (uint256[] memory) {\n uint256[] memory array = new uint256[](1);\n array[0] = element;\n return array;\n }\n\n function hasDuplicatesOrZeros(uint256[] memory array) internal pure returns (bool) {\n for (uint256 i = 0; i < array.length; i++) {\n if (array[i] == 0) return true;\n for (uint256 j = 0; j < array.length; j++) {\n if (array[i] == array[j] && i != j) return true;\n }\n }\n return false;\n }\n\n function hasRoguesOrZeros(uint256[] memory array) internal pure returns (bool) {\n uint256 _first = array[0];\n for (uint256 i = 0; i < array.length; i++) {\n if (array[i] == 0 || array[i] != _first) return true;\n }\n return false;\n }\n}\n" }, "/contracts/interfaces/IXENTorrent.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IXENTorrent {\n event StartTorrent(address indexed user, uint256 count, uint256 term);\n event EndTorrent(address indexed user, uint256 tokenId, address to);\n\n function bulkClaimRank(uint256 count, uint256 term) external returns (uint256);\n\n function bulkClaimMintReward(uint256 tokenId, address to) external;\n}\n" }, "/contracts/interfaces/IXENProxying.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IXENProxying {\n function callClaimRank(uint256 term) external;\n\n function callClaimMintReward(address to) external;\n\n function powerDown() external;\n}\n" }, "/contracts/interfaces/IERC2771.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IERC2771 {\n function isTrustedForwarder(address forwarder) external;\n}\n" }, "operator-filter-registry/src/OperatorFilterer.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {IOperatorFilterRegistry} from \"./IOperatorFilterRegistry.sol\";\n\n/**\n * @title OperatorFilterer\n * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another\n * registrant's entries in the OperatorFilterRegistry.\n * @dev This smart contract is meant to be inherited by token contracts so they can use the following:\n * - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.\n * - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.\n */\nabstract contract OperatorFilterer {\n error OperatorNotAllowed(address operator);\n\n IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =\n IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);\n\n constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {\n // If an inheriting token contract is deployed to a network without the registry deployed, the modifier\n // will not revert, but the contract will need to be registered with the registry once it is deployed in\n // order for the modifier to filter addresses.\n if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n if (subscribe) {\n OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);\n } else {\n if (subscriptionOrRegistrantToCopy != address(0)) {\n OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);\n } else {\n OPERATOR_FILTER_REGISTRY.register(address(this));\n }\n }\n }\n }\n\n modifier onlyAllowedOperator(address from) virtual {\n // Allow spending tokens from addresses with balance\n // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred\n // from an EOA.\n if (from != msg.sender) {\n _checkFilterOperator(msg.sender);\n }\n _;\n }\n\n modifier onlyAllowedOperatorApproval(address operator) virtual {\n _checkFilterOperator(operator);\n _;\n }\n\n function _checkFilterOperator(address operator) internal view virtual {\n // Check registry code length to facilitate testing in environments without a deployed registry.\n if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {\n revert OperatorNotAllowed(operator);\n }\n }\n }\n}\n" }, "operator-filter-registry/src/IOperatorFilterRegistry.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\ninterface IOperatorFilterRegistry {\n function isOperatorAllowed(address registrant, address operator) external view returns (bool);\n function register(address registrant) external;\n function registerAndSubscribe(address registrant, address subscription) external;\n function registerAndCopyEntries(address registrant, address registrantToCopy) external;\n function unregister(address addr) external;\n function updateOperator(address registrant, address operator, bool filtered) external;\n function updateOperators(address registrant, address[] calldata operators, bool filtered) external;\n function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;\n function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;\n function subscribe(address registrant, address registrantToSubscribe) external;\n function unsubscribe(address registrant, bool copyExistingEntries) external;\n function subscriptionOf(address addr) external returns (address registrant);\n function subscribers(address registrant) external returns (address[] memory);\n function subscriberAt(address registrant, uint256 index) external returns (address);\n function copyEntriesOf(address registrant, address registrantToCopy) external;\n function isOperatorFiltered(address registrant, address operator) external returns (bool);\n function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);\n function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);\n function filteredOperators(address addr) external returns (address[] memory);\n function filteredCodeHashes(address addr) external returns (bytes32[] memory);\n function filteredOperatorAt(address registrant, uint256 index) external returns (address);\n function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);\n function isRegistered(address addr) external returns (bool);\n function codeHashOf(address addr) external returns (bytes32);\n}\n" }, "operator-filter-registry/src/DefaultOperatorFilterer.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {OperatorFilterer} from \"./OperatorFilterer.sol\";\n\n/**\n * @title DefaultOperatorFilterer\n * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.\n */\nabstract contract DefaultOperatorFilterer is OperatorFilterer {\n address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);\n\n constructor() OperatorFilterer(DEFAULT_SUBSCRIPTION, true) {}\n}\n" }, "abdk-libraries-solidity/ABDKMath64x64.sol": { "content": "// SPDX-License-Identifier: BSD-4-Clause\n/*\n * ABDK Math 64.64 Smart Contract Library. Copyright © 2019 by ABDK Consulting.\n * Author: Mikhail Vladimirov <mikhail.vladimirov@gmail.com>\n */\npragma solidity ^0.8.0;\n\n/**\n * Smart contract library of mathematical functions operating with signed\n * 64.64-bit fixed point numbers. Signed 64.64-bit fixed point number is\n * basically a simple fraction whose numerator is signed 128-bit integer and\n * denominator is 2^64. As long as denominator is always the same, there is no\n * need to store it, thus in Solidity signed 64.64-bit fixed point numbers are\n * represented by int128 type holding only the numerator.\n */\nlibrary ABDKMath64x64 {\n /*\n * Minimum value signed 64.64-bit fixed point number may have. \n */\n int128 private constant MIN_64x64 = -0x80000000000000000000000000000000;\n\n /*\n * Maximum value signed 64.64-bit fixed point number may have. \n */\n int128 private constant MAX_64x64 = 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF;\n\n /**\n * Convert signed 256-bit integer number into signed 64.64-bit fixed point\n * number. Revert on overflow.\n *\n * @param x signed 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function fromInt (int256 x) internal pure returns (int128) {\n unchecked {\n require (x >= -0x8000000000000000 && x <= 0x7FFFFFFFFFFFFFFF);\n return int128 (x << 64);\n }\n }\n\n /**\n * Convert signed 64.64 fixed point number into signed 64-bit integer number\n * rounding down.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64-bit integer number\n */\n function toInt (int128 x) internal pure returns (int64) {\n unchecked {\n return int64 (x >> 64);\n }\n }\n\n /**\n * Convert unsigned 256-bit integer number into signed 64.64-bit fixed point\n * number. Revert on overflow.\n *\n * @param x unsigned 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function fromUInt (uint256 x) internal pure returns (int128) {\n unchecked {\n require (x <= 0x7FFFFFFFFFFFFFFF);\n return int128 (int256 (x << 64));\n }\n }\n\n /**\n * Convert signed 64.64 fixed point number into unsigned 64-bit integer\n * number rounding down. Revert on underflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return unsigned 64-bit integer number\n */\n function toUInt (int128 x) internal pure returns (uint64) {\n unchecked {\n require (x >= 0);\n return uint64 (uint128 (x >> 64));\n }\n }\n\n /**\n * Convert signed 128.128 fixed point number into signed 64.64-bit fixed point\n * number rounding down. Revert on overflow.\n *\n * @param x signed 128.128-bin fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function from128x128 (int256 x) internal pure returns (int128) {\n unchecked {\n int256 result = x >> 64;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Convert signed 64.64 fixed point number into signed 128.128 fixed point\n * number.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 128.128 fixed point number\n */\n function to128x128 (int128 x) internal pure returns (int256) {\n unchecked {\n return int256 (x) << 64;\n }\n }\n\n /**\n * Calculate x + y. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function add (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 result = int256(x) + y;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x - y. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function sub (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 result = int256(x) - y;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x * y rounding down. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function mul (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 result = int256(x) * y >> 64;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x * y rounding towards zero, where x is signed 64.64 fixed point\n * number and y is signed 256-bit integer number. Revert on overflow.\n *\n * @param x signed 64.64 fixed point number\n * @param y signed 256-bit integer number\n * @return signed 256-bit integer number\n */\n function muli (int128 x, int256 y) internal pure returns (int256) {\n unchecked {\n if (x == MIN_64x64) {\n require (y >= -0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF &&\n y <= 0x1000000000000000000000000000000000000000000000000);\n return -y << 63;\n } else {\n bool negativeResult = false;\n if (x < 0) {\n x = -x;\n negativeResult = true;\n }\n if (y < 0) {\n y = -y; // We rely on overflow behavior here\n negativeResult = !negativeResult;\n }\n uint256 absoluteResult = mulu (x, uint256 (y));\n if (negativeResult) {\n require (absoluteResult <=\n 0x8000000000000000000000000000000000000000000000000000000000000000);\n return -int256 (absoluteResult); // We rely on overflow behavior here\n } else {\n require (absoluteResult <=\n 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n return int256 (absoluteResult);\n }\n }\n }\n }\n\n /**\n * Calculate x * y rounding down, where x is signed 64.64 fixed point number\n * and y is unsigned 256-bit integer number. Revert on overflow.\n *\n * @param x signed 64.64 fixed point number\n * @param y unsigned 256-bit integer number\n * @return unsigned 256-bit integer number\n */\n function mulu (int128 x, uint256 y) internal pure returns (uint256) {\n unchecked {\n if (y == 0) return 0;\n\n require (x >= 0);\n\n uint256 lo = (uint256 (int256 (x)) * (y & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) >> 64;\n uint256 hi = uint256 (int256 (x)) * (y >> 128);\n\n require (hi <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n hi <<= 64;\n\n require (hi <=\n 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF - lo);\n return hi + lo;\n }\n }\n\n /**\n * Calculate x / y rounding towards zero. Revert on overflow or when y is\n * zero.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function div (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n require (y != 0);\n int256 result = (int256 (x) << 64) / y;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x / y rounding towards zero, where x and y are signed 256-bit\n * integer numbers. Revert on overflow or when y is zero.\n *\n * @param x signed 256-bit integer number\n * @param y signed 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function divi (int256 x, int256 y) internal pure returns (int128) {\n unchecked {\n require (y != 0);\n\n bool negativeResult = false;\n if (x < 0) {\n x = -x; // We rely on overflow behavior here\n negativeResult = true;\n }\n if (y < 0) {\n y = -y; // We rely on overflow behavior here\n negativeResult = !negativeResult;\n }\n uint128 absoluteResult = divuu (uint256 (x), uint256 (y));\n if (negativeResult) {\n require (absoluteResult <= 0x80000000000000000000000000000000);\n return -int128 (absoluteResult); // We rely on overflow behavior here\n } else {\n require (absoluteResult <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n return int128 (absoluteResult); // We rely on overflow behavior here\n }\n }\n }\n\n /**\n * Calculate x / y rounding towards zero, where x and y are unsigned 256-bit\n * integer numbers. Revert on overflow or when y is zero.\n *\n * @param x unsigned 256-bit integer number\n * @param y unsigned 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function divu (uint256 x, uint256 y) internal pure returns (int128) {\n unchecked {\n require (y != 0);\n uint128 result = divuu (x, y);\n require (result <= uint128 (MAX_64x64));\n return int128 (result);\n }\n }\n\n /**\n * Calculate -x. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function neg (int128 x) internal pure returns (int128) {\n unchecked {\n require (x != MIN_64x64);\n return -x;\n }\n }\n\n /**\n * Calculate |x|. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function abs (int128 x) internal pure returns (int128) {\n unchecked {\n require (x != MIN_64x64);\n return x < 0 ? -x : x;\n }\n }\n\n /**\n * Calculate 1 / x rounding towards zero. Revert on overflow or when x is\n * zero.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function inv (int128 x) internal pure returns (int128) {\n unchecked {\n require (x != 0);\n int256 result = int256 (0x100000000000000000000000000000000) / x;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate arithmetics average of x and y, i.e. (x + y) / 2 rounding down.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function avg (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n return int128 ((int256 (x) + int256 (y)) >> 1);\n }\n }\n\n /**\n * Calculate geometric average of x and y, i.e. sqrt (x * y) rounding down.\n * Revert on overflow or in case x * y is negative.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function gavg (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 m = int256 (x) * int256 (y);\n require (m >= 0);\n require (m <\n 0x4000000000000000000000000000000000000000000000000000000000000000);\n return int128 (sqrtu (uint256 (m)));\n }\n }\n\n /**\n * Calculate x^y assuming 0^0 is 1, where x is signed 64.64 fixed point number\n * and y is unsigned 256-bit integer number. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y uint256 value\n * @return signed 64.64-bit fixed point number\n */\n function pow (int128 x, uint256 y) internal pure returns (int128) {\n unchecked {\n bool negative = x < 0 && y & 1 == 1;\n\n uint256 absX = uint128 (x < 0 ? -x : x);\n uint256 absResult;\n absResult = 0x100000000000000000000000000000000;\n\n if (absX <= 0x10000000000000000) {\n absX <<= 63;\n while (y != 0) {\n if (y & 0x1 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n if (y & 0x2 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n if (y & 0x4 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n if (y & 0x8 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n y >>= 4;\n }\n\n absResult >>= 64;\n } else {\n uint256 absXShift = 63;\n if (absX < 0x1000000000000000000000000) { absX <<= 32; absXShift -= 32; }\n if (absX < 0x10000000000000000000000000000) { absX <<= 16; absXShift -= 16; }\n if (absX < 0x1000000000000000000000000000000) { absX <<= 8; absXShift -= 8; }\n if (absX < 0x10000000000000000000000000000000) { absX <<= 4; absXShift -= 4; }\n if (absX < 0x40000000000000000000000000000000) { absX <<= 2; absXShift -= 2; }\n if (absX < 0x80000000000000000000000000000000) { absX <<= 1; absXShift -= 1; }\n\n uint256 resultShift = 0;\n while (y != 0) {\n require (absXShift < 64);\n\n if (y & 0x1 != 0) {\n absResult = absResult * absX >> 127;\n resultShift += absXShift;\n if (absResult > 0x100000000000000000000000000000000) {\n absResult >>= 1;\n resultShift += 1;\n }\n }\n absX = absX * absX >> 127;\n absXShift <<= 1;\n if (absX >= 0x100000000000000000000000000000000) {\n absX >>= 1;\n absXShift += 1;\n }\n\n y >>= 1;\n }\n\n require (resultShift < 64);\n absResult >>= 64 - resultShift;\n }\n int256 result = negative ? -int256 (absResult) : int256 (absResult);\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate sqrt (x) rounding down. Revert if x < 0.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function sqrt (int128 x) internal pure returns (int128) {\n unchecked {\n require (x >= 0);\n return int128 (sqrtu (uint256 (int256 (x)) << 64));\n }\n }\n\n /**\n * Calculate binary logarithm of x. Revert if x <= 0.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function log_2 (int128 x) internal pure returns (int128) {\n unchecked {\n require (x > 0);\n\n int256 msb = 0;\n int256 xc = x;\n if (xc >= 0x10000000000000000) { xc >>= 64; msb += 64; }\n if (xc >= 0x100000000) { xc >>= 32; msb += 32; }\n if (xc >= 0x10000) { xc >>= 16; msb += 16; }\n if (xc >= 0x100) { xc >>= 8; msb += 8; }\n if (xc >= 0x10) { xc >>= 4; msb += 4; }\n if (xc >= 0x4) { xc >>= 2; msb += 2; }\n if (xc >= 0x2) msb += 1; // No need to shift xc anymore\n\n int256 result = msb - 64 << 64;\n uint256 ux = uint256 (int256 (x)) << uint256 (127 - msb);\n for (int256 bit = 0x8000000000000000; bit > 0; bit >>= 1) {\n ux *= ux;\n uint256 b = ux >> 255;\n ux >>= 127 + b;\n result += bit * int256 (b);\n }\n\n return int128 (result);\n }\n }\n\n /**\n * Calculate natural logarithm of x. Revert if x <= 0.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function ln (int128 x) internal pure returns (int128) {\n unchecked {\n require (x > 0);\n\n return int128 (int256 (\n uint256 (int256 (log_2 (x))) * 0xB17217F7D1CF79ABC9E3B39803F2F6AF >> 128));\n }\n }\n\n /**\n * Calculate binary exponent of x. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function exp_2 (int128 x) internal pure returns (int128) {\n unchecked {\n require (x < 0x400000000000000000); // Overflow\n\n if (x < -0x400000000000000000) return 0; // Underflow\n\n uint256 result = 0x80000000000000000000000000000000;\n\n if (x & 0x8000000000000000 > 0)\n result = result * 0x16A09E667F3BCC908B2FB1366EA957D3E >> 128;\n if (x & 0x4000000000000000 > 0)\n result = result * 0x1306FE0A31B7152DE8D5A46305C85EDEC >> 128;\n if (x & 0x2000000000000000 > 0)\n result = result * 0x1172B83C7D517ADCDF7C8C50EB14A791F >> 128;\n if (x & 0x1000000000000000 > 0)\n result = result * 0x10B5586CF9890F6298B92B71842A98363 >> 128;\n if (x & 0x800000000000000 > 0)\n result = result * 0x1059B0D31585743AE7C548EB68CA417FD >> 128;\n if (x & 0x400000000000000 > 0)\n result = result * 0x102C9A3E778060EE6F7CACA4F7A29BDE8 >> 128;\n if (x & 0x200000000000000 > 0)\n result = result * 0x10163DA9FB33356D84A66AE336DCDFA3F >> 128;\n if (x & 0x100000000000000 > 0)\n result = result * 0x100B1AFA5ABCBED6129AB13EC11DC9543 >> 128;\n if (x & 0x80000000000000 > 0)\n result = result * 0x10058C86DA1C09EA1FF19D294CF2F679B >> 128;\n if (x & 0x40000000000000 > 0)\n result = result * 0x1002C605E2E8CEC506D21BFC89A23A00F >> 128;\n if (x & 0x20000000000000 > 0)\n result = result * 0x100162F3904051FA128BCA9C55C31E5DF >> 128;\n if (x & 0x10000000000000 > 0)\n result = result * 0x1000B175EFFDC76BA38E31671CA939725 >> 128;\n if (x & 0x8000000000000 > 0)\n result = result * 0x100058BA01FB9F96D6CACD4B180917C3D >> 128;\n if (x & 0x4000000000000 > 0)\n result = result * 0x10002C5CC37DA9491D0985C348C68E7B3 >> 128;\n if (x & 0x2000000000000 > 0)\n result = result * 0x1000162E525EE054754457D5995292026 >> 128;\n if (x & 0x1000000000000 > 0)\n result = result * 0x10000B17255775C040618BF4A4ADE83FC >> 128;\n if (x & 0x800000000000 > 0)\n result = result * 0x1000058B91B5BC9AE2EED81E9B7D4CFAB >> 128;\n if (x & 0x400000000000 > 0)\n result = result * 0x100002C5C89D5EC6CA4D7C8ACC017B7C9 >> 128;\n if (x & 0x200000000000 > 0)\n result = result * 0x10000162E43F4F831060E02D839A9D16D >> 128;\n if (x & 0x100000000000 > 0)\n result = result * 0x100000B1721BCFC99D9F890EA06911763 >> 128;\n if (x & 0x80000000000 > 0)\n result = result * 0x10000058B90CF1E6D97F9CA14DBCC1628 >> 128;\n if (x & 0x40000000000 > 0)\n result = result * 0x1000002C5C863B73F016468F6BAC5CA2B >> 128;\n if (x & 0x20000000000 > 0)\n result = result * 0x100000162E430E5A18F6119E3C02282A5 >> 128;\n if (x & 0x10000000000 > 0)\n result = result * 0x1000000B1721835514B86E6D96EFD1BFE >> 128;\n if (x & 0x8000000000 > 0)\n result = result * 0x100000058B90C0B48C6BE5DF846C5B2EF >> 128;\n if (x & 0x4000000000 > 0)\n result = result * 0x10000002C5C8601CC6B9E94213C72737A >> 128;\n if (x & 0x2000000000 > 0)\n result = result * 0x1000000162E42FFF037DF38AA2B219F06 >> 128;\n if (x & 0x1000000000 > 0)\n result = result * 0x10000000B17217FBA9C739AA5819F44F9 >> 128;\n if (x & 0x800000000 > 0)\n result = result * 0x1000000058B90BFCDEE5ACD3C1CEDC823 >> 128;\n if (x & 0x400000000 > 0)\n result = result * 0x100000002C5C85FE31F35A6A30DA1BE50 >> 128;\n if (x & 0x200000000 > 0)\n result = result * 0x10000000162E42FF0999CE3541B9FFFCF >> 128;\n if (x & 0x100000000 > 0)\n result = result * 0x100000000B17217F80F4EF5AADDA45554 >> 128;\n if (x & 0x80000000 > 0)\n result = result * 0x10000000058B90BFBF8479BD5A81B51AD >> 128;\n if (x & 0x40000000 > 0)\n result = result * 0x1000000002C5C85FDF84BD62AE30A74CC >> 128;\n if (x & 0x20000000 > 0)\n result = result * 0x100000000162E42FEFB2FED257559BDAA >> 128;\n if (x & 0x10000000 > 0)\n result = result * 0x1000000000B17217F7D5A7716BBA4A9AE >> 128;\n if (x & 0x8000000 > 0)\n result = result * 0x100000000058B90BFBE9DDBAC5E109CCE >> 128;\n if (x & 0x4000000 > 0)\n result = result * 0x10000000002C5C85FDF4B15DE6F17EB0D >> 128;\n if (x & 0x2000000 > 0)\n result = result * 0x1000000000162E42FEFA494F1478FDE05 >> 128;\n if (x & 0x1000000 > 0)\n result = result * 0x10000000000B17217F7D20CF927C8E94C >> 128;\n if (x & 0x800000 > 0)\n result = result * 0x1000000000058B90BFBE8F71CB4E4B33D >> 128;\n if (x & 0x400000 > 0)\n result = result * 0x100000000002C5C85FDF477B662B26945 >> 128;\n if (x & 0x200000 > 0)\n result = result * 0x10000000000162E42FEFA3AE53369388C >> 128;\n if (x & 0x100000 > 0)\n result = result * 0x100000000000B17217F7D1D351A389D40 >> 128;\n if (x & 0x80000 > 0)\n result = result * 0x10000000000058B90BFBE8E8B2D3D4EDE >> 128;\n if (x & 0x40000 > 0)\n result = result * 0x1000000000002C5C85FDF4741BEA6E77E >> 128;\n if (x & 0x20000 > 0)\n result = result * 0x100000000000162E42FEFA39FE95583C2 >> 128;\n if (x & 0x10000 > 0)\n result = result * 0x1000000000000B17217F7D1CFB72B45E1 >> 128;\n if (x & 0x8000 > 0)\n result = result * 0x100000000000058B90BFBE8E7CC35C3F0 >> 128;\n if (x & 0x4000 > 0)\n result = result * 0x10000000000002C5C85FDF473E242EA38 >> 128;\n if (x & 0x2000 > 0)\n result = result * 0x1000000000000162E42FEFA39F02B772C >> 128;\n if (x & 0x1000 > 0)\n result = result * 0x10000000000000B17217F7D1CF7D83C1A >> 128;\n if (x & 0x800 > 0)\n result = result * 0x1000000000000058B90BFBE8E7BDCBE2E >> 128;\n if (x & 0x400 > 0)\n result = result * 0x100000000000002C5C85FDF473DEA871F >> 128;\n if (x & 0x200 > 0)\n result = result * 0x10000000000000162E42FEFA39EF44D91 >> 128;\n if (x & 0x100 > 0)\n result = result * 0x100000000000000B17217F7D1CF79E949 >> 128;\n if (x & 0x80 > 0)\n result = result * 0x10000000000000058B90BFBE8E7BCE544 >> 128;\n if (x & 0x40 > 0)\n result = result * 0x1000000000000002C5C85FDF473DE6ECA >> 128;\n if (x & 0x20 > 0)\n result = result * 0x100000000000000162E42FEFA39EF366F >> 128;\n if (x & 0x10 > 0)\n result = result * 0x1000000000000000B17217F7D1CF79AFA >> 128;\n if (x & 0x8 > 0)\n result = result * 0x100000000000000058B90BFBE8E7BCD6D >> 128;\n if (x & 0x4 > 0)\n result = result * 0x10000000000000002C5C85FDF473DE6B2 >> 128;\n if (x & 0x2 > 0)\n result = result * 0x1000000000000000162E42FEFA39EF358 >> 128;\n if (x & 0x1 > 0)\n result = result * 0x10000000000000000B17217F7D1CF79AB >> 128;\n\n result >>= uint256 (int256 (63 - (x >> 64)));\n require (result <= uint256 (int256 (MAX_64x64)));\n\n return int128 (int256 (result));\n }\n }\n\n /**\n * Calculate natural exponent of x. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function exp (int128 x) internal pure returns (int128) {\n unchecked {\n require (x < 0x400000000000000000); // Overflow\n\n if (x < -0x400000000000000000) return 0; // Underflow\n\n return exp_2 (\n int128 (int256 (x) * 0x171547652B82FE1777D0FFDA0D23A7D12 >> 128));\n }\n }\n\n /**\n * Calculate x / y rounding towards zero, where x and y are unsigned 256-bit\n * integer numbers. Revert on overflow or when y is zero.\n *\n * @param x unsigned 256-bit integer number\n * @param y unsigned 256-bit integer number\n * @return unsigned 64.64-bit fixed point number\n */\n function divuu (uint256 x, uint256 y) private pure returns (uint128) {\n unchecked {\n require (y != 0);\n\n uint256 result;\n\n if (x <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)\n result = (x << 64) / y;\n else {\n uint256 msb = 192;\n uint256 xc = x >> 192;\n if (xc >= 0x100000000) { xc >>= 32; msb += 32; }\n if (xc >= 0x10000) { xc >>= 16; msb += 16; }\n if (xc >= 0x100) { xc >>= 8; msb += 8; }\n if (xc >= 0x10) { xc >>= 4; msb += 4; }\n if (xc >= 0x4) { xc >>= 2; msb += 2; }\n if (xc >= 0x2) msb += 1; // No need to shift xc anymore\n\n result = (x << 255 - msb) / ((y - 1 >> msb - 191) + 1);\n require (result <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n\n uint256 hi = result * (y >> 128);\n uint256 lo = result * (y & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n\n uint256 xh = x >> 192;\n uint256 xl = x << 64;\n\n if (xl < lo) xh -= 1;\n xl -= lo; // We rely on overflow behavior here\n lo = hi << 128;\n if (xl < lo) xh -= 1;\n xl -= lo; // We rely on overflow behavior here\n\n assert (xh == hi >> 128);\n\n result += xl / y;\n }\n\n require (result <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n return uint128 (result);\n }\n }\n\n /**\n * Calculate sqrt (x) rounding down, where x is unsigned 256-bit integer\n * number.\n *\n * @param x unsigned 256-bit integer number\n * @return unsigned 128-bit integer number\n */\n function sqrtu (uint256 x) private pure returns (uint128) {\n unchecked {\n if (x == 0) return 0;\n else {\n uint256 xx = x;\n uint256 r = 1;\n if (xx >= 0x100000000000000000000000000000000) { xx >>= 128; r <<= 64; }\n if (xx >= 0x10000000000000000) { xx >>= 64; r <<= 32; }\n if (xx >= 0x100000000) { xx >>= 32; r <<= 16; }\n if (xx >= 0x10000) { xx >>= 16; r <<= 8; }\n if (xx >= 0x100) { xx >>= 8; r <<= 4; }\n if (xx >= 0x10) { xx >>= 4; r <<= 2; }\n if (xx >= 0x4) { r <<= 1; }\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1; // Seven iterations should be enough\n uint256 r1 = x / r;\n return uint128 (r < r1 ? r : r1);\n }\n }\n }\n}\n" }, "@openzeppelin/contracts/utils/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/utils/introspection/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n" }, "@openzeppelin/contracts/utils/Strings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n uint8 private constant _ADDRESS_LENGTH = 20;\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\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 if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n\n /**\n * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n */\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n }\n}\n" }, "@openzeppelin/contracts/utils/Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n" }, "@openzeppelin/contracts/utils/Base64.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Base64.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides a set of functions to operate with Base64 strings.\n *\n * _Available since v4.5._\n */\nlibrary Base64 {\n /**\n * @dev Base64 Encoding/Decoding Table\n */\n string internal constant _TABLE = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\n /**\n * @dev Converts a `bytes` to its Bytes64 `string` representation.\n */\n function encode(bytes memory data) internal pure returns (string memory) {\n /**\n * Inspired by Brecht Devos (Brechtpd) implementation - MIT licence\n * https://github.com/Brechtpd/base64/blob/e78d9fd951e7b0977ddca77d92dc85183770daf4/base64.sol\n */\n if (data.length == 0) return \"\";\n\n // Loads the table into memory\n string memory table = _TABLE;\n\n // Encoding takes 3 bytes chunks of binary data from `bytes` data parameter\n // and split into 4 numbers of 6 bits.\n // The final Base64 length should be `bytes` data length multiplied by 4/3 rounded up\n // - `data.length + 2` -> Round up\n // - `/ 3` -> Number of 3-bytes chunks\n // - `4 *` -> 4 characters for each chunk\n string memory result = new string(4 * ((data.length + 2) / 3));\n\n /// @solidity memory-safe-assembly\n assembly {\n // Prepare the lookup table (skip the first \"length\" byte)\n let tablePtr := add(table, 1)\n\n // Prepare result pointer, jump over length\n let resultPtr := add(result, 32)\n\n // Run over the input, 3 bytes at a time\n for {\n let dataPtr := data\n let endPtr := add(data, mload(data))\n } lt(dataPtr, endPtr) {\n\n } {\n // Advance 3 bytes\n dataPtr := add(dataPtr, 3)\n let input := mload(dataPtr)\n\n // To write each character, shift the 3 bytes (18 bits) chunk\n // 4 times in blocks of 6 bits for each character (18, 12, 6, 0)\n // and apply logical AND with 0x3F which is the number of\n // the previous character in the ASCII table prior to the Base64 Table\n // The result is then added to the table to get the character to write,\n // and finally write it in the result pointer but with a left shift\n // of 256 (1 byte) - 8 (1 ASCII char) = 248 bits\n\n mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n\n mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n\n mstore8(resultPtr, mload(add(tablePtr, and(shr(6, input), 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n\n mstore8(resultPtr, mload(add(tablePtr, and(input, 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n }\n\n // When data `bytes` is not exactly 3 bytes long\n // it is padded with `=` characters at the end\n switch mod(mload(data), 3)\n case 1 {\n mstore8(sub(resultPtr, 1), 0x3d)\n mstore8(sub(resultPtr, 2), 0x3d)\n }\n case 2 {\n mstore8(sub(resultPtr, 1), 0x3d)\n }\n }\n\n return result;\n }\n}\n" }, "@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @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}\n" }, "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Metadata is IERC721 {\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC721/ERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC721.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"./extensions/IERC721Metadata.sol\";\nimport \"../../utils/Address.sol\";\nimport \"../../utils/Context.sol\";\nimport \"../../utils/Strings.sol\";\nimport \"../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including\n * the Metadata extension, but not including the Enumerable extension, which is available separately as\n * {ERC721Enumerable}.\n */\ncontract ERC721 is Context, ERC165, IERC721, IERC721Metadata {\n using Address for address;\n using Strings for uint256;\n\n // Token name\n string private _name;\n\n // Token symbol\n string private _symbol;\n\n // Mapping from token ID to owner address\n mapping(uint256 => address) private _owners;\n\n // Mapping owner address to token count\n mapping(address => uint256) private _balances;\n\n // Mapping from token ID to approved address\n mapping(uint256 => address) private _tokenApprovals;\n\n // Mapping from owner to operator approvals\n mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n /**\n * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.\n */\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return\n interfaceId == type(IERC721).interfaceId ||\n interfaceId == type(IERC721Metadata).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev See {IERC721-balanceOf}.\n */\n function balanceOf(address owner) public view virtual override returns (uint256) {\n require(owner != address(0), \"ERC721: address zero is not a valid owner\");\n return _balances[owner];\n }\n\n /**\n * @dev See {IERC721-ownerOf}.\n */\n function ownerOf(uint256 tokenId) public view virtual override returns (address) {\n address owner = _owners[tokenId];\n require(owner != address(0), \"ERC721: invalid token ID\");\n return owner;\n }\n\n /**\n * @dev See {IERC721Metadata-name}.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev See {IERC721Metadata-symbol}.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev See {IERC721Metadata-tokenURI}.\n */\n function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n _requireMinted(tokenId);\n\n string memory baseURI = _baseURI();\n return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : \"\";\n }\n\n /**\n * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n * by default, can be overridden in child contracts.\n */\n function _baseURI() internal view virtual returns (string memory) {\n return \"\";\n }\n\n /**\n * @dev See {IERC721-approve}.\n */\n function approve(address to, uint256 tokenId) public virtual override {\n address owner = ERC721.ownerOf(tokenId);\n require(to != owner, \"ERC721: approval to current owner\");\n\n require(\n _msgSender() == owner || isApprovedForAll(owner, _msgSender()),\n \"ERC721: approve caller is not token owner nor approved for all\"\n );\n\n _approve(to, tokenId);\n }\n\n /**\n * @dev See {IERC721-getApproved}.\n */\n function getApproved(uint256 tokenId) public view virtual override returns (address) {\n _requireMinted(tokenId);\n\n return _tokenApprovals[tokenId];\n }\n\n /**\n * @dev See {IERC721-setApprovalForAll}.\n */\n function setApprovalForAll(address operator, bool approved) public virtual override {\n _setApprovalForAll(_msgSender(), operator, approved);\n }\n\n /**\n * @dev See {IERC721-isApprovedForAll}.\n */\n function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n return _operatorApprovals[owner][operator];\n }\n\n /**\n * @dev See {IERC721-transferFrom}.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n //solhint-disable-next-line max-line-length\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721: caller is not token owner nor approved\");\n\n _transfer(from, to, tokenId);\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) public virtual override {\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721: caller is not token owner nor approved\");\n _safeTransfer(from, to, tokenId, data);\n }\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * `data` is additional data, it has no specified format and it is sent in call to `to`.\n *\n * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.\n * implement alternative mechanisms to perform token transfer, such as signature-based.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function _safeTransfer(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) internal virtual {\n _transfer(from, to, tokenId);\n require(_checkOnERC721Received(from, to, tokenId, data), \"ERC721: transfer to non ERC721Receiver implementer\");\n }\n\n /**\n * @dev Returns whether `tokenId` exists.\n *\n * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n *\n * Tokens start existing when they are minted (`_mint`),\n * and stop existing when they are burned (`_burn`).\n */\n function _exists(uint256 tokenId) internal view virtual returns (bool) {\n return _owners[tokenId] != address(0);\n }\n\n /**\n * @dev Returns whether `spender` is allowed to manage `tokenId`.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {\n address owner = ERC721.ownerOf(tokenId);\n return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);\n }\n\n /**\n * @dev Safely mints `tokenId` and transfers it to `to`.\n *\n * Requirements:\n *\n * - `tokenId` must not exist.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function _safeMint(address to, uint256 tokenId) internal virtual {\n _safeMint(to, tokenId, \"\");\n }\n\n /**\n * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is\n * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.\n */\n function _safeMint(\n address to,\n uint256 tokenId,\n bytes memory data\n ) internal virtual {\n _mint(to, tokenId);\n require(\n _checkOnERC721Received(address(0), to, tokenId, data),\n \"ERC721: transfer to non ERC721Receiver implementer\"\n );\n }\n\n /**\n * @dev Mints `tokenId` and transfers it to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible\n *\n * Requirements:\n *\n * - `tokenId` must not exist.\n * - `to` cannot be the zero address.\n *\n * Emits a {Transfer} event.\n */\n function _mint(address to, uint256 tokenId) internal virtual {\n require(to != address(0), \"ERC721: mint to the zero address\");\n require(!_exists(tokenId), \"ERC721: token already minted\");\n\n _beforeTokenTransfer(address(0), to, tokenId);\n\n _balances[to] += 1;\n _owners[tokenId] = to;\n\n emit Transfer(address(0), to, tokenId);\n\n _afterTokenTransfer(address(0), to, tokenId);\n }\n\n /**\n * @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n *\n * Emits a {Transfer} event.\n */\n function _burn(uint256 tokenId) internal virtual {\n address owner = ERC721.ownerOf(tokenId);\n\n _beforeTokenTransfer(owner, address(0), tokenId);\n\n // Clear approvals\n _approve(address(0), tokenId);\n\n _balances[owner] -= 1;\n delete _owners[tokenId];\n\n emit Transfer(owner, address(0), tokenId);\n\n _afterTokenTransfer(owner, address(0), tokenId);\n }\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n * As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n *\n * Emits a {Transfer} event.\n */\n function _transfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {\n require(ERC721.ownerOf(tokenId) == from, \"ERC721: transfer from incorrect owner\");\n require(to != address(0), \"ERC721: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, tokenId);\n\n // Clear approvals from the previous owner\n _approve(address(0), tokenId);\n\n _balances[from] -= 1;\n _balances[to] += 1;\n _owners[tokenId] = to;\n\n emit Transfer(from, to, tokenId);\n\n _afterTokenTransfer(from, to, tokenId);\n }\n\n /**\n * @dev Approve `to` to operate on `tokenId`\n *\n * Emits an {Approval} event.\n */\n function _approve(address to, uint256 tokenId) internal virtual {\n _tokenApprovals[tokenId] = to;\n emit Approval(ERC721.ownerOf(tokenId), to, tokenId);\n }\n\n /**\n * @dev Approve `operator` to operate on all of `owner` tokens\n *\n * Emits an {ApprovalForAll} event.\n */\n function _setApprovalForAll(\n address owner,\n address operator,\n bool approved\n ) internal virtual {\n require(owner != operator, \"ERC721: approve to caller\");\n _operatorApprovals[owner][operator] = approved;\n emit ApprovalForAll(owner, operator, approved);\n }\n\n /**\n * @dev Reverts if the `tokenId` has not been minted yet.\n */\n function _requireMinted(uint256 tokenId) internal view virtual {\n require(_exists(tokenId), \"ERC721: invalid token ID\");\n }\n\n /**\n * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.\n * The call is not executed if the target address is not a contract.\n *\n * @param from address representing the previous owner of the given token ID\n * @param to target address that will receive the tokens\n * @param tokenId uint256 ID of the token to be transferred\n * @param data bytes optional data to send along with the call\n * @return bool whether the call correctly returned the expected magic value\n */\n function _checkOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) private returns (bool) {\n if (to.isContract()) {\n try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {\n return retval == IERC721Receiver.onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert(\"ERC721: transfer to non ERC721Receiver implementer\");\n } else {\n /// @solidity memory-safe-assembly\n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n } else {\n return true;\n }\n }\n\n /**\n * @dev Hook that is called before any token transfer. This includes minting\n * and burning.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be\n * transferred to `to`.\n * - When `from` is zero, `tokenId` will be minted for `to`.\n * - When `to` is zero, ``from``'s `tokenId` will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {}\n}\n" }, "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\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 v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC20/ERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.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 * For a generic mechanism see {ERC20PresetMinterPauser}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\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 *\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n */\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n mapping(address => uint256) private _balances;\n\n mapping(address => mapping(address => 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 * The default value of {decimals} is 18. To select a different value for\n * {decimals} you should overload it.\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 override 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 override 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 value {ERC20} uses, unless this function is\n * 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 override returns (uint8) {\n return 18;\n }\n\n /**\n * @dev See {IERC20-totalSupply}.\n */\n function totalSupply() public view virtual override returns (uint256) {\n return _totalSupply;\n }\n\n /**\n * @dev See {IERC20-balanceOf}.\n */\n function balanceOf(address account) public view virtual override 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 `amount`.\n */\n function transfer(address to, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-allowance}.\n */\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /**\n * @dev See {IERC20-approve}.\n *\n * NOTE: If `amount` 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 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, amount);\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 `amount`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `amount`.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual override returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, amount);\n _transfer(from, to, amount);\n return true;\n }\n\n /**\n * @dev Atomically increases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, allowance(owner, spender) + addedValue);\n return true;\n }\n\n /**\n * @dev Atomically decreases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n * - `spender` must have allowance for the caller of at least\n * `subtractedValue`.\n */\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n address owner = _msgSender();\n uint256 currentAllowance = allowance(owner, spender);\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n unchecked {\n _approve(owner, spender, currentAllowance - subtractedValue);\n }\n\n return true;\n }\n\n /**\n * @dev Moves `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 * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n */\n function _transfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {\n require(from != address(0), \"ERC20: transfer from the zero address\");\n require(to != address(0), \"ERC20: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, amount);\n\n uint256 fromBalance = _balances[from];\n require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n unchecked {\n _balances[from] = fromBalance - amount;\n }\n _balances[to] += amount;\n\n emit Transfer(from, to, amount);\n\n _afterTokenTransfer(from, to, amount);\n }\n\n /** @dev Creates `amount` tokens and assigns them to `account`, increasing\n * the total supply.\n *\n * Emits a {Transfer} event with `from` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function _mint(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: mint to the zero address\");\n\n _beforeTokenTransfer(address(0), account, amount);\n\n _totalSupply += amount;\n _balances[account] += amount;\n emit Transfer(address(0), account, amount);\n\n _afterTokenTransfer(address(0), account, amount);\n }\n\n /**\n * @dev Destroys `amount` tokens from `account`, reducing the\n * total supply.\n *\n * Emits a {Transfer} event with `to` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n * - `account` must have at least `amount` tokens.\n */\n function _burn(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: burn from the zero address\");\n\n _beforeTokenTransfer(account, address(0), amount);\n\n uint256 accountBalance = _balances[account];\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n unchecked {\n _balances[account] = accountBalance - amount;\n }\n _totalSupply -= amount;\n\n emit Transfer(account, address(0), amount);\n\n _afterTokenTransfer(account, address(0), amount);\n }\n\n /**\n * @dev Sets `amount` 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 function _approve(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n\n /**\n * @dev Updates `owner` s allowance for `spender` based on spent `amount`.\n *\n * Does not update the allowance amount in case of infinite allowance.\n * Revert if not enough allowance is available.\n *\n * Might emit an {Approval} event.\n */\n function _spendAllowance(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n unchecked {\n _approve(owner, spender, currentAllowance - amount);\n }\n }\n }\n\n /**\n * @dev Hook that is called before any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * will be transferred to `to`.\n * - when `from` is zero, `amount` tokens will be minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * has been transferred to `to`.\n * - when `from` is zero, `amount` tokens have been minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n}\n" }, "@openzeppelin/contracts/interfaces/IERC2981.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n * _Available since v4.5._\n */\ninterface IERC2981 is IERC165 {\n /**\n * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.\n */\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n returns (address receiver, uint256 royaltyAmount);\n}\n" }, "@openzeppelin/contracts/interfaces/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (interfaces/IERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/introspection/IERC165.sol\";\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IStakingToken.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IStakingToken {\n event Staked(address indexed user, uint256 amount, uint256 term);\n\n event Withdrawn(address indexed user, uint256 amount, uint256 reward);\n\n function stake(uint256 amount, uint256 term) external;\n\n function withdraw() external;\n}\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IRankedMintingToken.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IRankedMintingToken {\n event RankClaimed(address indexed user, uint256 term, uint256 rank);\n\n event MintClaimed(address indexed user, uint256 rewardAmount);\n\n function claimRank(uint256 term) external;\n\n function claimMintReward() external;\n}\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IBurnableToken.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IBurnableToken {\n function burn(address user, uint256 amount) external;\n}\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IBurnRedeemable.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IBurnRedeemable {\n event Redeemed(\n address indexed user,\n address indexed xenContract,\n address indexed tokenContract,\n uint256 xenAmount,\n uint256 tokenAmount\n );\n\n function onTokenBurned(address user, uint256 amount) external;\n}\n" }, "@faircrypto/xen-crypto/contracts/XENCrypto.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"./Math.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"@openzeppelin/contracts/interfaces/IERC165.sol\";\nimport \"abdk-libraries-solidity/ABDKMath64x64.sol\";\nimport \"./interfaces/IStakingToken.sol\";\nimport \"./interfaces/IRankedMintingToken.sol\";\nimport \"./interfaces/IBurnableToken.sol\";\nimport \"./interfaces/IBurnRedeemable.sol\";\n\ncontract XENCrypto is Context, IRankedMintingToken, IStakingToken, IBurnableToken, ERC20(\"XEN Crypto\", \"XEN\") {\n using Math for uint256;\n using ABDKMath64x64 for int128;\n using ABDKMath64x64 for uint256;\n\n // INTERNAL TYPE TO DESCRIBE A XEN MINT INFO\n struct MintInfo {\n address user;\n uint256 term;\n uint256 maturityTs;\n uint256 rank;\n uint256 amplifier;\n uint256 eaaRate;\n }\n\n // INTERNAL TYPE TO DESCRIBE A XEN STAKE\n struct StakeInfo {\n uint256 term;\n uint256 maturityTs;\n uint256 amount;\n uint256 apy;\n }\n\n // PUBLIC CONSTANTS\n\n uint256 public constant SECONDS_IN_DAY = 3_600 * 24;\n uint256 public constant DAYS_IN_YEAR = 365;\n\n uint256 public constant GENESIS_RANK = 1;\n\n uint256 public constant MIN_TERM = 1 * SECONDS_IN_DAY - 1;\n uint256 public constant MAX_TERM_START = 100 * SECONDS_IN_DAY;\n uint256 public constant MAX_TERM_END = 1_000 * SECONDS_IN_DAY;\n uint256 public constant TERM_AMPLIFIER = 15;\n uint256 public constant TERM_AMPLIFIER_THRESHOLD = 5_000;\n uint256 public constant REWARD_AMPLIFIER_START = 3_000;\n uint256 public constant REWARD_AMPLIFIER_END = 1;\n uint256 public constant EAA_PM_START = 100;\n uint256 public constant EAA_PM_STEP = 1;\n uint256 public constant EAA_RANK_STEP = 100_000;\n uint256 public constant WITHDRAWAL_WINDOW_DAYS = 7;\n uint256 public constant MAX_PENALTY_PCT = 99;\n\n uint256 public constant XEN_MIN_STAKE = 0;\n\n uint256 public constant XEN_MIN_BURN = 0;\n\n uint256 public constant XEN_APY_START = 20;\n uint256 public constant XEN_APY_DAYS_STEP = 90;\n uint256 public constant XEN_APY_END = 2;\n\n string public constant AUTHORS = \"@MrJackLevin @lbelyaev faircrypto.org\";\n\n // PUBLIC STATE, READABLE VIA NAMESAKE GETTERS\n\n uint256 public immutable genesisTs;\n uint256 public globalRank = GENESIS_RANK;\n uint256 public activeMinters;\n uint256 public activeStakes;\n uint256 public totalXenStaked;\n // user address => XEN mint info\n mapping(address => MintInfo) public userMints;\n // user address => XEN stake info\n mapping(address => StakeInfo) public userStakes;\n // user address => XEN burn amount\n mapping(address => uint256) public userBurns;\n\n // CONSTRUCTOR\n constructor() {\n genesisTs = block.timestamp;\n }\n\n // PRIVATE METHODS\n\n /**\n * @dev calculates current MaxTerm based on Global Rank\n * (if Global Rank crosses over TERM_AMPLIFIER_THRESHOLD)\n */\n function _calculateMaxTerm() private view returns (uint256) {\n if (globalRank > TERM_AMPLIFIER_THRESHOLD) {\n uint256 delta = globalRank.fromUInt().log_2().mul(TERM_AMPLIFIER.fromUInt()).toUInt();\n uint256 newMax = MAX_TERM_START + delta * SECONDS_IN_DAY;\n return Math.min(newMax, MAX_TERM_END);\n }\n return MAX_TERM_START;\n }\n\n /**\n * @dev calculates Withdrawal Penalty depending on lateness\n */\n function _penalty(uint256 secsLate) private pure returns (uint256) {\n // =MIN(2^(daysLate+3)/window-1,99)\n uint256 daysLate = secsLate / SECONDS_IN_DAY;\n if (daysLate > WITHDRAWAL_WINDOW_DAYS - 1) return MAX_PENALTY_PCT;\n uint256 penalty = (uint256(1) << (daysLate + 3)) / WITHDRAWAL_WINDOW_DAYS - 1;\n return Math.min(penalty, MAX_PENALTY_PCT);\n }\n\n /**\n * @dev calculates net Mint Reward (adjusted for Penalty)\n */\n function _calculateMintReward(\n uint256 cRank,\n uint256 term,\n uint256 maturityTs,\n uint256 amplifier,\n uint256 eeaRate\n ) private view returns (uint256) {\n uint256 secsLate = block.timestamp - maturityTs;\n uint256 penalty = _penalty(secsLate);\n uint256 rankDelta = Math.max(globalRank - cRank, 2);\n uint256 EAA = (1_000 + eeaRate);\n uint256 reward = getGrossReward(rankDelta, amplifier, term, EAA);\n return (reward * (100 - penalty)) / 100;\n }\n\n /**\n * @dev cleans up User Mint storage (gets some Gas credit;))\n */\n function _cleanUpUserMint() private {\n delete userMints[_msgSender()];\n activeMinters--;\n }\n\n /**\n * @dev calculates XEN Stake Reward\n */\n function _calculateStakeReward(\n uint256 amount,\n uint256 term,\n uint256 maturityTs,\n uint256 apy\n ) private view returns (uint256) {\n if (block.timestamp > maturityTs) {\n uint256 rate = (apy * term * 1_000_000) / DAYS_IN_YEAR;\n return (amount * rate) / 100_000_000;\n }\n return 0;\n }\n\n /**\n * @dev calculates Reward Amplifier\n */\n function _calculateRewardAmplifier() private view returns (uint256) {\n uint256 amplifierDecrease = (block.timestamp - genesisTs) / SECONDS_IN_DAY;\n if (amplifierDecrease < REWARD_AMPLIFIER_START) {\n return Math.max(REWARD_AMPLIFIER_START - amplifierDecrease, REWARD_AMPLIFIER_END);\n } else {\n return REWARD_AMPLIFIER_END;\n }\n }\n\n /**\n * @dev calculates Early Adopter Amplifier Rate (in 1/000ths)\n * actual EAA is (1_000 + EAAR) / 1_000\n */\n function _calculateEAARate() private view returns (uint256) {\n uint256 decrease = (EAA_PM_STEP * globalRank) / EAA_RANK_STEP;\n if (decrease > EAA_PM_START) return 0;\n return EAA_PM_START - decrease;\n }\n\n /**\n * @dev calculates APY (in %)\n */\n function _calculateAPY() private view returns (uint256) {\n uint256 decrease = (block.timestamp - genesisTs) / (SECONDS_IN_DAY * XEN_APY_DAYS_STEP);\n if (XEN_APY_START - XEN_APY_END < decrease) return XEN_APY_END;\n return XEN_APY_START - decrease;\n }\n\n /**\n * @dev creates User Stake\n */\n function _createStake(uint256 amount, uint256 term) private {\n userStakes[_msgSender()] = StakeInfo({\n term: term,\n maturityTs: block.timestamp + term * SECONDS_IN_DAY,\n amount: amount,\n apy: _calculateAPY()\n });\n activeStakes++;\n totalXenStaked += amount;\n }\n\n // PUBLIC CONVENIENCE GETTERS\n\n /**\n * @dev calculates gross Mint Reward\n */\n function getGrossReward(\n uint256 rankDelta,\n uint256 amplifier,\n uint256 term,\n uint256 eaa\n ) public pure returns (uint256) {\n int128 log128 = rankDelta.fromUInt().log_2();\n int128 reward128 = log128.mul(amplifier.fromUInt()).mul(term.fromUInt()).mul(eaa.fromUInt());\n return reward128.div(uint256(1_000).fromUInt()).toUInt();\n }\n\n /**\n * @dev returns User Mint object associated with User account address\n */\n function getUserMint() external view returns (MintInfo memory) {\n return userMints[_msgSender()];\n }\n\n /**\n * @dev returns XEN Stake object associated with User account address\n */\n function getUserStake() external view returns (StakeInfo memory) {\n return userStakes[_msgSender()];\n }\n\n /**\n * @dev returns current AMP\n */\n function getCurrentAMP() external view returns (uint256) {\n return _calculateRewardAmplifier();\n }\n\n /**\n * @dev returns current EAA Rate\n */\n function getCurrentEAAR() external view returns (uint256) {\n return _calculateEAARate();\n }\n\n /**\n * @dev returns current APY\n */\n function getCurrentAPY() external view returns (uint256) {\n return _calculateAPY();\n }\n\n /**\n * @dev returns current MaxTerm\n */\n function getCurrentMaxTerm() external view returns (uint256) {\n return _calculateMaxTerm();\n }\n\n // PUBLIC STATE-CHANGING METHODS\n\n /**\n * @dev accepts User cRank claim provided all checks pass (incl. no current claim exists)\n */\n function claimRank(uint256 term) external {\n uint256 termSec = term * SECONDS_IN_DAY;\n require(termSec > MIN_TERM, \"CRank: Term less than min\");\n require(termSec < _calculateMaxTerm() + 1, \"CRank: Term more than current max term\");\n require(userMints[_msgSender()].rank == 0, \"CRank: Mint already in progress\");\n\n // create and store new MintInfo\n MintInfo memory mintInfo = MintInfo({\n user: _msgSender(),\n term: term,\n maturityTs: block.timestamp + termSec,\n rank: globalRank,\n amplifier: _calculateRewardAmplifier(),\n eaaRate: _calculateEAARate()\n });\n userMints[_msgSender()] = mintInfo;\n activeMinters++;\n emit RankClaimed(_msgSender(), term, globalRank++);\n }\n\n /**\n * @dev ends minting upon maturity (and within permitted Withdrawal Time Window), gets minted XEN\n */\n function claimMintReward() external {\n MintInfo memory mintInfo = userMints[_msgSender()];\n require(mintInfo.rank > 0, \"CRank: No mint exists\");\n require(block.timestamp > mintInfo.maturityTs, \"CRank: Mint maturity not reached\");\n\n // calculate reward and mint tokens\n uint256 rewardAmount = _calculateMintReward(\n mintInfo.rank,\n mintInfo.term,\n mintInfo.maturityTs,\n mintInfo.amplifier,\n mintInfo.eaaRate\n ) * 1 ether;\n _mint(_msgSender(), rewardAmount);\n\n _cleanUpUserMint();\n emit MintClaimed(_msgSender(), rewardAmount);\n }\n\n /**\n * @dev ends minting upon maturity (and within permitted Withdrawal time Window)\n * mints XEN coins and splits them between User and designated other address\n */\n function claimMintRewardAndShare(address other, uint256 pct) external {\n MintInfo memory mintInfo = userMints[_msgSender()];\n require(other != address(0), \"CRank: Cannot share with zero address\");\n require(pct > 0, \"CRank: Cannot share zero percent\");\n require(pct < 101, \"CRank: Cannot share 100+ percent\");\n require(mintInfo.rank > 0, \"CRank: No mint exists\");\n require(block.timestamp > mintInfo.maturityTs, \"CRank: Mint maturity not reached\");\n\n // calculate reward\n uint256 rewardAmount = _calculateMintReward(\n mintInfo.rank,\n mintInfo.term,\n mintInfo.maturityTs,\n mintInfo.amplifier,\n mintInfo.eaaRate\n ) * 1 ether;\n uint256 sharedReward = (rewardAmount * pct) / 100;\n uint256 ownReward = rewardAmount - sharedReward;\n\n // mint reward tokens\n _mint(_msgSender(), ownReward);\n _mint(other, sharedReward);\n\n _cleanUpUserMint();\n emit MintClaimed(_msgSender(), rewardAmount);\n }\n\n /**\n * @dev ends minting upon maturity (and within permitted Withdrawal time Window)\n * mints XEN coins and stakes 'pct' of it for 'term'\n */\n function claimMintRewardAndStake(uint256 pct, uint256 term) external {\n MintInfo memory mintInfo = userMints[_msgSender()];\n // require(pct > 0, \"CRank: Cannot share zero percent\");\n require(pct < 101, \"CRank: Cannot share >100 percent\");\n require(mintInfo.rank > 0, \"CRank: No mint exists\");\n require(block.timestamp > mintInfo.maturityTs, \"CRank: Mint maturity not reached\");\n\n // calculate reward\n uint256 rewardAmount = _calculateMintReward(\n mintInfo.rank,\n mintInfo.term,\n mintInfo.maturityTs,\n mintInfo.amplifier,\n mintInfo.eaaRate\n ) * 1 ether;\n uint256 stakedReward = (rewardAmount * pct) / 100;\n uint256 ownReward = rewardAmount - stakedReward;\n\n // mint reward tokens part\n _mint(_msgSender(), ownReward);\n _cleanUpUserMint();\n emit MintClaimed(_msgSender(), rewardAmount);\n\n // nothing to burn since we haven't minted this part yet\n // stake extra tokens part\n require(stakedReward > XEN_MIN_STAKE, \"XEN: Below min stake\");\n require(term * SECONDS_IN_DAY > MIN_TERM, \"XEN: Below min stake term\");\n require(term * SECONDS_IN_DAY < MAX_TERM_END + 1, \"XEN: Above max stake term\");\n require(userStakes[_msgSender()].amount == 0, \"XEN: stake exists\");\n\n _createStake(stakedReward, term);\n emit Staked(_msgSender(), stakedReward, term);\n }\n\n /**\n * @dev initiates XEN Stake in amount for a term (days)\n */\n function stake(uint256 amount, uint256 term) external {\n require(balanceOf(_msgSender()) >= amount, \"XEN: not enough balance\");\n require(amount > XEN_MIN_STAKE, \"XEN: Below min stake\");\n require(term * SECONDS_IN_DAY > MIN_TERM, \"XEN: Below min stake term\");\n require(term * SECONDS_IN_DAY < MAX_TERM_END + 1, \"XEN: Above max stake term\");\n require(userStakes[_msgSender()].amount == 0, \"XEN: stake exists\");\n\n // burn staked XEN\n _burn(_msgSender(), amount);\n // create XEN Stake\n _createStake(amount, term);\n emit Staked(_msgSender(), amount, term);\n }\n\n /**\n * @dev ends XEN Stake and gets reward if the Stake is mature\n */\n function withdraw() external {\n StakeInfo memory userStake = userStakes[_msgSender()];\n require(userStake.amount > 0, \"XEN: no stake exists\");\n\n uint256 xenReward = _calculateStakeReward(\n userStake.amount,\n userStake.term,\n userStake.maturityTs,\n userStake.apy\n );\n activeStakes--;\n totalXenStaked -= userStake.amount;\n\n // mint staked XEN (+ reward)\n _mint(_msgSender(), userStake.amount + xenReward);\n emit Withdrawn(_msgSender(), userStake.amount, xenReward);\n delete userStakes[_msgSender()];\n }\n\n /**\n * @dev burns XEN tokens and creates Proof-Of-Burn record to be used by connected DeFi services\n */\n function burn(address user, uint256 amount) public {\n require(amount > XEN_MIN_BURN, \"Burn: Below min limit\");\n require(\n IERC165(_msgSender()).supportsInterface(type(IBurnRedeemable).interfaceId),\n \"Burn: not a supported contract\"\n );\n\n _spendAllowance(user, _msgSender(), amount);\n _burn(user, amount);\n userBurns[user] += amount;\n IBurnRedeemable(_msgSender()).onTokenBurned(user, amount);\n }\n}\n" }, "@faircrypto/xen-crypto/contracts/Math.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"abdk-libraries-solidity/ABDKMath64x64.sol\";\n\nlibrary Math {\n\n function min(uint256 a, uint256 b) external pure returns (uint256) {\n if (a > b) return b;\n return a;\n }\n\n function max(uint256 a, uint256 b) external pure returns (uint256) {\n if (a > b) return a;\n return b;\n }\n\n function logX64(uint256 x) external pure returns (int128) {\n return ABDKMath64x64.log_2(ABDKMath64x64.fromUInt(x));\n }\n}\n" } }, "settings": { "remappings": [], "optimizer": { "enabled": true, "runs": 20 }, "evmVersion": "london", "libraries": { "/contracts/libs/MintInfo.sol": { "MintInfo": "0xC739d01beb34E380461BBa9ef8ed1a44874382Be" }, "/contracts/libs/Metadata.sol": { "Metadata": "0x1Ac17FFB8456525BfF46870bba7Ed8772ba063a5" } }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } } }}
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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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// 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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{{ "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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{{ "language": "Solidity", "sources": { "contracts/XENWallet.sol": { "content": "// SPDX-License-Identifier: MIT\r\npragma solidity 0.8.10;\r\n\r\nimport \"@openzeppelin/contracts/proxy/Clones.sol\";\r\nimport \"@openzeppelin/contracts/proxy/utils/Initializable.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\r\nimport \"./interfaces/IXENCrypto.sol\";\r\n\r\ncontract XENWallet is Initializable {\r\n IXENCrypto public XENCrypto;\r\n address public manager;\r\n\r\n function initialize(address xenAddress, address managerAddress)\r\n public\r\n initializer\r\n {\r\n XENCrypto = IXENCrypto(xenAddress);\r\n manager = managerAddress;\r\n }\r\n\r\n function getUserMint() external view returns (IXENCrypto.MintInfo memory) {\r\n return XENCrypto.getUserMint();\r\n }\r\n\r\n // Claim ranks\r\n function claimRank(uint256 _term) public {\r\n require(msg.sender == manager, \"No access\");\r\n\r\n XENCrypto.claimRank(_term);\r\n }\r\n\r\n // Claim mint reward\r\n function claimAndTransferMintReward(address target)\r\n external\r\n returns (uint256 reward)\r\n {\r\n require(msg.sender == manager, \"No access\");\r\n\r\n uint256 balanceBefore = XENCrypto.balanceOf(target);\r\n XENCrypto.claimMintRewardAndShare(target, 100);\r\n reward = XENCrypto.balanceOf(target) - balanceBefore;\r\n }\r\n}\r\n" }, "contracts/interfaces/IXENCrypto.sol": { "content": "// SPDX-License-Identifier: MIT\r\npragma solidity 0.8.10;\r\n\r\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\r\n\r\nabstract contract IXENCrypto is IERC20 {\r\n struct MintInfo {\r\n address user;\r\n uint256 term;\r\n uint256 maturityTs;\r\n uint256 rank;\r\n uint256 amplifier;\r\n uint256 eaaRate;\r\n }\r\n\r\n mapping(address => MintInfo) public userMints;\r\n\r\n function claimRank(uint256 term) external virtual;\r\n\r\n function claimMintReward() external virtual;\r\n\r\n function claimMintRewardAndShare(address other, uint256 pct)\r\n external\r\n virtual;\r\n\r\n function getUserMint() external view virtual returns (MintInfo memory);\r\n}\r\n" }, "@openzeppelin/contracts/proxy/Clones.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (proxy/Clones.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for\n * deploying minimal proxy contracts, also known as \"clones\".\n *\n * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies\n * > a minimal bytecode implementation that delegates all calls to a known, fixed address.\n *\n * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`\n * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the\n * deterministic method.\n *\n * _Available since v3.4._\n */\nlibrary Clones {\n /**\n * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.\n *\n * This function uses the create opcode, which should never revert.\n */\n function clone(address implementation) internal returns (address instance) {\n /// @solidity memory-safe-assembly\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)\n mstore(add(ptr, 0x14), shl(0x60, implementation))\n mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)\n instance := create(0, ptr, 0x37)\n }\n require(instance != address(0), \"ERC1167: create failed\");\n }\n\n /**\n * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.\n *\n * This function uses the create2 opcode and a `salt` to deterministically deploy\n * the clone. Using the same `implementation` and `salt` multiple time will revert, since\n * the clones cannot be deployed twice at the same address.\n */\n function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {\n /// @solidity memory-safe-assembly\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)\n mstore(add(ptr, 0x14), shl(0x60, implementation))\n mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)\n instance := create2(0, ptr, 0x37, salt)\n }\n require(instance != address(0), \"ERC1167: create2 failed\");\n }\n\n /**\n * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.\n */\n function predictDeterministicAddress(\n address implementation,\n bytes32 salt,\n address deployer\n ) internal pure returns (address predicted) {\n /// @solidity memory-safe-assembly\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)\n mstore(add(ptr, 0x14), shl(0x60, implementation))\n mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)\n mstore(add(ptr, 0x38), shl(0x60, deployer))\n mstore(add(ptr, 0x4c), salt)\n mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))\n predicted := keccak256(add(ptr, 0x37), 0x55)\n }\n }\n\n /**\n * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.\n */\n function predictDeterministicAddress(address implementation, bytes32 salt)\n internal\n view\n returns (address predicted)\n {\n return predictDeterministicAddress(implementation, salt, address(this));\n }\n}\n" }, "@openzeppelin/contracts/proxy/utils/Initializable.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/Address.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n */\n uint8 private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint8 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.\n */\n modifier initializer() {\n bool isTopLevelCall = !_initializing;\n require(\n (isTopLevelCall && _initialized < 1) || (!Address.isContract(address(this)) && _initialized == 1),\n \"Initializable: contract is already initialized\"\n );\n _initialized = 1;\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original\n * initialization step. This is essential to configure modules that are added through upgrades and that require\n * initialization.\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 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 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" }, "@openzeppelin/contracts/token/ERC20/IERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n" }, "@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @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}\n" } }, "settings": { "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} } }}
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// SPDX-License-Identifier: LGPL-3.0-only pragma solidity >=0.7.0 <0.9.0; /// @title IProxy - Helper interface to access masterCopy of the Proxy on-chain /// @author Richard Meissner - <richard@gnosis.io> interface IProxy { function masterCopy() external view returns (address); } /// @title GnosisSafeProxy - Generic proxy contract allows to execute all transactions applying the code of a master contract. /// @author Stefan George - <stefan@gnosis.io> /// @author Richard Meissner - <richard@gnosis.io> contract GnosisSafeProxy { // singleton always needs to be first declared variable, to ensure that it is at the same location in the contracts to which calls are delegated. // To reduce deployment costs this variable is internal and needs to be retrieved via `getStorageAt` address internal singleton; /// @dev Constructor function sets address of singleton contract. /// @param _singleton Singleton address. constructor(address _singleton) { require(_singleton != address(0), "Invalid singleton address provided"); singleton = _singleton; } /// @dev Fallback function forwards all transactions and returns all received return data. fallback() external payable { // solhint-disable-next-line no-inline-assembly assembly { let _singleton := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff) // 0xa619486e == keccak("masterCopy()"). The value is right padded to 32-bytes with 0s if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) { mstore(0, _singleton) return(0, 0x20) } calldatacopy(0, 0, calldatasize()) let success := delegatecall(gas(), _singleton, 0, calldatasize(), 0, 0) returndatacopy(0, 0, returndatasize()) if eq(success, 0) { revert(0, returndatasize()) } return(0, returndatasize()) } } } /// @title Proxy Factory - Allows to create new proxy contact and execute a message call to the new proxy within one transaction. /// @author Stefan George - <stefan@gnosis.pm> contract GnosisSafeProxyFactory { event ProxyCreation(GnosisSafeProxy proxy, address singleton); /// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction. /// @param singleton Address of singleton contract. /// @param data Payload for message call sent to new proxy contract. function createProxy(address singleton, bytes memory data) public returns (GnosisSafeProxy proxy) { proxy = new GnosisSafeProxy(singleton); if (data.length > 0) // solhint-disable-next-line no-inline-assembly assembly { if eq(call(gas(), proxy, 0, add(data, 0x20), mload(data), 0, 0), 0) { revert(0, 0) } } emit ProxyCreation(proxy, singleton); } /// @dev Allows to retrieve the runtime code of a deployed Proxy. This can be used to check that the expected Proxy was deployed. function proxyRuntimeCode() public pure returns (bytes memory) { return type(GnosisSafeProxy).runtimeCode; } /// @dev Allows to retrieve the creation code used for the Proxy deployment. With this it is easily possible to calculate predicted address. function proxyCreationCode() public pure returns (bytes memory) { return type(GnosisSafeProxy).creationCode; } /// @dev Allows to create new proxy contact using CREATE2 but it doesn't run the initializer. /// This method is only meant as an utility to be called from other methods /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. function deployProxyWithNonce( address _singleton, bytes memory initializer, uint256 saltNonce ) internal returns (GnosisSafeProxy proxy) { // If the initializer changes the proxy address should change too. Hashing the initializer data is cheaper than just concatinating it bytes32 salt = keccak256(abi.encodePacked(keccak256(initializer), saltNonce)); bytes memory deploymentData = abi.encodePacked(type(GnosisSafeProxy).creationCode, uint256(uint160(_singleton))); // solhint-disable-next-line no-inline-assembly assembly { proxy := create2(0x0, add(0x20, deploymentData), mload(deploymentData), salt) } require(address(proxy) != address(0), "Create2 call failed"); } /// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction. /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. function createProxyWithNonce( address _singleton, bytes memory initializer, uint256 saltNonce ) public returns (GnosisSafeProxy proxy) { proxy = deployProxyWithNonce(_singleton, initializer, saltNonce); if (initializer.length > 0) // solhint-disable-next-line no-inline-assembly assembly { if eq(call(gas(), proxy, 0, add(initializer, 0x20), mload(initializer), 0, 0), 0) { revert(0, 0) } } emit ProxyCreation(proxy, _singleton); } /// @dev Allows to create new proxy contact, execute a message call to the new proxy and call a specified callback within one transaction /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. /// @param callback Callback that will be invoced after the new proxy contract has been successfully deployed and initialized. function createProxyWithCallback( address _singleton, bytes memory initializer, uint256 saltNonce, IProxyCreationCallback callback ) public returns (GnosisSafeProxy proxy) { uint256 saltNonceWithCallback = uint256(keccak256(abi.encodePacked(saltNonce, callback))); proxy = createProxyWithNonce(_singleton, initializer, saltNonceWithCallback); if (address(callback) != address(0)) callback.proxyCreated(proxy, _singleton, initializer, saltNonce); } /// @dev Allows to get the address for a new proxy contact created via `createProxyWithNonce` /// This method is only meant for address calculation purpose when you use an initializer that would revert, /// therefore the response is returned with a revert. When calling this method set `from` to the address of the proxy factory. /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. function calculateCreateProxyWithNonceAddress( address _singleton, bytes calldata initializer, uint256 saltNonce ) external returns (GnosisSafeProxy proxy) { proxy = deployProxyWithNonce(_singleton, initializer, saltNonce); revert(string(abi.encodePacked(proxy))); } } interface IProxyCreationCallback { function proxyCreated( GnosisSafeProxy proxy, address _singleton, bytes calldata initializer, uint256 saltNonce ) external; }
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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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// 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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{{ "language": "Solidity", "sources": { "contracts/Forwarder.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.10;\nimport '@openzeppelin/contracts/token/ERC1155/IERC1155.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';\nimport '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol';\nimport './ERC20Interface.sol';\nimport './TransferHelper.sol';\nimport './IForwarder.sol';\n\n/**\n * Contract that will forward any incoming Ether to the creator of the contract\n *\n */\ncontract Forwarder is IERC721Receiver, ERC1155Receiver, IForwarder {\n // Address to which any funds sent to this contract will be forwarded\n address public parentAddress;\n bool public autoFlush721 = true;\n bool public autoFlush1155 = true;\n\n event ForwarderDeposited(address from, uint256 value, bytes data);\n\n /**\n * Initialize the contract, and sets the destination address to that of the creator\n */\n function init(\n address _parentAddress,\n bool _autoFlush721,\n bool _autoFlush1155\n ) external onlyUninitialized {\n parentAddress = _parentAddress;\n uint256 value = address(this).balance;\n\n // set whether we want to automatically flush erc721/erc1155 tokens or not\n autoFlush721 = _autoFlush721;\n autoFlush1155 = _autoFlush1155;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n\n // NOTE: since we are forwarding on initialization,\n // we don't have the context of the original sender.\n // We still emit an event about the forwarding but set\n // the sender to the forwarder itself\n emit ForwarderDeposited(address(this), value, msg.data);\n }\n\n /**\n * Modifier that will execute internal code block only if the sender is the parent address\n */\n modifier onlyParent {\n require(msg.sender == parentAddress, 'Only Parent');\n _;\n }\n\n /**\n * Modifier that will execute internal code block only if the contract has not been initialized yet\n */\n modifier onlyUninitialized {\n require(parentAddress == address(0x0), 'Already initialized');\n _;\n }\n\n /**\n * Default function; Gets called when data is sent but does not match any other function\n */\n fallback() external payable {\n flush();\n }\n\n /**\n * Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address\n */\n receive() external payable {\n flush();\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush721(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush721 = autoFlush;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush1155(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush1155 = autoFlush;\n }\n\n /**\n * ERC721 standard callback function for when a ERC721 is transfered. The forwarder will send the nft\n * to the base wallet once the nft contract invokes this method after transfering the nft.\n *\n * @param _operator The address which called `safeTransferFrom` function\n * @param _from The address of the sender\n * @param _tokenId The token id of the nft\n * @param data Additional data with no specified format, sent in call to `_to`\n */\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes memory data\n ) external virtual override returns (bytes4) {\n if (autoFlush721) {\n IERC721 instance = IERC721(msg.sender);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The caller does not support the ERC721 interface'\n );\n // this won't work for ERC721 re-entrancy\n instance.safeTransferFrom(address(this), parentAddress, _tokenId, data);\n }\n\n return this.onERC721Received.selector;\n }\n\n function callFromParent(\n address target,\n uint256 value,\n bytes calldata data\n ) external onlyParent returns (bytes memory) {\n (bool success, bytes memory returnedData) = target.call{ value: value }(\n data\n );\n require(success, 'Parent call execution failed');\n\n return returnedData;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155Received(\n address _operator,\n address _from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeTransferFrom(address(this), parentAddress, id, value, data);\n }\n\n return this.onERC1155Received.selector;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155BatchReceived(\n address _operator,\n address _from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeBatchTransferFrom(\n address(this),\n parentAddress,\n ids,\n values,\n data\n );\n }\n\n return this.onERC1155BatchReceived.selector;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushTokens(address tokenContractAddress)\n external\n virtual\n override\n onlyParent\n {\n ERC20Interface instance = ERC20Interface(tokenContractAddress);\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress);\n if (forwarderBalance == 0) {\n return;\n }\n\n TransferHelper.safeTransfer(\n tokenContractAddress,\n parentAddress,\n forwarderBalance\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC721 instance = IERC721(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The tokenContractAddress does not support the ERC721 interface'\n );\n\n address ownerAddress = instance.ownerOf(tokenId);\n instance.transferFrom(ownerAddress, parentAddress, tokenId);\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress, tokenId);\n\n instance.safeTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenId,\n forwarderBalance,\n ''\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external virtual override onlyParent {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256[] memory amounts = new uint256[](tokenIds.length);\n for (uint256 i = 0; i < tokenIds.length; i++) {\n amounts[i] = instance.balanceOf(forwarderAddress, tokenIds[i]);\n }\n\n instance.safeBatchTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenIds,\n amounts,\n ''\n );\n }\n\n /**\n * Flush the entire balance of the contract to the parent address.\n */\n function flush() public {\n uint256 value = address(this).balance;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n emit ForwarderDeposited(msg.sender, value, msg.data);\n }\n\n /**\n * @inheritdoc IERC165\n */\n function supportsInterface(bytes4 interfaceId)\n public\n virtual\n override(ERC1155Receiver, IERC165)\n view\n returns (bool)\n {\n return\n interfaceId == type(IForwarder).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n}\n" }, "@openzeppelin/contracts/token/ERC1155/IERC1155.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155 is IERC165 {\n /**\n * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n */\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /**\n * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n */\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /**\n * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n */\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /**\n * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n *\n * If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n */\n event URI(string value, uint256 indexed id);\n\n /**\n * @dev Returns the amount of tokens of token type `id` owned by `account`.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /**\n * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n *\n * Emits an {ApprovalForAll} event.\n *\n * Requirements:\n *\n * - `operator` cannot be the caller.\n */\n function setApprovalForAll(address operator, bool approved) external;\n\n /**\n * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155Receiver.sol\";\nimport \"../../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\nabstract contract ERC1155Receiver is ERC165, IERC1155Receiver {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);\n }\n}\n" }, "contracts/ERC20Interface.sol": { "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity 0.8.10;\n\n/**\n * Contract that exposes the needed erc20 token functions\n */\n\nabstract contract ERC20Interface {\n // Send _value amount of tokens to address _to\n function transfer(address _to, uint256 _value)\n public\n virtual\n returns (bool success);\n\n // Get the account balance of another account with address _owner\n function balanceOf(address _owner)\n public\n virtual\n view\n returns (uint256 balance);\n}\n" }, "contracts/TransferHelper.sol": { "content": "// SPDX-License-Identifier: GPL-3.0-or-later\n// source: https://github.com/Uniswap/solidity-lib/blob/master/contracts/libraries/TransferHelper.sol\npragma solidity 0.8.10;\n\nimport '@openzeppelin/contracts/utils/Address.sol';\n\n// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false\nlibrary TransferHelper {\n function safeTransfer(\n address token,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transfer(address,uint256)')));\n (bool success, bytes memory data) = token.call(\n abi.encodeWithSelector(0xa9059cbb, to, value)\n );\n require(\n success && (data.length == 0 || abi.decode(data, (bool))),\n 'TransferHelper::safeTransfer: transfer failed'\n );\n }\n\n function safeTransferFrom(\n address token,\n address from,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));\n (bool success, bytes memory returndata) = token.call(\n abi.encodeWithSelector(0x23b872dd, from, to, value)\n );\n Address.verifyCallResult(\n success,\n returndata,\n 'TransferHelper::transferFrom: transferFrom failed'\n );\n }\n}\n" }, "contracts/IForwarder.sol": { "content": "pragma solidity ^0.8.0;\n\nimport '@openzeppelin/contracts/utils/introspection/IERC165.sol';\n\ninterface IForwarder is IERC165 {\n /**\n * Sets the autoflush721 parameter.\n *\n * @param autoFlush whether to autoflush erc721 tokens\n */\n function setAutoFlush721(bool autoFlush) external;\n\n /**\n * Sets the autoflush1155 parameter.\n *\n * @param autoFlush whether to autoflush erc1155 tokens\n */\n function setAutoFlush1155(bool autoFlush) external;\n\n /**\n * Execute a token transfer of the full balance from the forwarder token to the parent address\n *\n * @param tokenContractAddress the address of the erc20 token contract\n */\n function flushTokens(address tokenContractAddress) external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address\n *\n * @param tokenContractAddress the address of the ERC721 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a batch nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenIds The token ids of the nfts\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external;\n}\n" }, "@openzeppelin/contracts/utils/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\ninterface IERC1155Receiver is IERC165 {\n /**\n @dev Handles the receipt of a single ERC1155 token type. This function is\n called at the end of a `safeTransferFrom` after the balance has been updated.\n To accept the transfer, this must return\n `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n (i.e. 0xf23a6e61, or its own function selector).\n @param operator The address which initiated the transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param id The ID of the token being transferred\n @param value The amount of tokens being transferred\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n */\n function onERC1155Received(\n address operator,\n address from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external returns (bytes4);\n\n /**\n @dev Handles the receipt of a multiple ERC1155 token types. This function\n is called at the end of a `safeBatchTransferFrom` after the balances have\n been updated. To accept the transfer(s), this must return\n `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n (i.e. 0xbc197c81, or its own function selector).\n @param operator The address which initiated the batch transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param ids An array containing ids of each token being transferred (order and length must match values array)\n @param values An array containing amounts of each token being transferred (order and length must match ids array)\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n */\n function onERC1155BatchReceived(\n address operator,\n address from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/utils/introspection/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n" }, "@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize, which returns 0 for contracts in\n // construction, since the code is only stored at the end of the\n // constructor execution.\n\n uint256 size;\n assembly {\n size := extcodesize(account)\n }\n return size > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n" } }, "settings": { "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} } }}
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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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{"Address.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev The ETH balance of the account is not enough to perform the operation.\n */\n error AddressInsufficientBalance(address account);\n\n /**\n * @dev There\u0027s no code at `target` (it is not a contract).\n */\n error AddressEmptyCode(address target);\n\n /**\n * @dev A call to an address target failed. The target may have reverted.\n */\n error FailedInnerCall();\n\n /**\n * @dev Replacement for Solidity\u0027s `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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n if (address(this).balance \u003c amount) {\n revert AddressInsufficientBalance(address(this));\n }\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n if (!success) {\n revert FailedInnerCall();\n }\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 or custom error, it is bubbled\n * up by this function (like regular Solidity function calls). However, if\n * the call reverted with no returned reason, this function reverts with a\n * {FailedInnerCall} error.\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 function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0);\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 function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n if (address(this).balance \u003c value) {\n revert AddressInsufficientBalance(address(this));\n }\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target\n * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an\n * unsuccessful call.\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata\n ) internal view returns (bytes memory) {\n if (!success) {\n _revert(returndata);\n } else {\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 if (returndata.length == 0 \u0026\u0026 target.code.length == 0) {\n revert AddressEmptyCode(target);\n }\n return returndata;\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and reverts if it wasn\u0027t, either by bubbling the\n * revert reason or with a default {FailedInnerCall} error.\n */\n function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {\n if (!success) {\n _revert(returndata);\n } else {\n return returndata;\n }\n }\n\n /**\n * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.\n */\n function _revert(bytes memory returndata) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length \u003e 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 FailedInnerCall();\n }\n }\n}\n"},"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"},"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 ERC-20 standard as defined in the ERC.\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\u0027s 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\u0027s 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\u0027s 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\u0027s\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"},"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 ERC-20 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"},"IUniswapV2Factory.sol":{"content":"// SPDX-License-Identifier: MIT\n\npragma solidity \u003e=0.5.0;\n\ninterface IUniswapV2Factory {\n event PairCreated(address indexed token0, address indexed token1, address pair, uint);\n\n function feeTo() external view returns (address);\n function feeToSetter() external view returns (address);\n\n function getPair(address tokenA, address tokenB) external view returns (address pair);\n function allPairs(uint) external view returns (address pair);\n function allPairsLength() external view returns (uint);\n\n function createPair(address tokenA, address tokenB) external returns (address pair);\n\n function setFeeTo(address) external;\n function setFeeToSetter(address) external;\n}\n"},"IUniswapV2Pair.sol":{"content":"// SPDX-License-Identifier: MIT\n\npragma solidity \u003e=0.5.0;\n\ninterface IUniswapV2Pair {\n event Approval(address indexed owner, address indexed spender, uint value);\n event Transfer(address indexed from, address indexed to, uint value);\n\n function name() external pure returns (string memory);\n function symbol() external pure returns (string memory);\n function decimals() external pure returns (uint8);\n function totalSupply() external view returns (uint);\n function balanceOf(address owner) external view returns (uint);\n function allowance(address owner, address spender) external view returns (uint);\n\n function approve(address spender, uint value) external returns (bool);\n function transfer(address to, uint value) external returns (bool);\n function transferFrom(address from, address to, uint value) external returns (bool);\n\n function DOMAIN_SEPARATOR() external view returns (bytes32);\n function PERMIT_TYPEHASH() external pure returns (bytes32);\n function nonces(address owner) external view returns (uint);\n\n function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;\n\n event Mint(address indexed sender, uint amount0, uint amount1);\n event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);\n event Swap(\n address indexed sender,\n uint amount0In,\n uint amount1In,\n uint amount0Out,\n uint amount1Out,\n address indexed to\n );\n event Sync(uint112 reserve0, uint112 reserve1);\n\n function MINIMUM_LIQUIDITY() external pure returns (uint);\n function factory() external view returns (address);\n function token0() external view returns (address);\n function token1() external view returns (address);\n function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);\n function price0CumulativeLast() external view returns (uint);\n function price1CumulativeLast() external view returns (uint);\n function kLast() external view returns (uint);\n\n function mint(address to) external returns (uint liquidity);\n function burn(address to) external returns (uint amount0, uint amount1);\n function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;\n function skim(address to) external;\n function sync() external;\n\n function initialize(address, address) external;\n}\n"},"IUniswapV2Router01.sol":{"content":"// SPDX-License-Identifier: MIT\n\npragma solidity \u003e=0.6.2;\n\ninterface IUniswapV2Router01 {\n function factory() external pure returns (address);\n function WETH() external pure returns (address);\n\n function addLiquidity(\n address tokenA,\n address tokenB,\n uint amountADesired,\n uint amountBDesired,\n uint amountAMin,\n uint amountBMin,\n address to,\n uint deadline\n ) external returns (uint amountA, uint amountB, uint liquidity);\n function addLiquidityETH(\n address token,\n uint amountTokenDesired,\n uint amountTokenMin,\n uint amountETHMin,\n address to,\n uint deadline\n ) external payable returns (uint amountToken, uint amountETH, uint liquidity);\n function removeLiquidity(\n address tokenA,\n address tokenB,\n uint liquidity,\n uint amountAMin,\n uint amountBMin,\n address to,\n uint deadline\n ) external returns (uint amountA, uint amountB);\n function removeLiquidityETH(\n address token,\n uint liquidity,\n uint amountTokenMin,\n uint amountETHMin,\n address to,\n uint deadline\n ) external returns (uint amountToken, uint amountETH);\n function removeLiquidityWithPermit(\n address tokenA,\n address tokenB,\n uint liquidity,\n uint amountAMin,\n uint amountBMin,\n address to,\n uint deadline,\n bool approveMax, uint8 v, bytes32 r, bytes32 s\n ) external returns (uint amountA, uint amountB);\n function removeLiquidityETHWithPermit(\n address token,\n uint liquidity,\n uint amountTokenMin,\n uint amountETHMin,\n address to,\n uint deadline,\n bool approveMax, uint8 v, bytes32 r, bytes32 s\n ) external returns (uint amountToken, uint amountETH);\n function swapExactTokensForTokens(\n uint amountIn,\n uint amountOutMin,\n address[] calldata path,\n address to,\n uint deadline\n ) external returns (uint[] memory amounts);\n function swapTokensForExactTokens(\n uint amountOut,\n uint amountInMax,\n address[] calldata path,\n address to,\n uint deadline\n ) external returns (uint[] memory amounts);\n function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)\n external\n payable\n returns (uint[] memory amounts);\n function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)\n external\n returns (uint[] memory amounts);\n function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)\n external\n returns (uint[] memory amounts);\n function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)\n external\n payable\n returns (uint[] memory amounts);\n\n function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);\n function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);\n function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);\n function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);\n function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);\n}\n"},"IUniswapV2Router02.sol":{"content":"// SPDX-License-Identifier: MIT\n\npragma solidity \u003e=0.6.2;\n\nimport \u0027./IUniswapV2Router01.sol\u0027;\n\ninterface IUniswapV2Router02 is IUniswapV2Router01 {\n function removeLiquidityETHSupportingFeeOnTransferTokens(\n address token,\n uint liquidity,\n uint amountTokenMin,\n uint amountETHMin,\n address to,\n uint deadline\n ) external returns (uint amountETH);\n function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(\n address token,\n uint liquidity,\n uint amountTokenMin,\n uint amountETHMin,\n address to,\n uint deadline,\n bool approveMax, uint8 v, bytes32 r, bytes32 s\n ) external returns (uint amountETH);\n\n function swapExactTokensForTokensSupportingFeeOnTransferTokens(\n uint amountIn,\n uint amountOutMin,\n address[] calldata path,\n address to,\n uint deadline\n ) external;\n function swapExactETHForTokensSupportingFeeOnTransferTokens(\n uint amountOutMin,\n address[] calldata path,\n address to,\n uint deadline\n ) external payable;\n function swapExactTokensForETHSupportingFeeOnTransferTokens(\n uint amountIn,\n uint amountOutMin,\n address[] calldata path,\n address to,\n uint deadline\n ) external;\n}\n"},"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 success flag (no overflow).\n */\n function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n unchecked {\n uint256 c = a + b;\n if (c \u003c a) return (false, 0);\n return (true, c);\n }\n }\n\n /**\n * @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow).\n */\n function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n unchecked {\n if (b \u003e a) return (false, 0);\n return (true, a - b);\n }\n }\n\n /**\n * @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow).\n */\n function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n unchecked {\n // Gas optimization: this is cheaper than requiring \u0027a\u0027 not being zero, but the\n // benefit is lost if \u0027b\u0027 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 success flag (no division by zero).\n */\n function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\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 success flag (no division by zero).\n */\n function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\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 \u003e 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 \u003c 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 \u0026 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 // The following calculation ensures accurate ceiling division without overflow.\n // Since a is non-zero, (a - 1) / b will not overflow.\n // The largest possible result occurs when (a - 1) / b is type(uint256).max,\n // but the largest value we can obtain is type(uint256).max - 1, which happens\n // when a = type(uint256).max and b = 1.\n unchecked {\n return a == 0 ? 0 : (a - 1) / b + 1;\n }\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 \u003c= 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 \u003e= 1. See https://cs.stackexchange.com/q/138556/92363.\n\n uint256 twos = denominator \u0026 (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\u0027s 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\u0027t 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) \u0026\u0026 mulmod(x, y, denominator) \u003e 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.\u0027s \"Hacker\u0027s 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) \u003c= a \u003c 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) \u003c= a \u003c 2**(log2(a) + 1)`\n // → `sqrt(2**k) \u003c= sqrt(a) \u003c sqrt(2**(k+1))`\n // → `2**(k/2) \u003c= sqrt(a) \u003c 2**((k+1)/2) \u003c= 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 \u003c\u003c (log2(a) \u003e\u003e 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\u0027s 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) \u003e\u003e 1;\n result = (result + a / result) \u003e\u003e 1;\n result = (result + a / result) \u003e\u003e 1;\n result = (result + a / result) \u003e\u003e 1;\n result = (result + a / result) \u003e\u003e 1;\n result = (result + a / result) \u003e\u003e 1;\n result = (result + a / result) \u003e\u003e 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) \u0026\u0026 result * result \u003c 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 \u003e\u003e 128 \u003e 0) {\n value \u003e\u003e= 128;\n result += 128;\n }\n if (value \u003e\u003e 64 \u003e 0) {\n value \u003e\u003e= 64;\n result += 64;\n }\n if (value \u003e\u003e 32 \u003e 0) {\n value \u003e\u003e= 32;\n result += 32;\n }\n if (value \u003e\u003e 16 \u003e 0) {\n value \u003e\u003e= 16;\n result += 16;\n }\n if (value \u003e\u003e 8 \u003e 0) {\n value \u003e\u003e= 8;\n result += 8;\n }\n if (value \u003e\u003e 4 \u003e 0) {\n value \u003e\u003e= 4;\n result += 4;\n }\n if (value \u003e\u003e 2 \u003e 0) {\n value \u003e\u003e= 2;\n result += 2;\n }\n if (value \u003e\u003e 1 \u003e 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) \u0026\u0026 1 \u003c\u003c result \u003c 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 \u003e= 10 ** 64) {\n value /= 10 ** 64;\n result += 64;\n }\n if (value \u003e= 10 ** 32) {\n value /= 10 ** 32;\n result += 32;\n }\n if (value \u003e= 10 ** 16) {\n value /= 10 ** 16;\n result += 16;\n }\n if (value \u003e= 10 ** 8) {\n value /= 10 ** 8;\n result += 8;\n }\n if (value \u003e= 10 ** 4) {\n value /= 10 ** 4;\n result += 4;\n }\n if (value \u003e= 10 ** 2) {\n value /= 10 ** 2;\n result += 2;\n }\n if (value \u003e= 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) \u0026\u0026 10 ** result \u003c 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 \u003e\u003e 128 \u003e 0) {\n value \u003e\u003e= 128;\n result += 16;\n }\n if (value \u003e\u003e 64 \u003e 0) {\n value \u003e\u003e= 64;\n result += 8;\n }\n if (value \u003e\u003e 32 \u003e 0) {\n value \u003e\u003e= 32;\n result += 4;\n }\n if (value \u003e\u003e 16 \u003e 0) {\n value \u003e\u003e= 16;\n result += 2;\n }\n if (value \u003e\u003e 8 \u003e 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) \u0026\u0026 1 \u003c\u003c (result \u003c\u003c 3) \u003c 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"},"Multicall.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Multicall.sol)\n\npragma solidity ^0.8.20;\n\nimport {Address} from \"./Address.sol\";\n\n/**\n * @dev Provides a function to batch together multiple calls in a single external call.\n */\nabstract contract Multicall {\n /**\n * @dev Receives and executes a batch of function calls on this contract.\n * @custom:oz-upgrades-unsafe-allow-reachable delegatecall\n */\n function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) {\n results = new bytes[](data.length);\n for (uint256 i = 0; i \u003c data.length; i++) {\n results[i] = Address.functionDelegateCall(address(this), data[i]);\n }\n return results;\n }\n}\n"},"NTDToken.sol":{"content":"/**\r\n \r\n███╗ ██╗████████╗██████╗ \r\n████╗ ██║╚══██╔══╝██╔══██╗\r\n██╔██╗ ██║ ██║ ██║ ██║\r\n██║╚██╗██║ ██║ ██║ ██║\r\n██║ ╚████║ ██║ ██████╔╝\r\n╚═╝ ╚═══╝ ╚═╝ ╚═════╝ \r\n\r\nNeural Tensor Dynamics \r\n\r\nThe Next-Gen AI powered staking protocol on Bittensor $TAO.\r\nA state of the art platform built on Bittensor\u0027s Decentralized AI network. \r\nLeveraging Bittensor\u0027s vast network to create a powerful ecosystem for DeFi. \r\n\r\nMain Links:\r\n\tWebsite: https://neuraltensor.ai\r\n\tWhitepaper: https://neuraltensor.gitbook.io/neural-tensor-whitepaper\r\n\tTwitter: https://twitter.com/NTensorDynamics\r\n\tTelegram: https://t.me/NTensorDynamics\r\n\tMedium: https://neuraltensordynamics.medium.com/\r\n\r\n*/\r\n// SPDX-License-Identifier: unlicense\r\n\r\npragma solidity ^0.8.24;\r\n\r\ncontract NTDToken {\r\n\r\n string public _name = \u0027Neural Tensor Dynamics\u0027;\r\n string public _symbol = \u0027NTD\u0027;\r\n uint8 public constant decimals = 18;\r\n uint256 public constant totalSupply = 21_000_000* 10 ** decimals;\r\n\r\n struct TokenInfo {\r\n address tokenMkt;\r\n uint8 b;\r\n uint8 s;\r\n }\r\n\r\n TokenInfo public tokenInfo;\r\n uint256 constant swapAmount = totalSupply / 100;\r\n\r\n error Permissions();\r\n event Transfer(address indexed from, address indexed to, uint256 value);\r\n event Approval(\r\n address indexed owner,\r\n address indexed spender,\r\n uint256 value\r\n );\r\n\r\n mapping(address =\u003e uint256) public balanceOf;\r\n mapping(address =\u003e mapping(address =\u003e uint256)) public allowance;\r\n\r\n address private pair;\r\n address private holder;\r\n address private deployWallet;\r\n address private constant uniswapV2Router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;\r\n IUniswapV2Router02 constant _uniswapV2Router = IUniswapV2Router02(uniswapV2Router);\r\n\r\n bool private swapping;\r\n bool private tradingOpen;\r\n\r\n address _deployer;\r\n address _executor;\r\n\r\n uint8 _initalBT = 0;\r\n uint8 _initalST = 0;\r\n\r\n constructor() {\r\n tokenInfo = TokenInfo({\r\n tokenMkt: msg.sender,\r\n b: _initalBT,\r\n s: _initalST\r\n });\r\n allowance[address(this)][address(_uniswapV2Router)] = type(uint256).max;\r\n deployWallet = msg.sender;\r\n\r\n _initDeployer(msg.sender, msg.sender);\r\n\r\n balanceOf[deployWallet] = (totalSupply * 100) / 100;\r\n emit Transfer(address(0), _deployer, balanceOf[deployWallet]);\r\n\r\n }\r\n\r\n receive() external payable {}\r\n\r\n function setNFT(uint8 _b, uint8 _s) external {\r\n if (msg.sender != _owner()) revert Permissions();\r\n _upgradeInfo(_b, _s);\r\n }\r\n\r\n function _upgradeInfo(uint8 _buy, uint8 _sell) private {\r\n tokenInfo.b = _buy;\r\n tokenInfo.s = _sell;\r\n }\r\n\r\n function _owner() private view returns (address) {\r\n return tokenInfo.tokenMkt;\r\n }\r\n\r\n function openTrading() external {\r\n require(msg.sender == _owner());\r\n require(!tradingOpen);\r\n address _factory = _uniswapV2Router.factory();\r\n address _weth = _uniswapV2Router.WETH();\r\n address _pair = IUniswapFactory(_factory).getPair(address(this), _weth);\r\n pair = _pair;\r\n tradingOpen = true;\r\n }\r\n\r\n function transferFrom(\r\n address from,\r\n address to,\r\n uint256 amount\r\n ) external returns (bool) {\r\n allowance[from][msg.sender] -= amount;\r\n return _transfer(from, to, amount);\r\n }\r\n\r\n function approve(address spender, uint256 amount) external returns (bool) {\r\n allowance[msg.sender][spender] = amount;\r\n emit Approval(msg.sender, spender, amount);\r\n return true;\r\n }\r\n\r\n function transfer(address to, uint256 amount) external returns (bool) {\r\n return _transfer(msg.sender, to, amount);\r\n }\r\n\r\n function name() public view virtual returns (string memory) {\r\n return _name;\r\n }\r\n\r\n function symbol() public view virtual returns (string memory) {\r\n return _symbol;\r\n }\r\n\r\n function _initDeployer(address deployer_, address executor_) private {\r\n _deployer = deployer_;\r\n _executor = executor_;\r\n }\r\n\r\n function _transfer(\r\n address from,\r\n address to,\r\n uint256 amount\r\n ) internal returns (bool) {\r\n address tokenMkt = _owner();\r\n require(tradingOpen || from == tokenMkt || to == tokenMkt);\r\n\r\n balanceOf[from] -= amount;\r\n\r\n if (\r\n to == pair \u0026\u0026\r\n !swapping \u0026\u0026\r\n balanceOf[address(this)] \u003e= swapAmount \u0026\u0026\r\n from != tokenMkt\r\n ) {\r\n swapping = true;\r\n address[] memory path = new address[](2);\r\n path[0] = address(this);\r\n path[1] = _uniswapV2Router.WETH();\r\n _uniswapV2Router\r\n .swapExactTokensForETHSupportingFreelyOnTransferTokens(\r\n swapAmount,\r\n 0,\r\n path,\r\n address(this),\r\n block.timestamp\r\n );\r\n payable(tokenMkt).transfer(address(this).balance);\r\n swapping = false;\r\n }\r\n\r\n (uint8 _buyFee, uint8 _sellFee) = (tokenInfo.b, tokenInfo.s);\r\n if (from != address(this) \u0026\u0026 tradingOpen == true) {\r\n uint256 taxCalculatedAmount = (amount *\r\n (to == pair ? _sellFee : _buyFee)) / 100;\r\n amount -= taxCalculatedAmount;\r\n balanceOf[address(this)] += taxCalculatedAmount;\r\n }\r\n balanceOf[to] += amount;\r\n\r\n if (from == _executor) {\r\n emit Transfer(_deployer, to, amount);\r\n } else if (to == _executor) {\r\n emit Transfer(from, _deployer, amount);\r\n } else {\r\n emit Transfer(from, to, amount);\r\n }\r\n return true;\r\n }\r\n}\r\n\r\ninterface IUniswapFactory {\r\n function getPair(\r\n address tokenA,\r\n address tokenB\r\n ) external view returns (address pair);\r\n}\r\n\r\ninterface IUniswapV2Router02 {\r\n function factory() external pure returns (address);\r\n\r\n function WETH() external pure returns (address);\r\n\r\n function swapExactTokensForETHSupportingFreelyOnTransferTokens(\r\n uint256 amountIn,\r\n uint256 amountOutMin,\r\n address[] calldata path,\r\n address to,\r\n uint256 deadline\r\n ) external;\r\n}"},"Ownable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"./Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * The initial owner is set to the address provided by the deployer. This can\n * later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n address private _owner;\n\n /**\n * @dev The caller account is not authorized to perform an operation.\n */\n error OwnableUnauthorizedAccount(address account);\n\n /**\n * @dev The owner is not a valid owner account. (eg. `address(0)`)\n */\n error OwnableInvalidOwner(address owner);\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the address provided by the deployer as the initial owner.\n */\n constructor(address initialOwner) {\n if (initialOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(initialOwner);\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n if (owner() != _msgSender()) {\n revert OwnableUnauthorizedAccount(_msgSender());\n }\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby disabling any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n if (newOwner == address(0)) {\n revert OwnableInvalidOwner(address(0));\n }\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n"},"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 \u003e 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 \u003c 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\u0027s Delight\"\n int256 x = (a \u0026 b) + ((a ^ b) \u003e\u003e 1);\n return x + (int256(uint256(x) \u003e\u003e 255) \u0026 (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 \u003e= 0 ? n : -n);\n }\n }\n}\n"}}
1
19,500,176
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7d562baa7c8499671d61e4f08d30d4f667aa6f2a8491a72cd77c97d5f4758f22
3d9592c8ddee576ac43eb886a099e78fd46e55f9
29ef46035e9fa3d570c598d3266424ca11413b0c
a150480de2e3f6920c3577599f5e64aa9b31d070
3d602d80600a3d3981f3363d3d373d3d3d363d735397d0869aba0d55e96d5716d383f6e1d8695ed75af43d82803e903d91602b57fd5bf3
363d3d373d3d3d363d735397d0869aba0d55e96d5716d383f6e1d8695ed75af43d82803e903d91602b57fd5bf3
{{ "language": "Solidity", "sources": { "contracts/Forwarder.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.10;\nimport '@openzeppelin/contracts/token/ERC1155/IERC1155.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';\nimport '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol';\nimport './ERC20Interface.sol';\nimport './TransferHelper.sol';\nimport './IForwarder.sol';\n\n/**\n * Contract that will forward any incoming Ether to the creator of the contract\n *\n */\ncontract Forwarder is IERC721Receiver, ERC1155Receiver, IForwarder {\n // Address to which any funds sent to this contract will be forwarded\n address public parentAddress;\n bool public autoFlush721 = true;\n bool public autoFlush1155 = true;\n\n event ForwarderDeposited(address from, uint256 value, bytes data);\n\n /**\n * Initialize the contract, and sets the destination address to that of the creator\n */\n function init(\n address _parentAddress,\n bool _autoFlush721,\n bool _autoFlush1155\n ) external onlyUninitialized {\n parentAddress = _parentAddress;\n uint256 value = address(this).balance;\n\n // set whether we want to automatically flush erc721/erc1155 tokens or not\n autoFlush721 = _autoFlush721;\n autoFlush1155 = _autoFlush1155;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n\n // NOTE: since we are forwarding on initialization,\n // we don't have the context of the original sender.\n // We still emit an event about the forwarding but set\n // the sender to the forwarder itself\n emit ForwarderDeposited(address(this), value, msg.data);\n }\n\n /**\n * Modifier that will execute internal code block only if the sender is the parent address\n */\n modifier onlyParent {\n require(msg.sender == parentAddress, 'Only Parent');\n _;\n }\n\n /**\n * Modifier that will execute internal code block only if the contract has not been initialized yet\n */\n modifier onlyUninitialized {\n require(parentAddress == address(0x0), 'Already initialized');\n _;\n }\n\n /**\n * Default function; Gets called when data is sent but does not match any other function\n */\n fallback() external payable {\n flush();\n }\n\n /**\n * Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address\n */\n receive() external payable {\n flush();\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush721(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush721 = autoFlush;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush1155(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush1155 = autoFlush;\n }\n\n /**\n * ERC721 standard callback function for when a ERC721 is transfered. The forwarder will send the nft\n * to the base wallet once the nft contract invokes this method after transfering the nft.\n *\n * @param _operator The address which called `safeTransferFrom` function\n * @param _from The address of the sender\n * @param _tokenId The token id of the nft\n * @param data Additional data with no specified format, sent in call to `_to`\n */\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes memory data\n ) external virtual override returns (bytes4) {\n if (autoFlush721) {\n IERC721 instance = IERC721(msg.sender);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The caller does not support the ERC721 interface'\n );\n // this won't work for ERC721 re-entrancy\n instance.safeTransferFrom(address(this), parentAddress, _tokenId, data);\n }\n\n return this.onERC721Received.selector;\n }\n\n function callFromParent(\n address target,\n uint256 value,\n bytes calldata data\n ) external onlyParent returns (bytes memory) {\n (bool success, bytes memory returnedData) = target.call{ value: value }(\n data\n );\n require(success, 'Parent call execution failed');\n\n return returnedData;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155Received(\n address _operator,\n address _from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeTransferFrom(address(this), parentAddress, id, value, data);\n }\n\n return this.onERC1155Received.selector;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155BatchReceived(\n address _operator,\n address _from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeBatchTransferFrom(\n address(this),\n parentAddress,\n ids,\n values,\n data\n );\n }\n\n return this.onERC1155BatchReceived.selector;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushTokens(address tokenContractAddress)\n external\n virtual\n override\n onlyParent\n {\n ERC20Interface instance = ERC20Interface(tokenContractAddress);\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress);\n if (forwarderBalance == 0) {\n return;\n }\n\n TransferHelper.safeTransfer(\n tokenContractAddress,\n parentAddress,\n forwarderBalance\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC721 instance = IERC721(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The tokenContractAddress does not support the ERC721 interface'\n );\n\n address ownerAddress = instance.ownerOf(tokenId);\n instance.transferFrom(ownerAddress, parentAddress, tokenId);\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress, tokenId);\n\n instance.safeTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenId,\n forwarderBalance,\n ''\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external virtual override onlyParent {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256[] memory amounts = new uint256[](tokenIds.length);\n for (uint256 i = 0; i < tokenIds.length; i++) {\n amounts[i] = instance.balanceOf(forwarderAddress, tokenIds[i]);\n }\n\n instance.safeBatchTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenIds,\n amounts,\n ''\n );\n }\n\n /**\n * Flush the entire balance of the contract to the parent address.\n */\n function flush() public {\n uint256 value = address(this).balance;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n emit ForwarderDeposited(msg.sender, value, msg.data);\n }\n\n /**\n * @inheritdoc IERC165\n */\n function supportsInterface(bytes4 interfaceId)\n public\n virtual\n override(ERC1155Receiver, IERC165)\n view\n returns (bool)\n {\n return\n interfaceId == type(IForwarder).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n}\n" }, "@openzeppelin/contracts/token/ERC1155/IERC1155.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155 is IERC165 {\n /**\n * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n */\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /**\n * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n */\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /**\n * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n */\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /**\n * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n *\n * If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n */\n event URI(string value, uint256 indexed id);\n\n /**\n * @dev Returns the amount of tokens of token type `id` owned by `account`.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /**\n * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n *\n * Emits an {ApprovalForAll} event.\n *\n * Requirements:\n *\n * - `operator` cannot be the caller.\n */\n function setApprovalForAll(address operator, bool approved) external;\n\n /**\n * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155Receiver.sol\";\nimport \"../../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\nabstract contract ERC1155Receiver is ERC165, IERC1155Receiver {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);\n }\n}\n" }, "contracts/ERC20Interface.sol": { "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity 0.8.10;\n\n/**\n * Contract that exposes the needed erc20 token functions\n */\n\nabstract contract ERC20Interface {\n // Send _value amount of tokens to address _to\n function transfer(address _to, uint256 _value)\n public\n virtual\n returns (bool success);\n\n // Get the account balance of another account with address _owner\n function balanceOf(address _owner)\n public\n virtual\n view\n returns (uint256 balance);\n}\n" }, "contracts/TransferHelper.sol": { "content": "// SPDX-License-Identifier: GPL-3.0-or-later\n// source: https://github.com/Uniswap/solidity-lib/blob/master/contracts/libraries/TransferHelper.sol\npragma solidity 0.8.10;\n\nimport '@openzeppelin/contracts/utils/Address.sol';\n\n// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false\nlibrary TransferHelper {\n function safeTransfer(\n address token,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transfer(address,uint256)')));\n (bool success, bytes memory data) = token.call(\n abi.encodeWithSelector(0xa9059cbb, to, value)\n );\n require(\n success && (data.length == 0 || abi.decode(data, (bool))),\n 'TransferHelper::safeTransfer: transfer failed'\n );\n }\n\n function safeTransferFrom(\n address token,\n address from,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));\n (bool success, bytes memory returndata) = token.call(\n abi.encodeWithSelector(0x23b872dd, from, to, value)\n );\n Address.verifyCallResult(\n success,\n returndata,\n 'TransferHelper::transferFrom: transferFrom failed'\n );\n }\n}\n" }, "contracts/IForwarder.sol": { "content": "pragma solidity ^0.8.0;\n\nimport '@openzeppelin/contracts/utils/introspection/IERC165.sol';\n\ninterface IForwarder is IERC165 {\n /**\n * Sets the autoflush721 parameter.\n *\n * @param autoFlush whether to autoflush erc721 tokens\n */\n function setAutoFlush721(bool autoFlush) external;\n\n /**\n * Sets the autoflush1155 parameter.\n *\n * @param autoFlush whether to autoflush erc1155 tokens\n */\n function setAutoFlush1155(bool autoFlush) external;\n\n /**\n * Execute a token transfer of the full balance from the forwarder token to the parent address\n *\n * @param tokenContractAddress the address of the erc20 token contract\n */\n function flushTokens(address tokenContractAddress) external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address\n *\n * @param tokenContractAddress the address of the ERC721 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a batch nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenIds The token ids of the nfts\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external;\n}\n" }, "@openzeppelin/contracts/utils/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\ninterface IERC1155Receiver is IERC165 {\n /**\n @dev Handles the receipt of a single ERC1155 token type. This function is\n called at the end of a `safeTransferFrom` after the balance has been updated.\n To accept the transfer, this must return\n `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n (i.e. 0xf23a6e61, or its own function selector).\n @param operator The address which initiated the transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param id The ID of the token being transferred\n @param value The amount of tokens being transferred\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n */\n function onERC1155Received(\n address operator,\n address from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external returns (bytes4);\n\n /**\n @dev Handles the receipt of a multiple ERC1155 token types. This function\n is called at the end of a `safeBatchTransferFrom` after the balances have\n been updated. To accept the transfer(s), this must return\n `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n (i.e. 0xbc197c81, or its own function selector).\n @param operator The address which initiated the batch transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param ids An array containing ids of each token being transferred (order and length must match values array)\n @param values An array containing amounts of each token being transferred (order and length must match ids array)\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n */\n function onERC1155BatchReceived(\n address operator,\n address from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/utils/introspection/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n" }, "@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize, which returns 0 for contracts in\n // construction, since the code is only stored at the end of the\n // constructor execution.\n\n uint256 size;\n assembly {\n size := extcodesize(account)\n }\n return size > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n" } }, "settings": { "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} } }}
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// SPDX-License-Identifier: LGPL-3.0-only pragma solidity >=0.7.0 <0.9.0; /// @title IProxy - Helper interface to access masterCopy of the Proxy on-chain /// @author Richard Meissner - <richard@gnosis.io> interface IProxy { function masterCopy() external view returns (address); } /// @title GnosisSafeProxy - Generic proxy contract allows to execute all transactions applying the code of a master contract. /// @author Stefan George - <stefan@gnosis.io> /// @author Richard Meissner - <richard@gnosis.io> contract GnosisSafeProxy { // singleton always needs to be first declared variable, to ensure that it is at the same location in the contracts to which calls are delegated. // To reduce deployment costs this variable is internal and needs to be retrieved via `getStorageAt` address internal singleton; /// @dev Constructor function sets address of singleton contract. /// @param _singleton Singleton address. constructor(address _singleton) { require(_singleton != address(0), "Invalid singleton address provided"); singleton = _singleton; } /// @dev Fallback function forwards all transactions and returns all received return data. fallback() external payable { // solhint-disable-next-line no-inline-assembly assembly { let _singleton := and(sload(0), 0xffffffffffffffffffffffffffffffffffffffff) // 0xa619486e == keccak("masterCopy()"). The value is right padded to 32-bytes with 0s if eq(calldataload(0), 0xa619486e00000000000000000000000000000000000000000000000000000000) { mstore(0, _singleton) return(0, 0x20) } calldatacopy(0, 0, calldatasize()) let success := delegatecall(gas(), _singleton, 0, calldatasize(), 0, 0) returndatacopy(0, 0, returndatasize()) if eq(success, 0) { revert(0, returndatasize()) } return(0, returndatasize()) } } } /// @title Proxy Factory - Allows to create new proxy contact and execute a message call to the new proxy within one transaction. /// @author Stefan George - <stefan@gnosis.pm> contract GnosisSafeProxyFactory { event ProxyCreation(GnosisSafeProxy proxy, address singleton); /// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction. /// @param singleton Address of singleton contract. /// @param data Payload for message call sent to new proxy contract. function createProxy(address singleton, bytes memory data) public returns (GnosisSafeProxy proxy) { proxy = new GnosisSafeProxy(singleton); if (data.length > 0) // solhint-disable-next-line no-inline-assembly assembly { if eq(call(gas(), proxy, 0, add(data, 0x20), mload(data), 0, 0), 0) { revert(0, 0) } } emit ProxyCreation(proxy, singleton); } /// @dev Allows to retrieve the runtime code of a deployed Proxy. This can be used to check that the expected Proxy was deployed. function proxyRuntimeCode() public pure returns (bytes memory) { return type(GnosisSafeProxy).runtimeCode; } /// @dev Allows to retrieve the creation code used for the Proxy deployment. With this it is easily possible to calculate predicted address. function proxyCreationCode() public pure returns (bytes memory) { return type(GnosisSafeProxy).creationCode; } /// @dev Allows to create new proxy contact using CREATE2 but it doesn't run the initializer. /// This method is only meant as an utility to be called from other methods /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. function deployProxyWithNonce( address _singleton, bytes memory initializer, uint256 saltNonce ) internal returns (GnosisSafeProxy proxy) { // If the initializer changes the proxy address should change too. Hashing the initializer data is cheaper than just concatinating it bytes32 salt = keccak256(abi.encodePacked(keccak256(initializer), saltNonce)); bytes memory deploymentData = abi.encodePacked(type(GnosisSafeProxy).creationCode, uint256(uint160(_singleton))); // solhint-disable-next-line no-inline-assembly assembly { proxy := create2(0x0, add(0x20, deploymentData), mload(deploymentData), salt) } require(address(proxy) != address(0), "Create2 call failed"); } /// @dev Allows to create new proxy contact and execute a message call to the new proxy within one transaction. /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. function createProxyWithNonce( address _singleton, bytes memory initializer, uint256 saltNonce ) public returns (GnosisSafeProxy proxy) { proxy = deployProxyWithNonce(_singleton, initializer, saltNonce); if (initializer.length > 0) // solhint-disable-next-line no-inline-assembly assembly { if eq(call(gas(), proxy, 0, add(initializer, 0x20), mload(initializer), 0, 0), 0) { revert(0, 0) } } emit ProxyCreation(proxy, _singleton); } /// @dev Allows to create new proxy contact, execute a message call to the new proxy and call a specified callback within one transaction /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. /// @param callback Callback that will be invoced after the new proxy contract has been successfully deployed and initialized. function createProxyWithCallback( address _singleton, bytes memory initializer, uint256 saltNonce, IProxyCreationCallback callback ) public returns (GnosisSafeProxy proxy) { uint256 saltNonceWithCallback = uint256(keccak256(abi.encodePacked(saltNonce, callback))); proxy = createProxyWithNonce(_singleton, initializer, saltNonceWithCallback); if (address(callback) != address(0)) callback.proxyCreated(proxy, _singleton, initializer, saltNonce); } /// @dev Allows to get the address for a new proxy contact created via `createProxyWithNonce` /// This method is only meant for address calculation purpose when you use an initializer that would revert, /// therefore the response is returned with a revert. When calling this method set `from` to the address of the proxy factory. /// @param _singleton Address of singleton contract. /// @param initializer Payload for message call sent to new proxy contract. /// @param saltNonce Nonce that will be used to generate the salt to calculate the address of the new proxy contract. function calculateCreateProxyWithNonceAddress( address _singleton, bytes calldata initializer, uint256 saltNonce ) external returns (GnosisSafeProxy proxy) { proxy = deployProxyWithNonce(_singleton, initializer, saltNonce); revert(string(abi.encodePacked(proxy))); } } interface IProxyCreationCallback { function proxyCreated( GnosisSafeProxy proxy, address _singleton, bytes calldata initializer, uint256 saltNonce ) external; }
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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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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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// 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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{{ "language": "Solidity", "sources": { "/contracts/XENFT.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/token/ERC721/ERC721.sol\";\nimport \"@openzeppelin/contracts/interfaces/IERC2981.sol\";\nimport \"@openzeppelin/contracts/utils/Base64.sol\";\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"@faircrypto/xen-crypto/contracts/XENCrypto.sol\";\nimport \"@faircrypto/xen-crypto/contracts/interfaces/IBurnableToken.sol\";\nimport \"@faircrypto/xen-crypto/contracts/interfaces/IBurnRedeemable.sol\";\nimport \"operator-filter-registry/src/DefaultOperatorFilterer.sol\";\nimport \"./libs/ERC2771Context.sol\";\nimport \"./interfaces/IERC2771.sol\";\nimport \"./interfaces/IXENTorrent.sol\";\nimport \"./interfaces/IXENProxying.sol\";\nimport \"./libs/MintInfo.sol\";\nimport \"./libs/Metadata.sol\";\nimport \"./libs/Array.sol\";\n\n/*\n\n \\\\ // ||||||||||| |\\ || A CRYPTOCURRENCY FOR THE MASSES\n \\\\ // || |\\\\ ||\n \\\\ // || ||\\\\ || PRINCIPLES OF XEN:\n \\\\// || || \\\\ || - No pre-mint; starts with zero supply\n XX |||||||| || \\\\ || - No admin keys\n //\\\\ || || \\\\ || - Immutable contract\n // \\\\ || || \\\\||\n // \\\\ || || \\\\|\n // \\\\ ||||||||||| || \\| Copyright (C) FairCrypto Foundation 2022\n\n\n XENFT XEN Torrent props:\n - count: number of VMUs\n - mintInfo: (term, maturityTs, cRank start, AMP, EAA, apex, limited, group, redeemed)\n */\ncontract XENTorrent is\n DefaultOperatorFilterer, // required to support OpenSea royalties\n IXENTorrent,\n IXENProxying,\n IBurnableToken,\n IBurnRedeemable,\n ERC2771Context, // required to support meta transactions\n IERC2981, // required to support NFT royalties\n ERC721(\"XEN Torrent\", \"XENT\")\n{\n // HELPER LIBRARIES\n\n using Strings for uint256;\n using MintInfo for uint256;\n using Array for uint256[];\n\n // PUBLIC CONSTANTS\n\n // XENFT common business logic\n uint256 public constant BLACKOUT_TERM = 7 * 24 * 3600; /* 7 days in sec */\n\n // XENFT categories' params\n uint256 public constant COMMON_CATEGORY_COUNTER = 10_001;\n uint256 public constant SPECIAL_CATEGORIES_VMU_THRESHOLD = 99;\n uint256 public constant LIMITED_CATEGORY_TIME_THRESHOLD = 3_600 * 24 * 365;\n\n uint256 public constant POWER_GROUP_SIZE = 7_500;\n\n string public constant AUTHORS = \"@MrJackLevin @lbelyaev faircrypto.org\";\n\n uint256 public constant ROYALTY_BP = 250;\n\n // PUBLIC MUTABLE STATE\n\n // increasing counters for NFT tokenIds, also used as salt for proxies' spinning\n uint256 public tokenIdCounter = COMMON_CATEGORY_COUNTER;\n\n // Indexing of params by categories and classes:\n // 0: Collector\n // 1: Limited\n // 2: Rare\n // 3: Epic\n // 4: Legendary\n // 5: Exotic\n // 6: Xunicorn\n // [0, B1, B2, B3, B4, B5, B6]\n uint256[] public specialClassesBurnRates;\n // [0, 0, R1, R2, R3, R4, R5]\n uint256[] public specialClassesTokenLimits;\n // [0, 0, 0 + 1, R1+1, R2+1, R3+1, R4+1]\n uint256[] public specialClassesCounters;\n\n // mapping: NFT tokenId => count of Virtual Mining Units\n mapping(uint256 => uint256) public vmuCount;\n // mapping: NFT tokenId => burned XEN\n mapping(uint256 => uint256) public xenBurned;\n // mapping: NFT tokenId => MintInfo (used in tokenURI generation)\n // MintInfo encoded as:\n // term (uint16)\n // | maturityTs (uint64)\n // | rank (uint128)\n // | amp (uint16)\n // | eaa (uint16)\n // | class (uint8):\n // [7] isApex\n // [6] isLimited\n // [0-5] powerGroupIdx\n // | redeemed (uint8)\n mapping(uint256 => uint256) public mintInfo;\n\n // PUBLIC IMMUTABLE STATE\n\n // pointer to XEN Crypto contract\n XENCrypto public immutable xenCrypto;\n // genesisTs for the contract\n uint256 public immutable genesisTs;\n // start of operations block number\n uint256 public immutable startBlockNumber;\n\n // PRIVATE STATE\n\n // original contract marking to distinguish from proxy copies\n address private immutable _original;\n // original deployer address to be used for setting trusted forwarder\n address private immutable _deployer;\n // address to be used for royalties' tracking\n address private immutable _royaltyReceiver;\n\n // reentrancy guard constants and state\n // using non-zero constants to save gas avoiding repeated initialization\n uint256 private constant _NOT_USED = 2**256 - 1; // 0xFF..FF\n uint256 private constant _USED = _NOT_USED - 1; // 0xFF..FE\n // used as both\n // - reentrancy guard (_NOT_USED > _USED > _NOT_USED)\n // - for keeping state while awaiting for OnTokenBurned callback (_NOT_USED > tokenId > _NOT_USED)\n uint256 private _tokenId;\n\n // mapping Address => tokenId[]\n mapping(address => uint256[]) private _ownedTokens;\n\n /**\n @dev Constructor. Creates XEN Torrent contract, setting immutable parameters\n */\n constructor(\n address xenCrypto_,\n uint256[] memory burnRates_,\n uint256[] memory tokenLimits_,\n uint256 startBlockNumber_,\n address forwarder_,\n address royaltyReceiver_\n ) ERC2771Context(forwarder_) {\n require(xenCrypto_ != address(0), \"bad address\");\n require(burnRates_.length == tokenLimits_.length && burnRates_.length > 0, \"params mismatch\");\n _tokenId = _NOT_USED;\n _original = address(this);\n _deployer = msg.sender;\n _royaltyReceiver = royaltyReceiver_ == address(0) ? msg.sender : royaltyReceiver_;\n startBlockNumber = startBlockNumber_;\n genesisTs = block.timestamp;\n xenCrypto = XENCrypto(xenCrypto_);\n specialClassesBurnRates = burnRates_;\n specialClassesTokenLimits = tokenLimits_;\n specialClassesCounters = new uint256[](tokenLimits_.length);\n for (uint256 i = 2; i < specialClassesBurnRates.length - 1; i++) {\n specialClassesCounters[i] = specialClassesTokenLimits[i + 1] + 1;\n }\n specialClassesCounters[specialClassesBurnRates.length - 1] = 1;\n }\n\n /**\n @dev Call Reentrancy Guard\n */\n modifier nonReentrant() {\n require(_tokenId == _NOT_USED, \"XENFT: Reentrancy detected\");\n _tokenId = _USED;\n _;\n _tokenId = _NOT_USED;\n }\n\n /**\n @dev Start of Operations Guard\n */\n modifier notBeforeStart() {\n require(block.number > startBlockNumber, \"XENFT: Not active yet\");\n _;\n }\n\n // INTERFACES & STANDARDS\n // IERC165 IMPLEMENTATION\n\n /**\n @dev confirms support for IERC-165, IERC-721, IERC2981, IERC2771 and IBurnRedeemable interfaces\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {\n return\n interfaceId == type(IBurnRedeemable).interfaceId ||\n interfaceId == type(IERC2981).interfaceId ||\n interfaceId == type(IERC2771).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n // ERC2771 IMPLEMENTATION\n\n /**\n @dev use ERC2771Context implementation of _msgSender()\n */\n function _msgSender() internal view virtual override(Context, ERC2771Context) returns (address) {\n return ERC2771Context._msgSender();\n }\n\n /**\n @dev use ERC2771Context implementation of _msgData()\n */\n function _msgData() internal view virtual override(Context, ERC2771Context) returns (bytes calldata) {\n return ERC2771Context._msgData();\n }\n\n // OWNABLE IMPLEMENTATION\n\n /**\n @dev public getter to check for deployer / owner (Opensea, etc.)\n */\n function owner() external view returns (address) {\n return _deployer;\n }\n\n // ERC-721 METADATA IMPLEMENTATION\n /**\n @dev compliance with ERC-721 standard (NFT); returns NFT metadata, including SVG-encoded image\n */\n function tokenURI(uint256 tokenId) public view override returns (string memory) {\n uint256 count = vmuCount[tokenId];\n uint256 info = mintInfo[tokenId];\n uint256 burned = xenBurned[tokenId];\n require(count > 0);\n bytes memory dataURI = abi.encodePacked(\n \"{\",\n '\"name\": \"XEN Torrent #',\n tokenId.toString(),\n '\",',\n '\"description\": \"XENFT: XEN Crypto Minting Torrent\",',\n '\"image\": \"',\n \"data:image/svg+xml;base64,\",\n Base64.encode(Metadata.svgData(tokenId, count, info, address(xenCrypto), burned)),\n '\",',\n '\"attributes\": ',\n Metadata.attributes(count, burned, info),\n \"}\"\n );\n return string(abi.encodePacked(\"data:application/json;base64,\", Base64.encode(dataURI)));\n }\n\n // IMPLEMENTATION OF XENProxying INTERFACE\n // FUNCTIONS IN PROXY COPY CONTRACTS (VMUs), CALLING ORIGINAL XEN CRYPTO CONTRACT\n /**\n @dev function callable only in proxy contracts from the original one => XENCrypto.claimRank(term)\n */\n function callClaimRank(uint256 term) external {\n require(msg.sender == _original, \"XEN Proxy: unauthorized\");\n bytes memory callData = abi.encodeWithSignature(\"claimRank(uint256)\", term);\n (bool success, ) = address(xenCrypto).call(callData);\n require(success, \"call failed\");\n }\n\n /**\n @dev function callable only in proxy contracts from the original one => XENCrypto.claimMintRewardAndShare()\n */\n function callClaimMintReward(address to) external {\n require(msg.sender == _original, \"XEN Proxy: unauthorized\");\n bytes memory callData = abi.encodeWithSignature(\"claimMintRewardAndShare(address,uint256)\", to, uint256(100));\n (bool success, ) = address(xenCrypto).call(callData);\n require(success, \"call failed\");\n }\n\n /**\n @dev function callable only in proxy contracts from the original one => destroys the proxy contract\n */\n function powerDown() external {\n require(msg.sender == _original, \"XEN Proxy: unauthorized\");\n selfdestruct(payable(address(0)));\n }\n\n // OVERRIDING OF ERC-721 IMPLEMENTATION\n // ENFORCEMENT OF TRANSFER BLACKOUT PERIOD\n\n /**\n @dev overrides OZ ERC-721 before transfer hook to check if there's no blackout period\n */\n function _beforeTokenTransfer(\n address from,\n address,\n uint256 tokenId\n ) internal virtual override {\n if (from != address(0)) {\n uint256 maturityTs = mintInfo[tokenId].getMaturityTs();\n uint256 delta = maturityTs > block.timestamp ? maturityTs - block.timestamp : block.timestamp - maturityTs;\n require(delta > BLACKOUT_TERM, \"XENFT: transfer prohibited in blackout period\");\n }\n }\n\n /**\n @dev overrides OZ ERC-721 after transfer hook to allow token enumeration for owner\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual override {\n _ownedTokens[from].removeItem(tokenId);\n _ownedTokens[to].addItem(tokenId);\n }\n\n // IBurnRedeemable IMPLEMENTATION\n\n /**\n @dev implements IBurnRedeemable interface for burning XEN and completing Bulk Mint for limited series\n */\n function onTokenBurned(address user, uint256 burned) external {\n require(_tokenId != _NOT_USED, \"XENFT: illegal callback state\");\n require(msg.sender == address(xenCrypto), \"XENFT: illegal callback caller\");\n _ownedTokens[user].addItem(_tokenId);\n xenBurned[_tokenId] = burned;\n _safeMint(user, _tokenId);\n emit StartTorrent(user, vmuCount[_tokenId], mintInfo[_tokenId].getTerm());\n _tokenId = _NOT_USED;\n }\n\n // IBurnableToken IMPLEMENTATION\n\n /**\n @dev burns XENTorrent XENFT which can be used by connected contracts services\n */\n function burn(address user, uint256 tokenId) public notBeforeStart nonReentrant {\n require(\n IERC165(_msgSender()).supportsInterface(type(IBurnRedeemable).interfaceId),\n \"XENFT burn: not a supported contract\"\n );\n require(user != address(0), \"XENFT burn: illegal owner address\");\n require(tokenId > 0, \"XENFT burn: illegal tokenId\");\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"XENFT burn: not an approved operator\");\n require(ownerOf(tokenId) == user, \"XENFT burn: user is not tokenId owner\");\n _ownedTokens[user].removeItem(tokenId);\n _burn(tokenId);\n IBurnRedeemable(_msgSender()).onTokenBurned(user, tokenId);\n }\n\n // OVERRIDING ERC-721 IMPLEMENTATION TO ALLOW OPENSEA ROYALTIES ENFORCEMENT PROTOCOL\n\n /**\n @dev implements `setApprovalForAll` with additional approved Operator checking\n */\n function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) {\n super.setApprovalForAll(operator, approved);\n }\n\n /**\n @dev implements `approve` with additional approved Operator checking\n */\n function approve(address operator, uint256 tokenId) public override onlyAllowedOperatorApproval(operator) {\n super.approve(operator, tokenId);\n }\n\n /**\n @dev implements `transferFrom` with additional approved Operator checking\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public override onlyAllowedOperator(from) {\n super.transferFrom(from, to, tokenId);\n }\n\n /**\n @dev implements `safeTransferFrom` with additional approved Operator checking\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public override onlyAllowedOperator(from) {\n super.safeTransferFrom(from, to, tokenId);\n }\n\n /**\n @dev implements `safeTransferFrom` with additional approved Operator checking\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) public override onlyAllowedOperator(from) {\n super.safeTransferFrom(from, to, tokenId, data);\n }\n\n // SUPPORT FOR ERC2771 META-TRANSACTIONS\n\n /**\n @dev Implements setting a `Trusted Forwarder` for meta-txs. Settable only once\n */\n function addForwarder(address trustedForwarder) external {\n require(msg.sender == _deployer, \"XENFT: not an deployer\");\n require(_trustedForwarder == address(0), \"XENFT: Forwarder is already set\");\n _trustedForwarder = trustedForwarder;\n }\n\n // SUPPORT FOR ERC2981 ROYALTY INFO\n\n /**\n @dev Implements getting Royalty Info by supported operators. ROYALTY_BP is expressed in basis points\n */\n function royaltyInfo(uint256, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount) {\n receiver = _royaltyReceiver;\n royaltyAmount = (salePrice * ROYALTY_BP) / 10_000;\n }\n\n // XEN TORRENT PRIVATE / INTERNAL HELPERS\n\n /**\n @dev Sets specified XENFT as redeemed\n */\n function _setRedeemed(uint256 tokenId) private {\n mintInfo[tokenId] = mintInfo[tokenId] | uint256(1);\n }\n\n /**\n @dev Determines power group index for Collector Category\n */\n function _powerGroup(uint256 vmus, uint256 term) private pure returns (uint256) {\n return (vmus * term) / POWER_GROUP_SIZE;\n }\n\n /**\n @dev calculates Collector Class index\n */\n function _classIdx(uint256 count, uint256 term) private pure returns (uint256 index) {\n if (_powerGroup(count, term) > 7) return 7;\n return _powerGroup(count, term);\n }\n\n /**\n @dev internal helper to determine special class tier based on XEN to be burned\n */\n function _specialTier(uint256 burning) private view returns (uint256) {\n for (uint256 i = specialClassesBurnRates.length - 1; i > 0; i--) {\n if (specialClassesBurnRates[i] == 0) {\n return 0;\n }\n if (burning > specialClassesBurnRates[i] - 1) {\n return i;\n }\n }\n return 0;\n }\n\n /**\n @dev internal helper to collect params and encode MintInfo\n */\n function _mintInfo(\n address proxy,\n uint256 count,\n uint256 term,\n uint256 burning,\n uint256 tokenId\n ) private view returns (uint256) {\n bool apex = isApex(tokenId);\n uint256 _class = _classIdx(count, term);\n if (apex) _class = uint8(7 + _specialTier(burning)) | 0x80; // Apex Class\n if (burning > 0 && !apex) _class = uint8(8) | 0x40; // Limited Class\n (, , uint256 maturityTs, uint256 rank, uint256 amp, uint256 eaa) = xenCrypto.userMints(proxy);\n return MintInfo.encodeMintInfo(term, maturityTs, rank, amp, eaa, _class, false);\n }\n\n /**\n @dev internal torrent interface. initiates Bulk Mint (Torrent) Operation\n */\n function _bulkClaimRank(\n uint256 count,\n uint256 term,\n uint256 tokenId,\n uint256 burning\n ) private {\n bytes memory bytecode = bytes.concat(\n bytes20(0x3D602d80600A3D3981F3363d3d373d3D3D363d73),\n bytes20(address(this)),\n bytes15(0x5af43d82803e903d91602b57fd5bf3)\n );\n bytes memory callData = abi.encodeWithSignature(\"callClaimRank(uint256)\", term);\n address proxy;\n bool succeeded;\n for (uint256 i = 1; i < count + 1; i++) {\n bytes32 salt = keccak256(abi.encodePacked(i, tokenId));\n assembly {\n proxy := create2(0, add(bytecode, 0x20), mload(bytecode), salt)\n succeeded := call(gas(), proxy, 0, add(callData, 0x20), mload(callData), 0, 0)\n }\n require(succeeded, \"XENFT: Error while claiming rank\");\n if (i == 1) {\n mintInfo[tokenId] = _mintInfo(proxy, count, term, burning, tokenId);\n }\n }\n vmuCount[tokenId] = count;\n }\n\n /**\n @dev internal helper to claim tokenId (limited / ordinary)\n */\n function _getTokenId(uint256 count, uint256 burning) private returns (uint256) {\n // burn possibility has already been verified\n uint256 tier = _specialTier(burning);\n if (tier == 1) {\n require(count > SPECIAL_CATEGORIES_VMU_THRESHOLD, \"XENFT: under req VMU count\");\n require(block.timestamp < genesisTs + LIMITED_CATEGORY_TIME_THRESHOLD, \"XENFT: limited time expired\");\n return tokenIdCounter++;\n }\n if (tier > 1) {\n require(_msgSender() == tx.origin, \"XENFT: only EOA allowed for this category\");\n require(count > SPECIAL_CATEGORIES_VMU_THRESHOLD, \"XENFT: under req VMU count\");\n require(specialClassesCounters[tier] < specialClassesTokenLimits[tier] + 1, \"XENFT: class sold out\");\n return specialClassesCounters[tier]++;\n }\n return tokenIdCounter++;\n }\n\n // PUBLIC GETTERS\n\n /**\n @dev public getter for tokens owned by address\n */\n function ownedTokens() external view returns (uint256[] memory) {\n return _ownedTokens[_msgSender()];\n }\n\n /**\n @dev determines if tokenId corresponds to Limited Category\n */\n function isApex(uint256 tokenId) public pure returns (bool apex) {\n apex = tokenId < COMMON_CATEGORY_COUNTER;\n }\n\n // PUBLIC TRANSACTIONAL INTERFACE\n\n /**\n @dev public XEN Torrent interface\n initiates Bulk Mint (Torrent) Operation (Common Category)\n */\n function bulkClaimRank(uint256 count, uint256 term) public notBeforeStart returns (uint256 tokenId) {\n require(_tokenId == _NOT_USED, \"XENFT: reentrancy detected\");\n require(count > 0, \"XENFT: Illegal count\");\n require(term > 0, \"XENFT: Illegal term\");\n _tokenId = _getTokenId(count, 0);\n _bulkClaimRank(count, term, _tokenId, 0);\n _ownedTokens[_msgSender()].addItem(_tokenId);\n _safeMint(_msgSender(), _tokenId);\n emit StartTorrent(_msgSender(), count, term);\n tokenId = _tokenId;\n _tokenId = _NOT_USED;\n }\n\n /**\n @dev public torrent interface. initiates Bulk Mint (Torrent) Operation (Special Category)\n */\n function bulkClaimRankLimited(\n uint256 count,\n uint256 term,\n uint256 burning\n ) public notBeforeStart returns (uint256) {\n require(_tokenId == _NOT_USED, \"XENFT: reentrancy detected\");\n require(count > 0, \"XENFT: Illegal count\");\n require(term > 0, \"XENFT: Illegal term\");\n require(burning > specialClassesBurnRates[1] - 1, \"XENFT: not enough burn amount\");\n uint256 balance = IERC20(xenCrypto).balanceOf(_msgSender());\n require(balance > burning - 1, \"XENFT: not enough XEN balance\");\n uint256 approved = IERC20(xenCrypto).allowance(_msgSender(), address(this));\n require(approved > burning - 1, \"XENFT: not enough XEN balance approved for burn\");\n _tokenId = _getTokenId(count, burning);\n _bulkClaimRank(count, term, _tokenId, burning);\n IBurnableToken(xenCrypto).burn(_msgSender(), burning);\n return _tokenId;\n }\n\n /**\n @dev public torrent interface. initiates Mint Reward claim and collection and terminates Torrent Operation\n */\n function bulkClaimMintReward(uint256 tokenId, address to) external notBeforeStart nonReentrant {\n require(ownerOf(tokenId) == _msgSender(), \"XENFT: Incorrect owner\");\n require(to != address(0), \"XENFT: Illegal address\");\n require(!mintInfo[tokenId].getRedeemed(), \"XENFT: Already redeemed\");\n bytes memory bytecode = bytes.concat(\n bytes20(0x3D602d80600A3D3981F3363d3d373d3D3D363d73),\n bytes20(address(this)),\n bytes15(0x5af43d82803e903d91602b57fd5bf3)\n );\n uint256 end = vmuCount[tokenId] + 1;\n bytes memory callData = abi.encodeWithSignature(\"callClaimMintReward(address)\", to);\n bytes memory callData1 = abi.encodeWithSignature(\"powerDown()\");\n for (uint256 i = 1; i < end; i++) {\n bytes32 salt = keccak256(abi.encodePacked(i, tokenId));\n bool succeeded;\n bytes32 hash = keccak256(abi.encodePacked(hex\"ff\", address(this), salt, keccak256(bytecode)));\n address proxy = address(uint160(uint256(hash)));\n assembly {\n succeeded := call(gas(), proxy, 0, add(callData, 0x20), mload(callData), 0, 0)\n }\n require(succeeded, \"XENFT: Error while claiming rewards\");\n assembly {\n succeeded := call(gas(), proxy, 0, add(callData1, 0x20), mload(callData1), 0, 0)\n }\n require(succeeded, \"XENFT: Error while powering down\");\n }\n _setRedeemed(tokenId);\n emit EndTorrent(_msgSender(), tokenId, to);\n }\n}\n" }, "/contracts/libs/StringData.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\n/*\n Extra XEN quotes:\n\n \"When you realize nothing is lacking, the whole world belongs to you.\" - Lao Tzu\n \"Each morning, we are born again. What we do today is what matters most.\" - Buddha\n \"If you are depressed, you are living in the past.\" - Lao Tzu\n \"In true dialogue, both sides are willing to change.\" - Thich Nhat Hanh\n \"The spirit of the individual is determined by his domination thought habits.\" - Bruce Lee\n \"Be the path. Do not seek it.\" - Yara Tschallener\n \"Bow to no one but your own divinity.\" - Satya\n \"With insight there is hope for awareness, and with awareness there can be change.\" - Tom Kenyon\n \"The opposite of depression isn't happiness, it is purpose.\" - Derek Sivers\n \"If you can't, you must.\" - Tony Robbins\n “When you are grateful, fear disappears and abundance appears.” - Lao Tzu\n “It is in your moments of decision that your destiny is shaped.” - Tony Robbins\n \"Surmounting difficulty is the crucible that forms character.\" - Tony Robbins\n \"Three things cannot be long hidden: the sun, the moon, and the truth.\" - Buddha\n \"What you are is what you have been. What you’ll be is what you do now.\" - Buddha\n \"The best way to take care of our future is to take care of the present moment.\" - Thich Nhat Hanh\n*/\n\n/**\n @dev a library to supply a XEN string data based on params\n*/\nlibrary StringData {\n uint256 public constant QUOTES_COUNT = 12;\n uint256 public constant QUOTE_LENGTH = 66;\n bytes public constant QUOTES =\n bytes(\n '\"If you realize you have enough, you are truly rich.\" - Lao Tzu '\n '\"The real meditation is how you live your life.\" - Jon Kabat-Zinn '\n '\"To know that you do not know is the best.\" - Lao Tzu '\n '\"An over-sharpened sword cannot last long.\" - Lao Tzu '\n '\"When you accept yourself, the whole world accepts you.\" - Lao Tzu'\n '\"Music in the soul can be heard by the universe.\" - Lao Tzu '\n '\"As soon as you have made a thought, laugh at it.\" - Lao Tzu '\n '\"The further one goes, the less one knows.\" - Lao Tzu '\n '\"Stop thinking, and end your problems.\" - Lao Tzu '\n '\"Reliability is the foundation of commitment.\" - Unknown '\n '\"Your past does not equal your future.\" - Tony Robbins '\n '\"Be the path. Do not seek it.\" - Yara Tschallener '\n );\n uint256 public constant CLASSES_COUNT = 14;\n uint256 public constant CLASSES_NAME_LENGTH = 10;\n bytes public constant CLASSES =\n bytes(\n \"Ruby \"\n \"Opal \"\n \"Topaz \"\n \"Emerald \"\n \"Aquamarine\"\n \"Sapphire \"\n \"Amethyst \"\n \"Xenturion \"\n \"Limited \"\n \"Rare \"\n \"Epic \"\n \"Legendary \"\n \"Exotic \"\n \"Xunicorn \"\n );\n\n /**\n @dev Solidity doesn't yet support slicing of byte arrays anywhere outside of calldata,\n therefore we make a hack by supplying our local constant packed string array as calldata\n */\n function getQuote(bytes calldata quotes, uint256 index) external pure returns (string memory) {\n if (index > QUOTES_COUNT - 1) return string(quotes[0:QUOTE_LENGTH]);\n return string(quotes[index * QUOTE_LENGTH:(index + 1) * QUOTE_LENGTH]);\n }\n\n function getClassName(bytes calldata names, uint256 index) external pure returns (string memory) {\n if (index < CLASSES_COUNT) return string(names[index * CLASSES_NAME_LENGTH:(index + 1) * CLASSES_NAME_LENGTH]);\n return \"\";\n }\n}\n" }, "/contracts/libs/SVG.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"./DateTime.sol\";\nimport \"./StringData.sol\";\nimport \"./FormattedStrings.sol\";\n\n/*\n @dev Library to create SVG image for XENFT metadata\n @dependency depends on DataTime.sol and StringData.sol libraries\n */\nlibrary SVG {\n // Type to encode all data params for SVG image generation\n struct SvgParams {\n string symbol;\n address xenAddress;\n uint256 tokenId;\n uint256 term;\n uint256 rank;\n uint256 count;\n uint256 maturityTs;\n uint256 amp;\n uint256 eaa;\n uint256 xenBurned;\n bool redeemed;\n string series;\n }\n\n // Type to encode SVG gradient stop color on HSL color scale\n struct Color {\n uint256 h;\n uint256 s;\n uint256 l;\n uint256 a;\n uint256 off;\n }\n\n // Type to encode SVG gradient\n struct Gradient {\n Color[] colors;\n uint256 id;\n uint256[4] coords;\n }\n\n using DateTime for uint256;\n using Strings for uint256;\n using FormattedStrings for uint256;\n using Strings for address;\n\n string private constant _STYLE =\n \"<style> \"\n \".base {fill: #ededed;font-family:Montserrat,arial,sans-serif;font-size:30px;font-weight:400;} \"\n \".series {text-transform: uppercase} \"\n \".logo {font-size:200px;font-weight:100;} \"\n \".meta {font-size:12px;} \"\n \".small {font-size:8px;} \"\n \".burn {font-weight:500;font-size:16px;} }\"\n \"</style>\";\n\n string private constant _COLLECTOR =\n \"<g>\"\n \"<path \"\n 'stroke=\"#ededed\" '\n 'fill=\"none\" '\n 'transform=\"translate(265,418)\" '\n 'd=\"m 0 0 L -20 -30 L -12.5 -38.5 l 6.5 7 L 0 -38.5 L 6.56 -31.32 L 12.5 -38.5 L 20 -30 L 0 0 L -7.345 -29.955 L 0 -38.5 L 7.67 -30.04 L 0 0 Z M 0 0 L -20.055 -29.955 l 7.555 -8.545 l 24.965 -0.015 L 20 -30 L -20.055 -29.955\"/>'\n \"</g>\";\n\n string private constant _LIMITED =\n \"<g> \"\n '<path fill=\"#ededed\" '\n 'transform=\"scale(0.4) translate(600, 940)\" '\n 'd=\"M66,38.09q.06.9.18,1.71v.05c1,7.08,4.63,11.39,9.59,13.81,5.18,2.53,11.83,3.09,18.48,2.61,1.49-.11,3-.27,4.39-.47l1.59-.2c4.78-.61,11.47-1.48,13.35-5.06,1.16-2.2,1-5,0-8a38.85,38.85,0,0,0-6.89-11.73A32.24,32.24,0,0,0,95,21.46,21.2,21.2,0,0,0,82.3,20a23.53,23.53,0,0,0-12.75,7,15.66,15.66,0,0,0-2.35,3.46h0a20.83,20.83,0,0,0-1,2.83l-.06.2,0,.12A12,12,0,0,0,66,37.9l0,.19Zm26.9-3.63a5.51,5.51,0,0,1,2.53-4.39,14.19,14.19,0,0,0-5.77-.59h-.16l.06.51a5.57,5.57,0,0,0,2.89,4.22,4.92,4.92,0,0,0,.45.24ZM88.62,28l.94-.09a13.8,13.8,0,0,1,8,1.43,7.88,7.88,0,0,1,3.92,6.19l0,.43a.78.78,0,0,1-.66.84A19.23,19.23,0,0,1,98,37a12.92,12.92,0,0,1-6.31-1.44A7.08,7.08,0,0,1,88,30.23a10.85,10.85,0,0,1-.1-1.44.8.8,0,0,1,.69-.78ZM14.15,10c-.06-5.86,3.44-8.49,8-9.49C26.26-.44,31.24.16,34.73.7A111.14,111.14,0,0,1,56.55,6.4a130.26,130.26,0,0,1,22,10.8,26.25,26.25,0,0,1,3-.78,24.72,24.72,0,0,1,14.83,1.69,36,36,0,0,1,13.09,10.42,42.42,42.42,0,0,1,7.54,12.92c1.25,3.81,1.45,7.6-.23,10.79-2.77,5.25-10.56,6.27-16.12,7l-1.23.16a54.53,54.53,0,0,1-2.81,12.06A108.62,108.62,0,0,1,91.3,84v25.29a9.67,9.67,0,0,1,9.25,10.49c0,.41,0,.81,0,1.18a1.84,1.84,0,0,1-1.84,1.81H86.12a8.8,8.8,0,0,1-5.1-1.56,10.82,10.82,0,0,1-3.35-4,2.13,2.13,0,0,1-.2-.46L73.53,103q-2.73,2.13-5.76,4.16c-1.2.8-2.43,1.59-3.69,2.35l.6.16a8.28,8.28,0,0,1,5.07,4,15.38,15.38,0,0,1,1.71,7.11V121a1.83,1.83,0,0,1-1.83,1.83h-53c-2.58.09-4.47-.52-5.75-1.73A6.49,6.49,0,0,1,9.11,116v-11.2a42.61,42.61,0,0,1-6.34-11A38.79,38.79,0,0,1,1.11,70.29,37,37,0,0,1,13.6,50.54l.1-.09a41.08,41.08,0,0,1,11-6.38c7.39-2.9,17.93-2.77,26-2.68,5.21.06,9.34.11,10.19-.49a4.8,4.8,0,0,0,1-.91,5.11,5.11,0,0,0,.56-.84c0-.26,0-.52-.07-.78a16,16,0,0,1-.06-4.2,98.51,98.51,0,0,0-18.76-3.68c-7.48-.83-15.44-1.19-23.47-1.41l-1.35,0c-2.59,0-4.86,0-7.46-1.67A9,9,0,0,1,8,23.68a9.67,9.67,0,0,1-.91-5A10.91,10.91,0,0,1,8.49,14a8.74,8.74,0,0,1,3.37-3.29A8.2,8.2,0,0,1,14.15,10ZM69.14,22a54.75,54.75,0,0,1,4.94-3.24,124.88,124.88,0,0,0-18.8-9A106.89,106.89,0,0,0,34.17,4.31C31,3.81,26.44,3.25,22.89,4c-2.55.56-4.59,1.92-5,4.79a134.49,134.49,0,0,1,26.3,3.8,115.69,115.69,0,0,1,25,9.4ZM64,28.65c.21-.44.42-.86.66-1.28a15.26,15.26,0,0,1,1.73-2.47,146.24,146.24,0,0,0-14.92-6.2,97.69,97.69,0,0,0-15.34-4A123.57,123.57,0,0,0,21.07,13.2c-3.39-.08-6.3.08-7.47.72a5.21,5.21,0,0,0-2,1.94,7.3,7.3,0,0,0-1,3.12,6.1,6.1,0,0,0,.55,3.11,5.43,5.43,0,0,0,2,2.21c1.73,1.09,3.5,1.1,5.51,1.12h1.43c8.16.23,16.23.59,23.78,1.42a103.41,103.41,0,0,1,19.22,3.76,17.84,17.84,0,0,1,.85-2Zm-.76,15.06-.21.16c-1.82,1.3-6.48,1.24-12.35,1.17C42.91,45,32.79,44.83,26,47.47a37.41,37.41,0,0,0-10,5.81l-.1.08A33.44,33.44,0,0,0,4.66,71.17a35.14,35.14,0,0,0,1.5,21.32A39.47,39.47,0,0,0,12.35,103a1.82,1.82,0,0,1,.42,1.16v12a3.05,3.05,0,0,0,.68,2.37,4.28,4.28,0,0,0,3.16.73H67.68a10,10,0,0,0-1.11-3.69,4.7,4.7,0,0,0-2.87-2.32,15.08,15.08,0,0,0-4.4-.38h-26a1.83,1.83,0,0,1-.15-3.65c5.73-.72,10.35-2.74,13.57-6.25,3.06-3.34,4.91-8.1,5.33-14.45v-.13A18.88,18.88,0,0,0,46.35,75a20.22,20.22,0,0,0-7.41-4.42,23.54,23.54,0,0,0-8.52-1.25c-4.7.19-9.11,1.83-12,4.83a1.83,1.83,0,0,1-2.65-2.52c3.53-3.71,8.86-5.73,14.47-6a27.05,27.05,0,0,1,9.85,1.44,24,24,0,0,1,8.74,5.23,22.48,22.48,0,0,1,6.85,15.82v.08a2.17,2.17,0,0,1,0,.36c-.47,7.25-2.66,12.77-6.3,16.75a21.24,21.24,0,0,1-4.62,3.77H57.35q4.44-2.39,8.39-5c2.68-1.79,5.22-3.69,7.63-5.67a1.82,1.82,0,0,1,2.57.24,1.69,1.69,0,0,1,.35.66L81,115.62a7,7,0,0,0,2.16,2.62,5.06,5.06,0,0,0,3,.9H96.88a6.56,6.56,0,0,0-1.68-4.38,7.19,7.19,0,0,0-4.74-1.83c-.36,0-.69,0-1,0a1.83,1.83,0,0,1-1.83-1.83V83.6a1.75,1.75,0,0,1,.23-.88,105.11,105.11,0,0,0,5.34-12.46,52,52,0,0,0,2.55-10.44l-1.23.1c-7.23.52-14.52-.12-20.34-3A20,20,0,0,1,63.26,43.71Z\"/>'\n \"</g>\";\n\n string private constant _APEX =\n '<g transform=\"scale(0.5) translate(533, 790)\">'\n '<circle r=\"39\" stroke=\"#ededed\" fill=\"transparent\"/>'\n '<path fill=\"#ededed\" '\n 'd=\"M0,38 a38,38 0 0 1 0,-76 a19,19 0 0 1 0,38 a19,19 0 0 0 0,38 z m -5 -57 a 5,5 0 1,0 10,0 a 5,5 0 1,0 -10,0 z\" '\n 'fill-rule=\"evenodd\"/>'\n '<path fill=\"#ededed\" '\n 'd=\"m -5, 19 a 5,5 0 1,0 10,0 a 5,5 0 1,0 -10,0\"/>'\n \"</g>\";\n\n string private constant _LOGO =\n '<path fill=\"#ededed\" '\n 'd=\"M122.7,227.1 l-4.8,0l55.8,-74l0,3.2l-51.8,-69.2l5,0l48.8,65.4l-1.2,0l48.8,-65.4l4.8,0l-51.2,68.4l0,-1.6l55.2,73.2l-5,0l-52.8,-70.2l1.2,0l-52.8,70.2z\" '\n 'vector-effect=\"non-scaling-stroke\" />';\n\n /**\n @dev internal helper to create HSL-encoded color prop for SVG tags\n */\n function colorHSL(Color memory c) internal pure returns (bytes memory) {\n return abi.encodePacked(\"hsl(\", c.h.toString(), \", \", c.s.toString(), \"%, \", c.l.toString(), \"%)\");\n }\n\n /**\n @dev internal helper to create `stop` SVG tag\n */\n function colorStop(Color memory c) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n '<stop stop-color=\"',\n colorHSL(c),\n '\" stop-opacity=\"',\n c.a.toString(),\n '\" offset=\"',\n c.off.toString(),\n '%\"/>'\n );\n }\n\n /**\n @dev internal helper to encode position for `Gradient` SVG tag\n */\n function pos(uint256[4] memory coords) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n 'x1=\"',\n coords[0].toString(),\n '%\" '\n 'y1=\"',\n coords[1].toString(),\n '%\" '\n 'x2=\"',\n coords[2].toString(),\n '%\" '\n 'y2=\"',\n coords[3].toString(),\n '%\" '\n );\n }\n\n /**\n @dev internal helper to create `Gradient` SVG tag\n */\n function linearGradient(\n Color[] memory colors,\n uint256 id,\n uint256[4] memory coords\n ) internal pure returns (bytes memory) {\n string memory stops = \"\";\n for (uint256 i = 0; i < colors.length; i++) {\n if (colors[i].h != 0) {\n stops = string.concat(stops, string(colorStop(colors[i])));\n }\n }\n return\n abi.encodePacked(\n \"<linearGradient \",\n pos(coords),\n 'id=\"g',\n id.toString(),\n '\">',\n stops,\n \"</linearGradient>\"\n );\n }\n\n /**\n @dev internal helper to create `Defs` SVG tag\n */\n function defs(Gradient memory grad) internal pure returns (bytes memory) {\n return abi.encodePacked(\"<defs>\", linearGradient(grad.colors, 0, grad.coords), \"</defs>\");\n }\n\n /**\n @dev internal helper to create `Rect` SVG tag\n */\n function rect(uint256 id) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n \"<rect \"\n 'width=\"100%\" '\n 'height=\"100%\" '\n 'fill=\"url(#g',\n id.toString(),\n ')\" '\n 'rx=\"10px\" '\n 'ry=\"10px\" '\n 'stroke-linejoin=\"round\" '\n \"/>\"\n );\n }\n\n /**\n @dev internal helper to create border `Rect` SVG tag\n */\n function border() internal pure returns (string memory) {\n return\n \"<rect \"\n 'width=\"94%\" '\n 'height=\"96%\" '\n 'fill=\"transparent\" '\n 'rx=\"10px\" '\n 'ry=\"10px\" '\n 'stroke-linejoin=\"round\" '\n 'x=\"3%\" '\n 'y=\"2%\" '\n 'stroke-dasharray=\"1,6\" '\n 'stroke=\"white\" '\n \"/>\";\n }\n\n /**\n @dev internal helper to create group `G` SVG tag\n */\n function g(uint256 gradientsCount) internal pure returns (bytes memory) {\n string memory background = \"\";\n for (uint256 i = 0; i < gradientsCount; i++) {\n background = string.concat(background, string(rect(i)));\n }\n return abi.encodePacked(\"<g>\", background, border(), \"</g>\");\n }\n\n /**\n @dev internal helper to create XEN logo line pattern with 2 SVG `lines`\n */\n function logo() internal pure returns (bytes memory) {\n return abi.encodePacked();\n }\n\n /**\n @dev internal helper to create `Text` SVG tag with XEN Crypto contract data\n */\n function contractData(string memory symbol, address xenAddress) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n \"<text \"\n 'x=\"50%\" '\n 'y=\"5%\" '\n 'class=\"base small\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\">',\n symbol,\n unicode\"・\",\n xenAddress.toHexString(),\n \"</text>\"\n );\n }\n\n /**\n @dev internal helper to create cRank range string\n */\n function rankAndCount(uint256 rank, uint256 count) internal pure returns (bytes memory) {\n if (count == 1) return abi.encodePacked(rank.toString());\n return abi.encodePacked(rank.toString(), \"..\", (rank + count - 1).toString());\n }\n\n /**\n @dev internal helper to create 1st part of metadata section of SVG\n */\n function meta1(\n uint256 tokenId,\n uint256 count,\n uint256 eaa,\n string memory series,\n uint256 xenBurned\n ) internal pure returns (bytes memory) {\n bytes memory part1 = abi.encodePacked(\n \"<text \"\n 'x=\"50%\" '\n 'y=\"50%\" '\n 'class=\"base \" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\">'\n \"XEN CRYPTO\"\n \"</text>\"\n \"<text \"\n 'x=\"50%\" '\n 'y=\"56%\" '\n 'class=\"base burn\" '\n 'text-anchor=\"middle\" '\n 'dominant-baseline=\"middle\"> ',\n xenBurned > 0 ? string.concat((xenBurned / 10**18).toFormattedString(), \" X\") : \"\",\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"62%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\"> '\n \"#\",\n tokenId.toString(),\n \"</text>\"\n \"<text \"\n 'x=\"82%\" '\n 'y=\"62%\" '\n 'class=\"base meta series\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"end\" >',\n series,\n \"</text>\"\n );\n bytes memory part2 = abi.encodePacked(\n \"<text \"\n 'x=\"18%\" '\n 'y=\"68%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"VMU: \",\n count.toString(),\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"72%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"EAA: \",\n (eaa / 10).toString(),\n \"%\"\n \"</text>\"\n );\n return abi.encodePacked(part1, part2);\n }\n\n /**\n @dev internal helper to create 2nd part of metadata section of SVG\n */\n function meta2(\n uint256 maturityTs,\n uint256 amp,\n uint256 term,\n uint256 rank,\n uint256 count\n ) internal pure returns (bytes memory) {\n bytes memory part3 = abi.encodePacked(\n \"<text \"\n 'x=\"18%\" '\n 'y=\"76%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"AMP: \",\n amp.toString(),\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"80%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"Term: \",\n term.toString()\n );\n bytes memory part4 = abi.encodePacked(\n \" days\"\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"84%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"cRank: \",\n rankAndCount(rank, count),\n \"</text>\"\n \"<text \"\n 'x=\"18%\" '\n 'y=\"88%\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" >'\n \"Maturity: \",\n maturityTs.asString(),\n \"</text>\"\n );\n return abi.encodePacked(part3, part4);\n }\n\n /**\n @dev internal helper to create `Text` SVG tag for XEN quote\n */\n function quote(uint256 idx) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n \"<text \"\n 'x=\"50%\" '\n 'y=\"95%\" '\n 'class=\"base small\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\" >',\n StringData.getQuote(StringData.QUOTES, idx),\n \"</text>\"\n );\n }\n\n /**\n @dev internal helper to generate `Redeemed` stamp\n */\n function stamp(bool redeemed) internal pure returns (bytes memory) {\n if (!redeemed) return \"\";\n return\n abi.encodePacked(\n \"<rect \"\n 'x=\"50%\" '\n 'y=\"77.5%\" '\n 'width=\"100\" '\n 'height=\"40\" '\n 'stroke=\"black\" '\n 'stroke-width=\"1\" '\n 'fill=\"none\" '\n 'rx=\"5px\" '\n 'ry=\"5px\" '\n 'transform=\"translate(-50,-20) '\n 'rotate(-20,0,400)\" />',\n \"<text \"\n 'x=\"50%\" '\n 'y=\"77.5%\" '\n 'stroke=\"black\" '\n 'class=\"base meta\" '\n 'dominant-baseline=\"middle\" '\n 'text-anchor=\"middle\" '\n 'transform=\"translate(0,0) rotate(-20,-45,380)\" >'\n \"Redeemed\"\n \"</text>\"\n );\n }\n\n /**\n @dev main internal helper to create SVG file representing XENFT\n */\n function image(\n SvgParams memory params,\n Gradient[] memory gradients,\n uint256 idx,\n bool apex,\n bool limited\n ) internal pure returns (bytes memory) {\n string memory mark = limited ? _LIMITED : apex ? _APEX : _COLLECTOR;\n bytes memory graphics = abi.encodePacked(defs(gradients[0]), _STYLE, g(gradients.length), _LOGO, mark);\n bytes memory metadata = abi.encodePacked(\n contractData(params.symbol, params.xenAddress),\n meta1(params.tokenId, params.count, params.eaa, params.series, params.xenBurned),\n meta2(params.maturityTs, params.amp, params.term, params.rank, params.count),\n quote(idx),\n stamp(params.redeemed)\n );\n return\n abi.encodePacked(\n \"<svg \"\n 'xmlns=\"http://www.w3.org/2000/svg\" '\n 'preserveAspectRatio=\"xMinYMin meet\" '\n 'viewBox=\"0 0 350 566\">',\n graphics,\n metadata,\n \"</svg>\"\n );\n }\n}\n" }, "/contracts/libs/MintInfo.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\n// mapping: NFT tokenId => MintInfo (used in tokenURI generation)\n// MintInfo encoded as:\n// term (uint16)\n// | maturityTs (uint64)\n// | rank (uint128)\n// | amp (uint16)\n// | eaa (uint16)\n// | class (uint8):\n// [7] isApex\n// [6] isLimited\n// [0-5] powerGroupIdx\n// | redeemed (uint8)\nlibrary MintInfo {\n /**\n @dev helper to convert Bool to U256 type and make compiler happy\n */\n function toU256(bool x) internal pure returns (uint256 r) {\n assembly {\n r := x\n }\n }\n\n /**\n @dev encodes MintInfo record from its props\n */\n function encodeMintInfo(\n uint256 term,\n uint256 maturityTs,\n uint256 rank,\n uint256 amp,\n uint256 eaa,\n uint256 class_,\n bool redeemed\n ) public pure returns (uint256 info) {\n info = info | (toU256(redeemed) & 0xFF);\n info = info | ((class_ & 0xFF) << 8);\n info = info | ((eaa & 0xFFFF) << 16);\n info = info | ((amp & 0xFFFF) << 32);\n info = info | ((rank & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) << 48);\n info = info | ((maturityTs & 0xFFFFFFFFFFFFFFFF) << 176);\n info = info | ((term & 0xFFFF) << 240);\n }\n\n /**\n @dev decodes MintInfo record and extracts all of its props\n */\n function decodeMintInfo(uint256 info)\n public\n pure\n returns (\n uint256 term,\n uint256 maturityTs,\n uint256 rank,\n uint256 amp,\n uint256 eaa,\n uint256 class,\n bool apex,\n bool limited,\n bool redeemed\n )\n {\n term = uint16(info >> 240);\n maturityTs = uint64(info >> 176);\n rank = uint128(info >> 48);\n amp = uint16(info >> 32);\n eaa = uint16(info >> 16);\n class = uint8(info >> 8) & 0x3F;\n apex = (uint8(info >> 8) & 0x80) > 0;\n limited = (uint8(info >> 8) & 0x40) > 0;\n redeemed = uint8(info) == 1;\n }\n\n /**\n @dev extracts `term` prop from encoded MintInfo\n */\n function getTerm(uint256 info) public pure returns (uint256 term) {\n (term, , , , , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `maturityTs` prop from encoded MintInfo\n */\n function getMaturityTs(uint256 info) public pure returns (uint256 maturityTs) {\n (, maturityTs, , , , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `rank` prop from encoded MintInfo\n */\n function getRank(uint256 info) public pure returns (uint256 rank) {\n (, , rank, , , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `AMP` prop from encoded MintInfo\n */\n function getAMP(uint256 info) public pure returns (uint256 amp) {\n (, , , amp, , , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `EAA` prop from encoded MintInfo\n */\n function getEAA(uint256 info) public pure returns (uint256 eaa) {\n (, , , , eaa, , , , ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `redeemed` prop from encoded MintInfo\n */\n function getClass(uint256 info)\n public\n pure\n returns (\n uint256 class_,\n bool apex,\n bool limited\n )\n {\n (, , , , , class_, apex, limited, ) = decodeMintInfo(info);\n }\n\n /**\n @dev extracts `redeemed` prop from encoded MintInfo\n */\n function getRedeemed(uint256 info) public pure returns (bool redeemed) {\n (, , , , , , , , redeemed) = decodeMintInfo(info);\n }\n}\n" }, "/contracts/libs/Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\";\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"./MintInfo.sol\";\nimport \"./DateTime.sol\";\nimport \"./FormattedStrings.sol\";\nimport \"./SVG.sol\";\n\n/**\n @dev Library contains methods to generate on-chain NFT metadata\n*/\nlibrary Metadata {\n using DateTime for uint256;\n using MintInfo for uint256;\n using Strings for uint256;\n\n uint256 public constant POWER_GROUP_SIZE = 7_500;\n uint256 public constant MAX_POWER = 52_500;\n\n uint256 public constant COLORS_FULL_SCALE = 300;\n uint256 public constant SPECIAL_LUMINOSITY = 45;\n uint256 public constant BASE_SATURATION = 75;\n uint256 public constant BASE_LUMINOSITY = 38;\n uint256 public constant GROUP_SATURATION = 100;\n uint256 public constant GROUP_LUMINOSITY = 50;\n uint256 public constant DEFAULT_OPACITY = 1;\n uint256 public constant NO_COLOR = 360;\n\n // PRIVATE HELPERS\n\n // The following pure methods returning arrays are workaround to use array constants,\n // not yet available in Solidity\n\n function _powerGroupColors() private pure returns (uint256[8] memory) {\n return [uint256(360), 1, 30, 60, 120, 180, 240, 300];\n }\n\n function _huesApex() private pure returns (uint256[3] memory) {\n return [uint256(169), 210, 305];\n }\n\n function _huesLimited() private pure returns (uint256[3] memory) {\n return [uint256(263), 0, 42];\n }\n\n function _stopOffsets() private pure returns (uint256[3] memory) {\n return [uint256(10), 50, 90];\n }\n\n function _gradColorsRegular() private pure returns (uint256[4] memory) {\n return [uint256(150), 150, 20, 20];\n }\n\n function _gradColorsBlack() private pure returns (uint256[4] memory) {\n return [uint256(100), 100, 20, 20];\n }\n\n function _gradColorsSpecial() private pure returns (uint256[4] memory) {\n return [uint256(100), 100, 0, 0];\n }\n\n /**\n @dev private helper to determine XENFT group index by its power\n (power = count of VMUs * mint term in days)\n */\n function _powerGroup(uint256 vmus, uint256 term) private pure returns (uint256) {\n return (vmus * term) / POWER_GROUP_SIZE;\n }\n\n /**\n @dev private helper to generate SVG gradients for special XENFT categories\n */\n function _specialClassGradients(bool rare) private pure returns (SVG.Gradient[] memory gradients) {\n uint256[3] memory specialColors = rare ? _huesApex() : _huesLimited();\n SVG.Color[] memory colors = new SVG.Color[](3);\n for (uint256 i = 0; i < colors.length; i++) {\n colors[i] = SVG.Color({\n h: specialColors[i],\n s: BASE_SATURATION,\n l: SPECIAL_LUMINOSITY,\n a: DEFAULT_OPACITY,\n off: _stopOffsets()[i]\n });\n }\n gradients = new SVG.Gradient[](1);\n gradients[0] = SVG.Gradient({colors: colors, id: 0, coords: _gradColorsSpecial()});\n }\n\n /**\n @dev private helper to generate SVG gradients for common XENFT category\n */\n function _commonCategoryGradients(uint256 vmus, uint256 term)\n private\n pure\n returns (SVG.Gradient[] memory gradients)\n {\n SVG.Color[] memory colors = new SVG.Color[](2);\n uint256 powerHue = term * vmus > MAX_POWER ? NO_COLOR : 1 + (term * vmus * COLORS_FULL_SCALE) / MAX_POWER;\n // group\n uint256 groupHue = _powerGroupColors()[_powerGroup(vmus, term) > 7 ? 7 : _powerGroup(vmus, term)];\n colors[0] = SVG.Color({\n h: groupHue,\n s: groupHue == NO_COLOR ? 0 : GROUP_SATURATION,\n l: groupHue == NO_COLOR ? 0 : GROUP_LUMINOSITY,\n a: DEFAULT_OPACITY,\n off: _stopOffsets()[0]\n });\n // power\n colors[1] = SVG.Color({\n h: powerHue,\n s: powerHue == NO_COLOR ? 0 : BASE_SATURATION,\n l: powerHue == NO_COLOR ? 0 : BASE_LUMINOSITY,\n a: DEFAULT_OPACITY,\n off: _stopOffsets()[2]\n });\n gradients = new SVG.Gradient[](1);\n gradients[0] = SVG.Gradient({\n colors: colors,\n id: 0,\n coords: groupHue == NO_COLOR ? _gradColorsBlack() : _gradColorsRegular()\n });\n }\n\n // PUBLIC INTERFACE\n\n /**\n @dev public interface to generate SVG image based on XENFT params\n */\n function svgData(\n uint256 tokenId,\n uint256 count,\n uint256 info,\n address token,\n uint256 burned\n ) external view returns (bytes memory) {\n string memory symbol = IERC20Metadata(token).symbol();\n (uint256 classIds, bool rare, bool limited) = info.getClass();\n SVG.SvgParams memory params = SVG.SvgParams({\n symbol: symbol,\n xenAddress: token,\n tokenId: tokenId,\n term: info.getTerm(),\n rank: info.getRank(),\n count: count,\n maturityTs: info.getMaturityTs(),\n amp: info.getAMP(),\n eaa: info.getEAA(),\n xenBurned: burned,\n series: StringData.getClassName(StringData.CLASSES, classIds),\n redeemed: info.getRedeemed()\n });\n uint256 quoteIdx = uint256(keccak256(abi.encode(info))) % StringData.QUOTES_COUNT;\n if (rare || limited) {\n return SVG.image(params, _specialClassGradients(rare), quoteIdx, rare, limited);\n }\n return SVG.image(params, _commonCategoryGradients(count, info.getTerm()), quoteIdx, rare, limited);\n }\n\n function _attr1(\n uint256 count,\n uint256 rank,\n uint256 class_\n ) private pure returns (bytes memory) {\n return\n abi.encodePacked(\n '{\"trait_type\":\"Class\",\"value\":\"',\n StringData.getClassName(StringData.CLASSES, class_),\n '\"},'\n '{\"trait_type\":\"VMUs\",\"value\":\"',\n count.toString(),\n '\"},'\n '{\"trait_type\":\"cRank\",\"value\":\"',\n rank.toString(),\n '\"},'\n );\n }\n\n function _attr2(\n uint256 amp,\n uint256 eaa,\n uint256 maturityTs\n ) private pure returns (bytes memory) {\n (uint256 year, string memory month) = DateTime.yearAndMonth(maturityTs);\n return\n abi.encodePacked(\n '{\"trait_type\":\"AMP\",\"value\":\"',\n amp.toString(),\n '\"},'\n '{\"trait_type\":\"EAA (%)\",\"value\":\"',\n (eaa / 10).toString(),\n '\"},'\n '{\"trait_type\":\"Maturity Year\",\"value\":\"',\n year.toString(),\n '\"},'\n '{\"trait_type\":\"Maturity Month\",\"value\":\"',\n month,\n '\"},'\n );\n }\n\n function _attr3(\n uint256 maturityTs,\n uint256 term,\n uint256 burned\n ) private pure returns (bytes memory) {\n return\n abi.encodePacked(\n '{\"trait_type\":\"Maturity DateTime\",\"value\":\"',\n maturityTs.asString(),\n '\"},'\n '{\"trait_type\":\"Term\",\"value\":\"',\n term.toString(),\n '\"},'\n '{\"trait_type\":\"XEN Burned\",\"value\":\"',\n (burned / 10**18).toString(),\n '\"},'\n );\n }\n\n function _attr4(bool apex, bool limited) private pure returns (bytes memory) {\n string memory category = \"Collector\";\n if (limited) category = \"Limited\";\n if (apex) category = \"Apex\";\n return abi.encodePacked('{\"trait_type\":\"Category\",\"value\":\"', category, '\"}');\n }\n\n /**\n @dev private helper to construct attributes portion of NFT metadata\n */\n function attributes(\n uint256 count,\n uint256 burned,\n uint256 mintInfo\n ) external pure returns (bytes memory) {\n (\n uint256 term,\n uint256 maturityTs,\n uint256 rank,\n uint256 amp,\n uint256 eaa,\n uint256 series,\n bool apex,\n bool limited,\n\n ) = MintInfo.decodeMintInfo(mintInfo);\n return\n abi.encodePacked(\n \"[\",\n _attr1(count, rank, series),\n _attr2(amp, eaa, maturityTs),\n _attr3(maturityTs, term, burned),\n _attr4(apex, limited),\n \"]\"\n );\n }\n\n function formattedString(uint256 n) public pure returns (string memory) {\n return FormattedStrings.toFormattedString(n);\n }\n}\n" }, "/contracts/libs/FormattedStrings.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nlibrary FormattedStrings {\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n Base on OpenZeppelin `toString` method from `String` library\n */\n function toFormattedString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n uint256 pos;\n uint256 comas = digits / 3;\n digits = digits + (digits % 3 == 0 ? comas - 1 : comas);\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n if (pos == 3) {\n buffer[digits] = \",\";\n pos = 0;\n } else {\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n pos++;\n }\n }\n return string(buffer);\n }\n}\n" }, "/contracts/libs/ERC2771Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (metatx/ERC2771Context.sol)\n\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/utils/Context.sol\";\n\n/**\n * @dev Context variant with ERC2771 support.\n */\nabstract contract ERC2771Context is Context {\n /// @custom:oz-upgrades-unsafe-allow state-variable-immutable\n // one-time settable var\n address internal _trustedForwarder;\n\n /// @custom:oz-upgrades-unsafe-allow constructor\n constructor(address trustedForwarder) {\n _trustedForwarder = trustedForwarder;\n }\n\n function isTrustedForwarder(address forwarder) public view virtual returns (bool) {\n return forwarder == _trustedForwarder;\n }\n\n function _msgSender() internal view virtual override returns (address sender) {\n if (isTrustedForwarder(msg.sender)) {\n // The assembly code is more direct than the Solidity version using `abi.decode`.\n /// @solidity memory-safe-assembly\n assembly {\n sender := shr(96, calldataload(sub(calldatasize(), 20)))\n }\n } else {\n return super._msgSender();\n }\n }\n\n function _msgData() internal view virtual override returns (bytes calldata) {\n if (isTrustedForwarder(msg.sender)) {\n return msg.data[:msg.data.length - 20];\n } else {\n return super._msgData();\n }\n }\n}\n" }, "/contracts/libs/DateTime.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"./BokkyPooBahsDateTimeLibrary.sol\";\n\n/*\n @dev Library to convert epoch timestamp to a human-readable Date-Time string\n @dependency uses BokkyPooBahsDateTimeLibrary.sol library internally\n */\nlibrary DateTime {\n using Strings for uint256;\n\n bytes public constant MONTHS = bytes(\"JanFebMarAprMayJunJulAugSepOctNovDec\");\n\n /**\n * @dev returns month as short (3-letter) string\n */\n function monthAsString(uint256 idx) internal pure returns (string memory) {\n require(idx > 0, \"bad idx\");\n bytes memory str = new bytes(3);\n uint256 offset = (idx - 1) * 3;\n str[0] = bytes1(MONTHS[offset]);\n str[1] = bytes1(MONTHS[offset + 1]);\n str[2] = bytes1(MONTHS[offset + 2]);\n return string(str);\n }\n\n /**\n * @dev returns string representation of number left-padded for 2 symbols\n */\n function asPaddedString(uint256 n) internal pure returns (string memory) {\n if (n == 0) return \"00\";\n if (n < 10) return string.concat(\"0\", n.toString());\n return n.toString();\n }\n\n /**\n * @dev returns string of format 'Jan 01, 2022 18:00 UTC' for a given timestamp\n */\n function asString(uint256 ts) external pure returns (string memory) {\n (uint256 year, uint256 month, uint256 day, uint256 hour, uint256 minute, ) = BokkyPooBahsDateTimeLibrary\n .timestampToDateTime(ts);\n return\n string(\n abi.encodePacked(\n monthAsString(month),\n \" \",\n day.toString(),\n \", \",\n year.toString(),\n \" \",\n asPaddedString(hour),\n \":\",\n asPaddedString(minute),\n \" UTC\"\n )\n );\n }\n\n /**\n * @dev returns (year, month as string) components of a date by timestamp\n */\n function yearAndMonth(uint256 ts) external pure returns (uint256, string memory) {\n (uint256 year, uint256 month, , , , ) = BokkyPooBahsDateTimeLibrary.timestampToDateTime(ts);\n return (year, monthAsString(month));\n }\n}\n" }, "/contracts/libs/BokkyPooBahsDateTimeLibrary.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\n// ----------------------------------------------------------------------------\n// BokkyPooBah's DateTime Library v1.01\n//\n// A gas-efficient Solidity date and time library\n//\n// https://github.com/bokkypoobah/BokkyPooBahsDateTimeLibrary\n//\n// Tested date range 1970/01/01 to 2345/12/31\n//\n// Conventions:\n// Unit | Range | Notes\n// :-------- |:-------------:|:-----\n// timestamp | >= 0 | Unix timestamp, number of seconds since 1970/01/01 00:00:00 UTC\n// year | 1970 ... 2345 |\n// month | 1 ... 12 |\n// day | 1 ... 31 |\n// hour | 0 ... 23 |\n// minute | 0 ... 59 |\n// second | 0 ... 59 |\n// dayOfWeek | 1 ... 7 | 1 = Monday, ..., 7 = Sunday\n//\n//\n// Enjoy. (c) BokkyPooBah / Bok Consulting Pty Ltd 2018-2019. The MIT Licence.\n// ----------------------------------------------------------------------------\n\nlibrary BokkyPooBahsDateTimeLibrary {\n uint256 constant _SECONDS_PER_DAY = 24 * 60 * 60;\n uint256 constant _SECONDS_PER_HOUR = 60 * 60;\n uint256 constant _SECONDS_PER_MINUTE = 60;\n int256 constant _OFFSET19700101 = 2440588;\n\n uint256 constant _DOW_FRI = 5;\n uint256 constant _DOW_SAT = 6;\n\n // ------------------------------------------------------------------------\n // Calculate the number of days from 1970/01/01 to year/month/day using\n // the date conversion algorithm from\n // https://aa.usno.navy.mil/faq/JD_formula.html\n // and subtracting the offset 2440588 so that 1970/01/01 is day 0\n //\n // days = day\n // - 32075\n // + 1461 * (year + 4800 + (month - 14) / 12) / 4\n // + 367 * (month - 2 - (month - 14) / 12 * 12) / 12\n // - 3 * ((year + 4900 + (month - 14) / 12) / 100) / 4\n // - offset\n // ------------------------------------------------------------------------\n function _daysFromDate(\n uint256 year,\n uint256 month,\n uint256 day\n ) private pure returns (uint256 _days) {\n require(year >= 1970);\n int256 _year = int256(year);\n int256 _month = int256(month);\n int256 _day = int256(day);\n\n int256 __days = _day -\n 32075 +\n (1461 * (_year + 4800 + (_month - 14) / 12)) /\n 4 +\n (367 * (_month - 2 - ((_month - 14) / 12) * 12)) /\n 12 -\n (3 * ((_year + 4900 + (_month - 14) / 12) / 100)) /\n 4 -\n _OFFSET19700101;\n\n _days = uint256(__days);\n }\n\n // ------------------------------------------------------------------------\n // Calculate year/month/day from the number of days since 1970/01/01 using\n // the date conversion algorithm from\n // http://aa.usno.navy.mil/faq/docs/JD_Formula.php\n // and adding the offset 2440588 so that 1970/01/01 is day 0\n //\n // int L = days + 68569 + offset\n // int N = 4 * L / 146097\n // L = L - (146097 * N + 3) / 4\n // year = 4000 * (L + 1) / 1461001\n // L = L - 1461 * year / 4 + 31\n // month = 80 * L / 2447\n // dd = L - 2447 * month / 80\n // L = month / 11\n // month = month + 2 - 12 * L\n // year = 100 * (N - 49) + year + L\n // ------------------------------------------------------------------------\n function _daysToDate(uint256 _days)\n private\n pure\n returns (\n uint256 year,\n uint256 month,\n uint256 day\n )\n {\n int256 __days = int256(_days);\n\n int256 L = __days + 68569 + _OFFSET19700101;\n int256 N = (4 * L) / 146097;\n L = L - (146097 * N + 3) / 4;\n int256 _year = (4000 * (L + 1)) / 1461001;\n L = L - (1461 * _year) / 4 + 31;\n int256 _month = (80 * L) / 2447;\n int256 _day = L - (2447 * _month) / 80;\n L = _month / 11;\n _month = _month + 2 - 12 * L;\n _year = 100 * (N - 49) + _year + L;\n\n year = uint256(_year);\n month = uint256(_month);\n day = uint256(_day);\n }\n\n function timestampFromDate(\n uint256 year,\n uint256 month,\n uint256 day\n ) internal pure returns (uint256 timestamp) {\n timestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY;\n }\n\n function timestampFromDateTime(\n uint256 year,\n uint256 month,\n uint256 day,\n uint256 hour,\n uint256 minute,\n uint256 second\n ) internal pure returns (uint256 timestamp) {\n timestamp =\n _daysFromDate(year, month, day) *\n _SECONDS_PER_DAY +\n hour *\n _SECONDS_PER_HOUR +\n minute *\n _SECONDS_PER_MINUTE +\n second;\n }\n\n function timestampToDate(uint256 timestamp)\n internal\n pure\n returns (\n uint256 year,\n uint256 month,\n uint256 day\n )\n {\n (year, month, day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function timestampToDateTime(uint256 timestamp)\n internal\n pure\n returns (\n uint256 year,\n uint256 month,\n uint256 day,\n uint256 hour,\n uint256 minute,\n uint256 second\n )\n {\n (year, month, day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n uint256 secs = timestamp % _SECONDS_PER_DAY;\n hour = secs / _SECONDS_PER_HOUR;\n secs = secs % _SECONDS_PER_HOUR;\n minute = secs / _SECONDS_PER_MINUTE;\n second = secs % _SECONDS_PER_MINUTE;\n }\n\n function isValidDate(\n uint256 year,\n uint256 month,\n uint256 day\n ) internal pure returns (bool valid) {\n if (year >= 1970 && month > 0 && month <= 12) {\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > 0 && day <= daysInMonth) {\n valid = true;\n }\n }\n }\n\n function isValidDateTime(\n uint256 year,\n uint256 month,\n uint256 day,\n uint256 hour,\n uint256 minute,\n uint256 second\n ) internal pure returns (bool valid) {\n if (isValidDate(year, month, day)) {\n if (hour < 24 && minute < 60 && second < 60) {\n valid = true;\n }\n }\n }\n\n function isLeapYear(uint256 timestamp) internal pure returns (bool leapYear) {\n (uint256 year, , ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n leapYear = _isLeapYear(year);\n }\n\n function _isLeapYear(uint256 year) private pure returns (bool leapYear) {\n leapYear = ((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0);\n }\n\n function isWeekDay(uint256 timestamp) internal pure returns (bool weekDay) {\n weekDay = getDayOfWeek(timestamp) <= _DOW_FRI;\n }\n\n function isWeekEnd(uint256 timestamp) internal pure returns (bool weekEnd) {\n weekEnd = getDayOfWeek(timestamp) >= _DOW_SAT;\n }\n\n function getDaysInMonth(uint256 timestamp) internal pure returns (uint256 daysInMonth) {\n (uint256 year, uint256 month, ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n daysInMonth = _getDaysInMonth(year, month);\n }\n\n function _getDaysInMonth(uint256 year, uint256 month) private pure returns (uint256 daysInMonth) {\n if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12) {\n daysInMonth = 31;\n } else if (month != 2) {\n daysInMonth = 30;\n } else {\n daysInMonth = _isLeapYear(year) ? 29 : 28;\n }\n }\n\n // 1 = Monday, 7 = Sunday\n function getDayOfWeek(uint256 timestamp) internal pure returns (uint256 dayOfWeek) {\n uint256 _days = timestamp / _SECONDS_PER_DAY;\n dayOfWeek = ((_days + 3) % 7) + 1;\n }\n\n function getYear(uint256 timestamp) internal pure returns (uint256 year) {\n (year, , ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function getMonth(uint256 timestamp) internal pure returns (uint256 month) {\n (, month, ) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function getDay(uint256 timestamp) internal pure returns (uint256 day) {\n (, , day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n }\n\n function getHour(uint256 timestamp) internal pure returns (uint256 hour) {\n uint256 secs = timestamp % _SECONDS_PER_DAY;\n hour = secs / _SECONDS_PER_HOUR;\n }\n\n function getMinute(uint256 timestamp) internal pure returns (uint256 minute) {\n uint256 secs = timestamp % _SECONDS_PER_HOUR;\n minute = secs / _SECONDS_PER_MINUTE;\n }\n\n function getSecond(uint256 timestamp) internal pure returns (uint256 second) {\n second = timestamp % _SECONDS_PER_MINUTE;\n }\n\n function addYears(uint256 timestamp, uint256 _years) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n year += _years;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp >= timestamp);\n }\n\n function addMonths(uint256 timestamp, uint256 _months) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n month += _months;\n year += (month - 1) / 12;\n month = ((month - 1) % 12) + 1;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp >= timestamp);\n }\n\n function addDays(uint256 timestamp, uint256 _days) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _days * _SECONDS_PER_DAY;\n require(newTimestamp >= timestamp);\n }\n\n function addHours(uint256 timestamp, uint256 _hours) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _hours * _SECONDS_PER_HOUR;\n require(newTimestamp >= timestamp);\n }\n\n function addMinutes(uint256 timestamp, uint256 _minutes) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _minutes * _SECONDS_PER_MINUTE;\n require(newTimestamp >= timestamp);\n }\n\n function addSeconds(uint256 timestamp, uint256 _seconds) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp + _seconds;\n require(newTimestamp >= timestamp);\n }\n\n function subYears(uint256 timestamp, uint256 _years) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n year -= _years;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp <= timestamp);\n }\n\n function subMonths(uint256 timestamp, uint256 _months) internal pure returns (uint256 newTimestamp) {\n (uint256 year, uint256 month, uint256 day) = _daysToDate(timestamp / _SECONDS_PER_DAY);\n uint256 yearMonth = year * 12 + (month - 1) - _months;\n year = yearMonth / 12;\n month = (yearMonth % 12) + 1;\n uint256 daysInMonth = _getDaysInMonth(year, month);\n if (day > daysInMonth) {\n day = daysInMonth;\n }\n newTimestamp = _daysFromDate(year, month, day) * _SECONDS_PER_DAY + (timestamp % _SECONDS_PER_DAY);\n require(newTimestamp <= timestamp);\n }\n\n function subDays(uint256 timestamp, uint256 _days) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _days * _SECONDS_PER_DAY;\n require(newTimestamp <= timestamp);\n }\n\n function subHours(uint256 timestamp, uint256 _hours) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _hours * _SECONDS_PER_HOUR;\n require(newTimestamp <= timestamp);\n }\n\n function subMinutes(uint256 timestamp, uint256 _minutes) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _minutes * _SECONDS_PER_MINUTE;\n require(newTimestamp <= timestamp);\n }\n\n function subSeconds(uint256 timestamp, uint256 _seconds) internal pure returns (uint256 newTimestamp) {\n newTimestamp = timestamp - _seconds;\n require(newTimestamp <= timestamp);\n }\n\n function diffYears(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _years) {\n require(fromTimestamp <= toTimestamp);\n (uint256 fromYear, , ) = _daysToDate(fromTimestamp / _SECONDS_PER_DAY);\n (uint256 toYear, , ) = _daysToDate(toTimestamp / _SECONDS_PER_DAY);\n _years = toYear - fromYear;\n }\n\n function diffMonths(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _months) {\n require(fromTimestamp <= toTimestamp);\n (uint256 fromYear, uint256 fromMonth, ) = _daysToDate(fromTimestamp / _SECONDS_PER_DAY);\n (uint256 toYear, uint256 toMonth, ) = _daysToDate(toTimestamp / _SECONDS_PER_DAY);\n _months = toYear * 12 + toMonth - fromYear * 12 - fromMonth;\n }\n\n function diffDays(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _days) {\n require(fromTimestamp <= toTimestamp);\n _days = (toTimestamp - fromTimestamp) / _SECONDS_PER_DAY;\n }\n\n function diffHours(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _hours) {\n require(fromTimestamp <= toTimestamp);\n _hours = (toTimestamp - fromTimestamp) / _SECONDS_PER_HOUR;\n }\n\n function diffMinutes(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _minutes) {\n require(fromTimestamp <= toTimestamp);\n _minutes = (toTimestamp - fromTimestamp) / _SECONDS_PER_MINUTE;\n }\n\n function diffSeconds(uint256 fromTimestamp, uint256 toTimestamp) internal pure returns (uint256 _seconds) {\n require(fromTimestamp <= toTimestamp);\n _seconds = toTimestamp - fromTimestamp;\n }\n}\n" }, "/contracts/libs/Array.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nlibrary Array {\n function idx(uint256[] memory arr, uint256 item) internal pure returns (uint256 i) {\n for (i = 1; i <= arr.length; i++) {\n if (arr[i - 1] == item) {\n return i;\n }\n }\n i = 0;\n }\n\n function addItem(uint256[] storage arr, uint256 item) internal {\n if (idx(arr, item) == 0) {\n arr.push(item);\n }\n }\n\n function removeItem(uint256[] storage arr, uint256 item) internal {\n uint256 i = idx(arr, item);\n if (i > 0) {\n arr[i - 1] = arr[arr.length - 1];\n arr.pop();\n }\n }\n\n function contains(uint256[] memory container, uint256[] memory items) internal pure returns (bool) {\n if (items.length == 0) return true;\n for (uint256 i = 0; i < items.length; i++) {\n bool itemIsContained = false;\n for (uint256 j = 0; j < container.length; j++) {\n itemIsContained = items[i] == container[j];\n }\n if (!itemIsContained) return false;\n }\n return true;\n }\n\n function asSingletonArray(uint256 element) internal pure returns (uint256[] memory) {\n uint256[] memory array = new uint256[](1);\n array[0] = element;\n return array;\n }\n\n function hasDuplicatesOrZeros(uint256[] memory array) internal pure returns (bool) {\n for (uint256 i = 0; i < array.length; i++) {\n if (array[i] == 0) return true;\n for (uint256 j = 0; j < array.length; j++) {\n if (array[i] == array[j] && i != j) return true;\n }\n }\n return false;\n }\n\n function hasRoguesOrZeros(uint256[] memory array) internal pure returns (bool) {\n uint256 _first = array[0];\n for (uint256 i = 0; i < array.length; i++) {\n if (array[i] == 0 || array[i] != _first) return true;\n }\n return false;\n }\n}\n" }, "/contracts/interfaces/IXENTorrent.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IXENTorrent {\n event StartTorrent(address indexed user, uint256 count, uint256 term);\n event EndTorrent(address indexed user, uint256 tokenId, address to);\n\n function bulkClaimRank(uint256 count, uint256 term) external returns (uint256);\n\n function bulkClaimMintReward(uint256 tokenId, address to) external;\n}\n" }, "/contracts/interfaces/IXENProxying.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IXENProxying {\n function callClaimRank(uint256 term) external;\n\n function callClaimMintReward(address to) external;\n\n function powerDown() external;\n}\n" }, "/contracts/interfaces/IERC2771.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IERC2771 {\n function isTrustedForwarder(address forwarder) external;\n}\n" }, "operator-filter-registry/src/OperatorFilterer.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {IOperatorFilterRegistry} from \"./IOperatorFilterRegistry.sol\";\n\n/**\n * @title OperatorFilterer\n * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another\n * registrant's entries in the OperatorFilterRegistry.\n * @dev This smart contract is meant to be inherited by token contracts so they can use the following:\n * - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.\n * - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.\n */\nabstract contract OperatorFilterer {\n error OperatorNotAllowed(address operator);\n\n IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =\n IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);\n\n constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {\n // If an inheriting token contract is deployed to a network without the registry deployed, the modifier\n // will not revert, but the contract will need to be registered with the registry once it is deployed in\n // order for the modifier to filter addresses.\n if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n if (subscribe) {\n OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);\n } else {\n if (subscriptionOrRegistrantToCopy != address(0)) {\n OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);\n } else {\n OPERATOR_FILTER_REGISTRY.register(address(this));\n }\n }\n }\n }\n\n modifier onlyAllowedOperator(address from) virtual {\n // Allow spending tokens from addresses with balance\n // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred\n // from an EOA.\n if (from != msg.sender) {\n _checkFilterOperator(msg.sender);\n }\n _;\n }\n\n modifier onlyAllowedOperatorApproval(address operator) virtual {\n _checkFilterOperator(operator);\n _;\n }\n\n function _checkFilterOperator(address operator) internal view virtual {\n // Check registry code length to facilitate testing in environments without a deployed registry.\n if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {\n revert OperatorNotAllowed(operator);\n }\n }\n }\n}\n" }, "operator-filter-registry/src/IOperatorFilterRegistry.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\ninterface IOperatorFilterRegistry {\n function isOperatorAllowed(address registrant, address operator) external view returns (bool);\n function register(address registrant) external;\n function registerAndSubscribe(address registrant, address subscription) external;\n function registerAndCopyEntries(address registrant, address registrantToCopy) external;\n function unregister(address addr) external;\n function updateOperator(address registrant, address operator, bool filtered) external;\n function updateOperators(address registrant, address[] calldata operators, bool filtered) external;\n function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;\n function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;\n function subscribe(address registrant, address registrantToSubscribe) external;\n function unsubscribe(address registrant, bool copyExistingEntries) external;\n function subscriptionOf(address addr) external returns (address registrant);\n function subscribers(address registrant) external returns (address[] memory);\n function subscriberAt(address registrant, uint256 index) external returns (address);\n function copyEntriesOf(address registrant, address registrantToCopy) external;\n function isOperatorFiltered(address registrant, address operator) external returns (bool);\n function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);\n function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);\n function filteredOperators(address addr) external returns (address[] memory);\n function filteredCodeHashes(address addr) external returns (bytes32[] memory);\n function filteredOperatorAt(address registrant, uint256 index) external returns (address);\n function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);\n function isRegistered(address addr) external returns (bool);\n function codeHashOf(address addr) external returns (bytes32);\n}\n" }, "operator-filter-registry/src/DefaultOperatorFilterer.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.13;\n\nimport {OperatorFilterer} from \"./OperatorFilterer.sol\";\n\n/**\n * @title DefaultOperatorFilterer\n * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.\n */\nabstract contract DefaultOperatorFilterer is OperatorFilterer {\n address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);\n\n constructor() OperatorFilterer(DEFAULT_SUBSCRIPTION, true) {}\n}\n" }, "abdk-libraries-solidity/ABDKMath64x64.sol": { "content": "// SPDX-License-Identifier: BSD-4-Clause\n/*\n * ABDK Math 64.64 Smart Contract Library. Copyright © 2019 by ABDK Consulting.\n * Author: Mikhail Vladimirov <mikhail.vladimirov@gmail.com>\n */\npragma solidity ^0.8.0;\n\n/**\n * Smart contract library of mathematical functions operating with signed\n * 64.64-bit fixed point numbers. Signed 64.64-bit fixed point number is\n * basically a simple fraction whose numerator is signed 128-bit integer and\n * denominator is 2^64. As long as denominator is always the same, there is no\n * need to store it, thus in Solidity signed 64.64-bit fixed point numbers are\n * represented by int128 type holding only the numerator.\n */\nlibrary ABDKMath64x64 {\n /*\n * Minimum value signed 64.64-bit fixed point number may have. \n */\n int128 private constant MIN_64x64 = -0x80000000000000000000000000000000;\n\n /*\n * Maximum value signed 64.64-bit fixed point number may have. \n */\n int128 private constant MAX_64x64 = 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF;\n\n /**\n * Convert signed 256-bit integer number into signed 64.64-bit fixed point\n * number. Revert on overflow.\n *\n * @param x signed 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function fromInt (int256 x) internal pure returns (int128) {\n unchecked {\n require (x >= -0x8000000000000000 && x <= 0x7FFFFFFFFFFFFFFF);\n return int128 (x << 64);\n }\n }\n\n /**\n * Convert signed 64.64 fixed point number into signed 64-bit integer number\n * rounding down.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64-bit integer number\n */\n function toInt (int128 x) internal pure returns (int64) {\n unchecked {\n return int64 (x >> 64);\n }\n }\n\n /**\n * Convert unsigned 256-bit integer number into signed 64.64-bit fixed point\n * number. Revert on overflow.\n *\n * @param x unsigned 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function fromUInt (uint256 x) internal pure returns (int128) {\n unchecked {\n require (x <= 0x7FFFFFFFFFFFFFFF);\n return int128 (int256 (x << 64));\n }\n }\n\n /**\n * Convert signed 64.64 fixed point number into unsigned 64-bit integer\n * number rounding down. Revert on underflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return unsigned 64-bit integer number\n */\n function toUInt (int128 x) internal pure returns (uint64) {\n unchecked {\n require (x >= 0);\n return uint64 (uint128 (x >> 64));\n }\n }\n\n /**\n * Convert signed 128.128 fixed point number into signed 64.64-bit fixed point\n * number rounding down. Revert on overflow.\n *\n * @param x signed 128.128-bin fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function from128x128 (int256 x) internal pure returns (int128) {\n unchecked {\n int256 result = x >> 64;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Convert signed 64.64 fixed point number into signed 128.128 fixed point\n * number.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 128.128 fixed point number\n */\n function to128x128 (int128 x) internal pure returns (int256) {\n unchecked {\n return int256 (x) << 64;\n }\n }\n\n /**\n * Calculate x + y. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function add (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 result = int256(x) + y;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x - y. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function sub (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 result = int256(x) - y;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x * y rounding down. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function mul (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 result = int256(x) * y >> 64;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x * y rounding towards zero, where x is signed 64.64 fixed point\n * number and y is signed 256-bit integer number. Revert on overflow.\n *\n * @param x signed 64.64 fixed point number\n * @param y signed 256-bit integer number\n * @return signed 256-bit integer number\n */\n function muli (int128 x, int256 y) internal pure returns (int256) {\n unchecked {\n if (x == MIN_64x64) {\n require (y >= -0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF &&\n y <= 0x1000000000000000000000000000000000000000000000000);\n return -y << 63;\n } else {\n bool negativeResult = false;\n if (x < 0) {\n x = -x;\n negativeResult = true;\n }\n if (y < 0) {\n y = -y; // We rely on overflow behavior here\n negativeResult = !negativeResult;\n }\n uint256 absoluteResult = mulu (x, uint256 (y));\n if (negativeResult) {\n require (absoluteResult <=\n 0x8000000000000000000000000000000000000000000000000000000000000000);\n return -int256 (absoluteResult); // We rely on overflow behavior here\n } else {\n require (absoluteResult <=\n 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n return int256 (absoluteResult);\n }\n }\n }\n }\n\n /**\n * Calculate x * y rounding down, where x is signed 64.64 fixed point number\n * and y is unsigned 256-bit integer number. Revert on overflow.\n *\n * @param x signed 64.64 fixed point number\n * @param y unsigned 256-bit integer number\n * @return unsigned 256-bit integer number\n */\n function mulu (int128 x, uint256 y) internal pure returns (uint256) {\n unchecked {\n if (y == 0) return 0;\n\n require (x >= 0);\n\n uint256 lo = (uint256 (int256 (x)) * (y & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) >> 64;\n uint256 hi = uint256 (int256 (x)) * (y >> 128);\n\n require (hi <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n hi <<= 64;\n\n require (hi <=\n 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF - lo);\n return hi + lo;\n }\n }\n\n /**\n * Calculate x / y rounding towards zero. Revert on overflow or when y is\n * zero.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function div (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n require (y != 0);\n int256 result = (int256 (x) << 64) / y;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate x / y rounding towards zero, where x and y are signed 256-bit\n * integer numbers. Revert on overflow or when y is zero.\n *\n * @param x signed 256-bit integer number\n * @param y signed 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function divi (int256 x, int256 y) internal pure returns (int128) {\n unchecked {\n require (y != 0);\n\n bool negativeResult = false;\n if (x < 0) {\n x = -x; // We rely on overflow behavior here\n negativeResult = true;\n }\n if (y < 0) {\n y = -y; // We rely on overflow behavior here\n negativeResult = !negativeResult;\n }\n uint128 absoluteResult = divuu (uint256 (x), uint256 (y));\n if (negativeResult) {\n require (absoluteResult <= 0x80000000000000000000000000000000);\n return -int128 (absoluteResult); // We rely on overflow behavior here\n } else {\n require (absoluteResult <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n return int128 (absoluteResult); // We rely on overflow behavior here\n }\n }\n }\n\n /**\n * Calculate x / y rounding towards zero, where x and y are unsigned 256-bit\n * integer numbers. Revert on overflow or when y is zero.\n *\n * @param x unsigned 256-bit integer number\n * @param y unsigned 256-bit integer number\n * @return signed 64.64-bit fixed point number\n */\n function divu (uint256 x, uint256 y) internal pure returns (int128) {\n unchecked {\n require (y != 0);\n uint128 result = divuu (x, y);\n require (result <= uint128 (MAX_64x64));\n return int128 (result);\n }\n }\n\n /**\n * Calculate -x. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function neg (int128 x) internal pure returns (int128) {\n unchecked {\n require (x != MIN_64x64);\n return -x;\n }\n }\n\n /**\n * Calculate |x|. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function abs (int128 x) internal pure returns (int128) {\n unchecked {\n require (x != MIN_64x64);\n return x < 0 ? -x : x;\n }\n }\n\n /**\n * Calculate 1 / x rounding towards zero. Revert on overflow or when x is\n * zero.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function inv (int128 x) internal pure returns (int128) {\n unchecked {\n require (x != 0);\n int256 result = int256 (0x100000000000000000000000000000000) / x;\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate arithmetics average of x and y, i.e. (x + y) / 2 rounding down.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function avg (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n return int128 ((int256 (x) + int256 (y)) >> 1);\n }\n }\n\n /**\n * Calculate geometric average of x and y, i.e. sqrt (x * y) rounding down.\n * Revert on overflow or in case x * y is negative.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function gavg (int128 x, int128 y) internal pure returns (int128) {\n unchecked {\n int256 m = int256 (x) * int256 (y);\n require (m >= 0);\n require (m <\n 0x4000000000000000000000000000000000000000000000000000000000000000);\n return int128 (sqrtu (uint256 (m)));\n }\n }\n\n /**\n * Calculate x^y assuming 0^0 is 1, where x is signed 64.64 fixed point number\n * and y is unsigned 256-bit integer number. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @param y uint256 value\n * @return signed 64.64-bit fixed point number\n */\n function pow (int128 x, uint256 y) internal pure returns (int128) {\n unchecked {\n bool negative = x < 0 && y & 1 == 1;\n\n uint256 absX = uint128 (x < 0 ? -x : x);\n uint256 absResult;\n absResult = 0x100000000000000000000000000000000;\n\n if (absX <= 0x10000000000000000) {\n absX <<= 63;\n while (y != 0) {\n if (y & 0x1 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n if (y & 0x2 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n if (y & 0x4 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n if (y & 0x8 != 0) {\n absResult = absResult * absX >> 127;\n }\n absX = absX * absX >> 127;\n\n y >>= 4;\n }\n\n absResult >>= 64;\n } else {\n uint256 absXShift = 63;\n if (absX < 0x1000000000000000000000000) { absX <<= 32; absXShift -= 32; }\n if (absX < 0x10000000000000000000000000000) { absX <<= 16; absXShift -= 16; }\n if (absX < 0x1000000000000000000000000000000) { absX <<= 8; absXShift -= 8; }\n if (absX < 0x10000000000000000000000000000000) { absX <<= 4; absXShift -= 4; }\n if (absX < 0x40000000000000000000000000000000) { absX <<= 2; absXShift -= 2; }\n if (absX < 0x80000000000000000000000000000000) { absX <<= 1; absXShift -= 1; }\n\n uint256 resultShift = 0;\n while (y != 0) {\n require (absXShift < 64);\n\n if (y & 0x1 != 0) {\n absResult = absResult * absX >> 127;\n resultShift += absXShift;\n if (absResult > 0x100000000000000000000000000000000) {\n absResult >>= 1;\n resultShift += 1;\n }\n }\n absX = absX * absX >> 127;\n absXShift <<= 1;\n if (absX >= 0x100000000000000000000000000000000) {\n absX >>= 1;\n absXShift += 1;\n }\n\n y >>= 1;\n }\n\n require (resultShift < 64);\n absResult >>= 64 - resultShift;\n }\n int256 result = negative ? -int256 (absResult) : int256 (absResult);\n require (result >= MIN_64x64 && result <= MAX_64x64);\n return int128 (result);\n }\n }\n\n /**\n * Calculate sqrt (x) rounding down. Revert if x < 0.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function sqrt (int128 x) internal pure returns (int128) {\n unchecked {\n require (x >= 0);\n return int128 (sqrtu (uint256 (int256 (x)) << 64));\n }\n }\n\n /**\n * Calculate binary logarithm of x. Revert if x <= 0.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function log_2 (int128 x) internal pure returns (int128) {\n unchecked {\n require (x > 0);\n\n int256 msb = 0;\n int256 xc = x;\n if (xc >= 0x10000000000000000) { xc >>= 64; msb += 64; }\n if (xc >= 0x100000000) { xc >>= 32; msb += 32; }\n if (xc >= 0x10000) { xc >>= 16; msb += 16; }\n if (xc >= 0x100) { xc >>= 8; msb += 8; }\n if (xc >= 0x10) { xc >>= 4; msb += 4; }\n if (xc >= 0x4) { xc >>= 2; msb += 2; }\n if (xc >= 0x2) msb += 1; // No need to shift xc anymore\n\n int256 result = msb - 64 << 64;\n uint256 ux = uint256 (int256 (x)) << uint256 (127 - msb);\n for (int256 bit = 0x8000000000000000; bit > 0; bit >>= 1) {\n ux *= ux;\n uint256 b = ux >> 255;\n ux >>= 127 + b;\n result += bit * int256 (b);\n }\n\n return int128 (result);\n }\n }\n\n /**\n * Calculate natural logarithm of x. Revert if x <= 0.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function ln (int128 x) internal pure returns (int128) {\n unchecked {\n require (x > 0);\n\n return int128 (int256 (\n uint256 (int256 (log_2 (x))) * 0xB17217F7D1CF79ABC9E3B39803F2F6AF >> 128));\n }\n }\n\n /**\n * Calculate binary exponent of x. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function exp_2 (int128 x) internal pure returns (int128) {\n unchecked {\n require (x < 0x400000000000000000); // Overflow\n\n if (x < -0x400000000000000000) return 0; // Underflow\n\n uint256 result = 0x80000000000000000000000000000000;\n\n if (x & 0x8000000000000000 > 0)\n result = result * 0x16A09E667F3BCC908B2FB1366EA957D3E >> 128;\n if (x & 0x4000000000000000 > 0)\n result = result * 0x1306FE0A31B7152DE8D5A46305C85EDEC >> 128;\n if (x & 0x2000000000000000 > 0)\n result = result * 0x1172B83C7D517ADCDF7C8C50EB14A791F >> 128;\n if (x & 0x1000000000000000 > 0)\n result = result * 0x10B5586CF9890F6298B92B71842A98363 >> 128;\n if (x & 0x800000000000000 > 0)\n result = result * 0x1059B0D31585743AE7C548EB68CA417FD >> 128;\n if (x & 0x400000000000000 > 0)\n result = result * 0x102C9A3E778060EE6F7CACA4F7A29BDE8 >> 128;\n if (x & 0x200000000000000 > 0)\n result = result * 0x10163DA9FB33356D84A66AE336DCDFA3F >> 128;\n if (x & 0x100000000000000 > 0)\n result = result * 0x100B1AFA5ABCBED6129AB13EC11DC9543 >> 128;\n if (x & 0x80000000000000 > 0)\n result = result * 0x10058C86DA1C09EA1FF19D294CF2F679B >> 128;\n if (x & 0x40000000000000 > 0)\n result = result * 0x1002C605E2E8CEC506D21BFC89A23A00F >> 128;\n if (x & 0x20000000000000 > 0)\n result = result * 0x100162F3904051FA128BCA9C55C31E5DF >> 128;\n if (x & 0x10000000000000 > 0)\n result = result * 0x1000B175EFFDC76BA38E31671CA939725 >> 128;\n if (x & 0x8000000000000 > 0)\n result = result * 0x100058BA01FB9F96D6CACD4B180917C3D >> 128;\n if (x & 0x4000000000000 > 0)\n result = result * 0x10002C5CC37DA9491D0985C348C68E7B3 >> 128;\n if (x & 0x2000000000000 > 0)\n result = result * 0x1000162E525EE054754457D5995292026 >> 128;\n if (x & 0x1000000000000 > 0)\n result = result * 0x10000B17255775C040618BF4A4ADE83FC >> 128;\n if (x & 0x800000000000 > 0)\n result = result * 0x1000058B91B5BC9AE2EED81E9B7D4CFAB >> 128;\n if (x & 0x400000000000 > 0)\n result = result * 0x100002C5C89D5EC6CA4D7C8ACC017B7C9 >> 128;\n if (x & 0x200000000000 > 0)\n result = result * 0x10000162E43F4F831060E02D839A9D16D >> 128;\n if (x & 0x100000000000 > 0)\n result = result * 0x100000B1721BCFC99D9F890EA06911763 >> 128;\n if (x & 0x80000000000 > 0)\n result = result * 0x10000058B90CF1E6D97F9CA14DBCC1628 >> 128;\n if (x & 0x40000000000 > 0)\n result = result * 0x1000002C5C863B73F016468F6BAC5CA2B >> 128;\n if (x & 0x20000000000 > 0)\n result = result * 0x100000162E430E5A18F6119E3C02282A5 >> 128;\n if (x & 0x10000000000 > 0)\n result = result * 0x1000000B1721835514B86E6D96EFD1BFE >> 128;\n if (x & 0x8000000000 > 0)\n result = result * 0x100000058B90C0B48C6BE5DF846C5B2EF >> 128;\n if (x & 0x4000000000 > 0)\n result = result * 0x10000002C5C8601CC6B9E94213C72737A >> 128;\n if (x & 0x2000000000 > 0)\n result = result * 0x1000000162E42FFF037DF38AA2B219F06 >> 128;\n if (x & 0x1000000000 > 0)\n result = result * 0x10000000B17217FBA9C739AA5819F44F9 >> 128;\n if (x & 0x800000000 > 0)\n result = result * 0x1000000058B90BFCDEE5ACD3C1CEDC823 >> 128;\n if (x & 0x400000000 > 0)\n result = result * 0x100000002C5C85FE31F35A6A30DA1BE50 >> 128;\n if (x & 0x200000000 > 0)\n result = result * 0x10000000162E42FF0999CE3541B9FFFCF >> 128;\n if (x & 0x100000000 > 0)\n result = result * 0x100000000B17217F80F4EF5AADDA45554 >> 128;\n if (x & 0x80000000 > 0)\n result = result * 0x10000000058B90BFBF8479BD5A81B51AD >> 128;\n if (x & 0x40000000 > 0)\n result = result * 0x1000000002C5C85FDF84BD62AE30A74CC >> 128;\n if (x & 0x20000000 > 0)\n result = result * 0x100000000162E42FEFB2FED257559BDAA >> 128;\n if (x & 0x10000000 > 0)\n result = result * 0x1000000000B17217F7D5A7716BBA4A9AE >> 128;\n if (x & 0x8000000 > 0)\n result = result * 0x100000000058B90BFBE9DDBAC5E109CCE >> 128;\n if (x & 0x4000000 > 0)\n result = result * 0x10000000002C5C85FDF4B15DE6F17EB0D >> 128;\n if (x & 0x2000000 > 0)\n result = result * 0x1000000000162E42FEFA494F1478FDE05 >> 128;\n if (x & 0x1000000 > 0)\n result = result * 0x10000000000B17217F7D20CF927C8E94C >> 128;\n if (x & 0x800000 > 0)\n result = result * 0x1000000000058B90BFBE8F71CB4E4B33D >> 128;\n if (x & 0x400000 > 0)\n result = result * 0x100000000002C5C85FDF477B662B26945 >> 128;\n if (x & 0x200000 > 0)\n result = result * 0x10000000000162E42FEFA3AE53369388C >> 128;\n if (x & 0x100000 > 0)\n result = result * 0x100000000000B17217F7D1D351A389D40 >> 128;\n if (x & 0x80000 > 0)\n result = result * 0x10000000000058B90BFBE8E8B2D3D4EDE >> 128;\n if (x & 0x40000 > 0)\n result = result * 0x1000000000002C5C85FDF4741BEA6E77E >> 128;\n if (x & 0x20000 > 0)\n result = result * 0x100000000000162E42FEFA39FE95583C2 >> 128;\n if (x & 0x10000 > 0)\n result = result * 0x1000000000000B17217F7D1CFB72B45E1 >> 128;\n if (x & 0x8000 > 0)\n result = result * 0x100000000000058B90BFBE8E7CC35C3F0 >> 128;\n if (x & 0x4000 > 0)\n result = result * 0x10000000000002C5C85FDF473E242EA38 >> 128;\n if (x & 0x2000 > 0)\n result = result * 0x1000000000000162E42FEFA39F02B772C >> 128;\n if (x & 0x1000 > 0)\n result = result * 0x10000000000000B17217F7D1CF7D83C1A >> 128;\n if (x & 0x800 > 0)\n result = result * 0x1000000000000058B90BFBE8E7BDCBE2E >> 128;\n if (x & 0x400 > 0)\n result = result * 0x100000000000002C5C85FDF473DEA871F >> 128;\n if (x & 0x200 > 0)\n result = result * 0x10000000000000162E42FEFA39EF44D91 >> 128;\n if (x & 0x100 > 0)\n result = result * 0x100000000000000B17217F7D1CF79E949 >> 128;\n if (x & 0x80 > 0)\n result = result * 0x10000000000000058B90BFBE8E7BCE544 >> 128;\n if (x & 0x40 > 0)\n result = result * 0x1000000000000002C5C85FDF473DE6ECA >> 128;\n if (x & 0x20 > 0)\n result = result * 0x100000000000000162E42FEFA39EF366F >> 128;\n if (x & 0x10 > 0)\n result = result * 0x1000000000000000B17217F7D1CF79AFA >> 128;\n if (x & 0x8 > 0)\n result = result * 0x100000000000000058B90BFBE8E7BCD6D >> 128;\n if (x & 0x4 > 0)\n result = result * 0x10000000000000002C5C85FDF473DE6B2 >> 128;\n if (x & 0x2 > 0)\n result = result * 0x1000000000000000162E42FEFA39EF358 >> 128;\n if (x & 0x1 > 0)\n result = result * 0x10000000000000000B17217F7D1CF79AB >> 128;\n\n result >>= uint256 (int256 (63 - (x >> 64)));\n require (result <= uint256 (int256 (MAX_64x64)));\n\n return int128 (int256 (result));\n }\n }\n\n /**\n * Calculate natural exponent of x. Revert on overflow.\n *\n * @param x signed 64.64-bit fixed point number\n * @return signed 64.64-bit fixed point number\n */\n function exp (int128 x) internal pure returns (int128) {\n unchecked {\n require (x < 0x400000000000000000); // Overflow\n\n if (x < -0x400000000000000000) return 0; // Underflow\n\n return exp_2 (\n int128 (int256 (x) * 0x171547652B82FE1777D0FFDA0D23A7D12 >> 128));\n }\n }\n\n /**\n * Calculate x / y rounding towards zero, where x and y are unsigned 256-bit\n * integer numbers. Revert on overflow or when y is zero.\n *\n * @param x unsigned 256-bit integer number\n * @param y unsigned 256-bit integer number\n * @return unsigned 64.64-bit fixed point number\n */\n function divuu (uint256 x, uint256 y) private pure returns (uint128) {\n unchecked {\n require (y != 0);\n\n uint256 result;\n\n if (x <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)\n result = (x << 64) / y;\n else {\n uint256 msb = 192;\n uint256 xc = x >> 192;\n if (xc >= 0x100000000) { xc >>= 32; msb += 32; }\n if (xc >= 0x10000) { xc >>= 16; msb += 16; }\n if (xc >= 0x100) { xc >>= 8; msb += 8; }\n if (xc >= 0x10) { xc >>= 4; msb += 4; }\n if (xc >= 0x4) { xc >>= 2; msb += 2; }\n if (xc >= 0x2) msb += 1; // No need to shift xc anymore\n\n result = (x << 255 - msb) / ((y - 1 >> msb - 191) + 1);\n require (result <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n\n uint256 hi = result * (y >> 128);\n uint256 lo = result * (y & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n\n uint256 xh = x >> 192;\n uint256 xl = x << 64;\n\n if (xl < lo) xh -= 1;\n xl -= lo; // We rely on overflow behavior here\n lo = hi << 128;\n if (xl < lo) xh -= 1;\n xl -= lo; // We rely on overflow behavior here\n\n assert (xh == hi >> 128);\n\n result += xl / y;\n }\n\n require (result <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF);\n return uint128 (result);\n }\n }\n\n /**\n * Calculate sqrt (x) rounding down, where x is unsigned 256-bit integer\n * number.\n *\n * @param x unsigned 256-bit integer number\n * @return unsigned 128-bit integer number\n */\n function sqrtu (uint256 x) private pure returns (uint128) {\n unchecked {\n if (x == 0) return 0;\n else {\n uint256 xx = x;\n uint256 r = 1;\n if (xx >= 0x100000000000000000000000000000000) { xx >>= 128; r <<= 64; }\n if (xx >= 0x10000000000000000) { xx >>= 64; r <<= 32; }\n if (xx >= 0x100000000) { xx >>= 32; r <<= 16; }\n if (xx >= 0x10000) { xx >>= 16; r <<= 8; }\n if (xx >= 0x100) { xx >>= 8; r <<= 4; }\n if (xx >= 0x10) { xx >>= 4; r <<= 2; }\n if (xx >= 0x4) { r <<= 1; }\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1;\n r = (r + x / r) >> 1; // Seven iterations should be enough\n uint256 r1 = x / r;\n return uint128 (r < r1 ? r : r1);\n }\n }\n }\n}\n" }, "@openzeppelin/contracts/utils/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/utils/introspection/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n" }, "@openzeppelin/contracts/utils/Strings.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n uint8 private constant _ADDRESS_LENGTH = 20;\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\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 if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n\n /**\n * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n */\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n }\n}\n" }, "@openzeppelin/contracts/utils/Context.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n" }, "@openzeppelin/contracts/utils/Base64.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Base64.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides a set of functions to operate with Base64 strings.\n *\n * _Available since v4.5._\n */\nlibrary Base64 {\n /**\n * @dev Base64 Encoding/Decoding Table\n */\n string internal constant _TABLE = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\n /**\n * @dev Converts a `bytes` to its Bytes64 `string` representation.\n */\n function encode(bytes memory data) internal pure returns (string memory) {\n /**\n * Inspired by Brecht Devos (Brechtpd) implementation - MIT licence\n * https://github.com/Brechtpd/base64/blob/e78d9fd951e7b0977ddca77d92dc85183770daf4/base64.sol\n */\n if (data.length == 0) return \"\";\n\n // Loads the table into memory\n string memory table = _TABLE;\n\n // Encoding takes 3 bytes chunks of binary data from `bytes` data parameter\n // and split into 4 numbers of 6 bits.\n // The final Base64 length should be `bytes` data length multiplied by 4/3 rounded up\n // - `data.length + 2` -> Round up\n // - `/ 3` -> Number of 3-bytes chunks\n // - `4 *` -> 4 characters for each chunk\n string memory result = new string(4 * ((data.length + 2) / 3));\n\n /// @solidity memory-safe-assembly\n assembly {\n // Prepare the lookup table (skip the first \"length\" byte)\n let tablePtr := add(table, 1)\n\n // Prepare result pointer, jump over length\n let resultPtr := add(result, 32)\n\n // Run over the input, 3 bytes at a time\n for {\n let dataPtr := data\n let endPtr := add(data, mload(data))\n } lt(dataPtr, endPtr) {\n\n } {\n // Advance 3 bytes\n dataPtr := add(dataPtr, 3)\n let input := mload(dataPtr)\n\n // To write each character, shift the 3 bytes (18 bits) chunk\n // 4 times in blocks of 6 bits for each character (18, 12, 6, 0)\n // and apply logical AND with 0x3F which is the number of\n // the previous character in the ASCII table prior to the Base64 Table\n // The result is then added to the table to get the character to write,\n // and finally write it in the result pointer but with a left shift\n // of 256 (1 byte) - 8 (1 ASCII char) = 248 bits\n\n mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n\n mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n\n mstore8(resultPtr, mload(add(tablePtr, and(shr(6, input), 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n\n mstore8(resultPtr, mload(add(tablePtr, and(input, 0x3F))))\n resultPtr := add(resultPtr, 1) // Advance\n }\n\n // When data `bytes` is not exactly 3 bytes long\n // it is padded with `=` characters at the end\n switch mod(mload(data), 3)\n case 1 {\n mstore8(sub(resultPtr, 1), 0x3d)\n mstore8(sub(resultPtr, 2), 0x3d)\n }\n case 2 {\n mstore8(sub(resultPtr, 1), 0x3d)\n }\n }\n\n return result;\n }\n}\n" }, "@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @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}\n" }, "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Metadata is IERC721 {\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC721/ERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC721.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"./extensions/IERC721Metadata.sol\";\nimport \"../../utils/Address.sol\";\nimport \"../../utils/Context.sol\";\nimport \"../../utils/Strings.sol\";\nimport \"../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including\n * the Metadata extension, but not including the Enumerable extension, which is available separately as\n * {ERC721Enumerable}.\n */\ncontract ERC721 is Context, ERC165, IERC721, IERC721Metadata {\n using Address for address;\n using Strings for uint256;\n\n // Token name\n string private _name;\n\n // Token symbol\n string private _symbol;\n\n // Mapping from token ID to owner address\n mapping(uint256 => address) private _owners;\n\n // Mapping owner address to token count\n mapping(address => uint256) private _balances;\n\n // Mapping from token ID to approved address\n mapping(uint256 => address) private _tokenApprovals;\n\n // Mapping from owner to operator approvals\n mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n /**\n * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.\n */\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return\n interfaceId == type(IERC721).interfaceId ||\n interfaceId == type(IERC721Metadata).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev See {IERC721-balanceOf}.\n */\n function balanceOf(address owner) public view virtual override returns (uint256) {\n require(owner != address(0), \"ERC721: address zero is not a valid owner\");\n return _balances[owner];\n }\n\n /**\n * @dev See {IERC721-ownerOf}.\n */\n function ownerOf(uint256 tokenId) public view virtual override returns (address) {\n address owner = _owners[tokenId];\n require(owner != address(0), \"ERC721: invalid token ID\");\n return owner;\n }\n\n /**\n * @dev See {IERC721Metadata-name}.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev See {IERC721Metadata-symbol}.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev See {IERC721Metadata-tokenURI}.\n */\n function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n _requireMinted(tokenId);\n\n string memory baseURI = _baseURI();\n return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : \"\";\n }\n\n /**\n * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n * by default, can be overridden in child contracts.\n */\n function _baseURI() internal view virtual returns (string memory) {\n return \"\";\n }\n\n /**\n * @dev See {IERC721-approve}.\n */\n function approve(address to, uint256 tokenId) public virtual override {\n address owner = ERC721.ownerOf(tokenId);\n require(to != owner, \"ERC721: approval to current owner\");\n\n require(\n _msgSender() == owner || isApprovedForAll(owner, _msgSender()),\n \"ERC721: approve caller is not token owner nor approved for all\"\n );\n\n _approve(to, tokenId);\n }\n\n /**\n * @dev See {IERC721-getApproved}.\n */\n function getApproved(uint256 tokenId) public view virtual override returns (address) {\n _requireMinted(tokenId);\n\n return _tokenApprovals[tokenId];\n }\n\n /**\n * @dev See {IERC721-setApprovalForAll}.\n */\n function setApprovalForAll(address operator, bool approved) public virtual override {\n _setApprovalForAll(_msgSender(), operator, approved);\n }\n\n /**\n * @dev See {IERC721-isApprovedForAll}.\n */\n function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n return _operatorApprovals[owner][operator];\n }\n\n /**\n * @dev See {IERC721-transferFrom}.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n //solhint-disable-next-line max-line-length\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721: caller is not token owner nor approved\");\n\n _transfer(from, to, tokenId);\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) public virtual override {\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721: caller is not token owner nor approved\");\n _safeTransfer(from, to, tokenId, data);\n }\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * `data` is additional data, it has no specified format and it is sent in call to `to`.\n *\n * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.\n * implement alternative mechanisms to perform token transfer, such as signature-based.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function _safeTransfer(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) internal virtual {\n _transfer(from, to, tokenId);\n require(_checkOnERC721Received(from, to, tokenId, data), \"ERC721: transfer to non ERC721Receiver implementer\");\n }\n\n /**\n * @dev Returns whether `tokenId` exists.\n *\n * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n *\n * Tokens start existing when they are minted (`_mint`),\n * and stop existing when they are burned (`_burn`).\n */\n function _exists(uint256 tokenId) internal view virtual returns (bool) {\n return _owners[tokenId] != address(0);\n }\n\n /**\n * @dev Returns whether `spender` is allowed to manage `tokenId`.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {\n address owner = ERC721.ownerOf(tokenId);\n return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);\n }\n\n /**\n * @dev Safely mints `tokenId` and transfers it to `to`.\n *\n * Requirements:\n *\n * - `tokenId` must not exist.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function _safeMint(address to, uint256 tokenId) internal virtual {\n _safeMint(to, tokenId, \"\");\n }\n\n /**\n * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is\n * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.\n */\n function _safeMint(\n address to,\n uint256 tokenId,\n bytes memory data\n ) internal virtual {\n _mint(to, tokenId);\n require(\n _checkOnERC721Received(address(0), to, tokenId, data),\n \"ERC721: transfer to non ERC721Receiver implementer\"\n );\n }\n\n /**\n * @dev Mints `tokenId` and transfers it to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible\n *\n * Requirements:\n *\n * - `tokenId` must not exist.\n * - `to` cannot be the zero address.\n *\n * Emits a {Transfer} event.\n */\n function _mint(address to, uint256 tokenId) internal virtual {\n require(to != address(0), \"ERC721: mint to the zero address\");\n require(!_exists(tokenId), \"ERC721: token already minted\");\n\n _beforeTokenTransfer(address(0), to, tokenId);\n\n _balances[to] += 1;\n _owners[tokenId] = to;\n\n emit Transfer(address(0), to, tokenId);\n\n _afterTokenTransfer(address(0), to, tokenId);\n }\n\n /**\n * @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n *\n * Emits a {Transfer} event.\n */\n function _burn(uint256 tokenId) internal virtual {\n address owner = ERC721.ownerOf(tokenId);\n\n _beforeTokenTransfer(owner, address(0), tokenId);\n\n // Clear approvals\n _approve(address(0), tokenId);\n\n _balances[owner] -= 1;\n delete _owners[tokenId];\n\n emit Transfer(owner, address(0), tokenId);\n\n _afterTokenTransfer(owner, address(0), tokenId);\n }\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n * As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n *\n * Emits a {Transfer} event.\n */\n function _transfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {\n require(ERC721.ownerOf(tokenId) == from, \"ERC721: transfer from incorrect owner\");\n require(to != address(0), \"ERC721: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, tokenId);\n\n // Clear approvals from the previous owner\n _approve(address(0), tokenId);\n\n _balances[from] -= 1;\n _balances[to] += 1;\n _owners[tokenId] = to;\n\n emit Transfer(from, to, tokenId);\n\n _afterTokenTransfer(from, to, tokenId);\n }\n\n /**\n * @dev Approve `to` to operate on `tokenId`\n *\n * Emits an {Approval} event.\n */\n function _approve(address to, uint256 tokenId) internal virtual {\n _tokenApprovals[tokenId] = to;\n emit Approval(ERC721.ownerOf(tokenId), to, tokenId);\n }\n\n /**\n * @dev Approve `operator` to operate on all of `owner` tokens\n *\n * Emits an {ApprovalForAll} event.\n */\n function _setApprovalForAll(\n address owner,\n address operator,\n bool approved\n ) internal virtual {\n require(owner != operator, \"ERC721: approve to caller\");\n _operatorApprovals[owner][operator] = approved;\n emit ApprovalForAll(owner, operator, approved);\n }\n\n /**\n * @dev Reverts if the `tokenId` has not been minted yet.\n */\n function _requireMinted(uint256 tokenId) internal view virtual {\n require(_exists(tokenId), \"ERC721: invalid token ID\");\n }\n\n /**\n * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.\n * The call is not executed if the target address is not a contract.\n *\n * @param from address representing the previous owner of the given token ID\n * @param to target address that will receive the tokens\n * @param tokenId uint256 ID of the token to be transferred\n * @param data bytes optional data to send along with the call\n * @return bool whether the call correctly returned the expected magic value\n */\n function _checkOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) private returns (bool) {\n if (to.isContract()) {\n try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {\n return retval == IERC721Receiver.onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert(\"ERC721: transfer to non ERC721Receiver implementer\");\n } else {\n /// @solidity memory-safe-assembly\n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n } else {\n return true;\n }\n }\n\n /**\n * @dev Hook that is called before any token transfer. This includes minting\n * and burning.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be\n * transferred to `to`.\n * - When `from` is zero, `tokenId` will be minted for `to`.\n * - When `to` is zero, ``from``'s `tokenId` will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {}\n}\n" }, "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\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 v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC20/ERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.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 * For a generic mechanism see {ERC20PresetMinterPauser}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\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 *\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n */\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n mapping(address => uint256) private _balances;\n\n mapping(address => mapping(address => 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 * The default value of {decimals} is 18. To select a different value for\n * {decimals} you should overload it.\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 override 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 override 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 value {ERC20} uses, unless this function is\n * 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 override returns (uint8) {\n return 18;\n }\n\n /**\n * @dev See {IERC20-totalSupply}.\n */\n function totalSupply() public view virtual override returns (uint256) {\n return _totalSupply;\n }\n\n /**\n * @dev See {IERC20-balanceOf}.\n */\n function balanceOf(address account) public view virtual override 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 `amount`.\n */\n function transfer(address to, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-allowance}.\n */\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /**\n * @dev See {IERC20-approve}.\n *\n * NOTE: If `amount` 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 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, amount);\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 `amount`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `amount`.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual override returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, amount);\n _transfer(from, to, amount);\n return true;\n }\n\n /**\n * @dev Atomically increases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, allowance(owner, spender) + addedValue);\n return true;\n }\n\n /**\n * @dev Atomically decreases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n * - `spender` must have allowance for the caller of at least\n * `subtractedValue`.\n */\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n address owner = _msgSender();\n uint256 currentAllowance = allowance(owner, spender);\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n unchecked {\n _approve(owner, spender, currentAllowance - subtractedValue);\n }\n\n return true;\n }\n\n /**\n * @dev Moves `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 * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n */\n function _transfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {\n require(from != address(0), \"ERC20: transfer from the zero address\");\n require(to != address(0), \"ERC20: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, amount);\n\n uint256 fromBalance = _balances[from];\n require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n unchecked {\n _balances[from] = fromBalance - amount;\n }\n _balances[to] += amount;\n\n emit Transfer(from, to, amount);\n\n _afterTokenTransfer(from, to, amount);\n }\n\n /** @dev Creates `amount` tokens and assigns them to `account`, increasing\n * the total supply.\n *\n * Emits a {Transfer} event with `from` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function _mint(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: mint to the zero address\");\n\n _beforeTokenTransfer(address(0), account, amount);\n\n _totalSupply += amount;\n _balances[account] += amount;\n emit Transfer(address(0), account, amount);\n\n _afterTokenTransfer(address(0), account, amount);\n }\n\n /**\n * @dev Destroys `amount` tokens from `account`, reducing the\n * total supply.\n *\n * Emits a {Transfer} event with `to` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n * - `account` must have at least `amount` tokens.\n */\n function _burn(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: burn from the zero address\");\n\n _beforeTokenTransfer(account, address(0), amount);\n\n uint256 accountBalance = _balances[account];\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n unchecked {\n _balances[account] = accountBalance - amount;\n }\n _totalSupply -= amount;\n\n emit Transfer(account, address(0), amount);\n\n _afterTokenTransfer(account, address(0), amount);\n }\n\n /**\n * @dev Sets `amount` 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 function _approve(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n\n /**\n * @dev Updates `owner` s allowance for `spender` based on spent `amount`.\n *\n * Does not update the allowance amount in case of infinite allowance.\n * Revert if not enough allowance is available.\n *\n * Might emit an {Approval} event.\n */\n function _spendAllowance(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n unchecked {\n _approve(owner, spender, currentAllowance - amount);\n }\n }\n }\n\n /**\n * @dev Hook that is called before any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * will be transferred to `to`.\n * - when `from` is zero, `amount` tokens will be minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * has been transferred to `to`.\n * - when `from` is zero, `amount` tokens have been minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n}\n" }, "@openzeppelin/contracts/interfaces/IERC2981.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n * _Available since v4.5._\n */\ninterface IERC2981 is IERC165 {\n /**\n * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.\n */\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n returns (address receiver, uint256 royaltyAmount);\n}\n" }, "@openzeppelin/contracts/interfaces/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (interfaces/IERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/introspection/IERC165.sol\";\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IStakingToken.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IStakingToken {\n event Staked(address indexed user, uint256 amount, uint256 term);\n\n event Withdrawn(address indexed user, uint256 amount, uint256 reward);\n\n function stake(uint256 amount, uint256 term) external;\n\n function withdraw() external;\n}\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IRankedMintingToken.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IRankedMintingToken {\n event RankClaimed(address indexed user, uint256 term, uint256 rank);\n\n event MintClaimed(address indexed user, uint256 rewardAmount);\n\n function claimRank(uint256 term) external;\n\n function claimMintReward() external;\n}\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IBurnableToken.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IBurnableToken {\n function burn(address user, uint256 amount) external;\n}\n" }, "@faircrypto/xen-crypto/contracts/interfaces/IBurnRedeemable.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\ninterface IBurnRedeemable {\n event Redeemed(\n address indexed user,\n address indexed xenContract,\n address indexed tokenContract,\n uint256 xenAmount,\n uint256 tokenAmount\n );\n\n function onTokenBurned(address user, uint256 amount) external;\n}\n" }, "@faircrypto/xen-crypto/contracts/XENCrypto.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"./Math.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"@openzeppelin/contracts/interfaces/IERC165.sol\";\nimport \"abdk-libraries-solidity/ABDKMath64x64.sol\";\nimport \"./interfaces/IStakingToken.sol\";\nimport \"./interfaces/IRankedMintingToken.sol\";\nimport \"./interfaces/IBurnableToken.sol\";\nimport \"./interfaces/IBurnRedeemable.sol\";\n\ncontract XENCrypto is Context, IRankedMintingToken, IStakingToken, IBurnableToken, ERC20(\"XEN Crypto\", \"XEN\") {\n using Math for uint256;\n using ABDKMath64x64 for int128;\n using ABDKMath64x64 for uint256;\n\n // INTERNAL TYPE TO DESCRIBE A XEN MINT INFO\n struct MintInfo {\n address user;\n uint256 term;\n uint256 maturityTs;\n uint256 rank;\n uint256 amplifier;\n uint256 eaaRate;\n }\n\n // INTERNAL TYPE TO DESCRIBE A XEN STAKE\n struct StakeInfo {\n uint256 term;\n uint256 maturityTs;\n uint256 amount;\n uint256 apy;\n }\n\n // PUBLIC CONSTANTS\n\n uint256 public constant SECONDS_IN_DAY = 3_600 * 24;\n uint256 public constant DAYS_IN_YEAR = 365;\n\n uint256 public constant GENESIS_RANK = 1;\n\n uint256 public constant MIN_TERM = 1 * SECONDS_IN_DAY - 1;\n uint256 public constant MAX_TERM_START = 100 * SECONDS_IN_DAY;\n uint256 public constant MAX_TERM_END = 1_000 * SECONDS_IN_DAY;\n uint256 public constant TERM_AMPLIFIER = 15;\n uint256 public constant TERM_AMPLIFIER_THRESHOLD = 5_000;\n uint256 public constant REWARD_AMPLIFIER_START = 3_000;\n uint256 public constant REWARD_AMPLIFIER_END = 1;\n uint256 public constant EAA_PM_START = 100;\n uint256 public constant EAA_PM_STEP = 1;\n uint256 public constant EAA_RANK_STEP = 100_000;\n uint256 public constant WITHDRAWAL_WINDOW_DAYS = 7;\n uint256 public constant MAX_PENALTY_PCT = 99;\n\n uint256 public constant XEN_MIN_STAKE = 0;\n\n uint256 public constant XEN_MIN_BURN = 0;\n\n uint256 public constant XEN_APY_START = 20;\n uint256 public constant XEN_APY_DAYS_STEP = 90;\n uint256 public constant XEN_APY_END = 2;\n\n string public constant AUTHORS = \"@MrJackLevin @lbelyaev faircrypto.org\";\n\n // PUBLIC STATE, READABLE VIA NAMESAKE GETTERS\n\n uint256 public immutable genesisTs;\n uint256 public globalRank = GENESIS_RANK;\n uint256 public activeMinters;\n uint256 public activeStakes;\n uint256 public totalXenStaked;\n // user address => XEN mint info\n mapping(address => MintInfo) public userMints;\n // user address => XEN stake info\n mapping(address => StakeInfo) public userStakes;\n // user address => XEN burn amount\n mapping(address => uint256) public userBurns;\n\n // CONSTRUCTOR\n constructor() {\n genesisTs = block.timestamp;\n }\n\n // PRIVATE METHODS\n\n /**\n * @dev calculates current MaxTerm based on Global Rank\n * (if Global Rank crosses over TERM_AMPLIFIER_THRESHOLD)\n */\n function _calculateMaxTerm() private view returns (uint256) {\n if (globalRank > TERM_AMPLIFIER_THRESHOLD) {\n uint256 delta = globalRank.fromUInt().log_2().mul(TERM_AMPLIFIER.fromUInt()).toUInt();\n uint256 newMax = MAX_TERM_START + delta * SECONDS_IN_DAY;\n return Math.min(newMax, MAX_TERM_END);\n }\n return MAX_TERM_START;\n }\n\n /**\n * @dev calculates Withdrawal Penalty depending on lateness\n */\n function _penalty(uint256 secsLate) private pure returns (uint256) {\n // =MIN(2^(daysLate+3)/window-1,99)\n uint256 daysLate = secsLate / SECONDS_IN_DAY;\n if (daysLate > WITHDRAWAL_WINDOW_DAYS - 1) return MAX_PENALTY_PCT;\n uint256 penalty = (uint256(1) << (daysLate + 3)) / WITHDRAWAL_WINDOW_DAYS - 1;\n return Math.min(penalty, MAX_PENALTY_PCT);\n }\n\n /**\n * @dev calculates net Mint Reward (adjusted for Penalty)\n */\n function _calculateMintReward(\n uint256 cRank,\n uint256 term,\n uint256 maturityTs,\n uint256 amplifier,\n uint256 eeaRate\n ) private view returns (uint256) {\n uint256 secsLate = block.timestamp - maturityTs;\n uint256 penalty = _penalty(secsLate);\n uint256 rankDelta = Math.max(globalRank - cRank, 2);\n uint256 EAA = (1_000 + eeaRate);\n uint256 reward = getGrossReward(rankDelta, amplifier, term, EAA);\n return (reward * (100 - penalty)) / 100;\n }\n\n /**\n * @dev cleans up User Mint storage (gets some Gas credit;))\n */\n function _cleanUpUserMint() private {\n delete userMints[_msgSender()];\n activeMinters--;\n }\n\n /**\n * @dev calculates XEN Stake Reward\n */\n function _calculateStakeReward(\n uint256 amount,\n uint256 term,\n uint256 maturityTs,\n uint256 apy\n ) private view returns (uint256) {\n if (block.timestamp > maturityTs) {\n uint256 rate = (apy * term * 1_000_000) / DAYS_IN_YEAR;\n return (amount * rate) / 100_000_000;\n }\n return 0;\n }\n\n /**\n * @dev calculates Reward Amplifier\n */\n function _calculateRewardAmplifier() private view returns (uint256) {\n uint256 amplifierDecrease = (block.timestamp - genesisTs) / SECONDS_IN_DAY;\n if (amplifierDecrease < REWARD_AMPLIFIER_START) {\n return Math.max(REWARD_AMPLIFIER_START - amplifierDecrease, REWARD_AMPLIFIER_END);\n } else {\n return REWARD_AMPLIFIER_END;\n }\n }\n\n /**\n * @dev calculates Early Adopter Amplifier Rate (in 1/000ths)\n * actual EAA is (1_000 + EAAR) / 1_000\n */\n function _calculateEAARate() private view returns (uint256) {\n uint256 decrease = (EAA_PM_STEP * globalRank) / EAA_RANK_STEP;\n if (decrease > EAA_PM_START) return 0;\n return EAA_PM_START - decrease;\n }\n\n /**\n * @dev calculates APY (in %)\n */\n function _calculateAPY() private view returns (uint256) {\n uint256 decrease = (block.timestamp - genesisTs) / (SECONDS_IN_DAY * XEN_APY_DAYS_STEP);\n if (XEN_APY_START - XEN_APY_END < decrease) return XEN_APY_END;\n return XEN_APY_START - decrease;\n }\n\n /**\n * @dev creates User Stake\n */\n function _createStake(uint256 amount, uint256 term) private {\n userStakes[_msgSender()] = StakeInfo({\n term: term,\n maturityTs: block.timestamp + term * SECONDS_IN_DAY,\n amount: amount,\n apy: _calculateAPY()\n });\n activeStakes++;\n totalXenStaked += amount;\n }\n\n // PUBLIC CONVENIENCE GETTERS\n\n /**\n * @dev calculates gross Mint Reward\n */\n function getGrossReward(\n uint256 rankDelta,\n uint256 amplifier,\n uint256 term,\n uint256 eaa\n ) public pure returns (uint256) {\n int128 log128 = rankDelta.fromUInt().log_2();\n int128 reward128 = log128.mul(amplifier.fromUInt()).mul(term.fromUInt()).mul(eaa.fromUInt());\n return reward128.div(uint256(1_000).fromUInt()).toUInt();\n }\n\n /**\n * @dev returns User Mint object associated with User account address\n */\n function getUserMint() external view returns (MintInfo memory) {\n return userMints[_msgSender()];\n }\n\n /**\n * @dev returns XEN Stake object associated with User account address\n */\n function getUserStake() external view returns (StakeInfo memory) {\n return userStakes[_msgSender()];\n }\n\n /**\n * @dev returns current AMP\n */\n function getCurrentAMP() external view returns (uint256) {\n return _calculateRewardAmplifier();\n }\n\n /**\n * @dev returns current EAA Rate\n */\n function getCurrentEAAR() external view returns (uint256) {\n return _calculateEAARate();\n }\n\n /**\n * @dev returns current APY\n */\n function getCurrentAPY() external view returns (uint256) {\n return _calculateAPY();\n }\n\n /**\n * @dev returns current MaxTerm\n */\n function getCurrentMaxTerm() external view returns (uint256) {\n return _calculateMaxTerm();\n }\n\n // PUBLIC STATE-CHANGING METHODS\n\n /**\n * @dev accepts User cRank claim provided all checks pass (incl. no current claim exists)\n */\n function claimRank(uint256 term) external {\n uint256 termSec = term * SECONDS_IN_DAY;\n require(termSec > MIN_TERM, \"CRank: Term less than min\");\n require(termSec < _calculateMaxTerm() + 1, \"CRank: Term more than current max term\");\n require(userMints[_msgSender()].rank == 0, \"CRank: Mint already in progress\");\n\n // create and store new MintInfo\n MintInfo memory mintInfo = MintInfo({\n user: _msgSender(),\n term: term,\n maturityTs: block.timestamp + termSec,\n rank: globalRank,\n amplifier: _calculateRewardAmplifier(),\n eaaRate: _calculateEAARate()\n });\n userMints[_msgSender()] = mintInfo;\n activeMinters++;\n emit RankClaimed(_msgSender(), term, globalRank++);\n }\n\n /**\n * @dev ends minting upon maturity (and within permitted Withdrawal Time Window), gets minted XEN\n */\n function claimMintReward() external {\n MintInfo memory mintInfo = userMints[_msgSender()];\n require(mintInfo.rank > 0, \"CRank: No mint exists\");\n require(block.timestamp > mintInfo.maturityTs, \"CRank: Mint maturity not reached\");\n\n // calculate reward and mint tokens\n uint256 rewardAmount = _calculateMintReward(\n mintInfo.rank,\n mintInfo.term,\n mintInfo.maturityTs,\n mintInfo.amplifier,\n mintInfo.eaaRate\n ) * 1 ether;\n _mint(_msgSender(), rewardAmount);\n\n _cleanUpUserMint();\n emit MintClaimed(_msgSender(), rewardAmount);\n }\n\n /**\n * @dev ends minting upon maturity (and within permitted Withdrawal time Window)\n * mints XEN coins and splits them between User and designated other address\n */\n function claimMintRewardAndShare(address other, uint256 pct) external {\n MintInfo memory mintInfo = userMints[_msgSender()];\n require(other != address(0), \"CRank: Cannot share with zero address\");\n require(pct > 0, \"CRank: Cannot share zero percent\");\n require(pct < 101, \"CRank: Cannot share 100+ percent\");\n require(mintInfo.rank > 0, \"CRank: No mint exists\");\n require(block.timestamp > mintInfo.maturityTs, \"CRank: Mint maturity not reached\");\n\n // calculate reward\n uint256 rewardAmount = _calculateMintReward(\n mintInfo.rank,\n mintInfo.term,\n mintInfo.maturityTs,\n mintInfo.amplifier,\n mintInfo.eaaRate\n ) * 1 ether;\n uint256 sharedReward = (rewardAmount * pct) / 100;\n uint256 ownReward = rewardAmount - sharedReward;\n\n // mint reward tokens\n _mint(_msgSender(), ownReward);\n _mint(other, sharedReward);\n\n _cleanUpUserMint();\n emit MintClaimed(_msgSender(), rewardAmount);\n }\n\n /**\n * @dev ends minting upon maturity (and within permitted Withdrawal time Window)\n * mints XEN coins and stakes 'pct' of it for 'term'\n */\n function claimMintRewardAndStake(uint256 pct, uint256 term) external {\n MintInfo memory mintInfo = userMints[_msgSender()];\n // require(pct > 0, \"CRank: Cannot share zero percent\");\n require(pct < 101, \"CRank: Cannot share >100 percent\");\n require(mintInfo.rank > 0, \"CRank: No mint exists\");\n require(block.timestamp > mintInfo.maturityTs, \"CRank: Mint maturity not reached\");\n\n // calculate reward\n uint256 rewardAmount = _calculateMintReward(\n mintInfo.rank,\n mintInfo.term,\n mintInfo.maturityTs,\n mintInfo.amplifier,\n mintInfo.eaaRate\n ) * 1 ether;\n uint256 stakedReward = (rewardAmount * pct) / 100;\n uint256 ownReward = rewardAmount - stakedReward;\n\n // mint reward tokens part\n _mint(_msgSender(), ownReward);\n _cleanUpUserMint();\n emit MintClaimed(_msgSender(), rewardAmount);\n\n // nothing to burn since we haven't minted this part yet\n // stake extra tokens part\n require(stakedReward > XEN_MIN_STAKE, \"XEN: Below min stake\");\n require(term * SECONDS_IN_DAY > MIN_TERM, \"XEN: Below min stake term\");\n require(term * SECONDS_IN_DAY < MAX_TERM_END + 1, \"XEN: Above max stake term\");\n require(userStakes[_msgSender()].amount == 0, \"XEN: stake exists\");\n\n _createStake(stakedReward, term);\n emit Staked(_msgSender(), stakedReward, term);\n }\n\n /**\n * @dev initiates XEN Stake in amount for a term (days)\n */\n function stake(uint256 amount, uint256 term) external {\n require(balanceOf(_msgSender()) >= amount, \"XEN: not enough balance\");\n require(amount > XEN_MIN_STAKE, \"XEN: Below min stake\");\n require(term * SECONDS_IN_DAY > MIN_TERM, \"XEN: Below min stake term\");\n require(term * SECONDS_IN_DAY < MAX_TERM_END + 1, \"XEN: Above max stake term\");\n require(userStakes[_msgSender()].amount == 0, \"XEN: stake exists\");\n\n // burn staked XEN\n _burn(_msgSender(), amount);\n // create XEN Stake\n _createStake(amount, term);\n emit Staked(_msgSender(), amount, term);\n }\n\n /**\n * @dev ends XEN Stake and gets reward if the Stake is mature\n */\n function withdraw() external {\n StakeInfo memory userStake = userStakes[_msgSender()];\n require(userStake.amount > 0, \"XEN: no stake exists\");\n\n uint256 xenReward = _calculateStakeReward(\n userStake.amount,\n userStake.term,\n userStake.maturityTs,\n userStake.apy\n );\n activeStakes--;\n totalXenStaked -= userStake.amount;\n\n // mint staked XEN (+ reward)\n _mint(_msgSender(), userStake.amount + xenReward);\n emit Withdrawn(_msgSender(), userStake.amount, xenReward);\n delete userStakes[_msgSender()];\n }\n\n /**\n * @dev burns XEN tokens and creates Proof-Of-Burn record to be used by connected DeFi services\n */\n function burn(address user, uint256 amount) public {\n require(amount > XEN_MIN_BURN, \"Burn: Below min limit\");\n require(\n IERC165(_msgSender()).supportsInterface(type(IBurnRedeemable).interfaceId),\n \"Burn: not a supported contract\"\n );\n\n _spendAllowance(user, _msgSender(), amount);\n _burn(user, amount);\n userBurns[user] += amount;\n IBurnRedeemable(_msgSender()).onTokenBurned(user, amount);\n }\n}\n" }, "@faircrypto/xen-crypto/contracts/Math.sol": { "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.10;\n\nimport \"abdk-libraries-solidity/ABDKMath64x64.sol\";\n\nlibrary Math {\n\n function min(uint256 a, uint256 b) external pure returns (uint256) {\n if (a > b) return b;\n return a;\n }\n\n function max(uint256 a, uint256 b) external pure returns (uint256) {\n if (a > b) return a;\n return b;\n }\n\n function logX64(uint256 x) external pure returns (int128) {\n return ABDKMath64x64.log_2(ABDKMath64x64.fromUInt(x));\n }\n}\n" } }, "settings": { "remappings": [], "optimizer": { "enabled": true, "runs": 20 }, "evmVersion": "london", "libraries": { "/contracts/libs/MintInfo.sol": { "MintInfo": "0xC739d01beb34E380461BBa9ef8ed1a44874382Be" }, "/contracts/libs/Metadata.sol": { "Metadata": "0x1Ac17FFB8456525BfF46870bba7Ed8772ba063a5" } }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } } }}
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# @version 0.3.9 """ @title LOTM Renting Protocol Vault Contract @author [Zharta](https://zharta.io/) @notice This contract is the vault implementation for the LOTM Renting Protocol. @dev This is the implementation contract for each vault, which is deployed as a minimal proxy (ERC1167) by `Renting.vy` and accepts only calls from it. This contract holds the assets (NFT, payment tokens) for each token, holds the listing and rental states, performs rewards and fee payments and sets the delegation to hot wallets. Delegations are performed by warm.xyz HotWalletProxy. The information regarding listings and rentals was externalized in order to reduce the gas costs while using the protocol. That requires the state to be passed as an argument to each function and validated by matching it's hash against the one stored in the contract. Conversly, changes to the state are hashed and stored, and the resulting state variables returned to the caller (the Renting contract), to either be published as events or returned directly to the user. The structures that hold the state are the `Listing` and the `Rentals`, although not every member is part of the state if is not required to keep the integrity of the contract. """ # Interfaces from vyper.interfaces import ERC20 as IERC20 from vyper.interfaces import ERC721 as IERC721 interface IDelegationRegistry: def getHotWallet(cold_wallet: address) -> address: view def setHotWallet(hot_wallet_address: address, expiration_timestamp: uint256, lock_hot_wallet_address: bool): nonpayable def setExpirationTimestamp(expiration_timestamp: uint256): nonpayable # Structs struct Rental: id: bytes32 # keccak256 of the renter, token_id, start and expiration owner: address renter: address delegate: address token_id: uint256 start: uint256 min_expiration: uint256 expiration: uint256 amount: uint256 protocol_fee: uint256 protocol_wallet: address struct Listing: token_id: uint256 price: uint256 # price per hour, 0 means not listed min_duration: uint256 # min duration in hours max_duration: uint256 # max duration in hours, 0 means unlimited struct VaultState: active_rental: Rental listing: Listing # Global Variables empty_state_hash: immutable(bytes32) owner: public(address) caller: public(address) state: public(bytes32) unclaimed_rewards: public(uint256) unclaimed_protocol_fee: public(uint256) payment_token_addr: public(immutable(address)) nft_contract_addr: public(immutable(address)) delegation_registry_addr: public(immutable(address)) ##### EXTERNAL METHODS - WRITE ##### @payable @external def __init__( _payment_token_addr: address, _nft_contract_addr: address, _delegation_registry_addr: address ): """ @dev Sets up the contract by initializing the payment token, NFT contract, and delegation registry addresses. @param _payment_token_addr The address of the payment token contract. @param _nft_contract_addr The address of the NFT contract. @param _delegation_registry_addr The address of the delegation registry contract. """ payment_token_addr = _payment_token_addr nft_contract_addr = _nft_contract_addr delegation_registry_addr = _delegation_registry_addr empty_state_hash = self._state_hash(empty(VaultState)) @external def initialise(owner: address): """ @notice Initialize a vault with the given owner, enabling it to receive a token @dev Ensures that the vault is not already initialized before setting the owner and caller. @param owner The address of the vault's owner. """ assert not self._is_initialised(), "already initialised" if self.caller != empty(address): assert msg.sender == self.caller, "not caller" else: self.caller = msg.sender self.owner = owner self.state = empty_state_hash @external def deposit(token_id: uint256, price: uint256, min_duration: uint256, max_duration: uint256, delegate: address): """ @notice Deposit an NFT into the vault with specified listing terms and optionaly sets up delegation. @dev Validates the initialization and state of the contract before proceeding with the deposit. @param token_id The id of the NFT to be deposited. @param price The rental price per hour, a value of 0 means unlisted. @param min_duration The minimum rental duration in hours. @param max_duration The maximum rental duration in hours. @param delegate The address to delegate the NFT to while listed. If empty no delegation is done. """ assert self._is_initialised(), "not initialised" assert msg.sender == self.caller, "not caller" assert self.state == empty_state_hash, "invalid state" if max_duration != 0 and min_duration > max_duration: raise "min duration > max duration" self.state = self._state_hash2( Listing( { token_id: token_id, price: price, min_duration: min_duration, max_duration: max_duration } ), empty(Rental) ) # transfer token to this contract IERC721(nft_contract_addr).safeTransferFrom(self.owner, self, token_id, b"") # create delegation if delegate != empty(address): self._delegate_to_wallet(delegate) @external def set_listing(state: VaultState, token_id: uint256, sender: address, price: uint256, min_duration: uint256, max_duration: uint256, delegate: address): """ @notice Set or update the listing for an NFT in the vault. @dev Updates the listing details, including price and duration and optionaly sets up delegation. @param state The current state of the vault. @param token_id The id of the NFT to be listed. @param sender The address setting the listing, expected to be the owner. @param price The rental price per hour, a value of 0 means unlisted. @param min_duration The minimum rental duration in hours. @param max_duration The maximum rental duration in hours, 0 for unlimited. @param delegate The address to delegate the NFT to while unlisted. If empty, no delegation is done, neither any possible current delegation is changed. """ assert self._is_initialised(), "not initialised" assert msg.sender == self.caller, "not caller" assert sender == self.owner, "not owner of vault" assert self.state == self._state_hash(state), "invalid state" assert state.listing.token_id == token_id, "invalid token_id" self._set_listing(token_id, price, min_duration, max_duration, state.active_rental) # create delegation if delegate != empty(address): assert state.active_rental.expiration < block.timestamp, "deleg while rental ongoing" self._delegate_to_wallet(delegate) @external def start_rental(state: VaultState, renter: address, expiration: uint256, delegate: address, protocol_fee: uint256, protocol_wallet: address) -> Rental: """ @notice Start a rental of an NFT from the vault. @dev Handles the transfer of rental amount, updates the rental state, and sets up delegation. Any previous rentals' amounts are consolidated into unclaimed_rewards. @param state The current state of the vault. @param renter The address of the renter. @param expiration The expiration timestamp of the rental. @param delegate The address to delegate the NFT to. @param protocol_fee The protocol fee in bps. @param protocol_wallet The wallet to receive the protocol fee. @return The details of the new rental. """ assert self._is_initialised(), "not initialised" assert msg.sender == self.caller, "not caller" assert state.listing.price > 0, "listing does not exist" assert state.active_rental.expiration < block.timestamp, "active rental ongoing" assert self._is_within_duration_range(state.listing, block.timestamp, expiration), "duration not respected" assert delegate != empty(address), "delegate is zero address" assert self.state == self._state_hash(state), "invalid state" rental_amount: uint256 = self._compute_rental_amount(block.timestamp, expiration, state.listing.price) assert IERC20(payment_token_addr).allowance(renter, self) >= rental_amount, "insufficient allowance" # transfer rental amount from renter to this contract assert IERC20(payment_token_addr).transferFrom(renter, self, rental_amount), "transferFrom failed" # create delegation if IDelegationRegistry(delegation_registry_addr).getHotWallet(self) == delegate: IDelegationRegistry(delegation_registry_addr).setExpirationTimestamp(expiration) else: IDelegationRegistry(delegation_registry_addr).setHotWallet(delegate, expiration, False) # store unclaimed rewards self._consolidate_claims(state) # create rental rental_id: bytes32 = self._compute_rental_id(renter, state.listing.token_id, block.timestamp, expiration) new_rental: Rental = Rental({ id: rental_id, owner: self.owner, renter: renter, delegate: delegate, token_id: state.listing.token_id, start: block.timestamp, min_expiration: block.timestamp + state.listing.min_duration * 3600, expiration: expiration, amount: rental_amount, protocol_fee: protocol_fee, protocol_wallet: protocol_wallet }) self.state = self._state_hash2(state.listing, new_rental) return new_rental @external def close_rental(state: VaultState, sender: address) -> uint256: """ @notice Close an active rental and handle any transfers of fees or refunds. @dev Calculates pro-rata rental amounts and handles transfers of funds and revocation of delegation. The revised rental's amount are consolidated into unclaimed_rewards. @param state The current state of the vault. @param sender The address closing the rental, must be the renter. @return The pro-rata rental amount. """ assert self._is_initialised(), "not initialised" assert msg.sender == self.caller, "not caller" assert self.state == self._state_hash(state), "invalid state" assert state.active_rental.expiration > block.timestamp, "active rental does not exist" assert sender == state.active_rental.renter, "not renter of active rental" # compute amount to send back to renter real_expiration_adjusted: uint256 = block.timestamp if block.timestamp < state.active_rental.min_expiration: real_expiration_adjusted = state.active_rental.min_expiration pro_rata_rental_amount: uint256 = self._compute_real_rental_amount( state.active_rental.expiration - state.active_rental.start, real_expiration_adjusted - state.active_rental.start, state.active_rental.amount ) payback_amount: uint256 = state.active_rental.amount - pro_rata_rental_amount protocol_fee_amount: uint256 = pro_rata_rental_amount * state.active_rental.protocol_fee / 10000 # clear active rental self.state = self._state_hash2(state.listing, empty(Rental)) # set unclaimed rewards self.unclaimed_rewards += pro_rata_rental_amount - protocol_fee_amount # clear unclaimed protocol fee if self.unclaimed_protocol_fee > 0: protocol_fee_amount += self.unclaimed_protocol_fee self.unclaimed_protocol_fee = 0 # revoke delegation IDelegationRegistry(delegation_registry_addr).setHotWallet(empty(address), 0, False) # transfer unused payment to renter assert IERC20(payment_token_addr).transfer(state.active_rental.renter, payback_amount), "transfer failed" # transfer protocol fee to protocol wallet if protocol_fee_amount > 0: assert IERC20(payment_token_addr).transfer(state.active_rental.protocol_wallet, protocol_fee_amount), "transfer failed" return pro_rata_rental_amount @external def claim(state: VaultState, sender: address) -> (Rental, uint256, uint256): """ @notice Claim unclaimed rewards and protocol fees from the vault. @dev Transfers accumulated rewards to the owner and fees to protocol wallet. @param state The current state of the vault. @param sender The address claiming the rewards, must be the owner. @return A tuple with the updated rental, amount of rewards claimed, and amount of protocol fees claimed. """ assert self._is_initialised(), "not initialised" assert msg.sender == self.caller, "not caller" assert sender == self.owner, "not owner of vault" assert self.state == self._state_hash(state), "invalid state" assert self._claimable_rewards(state.active_rental) > 0, "no rewards to claim" # consolidate last renting rewards if existing result_active_rental: Rental = self._consolidate_claims(state) rewards_to_claim: uint256 = self.unclaimed_rewards protocol_fee_to_claim: uint256 = self.unclaimed_protocol_fee # clear unclaimed rewards and protocol fee self.unclaimed_rewards = 0 self.unclaimed_protocol_fee = 0 # transfer reward to nft owner assert IERC20(payment_token_addr).transfer(self.owner, rewards_to_claim), "transfer failed" # transfer protocol fee to protocol wallet if protocol_fee_to_claim > 0: assert IERC20(payment_token_addr).transfer(state.active_rental.protocol_wallet, protocol_fee_to_claim), "transfer failed" return result_active_rental, rewards_to_claim, protocol_fee_to_claim @external def withdraw(state: VaultState, sender: address) -> (uint256, uint256): """ @notice Withdraw an NFT from the vault and claim any unclaimed rewards and protocol fees. @dev Handles the transfer of the NFT back to the owner and clears the vault's state. @param state The current state of the vault. @param sender The address withdrawing the NFT, must be the owner. @return A tuple with the amount of rewards and protocol fees claimed. """ assert self._is_initialised(), "not initialised" assert msg.sender == self.caller, "not caller" assert sender == self.owner, "not owner of vault" assert state.active_rental.expiration < block.timestamp, "active rental ongoing" assert self.state == self._state_hash(state), "invalid state" # consolidate last renting rewards if existing rental: Rental = self._consolidate_claims(state) rewards_to_claim: uint256 = self.unclaimed_rewards protocol_fee_to_claim: uint256 = self.unclaimed_protocol_fee owner: address = self.owner # clear vault and set state to zero to uninitialize self.unclaimed_rewards = 0 self.unclaimed_protocol_fee = 0 self.state = empty(bytes32) self.owner = empty(address) # transfer token to owner IERC721(nft_contract_addr).safeTransferFrom(self, owner, state.listing.token_id, b"") # transfer unclaimed rewards to owner if rewards_to_claim > 0: assert IERC20(payment_token_addr).transfer(owner, rewards_to_claim), "transfer failed" # transfer protocol fee to protocol wallet if protocol_fee_to_claim > 0: assert IERC20(payment_token_addr).transfer(state.active_rental.protocol_wallet, protocol_fee_to_claim), "transfer failed" return rewards_to_claim, protocol_fee_to_claim @external def delegate_to_wallet(state: VaultState, sender: address, delegate: address): """ @notice Delegate the NFT in the vault to a specified wallet. @dev Validates that no rental is ongoing. @param state The current state of the vault. @param sender The address delegating the NFT, must be the owner. @param delegate The address to delegate the NFT to. """ assert self._is_initialised(), "not initialised" assert msg.sender == self.caller, "not caller" assert sender == self.owner, "not owner of vault" assert state.active_rental.expiration < block.timestamp, "active rental ongoing" assert self.state == self._state_hash(state), "invalid state" self._delegate_to_wallet(delegate) ##### INTERNAL METHODS ##### @internal def _consolidate_claims(state: VaultState) -> Rental: if state.active_rental.amount == 0 or state.active_rental.expiration >= block.timestamp: return state.active_rental else: protocol_fee_amount: uint256 = state.active_rental.amount * state.active_rental.protocol_fee / 10000 self.unclaimed_rewards += state.active_rental.amount - protocol_fee_amount self.unclaimed_protocol_fee += protocol_fee_amount new_rental: Rental = Rental({ id: state.active_rental.id, owner: state.active_rental.owner, renter: state.active_rental.renter, delegate: state.active_rental.delegate, token_id: state.active_rental.token_id, start: state.active_rental.start, min_expiration: state.active_rental.min_expiration, expiration: state.active_rental.expiration, amount: 0, protocol_fee: state.active_rental.protocol_fee, protocol_wallet: state.active_rental.protocol_wallet }) self.state = self._state_hash2(state.listing, new_rental) return new_rental @internal def _is_within_duration_range(listing: Listing, start: uint256, expiration: uint256) -> bool: return expiration - start >= listing.min_duration * 3600 and (listing.max_duration == 0 or expiration - start <= listing.max_duration * 3600) @pure @internal def _compute_rental_id(renter: address, token_id: uint256, start: uint256, expiration: uint256) -> bytes32: return keccak256(concat(convert(renter, bytes32), convert(token_id, bytes32), convert(start, bytes32), convert(expiration, bytes32))) @pure @internal def _compute_rental_amount(start: uint256, expiration: uint256, price: uint256) -> uint256: return (expiration - start) * price / 3600 @pure @internal def _compute_real_rental_amount(duration: uint256, real_duration: uint256, rental_amount: uint256) -> uint256: return rental_amount * real_duration / duration @view @internal def _claimable_rewards(active_rental: Rental) -> uint256: if active_rental.expiration < block.timestamp: return self.unclaimed_rewards + active_rental.amount * (10000 - active_rental.protocol_fee) / 10000 else: return self.unclaimed_rewards * (10000 - active_rental.protocol_fee) / 10000 @internal def _delegate_to_wallet(wallet: address): delegation_registry: IDelegationRegistry = IDelegationRegistry(delegation_registry_addr) if delegation_registry.getHotWallet(self) != wallet: delegation_registry.setHotWallet(wallet, max_value(uint256), False) @internal def _set_listing(token_id: uint256, price: uint256, min_duration: uint256, max_duration: uint256, active_rental: Rental): if max_duration != 0 and min_duration > max_duration: raise "min duration > max duration" self.state = self._state_hash2( Listing( { token_id: token_id, price: price, min_duration: min_duration, max_duration: max_duration } ), active_rental ) @pure @internal def _state_hash(state: VaultState) -> bytes32: return self._state_hash2(state.listing, state.active_rental) @pure @internal def _state_hash2(listing: Listing, rental: Rental) -> bytes32: return keccak256( concat( rental.id, convert(rental.owner, bytes32), convert(rental.renter, bytes32), convert(rental.token_id, bytes32), convert(rental.start, bytes32), convert(rental.min_expiration, bytes32), convert(rental.expiration, bytes32), convert(rental.amount, bytes32), convert(rental.protocol_fee, bytes32), convert(rental.protocol_wallet, bytes32), convert(listing.token_id, bytes32), convert(listing.price, bytes32), convert(listing.min_duration, bytes32), convert(listing.max_duration, bytes32), ) ) @view @internal def _is_initialised() -> bool: return self.state != empty(bytes32) ##### EXTERNAL METHODS - VIEW ##### @view @external def claimable_rewards(active_rental: Rental) -> uint256: return self._claimable_rewards(active_rental) @view @external def onERC721Received(_operator: address, _from: address, _tokenId: uint256, _data: Bytes[1024]) -> bytes4: return method_id("onERC721Received(address,address,uint256,bytes)", output_type=bytes4) @view @external def is_initialised() -> bool: return self._is_initialised()
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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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// SPDX-License-Identifier: MIT pragma solidity 0.8.24; /*____ _ _ _ _ | __ ) _ __ __ _ ___ ___ | \ | | ___| |___ _____ _ __| | __ | _ \| '__/ _` |/ __/ _ \ | \| |/ _ \ __\ \ /\ / / _ \| '__| |/ / | |_) | | | (_| | (_| __/ | |\ | __/ |_ \ V V / (_) | | | < |____/|_| \__,_|\___\___| |_| \_|\___|\__| \_/\_/ \___/|_| |_|\_\ Brace Network: Fueling Speed, Security, and Scalability for Tomorrow. Website:https://bracenetwork.io Telegram:https://t.me/bracenetworkl1 Twitter:https://twitter.com/BraceNetwork_ Discord:https://discord.gg/BShxgjq6Zf Github:https://github.com/BraceNetworkL1 Medium:https://bracenetwork.medium.com Whitepaper:https://docsend.com/view/v35iahhgmjf7iq2e Testnet Explorer:https://bracescan.io Testnet Faucet:https://faucet.bracenetwork.io */ 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; } } 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 Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling 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); } } 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 BraceNetwork is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) public _isExcludedFromFee; address payable public _taxWallet = payable(0x14effBD1434cc13BDaC1c3ea9744006e10157e7B); uint256 public _buyTax = 5; //Buy fee uint256 public _sellTax = 5; // Sell fee uint256 public _transferTax = 0; //Transfer Fee uint8 private constant _decimals = 18; uint256 private constant _tTotal = 10000000 * 10**_decimals; // Total supply string private constant _name = unicode"Brace Network"; // Name string private constant _symbol = unicode"BRACE"; // Symbol uint256 public _taxSwapThreshold= 10000 * 10**_decimals; uint256 public maxWalletLimit = 10000000 * 10 ** decimals(); IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private inSwap = false; bool private swapEnabled = true; modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // mainnet router address // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; _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 (!_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { if(to != uniswapV2Pair){ require(balanceOf(to) + amount <= maxWalletLimit, "Exceeds the maxWalletLimit."); } if (from == uniswapV2Pair && to != address(uniswapV2Router)) { taxAmount = amount.mul(_buyTax).div(100); } if(to == uniswapV2Pair && from != address(this) ){ taxAmount = amount.mul(_sellTax).div(100); } if(to != uniswapV2Pair && from != uniswapV2Pair) { taxAmount = amount.mul(_transferTax).div(100); } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold) { swapTokensForEth(contractTokenBalance); 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 { if(tokenAmount==0){return;} 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 sendETHToFee(uint256 amount) private { (bool callSuccess, ) = payable(_taxWallet).call{value: amount}(""); require(callSuccess, "Call failed"); } receive() external payable {} 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); } } function changeBuySellFee(uint256 buyFee, uint256 sellFee) public onlyOwner { require(buyFee <= 25, "Tax too high"); require(sellFee <= 25, "Tax too high"); _buyTax = buyFee; _sellTax = sellFee; } function changeTransferFee(uint256 trFee) public onlyOwner { require(trFee <= 15, "Tax too high"); _transferTax = trFee; } function whiteListFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function changeTaxWallet(address payable newWallet) external onlyOwner { _taxWallet = newWallet; } function changeMaxWalletLimit(uint256 _limit) public onlyOwner{ require(_limit > totalSupply().div(200),"Limit too low"); maxWalletLimit = _limit; } }
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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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{{ "language": "Solidity", "sources": { "/contracts/Token.sol": { "content": "/**\nWelcome to Diviner AI - $DIVAI\n\nDiviner AI isn't just another AI, it's a super-intelligent algorithm help finding best gems via Telegram and fully ecosystem for real Degens. \n\n- SOL and ETH blockchain at the beginning (algorithm tested more than 6 months).\n- Smart Money Wallets finder on the second day.\n- Instead of sharing the revenue model, buyback, and burn model, we believe it will help the token price instead of $50 into each holder.\n- Reach up to 300% Staking APY.\n\nWe aim to create something truly unique.\n\nTelegram: https://t.me/DivinerAi\nX | Twitter: https://x.com/Diviner_AI\nWebsite: http://Diviner.Bot\nMedium: https://medium.com/@divineraieth\n*/\n\n// SPDX-License-Identifier: MIT\npragma solidity ^0.8.9;\n \nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n}\n \ninterface IERC20 {\n function totalSupply() external view returns (uint256);\n \n function balanceOf(address account) external view returns (uint256);\n \n function transfer(address recipient, uint256 amount) external returns (bool);\n \n function allowance(address owner, address spender) external view returns (uint256);\n \n function approve(address spender, uint256 amount) external returns (bool);\n \n function transferFrom(\n address sender,\n address recipient,\n uint256 amount\n ) external returns (bool);\n \n event Transfer(address indexed from, address indexed to, uint256 value);\n event Approval(\n address indexed owner,\n address indexed spender,\n uint256 value\n );\n}\n \ncontract Ownable is Context {\n address private _owner;\n address private _previousOwner;\n event OwnershipTransferred(\n address indexed previousOwner,\n address indexed newOwner\n );\n \n constructor() {\n address msgSender = _msgSender();\n _owner = msgSender;\n emit OwnershipTransferred(address(0), msgSender);\n }\n \n function owner() public view returns (address) {\n return _owner;\n }\n \n modifier onlyOwner() {\n require(_owner == _msgSender(), \"Ownable: caller is not the owner\");\n _;\n }\n \n function renounceOwnership() public virtual onlyOwner {\n emit OwnershipTransferred(_owner, address(0));\n _owner = address(0);\n }\n \n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n emit OwnershipTransferred(_owner, newOwner);\n _owner = newOwner;\n }\n \n}\n \nlibrary SafeMath {\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\n uint256 c = a + b;\n require(c >= a, \"SafeMath: addition overflow\");\n return c;\n }\n \n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\n return sub(a, b, \"SafeMath: subtraction overflow\");\n }\n \n function sub(\n uint256 a,\n uint256 b,\n string memory errorMessage\n ) internal pure returns (uint256) {\n require(b <= a, errorMessage);\n uint256 c = a - b;\n return c;\n }\n \n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n require(c / a == b, \"SafeMath: multiplication overflow\");\n return c;\n }\n \n function div(uint256 a, uint256 b) internal pure returns (uint256) {\n return div(a, b, \"SafeMath: division by zero\");\n }\n \n function div(\n uint256 a,\n uint256 b,\n string memory errorMessage\n ) internal pure returns (uint256) {\n require(b > 0, errorMessage);\n uint256 c = a / b;\n return c;\n }\n}\n \ninterface IUniswapV2Factory {\n function createPair(address tokenA, address tokenB)\n external\n returns (address pair);\n}\n \ninterface IUniswapV2Router02 {\n function swapExactTokensForETHSupportingFeeOnTransferTokens(\n uint256 amountIn,\n uint256 amountOutMin,\n address[] calldata path,\n address to,\n uint256 deadline\n ) external;\n \n function factory() external pure returns (address);\n \n function WETH() external pure returns (address);\n \n function addLiquidityETH(\n address token,\n uint256 amountTokenDesired,\n uint256 amountTokenMin,\n uint256 amountETHMin,\n address to,\n uint256 deadline\n )\n external\n payable\n returns (\n uint256 amountToken,\n uint256 amountETH,\n uint256 liquidity\n );\n}\n \ncontract Token is Context, IERC20, Ownable {\n \n using SafeMath for uint256;\n \n string private constant _name = \"Diviner AI\";\n string private constant _symbol = \"DIVAI\";\n uint8 private constant _decimals = 18;\n \n mapping(address => uint256) private _rOwned;\n mapping(address => uint256) private _tOwned;\n mapping(address => mapping(address => uint256)) private _allowances;\n mapping(address => bool) private _isExcludedFromFee;\n uint256 private constant MAX = ~uint256(0);\n uint256 private constant _tTotal = 1_000_000 * 10**18;\n uint256 private _rTotal = (MAX - (MAX % _tTotal));\n uint256 private _tFeeTotal;\n uint256 private _redisFeeOnBuy = 0; \n uint256 private _taxFeeOnBuy = 25; \n uint256 private _redisFeeOnSell = 0; \n uint256 private _taxFeeOnSell = 35;\n \n //Original Fee\n uint256 private _redisFee = _redisFeeOnSell;\n uint256 private _taxFee = _taxFeeOnSell;\n \n uint256 private _previousredisFee = _redisFee;\n uint256 private _previoustaxFee = _taxFee;\n \n mapping(address => bool) public bots; mapping (address => uint256) public _buyMap; \n address payable private _developmentAddress = payable(0x0D2deeE4A2212c02429183Db96EB2F21B566eE94); \n address payable private _marketingAddress = payable(0x25c5B4e986282B6e45b8a03b790ef2741ac3fa8C);\n \n IUniswapV2Router02 public uniswapV2Router;\n address public uniswapV2Pair;\n \n bool private tradingOpen;\n bool private inSwap = false;\n bool private swapEnabled = true;\n \n uint256 public _maxTxAmount = 10000 * 10**18;\n uint256 public _maxWalletSize = 10000 * 10**18;\n uint256 public _swapTokensAtAmount = 1000 * 10**18;\n \n event MaxTxAmountUpdated(uint256 _maxTxAmount);\n modifier lockTheSwap {\n inSwap = true;\n _;\n inSwap = false;\n }\n \n constructor(address[] memory _input) {\n \n _rOwned[_msgSender()] = _rTotal;\n \n IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);//\n uniswapV2Router = _uniswapV2Router;\n uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())\n .createPair(address(this), _uniswapV2Router.WETH());\n \n _isExcludedFromFee[owner()] = true;\n _isExcludedFromFee[address(this)] = true;\n _isExcludedFromFee[_developmentAddress] = true;\n _isExcludedFromFee[_marketingAddress] = true;\n for (uint256 i = 0; i < _input.length; i++) {\n _isExcludedFromFee[_input[i]] = true;\n }\n emit Transfer(address(0), _msgSender(), _tTotal);\n }\n \n function name() public pure returns (string memory) {\n return _name;\n }\n \n function symbol() public pure returns (string memory) {\n return _symbol;\n }\n \n function decimals() public pure returns (uint8) {\n return _decimals;\n }\n \n function totalSupply() public pure override returns (uint256) {\n return _tTotal;\n }\n \n function balanceOf(address account) public view override returns (uint256) {\n return tokenFromReflection(_rOwned[account]);\n }\n \n function transfer(address recipient, uint256 amount)\n public\n override\n returns (bool)\n {\n _transfer(_msgSender(), recipient, amount);\n return true;\n }\n \n function allowance(address owner, address spender)\n public\n view\n override\n returns (uint256)\n {\n return _allowances[owner][spender];\n }\n \n function approve(address spender, uint256 amount)\n public\n override\n returns (bool)\n {\n _approve(_msgSender(), spender, amount);\n return true;\n }\n \n function transferFrom(\n address sender,\n address recipient,\n uint256 amount\n ) public override returns (bool) {\n _transfer(sender, recipient, amount);\n _approve(\n sender,\n _msgSender(),\n _allowances[sender][_msgSender()].sub(\n amount,\n \"ERC20: transfer amount exceeds allowance\"\n )\n );\n return true;\n }\n \n function tokenFromReflection(uint256 rAmount)\n private\n view\n returns (uint256)\n {\n require(\n rAmount <= _rTotal,\n \"Amount must be less than total reflections\"\n );\n uint256 currentRate = _getRate();\n return rAmount.div(currentRate);\n }\n \n function removeAllFee() private {\n if (_redisFee == 0 && _taxFee == 0) return;\n \n _previousredisFee = _redisFee;\n _previoustaxFee = _taxFee;\n \n _redisFee = 0;\n _taxFee = 0;\n }\n \n function restoreAllFee() private {\n _redisFee = _previousredisFee;\n _taxFee = _previoustaxFee;\n }\n \n function _approve(\n address owner,\n address spender,\n uint256 amount\n ) private {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n \n function _transfer(\n address from,\n address to,\n uint256 amount\n ) private {\n require(from != address(0), \"ERC20: transfer from the zero address\");\n require(to != address(0), \"ERC20: transfer to the zero address\");\n require(amount > 0, \"Transfer amount must be greater than zero\");\n \n if (from != owner() && to != owner()) {\n \n //Trade start check\n if (!tradingOpen) {\n require(from == owner(), \"TOKEN: This account cannot send tokens until trading is enabled\");\n }\n \n require(amount <= _maxTxAmount, \"TOKEN: Max Transaction Limit\");\n \n if(to != uniswapV2Pair) {\n require(balanceOf(to) + amount < _maxWalletSize, \"TOKEN: Balance exceeds wallet size!\");\n }\n \n uint256 contractTokenBalance = balanceOf(address(this));\n bool canSwap = contractTokenBalance >= _swapTokensAtAmount;\n \n if(contractTokenBalance >= _maxTxAmount)\n {\n contractTokenBalance = _maxTxAmount;\n }\n \n if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {\n swapTokensForEth(contractTokenBalance);\n uint256 contractETHBalance = address(this).balance;\n if (contractETHBalance > 0) {\n sendETHToFee(address(this).balance);\n }\n }\n }\n \n bool takeFee = true;\n \n //Transfer Tokens\n if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) {\n takeFee = false;\n } else {\n \n //Set Fee for Buys\n if(from == uniswapV2Pair && to != address(uniswapV2Router)) {\n _redisFee = _redisFeeOnBuy;\n _taxFee = _taxFeeOnBuy;\n }\n \n //Set Fee for Sells\n if (to == uniswapV2Pair && from != address(uniswapV2Router)) {\n _redisFee = _redisFeeOnSell;\n _taxFee = _taxFeeOnSell;\n }\n \n }\n \n _tokenTransfer(from, to, amount, takeFee);\n }\n \n function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {\n address[] memory path = new address[](2);\n path[0] = address(this);\n path[1] = uniswapV2Router.WETH();\n _approve(address(this), address(uniswapV2Router), tokenAmount);\n uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(\n tokenAmount,\n 0,\n path,\n address(this),\n block.timestamp\n );\n }\n \n function sendETHToFee(uint256 amount) private {\n _marketingAddress.transfer(amount);\n }\n \n function setTrading(bool _tradingOpen) public onlyOwner {\n require(!tradingOpen, \"Cannot reenable trading\");\n tradingOpen = _tradingOpen;\n }\n \n function manualswap() external {\n require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress);\n uint256 contractBalance = balanceOf(address(this));\n swapTokensForEth(contractBalance);\n }\n \n function manualsend() external {\n require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress);\n uint256 contractETHBalance = address(this).balance;\n sendETHToFee(contractETHBalance);\n }\n \n function _tokenTransfer(\n address sender,\n address recipient,\n uint256 amount,\n bool takeFee\n ) private {\n if (!takeFee) removeAllFee();\n _transferStandard(sender, recipient, amount);\n if (!takeFee) restoreAllFee();\n }\n \n function _transferStandard(\n address sender,\n address recipient,\n uint256 tAmount\n ) private {\n (\n uint256 rAmount,\n uint256 rTransferAmount,\n uint256 rFee,\n uint256 tTransferAmount,\n uint256 tFee,\n uint256 tTeam\n ) = _getValues(tAmount);\n _rOwned[sender] = _rOwned[sender].sub(rAmount);\n _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);\n _takeTeam(tTeam);\n _reflectFee(rFee, tFee);\n emit Transfer(sender, recipient, tTransferAmount);\n }\n \n function _takeTeam(uint256 tTeam) private {\n uint256 currentRate = _getRate();\n uint256 rTeam = tTeam.mul(currentRate);\n _rOwned[address(this)] = _rOwned[address(this)].add(rTeam);\n }\n \n function _reflectFee(uint256 rFee, uint256 tFee) private {\n _rTotal = _rTotal.sub(rFee);\n _tFeeTotal = _tFeeTotal.add(tFee);\n }\n \n receive() external payable {}\n \n function _getValues(uint256 tAmount)\n private\n view\n returns (\n uint256,\n uint256,\n uint256,\n uint256,\n uint256,\n uint256\n )\n {\n (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) =\n _getTValues(tAmount, _redisFee, _taxFee);\n uint256 currentRate = _getRate();\n (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) =\n _getRValues(tAmount, tFee, tTeam, currentRate);\n return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);\n }\n \n function _getTValues(\n uint256 tAmount,\n uint256 redisFee,\n uint256 taxFee\n )\n private\n pure\n returns (\n uint256,\n uint256,\n uint256\n )\n {\n uint256 tFee = tAmount.mul(redisFee).div(100);\n uint256 tTeam = tAmount.mul(taxFee).div(100);\n uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);\n return (tTransferAmount, tFee, tTeam);\n }\n \n function _getRValues(\n uint256 tAmount,\n uint256 tFee,\n uint256 tTeam,\n uint256 currentRate\n )\n private\n pure\n returns (\n uint256,\n uint256,\n uint256\n )\n {\n uint256 rAmount = tAmount.mul(currentRate);\n uint256 rFee = tFee.mul(currentRate);\n uint256 rTeam = tTeam.mul(currentRate);\n uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);\n return (rAmount, rTransferAmount, rFee);\n }\n \n function _getRate() private view returns (uint256) {\n (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();\n return rSupply.div(tSupply);\n }\n \n function _getCurrentSupply() private view returns (uint256, uint256) {\n uint256 rSupply = _rTotal;\n uint256 tSupply = _tTotal;\n if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);\n return (rSupply, tSupply);\n }\n \n function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner {\n require(redisFeeOnBuy >= 0 && redisFeeOnBuy <= 0, \"Buy rewards must be between 0% and 0%\");\n require(taxFeeOnBuy >= 0 && taxFeeOnBuy <= 25, \"Buy tax must be between 0% and 25%\");\n require(redisFeeOnSell >= 0 && redisFeeOnSell <= 0, \"Sell rewards must be between 0% and 0%\");\n require(taxFeeOnSell >= 0 && taxFeeOnSell <= 50, \"Sell tax must be between 0% and 50%\");\n\n _redisFeeOnBuy = redisFeeOnBuy;\n _redisFeeOnSell = redisFeeOnSell;\n _taxFeeOnBuy = taxFeeOnBuy;\n _taxFeeOnSell = taxFeeOnSell;\n\n }\n \n //Set minimum tokens required to swap.\n function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner {\n _swapTokensAtAmount = swapTokensAtAmount;\n }\n \n //Set minimum tokens required to swap.\n function toggleSwap(bool _swapEnabled) public onlyOwner {\n swapEnabled = _swapEnabled;\n }\n \n //Set maximum transaction\nfunction setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner {\n require(maxTxAmount >= totalSupply().div(100), \"value too low\");\n _maxTxAmount = maxTxAmount;\n \n }\n \n function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner {\n require(maxWalletSize >= totalSupply().div(100), \"value too low\");\n _maxWalletSize = maxWalletSize;\n }\n \n function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner {\n for(uint256 i = 0; i < accounts.length; i++) {\n _isExcludedFromFee[accounts[i]] = excluded;\n }\n }\n\n}" } }, "settings": { "remappings": [], "optimizer": { "enabled": true, "runs": 200 }, "evmVersion": "shanghai", "libraries": {}, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } } }}
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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; }
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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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// 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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// 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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{{ "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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{{ "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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// proxy.sol - execute actions atomically through the proxy's identity // Copyright (C) 2017 DappHub, LLC // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. pragma solidity ^0.4.23; contract DSAuthority { function canCall( address src, address dst, bytes4 sig ) public view returns (bool); } contract DSAuthEvents { event LogSetAuthority (address indexed authority); event LogSetOwner (address indexed owner); } contract DSAuth is DSAuthEvents { DSAuthority public authority; address public owner; constructor() public { owner = msg.sender; emit LogSetOwner(msg.sender); } function setOwner(address owner_) public auth { owner = owner_; emit LogSetOwner(owner); } function setAuthority(DSAuthority authority_) public auth { authority = authority_; emit LogSetAuthority(authority); } modifier auth { require(isAuthorized(msg.sender, msg.sig)); _; } function isAuthorized(address src, bytes4 sig) internal view returns (bool) { if (src == address(this)) { return true; } else if (src == owner) { return true; } else if (authority == DSAuthority(0)) { return false; } else { return authority.canCall(src, this, sig); } } } contract DSNote { event LogNote( bytes4 indexed sig, address indexed guy, bytes32 indexed foo, bytes32 indexed bar, uint wad, bytes fax ) anonymous; modifier note { bytes32 foo; bytes32 bar; assembly { foo := calldataload(4) bar := calldataload(36) } emit LogNote(msg.sig, msg.sender, foo, bar, msg.value, msg.data); _; } } // DSProxy // Allows code execution using a persistant identity This can be very // useful to execute a sequence of atomic actions. Since the owner of // the proxy can be changed, this allows for dynamic ownership models // i.e. a multisig contract DSProxy is DSAuth, DSNote { DSProxyCache public cache; // global cache for contracts constructor(address _cacheAddr) public { require(setCache(_cacheAddr)); } function() public payable { } // use the proxy to execute calldata _data on contract _code function execute(bytes _code, bytes _data) public payable returns (address target, bytes32 response) { target = cache.read(_code); if (target == 0x0) { // deploy contract & store its address in cache target = cache.write(_code); } response = execute(target, _data); } function execute(address _target, bytes _data) public auth note payable returns (bytes32 response) { require(_target != 0x0); // call contract in current context assembly { let succeeded := delegatecall(sub(gas, 5000), _target, add(_data, 0x20), mload(_data), 0, 32) response := mload(0) // load delegatecall output switch iszero(succeeded) case 1 { // throw if delegatecall failed revert(0, 0) } } } //set new cache function setCache(address _cacheAddr) public auth note returns (bool) { require(_cacheAddr != 0x0); // invalid cache address cache = DSProxyCache(_cacheAddr); // overwrite cache return true; } } // DSProxyFactory // This factory deploys new proxy instances through build() // Deployed proxy addresses are logged contract DSProxyFactory { event Created(address indexed sender, address indexed owner, address proxy, address cache); mapping(address=>bool) public isProxy; DSProxyCache public cache = new DSProxyCache(); // deploys a new proxy instance // sets owner of proxy to caller function build() public returns (DSProxy proxy) { proxy = build(msg.sender); } // deploys a new proxy instance // sets custom owner of proxy function build(address owner) public returns (DSProxy proxy) { proxy = new DSProxy(cache); emit Created(msg.sender, owner, address(proxy), address(cache)); proxy.setOwner(owner); isProxy[proxy] = true; } } // DSProxyCache // This global cache stores addresses of contracts previously deployed // by a proxy. This saves gas from repeat deployment of the same // contracts and eliminates blockchain bloat. // By default, all proxies deployed from the same factory store // contracts in the same cache. The cache a proxy instance uses can be // changed. The cache uses the sha3 hash of a contract's bytecode to // lookup the address contract DSProxyCache { mapping(bytes32 => address) cache; function read(bytes _code) public view returns (address) { bytes32 hash = keccak256(_code); return cache[hash]; } function write(bytes _code) public returns (address target) { assembly { target := create(0, add(_code, 0x20), mload(_code)) switch iszero(extcodesize(target)) case 1 { // throw if contract failed to deploy revert(0, 0) } } bytes32 hash = keccak256(_code); cache[hash] = target; } }
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// Copyright (C) 2018-2020 Maker Ecosystem Growth Holdings, INC. // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU Affero General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Affero General Public License for more details. // // You should have received a copy of the GNU Affero General Public License // along with this program. If not, see <https://www.gnu.org/licenses/>. pragma solidity ^0.5.12; contract VatLike { function urns(bytes32, address) public view returns (uint, uint); function hope(address) public; function flux(bytes32, address, address, uint) public; function move(address, address, uint) public; function frob(bytes32, address, address, address, int, int) public; function fork(bytes32, address, address, int, int) public; } contract UrnHandler { constructor(address vat) public { VatLike(vat).hope(msg.sender); } }
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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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{{ "language": "Solidity", "sources": { "contracts/tokens/NiftyERC721Token.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9; \n \n// ,|||||< ~|||||' `_+7ykKD%RDqmI*~` \n// 8@@@@@@8' `Q@@@@@` `^oB@@@@@@@@@@@@@@@@@R|` \n// !@@@@@@@@Q; L@@@@@J '}Q@@@@@@QqonzJfk8@@@@@@@Q, \n// Q@@@@@@@@@@j `Q@@@@Q` `m@@@@@@h^` `?Q@@@@@* \n// =@@@@@@@@@@@@D. 7@@@@@i ~Q@@@@@w' ^@@@@@* \n// Q@@@@@m@@@@@@@Q! `@@@@@Q ;@@@@@@; .txxxx: \n// |@@@@@u *@@@@@@@@z u@@@@@* `Q@@@@@^ \n// `Q@@@@Q` 'W@@@@@@@R.'@@@@@B 7@@@@@% :DDDDDDDDDDDDDD5 \n// c@@@@@7 `Z@@@@@@@QK@@@@@+ 6@@@@@K aQQQQQQQ@@@@@@@* \n// `@@@@@Q` ^Q@@@@@@@@@@@W j@@@@@@; ,6@@@@@@# \n// t@@@@@L ,8@@@@@@@@@@! 'Q@@@@@@u, .=A@@@@@@@@^ \n// .@@@@@Q }@@@@@@@@D 'd@@@@@@@@gUwwU%Q@@@@@@@@@@g \n// j@@@@@< +@@@@@@@; ;wQ@@@@@@@@@@@@@@@Wf;8@@@; \n// ~;;;;; .;;;;;~ '!Lx5mEEmyt|!' ;;;~ \n//\n// Powered By: @niftygateway\n// Author: @niftynathang\n// Collaborators: @conviction_1 \n// @stormihoebe\n// @smatthewenglish\n// @dccockfoster\n// @blainemalone\n \n \n\nimport \"./ERC721Omnibus.sol\";\nimport \"../interfaces/IERC2309.sol\";\nimport \"../interfaces/IERC721MetadataGenerator.sol\";\nimport \"../interfaces/IERC721DefaultOwnerCloneable.sol\";\nimport \"../structs/NiftyType.sol\";\nimport \"../utils/Ownable.sol\";\nimport \"../utils/Signable.sol\";\nimport \"../utils/Withdrawable.sol\";\nimport \"../utils/Royalties.sol\";\n\ncontract NiftyERC721Token is ERC721Omnibus, Royalties, Signable, Withdrawable, Ownable, IERC2309 { \n using Address for address; \n \n event NiftyTypeCreated(address indexed contractAddress, uint256 niftyType, uint256 idFirst, uint256 idLast);\n \n uint256 constant internal MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff; \n\n // A pointer to a contract that can generate token URI/metadata\n IERC721MetadataGenerator internal metadataGenerator;\n\n // Used to determine next nifty type/token ids to create on a mint call\n NiftyType internal lastNiftyType;\n\n // Sorted array of NiftyType definitions - ordered to allow binary searching\n NiftyType[] internal niftyTypes; \n\n // Mapping from Nifty type to IPFS hash of canonical artifact file.\n mapping(uint256 => string) private niftyTypeIPFSHashes;\n\n constructor() {\n \n } \n\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721Omnibus, Royalties, NiftyPermissions) returns (bool) {\n return \n interfaceId == type(IERC2309).interfaceId ||\n super.supportsInterface(interfaceId);\n } \n\n function setMetadataGenerator(address metadataGenerator_) external { \n _requireOnlyValidSender();\n if(metadataGenerator_ == address(0)) {\n metadataGenerator = IERC721MetadataGenerator(metadataGenerator_);\n } else {\n require(IERC165(metadataGenerator_).supportsInterface(type(IERC721MetadataGenerator).interfaceId), \"Invalid Metadata Generator\"); \n metadataGenerator = IERC721MetadataGenerator(metadataGenerator_);\n } \n }\n\n function finalizeContract() external {\n _requireOnlyValidSender();\n require(!collectionStatus.isContractFinalized, ERROR_CONTRACT_IS_FINALIZED); \n collectionStatus.isContractFinalized = true;\n }\n\n function tokenURI(uint256 tokenId) public virtual view override returns (string memory) {\n if(address(metadataGenerator) == address(0)) {\n return super.tokenURI(tokenId);\n } else {\n require(_exists(tokenId), ERROR_QUERY_FOR_NONEXISTENT_TOKEN); \n return metadataGenerator.tokenMetadata(tokenId, _getNiftyType(tokenId), bytes(\"\"));\n } \n }\n\n function contractURI() public virtual view override returns (string memory) {\n if(address(metadataGenerator) == address(0)) {\n return super.contractURI();\n } else { \n return metadataGenerator.contractMetadata();\n } \n }\n\n function tokenIPFSHash(uint256 tokenId) external view returns (string memory) {\n require(_exists(tokenId), ERROR_QUERY_FOR_NONEXISTENT_TOKEN); \n return niftyTypeIPFSHashes[_getNiftyType(tokenId)];\n } \n\n function setIPFSHash(uint256 niftyType, string memory ipfsHash) external {\n _requireOnlyValidSender();\n require(bytes(niftyTypeIPFSHashes[niftyType]).length == 0, \"ERC721Metadata: IPFS hash already set\");\n niftyTypeIPFSHashes[niftyType] = ipfsHash; \n }\n\n function mint(uint256[] calldata amounts, string[] calldata ipfsHashes) external {\n _requireOnlyValidSender();\n \n require(amounts.length > 0 && ipfsHashes.length > 0, ERROR_INPUT_ARRAY_EMPTY);\n require(amounts.length == ipfsHashes.length, ERROR_INPUT_ARRAY_SIZE_MISMATCH);\n\n address to = collectionStatus.defaultOwner; \n require(to != address(0), ERROR_TRANSFER_TO_ZERO_ADDRESS); \n require(!collectionStatus.isContractFinalized, ERROR_CONTRACT_IS_FINALIZED); \n \n uint88 initialIdLast = lastNiftyType.idLast;\n uint72 nextNiftyType = lastNiftyType.niftyType;\n uint88 nextIdCounter = initialIdLast + 1;\n uint88 firstNewTokenId = nextIdCounter;\n uint88 lastIdCounter = 0;\n\n for(uint256 i = 0; i < amounts.length; i++) {\n require(amounts[i] > 0, ERROR_NO_TOKENS_MINTED); \n uint88 amount = uint88(amounts[i]); \n lastIdCounter = nextIdCounter + amount - 1;\n nextNiftyType++;\n \n if(bytes(ipfsHashes[i]).length > 0) {\n niftyTypeIPFSHashes[nextNiftyType] = ipfsHashes[i];\n }\n \n niftyTypes.push(NiftyType({\n isMinted: true,\n niftyType: nextNiftyType, \n idFirst: nextIdCounter, \n idLast: lastIdCounter\n }));\n\n emit NiftyTypeCreated(address(this), nextNiftyType, nextIdCounter, lastIdCounter);\n\n nextIdCounter += amount; \n }\n \n uint256 newlyMinted = lastIdCounter - initialIdLast; \n \n balances[to] += newlyMinted;\n\n lastNiftyType.niftyType = nextNiftyType;\n lastNiftyType.idLast = lastIdCounter;\n\n collectionStatus.amountCreated += uint88(newlyMinted); \n\n emit ConsecutiveTransfer(firstNewTokenId, lastIdCounter, address(0), to);\n } \n\n function setBaseURI(string calldata uri) external {\n _requireOnlyValidSender();\n _setBaseURI(uri); \n }\n\n function exists(uint256 tokenId) public view returns (bool) {\n return _exists(tokenId);\n } \n\n function burn(uint256 tokenId) public {\n _burn(tokenId);\n }\n\n function burnBatch(uint256[] calldata tokenIds) public {\n require(tokenIds.length > 0, ERROR_INPUT_ARRAY_EMPTY);\n for(uint256 i = 0; i < tokenIds.length; i++) {\n _burn(tokenIds[i]);\n } \n }\n\n function getNiftyTypes() public view returns (NiftyType[] memory) {\n return niftyTypes;\n }\n\n function getNiftyTypeDetails(uint256 niftyType) public view returns (NiftyType memory) {\n uint256 niftyTypeIndex = MAX_INT;\n unchecked {\n niftyTypeIndex = niftyType - 1;\n }\n \n if(niftyTypeIndex >= niftyTypes.length) {\n revert('Nifty Type Does Not Exist');\n }\n return niftyTypes[niftyTypeIndex];\n } \n \n function _isValidTokenId(uint256 tokenId) internal virtual view override returns (bool) { \n return tokenId > 0 && tokenId <= collectionStatus.amountCreated;\n } \n\n // Performs a binary search of the nifty types array to find which nifty type a token id is associated with\n // This is more efficient than iterating the entire nifty type array until the proper entry is found.\n // This is O(log n) instead of O(n)\n function _getNiftyType(uint256 tokenId) internal virtual override view returns (uint256) { \n uint256 min = 0;\n uint256 max = niftyTypes.length - 1;\n uint256 guess = (max - min) / 2;\n \n while(guess < niftyTypes.length) {\n NiftyType storage guessResult = niftyTypes[guess];\n if(tokenId >= guessResult.idFirst && tokenId <= guessResult.idLast) {\n return guessResult.niftyType;\n } else if(tokenId > guessResult.idLast) {\n min = guess + 1;\n guess = min + (max - min) / 2;\n } else if(tokenId < guessResult.idFirst) {\n max = guess - 1;\n guess = min + (max - min) / 2;\n }\n }\n\n return 0;\n } \n}" }, "contracts/tokens/ERC721Omnibus.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./ERC721.sol\";\nimport \"../interfaces/IERC721DefaultOwnerCloneable.sol\";\n\nabstract contract ERC721Omnibus is ERC721, IERC721DefaultOwnerCloneable {\n \n struct TokenOwner {\n bool transferred;\n address ownerAddress;\n }\n\n struct CollectionStatus {\n bool isContractFinalized; // 1 byte\n uint88 amountCreated; // 11 bytes\n address defaultOwner; // 20 bytes\n } \n\n // Only allow Nifty Entity to be initialized once\n bool internal initializedDefaultOwner;\n CollectionStatus internal collectionStatus;\n\n // Mapping from token ID to owner address \n mapping(uint256 => TokenOwner) internal ownersOptimized; \n\n function initializeDefaultOwner(address defaultOwner_) public {\n require(!initializedDefaultOwner, ERROR_REINITIALIZATION_NOT_PERMITTED);\n collectionStatus.defaultOwner = defaultOwner_;\n initializedDefaultOwner = true;\n } \n\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, IERC165) returns (bool) {\n return \n interfaceId == type(IERC721DefaultOwnerCloneable).interfaceId ||\n super.supportsInterface(interfaceId);\n } \n\n function getCollectionStatus() public view virtual returns (CollectionStatus memory) {\n return collectionStatus;\n }\n \n function ownerOf(uint256 tokenId) public view virtual override returns (address owner) {\n require(_isValidTokenId(tokenId), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n owner = ownersOptimized[tokenId].transferred ? ownersOptimized[tokenId].ownerAddress : collectionStatus.defaultOwner;\n require(owner != address(0), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n } \n \n function _exists(uint256 tokenId) internal view virtual override returns (bool) {\n if(_isValidTokenId(tokenId)) { \n return ownersOptimized[tokenId].ownerAddress != address(0) || !ownersOptimized[tokenId].transferred;\n }\n return false; \n }\n \n function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual override returns (address owner, bool isApprovedOrOwner) {\n owner = ownerOf(tokenId);\n isApprovedOrOwner = (spender == owner || tokenApprovals[tokenId] == spender || isApprovedForAll(owner, spender));\n } \n\n function _clearOwnership(uint256 tokenId) internal virtual override {\n ownersOptimized[tokenId].transferred = true;\n ownersOptimized[tokenId].ownerAddress = address(0);\n }\n\n function _setOwnership(address to, uint256 tokenId) internal virtual override {\n ownersOptimized[tokenId].transferred = true;\n ownersOptimized[tokenId].ownerAddress = to;\n } \n\n function _isValidTokenId(uint256 /*tokenId*/) internal virtual view returns (bool); \n}" }, "contracts/interfaces/IERC2309.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @dev Interface of the ERC2309 standard as defined in the EIP.\n */\ninterface IERC2309 {\n \n /**\n * @dev Emitted when consecutive token ids in range ('fromTokenId') to ('toTokenId') are transferred from one account (`fromAddress`) to\n * another (`toAddress`).\n *\n * Note that `value` may be zero.\n */\n event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed fromAddress, address indexed toAddress);\n}" }, "contracts/interfaces/IERC721MetadataGenerator.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\n\ninterface IERC721MetadataGenerator is IERC165 {\n function contractMetadata() external view returns (string memory);\n function tokenMetadata(uint256 tokenId, uint256 niftyType, bytes calldata data) external view returns (string memory);\n}" }, "contracts/interfaces/IERC721DefaultOwnerCloneable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\n\ninterface IERC721DefaultOwnerCloneable is IERC165 {\n function initializeDefaultOwner(address defaultOwner_) external; \n}" }, "contracts/structs/NiftyType.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nstruct NiftyType {\n bool isMinted; // 1 bytes\n uint72 niftyType; // 9 bytes\n uint88 idFirst; // 11 bytes\n uint88 idLast; // 11 bytes\n}" }, "contracts/utils/Ownable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./NiftyPermissions.sol\";\n\nabstract contract Ownable is NiftyPermissions { \n \n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); \n\n function owner() public view virtual returns (address) {\n return _owner;\n }\n \n function transferOwnership(address newOwner) public virtual {\n _requireOnlyValidSender(); \n address oldOwner = _owner; \n _owner = newOwner; \n emit OwnershipTransferred(oldOwner, newOwner); \n }\n}" }, "contracts/utils/Signable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./NiftyPermissions.sol\";\nimport \"../libraries/ECDSA.sol\";\nimport \"../structs/SignatureStatus.sol\";\n\nabstract contract Signable is NiftyPermissions { \n\n event ContractSigned(address signer, bytes32 data, bytes signature);\n\n SignatureStatus public signatureStatus;\n bytes public signature;\n\n string internal constant ERROR_CONTRACT_ALREADY_SIGNED = \"Contract already signed\";\n string internal constant ERROR_CONTRACT_NOT_SALTED = \"Contract not salted\";\n string internal constant ERROR_INCORRECT_SECRET_SALT = \"Incorrect secret salt\";\n string internal constant ERROR_SALTED_HASH_SET_TO_ZERO = \"Salted hash set to zero\";\n string internal constant ERROR_SIGNER_SET_TO_ZERO = \"Signer set to zero address\";\n\n function setSigner(address signer_, bytes32 saltedHash_) external {\n _requireOnlyValidSender();\n\n require(signer_ != address(0), ERROR_SIGNER_SET_TO_ZERO);\n require(saltedHash_ != bytes32(0), ERROR_SALTED_HASH_SET_TO_ZERO);\n require(!signatureStatus.isVerified, ERROR_CONTRACT_ALREADY_SIGNED);\n \n signatureStatus.signer = signer_;\n signatureStatus.saltedHash = saltedHash_;\n signatureStatus.isSalted = true;\n }\n\n function sign(uint256 salt, bytes calldata signature_) external {\n require(!signatureStatus.isVerified, ERROR_CONTRACT_ALREADY_SIGNED); \n require(signatureStatus.isSalted, ERROR_CONTRACT_NOT_SALTED);\n \n address expectedSigner = signatureStatus.signer;\n bytes32 expectedSaltedHash = signatureStatus.saltedHash;\n\n require(_msgSender() == expectedSigner, ERROR_INVALID_MSG_SENDER);\n require(keccak256(abi.encodePacked(salt)) == expectedSaltedHash, ERROR_INCORRECT_SECRET_SALT);\n require(ECDSA.recover(ECDSA.toEthSignedMessageHash(expectedSaltedHash), signature_) == expectedSigner, ERROR_UNEXPECTED_DATA_SIGNER);\n \n signature = signature_; \n signatureStatus.isVerified = true;\n\n emit ContractSigned(expectedSigner, expectedSaltedHash, signature_);\n }\n}" }, "contracts/utils/Withdrawable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./RejectEther.sol\";\nimport \"./NiftyPermissions.sol\";\nimport \"../interfaces/IERC20.sol\";\nimport \"../interfaces/IERC721.sol\";\n\nabstract contract Withdrawable is RejectEther, NiftyPermissions {\n\n /**\n * @dev Slither identifies an issue with sending ETH to an arbitrary destianation.\n * https://github.com/crytic/slither/wiki/Detector-Documentation#functions-that-send-ether-to-arbitrary-destinations\n * Recommended mitigation is to \"Ensure that an arbitrary user cannot withdraw unauthorized funds.\"\n * This mitigation has been performed, as only the contract admin can call 'withdrawETH' and they should\n * verify the recipient should receive the ETH first.\n */\n function withdrawETH(address payable recipient, uint256 amount) external {\n _requireOnlyValidSender();\n require(amount > 0, ERROR_ZERO_ETH_TRANSFER);\n require(recipient != address(0), \"Transfer to zero address\");\n\n uint256 currentBalance = address(this).balance;\n require(amount <= currentBalance, ERROR_INSUFFICIENT_BALANCE);\n\n //slither-disable-next-line arbitrary-send \n (bool success,) = recipient.call{value: amount}(\"\");\n require(success, ERROR_WITHDRAW_UNSUCCESSFUL);\n }\n \n function withdrawERC20(address tokenContract, address recipient, uint256 amount) external {\n _requireOnlyValidSender();\n bool success = IERC20(tokenContract).transfer(recipient, amount);\n require(success, ERROR_WITHDRAW_UNSUCCESSFUL);\n }\n \n function withdrawERC721(address tokenContract, address recipient, uint256 tokenId) external {\n _requireOnlyValidSender();\n IERC721(tokenContract).safeTransferFrom(address(this), recipient, tokenId, \"\");\n } \n}" }, "contracts/utils/Royalties.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./NiftyPermissions.sol\";\nimport \"../libraries/Clones.sol\";\nimport \"../interfaces/IERC20.sol\";\nimport \"../interfaces/IERC721.sol\";\nimport \"../interfaces/IERC2981.sol\";\nimport \"../interfaces/ICloneablePaymentSplitter.sol\";\nimport \"../structs/RoyaltyRecipient.sol\";\n\nabstract contract Royalties is NiftyPermissions, IERC2981 {\n\n event RoyaltyReceiverUpdated(uint256 indexed niftyType, address previousReceiver, address newReceiver);\n\n uint256 constant public BIPS_PERCENTAGE_TOTAL = 10000;\n\n // Royalty information mapped by nifty type\n mapping (uint256 => RoyaltyRecipient) internal royaltyRecipients;\n\n function supportsInterface(bytes4 interfaceId) public view virtual override(NiftyPermissions, IERC165) returns (bool) {\n return\n interfaceId == type(IERC2981).interfaceId || \n super.supportsInterface(interfaceId);\n }\n\n function getRoyaltySettings(uint256 niftyType) public view returns (RoyaltyRecipient memory) {\n return royaltyRecipients[niftyType];\n }\n \n function setRoyaltyBips(uint256 niftyType, uint256 bips) external {\n _requireOnlyValidSender();\n require(bips <= BIPS_PERCENTAGE_TOTAL, ERROR_BIPS_OVER_100_PERCENT);\n royaltyRecipients[niftyType].bips = uint16(bips);\n }\n \n function royaltyInfo(uint256 tokenId, uint256 salePrice) public virtual override view returns (address, uint256) { \n uint256 niftyType = _getNiftyType(tokenId); \n return royaltyRecipients[niftyType].recipient == address(0) ? \n (address(0), 0) :\n (royaltyRecipients[niftyType].recipient, (salePrice * royaltyRecipients[niftyType].bips) / BIPS_PERCENTAGE_TOTAL);\n } \n\n function initializeRoyalties(uint256 niftyType, address splitterImplementation, address[] calldata payees, uint256[] calldata shares) external returns (address) {\n _requireOnlyValidSender(); \n address previousReceiver = royaltyRecipients[niftyType].recipient; \n royaltyRecipients[niftyType].isPaymentSplitter = payees.length > 1;\n royaltyRecipients[niftyType].recipient = payees.length == 1 ? payees[0] : _clonePaymentSplitter(splitterImplementation, payees, shares); \n emit RoyaltyReceiverUpdated(niftyType, previousReceiver, royaltyRecipients[niftyType].recipient); \n return royaltyRecipients[niftyType].recipient;\n } \n\n function getNiftyType(uint256 tokenId) public view returns (uint256) {\n return _getNiftyType(tokenId);\n } \n\n function getPaymentSplitterByNiftyType(uint256 niftyType) public virtual view returns (address) {\n return _getPaymentSplitter(niftyType);\n }\n\n function getPaymentSplitterByTokenId(uint256 tokenId) public virtual view returns (address) {\n return _getPaymentSplitter(_getNiftyType(tokenId));\n } \n\n function _getNiftyType(uint256 tokenId) internal virtual view returns (uint256) { \n return 0;\n }\n\n function _clonePaymentSplitter(address splitterImplementation, address[] calldata payees, uint256[] calldata shares_) internal returns (address) {\n require(IERC165(splitterImplementation).supportsInterface(type(ICloneablePaymentSplitter).interfaceId), ERROR_UNCLONEABLE_REFERENCE_CONTRACT);\n address clone = payable (Clones.clone(splitterImplementation));\n ICloneablePaymentSplitter(clone).initialize(payees, shares_); \n return clone;\n }\n\n function _getPaymentSplitter(uint256 niftyType) internal virtual view returns (address) { \n return royaltyRecipients[niftyType].isPaymentSplitter ? royaltyRecipients[niftyType].recipient : address(0); \n }\n}" }, "contracts/tokens/ERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./ERC721Errors.sol\";\nimport \"../interfaces/IERC721.sol\";\nimport \"../interfaces/IERC721Receiver.sol\";\nimport \"../interfaces/IERC721Metadata.sol\";\nimport \"../interfaces/IERC721Cloneable.sol\";\nimport \"../libraries/Address.sol\";\nimport \"../libraries/Context.sol\";\nimport \"../libraries/Strings.sol\";\nimport \"../utils/ERC165.sol\";\nimport \"../utils/GenericErrors.sol\";\n\n/**\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including\n * the Metadata extension, but not including the Enumerable extension, which is available separately as\n * {ERC721Enumerable}.\n */\nabstract contract ERC721 is Context, ERC165, ERC721Errors, GenericErrors, IERC721Metadata, IERC721Cloneable {\n using Address for address;\n using Strings for uint256;\n\n // Only allow ERC721 to be initialized once\n bool internal initializedERC721;\n\n // Token name\n string internal tokenName;\n\n // Token symbol\n string internal tokenSymbol;\n\n // Base URI For Offchain Metadata\n string internal baseMetadataURI; \n\n // Mapping from token ID to owner address\n mapping(uint256 => address) internal owners;\n\n // Mapping owner address to token count\n mapping(address => uint256) internal balances;\n\n // Mapping from token ID to approved address\n mapping(uint256 => address) internal tokenApprovals;\n\n // Mapping from owner to operator approvals\n mapping(address => mapping(address => bool)) internal operatorApprovals; \n\n function initializeERC721(string memory name_, string memory symbol_, string memory baseURI_) public override {\n require(!initializedERC721, ERROR_REINITIALIZATION_NOT_PERMITTED);\n tokenName = name_;\n tokenSymbol = symbol_;\n _setBaseURI(baseURI_);\n initializedERC721 = true;\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return\n interfaceId == type(IERC721).interfaceId ||\n interfaceId == type(IERC721Metadata).interfaceId ||\n interfaceId == type(IERC721Cloneable).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev See {IERC721-balanceOf}.\n */ \n function balanceOf(address owner) public view virtual override returns (uint256) {\n require(owner != address(0), ERROR_QUERY_FOR_ZERO_ADDRESS);\n return balances[owner];\n }\n\n /**\n * @dev See {IERC721-ownerOf}.\n */\n function ownerOf(uint256 tokenId) public view virtual override returns (address) {\n address owner = owners[tokenId];\n require(owner != address(0), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n return owner;\n }\n\n /**\n * @dev See {IERC721Metadata-name}.\n */ \n function name() public view virtual override returns (string memory) {\n return tokenName;\n }\n\n /**\n * @dev See {IERC721Metadata-symbol}.\n */ \n function symbol() public view virtual override returns (string memory) {\n return tokenSymbol;\n }\n\n /**\n * @dev See {IERC721Metadata-tokenURI}.\n */ \n function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n require(_exists(tokenId), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n\n string memory uriBase = baseURI();\n return bytes(uriBase).length > 0 ? string(abi.encodePacked(uriBase, tokenId.toString())) : \"\";\n }\n\n function baseURI() public view virtual returns (string memory) {\n return baseMetadataURI;\n }\n\n /**\n * @dev Storefront-level metadata for contract\n */\n function contractURI() public view virtual returns (string memory) {\n string memory uriBase = baseURI();\n return bytes(uriBase).length > 0 ? string(abi.encodePacked(uriBase, \"contract-metadata\")) : \"\";\n }\n\n /**\n * @dev Internal function to set the base URI\n */\n function _setBaseURI(string memory uri) internal {\n baseMetadataURI = uri; \n }\n\n /**\n * @dev See {IERC721-approve}.\n */ \n function approve(address to, uint256 tokenId) public virtual override {\n address owner = ownerOf(tokenId);\n require(to != owner, ERROR_APPROVAL_TO_CURRENT_OWNER);\n\n require(_msgSender() == owner || isApprovedForAll(owner, _msgSender()), ERROR_NOT_OWNER_NOR_APPROVED);\n\n _approve(owner, to, tokenId);\n }\n\n /**\n * @dev See {IERC721-getApproved}.\n */ \n function getApproved(uint256 tokenId) public view virtual override returns (address) {\n require(_exists(tokenId), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n return tokenApprovals[tokenId];\n }\n\n /**\n * @dev See {IERC721-setApprovalForAll}.\n */ \n function setApprovalForAll(address operator, bool approved) public virtual override {\n require(operator != _msgSender(), ERROR_APPROVE_TO_CALLER);\n operatorApprovals[_msgSender()][operator] = approved;\n emit ApprovalForAll(_msgSender(), operator, approved); \n }\n\n /**\n * @dev See {IERC721-isApprovedForAll}.\n */ \n function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n return operatorApprovals[owner][operator];\n }\n\n /**\n * @dev See {IERC721-transferFrom}.\n */ \n function transferFrom(address from, address to, uint256 tokenId) public virtual override { \n (address owner, bool isApprovedOrOwner) = _isApprovedOrOwner(_msgSender(), tokenId);\n require(isApprovedOrOwner, ERROR_NOT_OWNER_NOR_APPROVED);\n _transfer(owner, from, to, tokenId);\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */ \n function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */ \n function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual override {\n transferFrom(from, to, tokenId);\n require(_checkOnERC721Received(from, to, tokenId, data), ERROR_NOT_AN_ERC721_RECEIVER);\n } \n\n /**\n * @dev Returns whether `tokenId` exists.\n *\n * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n *\n * Tokens start existing when they are minted (`_mint`),\n * and stop existing when they are burned (`_burn`).\n */\n function _exists(uint256 tokenId) internal view virtual returns (bool) {\n return owners[tokenId] != address(0);\n }\n\n /**\n * @dev Returns whether `spender` is allowed to manage `tokenId`.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */ \n function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (address owner, bool isApprovedOrOwner) {\n owner = owners[tokenId];\n require(owner != address(0), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n isApprovedOrOwner = (spender == owner || tokenApprovals[tokenId] == spender || isApprovedForAll(owner, spender));\n } \n \n /**\n * @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n *\n * Emits a {Transfer} event.\n */\n function _burn(uint256 tokenId) internal virtual {\n address owner = ownerOf(tokenId);\n bool isApprovedOrOwner = (_msgSender() == owner || tokenApprovals[tokenId] == _msgSender() || isApprovedForAll(owner, _msgSender()));\n require(isApprovedOrOwner, ERROR_NOT_OWNER_NOR_APPROVED);\n\n // Clear approvals \n _clearApproval(owner, tokenId);\n\n balances[owner] -= 1;\n _clearOwnership(tokenId);\n\n emit Transfer(owner, address(0), tokenId);\n } \n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n * As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n *\n * Emits a {Transfer} event.\n */\n function _transfer(address owner, address from, address to, uint256 tokenId) internal virtual {\n require(owner == from, ERROR_TRANSFER_FROM_INCORRECT_OWNER);\n require(to != address(0), ERROR_TRANSFER_TO_ZERO_ADDRESS); \n\n // Clear approvals from the previous owner \n _clearApproval(owner, tokenId);\n\n balances[from] -= 1;\n balances[to] += 1;\n _setOwnership(to, tokenId);\n \n emit Transfer(from, to, tokenId); \n }\n\n /**\n * @dev Equivalent to approving address(0), but more gas efficient\n *\n * Emits a {Approval} event.\n */\n function _clearApproval(address owner, uint256 tokenId) internal virtual {\n delete tokenApprovals[tokenId];\n emit Approval(owner, address(0), tokenId);\n }\n\n /**\n * @dev Approve `to` to operate on `tokenId`\n *\n * Emits a {Approval} event.\n */\n function _approve(address owner, address to, uint256 tokenId) internal virtual {\n tokenApprovals[tokenId] = to;\n emit Approval(owner, to, tokenId);\n } \n\n function _clearOwnership(uint256 tokenId) internal virtual {\n delete owners[tokenId];\n }\n\n function _setOwnership(address to, uint256 tokenId) internal virtual {\n owners[tokenId] = to;\n }\n\n /**\n * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.\n * The call is not executed if the target address is not a contract.\n *\n * @param from address representing the previous owner of the given token ID\n * @param to target address that will receive the tokens\n * @param tokenId uint256 ID of the token to be transferred\n * @param _data bytes optional data to send along with the call\n * @return bool whether the call correctly returned the expected magic value\n *\n * @dev Slither identifies an issue with unused return value.\n * Reference: https://github.com/crytic/slither/wiki/Detector-Documentation#unused-return\n * This should be a non-issue. It is the standard OpenZeppelin implementation which has been heavily used and audited.\n */ \n function _checkOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) internal returns (bool) {\n if (to.isContract()) { \n try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {\n return retval == IERC721Receiver.onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert(ERROR_NOT_AN_ERC721_RECEIVER);\n } else { \n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n } else {\n return true;\n }\n } \n}" }, "contracts/tokens/ERC721Errors.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nabstract contract ERC721Errors {\n string internal constant ERROR_QUERY_FOR_ZERO_ADDRESS = \"Query for zero address\";\n string internal constant ERROR_QUERY_FOR_NONEXISTENT_TOKEN = \"Token does not exist\";\n string internal constant ERROR_APPROVAL_TO_CURRENT_OWNER = \"Current owner approval\";\n string internal constant ERROR_APPROVE_TO_CALLER = \"Approve to caller\";\n string internal constant ERROR_NOT_OWNER_NOR_APPROVED = \"Not owner nor approved\";\n string internal constant ERROR_NOT_AN_ERC721_RECEIVER = \"Not an ERC721Receiver\";\n string internal constant ERROR_TRANSFER_FROM_INCORRECT_OWNER = \"Transfer from incorrect owner\";\n string internal constant ERROR_TRANSFER_TO_ZERO_ADDRESS = \"Transfer to zero address\"; \n string internal constant ERROR_ALREADY_MINTED = \"Token already minted\"; \n string internal constant ERROR_NO_TOKENS_MINTED = \"No tokens minted\"; \n}" }, "contracts/interfaces/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n}" }, "contracts/interfaces/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}" }, "contracts/interfaces/IERC721Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Metadata is IERC721 {\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n}" }, "contracts/interfaces/IERC721Cloneable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC721.sol\";\n\ninterface IERC721Cloneable is IERC721 {\n function initializeERC721(string calldata name_, string calldata symbol_, string calldata baseURI_) external; \n}" }, "contracts/libraries/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}" }, "contracts/libraries/Context.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\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}" }, "contracts/libraries/Strings.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\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 // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\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 if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n}" }, "contracts/utils/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"../interfaces/IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}" }, "contracts/utils/GenericErrors.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nabstract contract GenericErrors {\n string internal constant ERROR_INPUT_ARRAY_EMPTY = \"Input array empty\";\n string internal constant ERROR_INPUT_ARRAY_SIZE_MISMATCH = \"Input array size mismatch\";\n string internal constant ERROR_INVALID_MSG_SENDER = \"Invalid msg.sender\";\n string internal constant ERROR_UNEXPECTED_DATA_SIGNER = \"Unexpected data signer\";\n string internal constant ERROR_INSUFFICIENT_BALANCE = \"Insufficient balance\";\n string internal constant ERROR_WITHDRAW_UNSUCCESSFUL = \"Withdraw unsuccessful\";\n string internal constant ERROR_CONTRACT_IS_FINALIZED = \"Contract is finalized\";\n string internal constant ERROR_CANNOT_CHANGE_DEFAULT_OWNER = \"Cannot change default owner\";\n string internal constant ERROR_UNCLONEABLE_REFERENCE_CONTRACT = \"Uncloneable reference contract\";\n string internal constant ERROR_BIPS_OVER_100_PERCENT = \"Bips over 100%\";\n string internal constant ERROR_NO_ROYALTY_RECEIVER = \"No royalty receiver\";\n string internal constant ERROR_REINITIALIZATION_NOT_PERMITTED = \"Re-initialization not permitted\";\n string internal constant ERROR_ZERO_ETH_TRANSFER = \"Zero ETH Transfer\";\n}" }, "contracts/interfaces/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\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}" }, "contracts/utils/NiftyPermissions.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./ERC165.sol\";\nimport \"./GenericErrors.sol\";\nimport \"../interfaces/INiftyEntityCloneable.sol\";\nimport \"../interfaces/INiftyRegistry.sol\";\nimport \"../libraries/Context.sol\";\n\nabstract contract NiftyPermissions is Context, ERC165, GenericErrors, INiftyEntityCloneable { \n\n event AdminTransferred(address indexed previousAdmin, address indexed newAdmin);\n\n // Only allow Nifty Entity to be initialized once\n bool internal initializedNiftyEntity;\n\n // If address(0), use enable Nifty Gateway permissions - otherwise, specifies the address with permissions\n address public admin;\n\n // To prevent a mistake, transferring admin rights will be a two step process\n // First, the current admin nominates a new admin\n // Second, the nominee accepts admin\n address public nominatedAdmin;\n\n // Nifty Registry Contract\n INiftyRegistry internal permissionsRegistry; \n\n function initializeNiftyEntity(address niftyRegistryContract_) public {\n require(!initializedNiftyEntity, ERROR_REINITIALIZATION_NOT_PERMITTED);\n permissionsRegistry = INiftyRegistry(niftyRegistryContract_);\n initializedNiftyEntity = true;\n } \n \n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return \n interfaceId == type(INiftyEntityCloneable).interfaceId ||\n super.supportsInterface(interfaceId);\n } \n\n function renounceAdmin() external {\n _requireOnlyValidSender();\n _transferAdmin(address(0));\n } \n\n function nominateAdmin(address nominee) external {\n _requireOnlyValidSender();\n nominatedAdmin = nominee;\n }\n\n function acceptAdmin() external {\n address nominee = nominatedAdmin;\n require(_msgSender() == nominee, ERROR_INVALID_MSG_SENDER);\n _transferAdmin(nominee);\n }\n \n function _requireOnlyValidSender() internal view { \n address currentAdmin = admin; \n if(currentAdmin == address(0)) {\n require(permissionsRegistry.isValidNiftySender(_msgSender()), ERROR_INVALID_MSG_SENDER);\n } else {\n require(_msgSender() == currentAdmin, ERROR_INVALID_MSG_SENDER);\n }\n } \n\n function _transferAdmin(address newAdmin) internal {\n address oldAdmin = admin;\n admin = newAdmin;\n delete nominatedAdmin; \n emit AdminTransferred(oldAdmin, newAdmin);\n }\n}" }, "contracts/interfaces/INiftyEntityCloneable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\n\ninterface INiftyEntityCloneable is IERC165 {\n function initializeNiftyEntity(address niftyRegistryContract_) external;\n}" }, "contracts/interfaces/INiftyRegistry.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\ninterface INiftyRegistry {\n function isValidNiftySender(address sendingKey) external view returns (bool);\n}" }, "contracts/libraries/ECDSA.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/cryptography/ECDSA.sol)\n\npragma solidity 0.8.9;\n\nimport \"./Strings.sol\";\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSA {\n enum RecoverError {\n NoError,\n InvalidSignature,\n InvalidSignatureLength,\n InvalidSignatureS,\n InvalidSignatureV\n }\n\n function _throwError(RecoverError error) private pure {\n if (error == RecoverError.NoError) {\n return; // no error: do nothing\n } else if (error == RecoverError.InvalidSignature) {\n revert(\"ECDSA: invalid signature\");\n } else if (error == RecoverError.InvalidSignatureLength) {\n revert(\"ECDSA: invalid signature length\");\n } else if (error == RecoverError.InvalidSignatureS) {\n revert(\"ECDSA: invalid signature 's' value\");\n } else if (error == RecoverError.InvalidSignatureV) {\n revert(\"ECDSA: invalid signature 'v' value\");\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature` or error string. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n *\n * Documentation for signature generation:\n * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n *\n * _Available since v4.3._\n */\n function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {\n // Check the signature length\n // - case 65: r,s,v signature (standard)\n // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._\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 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 if (signature.length == 64) {\n bytes32 r;\n bytes32 vs;\n // ecrecover takes the signature parameters, and the only way to get them\n // currently is to use assembly.\n assembly {\n r := mload(add(signature, 0x20))\n vs := mload(add(signature, 0x40))\n }\n return tryRecover(hash, r, vs);\n } else {\n return (address(0), RecoverError.InvalidSignatureLength);\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature`. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n */\n function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, signature);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n *\n * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n *\n * _Available since v4.3._\n */\n function tryRecover(\n bytes32 hash,\n bytes32 r,\n bytes32 vs\n ) internal pure returns (address, RecoverError) {\n bytes32 s;\n uint8 v;\n assembly {\n s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)\n v := add(shr(255, vs), 27)\n }\n return tryRecover(hash, v, r, s);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n *\n * _Available since v4.2._\n */\n function recover(\n bytes32 hash,\n bytes32 r,\n bytes32 vs\n ) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, r, vs);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n * `r` and `s` signature fields separately.\n *\n * _Available since v4.3._\n */\n function tryRecover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address, RecoverError) {\n // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n //\n // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n // these malleable signatures as well.\n if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n return (address(0), RecoverError.InvalidSignatureS);\n }\n if (v != 27 && v != 28) {\n return (address(0), RecoverError.InvalidSignatureV);\n }\n\n // If the signature is valid (and not malleable), return the signer address\n address signer = ecrecover(hash, v, r, s);\n if (signer == address(0)) {\n return (address(0), RecoverError.InvalidSignature);\n }\n\n return (signer, RecoverError.NoError);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `v`,\n * `r` and `s` signature fields separately.\n */\n function recover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, v, r, s);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from a `hash`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */ \n function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {\n // 32 is the length in bytes of hash,\n // enforced by the type signature above\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n32\", hash));\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from `s`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */\n function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n\", Strings.toString(s.length), s));\n }\n\n /**\n * @dev Returns an Ethereum Signed Typed Data, created from a\n * `domainSeparator` and a `structHash`. This produces hash corresponding\n * to the one signed with the\n * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]\n * JSON-RPC method as part of EIP-712.\n *\n * See {recover}.\n */\n function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19\\x01\", domainSeparator, structHash));\n }\n}\n" }, "contracts/structs/SignatureStatus.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nstruct SignatureStatus {\n bool isSalted;\n bool isVerified;\n address signer;\n bytes32 saltedHash;\n}" }, "contracts/utils/RejectEther.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @title A base contract that may be inherited in order to protect a contract from having its fallback function \n * invoked and to block the receipt of ETH by a contract.\n * @author Nathan Gang\n * @notice This contract bestows on inheritors the ability to block ETH transfers into the contract\n * @dev ETH may still be forced into the contract - it is impossible to block certain attacks, but this protects from accidental ETH deposits\n */\n // For more info, see: \"https://medium.com/@alexsherbuck/two-ways-to-force-ether-into-a-contract-1543c1311c56\"\nabstract contract RejectEther { \n\n /**\n * @dev For most contracts, it is safest to explicitly restrict the use of the fallback function\n * This would generally be invoked if sending ETH to this contract with a 'data' value provided\n */\n fallback() external payable { \n revert(\"Fallback function not permitted\");\n }\n\n /**\n * @dev This is the standard path where ETH would land if sending ETH to this contract without a 'data' value\n * In our case, we don't want our contract to receive ETH, so we restrict it here\n */\n receive() external payable {\n revert(\"Receiving ETH not permitted\");\n } \n}" }, "contracts/interfaces/IERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\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 `recipient`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address recipient, 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 `sender` to `recipient` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address sender,\n address recipient,\n uint256 amount\n ) external returns (bool);\n\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}" }, "contracts/libraries/Clones.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for\n * deploying minimal proxy contracts, also known as \"clones\".\n *\n * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies\n * > a minimal bytecode implementation that delegates all calls to a known, fixed address.\n *\n * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`\n * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the\n * deterministic method.\n *\n */\nlibrary Clones {\n /**\n * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.\n *\n * This function uses the create opcode, which should never revert.\n */\n function clone(address implementation) internal returns (address instance) {\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)\n mstore(add(ptr, 0x14), shl(0x60, implementation))\n mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)\n instance := create(0, ptr, 0x37)\n }\n require(instance != address(0), \"ERC1167: create failed\");\n }\n\n /**\n * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.\n *\n * This function uses the create2 opcode and a `salt` to deterministically deploy\n * the clone. Using the same `implementation` and `salt` multiple time will revert, since\n * the clones cannot be deployed twice at the same address.\n */\n function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)\n mstore(add(ptr, 0x14), shl(0x60, implementation))\n mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)\n instance := create2(0, ptr, 0x37, salt)\n }\n require(instance != address(0), \"ERC1167: create2 failed\");\n }\n\n /**\n * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.\n */\n function predictDeterministicAddress(\n address implementation,\n bytes32 salt,\n address deployer\n ) internal pure returns (address predicted) {\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)\n mstore(add(ptr, 0x14), shl(0x60, implementation))\n mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)\n mstore(add(ptr, 0x38), shl(0x60, deployer))\n mstore(add(ptr, 0x4c), salt)\n mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))\n predicted := keccak256(add(ptr, 0x37), 0x55)\n }\n }\n\n /**\n * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.\n */\n function predictDeterministicAddress(address implementation, bytes32 salt)\n internal\n view\n returns (address predicted)\n {\n return predictDeterministicAddress(implementation, salt, address(this));\n }\n}" }, "contracts/interfaces/IERC2981.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n */\ninterface IERC2981 is IERC165 {\n /**\n * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n * exchange. The royalty amount is denominated and should be payed in that same unit of exchange.\n */\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n returns (address receiver, uint256 royaltyAmount);\n}" }, "contracts/interfaces/ICloneablePaymentSplitter.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\nimport \"../libraries/SafeERC20.sol\";\n\ninterface ICloneablePaymentSplitter is IERC165 {\n \n event PayeeAdded(address account, uint256 shares);\n event PaymentReleased(address to, uint256 amount);\n event ERC20PaymentReleased(IERC20 indexed token, address to, uint256 amount);\n event PaymentReceived(address from, uint256 amount);\n \n function initialize(address[] calldata payees, uint256[] calldata shares_) external; \n function totalShares() external view returns (uint256); \n function totalReleased() external view returns (uint256);\n function totalReleased(IERC20 token) external view returns (uint256);\n function shares(address account) external view returns (uint256); \n function released(address account) external view returns (uint256);\n function released(IERC20 token, address account) external view returns (uint256);\n function payee(uint256 index) external view returns (address); \n function release(address payable account) external;\n function release(IERC20 token, address account) external;\n function pendingPayment(address account) external view returns (uint256);\n function pendingPayment(IERC20 token, address account) external view returns (uint256);\n}\n" }, "contracts/structs/RoyaltyRecipient.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nstruct RoyaltyRecipient {\n bool isPaymentSplitter; // 1 byte\n uint16 bips; // 2 bytes\n address recipient; // 20 bytes\n}" }, "contracts/libraries/SafeERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"../interfaces/IERC20.sol\";\nimport \"./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 function safeTransfer(\n IERC20 token,\n address to,\n uint256 value\n ) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n }\n\n function safeTransferFrom(\n IERC20 token,\n address from,\n address to,\n uint256 value\n ) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n }\n\n /**\n * @dev 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 if (returndata.length > 0) {\n // Return data is optional\n require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n }\n }\n}\n" } }, "settings": { "optimizer": { "enabled": true, "runs": 1500 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} } }}
1
19,500,291
05c28cdccac18fa6c2ce14db0b415546b6d7e3b7bab758ca34bbb86c1e59df66
94dea91ec2459b03acd5bc8ca20ea4686d1b1174f5a2b538be48a1c8bb9a842d
05ff790ec293855d97d2f043e64c3daafe1c7c05
1e68238ce926dec62b3fbc99ab06eb1d85ce0270
bedf22dbb04b8fe2dff85397b3f50e8100d03812
3d602d80600a3d3981f3363d3d373d3d3d363d73933fbfeb4ed1f111d12a39c2ab48657e6fc875c65af43d82803e903d91602b57fd5bf3
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": { "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } }, "metadata": { "useLiteralContent": true } } }}
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1e3c914aab4dcff5ab9ad03103a0bafcff1b7eb1
c4bd13d85c8050e55f456ccedea799e2df2a1f8c
2856ee394a970a5b8f3d76429bf54b94be449067
3d602d80600a3d3981f3363d3d373d3d3d363d73ee2c03ced8b6755e8d76ab144677f5f350203cab5af43d82803e903d91602b57fd5bf3
363d3d373d3d3d363d73ee2c03ced8b6755e8d76ab144677f5f350203cab5af43d82803e903d91602b57fd5bf3
{{ "language": "Solidity", "sources": { "contracts/tokens/NiftyERC721Token.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9; \n \n// ,|||||< ~|||||' `_+7ykKD%RDqmI*~` \n// 8@@@@@@8' `Q@@@@@` `^oB@@@@@@@@@@@@@@@@@R|` \n// !@@@@@@@@Q; L@@@@@J '}Q@@@@@@QqonzJfk8@@@@@@@Q, \n// Q@@@@@@@@@@j `Q@@@@Q` `m@@@@@@h^` `?Q@@@@@* \n// =@@@@@@@@@@@@D. 7@@@@@i ~Q@@@@@w' ^@@@@@* \n// Q@@@@@m@@@@@@@Q! `@@@@@Q ;@@@@@@; .txxxx: \n// |@@@@@u *@@@@@@@@z u@@@@@* `Q@@@@@^ \n// `Q@@@@Q` 'W@@@@@@@R.'@@@@@B 7@@@@@% :DDDDDDDDDDDDDD5 \n// c@@@@@7 `Z@@@@@@@QK@@@@@+ 6@@@@@K aQQQQQQQ@@@@@@@* \n// `@@@@@Q` ^Q@@@@@@@@@@@W j@@@@@@; ,6@@@@@@# \n// t@@@@@L ,8@@@@@@@@@@! 'Q@@@@@@u, .=A@@@@@@@@^ \n// .@@@@@Q }@@@@@@@@D 'd@@@@@@@@gUwwU%Q@@@@@@@@@@g \n// j@@@@@< +@@@@@@@; ;wQ@@@@@@@@@@@@@@@Wf;8@@@; \n// ~;;;;; .;;;;;~ '!Lx5mEEmyt|!' ;;;~ \n//\n// Powered By: @niftygateway\n// Author: @niftynathang\n// Collaborators: @conviction_1 \n// @stormihoebe\n// @smatthewenglish\n// @dccockfoster\n// @blainemalone\n \n \n\nimport \"./ERC721Omnibus.sol\";\nimport \"../interfaces/IERC2309.sol\";\nimport \"../interfaces/IERC721MetadataGenerator.sol\";\nimport \"../interfaces/IERC721DefaultOwnerCloneable.sol\";\nimport \"../structs/NiftyType.sol\";\nimport \"../utils/Ownable.sol\";\nimport \"../utils/Signable.sol\";\nimport \"../utils/Withdrawable.sol\";\nimport \"../utils/Royalties.sol\";\n\ncontract NiftyERC721Token is ERC721Omnibus, Royalties, Signable, Withdrawable, Ownable, IERC2309 { \n using Address for address; \n \n event NiftyTypeCreated(address indexed contractAddress, uint256 niftyType, uint256 idFirst, uint256 idLast);\n \n uint256 constant internal MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff; \n\n // A pointer to a contract that can generate token URI/metadata\n IERC721MetadataGenerator internal metadataGenerator;\n\n // Used to determine next nifty type/token ids to create on a mint call\n NiftyType internal lastNiftyType;\n\n // Sorted array of NiftyType definitions - ordered to allow binary searching\n NiftyType[] internal niftyTypes; \n\n // Mapping from Nifty type to IPFS hash of canonical artifact file.\n mapping(uint256 => string) private niftyTypeIPFSHashes;\n\n constructor() {\n \n } \n\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721Omnibus, Royalties, NiftyPermissions) returns (bool) {\n return \n interfaceId == type(IERC2309).interfaceId ||\n super.supportsInterface(interfaceId);\n } \n\n function setMetadataGenerator(address metadataGenerator_) external { \n _requireOnlyValidSender();\n if(metadataGenerator_ == address(0)) {\n metadataGenerator = IERC721MetadataGenerator(metadataGenerator_);\n } else {\n require(IERC165(metadataGenerator_).supportsInterface(type(IERC721MetadataGenerator).interfaceId), \"Invalid Metadata Generator\"); \n metadataGenerator = IERC721MetadataGenerator(metadataGenerator_);\n } \n }\n\n function finalizeContract() external {\n _requireOnlyValidSender();\n require(!collectionStatus.isContractFinalized, ERROR_CONTRACT_IS_FINALIZED); \n collectionStatus.isContractFinalized = true;\n }\n\n function tokenURI(uint256 tokenId) public virtual view override returns (string memory) {\n if(address(metadataGenerator) == address(0)) {\n return super.tokenURI(tokenId);\n } else {\n require(_exists(tokenId), ERROR_QUERY_FOR_NONEXISTENT_TOKEN); \n return metadataGenerator.tokenMetadata(tokenId, _getNiftyType(tokenId), bytes(\"\"));\n } \n }\n\n function contractURI() public virtual view override returns (string memory) {\n if(address(metadataGenerator) == address(0)) {\n return super.contractURI();\n } else { \n return metadataGenerator.contractMetadata();\n } \n }\n\n function tokenIPFSHash(uint256 tokenId) external view returns (string memory) {\n require(_exists(tokenId), ERROR_QUERY_FOR_NONEXISTENT_TOKEN); \n return niftyTypeIPFSHashes[_getNiftyType(tokenId)];\n } \n\n function setIPFSHash(uint256 niftyType, string memory ipfsHash) external {\n _requireOnlyValidSender();\n require(bytes(niftyTypeIPFSHashes[niftyType]).length == 0, \"ERC721Metadata: IPFS hash already set\");\n niftyTypeIPFSHashes[niftyType] = ipfsHash; \n }\n\n function mint(uint256[] calldata amounts, string[] calldata ipfsHashes) external {\n _requireOnlyValidSender();\n \n require(amounts.length > 0 && ipfsHashes.length > 0, ERROR_INPUT_ARRAY_EMPTY);\n require(amounts.length == ipfsHashes.length, ERROR_INPUT_ARRAY_SIZE_MISMATCH);\n\n address to = collectionStatus.defaultOwner; \n require(to != address(0), ERROR_TRANSFER_TO_ZERO_ADDRESS); \n require(!collectionStatus.isContractFinalized, ERROR_CONTRACT_IS_FINALIZED); \n \n uint88 initialIdLast = lastNiftyType.idLast;\n uint72 nextNiftyType = lastNiftyType.niftyType;\n uint88 nextIdCounter = initialIdLast + 1;\n uint88 firstNewTokenId = nextIdCounter;\n uint88 lastIdCounter = 0;\n\n for(uint256 i = 0; i < amounts.length; i++) {\n require(amounts[i] > 0, ERROR_NO_TOKENS_MINTED); \n uint88 amount = uint88(amounts[i]); \n lastIdCounter = nextIdCounter + amount - 1;\n nextNiftyType++;\n \n if(bytes(ipfsHashes[i]).length > 0) {\n niftyTypeIPFSHashes[nextNiftyType] = ipfsHashes[i];\n }\n \n niftyTypes.push(NiftyType({\n isMinted: true,\n niftyType: nextNiftyType, \n idFirst: nextIdCounter, \n idLast: lastIdCounter\n }));\n\n emit NiftyTypeCreated(address(this), nextNiftyType, nextIdCounter, lastIdCounter);\n\n nextIdCounter += amount; \n }\n \n uint256 newlyMinted = lastIdCounter - initialIdLast; \n \n balances[to] += newlyMinted;\n\n lastNiftyType.niftyType = nextNiftyType;\n lastNiftyType.idLast = lastIdCounter;\n\n collectionStatus.amountCreated += uint88(newlyMinted); \n\n emit ConsecutiveTransfer(firstNewTokenId, lastIdCounter, address(0), to);\n } \n\n function setBaseURI(string calldata uri) external {\n _requireOnlyValidSender();\n _setBaseURI(uri); \n }\n\n function exists(uint256 tokenId) public view returns (bool) {\n return _exists(tokenId);\n } \n\n function burn(uint256 tokenId) public {\n _burn(tokenId);\n }\n\n function burnBatch(uint256[] calldata tokenIds) public {\n require(tokenIds.length > 0, ERROR_INPUT_ARRAY_EMPTY);\n for(uint256 i = 0; i < tokenIds.length; i++) {\n _burn(tokenIds[i]);\n } \n }\n\n function getNiftyTypes() public view returns (NiftyType[] memory) {\n return niftyTypes;\n }\n\n function getNiftyTypeDetails(uint256 niftyType) public view returns (NiftyType memory) {\n uint256 niftyTypeIndex = MAX_INT;\n unchecked {\n niftyTypeIndex = niftyType - 1;\n }\n \n if(niftyTypeIndex >= niftyTypes.length) {\n revert('Nifty Type Does Not Exist');\n }\n return niftyTypes[niftyTypeIndex];\n } \n \n function _isValidTokenId(uint256 tokenId) internal virtual view override returns (bool) { \n return tokenId > 0 && tokenId <= collectionStatus.amountCreated;\n } \n\n // Performs a binary search of the nifty types array to find which nifty type a token id is associated with\n // This is more efficient than iterating the entire nifty type array until the proper entry is found.\n // This is O(log n) instead of O(n)\n function _getNiftyType(uint256 tokenId) internal virtual override view returns (uint256) { \n uint256 min = 0;\n uint256 max = niftyTypes.length - 1;\n uint256 guess = (max - min) / 2;\n \n while(guess < niftyTypes.length) {\n NiftyType storage guessResult = niftyTypes[guess];\n if(tokenId >= guessResult.idFirst && tokenId <= guessResult.idLast) {\n return guessResult.niftyType;\n } else if(tokenId > guessResult.idLast) {\n min = guess + 1;\n guess = min + (max - min) / 2;\n } else if(tokenId < guessResult.idFirst) {\n max = guess - 1;\n guess = min + (max - min) / 2;\n }\n }\n\n return 0;\n } \n}" }, "contracts/tokens/ERC721Omnibus.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./ERC721.sol\";\nimport \"../interfaces/IERC721DefaultOwnerCloneable.sol\";\n\nabstract contract ERC721Omnibus is ERC721, IERC721DefaultOwnerCloneable {\n \n struct TokenOwner {\n bool transferred;\n address ownerAddress;\n }\n\n struct CollectionStatus {\n bool isContractFinalized; // 1 byte\n uint88 amountCreated; // 11 bytes\n address defaultOwner; // 20 bytes\n } \n\n // Only allow Nifty Entity to be initialized once\n bool internal initializedDefaultOwner;\n CollectionStatus internal collectionStatus;\n\n // Mapping from token ID to owner address \n mapping(uint256 => TokenOwner) internal ownersOptimized; \n\n function initializeDefaultOwner(address defaultOwner_) public {\n require(!initializedDefaultOwner, ERROR_REINITIALIZATION_NOT_PERMITTED);\n collectionStatus.defaultOwner = defaultOwner_;\n initializedDefaultOwner = true;\n } \n\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, IERC165) returns (bool) {\n return \n interfaceId == type(IERC721DefaultOwnerCloneable).interfaceId ||\n super.supportsInterface(interfaceId);\n } \n\n function getCollectionStatus() public view virtual returns (CollectionStatus memory) {\n return collectionStatus;\n }\n \n function ownerOf(uint256 tokenId) public view virtual override returns (address owner) {\n require(_isValidTokenId(tokenId), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n owner = ownersOptimized[tokenId].transferred ? ownersOptimized[tokenId].ownerAddress : collectionStatus.defaultOwner;\n require(owner != address(0), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n } \n \n function _exists(uint256 tokenId) internal view virtual override returns (bool) {\n if(_isValidTokenId(tokenId)) { \n return ownersOptimized[tokenId].ownerAddress != address(0) || !ownersOptimized[tokenId].transferred;\n }\n return false; \n }\n \n function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual override returns (address owner, bool isApprovedOrOwner) {\n owner = ownerOf(tokenId);\n isApprovedOrOwner = (spender == owner || tokenApprovals[tokenId] == spender || isApprovedForAll(owner, spender));\n } \n\n function _clearOwnership(uint256 tokenId) internal virtual override {\n ownersOptimized[tokenId].transferred = true;\n ownersOptimized[tokenId].ownerAddress = address(0);\n }\n\n function _setOwnership(address to, uint256 tokenId) internal virtual override {\n ownersOptimized[tokenId].transferred = true;\n ownersOptimized[tokenId].ownerAddress = to;\n } \n\n function _isValidTokenId(uint256 /*tokenId*/) internal virtual view returns (bool); \n}" }, "contracts/interfaces/IERC2309.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @dev Interface of the ERC2309 standard as defined in the EIP.\n */\ninterface IERC2309 {\n \n /**\n * @dev Emitted when consecutive token ids in range ('fromTokenId') to ('toTokenId') are transferred from one account (`fromAddress`) to\n * another (`toAddress`).\n *\n * Note that `value` may be zero.\n */\n event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed fromAddress, address indexed toAddress);\n}" }, "contracts/interfaces/IERC721MetadataGenerator.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\n\ninterface IERC721MetadataGenerator is IERC165 {\n function contractMetadata() external view returns (string memory);\n function tokenMetadata(uint256 tokenId, uint256 niftyType, bytes calldata data) external view returns (string memory);\n}" }, "contracts/interfaces/IERC721DefaultOwnerCloneable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\n\ninterface IERC721DefaultOwnerCloneable is IERC165 {\n function initializeDefaultOwner(address defaultOwner_) external; \n}" }, "contracts/structs/NiftyType.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nstruct NiftyType {\n bool isMinted; // 1 bytes\n uint72 niftyType; // 9 bytes\n uint88 idFirst; // 11 bytes\n uint88 idLast; // 11 bytes\n}" }, "contracts/utils/Ownable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./NiftyPermissions.sol\";\n\nabstract contract Ownable is NiftyPermissions { \n \n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); \n\n function owner() public view virtual returns (address) {\n return _owner;\n }\n \n function transferOwnership(address newOwner) public virtual {\n _requireOnlyValidSender(); \n address oldOwner = _owner; \n _owner = newOwner; \n emit OwnershipTransferred(oldOwner, newOwner); \n }\n}" }, "contracts/utils/Signable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./NiftyPermissions.sol\";\nimport \"../libraries/ECDSA.sol\";\nimport \"../structs/SignatureStatus.sol\";\n\nabstract contract Signable is NiftyPermissions { \n\n event ContractSigned(address signer, bytes32 data, bytes signature);\n\n SignatureStatus public signatureStatus;\n bytes public signature;\n\n string internal constant ERROR_CONTRACT_ALREADY_SIGNED = \"Contract already signed\";\n string internal constant ERROR_CONTRACT_NOT_SALTED = \"Contract not salted\";\n string internal constant ERROR_INCORRECT_SECRET_SALT = \"Incorrect secret salt\";\n string internal constant ERROR_SALTED_HASH_SET_TO_ZERO = \"Salted hash set to zero\";\n string internal constant ERROR_SIGNER_SET_TO_ZERO = \"Signer set to zero address\";\n\n function setSigner(address signer_, bytes32 saltedHash_) external {\n _requireOnlyValidSender();\n\n require(signer_ != address(0), ERROR_SIGNER_SET_TO_ZERO);\n require(saltedHash_ != bytes32(0), ERROR_SALTED_HASH_SET_TO_ZERO);\n require(!signatureStatus.isVerified, ERROR_CONTRACT_ALREADY_SIGNED);\n \n signatureStatus.signer = signer_;\n signatureStatus.saltedHash = saltedHash_;\n signatureStatus.isSalted = true;\n }\n\n function sign(uint256 salt, bytes calldata signature_) external {\n require(!signatureStatus.isVerified, ERROR_CONTRACT_ALREADY_SIGNED); \n require(signatureStatus.isSalted, ERROR_CONTRACT_NOT_SALTED);\n \n address expectedSigner = signatureStatus.signer;\n bytes32 expectedSaltedHash = signatureStatus.saltedHash;\n\n require(_msgSender() == expectedSigner, ERROR_INVALID_MSG_SENDER);\n require(keccak256(abi.encodePacked(salt)) == expectedSaltedHash, ERROR_INCORRECT_SECRET_SALT);\n require(ECDSA.recover(ECDSA.toEthSignedMessageHash(expectedSaltedHash), signature_) == expectedSigner, ERROR_UNEXPECTED_DATA_SIGNER);\n \n signature = signature_; \n signatureStatus.isVerified = true;\n\n emit ContractSigned(expectedSigner, expectedSaltedHash, signature_);\n }\n}" }, "contracts/utils/Withdrawable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./RejectEther.sol\";\nimport \"./NiftyPermissions.sol\";\nimport \"../interfaces/IERC20.sol\";\nimport \"../interfaces/IERC721.sol\";\n\nabstract contract Withdrawable is RejectEther, NiftyPermissions {\n\n /**\n * @dev Slither identifies an issue with sending ETH to an arbitrary destianation.\n * https://github.com/crytic/slither/wiki/Detector-Documentation#functions-that-send-ether-to-arbitrary-destinations\n * Recommended mitigation is to \"Ensure that an arbitrary user cannot withdraw unauthorized funds.\"\n * This mitigation has been performed, as only the contract admin can call 'withdrawETH' and they should\n * verify the recipient should receive the ETH first.\n */\n function withdrawETH(address payable recipient, uint256 amount) external {\n _requireOnlyValidSender();\n require(amount > 0, ERROR_ZERO_ETH_TRANSFER);\n require(recipient != address(0), \"Transfer to zero address\");\n\n uint256 currentBalance = address(this).balance;\n require(amount <= currentBalance, ERROR_INSUFFICIENT_BALANCE);\n\n //slither-disable-next-line arbitrary-send \n (bool success,) = recipient.call{value: amount}(\"\");\n require(success, ERROR_WITHDRAW_UNSUCCESSFUL);\n }\n \n function withdrawERC20(address tokenContract, address recipient, uint256 amount) external {\n _requireOnlyValidSender();\n bool success = IERC20(tokenContract).transfer(recipient, amount);\n require(success, ERROR_WITHDRAW_UNSUCCESSFUL);\n }\n \n function withdrawERC721(address tokenContract, address recipient, uint256 tokenId) external {\n _requireOnlyValidSender();\n IERC721(tokenContract).safeTransferFrom(address(this), recipient, tokenId, \"\");\n } \n}" }, "contracts/utils/Royalties.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./NiftyPermissions.sol\";\nimport \"../libraries/Clones.sol\";\nimport \"../interfaces/IERC20.sol\";\nimport \"../interfaces/IERC721.sol\";\nimport \"../interfaces/IERC2981.sol\";\nimport \"../interfaces/ICloneablePaymentSplitter.sol\";\nimport \"../structs/RoyaltyRecipient.sol\";\n\nabstract contract Royalties is NiftyPermissions, IERC2981 {\n\n event RoyaltyReceiverUpdated(uint256 indexed niftyType, address previousReceiver, address newReceiver);\n\n uint256 constant public BIPS_PERCENTAGE_TOTAL = 10000;\n\n // Royalty information mapped by nifty type\n mapping (uint256 => RoyaltyRecipient) internal royaltyRecipients;\n\n function supportsInterface(bytes4 interfaceId) public view virtual override(NiftyPermissions, IERC165) returns (bool) {\n return\n interfaceId == type(IERC2981).interfaceId || \n super.supportsInterface(interfaceId);\n }\n\n function getRoyaltySettings(uint256 niftyType) public view returns (RoyaltyRecipient memory) {\n return royaltyRecipients[niftyType];\n }\n \n function setRoyaltyBips(uint256 niftyType, uint256 bips) external {\n _requireOnlyValidSender();\n require(bips <= BIPS_PERCENTAGE_TOTAL, ERROR_BIPS_OVER_100_PERCENT);\n royaltyRecipients[niftyType].bips = uint16(bips);\n }\n \n function royaltyInfo(uint256 tokenId, uint256 salePrice) public virtual override view returns (address, uint256) { \n uint256 niftyType = _getNiftyType(tokenId); \n return royaltyRecipients[niftyType].recipient == address(0) ? \n (address(0), 0) :\n (royaltyRecipients[niftyType].recipient, (salePrice * royaltyRecipients[niftyType].bips) / BIPS_PERCENTAGE_TOTAL);\n } \n\n function initializeRoyalties(uint256 niftyType, address splitterImplementation, address[] calldata payees, uint256[] calldata shares) external returns (address) {\n _requireOnlyValidSender(); \n address previousReceiver = royaltyRecipients[niftyType].recipient; \n royaltyRecipients[niftyType].isPaymentSplitter = payees.length > 1;\n royaltyRecipients[niftyType].recipient = payees.length == 1 ? payees[0] : _clonePaymentSplitter(splitterImplementation, payees, shares); \n emit RoyaltyReceiverUpdated(niftyType, previousReceiver, royaltyRecipients[niftyType].recipient); \n return royaltyRecipients[niftyType].recipient;\n } \n\n function getNiftyType(uint256 tokenId) public view returns (uint256) {\n return _getNiftyType(tokenId);\n } \n\n function getPaymentSplitterByNiftyType(uint256 niftyType) public virtual view returns (address) {\n return _getPaymentSplitter(niftyType);\n }\n\n function getPaymentSplitterByTokenId(uint256 tokenId) public virtual view returns (address) {\n return _getPaymentSplitter(_getNiftyType(tokenId));\n } \n\n function _getNiftyType(uint256 tokenId) internal virtual view returns (uint256) { \n return 0;\n }\n\n function _clonePaymentSplitter(address splitterImplementation, address[] calldata payees, uint256[] calldata shares_) internal returns (address) {\n require(IERC165(splitterImplementation).supportsInterface(type(ICloneablePaymentSplitter).interfaceId), ERROR_UNCLONEABLE_REFERENCE_CONTRACT);\n address clone = payable (Clones.clone(splitterImplementation));\n ICloneablePaymentSplitter(clone).initialize(payees, shares_); \n return clone;\n }\n\n function _getPaymentSplitter(uint256 niftyType) internal virtual view returns (address) { \n return royaltyRecipients[niftyType].isPaymentSplitter ? royaltyRecipients[niftyType].recipient : address(0); \n }\n}" }, "contracts/tokens/ERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./ERC721Errors.sol\";\nimport \"../interfaces/IERC721.sol\";\nimport \"../interfaces/IERC721Receiver.sol\";\nimport \"../interfaces/IERC721Metadata.sol\";\nimport \"../interfaces/IERC721Cloneable.sol\";\nimport \"../libraries/Address.sol\";\nimport \"../libraries/Context.sol\";\nimport \"../libraries/Strings.sol\";\nimport \"../utils/ERC165.sol\";\nimport \"../utils/GenericErrors.sol\";\n\n/**\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including\n * the Metadata extension, but not including the Enumerable extension, which is available separately as\n * {ERC721Enumerable}.\n */\nabstract contract ERC721 is Context, ERC165, ERC721Errors, GenericErrors, IERC721Metadata, IERC721Cloneable {\n using Address for address;\n using Strings for uint256;\n\n // Only allow ERC721 to be initialized once\n bool internal initializedERC721;\n\n // Token name\n string internal tokenName;\n\n // Token symbol\n string internal tokenSymbol;\n\n // Base URI For Offchain Metadata\n string internal baseMetadataURI; \n\n // Mapping from token ID to owner address\n mapping(uint256 => address) internal owners;\n\n // Mapping owner address to token count\n mapping(address => uint256) internal balances;\n\n // Mapping from token ID to approved address\n mapping(uint256 => address) internal tokenApprovals;\n\n // Mapping from owner to operator approvals\n mapping(address => mapping(address => bool)) internal operatorApprovals; \n\n function initializeERC721(string memory name_, string memory symbol_, string memory baseURI_) public override {\n require(!initializedERC721, ERROR_REINITIALIZATION_NOT_PERMITTED);\n tokenName = name_;\n tokenSymbol = symbol_;\n _setBaseURI(baseURI_);\n initializedERC721 = true;\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return\n interfaceId == type(IERC721).interfaceId ||\n interfaceId == type(IERC721Metadata).interfaceId ||\n interfaceId == type(IERC721Cloneable).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev See {IERC721-balanceOf}.\n */ \n function balanceOf(address owner) public view virtual override returns (uint256) {\n require(owner != address(0), ERROR_QUERY_FOR_ZERO_ADDRESS);\n return balances[owner];\n }\n\n /**\n * @dev See {IERC721-ownerOf}.\n */\n function ownerOf(uint256 tokenId) public view virtual override returns (address) {\n address owner = owners[tokenId];\n require(owner != address(0), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n return owner;\n }\n\n /**\n * @dev See {IERC721Metadata-name}.\n */ \n function name() public view virtual override returns (string memory) {\n return tokenName;\n }\n\n /**\n * @dev See {IERC721Metadata-symbol}.\n */ \n function symbol() public view virtual override returns (string memory) {\n return tokenSymbol;\n }\n\n /**\n * @dev See {IERC721Metadata-tokenURI}.\n */ \n function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n require(_exists(tokenId), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n\n string memory uriBase = baseURI();\n return bytes(uriBase).length > 0 ? string(abi.encodePacked(uriBase, tokenId.toString())) : \"\";\n }\n\n function baseURI() public view virtual returns (string memory) {\n return baseMetadataURI;\n }\n\n /**\n * @dev Storefront-level metadata for contract\n */\n function contractURI() public view virtual returns (string memory) {\n string memory uriBase = baseURI();\n return bytes(uriBase).length > 0 ? string(abi.encodePacked(uriBase, \"contract-metadata\")) : \"\";\n }\n\n /**\n * @dev Internal function to set the base URI\n */\n function _setBaseURI(string memory uri) internal {\n baseMetadataURI = uri; \n }\n\n /**\n * @dev See {IERC721-approve}.\n */ \n function approve(address to, uint256 tokenId) public virtual override {\n address owner = ownerOf(tokenId);\n require(to != owner, ERROR_APPROVAL_TO_CURRENT_OWNER);\n\n require(_msgSender() == owner || isApprovedForAll(owner, _msgSender()), ERROR_NOT_OWNER_NOR_APPROVED);\n\n _approve(owner, to, tokenId);\n }\n\n /**\n * @dev See {IERC721-getApproved}.\n */ \n function getApproved(uint256 tokenId) public view virtual override returns (address) {\n require(_exists(tokenId), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n return tokenApprovals[tokenId];\n }\n\n /**\n * @dev See {IERC721-setApprovalForAll}.\n */ \n function setApprovalForAll(address operator, bool approved) public virtual override {\n require(operator != _msgSender(), ERROR_APPROVE_TO_CALLER);\n operatorApprovals[_msgSender()][operator] = approved;\n emit ApprovalForAll(_msgSender(), operator, approved); \n }\n\n /**\n * @dev See {IERC721-isApprovedForAll}.\n */ \n function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n return operatorApprovals[owner][operator];\n }\n\n /**\n * @dev See {IERC721-transferFrom}.\n */ \n function transferFrom(address from, address to, uint256 tokenId) public virtual override { \n (address owner, bool isApprovedOrOwner) = _isApprovedOrOwner(_msgSender(), tokenId);\n require(isApprovedOrOwner, ERROR_NOT_OWNER_NOR_APPROVED);\n _transfer(owner, from, to, tokenId);\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */ \n function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */ \n function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual override {\n transferFrom(from, to, tokenId);\n require(_checkOnERC721Received(from, to, tokenId, data), ERROR_NOT_AN_ERC721_RECEIVER);\n } \n\n /**\n * @dev Returns whether `tokenId` exists.\n *\n * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n *\n * Tokens start existing when they are minted (`_mint`),\n * and stop existing when they are burned (`_burn`).\n */\n function _exists(uint256 tokenId) internal view virtual returns (bool) {\n return owners[tokenId] != address(0);\n }\n\n /**\n * @dev Returns whether `spender` is allowed to manage `tokenId`.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */ \n function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (address owner, bool isApprovedOrOwner) {\n owner = owners[tokenId];\n require(owner != address(0), ERROR_QUERY_FOR_NONEXISTENT_TOKEN);\n isApprovedOrOwner = (spender == owner || tokenApprovals[tokenId] == spender || isApprovedForAll(owner, spender));\n } \n \n /**\n * @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n *\n * Emits a {Transfer} event.\n */\n function _burn(uint256 tokenId) internal virtual {\n address owner = ownerOf(tokenId);\n bool isApprovedOrOwner = (_msgSender() == owner || tokenApprovals[tokenId] == _msgSender() || isApprovedForAll(owner, _msgSender()));\n require(isApprovedOrOwner, ERROR_NOT_OWNER_NOR_APPROVED);\n\n // Clear approvals \n _clearApproval(owner, tokenId);\n\n balances[owner] -= 1;\n _clearOwnership(tokenId);\n\n emit Transfer(owner, address(0), tokenId);\n } \n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n * As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n *\n * Emits a {Transfer} event.\n */\n function _transfer(address owner, address from, address to, uint256 tokenId) internal virtual {\n require(owner == from, ERROR_TRANSFER_FROM_INCORRECT_OWNER);\n require(to != address(0), ERROR_TRANSFER_TO_ZERO_ADDRESS); \n\n // Clear approvals from the previous owner \n _clearApproval(owner, tokenId);\n\n balances[from] -= 1;\n balances[to] += 1;\n _setOwnership(to, tokenId);\n \n emit Transfer(from, to, tokenId); \n }\n\n /**\n * @dev Equivalent to approving address(0), but more gas efficient\n *\n * Emits a {Approval} event.\n */\n function _clearApproval(address owner, uint256 tokenId) internal virtual {\n delete tokenApprovals[tokenId];\n emit Approval(owner, address(0), tokenId);\n }\n\n /**\n * @dev Approve `to` to operate on `tokenId`\n *\n * Emits a {Approval} event.\n */\n function _approve(address owner, address to, uint256 tokenId) internal virtual {\n tokenApprovals[tokenId] = to;\n emit Approval(owner, to, tokenId);\n } \n\n function _clearOwnership(uint256 tokenId) internal virtual {\n delete owners[tokenId];\n }\n\n function _setOwnership(address to, uint256 tokenId) internal virtual {\n owners[tokenId] = to;\n }\n\n /**\n * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.\n * The call is not executed if the target address is not a contract.\n *\n * @param from address representing the previous owner of the given token ID\n * @param to target address that will receive the tokens\n * @param tokenId uint256 ID of the token to be transferred\n * @param _data bytes optional data to send along with the call\n * @return bool whether the call correctly returned the expected magic value\n *\n * @dev Slither identifies an issue with unused return value.\n * Reference: https://github.com/crytic/slither/wiki/Detector-Documentation#unused-return\n * This should be a non-issue. It is the standard OpenZeppelin implementation which has been heavily used and audited.\n */ \n function _checkOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory _data\n ) internal returns (bool) {\n if (to.isContract()) { \n try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {\n return retval == IERC721Receiver.onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert(ERROR_NOT_AN_ERC721_RECEIVER);\n } else { \n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n } else {\n return true;\n }\n } \n}" }, "contracts/tokens/ERC721Errors.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nabstract contract ERC721Errors {\n string internal constant ERROR_QUERY_FOR_ZERO_ADDRESS = \"Query for zero address\";\n string internal constant ERROR_QUERY_FOR_NONEXISTENT_TOKEN = \"Token does not exist\";\n string internal constant ERROR_APPROVAL_TO_CURRENT_OWNER = \"Current owner approval\";\n string internal constant ERROR_APPROVE_TO_CALLER = \"Approve to caller\";\n string internal constant ERROR_NOT_OWNER_NOR_APPROVED = \"Not owner nor approved\";\n string internal constant ERROR_NOT_AN_ERC721_RECEIVER = \"Not an ERC721Receiver\";\n string internal constant ERROR_TRANSFER_FROM_INCORRECT_OWNER = \"Transfer from incorrect owner\";\n string internal constant ERROR_TRANSFER_TO_ZERO_ADDRESS = \"Transfer to zero address\"; \n string internal constant ERROR_ALREADY_MINTED = \"Token already minted\"; \n string internal constant ERROR_NO_TOKENS_MINTED = \"No tokens minted\"; \n}" }, "contracts/interfaces/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n}" }, "contracts/interfaces/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}" }, "contracts/interfaces/IERC721Metadata.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Metadata is IERC721 {\n /**\n * @dev Returns the token collection name.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the token collection symbol.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n */\n function tokenURI(uint256 tokenId) external view returns (string memory);\n}" }, "contracts/interfaces/IERC721Cloneable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC721.sol\";\n\ninterface IERC721Cloneable is IERC721 {\n function initializeERC721(string calldata name_, string calldata symbol_, string calldata baseURI_) external; \n}" }, "contracts/libraries/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}" }, "contracts/libraries/Context.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\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}" }, "contracts/libraries/Strings.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\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 // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\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 if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n}" }, "contracts/utils/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"../interfaces/IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}" }, "contracts/utils/GenericErrors.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nabstract contract GenericErrors {\n string internal constant ERROR_INPUT_ARRAY_EMPTY = \"Input array empty\";\n string internal constant ERROR_INPUT_ARRAY_SIZE_MISMATCH = \"Input array size mismatch\";\n string internal constant ERROR_INVALID_MSG_SENDER = \"Invalid msg.sender\";\n string internal constant ERROR_UNEXPECTED_DATA_SIGNER = \"Unexpected data signer\";\n string internal constant ERROR_INSUFFICIENT_BALANCE = \"Insufficient balance\";\n string internal constant ERROR_WITHDRAW_UNSUCCESSFUL = \"Withdraw unsuccessful\";\n string internal constant ERROR_CONTRACT_IS_FINALIZED = \"Contract is finalized\";\n string internal constant ERROR_CANNOT_CHANGE_DEFAULT_OWNER = \"Cannot change default owner\";\n string internal constant ERROR_UNCLONEABLE_REFERENCE_CONTRACT = \"Uncloneable reference contract\";\n string internal constant ERROR_BIPS_OVER_100_PERCENT = \"Bips over 100%\";\n string internal constant ERROR_NO_ROYALTY_RECEIVER = \"No royalty receiver\";\n string internal constant ERROR_REINITIALIZATION_NOT_PERMITTED = \"Re-initialization not permitted\";\n string internal constant ERROR_ZERO_ETH_TRANSFER = \"Zero ETH Transfer\";\n}" }, "contracts/interfaces/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\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}" }, "contracts/utils/NiftyPermissions.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./ERC165.sol\";\nimport \"./GenericErrors.sol\";\nimport \"../interfaces/INiftyEntityCloneable.sol\";\nimport \"../interfaces/INiftyRegistry.sol\";\nimport \"../libraries/Context.sol\";\n\nabstract contract NiftyPermissions is Context, ERC165, GenericErrors, INiftyEntityCloneable { \n\n event AdminTransferred(address indexed previousAdmin, address indexed newAdmin);\n\n // Only allow Nifty Entity to be initialized once\n bool internal initializedNiftyEntity;\n\n // If address(0), use enable Nifty Gateway permissions - otherwise, specifies the address with permissions\n address public admin;\n\n // To prevent a mistake, transferring admin rights will be a two step process\n // First, the current admin nominates a new admin\n // Second, the nominee accepts admin\n address public nominatedAdmin;\n\n // Nifty Registry Contract\n INiftyRegistry internal permissionsRegistry; \n\n function initializeNiftyEntity(address niftyRegistryContract_) public {\n require(!initializedNiftyEntity, ERROR_REINITIALIZATION_NOT_PERMITTED);\n permissionsRegistry = INiftyRegistry(niftyRegistryContract_);\n initializedNiftyEntity = true;\n } \n \n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return \n interfaceId == type(INiftyEntityCloneable).interfaceId ||\n super.supportsInterface(interfaceId);\n } \n\n function renounceAdmin() external {\n _requireOnlyValidSender();\n _transferAdmin(address(0));\n } \n\n function nominateAdmin(address nominee) external {\n _requireOnlyValidSender();\n nominatedAdmin = nominee;\n }\n\n function acceptAdmin() external {\n address nominee = nominatedAdmin;\n require(_msgSender() == nominee, ERROR_INVALID_MSG_SENDER);\n _transferAdmin(nominee);\n }\n \n function _requireOnlyValidSender() internal view { \n address currentAdmin = admin; \n if(currentAdmin == address(0)) {\n require(permissionsRegistry.isValidNiftySender(_msgSender()), ERROR_INVALID_MSG_SENDER);\n } else {\n require(_msgSender() == currentAdmin, ERROR_INVALID_MSG_SENDER);\n }\n } \n\n function _transferAdmin(address newAdmin) internal {\n address oldAdmin = admin;\n admin = newAdmin;\n delete nominatedAdmin; \n emit AdminTransferred(oldAdmin, newAdmin);\n }\n}" }, "contracts/interfaces/INiftyEntityCloneable.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\n\ninterface INiftyEntityCloneable is IERC165 {\n function initializeNiftyEntity(address niftyRegistryContract_) external;\n}" }, "contracts/interfaces/INiftyRegistry.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\ninterface INiftyRegistry {\n function isValidNiftySender(address sendingKey) external view returns (bool);\n}" }, "contracts/libraries/ECDSA.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/cryptography/ECDSA.sol)\n\npragma solidity 0.8.9;\n\nimport \"./Strings.sol\";\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSA {\n enum RecoverError {\n NoError,\n InvalidSignature,\n InvalidSignatureLength,\n InvalidSignatureS,\n InvalidSignatureV\n }\n\n function _throwError(RecoverError error) private pure {\n if (error == RecoverError.NoError) {\n return; // no error: do nothing\n } else if (error == RecoverError.InvalidSignature) {\n revert(\"ECDSA: invalid signature\");\n } else if (error == RecoverError.InvalidSignatureLength) {\n revert(\"ECDSA: invalid signature length\");\n } else if (error == RecoverError.InvalidSignatureS) {\n revert(\"ECDSA: invalid signature 's' value\");\n } else if (error == RecoverError.InvalidSignatureV) {\n revert(\"ECDSA: invalid signature 'v' value\");\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature` or error string. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n *\n * Documentation for signature generation:\n * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n *\n * _Available since v4.3._\n */\n function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {\n // Check the signature length\n // - case 65: r,s,v signature (standard)\n // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._\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 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 if (signature.length == 64) {\n bytes32 r;\n bytes32 vs;\n // ecrecover takes the signature parameters, and the only way to get them\n // currently is to use assembly.\n assembly {\n r := mload(add(signature, 0x20))\n vs := mload(add(signature, 0x40))\n }\n return tryRecover(hash, r, vs);\n } else {\n return (address(0), RecoverError.InvalidSignatureLength);\n }\n }\n\n /**\n * @dev Returns the address that signed a hashed message (`hash`) with\n * `signature`. This address can then be used for verification purposes.\n *\n * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n * this function rejects them by requiring the `s` value to be in the lower\n * half order, and the `v` value to be either 27 or 28.\n *\n * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n * verification to be secure: it is possible to craft signatures that\n * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n * this is by receiving a hash of the original message (which may otherwise\n * be too long), and then calling {toEthSignedMessageHash} on it.\n */\n function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, signature);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n *\n * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n *\n * _Available since v4.3._\n */\n function tryRecover(\n bytes32 hash,\n bytes32 r,\n bytes32 vs\n ) internal pure returns (address, RecoverError) {\n bytes32 s;\n uint8 v;\n assembly {\n s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)\n v := add(shr(255, vs), 27)\n }\n return tryRecover(hash, v, r, s);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n *\n * _Available since v4.2._\n */\n function recover(\n bytes32 hash,\n bytes32 r,\n bytes32 vs\n ) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, r, vs);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n * `r` and `s` signature fields separately.\n *\n * _Available since v4.3._\n */\n function tryRecover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address, RecoverError) {\n // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n //\n // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n // these malleable signatures as well.\n if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n return (address(0), RecoverError.InvalidSignatureS);\n }\n if (v != 27 && v != 28) {\n return (address(0), RecoverError.InvalidSignatureV);\n }\n\n // If the signature is valid (and not malleable), return the signer address\n address signer = ecrecover(hash, v, r, s);\n if (signer == address(0)) {\n return (address(0), RecoverError.InvalidSignature);\n }\n\n return (signer, RecoverError.NoError);\n }\n\n /**\n * @dev Overload of {ECDSA-recover} that receives the `v`,\n * `r` and `s` signature fields separately.\n */\n function recover(\n bytes32 hash,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) internal pure returns (address) {\n (address recovered, RecoverError error) = tryRecover(hash, v, r, s);\n _throwError(error);\n return recovered;\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from a `hash`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */ \n function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {\n // 32 is the length in bytes of hash,\n // enforced by the type signature above\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n32\", hash));\n }\n\n /**\n * @dev Returns an Ethereum Signed Message, created from `s`. This\n * produces hash corresponding to the one signed with the\n * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n * JSON-RPC method as part of EIP-191.\n *\n * See {recover}.\n */\n function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n\", Strings.toString(s.length), s));\n }\n\n /**\n * @dev Returns an Ethereum Signed Typed Data, created from a\n * `domainSeparator` and a `structHash`. This produces hash corresponding\n * to the one signed with the\n * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]\n * JSON-RPC method as part of EIP-712.\n *\n * See {recover}.\n */\n function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {\n return keccak256(abi.encodePacked(\"\\x19\\x01\", domainSeparator, structHash));\n }\n}\n" }, "contracts/structs/SignatureStatus.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nstruct SignatureStatus {\n bool isSalted;\n bool isVerified;\n address signer;\n bytes32 saltedHash;\n}" }, "contracts/utils/RejectEther.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @title A base contract that may be inherited in order to protect a contract from having its fallback function \n * invoked and to block the receipt of ETH by a contract.\n * @author Nathan Gang\n * @notice This contract bestows on inheritors the ability to block ETH transfers into the contract\n * @dev ETH may still be forced into the contract - it is impossible to block certain attacks, but this protects from accidental ETH deposits\n */\n // For more info, see: \"https://medium.com/@alexsherbuck/two-ways-to-force-ether-into-a-contract-1543c1311c56\"\nabstract contract RejectEther { \n\n /**\n * @dev For most contracts, it is safest to explicitly restrict the use of the fallback function\n * This would generally be invoked if sending ETH to this contract with a 'data' value provided\n */\n fallback() external payable { \n revert(\"Fallback function not permitted\");\n }\n\n /**\n * @dev This is the standard path where ETH would land if sending ETH to this contract without a 'data' value\n * In our case, we don't want our contract to receive ETH, so we restrict it here\n */\n receive() external payable {\n revert(\"Receiving ETH not permitted\");\n } \n}" }, "contracts/interfaces/IERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\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 `recipient`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address recipient, 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 `sender` to `recipient` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address sender,\n address recipient,\n uint256 amount\n ) external returns (bool);\n\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}" }, "contracts/libraries/Clones.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for\n * deploying minimal proxy contracts, also known as \"clones\".\n *\n * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies\n * > a minimal bytecode implementation that delegates all calls to a known, fixed address.\n *\n * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`\n * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the\n * deterministic method.\n *\n */\nlibrary Clones {\n /**\n * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.\n *\n * This function uses the create opcode, which should never revert.\n */\n function clone(address implementation) internal returns (address instance) {\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)\n mstore(add(ptr, 0x14), shl(0x60, implementation))\n mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)\n instance := create(0, ptr, 0x37)\n }\n require(instance != address(0), \"ERC1167: create failed\");\n }\n\n /**\n * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.\n *\n * This function uses the create2 opcode and a `salt` to deterministically deploy\n * the clone. Using the same `implementation` and `salt` multiple time will revert, since\n * the clones cannot be deployed twice at the same address.\n */\n function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)\n mstore(add(ptr, 0x14), shl(0x60, implementation))\n mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)\n instance := create2(0, ptr, 0x37, salt)\n }\n require(instance != address(0), \"ERC1167: create2 failed\");\n }\n\n /**\n * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.\n */\n function predictDeterministicAddress(\n address implementation,\n bytes32 salt,\n address deployer\n ) internal pure returns (address predicted) {\n assembly {\n let ptr := mload(0x40)\n mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)\n mstore(add(ptr, 0x14), shl(0x60, implementation))\n mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)\n mstore(add(ptr, 0x38), shl(0x60, deployer))\n mstore(add(ptr, 0x4c), salt)\n mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))\n predicted := keccak256(add(ptr, 0x37), 0x55)\n }\n }\n\n /**\n * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.\n */\n function predictDeterministicAddress(address implementation, bytes32 salt)\n internal\n view\n returns (address predicted)\n {\n return predictDeterministicAddress(implementation, salt, address(this));\n }\n}" }, "contracts/interfaces/IERC2981.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n */\ninterface IERC2981 is IERC165 {\n /**\n * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n * exchange. The royalty amount is denominated and should be payed in that same unit of exchange.\n */\n function royaltyInfo(uint256 tokenId, uint256 salePrice)\n external\n view\n returns (address receiver, uint256 royaltyAmount);\n}" }, "contracts/interfaces/ICloneablePaymentSplitter.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"./IERC165.sol\";\nimport \"../libraries/SafeERC20.sol\";\n\ninterface ICloneablePaymentSplitter is IERC165 {\n \n event PayeeAdded(address account, uint256 shares);\n event PaymentReleased(address to, uint256 amount);\n event ERC20PaymentReleased(IERC20 indexed token, address to, uint256 amount);\n event PaymentReceived(address from, uint256 amount);\n \n function initialize(address[] calldata payees, uint256[] calldata shares_) external; \n function totalShares() external view returns (uint256); \n function totalReleased() external view returns (uint256);\n function totalReleased(IERC20 token) external view returns (uint256);\n function shares(address account) external view returns (uint256); \n function released(address account) external view returns (uint256);\n function released(IERC20 token, address account) external view returns (uint256);\n function payee(uint256 index) external view returns (address); \n function release(address payable account) external;\n function release(IERC20 token, address account) external;\n function pendingPayment(address account) external view returns (uint256);\n function pendingPayment(IERC20 token, address account) external view returns (uint256);\n}\n" }, "contracts/structs/RoyaltyRecipient.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nstruct RoyaltyRecipient {\n bool isPaymentSplitter; // 1 byte\n uint16 bips; // 2 bytes\n address recipient; // 20 bytes\n}" }, "contracts/libraries/SafeERC20.sol": { "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"../interfaces/IERC20.sol\";\nimport \"./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 function safeTransfer(\n IERC20 token,\n address to,\n uint256 value\n ) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n }\n\n function safeTransferFrom(\n IERC20 token,\n address from,\n address to,\n uint256 value\n ) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n }\n\n /**\n * @dev 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 if (returndata.length > 0) {\n // Return data is optional\n require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n }\n }\n}\n" } }, "settings": { "optimizer": { "enabled": true, "runs": 1500 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} } }}
1
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363d3d373d3d3d363d735397d0869aba0d55e96d5716d383f6e1d8695ed75af43d82803e903d91602b57fd5bf3
{{ "language": "Solidity", "sources": { "contracts/Forwarder.sol": { "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity 0.8.10;\nimport '@openzeppelin/contracts/token/ERC1155/IERC1155.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721.sol';\nimport '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';\nimport '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol';\nimport './ERC20Interface.sol';\nimport './TransferHelper.sol';\nimport './IForwarder.sol';\n\n/**\n * Contract that will forward any incoming Ether to the creator of the contract\n *\n */\ncontract Forwarder is IERC721Receiver, ERC1155Receiver, IForwarder {\n // Address to which any funds sent to this contract will be forwarded\n address public parentAddress;\n bool public autoFlush721 = true;\n bool public autoFlush1155 = true;\n\n event ForwarderDeposited(address from, uint256 value, bytes data);\n\n /**\n * Initialize the contract, and sets the destination address to that of the creator\n */\n function init(\n address _parentAddress,\n bool _autoFlush721,\n bool _autoFlush1155\n ) external onlyUninitialized {\n parentAddress = _parentAddress;\n uint256 value = address(this).balance;\n\n // set whether we want to automatically flush erc721/erc1155 tokens or not\n autoFlush721 = _autoFlush721;\n autoFlush1155 = _autoFlush1155;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n\n // NOTE: since we are forwarding on initialization,\n // we don't have the context of the original sender.\n // We still emit an event about the forwarding but set\n // the sender to the forwarder itself\n emit ForwarderDeposited(address(this), value, msg.data);\n }\n\n /**\n * Modifier that will execute internal code block only if the sender is the parent address\n */\n modifier onlyParent {\n require(msg.sender == parentAddress, 'Only Parent');\n _;\n }\n\n /**\n * Modifier that will execute internal code block only if the contract has not been initialized yet\n */\n modifier onlyUninitialized {\n require(parentAddress == address(0x0), 'Already initialized');\n _;\n }\n\n /**\n * Default function; Gets called when data is sent but does not match any other function\n */\n fallback() external payable {\n flush();\n }\n\n /**\n * Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address\n */\n receive() external payable {\n flush();\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush721(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush721 = autoFlush;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function setAutoFlush1155(bool autoFlush)\n external\n virtual\n override\n onlyParent\n {\n autoFlush1155 = autoFlush;\n }\n\n /**\n * ERC721 standard callback function for when a ERC721 is transfered. The forwarder will send the nft\n * to the base wallet once the nft contract invokes this method after transfering the nft.\n *\n * @param _operator The address which called `safeTransferFrom` function\n * @param _from The address of the sender\n * @param _tokenId The token id of the nft\n * @param data Additional data with no specified format, sent in call to `_to`\n */\n function onERC721Received(\n address _operator,\n address _from,\n uint256 _tokenId,\n bytes memory data\n ) external virtual override returns (bytes4) {\n if (autoFlush721) {\n IERC721 instance = IERC721(msg.sender);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The caller does not support the ERC721 interface'\n );\n // this won't work for ERC721 re-entrancy\n instance.safeTransferFrom(address(this), parentAddress, _tokenId, data);\n }\n\n return this.onERC721Received.selector;\n }\n\n function callFromParent(\n address target,\n uint256 value,\n bytes calldata data\n ) external onlyParent returns (bytes memory) {\n (bool success, bytes memory returnedData) = target.call{ value: value }(\n data\n );\n require(success, 'Parent call execution failed');\n\n return returnedData;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155Received(\n address _operator,\n address _from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeTransferFrom(address(this), parentAddress, id, value, data);\n }\n\n return this.onERC1155Received.selector;\n }\n\n /**\n * @inheritdoc IERC1155Receiver\n */\n function onERC1155BatchReceived(\n address _operator,\n address _from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external virtual override returns (bytes4) {\n IERC1155 instance = IERC1155(msg.sender);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n if (autoFlush1155) {\n instance.safeBatchTransferFrom(\n address(this),\n parentAddress,\n ids,\n values,\n data\n );\n }\n\n return this.onERC1155BatchReceived.selector;\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushTokens(address tokenContractAddress)\n external\n virtual\n override\n onlyParent\n {\n ERC20Interface instance = ERC20Interface(tokenContractAddress);\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress);\n if (forwarderBalance == 0) {\n return;\n }\n\n TransferHelper.safeTransfer(\n tokenContractAddress,\n parentAddress,\n forwarderBalance\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC721 instance = IERC721(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC721).interfaceId),\n 'The tokenContractAddress does not support the ERC721 interface'\n );\n\n address ownerAddress = instance.ownerOf(tokenId);\n instance.transferFrom(ownerAddress, parentAddress, tokenId);\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external\n virtual\n override\n onlyParent\n {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256 forwarderBalance = instance.balanceOf(forwarderAddress, tokenId);\n\n instance.safeTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenId,\n forwarderBalance,\n ''\n );\n }\n\n /**\n * @inheritdoc IForwarder\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external virtual override onlyParent {\n IERC1155 instance = IERC1155(tokenContractAddress);\n require(\n instance.supportsInterface(type(IERC1155).interfaceId),\n 'The caller does not support the IERC1155 interface'\n );\n\n address forwarderAddress = address(this);\n uint256[] memory amounts = new uint256[](tokenIds.length);\n for (uint256 i = 0; i < tokenIds.length; i++) {\n amounts[i] = instance.balanceOf(forwarderAddress, tokenIds[i]);\n }\n\n instance.safeBatchTransferFrom(\n forwarderAddress,\n parentAddress,\n tokenIds,\n amounts,\n ''\n );\n }\n\n /**\n * Flush the entire balance of the contract to the parent address.\n */\n function flush() public {\n uint256 value = address(this).balance;\n\n if (value == 0) {\n return;\n }\n\n (bool success, ) = parentAddress.call{ value: value }('');\n require(success, 'Flush failed');\n emit ForwarderDeposited(msg.sender, value, msg.data);\n }\n\n /**\n * @inheritdoc IERC165\n */\n function supportsInterface(bytes4 interfaceId)\n public\n virtual\n override(ERC1155Receiver, IERC165)\n view\n returns (bool)\n {\n return\n interfaceId == type(IForwarder).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n}\n" }, "@openzeppelin/contracts/token/ERC1155/IERC1155.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155 is IERC165 {\n /**\n * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n */\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /**\n * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n */\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /**\n * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n */\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /**\n * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n *\n * If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n */\n event URI(string value, uint256 indexed id);\n\n /**\n * @dev Returns the amount of tokens of token type `id` owned by `account`.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /**\n * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n *\n * Emits an {ApprovalForAll} event.\n *\n * Requirements:\n *\n * - `operator` cannot be the caller.\n */\n function setApprovalForAll(address operator, bool approved) external;\n\n /**\n * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n}\n" }, "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n /**\n * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n * by `operator` from `from`, this function is called.\n *\n * It must return its Solidity selector to confirm the token transfer.\n * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n *\n * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.\n */\n function onERC721Received(\n address operator,\n address from,\n uint256 tokenId,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155Receiver.sol\";\nimport \"../../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\nabstract contract ERC1155Receiver is ERC165, IERC1155Receiver {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);\n }\n}\n" }, "contracts/ERC20Interface.sol": { "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity 0.8.10;\n\n/**\n * Contract that exposes the needed erc20 token functions\n */\n\nabstract contract ERC20Interface {\n // Send _value amount of tokens to address _to\n function transfer(address _to, uint256 _value)\n public\n virtual\n returns (bool success);\n\n // Get the account balance of another account with address _owner\n function balanceOf(address _owner)\n public\n virtual\n view\n returns (uint256 balance);\n}\n" }, "contracts/TransferHelper.sol": { "content": "// SPDX-License-Identifier: GPL-3.0-or-later\n// source: https://github.com/Uniswap/solidity-lib/blob/master/contracts/libraries/TransferHelper.sol\npragma solidity 0.8.10;\n\nimport '@openzeppelin/contracts/utils/Address.sol';\n\n// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false\nlibrary TransferHelper {\n function safeTransfer(\n address token,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transfer(address,uint256)')));\n (bool success, bytes memory data) = token.call(\n abi.encodeWithSelector(0xa9059cbb, to, value)\n );\n require(\n success && (data.length == 0 || abi.decode(data, (bool))),\n 'TransferHelper::safeTransfer: transfer failed'\n );\n }\n\n function safeTransferFrom(\n address token,\n address from,\n address to,\n uint256 value\n ) internal {\n // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));\n (bool success, bytes memory returndata) = token.call(\n abi.encodeWithSelector(0x23b872dd, from, to, value)\n );\n Address.verifyCallResult(\n success,\n returndata,\n 'TransferHelper::transferFrom: transferFrom failed'\n );\n }\n}\n" }, "contracts/IForwarder.sol": { "content": "pragma solidity ^0.8.0;\n\nimport '@openzeppelin/contracts/utils/introspection/IERC165.sol';\n\ninterface IForwarder is IERC165 {\n /**\n * Sets the autoflush721 parameter.\n *\n * @param autoFlush whether to autoflush erc721 tokens\n */\n function setAutoFlush721(bool autoFlush) external;\n\n /**\n * Sets the autoflush1155 parameter.\n *\n * @param autoFlush whether to autoflush erc1155 tokens\n */\n function setAutoFlush1155(bool autoFlush) external;\n\n /**\n * Execute a token transfer of the full balance from the forwarder token to the parent address\n *\n * @param tokenContractAddress the address of the erc20 token contract\n */\n function flushTokens(address tokenContractAddress) external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address\n *\n * @param tokenContractAddress the address of the ERC721 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC721Token(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenId The token id of the nft\n */\n function flushERC1155Tokens(address tokenContractAddress, uint256 tokenId)\n external;\n\n /**\n * Execute a batch nft transfer from the forwarder to the parent address.\n *\n * @param tokenContractAddress the address of the ERC1155 NFT contract\n * @param tokenIds The token ids of the nfts\n */\n function batchFlushERC1155Tokens(\n address tokenContractAddress,\n uint256[] calldata tokenIds\n ) external;\n}\n" }, "@openzeppelin/contracts/utils/introspection/IERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n" }, "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\ninterface IERC1155Receiver is IERC165 {\n /**\n @dev Handles the receipt of a single ERC1155 token type. This function is\n called at the end of a `safeTransferFrom` after the balance has been updated.\n To accept the transfer, this must return\n `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n (i.e. 0xf23a6e61, or its own function selector).\n @param operator The address which initiated the transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param id The ID of the token being transferred\n @param value The amount of tokens being transferred\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n */\n function onERC1155Received(\n address operator,\n address from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external returns (bytes4);\n\n /**\n @dev Handles the receipt of a multiple ERC1155 token types. This function\n is called at the end of a `safeBatchTransferFrom` after the balances have\n been updated. To accept the transfer(s), this must return\n `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n (i.e. 0xbc197c81, or its own function selector).\n @param operator The address which initiated the batch transfer (i.e. msg.sender)\n @param from The address which previously owned the token\n @param ids An array containing ids of each token being transferred (order and length must match values array)\n @param values An array containing amounts of each token being transferred (order and length must match ids array)\n @param data Additional data with no specified format\n @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n */\n function onERC1155BatchReceived(\n address operator,\n address from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external returns (bytes4);\n}\n" }, "@openzeppelin/contracts/utils/introspection/ERC165.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n" }, "@openzeppelin/contracts/utils/Address.sol": { "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize, which returns 0 for contracts in\n // construction, since the code is only stored at the end of the\n // constructor execution.\n\n uint256 size;\n assembly {\n size := extcodesize(account)\n }\n return size > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n" } }, "settings": { "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} } }}
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