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{
"language": "Solidity",
"sources": {
"contracts/ShufflerDescriptor.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0\n// Modified from nouns.wtf\n\n/// @title The Shuffler NFT descriptor\n\n/**************************************************************************\n...........................................................................\n...........................................................................\n...........................................................................\n...........................................................................\n..................... ............... ....... ...............\n................... .?5?: ........... .::::::. ... .:::::. .............\n................. :?B&@&B?: ....... .^7??????!:. .~7??????~: ............\n............... :J#&&&&&&&#J: .....^7??????JJJ?!!7????JJJ?J?!............\n............. ^Y#&&&&&&&&&&&#Y^ .. !J??YGGP^^~?JJ?5GGJ^^~????: ..........\n........... ^5&@&&&&&&&&&&&&&@&5~ !J??5@@B. .7???G@@Y :????:...........\n.......... :5&&BBB###&&&&#BBB###&&P: ~???5@@B. .7???G@@Y :???7............\n......... ^P&&#:..7J?G&&&5..:??J#&&G~ ~??J55Y!!!????Y5PJ!!!??7.............\n......... !@&&#. 7??G&&&5 :??J#&&@7 ^?????JJJ????????JJJ?7..............\n......... !@&&#~^^JYJB&&&P^^~JYY#&&@7 ..:~?J??????????????7^...............\n......... :JB&&&&&&&&B#&#B&&&&&&&&#J: .. .~?J????????J?!:. ...............\n.......... :?BBBBBB5YB&BY5BBBBBB?: ..... .~77???J?7!:. .................\n............ ....^Y#@@&@@#Y^.... .......... ..^!7~:.. ...................\n.............. .!777???777!. ............ :^^^. ...................\n.................. .^7?7^. .............. .~Y5#&&&G57: ..................\n................ :~???????~: .............!&&&&&&&&@@5:..................\n.............. .:!?J???????J?!: ......... ~&&&&&&&&&&&@5 .................\n............ .:!??JJJ????????J?!:. ...... ^B&&&&&&&&&&&J ................\n............^!JGBG!^^7???YBBP^^~?!^. . .^^~YG&&&&&9^^: .............\n......... :7??J&&&^ !???5@@B. .?J?7: :?5G&&&#PY#&&&P5B&&Y^ ............\n...........~7?J&&&^ !???5@@B. .?J?~.:Y&@G77?555#&&&Y!7J55P&&#~............\n........... .^75557!!7???J55Y!!!7~. Y@&&5 .???#&&&7 ^??Y&&&&: ..........\n............. .^7?JJ?????????J7^. .. J&&&5 .??J#&&&7 ^??Y&&&G: ..........\n............... .^7?J???????7^. ..... ?#@#55PBG5#&&&5J5PBBB&&P: ...........\n................. .:!?JJJ?!:. ........ ^!JBBBGYP&&&&B5PBBBP!!. ............\n................... .:!7!:. ........... ..:JGBGGGGBG5~ .. .............\n..................... ... ................. ............ ..................\n...........................................................................\n...........................................................................\n...........................................................................\n...........................................................................\n***************************************************************************/\n\npragma solidity ^0.8.6;\n\nimport { Ownable } from '@openzeppelin/contracts/access/Ownable.sol';\nimport { Strings } from '@openzeppelin/contracts/utils/Strings.sol';\nimport { IShufflerDescriptor } from './interfaces/IShufflerDescriptor.sol';\nimport { IShufflerToken } from './interfaces/IShufflerToken.sol';\nimport { NFTDescriptor } from './libs/NFTDescriptor.sol';\nimport { MultiPartRLEToSVG } from './libs/MultiPartRLEToSVG.sol';\n\ncontract ShufflerDescriptor is IShufflerDescriptor, Ownable {\n using Strings for uint256;\n\n // prettier-ignore\n // https://creativecommons.org/publicdomain/zero/1.0/legalcode.txt\n bytes32 constant COPYRIGHT_CC0_1_0_UNIVERSAL_LICENSE = 0xa2010f343487d3f7618affe54f789f5487602331c0a8d03f49e9a7c547cf0499;\n // Whether or not new Shuffler parts can be added\n bool public override arePartsLocked;\n // Whether or not `tokenURI` should be returned as a data URI (Default: true)\n bool public override isDataURIEnabled = false;\n // Base URI\n string public override baseURI = \"ipfs://bafkreig7xbpcavvxpfqdn6x6ojsh4nboac62kxsc5dl6oyi7lt2mzunri4\";\n // Background color names\n string[5] BG_COLOR_NAME = [\"Sapphire Blue\", \"Toxic Orange\", \"Schoolbus Yellow\", \"Koopa Green\", \"Lemonade Pink\"];\n // Ranks\n bytes13 constant RANKS = \"A23456789TJQK\";\n // Suits\n string[4] SUITS = [\"Club\", \"Diamond\", \"Heart\", \"Spade\"];\n // jokers\n string constant JOKER_BLACK = \"JokerBlack\";\n string constant JOKER_RED = \"JokerRed\";\n // Color Palettes (Index => Hex Colors)\n mapping(uint8 => string[]) public override palettes;\n // Shuffler Backgrounds (Hex Colors)\n string[] public override backgrounds;\n // Shuffler card （Custom RLE)\n bytes[] public override cards;\n // card names\n string[] public cardNames;\n // Shuffler frames (Custom RLE)\n bytes[] public override sides;\n // frame names\n string[] public sideNames;\n // Shuffler ranks and suites (Custom RLE)\n bytes[] public override corners;\n // Shuffler centers (Custom RLE)\n bytes[] public override centers;\n // center names\n string[] public centerNames;\n // contracts that we allow to compose with\n mapping (address => bool) public composableContracts;\n\n\n constructor() {\n composableContracts[NFTDescriptor.NOUNS_CONTRACT] = true;\n composableContracts[NFTDescriptor.PUNK_ORIGINAL_CONTRACT] = true;\n composableContracts[NFTDescriptor.BLITMAP_CONTRACT] = true;\n composableContracts[NFTDescriptor.CHAIN_RUNNER_CONTRACT] = true;\n composableContracts[NFTDescriptor.LOOT_CONTRACT] = true;\n composableContracts[NFTDescriptor.ONCHAIN_MONKEY_CONTRACT] = true;\n }\n\n /**\n * @notice Require that the parts have not been locked.\n */\n modifier whenPartsNotLocked() {\n require(!arePartsLocked, 'Parts are locked');\n _;\n }\n\n /**\n * @notice Get the number of available Shuffler `backgrounds`.\n */\n function backgroundCount() external view override returns (uint256) {\n return backgrounds.length;\n }\n\n /**\n * @notice Get the number of available `cards``\n */\n function cardCount() external view override returns (uint256) {\n return cards.length;\n }\n\n /**\n * @notice Get the number of available `frames`.\n */\n function sideCount() external view override returns (uint256) {\n return sides.length;\n }\n\n /**\n * @notice Get the number of available `corners`.\n */\n function cornerCount() external view override returns (uint256) {\n return corners.length;\n }\n\n /**\n * @notice Get the number of available `centers`.\n */\n function centerCount() external view override returns (uint256) {\n return centers.length;\n }\n\n /**\n * @notice Add colors to a color palette.\n * @dev This function can only be called by the owner.\n */\n function addManyColorsToPalette(uint8 paletteIndex, string[] calldata newColors) external override onlyOwner {\n require(palettes[paletteIndex].length + newColors.length <= 256, 'Palettes can only hold 256 colors');\n for (uint256 i = 0; i < newColors.length; i++) {\n _addColorToPalette(paletteIndex, newColors[i]);\n }\n }\n\n /**\n * @notice Batch add backgrounds.\n * @dev This function can only be called by the owner when not locked.\n */\n function addManyBackgrounds(string[] calldata _backgrounds) external override onlyOwner whenPartsNotLocked {\n for (uint256 i = 0; i < _backgrounds.length; i++) {\n _addBackground(_backgrounds[i]);\n }\n }\n\n /**\n * @notice Batch add cards\n * @dev This function can only be called by the owner when not locked.\n */\n function addManyCards(bytes[] calldata _cards, string[] calldata _cardNames) external override onlyOwner whenPartsNotLocked {\n for (uint256 i = 0; i < _cards.length; i++) {\n _addCard(_cards[i], _cardNames[i]);\n\n }\n }\n\n /**\n * @notice Batch add frames.\n * @dev This function can only be called by the owner when not locked.\n */\n function addManySides(bytes[] calldata _sides, string[] calldata _sideNames) external override onlyOwner whenPartsNotLocked {\n for (uint256 i = 0; i < _sides.length; i++) {\n _addSide(_sides[i], _sideNames[i]);\n }\n }\n\n /**\n * @notice Batch add corners.\n * @dev This function can only be called by the owner when not locked.\n */\n function addManyCorners(bytes[] calldata _corners) external override onlyOwner whenPartsNotLocked {\n for (uint256 i = 0; i < _corners.length; i++) {\n _addCorner(_corners[i]);\n }\n }\n\n /**\n * @notice Batch add centers.\n * @dev This function can only be called by the owner when not locked.\n */\n function addManyCenters(bytes[] calldata _centers, string[] calldata _centerNames) external override onlyOwner whenPartsNotLocked {\n for (uint256 i = 0; i < _centers.length; i++) {\n _addCenter(_centers[i], _centerNames[i]);\n }\n }\n\n /**\n * @notice Add a single color to a color palette.\n * @dev This function can only be called by the owner.\n */\n function addColorToPalette(uint8 _paletteIndex, string calldata _color) external override onlyOwner {\n require(palettes[_paletteIndex].length <= 255, 'Palettes can only hold 256 colors');\n _addColorToPalette(_paletteIndex, _color);\n }\n\n /**\n * @notice Lock all parts.\n * @dev This cannot be reversed and can only be called by the owner when not locked.\n */\n function lockParts() external override onlyOwner whenPartsNotLocked {\n arePartsLocked = true;\n\n emit PartsLocked();\n }\n\n /**\n * @notice Toggle a boolean value which determines if `tokenURI` returns a data URI\n * or an HTTP URL.\n * @dev This can only be called by the owner.\n */\n function toggleDataURIEnabled() external override {\n // using tx.origin instead of msg.sender here because we want to\n // allow the blind box reveal and data uri toggling done in one transaction\n // security is not a big concern here since the action is easily reversible\n require(owner() == tx.origin, \"Ownable: caller is not the owner\");\n bool enabled = !isDataURIEnabled;\n\n isDataURIEnabled = enabled;\n emit DataURIToggled(enabled);\n }\n\n /**\n * @notice Set the base URI for all token IDs.\n * @dev This can only be called by the owner.\n */\n function setBaseURI(string calldata _baseURI) external override onlyOwner {\n baseURI = _baseURI;\n\n emit BaseURIUpdated(_baseURI);\n }\n\n /**\n * @notice Given a token ID and seed, construct a token URI for the give Onchain Shuffler token\n * @dev The returned value may be a base64 encoded data URI or an API URL.\n */\n function tokenURI(uint256 tokenId, IShufflerToken.Seed memory seed) external view override returns (string memory) {\n if (isDataURIEnabled) {\n return dataURI(tokenId, seed);\n }\n return baseURI;\n }\n\n /**\n * @notice Given a token ID and seed, construct a base64 encoded data URI\n */\n function dataURI(uint256 tokenId, IShufflerToken.Seed memory seed) public view override returns (string memory) {\n string memory shufflerId = tokenId.toString();\n string memory name = string(abi.encodePacked('Shuffler #', shufflerId));\n\n return genericDataURI(name, \"\", seed);\n }\n\n /**\n * @notice Given a name, description, and seed, construct a base64 encoded data URI.\n */\n function genericDataURI(\n string memory name,\n string memory description,\n IShufflerToken.Seed memory seed\n ) public view override returns (string memory) {\n NFTDescriptor.TokenURIParams memory params = NFTDescriptor.TokenURIParams({\n name: name,\n description: description,\n parts: _getPartsForSeed(seed),\n partNames: _getPartNamesForSeed(seed),\n background: backgrounds[seed.background],\n override_contract: seed.override_contract,\n override_token_id: seed.override_token_id\n });\n return NFTDescriptor.constructTokenURI(params, palettes);\n }\n\n /**\n * @notice get traits descriptions\n */\n function getAttributes(IShufflerToken.Seed memory seed) public view returns (string memory) {\n return NFTDescriptor.generateTraitsDesc(_getPartNamesForSeed(seed));\n }\n\n /**\n * @notice Given a seed, construct a base64 encoded SVG image.\n */\n function generateSVGImage(IShufflerToken.Seed memory seed) external view override returns (string memory) {\n MultiPartRLEToSVG.SVGParams memory params = MultiPartRLEToSVG.SVGParams({\n parts: _getPartsForSeed(seed),\n background: backgrounds[seed.background],\n center_svg: NFTDescriptor.fetchTokenSvg(seed.override_contract, seed.override_token_id)\n });\n return NFTDescriptor.generateSVGImage(params, palettes);\n }\n\n /**\n * @notice Add a single color to a color palette.\n */\n function _addColorToPalette(uint8 _paletteIndex, string calldata _color) internal {\n palettes[_paletteIndex].push(_color);\n }\n\n /**\n * @notice Add a background.\n */\n function _addBackground(string calldata _background) internal {\n backgrounds.push(_background);\n }\n\n /**\n * @notice Add a card.\n */\n function _addCard(bytes calldata _card, string calldata _cardName) internal {\n cards.push(_card);\n cardNames.push(_cardName);\n }\n\n /**\n * @notice Add a frame.\n */\n function _addSide(bytes calldata _side, string calldata _sideName) internal {\n sides.push(_side);\n sideNames.push(_sideName);\n }\n\n /**\n * @notice Add a corner.\n */\n function _addCorner(bytes calldata _corner) internal {\n corners.push(_corner);\n }\n\n /**\n * @notice Add a center.\n */\n function _addCenter(bytes calldata _center, string calldata _centerName) internal {\n centers.push(_center);\n centerNames.push(_centerName);\n }\n\n /**\n * @notice Get all parts for the passed `seed`.\n */\n function _getPartsForSeed(IShufflerToken.Seed memory seed) internal view returns (bytes[] memory) {\n bytes[] memory _parts = new bytes[](4);\n _parts[0] = cards[seed.card];\n _parts[1] = sides[seed.side];\n _parts[2] = corners[seed.corner];\n _parts[3] = centers[seed.center];\n return _parts;\n }\n\n /**\n * @notice Get all part names for the passed `seed`.\n */\n function _getPartNamesForSeed(IShufflerToken.Seed memory seed) internal view returns (string[] memory) {\n string[] memory _partNames = new string[](6);\n _partNames[0] = BG_COLOR_NAME[seed.background];\n _partNames[1] = cardNames[seed.card];\n _partNames[2] = sideNames[seed.side];\n _partNames[3] = _getSuit(seed.corner);\n _partNames[4] = _getRank(seed.corner);\n _partNames[5] = centerNames[seed.center];\n return _partNames;\n }\n\n function _getSuit(uint48 cornerIndex) internal view returns (string memory) {\n if (cornerIndex == 52) {\n return JOKER_RED;\n } else if (cornerIndex == 53) {\n return JOKER_BLACK;\n } else {\n return SUITS[cornerIndex / 13];\n }\n }\n\n function _getRank(uint48 cornerIndex) internal pure returns (string memory) {\n if (cornerIndex == 52) {\n return JOKER_RED;\n } else if (cornerIndex == 53) {\n return JOKER_BLACK;\n } else {\n return string(abi.encodePacked(RANKS[cornerIndex % 13]));\n }\n }\n\n /**\n * @notice Returns true if the provided contract address is a composable target\n */\n function isComposable(address addr) external view override returns (bool) {\n return composableContracts[addr];\n }\n}\n"
},
"@openzeppelin/contracts/access/Ownable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n constructor() {\n _transferOwnership(_msgSender());\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n"
},
"@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"
},
"contracts/interfaces/IShufflerDescriptor.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0\n\n/// @title Interface for ShufflerDescriptor\n\n/**************************************************************************\n...........................................................................\n...........................................................................\n...........................................................................\n...........................................................................\n..................... ............... ....... ...............\n................... .?5?: ........... .::::::. ... .:::::. .............\n................. :?B&@&B?: ....... .^7??????!:. .~7??????~: ............\n............... :J#&&&&&&&#J: .....^7??????JJJ?!!7????JJJ?J?!............\n............. ^Y#&&&&&&&&&&&#Y^ .. !J??YGGP^^~?JJ?5GGJ^^~????: ..........\n........... ^5&@&&&&&&&&&&&&&@&5~ !J??5@@B. .7???G@@Y :????:...........\n.......... :5&&BBB###&&&&#BBB###&&P: ~???5@@B. .7???G@@Y :???7............\n......... ^P&&#:..7J?G&&&5..:??J#&&G~ ~??J55Y!!!????Y5PJ!!!??7.............\n......... !@&&#. 7??G&&&5 :??J#&&@7 ^?????JJJ????????JJJ?7..............\n......... !@&&#~^^JYJB&&&P^^~JYY#&&@7 ..:~?J??????????????7^...............\n......... :JB&&&&&&&&B#&#B&&&&&&&&#J: .. .~?J????????J?!:. ...............\n.......... :?BBBBBB5YB&BY5BBBBBB?: ..... .~77???J?7!:. .................\n............ ....^Y#@@&@@#Y^.... .......... ..^!7~:.. ...................\n.............. .!777???777!. ............ :^^^. ...................\n.................. .^7?7^. .............. .~Y5#&&&G57: ..................\n................ :~???????~: .............!&&&&&&&&@@5:..................\n.............. .:!?J???????J?!: ......... ~&&&&&&&&&&&@5 .................\n............ .:!??JJJ????????J?!:. ...... ^B&&&&&&&&&&&J ................\n............^!JGBG!^^7???YBBP^^~?!^. . .^^~YG&&&&&9^^: .............\n......... :7??J&&&^ !???5@@B. .?J?7: :?5G&&&#PY#&&&P5B&&Y^ ............\n...........~7?J&&&^ !???5@@B. .?J?~.:Y&@G77?555#&&&Y!7J55P&&#~............\n........... .^75557!!7???J55Y!!!7~. Y@&&5 .???#&&&7 ^??Y&&&&: ..........\n............. .^7?JJ?????????J7^. .. J&&&5 .??J#&&&7 ^??Y&&&G: ..........\n............... .^7?J???????7^. ..... ?#@#55PBG5#&&&5J5PBBB&&P: ...........\n................. .:!?JJJ?!:. ........ ^!JBBBGYP&&&&B5PBBBP!!. ............\n................... .:!7!:. ........... ..:JGBGGGGBG5~ .. .............\n..................... ... ................. ............ ..................\n...........................................................................\n...........................................................................\n...........................................................................\n...........................................................................\n***************************************************************************/\n\npragma solidity ^0.8.6;\n\nimport { IShufflerToken } from './IShufflerToken.sol';\n\ninterface IShufflerDescriptor {\n event PartsLocked();\n\n event DataURIToggled(bool enabled);\n\n event BaseURIUpdated(string baseURI);\n\n function arePartsLocked() external returns (bool);\n\n function isDataURIEnabled() external returns (bool);\n\n function baseURI() external view returns (string memory);\n\n function palettes(uint8 paletteIndex, uint256 colorIndex) external view returns (string memory);\n\n function backgrounds(uint256 index) external view returns (string memory);\n\n function cards(uint256 index) external view returns (bytes memory);\n\n function sides(uint256 index) external view returns (bytes memory);\n\n function corners(uint256 index) external view returns (bytes memory);\n\n function centers(uint256 index) external view returns (bytes memory);\n\n function backgroundCount() external view returns (uint256);\n\n function cardCount() external view returns (uint256);\n\n function sideCount() external view returns (uint256);\n\n function cornerCount() external view returns (uint256);\n\n function centerCount() external view returns (uint256);\n\n function addManyColorsToPalette(uint8 paletteIndex, string[] calldata newColors) external;\n\n function addManyBackgrounds(string[] calldata backgrounds) external;\n\n function addManyCards(bytes[] calldata cards, string[] calldata cardNames) external;\n\n function addManySides(bytes[] calldata sides, string[] calldata sideNames) external;\n\n function addManyCorners(bytes[] calldata corners) external;\n\n function addManyCenters(bytes[] calldata centers, string[] calldata centerNames) external;\n\n function addColorToPalette(uint8 paletteIndex, string calldata color) external;\n\n function lockParts() external;\n\n function toggleDataURIEnabled() external;\n\n function setBaseURI(string calldata baseURI) external;\n\n function tokenURI(uint256 tokenId, IShufflerToken.Seed memory seed) external view returns (string memory);\n\n function dataURI(uint256 tokenId, IShufflerToken.Seed memory seed) external view returns (string memory);\n\n function genericDataURI(\n string calldata name,\n string calldata description,\n IShufflerToken.Seed memory seed\n ) external view returns (string memory);\n\n function generateSVGImage(IShufflerToken.Seed memory seed) external view returns (string memory);\n\n function isComposable(address addr) external view returns (bool);\n}\n"
},
"contracts/interfaces/IShufflerToken.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0\n\n/// @title Interface for ShufflerToken\n\n/**************************************************************************\n...........................................................................\n...........................................................................\n...........................................................................\n...........................................................................\n..................... ............... ....... ...............\n................... .?5?: ........... .::::::. ... .:::::. .............\n................. :?B&@&B?: ....... .^7??????!:. .~7??????~: ............\n............... :J#&&&&&&&#J: .....^7??????JJJ?!!7????JJJ?J?!............\n............. ^Y#&&&&&&&&&&&#Y^ .. !J??YGGP^^~?JJ?5GGJ^^~????: ..........\n........... ^5&@&&&&&&&&&&&&&@&5~ !J??5@@B. .7???G@@Y :????:...........\n.......... :5&&BBB###&&&&#BBB###&&P: ~???5@@B. .7???G@@Y :???7............\n......... ^P&&#:..7J?G&&&5..:??J#&&G~ ~??J55Y!!!????Y5PJ!!!??7.............\n......... !@&&#. 7??G&&&5 :??J#&&@7 ^?????JJJ????????JJJ?7..............\n......... !@&&#~^^JYJB&&&P^^~JYY#&&@7 ..:~?J??????????????7^...............\n......... :JB&&&&&&&&B#&#B&&&&&&&&#J: .. .~?J????????J?!:. ...............\n.......... :?BBBBBB5YB&BY5BBBBBB?: ..... .~77???J?7!:. .................\n............ ....^Y#@@&@@#Y^.... .......... ..^!7~:.. ...................\n.............. .!777???777!. ............ :^^^. ...................\n.................. .^7?7^. .............. .~Y5#&&&G57: ..................\n................ :~???????~: .............!&&&&&&&&@@5:..................\n.............. .:!?J???????J?!: ......... ~&&&&&&&&&&&@5 .................\n............ .:!??JJJ????????J?!:. ...... ^B&&&&&&&&&&&J ................\n............^!JGBG!^^7???YBBP^^~?!^. . .^^~YG&&&&&9^^: .............\n......... :7??J&&&^ !???5@@B. .?J?7: :?5G&&&#PY#&&&P5B&&Y^ ............\n...........~7?J&&&^ !???5@@B. .?J?~.:Y&@G77?555#&&&Y!7J55P&&#~............\n........... .^75557!!7???J55Y!!!7~. Y@&&5 .???#&&&7 ^??Y&&&&: ..........\n............. .^7?JJ?????????J7^. .. J&&&5 .??J#&&&7 ^??Y&&&G: ..........\n............... .^7?J???????7^. ..... ?#@#55PBG5#&&&5J5PBBB&&P: ...........\n................. .:!?JJJ?!:. ........ ^!JBBBGYP&&&&B5PBBBP!!. ............\n................... .:!7!:. ........... ..:JGBGGGGBG5~ .. .............\n..................... ... ................. ............ ..................\n...........................................................................\n...........................................................................\n...........................................................................\n...........................................................................\n***************************************************************************/\n\npragma solidity ^0.8.6;\n\nimport { IShufflerDescriptor } from './IShufflerDescriptor.sol';\n\ninterface IShufflerToken {\n event ShufflerCreated(address indexed creator, uint256 indexed startTokenId, uint256 indexed endTokenId);\n \n event NftOverridden(uint256 indexed tokenId, address indexed override_contract, uint256 indexed override_token_id);\n\n event DescriptorUpdated(IShufflerDescriptor descriptor);\n\n event DescriptorLocked();\n\n event SeedsLocked();\n\n event SeedsAdded(uint256[] seeds);\n\n event Reveal(uint64 offset);\n\n struct Seed {\n uint48 background;\n uint48 card;\n uint48 side;\n uint48 corner;\n uint48 center;\n address override_contract;\n uint64 override_token_id;\n }\n\n function setTreasury(address payable _treasury) external;\n\n function lockSeeds() external;\n\n function areSeedsLocked() external returns (bool);\n\n function addManySeeds(uint256[] calldata seeds) external;\n\n function seedCount() external view returns (uint256);\n\n function mint(uint256 count) external payable;\n\n function ownerMint(address to, uint256 count) external;\n\n function mintWhiteList(uint256 count, uint256 maxCount, bytes32[] calldata merkleProof) external payable;\n\n function reveal() external;\n\n function setDescriptor(IShufflerDescriptor descriptor) external;\n\n function lockDescriptor() external;\n\n function withdraw() external;\n\n function setComposePrice(uint256 _price) external;\n\n function setOverrideNft(uint256 tokenId, address override_contract, uint64 override_token_id) external payable;\n\n function removeOverrideNft(uint256 tokenId) external;\n}\n"
},
"contracts/libs/NFTDescriptor.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0\n// Modified from nouns.wtf\n\n/// @title A library used to construct ERC721 token URIs and SVG images\n\n/**************************************************************************\n...........................................................................\n...........................................................................\n...........................................................................\n...........................................................................\n..................... ............... ....... ...............\n................... .?5?: ........... .::::::. ... .:::::. .............\n................. :?B&@&B?: ....... .^7??????!:. .~7??????~: ............\n............... :J#&&&&&&&#J: .....^7??????JJJ?!!7????JJJ?J?!............\n............. ^Y#&&&&&&&&&&&#Y^ .. !J??YGGP^^~?JJ?5GGJ^^~????: ..........\n........... ^5&@&&&&&&&&&&&&&@&5~ !J??5@@B. .7???G@@Y :????:...........\n.......... :5&&BBB###&&&&#BBB###&&P: ~???5@@B. .7???G@@Y :???7............\n......... ^P&&#:..7J?G&&&5..:??J#&&G~ ~??J55Y!!!????Y5PJ!!!??7.............\n......... !@&&#. 7??G&&&5 :??J#&&@7 ^?????JJJ????????JJJ?7..............\n......... !@&&#~^^JYJB&&&P^^~JYY#&&@7 ..:~?J??????????????7^...............\n......... :JB&&&&&&&&B#&#B&&&&&&&&#J: .. .~?J????????J?!:. ...............\n.......... :?BBBBBB5YB&BY5BBBBBB?: ..... .~77???J?7!:. .................\n............ ....^Y#@@&@@#Y^.... .......... ..^!7~:.. ...................\n.............. .!777???777!. ............ :^^^. ...................\n.................. .^7?7^. .............. .~Y5#&&&G57: ..................\n................ :~???????~: .............!&&&&&&&&@@5:..................\n.............. .:!?J???????J?!: ......... ~&&&&&&&&&&&@5 .................\n............ .:!??JJJ????????J?!:. ...... ^B&&&&&&&&&&&J ................\n............^!JGBG!^^7???YBBP^^~?!^. . .^^~YG&&&&&9^^: .............\n......... :7??J&&&^ !???5@@B. .?J?7: :?5G&&&#PY#&&&P5B&&Y^ ............\n...........~7?J&&&^ !???5@@B. .?J?~.:Y&@G77?555#&&&Y!7J55P&&#~............\n........... .^75557!!7???J55Y!!!7~. Y@&&5 .???#&&&7 ^??Y&&&&: ..........\n............. .^7?JJ?????????J7^. .. J&&&5 .??J#&&&7 ^??Y&&&G: ..........\n............... .^7?J???????7^. ..... ?#@#55PBG5#&&&5J5PBBB&&P: ...........\n................. .:!?JJJ?!:. ........ ^!JBBBGYP&&&&B5PBBBP!!. ............\n................... .:!7!:. ........... ..:JGBGGGGBG5~ .. .............\n..................... ... ................. ............ ..................\n...........................................................................\n...........................................................................\n...........................................................................\n...........................................................................\n***************************************************************************/\n\npragma solidity ^0.8.6;\n\nimport { Base64 } from './base64.sol';\nimport { MultiPartRLEToSVG } from './MultiPartRLEToSVG.sol';\nimport { IERC721Metadata } from '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';\nimport { NounsProxy, DescriptorProxy } from '../NounsProxy.sol';\nimport { PunkDataProxy } from \"../PunkDataProxy.sol\";\nimport { BlitmapProxy } from \"../BlitmapProxy.sol\";\nimport { ChainRunnerProxy, ChainRunnerRenderProxy } from \"../ChainRunnerProxy.sol\";\n\nlibrary NFTDescriptor {\n address constant NOUNS_CONTRACT = address(0x9C8fF314C9Bc7F6e59A9d9225Fb22946427eDC03);\n address constant PUNK_ORIGINAL_CONTRACT = address(0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB);\n address constant PUNK_DATA_CONTRACT = address(0x16F5A35647D6F03D5D3da7b35409D65ba03aF3B2);\n address constant BLITMAP_CONTRACT = address(0x8d04a8c79cEB0889Bdd12acdF3Fa9D207eD3Ff63);\n address constant CHAIN_RUNNER_CONTRACT = address(0x97597002980134beA46250Aa0510C9B90d87A587);\n address constant LOOT_CONTRACT = address(0xFF9C1b15B16263C61d017ee9F65C50e4AE0113D7);\n address constant ONCHAIN_MONKEY_CONTRACT = address(0x960b7a6BCD451c9968473f7bbFd9Be826EFd549A);\n\n struct TokenURIParams {\n string name;\n string description;\n bytes[] parts;\n string[] partNames;\n string background;\n address override_contract;\n uint256 override_token_id;\n }\n\n // Return a substring of _data[start, end), include _data[start], exclude _data[end]\n function slice(string memory _data, uint start, uint end) internal pure returns (string memory) {\n bytes memory data = bytes(_data);\n string memory result;\n uint outputLen = end - start;\n\n require(start >= 0, \"param error: negtive start\");\n require(end > start, \"param error: end is smaller or equal than start\");\n require(end <= data.length, \"param error: end greater than string length\");\n\n if (data.length == 0) return \"\";\n assembly {\n result := add(data, start)\n mstore(result, outputLen)\n }\n\n return result;\n }\n\n function fetchTokenSvg(address tokenContract, uint256 tokenId) public view returns (string memory) {\n string memory decoded_uri = \"\";\n if (tokenContract == address(0)) {\n return decoded_uri;\n }\n if (NOUNS_CONTRACT == tokenContract) {\n decoded_uri = _handleNounsTokenUri(tokenContract, tokenId);\n } else if (PUNK_ORIGINAL_CONTRACT == tokenContract) {\n decoded_uri = _handlePunkTokenUri(tokenId);\n } else if (BLITMAP_CONTRACT == tokenContract) {\n decoded_uri = _handleBlitmapTokenUri(tokenContract, tokenId);\n } else if (CHAIN_RUNNER_CONTRACT == tokenContract) {\n decoded_uri = _handleChainRunnerTokenUri(tokenContract, tokenId);\n } else {\n decoded_uri = _handleGeneral721TokenUri(tokenContract, tokenId);\n }\n return decoded_uri;\n }\n\n function _handleNounsTokenUri(address tokenContract, uint256 tokenId) internal view returns (string memory) {\n NounsProxy otherContract = NounsProxy(tokenContract);\n (uint48 a, uint48 b, uint48 c, uint48 d, uint48 e) = otherContract.seeds(tokenId);\n NounsProxy.Seed memory seed = NounsProxy.Seed(a, b, c, d, e);\n DescriptorProxy descriptor = otherContract.descriptor();\n\n string memory encoded_uri = descriptor.generateSVGImage(seed);\n return string(Base64.decode(encoded_uri));\n }\n\n function _handlePunkTokenUri(uint256 tokenId) internal view returns (string memory) {\n PunkDataProxy otherContract = PunkDataProxy(PUNK_DATA_CONTRACT);\n string memory svgWithHeader = otherContract.punkImageSvg(uint16(tokenId));\n // remove header \"data:image/svg+xml;utf8,\" and return\n return slice(svgWithHeader, 24, bytes(svgWithHeader).length);\n }\n\n function _handleBlitmapTokenUri(address tokenContract, uint256 tokenId) internal view returns (string memory) {\n BlitmapProxy otherContract = BlitmapProxy(tokenContract);\n string memory svgWithHeader = otherContract.tokenSvgDataOf(tokenId);\n return slice(svgWithHeader, 54, bytes(svgWithHeader).length);\n }\n\n function _handleChainRunnerTokenUri(address tokenContract, uint256 tokenId) internal view returns (string memory) {\n ChainRunnerProxy otherContract = ChainRunnerProxy(tokenContract);\n ChainRunnerRenderProxy renderContract = ChainRunnerRenderProxy(otherContract.renderingContractAddress());\n string memory encodedUri = renderContract.onChainTokenURI(tokenId);\n // remove prefix \"data:application/json;base64,\" and decode\n string memory headlessEncodedUri = slice(encodedUri, 29, bytes(encodedUri).length);\n return string(Base64.decodeChainRunnerBase64(headlessEncodedUri));\n }\n\n function _handleGeneral721TokenUri(address tokenContract, uint256 tokenId) internal view returns (string memory) {\n IERC721Metadata otherContract = IERC721Metadata(tokenContract);\n string memory encodedUri = otherContract.tokenURI(tokenId);\n // remove prefix \"data:application/json;base64,\" and decode\n string memory headlessEncodedUri = slice(encodedUri, 29, bytes(encodedUri).length);\n return string(Base64.decodeGetJsonImgDecoded(headlessEncodedUri));\n }\n\n /**\n * @notice Construct an ERC721 token URI.\n */\n function constructTokenURI(TokenURIParams memory params, mapping(uint8 => string[]) storage palettes)\n public\n view\n returns (string memory)\n {\n string memory image = generateSVGImage(\n MultiPartRLEToSVG.SVGParams({\n parts: params.parts,\n background: params.background,\n center_svg: fetchTokenSvg(params.override_contract, params.override_token_id)\n }),\n palettes\n );\n\n return string(\n abi.encodePacked(\n 'data:application/json;base64,',\n Base64.encode(\n bytes(\n abi.encodePacked(\n '{\"name\":\"', params.name,\n '\", \"description\":\"', params.description,\n '\", \"image\": \"', 'data:image/svg+xml;base64,', image,\n '\", \"attributes\":', generateTraitsDesc(params.partNames),\n '}')\n )\n )\n )\n );\n }\n\n /**\n * @notice Generate traits description string for opensea\n */\n function generateTraitsDesc(string[] memory traitNames)\n public\n pure\n returns (string memory traitDesc)\n {\n return string(\n abi.encodePacked(\n '[{\"trait_type\": \"Background\", \"value\": \"', traitNames[0],\n '\"},{\"trait_type\": \"Card\", \"value\": \"', traitNames[1],\n '\"},{\"trait_type\": \"Frame\", \"value\": \"', traitNames[2],\n '\"},{\"trait_type\": \"Suit\", \"value\": \"', traitNames[3],\n '\"},{\"trait_type\": \"Rank\", \"value\": \"', traitNames[4],\n '\"},{\"trait_type\": \"Theme\", \"value\": \"', traitNames[5],\n '\"}]'\n )\n );\n }\n\n /**\n * @notice Generate an SVG image for use in the ERC721 token URI.\n */\n function generateSVGImage(MultiPartRLEToSVG.SVGParams memory params, mapping(uint8 => string[]) storage palettes)\n public\n view\n returns (string memory svg)\n {\n return Base64.encode(bytes(MultiPartRLEToSVG.generateSVG(params, palettes)));\n }\n}\n"
},
"contracts/libs/MultiPartRLEToSVG.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0\n\n/// @title A library used to convert multi-part RLE compressed images to SVG\n\n/*********************************\n * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *\n * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *\n * ░░░░░░█████████░░█████████░░░ *\n * ░░░░░░██░░░████░░██░░░████░░░ *\n * ░░██████░░░████████░░░████░░░ *\n * ░░██░░██░░░████░░██░░░████░░░ *\n * ░░██░░██░░░████░░██░░░████░░░ *\n * ░░░░░░█████████░░█████████░░░ *\n * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *\n * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *\n *********************************/\n\npragma solidity ^0.8.6;\n\nlibrary MultiPartRLEToSVG {\n struct SVGParams {\n bytes[] parts;\n string background;\n string center_svg;\n }\n\n struct ContentBounds {\n uint8 top;\n uint8 right;\n uint8 bottom;\n uint8 left;\n }\n\n struct Rect {\n uint8 length;\n uint8 colorIndex;\n }\n\n struct DecodedImage {\n uint8 paletteIndex;\n ContentBounds bounds;\n Rect[] rects;\n }\n\n /**\n * @notice Given RLE image parts and color palettes, merge to generate a single SVG image.\n */\n function generateSVG(SVGParams memory params, mapping(uint8 => string[]) storage palettes)\n internal\n view\n returns (string memory svg)\n {\n string memory svg_head = string(\n abi.encodePacked(\n '<svg viewBox=\"0 0 840 840\" xmlns=\"http://www.w3.org/2000/svg\">',\n '<svg width=\"840\" height=\"840\" shape-rendering=\"crispEdges\">',\n '<rect width=\"100%\" height=\"100%\" fill=\"#', params.background, '\" />',\n _generateSVGRects(params, palettes),\n '</svg>'\n )\n );\n if (bytes(params.center_svg).length == 0) {\n return string(abi.encodePacked(svg_head, '</svg>'));\n } else {\n return string(\n abi.encodePacked(\n svg_head,\n '<svg width=\"320\" height=\"320\" x=\"260\" y=\"260\">',\n params.center_svg,\n '</svg></svg>'\n )\n );\n }\n\n }\n\n /**\n * @notice Given RLE image parts and color palettes, generate SVG rects.\n */\n // prettier-ignore\n function _generateSVGRects(SVGParams memory params, mapping(uint8 => string[]) storage palettes)\n private\n view\n returns (string memory svg)\n {\n string[85] memory lookup = [\n '0', '10', '20', '30', '40', '50', '60', '70', '80', '90',\n '100', '110', '120', '130', '140', '150', '160', '170', '180', '190',\n '200', '210', '220', '230', '240', '250', '260', '270', '280', '290',\n '300', '310', '320', '330', '340', '350', '360', '370', '380', '390',\n '400', '410', '420', '430', '440', '450', '460', '470', '480', '490',\n '500', '510', '520', '530', '540', '550', '560', '570', '580', '590',\n '600', '610', '620', '630', '640', '650', '660', '670', '680', '690',\n '700', '710', '720', '730', '740', '750', '760', '770', '780', '790',\n '800', '810', '820', '830', '840'\n ];\n string memory rects;\n uint256 len = params.parts.length;\n if (bytes(params.center_svg).length > 0) {\n // if there is an override center image then we don't have to render the center\n len--;\n }\n for (uint8 p = 0; p < len; p++) {\n DecodedImage memory image = _decodeRLEImage(params.parts[p]);\n string[] storage palette = palettes[image.paletteIndex];\n uint256 currentX = image.bounds.left;\n uint256 currentY = image.bounds.top;\n uint256 cursor;\n string[16] memory buffer;\n\n string memory part;\n for (uint256 i = 0; i < image.rects.length; i++) {\n Rect memory rect = image.rects[i];\n if (rect.colorIndex != 0) {\n buffer[cursor] = lookup[rect.length]; // width\n buffer[cursor + 1] = lookup[currentX]; // x\n buffer[cursor + 2] = lookup[currentY]; // y\n buffer[cursor + 3] = palette[rect.colorIndex]; // color\n\n cursor += 4;\n\n if (cursor >= 16) {\n part = string(abi.encodePacked(part, _getChunk(cursor, buffer)));\n cursor = 0;\n }\n }\n\n currentX += rect.length;\n if (currentX == image.bounds.right) {\n currentX = image.bounds.left;\n currentY++;\n }\n }\n\n if (cursor != 0) {\n part = string(abi.encodePacked(part, _getChunk(cursor, buffer)));\n }\n rects = string(abi.encodePacked(rects, part));\n }\n return rects;\n }\n\n /**\n * @notice Return a string that consists of all rects in the provided `buffer`.\n */\n // prettier-ignore\n function _getChunk(uint256 cursor, string[16] memory buffer) private pure returns (string memory) {\n string memory chunk;\n for (uint256 i = 0; i < cursor; i += 4) {\n chunk = string(\n abi.encodePacked(\n chunk,\n '<rect width=\"', buffer[i], '\" height=\"10\" x=\"', buffer[i + 1], '\" y=\"', buffer[i + 2], '\" fill=\"#', buffer[i + 3], '\" />'\n )\n );\n }\n return chunk;\n }\n\n /**\n * @notice Decode a single RLE compressed image into a `DecodedImage`.\n */\n function _decodeRLEImage(bytes memory image) private pure returns (DecodedImage memory) {\n uint8 paletteIndex = uint8(image[0]);\n ContentBounds memory bounds = ContentBounds({\n top: uint8(image[1]),\n right: uint8(image[2]),\n bottom: uint8(image[3]),\n left: uint8(image[4])\n });\n\n uint256 cursor;\n Rect[] memory rects = new Rect[]((image.length - 5) / 2);\n for (uint256 i = 5; i < image.length; i += 2) {\n rects[cursor] = Rect({ length: uint8(image[i]), colorIndex: uint8(image[i + 1]) });\n cursor++;\n }\n return DecodedImage({ paletteIndex: paletteIndex, bounds: bounds, rects: rects });\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"
},
"contracts/libs/base64.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.6.0;\n\n/**************************************************************************\n...........................................................................\n...........................................................................\n...........................................................................\n...........................................................................\n..................... ............... ....... ...............\n................... .?5?: ........... .::::::. ... .:::::. .............\n................. :?B&@&B?: ....... .^7??????!:. .~7??????~: ............\n............... :J#&&&&&&&#J: .....^7??????JJJ?!!7????JJJ?J?!............\n............. ^Y#&&&&&&&&&&&#Y^ .. !J??YGGP^^~?JJ?5GGJ^^~????: ..........\n........... ^5&@&&&&&&&&&&&&&@&5~ !J??5@@B. .7???G@@Y :????:...........\n.......... :5&&BBB###&&&&#BBB###&&P: ~???5@@B. .7???G@@Y :???7............\n......... ^P&&#:..7J?G&&&5..:??J#&&G~ ~??J55Y!!!????Y5PJ!!!??7.............\n......... !@&&#. 7??G&&&5 :??J#&&@7 ^?????JJJ????????JJJ?7..............\n......... !@&&#~^^JYJB&&&P^^~JYY#&&@7 ..:~?J??????????????7^...............\n......... :JB&&&&&&&&B#&#B&&&&&&&&#J: .. .~?J????????J?!:. ...............\n.......... :?BBBBBB5YB&BY5BBBBBB?: ..... .~77???J?7!:. .................\n............ ....^Y#@@&@@#Y^.... .......... ..^!7~:.. ...................\n.............. .!777???777!. ............ :^^^. ...................\n.................. .^7?7^. .............. .~Y5#&&&G57: ..................\n................ :~???????~: .............!&&&&&&&&@@5:..................\n.............. .:!?J???????J?!: ......... ~&&&&&&&&&&&@5 .................\n............ .:!??JJJ????????J?!:. ...... ^B&&&&&&&&&&&J ................\n............^!JGBG!^^7???YBBP^^~?!^. . .^^~YG&&&&&9^^: .............\n......... :7??J&&&^ !???5@@B. .?J?7: :?5G&&&#PY#&&&P5B&&Y^ ............\n...........~7?J&&&^ !???5@@B. .?J?~.:Y&@G77?555#&&&Y!7J55P&&#~............\n........... .^75557!!7???J55Y!!!7~. Y@&&5 .???#&&&7 ^??Y&&&&: ..........\n............. .^7?JJ?????????J7^. .. J&&&5 .??J#&&&7 ^??Y&&&G: ..........\n............... .^7?J???????7^. ..... ?#@#55PBG5#&&&5J5PBBB&&P: ...........\n................. .:!?JJJ?!:. ........ ^!JBBBGYP&&&&B5PBBBP!!. ............\n................... .:!7!:. ........... ..:JGBGGGGBG5~ .. .............\n..................... ... ................. ............ ..................\n...........................................................................\n...........................................................................\n...........................................................................\n...........................................................................\n***************************************************************************/\n\n/// @title Base64\n/// @author Brecht Devos - <[email protected]>\n/// @notice Provides functions for encoding/decoding base64\nlibrary Base64 {\n string internal constant TABLE_ENCODE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n bytes internal constant TABLE_DECODE = hex\"0000000000000000000000000000000000000000000000000000000000000000\"\n hex\"00000000000000000000003e0000003f3435363738393a3b3c3d000000000000\"\n hex\"00000102030405060708090a0b0c0d0e0f101112131415161718190000000000\"\n hex\"001a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132330000000000\";\n\n function encode(bytes memory data) internal pure returns (string memory) {\n if (data.length == 0) return '';\n\n // load the table into memory\n string memory table = TABLE_ENCODE;\n\n // multiply by 4/3 rounded up\n uint256 encodedLen = 4 * ((data.length + 2) / 3);\n\n // add some extra buffer at the end required for the writing\n string memory result = new string(encodedLen + 32);\n\n assembly {\n // set the actual output length\n mstore(result, encodedLen)\n\n // prepare the lookup table\n let tablePtr := add(table, 1)\n\n // input ptr\n let dataPtr := data\n let endPtr := add(dataPtr, mload(data))\n\n // result ptr, jump over length\n let resultPtr := add(result, 32)\n\n // run over the input, 3 bytes at a time\n for {} lt(dataPtr, endPtr) {}\n {\n // read 3 bytes\n dataPtr := add(dataPtr, 3)\n let input := mload(dataPtr)\n\n // write 4 characters\n mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))\n resultPtr := add(resultPtr, 1)\n mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))\n resultPtr := add(resultPtr, 1)\n mstore8(resultPtr, mload(add(tablePtr, and(shr( 6, input), 0x3F))))\n resultPtr := add(resultPtr, 1)\n mstore8(resultPtr, mload(add(tablePtr, and( input, 0x3F))))\n resultPtr := add(resultPtr, 1)\n }\n\n // padding with '='\n switch mod(mload(data), 3)\n case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) }\n case 2 { mstore(sub(resultPtr, 1), shl(248, 0x3d)) }\n }\n\n return result;\n }\n\n function decode(string memory _data) internal pure returns (bytes memory) {\n bytes memory data = bytes(_data);\n\n if (data.length == 0) return new bytes(0);\n require(data.length % 4 == 0, \"invalid base64 decoder input\");\n\n // load the table into memory\n bytes memory table = TABLE_DECODE;\n\n // every 4 characters represent 3 bytes\n uint256 decodedLen = (data.length / 4) * 3;\n\n // add some extra buffer at the end required for the writing\n bytes memory result = new bytes(decodedLen + 32);\n\n assembly {\n // padding with '='\n let lastBytes := mload(add(data, mload(data)))\n if eq(and(lastBytes, 0xFF), 0x3d) {\n decodedLen := sub(decodedLen, 1)\n if eq(and(lastBytes, 0xFFFF), 0x3d3d) {\n decodedLen := sub(decodedLen, 1)\n }\n }\n\n // set the actual output length\n mstore(result, decodedLen)\n\n // prepare the lookup table\n let tablePtr := add(table, 1)\n\n // input ptr\n let dataPtr := data\n let endPtr := add(dataPtr, mload(data))\n\n // result ptr, jump over length\n let resultPtr := add(result, 32)\n\n // run over the input, 4 characters at a time\n for {} lt(dataPtr, endPtr) {}\n {\n // read 4 characters\n dataPtr := add(dataPtr, 4)\n let input := mload(dataPtr)\n\n // write 3 bytes\n let output := add(\n add(\n shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)),\n shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))),\n add(\n shl( 6, and(mload(add(tablePtr, and(shr( 8, input), 0xFF))), 0xFF)),\n and(mload(add(tablePtr, and( input , 0xFF))), 0xFF)\n )\n )\n mstore(resultPtr, shl(232, output))\n resultPtr := add(resultPtr, 3)\n }\n }\n\n return result;\n }\n\n // @author onchain shufflers\n // optimized decoder for Chainrunners, one pass base64 decode and json string retrieval\n // return \"image_data\" field and insert \"svg:nth-child(2) \" in <style>\n // input: base64 encoded json with format\n // {\"name\":\"Runner #0\", \"description\":\"Chain Runners\", \"image_data\": \"<begin><style></style></end>\"}\n // output: base64 string from the \"image_data\" field, i.e. \"<begin><style>svg:nth-child(2) </style></end>\"\n function decodeChainRunnerBase64(string memory _data) internal pure returns (bytes memory) {\n bytes memory data = bytes(_data);\n\n if (data.length == 0) return new bytes(0);\n require(data.length % 4 == 0, \"invalid base64 decoder input\");\n\n // load the table into memory\n bytes memory table = TABLE_DECODE;\n\n // add some extra buffer at the end required for the writing\n bytes memory result = new bytes((data.length / 4) * 3 + 32);\n\n assembly {\n // prepare the lookup table\n let tablePtr := add(table, 1)\n\n // input ptr\n let dataPtr := data\n let endPtr := add(dataPtr, mload(data))\n\n // result ptr, jump over length\n let resultPtr := add(result, 32)\n\n let state := 0 // FSM state\n let resultLen := 0\n // run over the input, 4 characters at a time\n for {} lt(dataPtr, endPtr) {}\n {\n // read 4 characters\n dataPtr := add(dataPtr, 4)\n let input := mload(dataPtr)\n\n // write 3 bytes\n let output := add(\n add(\n shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)),\n shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))\n ),\n add(\n shl(6, and(mload(add(tablePtr, and(shr(8, input), 0xFF))), 0xFF)),\n and(mload(add(tablePtr, and(input, 0xFF))), 0xFF)\n )\n )\n let threeChar := shl(232, output)\n\n for {let i := 0} lt(i, 3) {i := add(i, 1)} {\n let b := byte(i, threeChar)\n\n switch state\n // \"\n case 0 {switch eq(and(b, 0xFF), 0x22) case 1 {state := add(state, 1)}}\n // i\n case 1 {switch eq(and(b, 0xFF), 0x69) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // m\n case 2 {switch eq(and(b, 0xFF), 0x6d) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // a\n case 3 {switch eq(and(b, 0xFF), 0x61) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // g\n case 4 {switch eq(and(b, 0xFF), 0x67) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // e\n case 5 {switch eq(and(b, 0xFF), 0x65) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // _\n case 6 {switch eq(and(b, 0xFF), 0x5f) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // d\n case 7 {switch eq(and(b, 0xFF), 0x64) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // a\n case 8 {switch eq(and(b, 0xFF), 0x61) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // t\n case 9 {switch eq(and(b, 0xFF), 0x74) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // a\n case 10 {switch eq(and(b, 0xFF), 0x61) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // \"\n case 11 {switch eq(and(b, 0xFF), 0x22) case 1 {state := add(state, 1)} case 0 {state := 0}}\n // until \"\n case 12 {switch eq(and(b, 0xFF), 0x22) case 1 {state := add(state, 1)} case 0 {}}\n // store char string until <style>\n case 13 {\n switch eq(and(b, 0xFF), 0x3c) case 1 {state := add(state, 1)} case 0 {}\n mstore(resultPtr, shl(248, b)) resultPtr := add(resultPtr, 1) resultLen := add(resultLen, 1)\n }\n // s\n case 14 {mstore(resultPtr, shl(248, b)) resultPtr := add(resultPtr, 1) resultLen := add(resultLen, 1)\n switch eq(and(b, 0xFF), 0x73) case 1 {state := add(state, 1)} case 0 {state := 13}}\n // t\n case 15 {mstore(resultPtr, shl(248, b)) resultPtr := add(resultPtr, 1) resultLen := add(resultLen, 1)\n switch eq(and(b, 0xFF), 0x74) case 1 {state := add(state, 1)} case 0 {state := 13}}\n // y\n case 16 {mstore(resultPtr, shl(248, b)) resultPtr := add(resultPtr, 1) resultLen := add(resultLen, 1)\n switch eq(and(b, 0xFF), 0x79) case 1 {state := add(state, 1)} case 0 {state := 13}}\n // l\n case 17 {mstore(resultPtr, shl(248, b)) resultPtr := add(resultPtr, 1) resultLen := add(resultLen, 1)\n switch eq(and(b, 0xFF), 0x6c) case 1 {state := add(state, 1)} case 0 {state := 13}}\n // e\n case 18 {mstore(resultPtr, shl(248, b)) resultPtr := add(resultPtr, 1) resultLen := add(resultLen, 1)\n switch eq(and(b, 0xFF), 0x65) case 1 {state := add(state, 1)} case 0 {state := 13}}\n // >\n case 19 {\n mstore(resultPtr, shl(248, b)) resultPtr := add(resultPtr, 1) resultLen := add(resultLen, 1)\n switch eq(and(b, 0xFF), 0x3e)\n case 1 {\n // some svg magic\n // insert \"svg:nth-child(2) \" to limit the scope of <style>\n // chainrunner uses customized style for svg <rect> which messed up our pokers\n mstore8(resultPtr, 0x73) resultPtr := add(resultPtr, 1) // s\n mstore8(resultPtr, 0x76) resultPtr := add(resultPtr, 1) // v\n mstore8(resultPtr, 0x67) resultPtr := add(resultPtr, 1) // g\n mstore8(resultPtr, 0x3a) resultPtr := add(resultPtr, 1) // :\n mstore8(resultPtr, 0x6e) resultPtr := add(resultPtr, 1) // n\n mstore8(resultPtr, 0x74) resultPtr := add(resultPtr, 1) // t\n mstore8(resultPtr, 0x68) resultPtr := add(resultPtr, 1) // h\n mstore8(resultPtr, 0x2d) resultPtr := add(resultPtr, 1) // -\n mstore8(resultPtr, 0x63) resultPtr := add(resultPtr, 1) // c\n mstore8(resultPtr, 0x68) resultPtr := add(resultPtr, 1) // h\n mstore8(resultPtr, 0x69) resultPtr := add(resultPtr, 1) // i\n mstore8(resultPtr, 0x6c) resultPtr := add(resultPtr, 1) // l\n mstore8(resultPtr, 0x64) resultPtr := add(resultPtr, 1) // d\n mstore8(resultPtr, 0x28) resultPtr := add(resultPtr, 1) // (\n mstore8(resultPtr, 0x32) resultPtr := add(resultPtr, 1) // 2\n mstore8(resultPtr, 0x29) resultPtr := add(resultPtr, 1) // )\n mstore8(resultPtr, 0x20) resultPtr := add(resultPtr, 1) // \" \"\n resultLen := add(resultLen, 17)\n state := add(state, 1)\n } case 0 {state := 13}}\n // store char string until \"\n case 20 {switch eq(and(b, 0xFF), 0x22) case 1 {state := add(state, 1)} case 0 {\n mstore(resultPtr, shl(248, b)) resultPtr := add(resultPtr, 1) resultLen := add(resultLen, 1)}\n }\n default {}\n }\n }\n mstore(result, resultLen)\n }\n return result;\n }\n\n // @author onchain shufflers\n // optimized decoder: one pass decode, string slicing and decode\n // input: base64 encoded json with format\n // {\"name\":\"Noun 0\", \"description\":\"Nouns DAO\", \"image\": \"data:image/svg+xml;base64,aGVsbG8=\"}\n // output: decoded base64 string from the \"image\" field, i.e. \"hello\"\n // ref: Decoding Base64 with padding, https://en.wikipedia.org/wiki/Base64\n function decodeGetJsonImgDecoded(string memory _data) internal pure returns (bytes memory) {\n bytes memory data = bytes(_data);\n\n if (data.length == 0) return new bytes(0);\n require(data.length % 4 == 0, \"invalid base64 decoder input\");\n\n // load the table into memory\n bytes memory table = TABLE_DECODE;\n\n // add some extra buffer at the end required for the writing\n bytes memory result = new bytes((data.length / 4) * 3 + 32);\n\n assembly {\n // prepare the lookup table\n let tablePtr := add(table, 1)\n\n // input ptr\n let dataPtr := data\n let endPtr := add(dataPtr, mload(data))\n\n // result ptr, jump over length\n let resultPtr := add(result, 32)\n\n let state := 0 // FSM state\n let resultLen := 0\n // run over the input, 4 characters at a time\n for {} lt(dataPtr, endPtr) {}\n {\n // read 4 characters\n dataPtr := add(dataPtr, 4)\n let input := mload(dataPtr)\n\n // write 3 bytes\n let output := add(\n add(\n shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)),\n shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))),\n add(\n shl( 6, and(mload(add(tablePtr, and(shr( 8, input), 0xFF))), 0xFF)),\n and(mload(add(tablePtr, and( input , 0xFF))), 0xFF)\n )\n )\n\n input := 0\n for { let i := 0 } lt(i, 3) { i := add(i, 1) } {\n let b := byte(i, shl(232, output)) // top three char\n\n switch state\n // \"\n case 0 { switch eq(and(b, 0xFF), 0x22) case 1 { state := add(state, 1) } }\n // i\n case 1 { switch eq(and(b, 0xFF), 0x69) case 1 { state := add(state, 1) } case 0 { state := 0 } }\n // m\n case 2 { switch eq(and(b, 0xFF), 0x6d) case 1 { state := add(state, 1) } case 0 { state := 0 } }\n // a\n case 3 { switch eq(and(b, 0xFF), 0x61) case 1 { state := add(state, 1) } case 0 { state := 0 } }\n // g\n case 4 { switch eq(and(b, 0xFF), 0x67) case 1 { state := add(state, 1) } case 0 { state := 0 } }\n // e\n case 5 { switch eq(and(b, 0xFF), 0x65) case 1 { state := add(state, 1) } case 0 { state := 0 } }\n // \"\n case 6 { switch eq(and(b, 0xFF), 0x22) case 1 { state := add(state, 1) } case 0 { state := 0 } }\n // until ,\n case 7 { switch eq(and(b, 0xFF), 0x2c) case 1 { state := add(state, 1) } case 0 { } }\n // start processing embeded base64 string, until \"\n case 8 { switch eq(and(b, 0xFF), 0x22) // if \"\n case 1 { state := 100 } // exit\n case 0 { // store 1st char\n mstore8(resultPtr, b)\n resultPtr := add(resultPtr, 1)\n state := add(state, 1)\n }\n }\n case 9 { // store 2nd char\n mstore8(resultPtr, b)\n resultPtr := add(resultPtr, 1)\n state := add(state, 1)\n }\n\n case 10 { switch eq(and(b, 0xFF), 0x3d) // if =\n case 1 { // decode and exit\n resultPtr := sub(resultPtr, 2)\n input := shr(224, mload(resultPtr))\n data := add(\n add(\n shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)),\n shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))),\n add(\n shl(6, and(mload(add(tablePtr, and(shr( 8, input), 0xFF))), 0xFF)),\n and(mload(add(tablePtr, and( input , 0xFF))), 0xFF)\n )\n )\n mstore(resultPtr, shl(232, data))\n resultLen := add(resultLen, 1)\n state := 100\n } case 0 { // store 3rd char\n mstore8(resultPtr, b)\n resultPtr := add(resultPtr, 1)\n state := add(state, 1)\n }\n }\n case 11 { switch eq(and(b, 0xFF), 0x3d) // if =\n case 1 { // decode and exit\n resultPtr := sub(resultPtr, 3)\n input := shr(224, mload(resultPtr))\n data := add(\n add(\n shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)),\n shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))),\n add(\n shl(6, and(mload(add(tablePtr, and(shr( 8, input), 0xFF))), 0xFF)),\n and(mload(add(tablePtr, and( input , 0xFF))), 0xFF)\n )\n )\n mstore(resultPtr, shl(232, data))\n resultLen := add(resultLen, 2)\n state := 100\n } case 0 { // decode and continue parsing\n mstore8(resultPtr, b)\n resultPtr := add(resultPtr, 1)\n resultPtr := sub(resultPtr, 4)\n input := shr(224, mload(resultPtr))\n data := add(\n add(\n shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)),\n shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))),\n add(\n shl(6, and(mload(add(tablePtr, and(shr( 8, input), 0xFF))), 0xFF)),\n and(mload(add(tablePtr, and( input , 0xFF))), 0xFF)\n )\n )\n mstore(resultPtr, shl(232, data))\n resultPtr := add(resultPtr, 3)\n resultLen := add(resultLen, 3)\n }\n state := 8\n }\n default { }\n }\n }\n mstore(result, resultLen)\n }\n return result;\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"
},
"contracts/NounsProxy.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0\npragma solidity ^0.8.6;\n\n\n/**\n * A mock contract we use to call method from nouns contract without depending on nouns contract\n */\nabstract contract NounsProxy {\n struct Seed {\n uint48 background;\n uint48 card;\n uint48 side;\n uint48 corner;\n uint48 center;\n }\n\n mapping(uint256 => Seed) public seeds;\n\n DescriptorProxy public descriptor;\n}\n\nabstract contract DescriptorProxy {\n function generateSVGImage(NounsProxy.Seed memory seed) virtual external view returns (string memory);\n}\n\n"
},
"contracts/PunkDataProxy.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0\npragma solidity ^0.8.6;\n\n\nabstract contract PunkDataProxy {\n function punkImageSvg(uint16 index) virtual external view returns (string memory);\n}\n"
},
"contracts/BlitmapProxy.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0\npragma solidity ^0.8.6;\n\n\nabstract contract BlitmapProxy {\n function tokenSvgDataOf(uint256 tokenId) virtual external view returns (string memory);\n}\n"
},
"contracts/ChainRunnerProxy.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0\npragma solidity ^0.8.6;\n\n\nabstract contract ChainRunnerProxy {\n address public renderingContractAddress;\n}\n\nabstract contract ChainRunnerRenderProxy {\n function onChainTokenURI(uint256 tokenId) virtual external view returns (string memory);\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/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"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 10000
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {
"contracts/libs/NFTDescriptor.sol": {
"NFTDescriptor": "0x1b3aa7bcc8bfb58d6c70f9a9876a9c1c8a93edbd"
}
}
}
} |