{ "contractName": "ERC721URIStorage", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "approved", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "operator", "type": "address" }, { "indexed": false, "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "ApprovalForAll", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "from", "type": "address" }, { "indexed": true, "internalType": "address", "name": "to", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "approve", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "getApproved", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "operator", "type": "address" } ], "name": "isApprovedForAll", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "name", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "ownerOf", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "safeTransferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" }, { "internalType": "bytes", "name": "_data", "type": "bytes" } ], "name": "safeTransferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "operator", "type": "address" }, { "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "setApprovalForAll", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes4", "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "symbol", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "transferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "tokenURI", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.11+commit.d7f03943\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"approved\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"bool\",\"name\":\"approved\",\"type\":\"bool\"}],\"name\":\"ApprovalForAll\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getApproved\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"isApprovedForAll\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ownerOf\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"approved\",\"type\":\"bool\"}],\"name\":\"setApprovalForAll\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"tokenURI\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"ERC721 token with storage based token URI management.\",\"kind\":\"dev\",\"methods\":{\"approve(address,uint256)\":{\"details\":\"See {IERC721-approve}.\"},\"balanceOf(address)\":{\"details\":\"See {IERC721-balanceOf}.\"},\"getApproved(uint256)\":{\"details\":\"See {IERC721-getApproved}.\"},\"isApprovedForAll(address,address)\":{\"details\":\"See {IERC721-isApprovedForAll}.\"},\"name()\":{\"details\":\"See {IERC721Metadata-name}.\"},\"ownerOf(uint256)\":{\"details\":\"See {IERC721-ownerOf}.\"},\"safeTransferFrom(address,address,uint256)\":{\"details\":\"See {IERC721-safeTransferFrom}.\"},\"safeTransferFrom(address,address,uint256,bytes)\":{\"details\":\"See {IERC721-safeTransferFrom}.\"},\"setApprovalForAll(address,bool)\":{\"details\":\"See {IERC721-setApprovalForAll}.\"},\"supportsInterface(bytes4)\":{\"details\":\"See {IERC165-supportsInterface}.\"},\"symbol()\":{\"details\":\"See {IERC721Metadata-symbol}.\"},\"tokenURI(uint256)\":{\"details\":\"See {IERC721Metadata-tokenURI}.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"See {IERC721-transferFrom}.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol\":\"ERC721URIStorage\"},\"evmVersion\":\"london\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/token/ERC721/ERC721.sol\":{\"keccak256\":\"0x11b84bb56dc112a6590bfe3e0efa118aa1b5891132342200d04c4ef544cb93de\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://cbc4803332d45dff58f865ed21c942fe4668e47cc7196c8dfe84102040b1d70f\",\"dweb:/ipfs/QmXhZLsocznRWCSyhjo3vo66Z1VsuuNptAVb6ASPYsWtGx\"]},\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0x516a22876c1fab47f49b1bc22b4614491cd05338af8bd2e7b382da090a079990\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://a439187f7126d31add4557f82d8aed6be0162007cd7182c48fd934dbab8f3849\",\"dweb:/ipfs/QmRPLguRFvrRJS7r6F1bcLvsx6q1VrgjEpZafyeL8D7xZh\"]},\"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol\":{\"keccak256\":\"0xd5fa74b4fb323776fa4a8158800fec9d5ac0fec0d6dd046dd93798632ada265f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://33017a30a99cc5411a9e376622c31fc4a55cfc6a335e2f57f00cbf24a817ff3f\",\"dweb:/ipfs/QmWNQtWTPhA7Lo8nbxbc8KFMvZwbFYB8fSeEQ3vuapSV4a\"]},\"@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol\":{\"keccak256\":\"0x1cbe42915bc66227970fe99bc0f783eb1de30f2b48f984af01ad45edb9658698\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://2baa08eb67d9da46e6c4c049f17b7684a1c68c5268d0f466cfa0eb23ce2bf9b0\",\"dweb:/ipfs/Qmdnj8zj4PfErB2HM2eKmDt7FrqrhggsZ6Qd8MpD593tgj\"]},\"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\":{\"keccak256\":\"0x75b829ff2f26c14355d1cba20e16fe7b29ca58eb5fef665ede48bc0f9c6c74b9\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://a0a107160525724f9e1bbbab031defc2f298296dd9e331f16a6f7130cec32146\",\"dweb:/ipfs/QmemujxSd7gX8A9M8UwmNbz4Ms3U9FG9QfudUgxwvTmPWf\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0x2ccf9d2313a313d41a791505f2b5abfdc62191b5d4334f7f7a82691c088a1c87\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b3a57d0854b2fdce6ebff933a48dca2445643d1eccfc27f00292e937f26c6a58\",\"dweb:/ipfs/QmW45rZooS9TqR4YXUbjRbtf2Bpb5ouSarBvfW1LdGprvV\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0xe2e337e6dde9ef6b680e07338c493ebea1b5fd09b43424112868e9cc1706bca7\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6df0ddf21ce9f58271bdfaa85cde98b200ef242a05a3f85c2bc10a8294800a92\",\"dweb:/ipfs/QmRK2Y5Yc6BK7tGKkgsgn3aJEQGi5aakeSPZvS65PV8Xp3\"]},\"@openzeppelin/contracts/utils/Strings.sol\":{\"keccak256\":\"0x32c202bd28995dd20c4347b7c6467a6d3241c74c8ad3edcbb610cd9205916c45\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://8179c356adb19e70d6b31a1eedc8c5c7f0c00e669e2540f4099e3844c6074d30\",\"dweb:/ipfs/QmWFbivarEobbqhS1go64ootVuHfVohBseerYy9FTEd1W2\"]},\"@openzeppelin/contracts/utils/introspection/ERC165.sol\":{\"keccak256\":\"0xd10975de010d89fd1c78dc5e8a9a7e7f496198085c151648f20cba166b32582b\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://fb0048dee081f6fffa5f74afc3fb328483c2a30504e94a0ddd2a5114d731ec4d\",\"dweb:/ipfs/QmZptt1nmYoA5SgjwnSgWqgUSDgm4q52Yos3xhnMv3MV43\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0x447a5f3ddc18419d41ff92b3773fb86471b1db25773e07f877f548918a185bf1\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://be161e54f24e5c6fae81a12db1a8ae87bc5ae1b0ddc805d82a1440a68455088f\",\"dweb:/ipfs/QmP7C3CHdY9urF4dEMb9wmsp1wMxHF6nhA2yQE5SKiPAdy\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721URIStorage.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../ERC721.sol\";\n\n/**\n * @dev ERC721 token with storage based token URI management.\n */\nabstract contract ERC721URIStorage is ERC721 {\n using Strings for uint256;\n\n // Optional mapping for token URIs\n mapping(uint256 => string) private _tokenURIs;\n\n /**\n * @dev See {IERC721Metadata-tokenURI}.\n */\n function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n require(_exists(tokenId), \"ERC721URIStorage: URI query for nonexistent token\");\n\n string memory _tokenURI = _tokenURIs[tokenId];\n string memory base = _baseURI();\n\n // If there is no base URI, return the token URI.\n if (bytes(base).length == 0) {\n return _tokenURI;\n }\n // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).\n if (bytes(_tokenURI).length > 0) {\n return string(abi.encodePacked(base, _tokenURI));\n }\n\n return super.tokenURI(tokenId);\n }\n\n /**\n * @dev Sets `_tokenURI` as the tokenURI of `tokenId`.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {\n require(_exists(tokenId), \"ERC721URIStorage: URI set of nonexistent token\");\n _tokenURIs[tokenId] = _tokenURI;\n }\n\n /**\n * @dev 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 override {\n super._burn(tokenId);\n\n if (bytes(_tokenURIs[tokenId]).length != 0) {\n delete _tokenURIs[tokenId];\n }\n }\n}\n", "sourcePath": "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol", "ast": { "absolutePath": "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol", "exportedSymbols": { "Address": [ 5275 ], "Context": [ 5297 ], "ERC165": [ 6252 ], "ERC721": [ 4661 ], "ERC721URIStorage": [ 4953 ], "IERC165": [ 6264 ], "IERC721": [ 4777 ], "IERC721Metadata": [ 4980 ], "IERC721Receiver": [ 4795 ], "Strings": [ 5574 ] }, "id": 4954, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 4827, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "113:23:24" }, { "absolutePath": "@openzeppelin/contracts/token/ERC721/ERC721.sol", "file": "../ERC721.sol", "id": 4828, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 4954, "sourceUnit": 4662, "src": "138:23:24", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 4830, "name": "ERC721", "nodeType": "IdentifierPath", "referencedDeclaration": 4661, "src": "271:6:24" }, "id": 4831, "nodeType": "InheritanceSpecifier", "src": "271:6:24" } ], "canonicalName": "ERC721URIStorage", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 4829, "nodeType": "StructuredDocumentation", "src": "163:69:24", "text": " @dev ERC721 token with storage based token URI management." }, "fullyImplemented": false, "id": 4953, "linearizedBaseContracts": [ 4953, 4661, 4980, 4777, 6252, 6264, 5297 ], "name": "ERC721URIStorage", "nameLocation": "251:16:24", "nodeType": "ContractDefinition", "nodes": [ { "id": 4834, "libraryName": { "id": 4832, "name": "Strings", "nodeType": "IdentifierPath", "referencedDeclaration": 5574, "src": "290:7:24" }, "nodeType": "UsingForDirective", "src": "284:26:24", "typeName": { "id": 4833, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "302:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "constant": false, "id": 4838, "mutability": "mutable", "name": "_tokenURIs", "nameLocation": "390:10:24", "nodeType": "VariableDeclaration", "scope": 4953, "src": "355:45:24", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string)" }, "typeName": { "id": 4837, "keyType": { "id": 4835, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "363:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Mapping", "src": "355:26:24", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string)" }, "valueType": { "id": 4836, "name": "string", "nodeType": "ElementaryTypeName", "src": "374:6:24", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } } }, "visibility": "private" }, { "baseFunctions": [ 4003 ], "body": { "id": 4899, "nodeType": "Block", "src": "555:575:24", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "id": 4849, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4841, "src": "581:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 4848, "name": "_exists", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4234, "src": "573:7:24", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint256_$returns$_t_bool_$", "typeString": "function (uint256) view returns (bool)" } }, "id": 4850, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "573:16:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524337323155524953746f726167653a2055524920717565727920666f72206e6f6e6578697374656e7420746f6b656e", "id": 4851, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "591:51:24", "typeDescriptions": { "typeIdentifier": "t_stringliteral_8e9ed1638ba7e2d59e03d0957c9339381732ac84d73f65c86c45db1467eafa2a", "typeString": "literal_string \"ERC721URIStorage: URI query for nonexistent token\"" }, "value": "ERC721URIStorage: URI query for nonexistent token" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_8e9ed1638ba7e2d59e03d0957c9339381732ac84d73f65c86c45db1467eafa2a", "typeString": "literal_string \"ERC721URIStorage: URI query for nonexistent token\"" } ], "id": 4847, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "565:7:24", 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See {IERC721Metadata-tokenURI}." }, "functionSelector": "c87b56dd", "id": 4900, "implemented": true, "kind": "function", "modifiers": [], "name": "tokenURI", "nameLocation": "476:8:24", "nodeType": "FunctionDefinition", "overrides": { "id": 4843, "nodeType": "OverrideSpecifier", "overrides": [], "src": "522:8:24" }, "parameters": { "id": 4842, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4841, "mutability": "mutable", "name": "tokenId", "nameLocation": "493:7:24", "nodeType": "VariableDeclaration", "scope": 4900, "src": "485:15:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4840, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "485:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "484:17:24" }, "returnParameters": { "id": 4846, "nodeType": "ParameterList", 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"typeIdentifier": "t_stringliteral_7521de1f20ce4d7bb86b61090bad73a87315a1f4baff36cc352901c7777280c4", "typeString": "literal_string \"ERC721URIStorage: URI set of nonexistent token\"" }, "value": "ERC721URIStorage: URI set of nonexistent token" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_7521de1f20ce4d7bb86b61090bad73a87315a1f4baff36cc352901c7777280c4", "typeString": "literal_string \"ERC721URIStorage: URI set of nonexistent token\"" } ], "id": 4908, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "1368:7:24", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4913, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1368:75:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4914, "nodeType": "ExpressionStatement", "src": "1368:75:24" }, { "expression": { "id": 4919, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 4915, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4838, "src": "1453:10:24", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 4917, "indexExpression": { "id": 4916, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4903, "src": "1464:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, 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"1708:200:24", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" } ], "scope": 4954, "src": "233:1677:24", "usedErrors": [] } ], "src": "113:1798:24" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol", "exportedSymbols": { "Address": [ 5275 ], "Context": [ 5297 ], "ERC165": [ 6252 ], "ERC721": [ 4661 ], "ERC721URIStorage": [ 4953 ], "IERC165": [ 6264 ], "IERC721": [ 4777 ], "IERC721Metadata": [ 4980 ], "IERC721Receiver": [ 4795 ], "Strings": [ 5574 ] }, "id": 4954, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 4827, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "113:23:24" }, { "absolutePath": "@openzeppelin/contracts/token/ERC721/ERC721.sol", "file": "../ERC721.sol", "id": 4828, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 4954, "sourceUnit": 4662, "src": "138:23:24", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 4830, "name": "ERC721", "nodeType": "IdentifierPath", "referencedDeclaration": 4661, "src": "271:6:24" }, "id": 4831, "nodeType": "InheritanceSpecifier", "src": "271:6:24" } ], "canonicalName": "ERC721URIStorage", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 4829, "nodeType": "StructuredDocumentation", "src": "163:69:24", "text": " @dev ERC721 token with storage based token URI management." }, "fullyImplemented": false, "id": 4953, "linearizedBaseContracts": [ 4953, 4661, 4980, 4777, 6252, 6264, 5297 ], "name": "ERC721URIStorage", "nameLocation": "251:16:24", "nodeType": "ContractDefinition", "nodes": [ { "id": 4834, "libraryName": { "id": 4832, "name": "Strings", "nodeType": "IdentifierPath", "referencedDeclaration": 5574, "src": "290:7:24" }, "nodeType": "UsingForDirective", "src": "284:26:24", "typeName": { "id": 4833, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "302:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "constant": false, "id": 4838, "mutability": "mutable", "name": "_tokenURIs", "nameLocation": "390:10:24", "nodeType": "VariableDeclaration", "scope": 4953, "src": "355:45:24", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string)" }, "typeName": { "id": 4837, "keyType": { "id": 4835, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "363:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Mapping", "src": "355:26:24", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string)" }, "valueType": { "id": 4836, "name": "string", "nodeType": "ElementaryTypeName", "src": "374:6:24", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } } }, "visibility": "private" }, { "baseFunctions": [ 4003 ], "body": { "id": 4899, "nodeType": "Block", "src": "555:575:24", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "id": 4849, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4841, "src": "581:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 4848, "name": "_exists", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4234, "src": "573:7:24", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint256_$returns$_t_bool_$", "typeString": "function (uint256) view returns (bool)" } }, "id": 4850, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "573:16:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "45524337323155524953746f726167653a2055524920717565727920666f72206e6f6e6578697374656e7420746f6b656e", "id": 4851, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "591:51:24", "typeDescriptions": { "typeIdentifier": "t_stringliteral_8e9ed1638ba7e2d59e03d0957c9339381732ac84d73f65c86c45db1467eafa2a", "typeString": "literal_string \"ERC721URIStorage: URI query for nonexistent token\"" }, "value": "ERC721URIStorage: URI query for nonexistent token" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_8e9ed1638ba7e2d59e03d0957c9339381732ac84d73f65c86c45db1467eafa2a", "typeString": "literal_string \"ERC721URIStorage: URI query for nonexistent token\"" } ], "id": 4847, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "565:7:24", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4852, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "565:78:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4853, "nodeType": "ExpressionStatement", "src": "565:78:24" }, { "assignments": [ 4855 ], "declarations": [ { "constant": false, "id": 4855, "mutability": "mutable", "name": "_tokenURI", "nameLocation": "668:9:24", "nodeType": "VariableDeclaration", "scope": 4899, "src": "654:23:24", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 4854, "name": "string", "nodeType": "ElementaryTypeName", "src": "654:6:24", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "id": 4859, "initialValue": { "baseExpression": { "id": 4856, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4838, "src": "680:10:24", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 4858, "indexExpression": { "id": 4857, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4841, "src": "691:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "680:19:24", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "654:45:24" }, { "assignments": [ 4861 ], "declarations": [ { "constant": false, "id": 4861, "mutability": "mutable", "name": "base", "nameLocation": "723:4:24", "nodeType": "VariableDeclaration", "scope": 4899, "src": "709:18:24", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 4860, "name": "string", "nodeType": "ElementaryTypeName", "src": "709:6:24", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "id": 4864, "initialValue": { "arguments": [], "expression": { "argumentTypes": [], "id": 4862, "name": "_baseURI", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4012, "src": "730:8:24", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_string_memory_ptr_$", "typeString": "function () view returns (string memory)" } }, "id": 4863, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "730:10:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "nodeType": "VariableDeclarationStatement", "src": "709:31:24" }, { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4871, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "arguments": [ { "id": 4867, "name": "base", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4861, "src": "819:4:24", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } ], "id": 4866, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "813:5:24", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes_storage_ptr_$", "typeString": "type(bytes storage pointer)" }, "typeName": { "id": 4865, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "813:5:24", "typeDescriptions": {} } }, "id": 4868, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "813:11:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 4869, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "813:18:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 4870, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "835:1:24", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "813:23:24", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 4875, "nodeType": "IfStatement", "src": "809:70:24", "trueBody": { "id": 4874, "nodeType": "Block", "src": "838:41:24", "statements": [ { "expression": { "id": 4872, "name": "_tokenURI", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4855, "src": "859:9:24", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 4846, "id": 4873, "nodeType": "Return", "src": "852:16:24" } ] } }, { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4882, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "arguments": [ { "id": 4878, "name": "_tokenURI", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4855, "src": "987:9:24", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } ], "id": 4877, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "981:5:24", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes_storage_ptr_$", "typeString": "type(bytes storage pointer)" }, "typeName": { "id": 4876, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "981:5:24", "typeDescriptions": {} } }, "id": 4879, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "981:16:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 4880, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "981:23:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "hexValue": "30", "id": 4881, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1007:1:24", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "981:27:24", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 4893, "nodeType": "IfStatement", "src": "977:106:24", "trueBody": { "id": 4892, "nodeType": "Block", "src": "1010:73:24", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "id": 4887, "name": "base", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4861, "src": "1055:4:24", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, { "id": 4888, "name": "_tokenURI", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4855, "src": "1061:9:24", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" }, { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } ], "expression": { "id": 4885, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967295, "src": "1038:3:24", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 4886, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodePacked", "nodeType": "MemberAccess", "src": "1038:16:24", "typeDescriptions": { "typeIdentifier": "t_function_abiencodepacked_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 4889, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1038:33:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 4884, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1031:6:24", "typeDescriptions": { "typeIdentifier": "t_type$_t_string_storage_ptr_$", "typeString": "type(string storage pointer)" }, "typeName": { "id": 4883, "name": "string", "nodeType": "ElementaryTypeName", "src": "1031:6:24", "typeDescriptions": {} } }, "id": 4890, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1031:41:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 4846, "id": 4891, "nodeType": "Return", "src": "1024:48:24" } ] } }, { "expression": { "arguments": [ { "id": 4896, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4841, "src": "1115:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 4894, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967271, "src": "1100:5:24", "typeDescriptions": { "typeIdentifier": "t_type$_t_super$_ERC721URIStorage_$4953_$", "typeString": "type(contract super ERC721URIStorage)" } }, "id": 4895, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "tokenURI", "nodeType": "MemberAccess", "referencedDeclaration": 4003, "src": "1100:14:24", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint256_$returns$_t_string_memory_ptr_$", "typeString": "function (uint256) view returns (string memory)" } }, "id": 4897, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1100:23:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "functionReturnParameters": 4846, "id": 4898, "nodeType": "Return", "src": "1093:30:24" } ] }, "documentation": { "id": 4839, "nodeType": "StructuredDocumentation", "src": "407:55:24", "text": " @dev See {IERC721Metadata-tokenURI}." }, "functionSelector": "c87b56dd", "id": 4900, "implemented": true, "kind": "function", "modifiers": [], "name": "tokenURI", "nameLocation": "476:8:24", "nodeType": "FunctionDefinition", "overrides": { "id": 4843, "nodeType": "OverrideSpecifier", "overrides": [], "src": "522:8:24" }, "parameters": { "id": 4842, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4841, "mutability": "mutable", "name": "tokenId", "nameLocation": "493:7:24", "nodeType": "VariableDeclaration", "scope": 4900, "src": "485:15:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4840, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "485:7:24", "typeDescriptions": { "typeIdentifier": 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false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1394:48:24", "typeDescriptions": { "typeIdentifier": "t_stringliteral_7521de1f20ce4d7bb86b61090bad73a87315a1f4baff36cc352901c7777280c4", "typeString": "literal_string \"ERC721URIStorage: URI set of nonexistent token\"" }, "value": "ERC721URIStorage: URI set of nonexistent token" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_7521de1f20ce4d7bb86b61090bad73a87315a1f4baff36cc352901c7777280c4", "typeString": "literal_string \"ERC721URIStorage: URI set of nonexistent token\"" } ], "id": 4908, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "1368:7:24", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4913, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1368:75:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4914, "nodeType": "ExpressionStatement", "src": "1368:75:24" }, { "expression": { "id": 4919, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 4915, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4838, "src": "1453:10:24", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 4917, "indexExpression": { "id": 4916, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4903, "src": "1464:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1453:19:24", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 4918, "name": "_tokenURI", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4905, "src": "1475:9:24", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "src": "1453:31:24", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "id": 4920, "nodeType": "ExpressionStatement", "src": "1453:31:24" } ] }, "documentation": { "id": 4901, "nodeType": "StructuredDocumentation", "src": "1136:136:24", "text": " @dev Sets `_tokenURI` as the tokenURI of `tokenId`.\n Requirements:\n - `tokenId` must exist." }, "id": 4922, "implemented": true, "kind": "function", "modifiers": [], "name": "_setTokenURI", "nameLocation": "1286:12:24", "nodeType": "FunctionDefinition", "parameters": { "id": 4906, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4903, "mutability": "mutable", "name": "tokenId", "nameLocation": "1307:7:24", "nodeType": "VariableDeclaration", "scope": 4922, "src": "1299:15:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4902, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1299:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 4905, "mutability": "mutable", "name": "_tokenURI", "nameLocation": "1330:9:24", "nodeType": "VariableDeclaration", "scope": 4922, "src": "1316:23:24", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 4904, "name": "string", "nodeType": "ElementaryTypeName", "src": "1316:6:24", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "1298:42:24" }, "returnParameters": { "id": 4907, "nodeType": "ParameterList", "parameters": [], "src": "1358:0:24" }, "scope": 4953, "src": "1277:214:24", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "baseFunctions": [ 4445 ], "body": { "id": 4951, "nodeType": "Block", "src": "1766:142:24", "statements": [ { "expression": { "arguments": [ { "id": 4932, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4925, "src": "1788:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 4929, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967271, "src": "1776:5:24", "typeDescriptions": { "typeIdentifier": "t_type$_t_super$_ERC721URIStorage_$4953_$", "typeString": "type(contract super ERC721URIStorage)" } }, "id": 4931, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "_burn", "nodeType": "MemberAccess", "referencedDeclaration": 4445, "src": "1776:11:24", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint256_$returns$__$", "typeString": "function (uint256)" } }, "id": 4933, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1776:20:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4934, "nodeType": "ExpressionStatement", "src": "1776:20:24" }, { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4943, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "arguments": [ { "baseExpression": { "id": 4937, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4838, "src": "1817:10:24", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 4939, "indexExpression": { "id": 4938, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4925, "src": "1828:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1817:19:24", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } ], "id": 4936, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1811:5:24", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes_storage_ptr_$", "typeString": "type(bytes storage pointer)" }, "typeName": { "id": 4935, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1811:5:24", "typeDescriptions": {} } }, "id": 4940, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1811:26:24", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes storage pointer" } }, "id": 4941, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "1811:33:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 4942, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1848:1:24", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1811:38:24", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 4950, "nodeType": "IfStatement", "src": "1807:95:24", "trueBody": { "id": 4949, "nodeType": "Block", "src": "1851:51:24", "statements": [ { "expression": { "id": 4947, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "delete", "prefix": true, "src": "1865:26:24", "subExpression": { "baseExpression": { "id": 4944, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4838, "src": "1872:10:24", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 4946, "indexExpression": { "id": 4945, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4925, "src": "1883:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1872:19:24", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4948, "nodeType": "ExpressionStatement", "src": "1865:26:24" } ] } } ] }, "documentation": { "id": 4923, "nodeType": "StructuredDocumentation", "src": "1497:206:24", "text": " @dev Destroys `tokenId`.\n The approval is cleared when the token is burned.\n Requirements:\n - `tokenId` must exist.\n Emits a {Transfer} event." }, "id": 4952, "implemented": true, "kind": "function", "modifiers": [], "name": "_burn", "nameLocation": "1717:5:24", "nodeType": "FunctionDefinition", "overrides": { "id": 4927, "nodeType": "OverrideSpecifier", "overrides": [], "src": "1757:8:24" }, "parameters": { "id": 4926, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4925, "mutability": "mutable", "name": "tokenId", "nameLocation": "1731:7:24", "nodeType": "VariableDeclaration", "scope": 4952, "src": "1723:15:24", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4924, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1723:7:24", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1722:17:24" }, "returnParameters": { "id": 4928, "nodeType": "ParameterList", "parameters": [], "src": "1766:0:24" }, "scope": 4953, "src": "1708:200:24", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" } ], "scope": 4954, "src": "233:1677:24", "usedErrors": [] } ], "src": "113:1798:24" }, "compiler": { "name": "solc", "version": "0.8.11+commit.d7f03943.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.4", "updatedAt": "2022-03-06T23:47:11.051Z", "devdoc": { "details": "ERC721 token with storage based token URI management.", "kind": "dev", "methods": { "approve(address,uint256)": { "details": "See {IERC721-approve}." }, "balanceOf(address)": { "details": "See {IERC721-balanceOf}." }, "getApproved(uint256)": { "details": "See {IERC721-getApproved}." }, "isApprovedForAll(address,address)": { "details": "See {IERC721-isApprovedForAll}." }, "name()": { "details": "See {IERC721Metadata-name}." }, "ownerOf(uint256)": { "details": "See {IERC721-ownerOf}." }, "safeTransferFrom(address,address,uint256)": { "details": "See {IERC721-safeTransferFrom}." }, "safeTransferFrom(address,address,uint256,bytes)": { "details": "See {IERC721-safeTransferFrom}." }, "setApprovalForAll(address,bool)": { "details": "See {IERC721-setApprovalForAll}." }, "supportsInterface(bytes4)": { "details": "See {IERC165-supportsInterface}." }, "symbol()": { "details": "See {IERC721Metadata-symbol}." }, "tokenURI(uint256)": { "details": "See {IERC721Metadata-tokenURI}." }, "transferFrom(address,address,uint256)": { "details": "See {IERC721-transferFrom}." } }, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }