{ "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\":\"0.8.0+commit.c7dfd78e\"},\"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\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/token/ERC721/ERC721.sol\":{\"keccak256\":\"0x7d2b8ba4b256bfcac347991b75242f9bc37f499c5236af50cf09d0b35943dc0c\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d8eeaf6afe00229af4c232ca058bb08b7a24cc3886f0b387159ac49ffd8b5312\",\"dweb:/ipfs/QmdnVKmDDWDvdRr6vtrxy3G6WafqA2TAhUZv1UFMsm4B4r\"]},\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0xf101e8720213560fab41104d53b3cc7ba0456ef3a98455aa7f022391783144a0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://3e7820bcf567e6892d937c3cb10db263a4042e446799bca602535868d822384e\",\"dweb:/ipfs/QmPG2oeDjKncqsEeyYGjAN7CwAJmMgHterXGGnpzhha4z7\"]},\"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol\":{\"keccak256\":\"0xd9517254724276e2e8de3769183c1f738f445f0095c26fd9b86d3c6687e887b9\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://0e604bcdcd5e5b2fb299ad09769cde6db19d5aa1929d1b5e939234a0f10d7eb8\",\"dweb:/ipfs/Qmd8hXE3GZfBHuWx3RNiYgFW2ci7KvHtib8DiwzJ2dgo9V\"]},\"@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol\":{\"keccak256\":\"0x188d038a65a945481cc13fe30db334472dfbed61f7959d4478d05feb6303b1ea\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7aec4efa22389811ffa393463569410bbca1ecaa551bc94d69020bc9567e9277\",\"dweb:/ipfs/QmPwk5uVSHPQkepebrZSQ9xqgXdPABKqHwJZ2HkzNByLRE\"]},\"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\":{\"keccak256\":\"0xd32fb7f530a914b1083d10a6bed3a586f2451952fec04fe542bcc670a82f7ba5\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://af63ab940a34687c45f0ad84960b048fc5f49330c92ccb422db7822a444733b9\",\"dweb:/ipfs/QmUShaQEu8HS1GjDnsMJQ8jkZEBrecn6NuDZ3pfjY1gVck\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0x3336baae5cf23e94274d75336e2d412193be508504aee185e61dc7d58cd05c8a\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://39a05eec7083dfa0cc7e0cbfe6cd1bd085a340af1ede93fdff3ad047c5fb3d8e\",\"dweb:/ipfs/QmVApz5fCUq2QC8gKTsNNdCmcedJ3ETHp68zR5N3WUKS4r\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0x90565a39ae45c80f0468dc96c7b20d0afc3055f344c8203a0c9258239f350b9f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://26e8b38a7ac8e7b4463af00cf7fff1bf48ae9875765bf4f7751e100124d0bc8c\",\"dweb:/ipfs/QmWcsmkVr24xmmjfnBQZoemFniXjj3vwT78Cz6uqZW1Hux\"]},\"@openzeppelin/contracts/utils/Strings.sol\":{\"keccak256\":\"0x391d3ba97ab6856a16b225d6ee29617ad15ff00db70f3b4df1ab5ea33aa47c9d\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d636ba90bbbeed04a1ea7fe9ec2466757e30fd38ba2ca173636dbf69a518735e\",\"dweb:/ipfs/QmQwCB2BHnEuYR22PYt9HkpbgeFDhq4rHmaYqAZbX3WRC7\"]},\"@openzeppelin/contracts/utils/introspection/ERC165.sol\":{\"keccak256\":\"0x5718c5df9bd67ac68a796961df938821bb5dc0cd4c6118d77e9145afb187409b\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d10e1d9b26042424789246603906ad06143bf9a928f4e99de8b5e3bdc662f549\",\"dweb:/ipfs/Qmejonoaj5MLekPus229rJQHcC6E9dz2xorjHJR84fMfmn\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0xa28007762d9da9db878dd421960c8cb9a10471f47ab5c1b3309bfe48e9e79ff4\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://796ab6e88af7bf0e78def0f059310c903af6a312b565344e0ff524a0f26e81c6\",\"dweb:/ipfs/QmcsVgLgzWdor3UnAztUkXKNGcysm1MPneWksF72AvnwBx\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\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": 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1221, 1337, 1510, 1829, 2130, 2142 ], "contractKind": "contract", "documentation": { "id": 1359, "nodeType": "StructuredDocumentation", "src": "83:69:6", "text": " @dev ERC721 token with storage based token URI management." }, "fullyImplemented": false, "id": 1483, "linearizedBaseContracts": [ 1483, 1221, 1510, 1337, 2130, 2142, 1829 ], "name": "ERC721URIStorage", "nodeType": "ContractDefinition", "nodes": [ { "id": 1364, "libraryName": { "id": 1362, "name": "Strings", "nodeType": "IdentifierPath", "referencedDeclaration": 2106, "src": "210:7:6" }, "nodeType": "UsingForDirective", "src": "204:26:6", "typeName": { "id": 1363, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "222:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "constant": false, "id": 1368, "mutability": "mutable", "name": "_tokenURIs", "nodeType": "VariableDeclaration", "scope": 1483, "src": "275:45:6", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string)" }, "typeName": { "id": 1367, "keyType": { "id": 1365, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "283:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Mapping", "src": "275:26:6", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string)" }, "valueType": { "id": 1366, "name": "string", "nodeType": "ElementaryTypeName", "src": "294:6:6", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } } }, "visibility": "private" }, { "baseFunctions": [ 613 ], "body": { "id": 1429, "nodeType": "Block", "src": "475:575:6", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "id": 1379, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 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"nodeType": "Literal", "src": "511:51:6", "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": 1377, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "485:7:6", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1382, "isConstant": false, "isLValue": false, "isPure": 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"ERC721URIStorage", "nodeType": "ContractDefinition", "nodes": [ { "id": 1364, "libraryName": { "id": 1362, "name": "Strings", "nodeType": "IdentifierPath", "referencedDeclaration": 2106, "src": "210:7:6" }, "nodeType": "UsingForDirective", "src": "204:26:6", "typeName": { "id": 1363, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "222:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "constant": false, "id": 1368, "mutability": "mutable", "name": "_tokenURIs", "nodeType": "VariableDeclaration", "scope": 1483, "src": "275:45:6", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string)" }, "typeName": { "id": 1367, "keyType": { "id": 1365, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "283:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Mapping", 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"typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "600:19:6", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "574:45:6" }, { "assignments": [ 1391 ], "declarations": [ { "constant": false, "id": 1391, "mutability": "mutable", "name": "base", "nodeType": "VariableDeclaration", "scope": 1429, "src": "629:18:6", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 1390, "name": "string", "nodeType": "ElementaryTypeName", "src": "629:6:6", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "id": 1394, "initialValue": { "arguments": [], "expression": { 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"typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1443, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1288:75:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1444, "nodeType": "ExpressionStatement", "src": "1288:75:6" }, { "expression": { "id": 1449, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 1445, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1368, "src": "1373:10:6", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 1447, "indexExpression": { "id": 1446, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1433, "src": "1384:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1373:19:6", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 1448, "name": "_tokenURI", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1435, "src": "1395:9:6", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "src": "1373:31:6", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "id": 1450, "nodeType": "ExpressionStatement", "src": "1373:31:6" } ] }, "documentation": { "id": 1431, "nodeType": "StructuredDocumentation", "src": "1056:136:6", "text": " @dev Sets `_tokenURI` as the tokenURI of `tokenId`.\n Requirements:\n - `tokenId` must exist." }, "id": 1452, "implemented": true, "kind": "function", "modifiers": [], "name": "_setTokenURI", "nodeType": "FunctionDefinition", "parameters": { "id": 1436, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1433, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1452, "src": "1219:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1432, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1219:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 1435, "mutability": "mutable", "name": "_tokenURI", "nodeType": "VariableDeclaration", "scope": 1452, "src": "1236:23:6", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 1434, "name": "string", "nodeType": "ElementaryTypeName", "src": "1236:6:6", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "1218:42:6" }, "returnParameters": { "id": 1437, "nodeType": "ParameterList", "parameters": [], "src": "1278:0:6" }, "scope": 1483, "src": "1197:214:6", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "baseFunctions": [ 1054 ], "body": { "id": 1481, "nodeType": "Block", "src": "1686:142:6", "statements": [ { "expression": { "arguments": [ { "id": 1462, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1455, "src": "1708:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 1459, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967271, "src": "1696:5:6", "typeDescriptions": { "typeIdentifier": "t_type$_t_super$_ERC721URIStorage_$1483_$", "typeString": "type(contract super ERC721URIStorage)" } }, "id": 1461, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "_burn", "nodeType": "MemberAccess", "referencedDeclaration": 1054, "src": "1696:11:6", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint256_$returns$__$", "typeString": "function (uint256)" } }, "id": 1463, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1696:20:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1464, "nodeType": "ExpressionStatement", "src": "1696:20:6" }, { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1473, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "arguments": [ { "baseExpression": { "id": 1467, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1368, "src": "1737:10:6", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 1469, "indexExpression": { "id": 1468, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1455, "src": "1748:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1737:19:6", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } ], "id": 1466, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1731:5:6", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes_storage_ptr_$", "typeString": "type(bytes storage pointer)" }, "typeName": { "id": 1465, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1731:5:6", "typeDescriptions": {} } }, "id": 1470, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1731:26:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes storage pointer" } }, "id": 1471, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "1731:33:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "hexValue": "30", "id": 1472, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1768:1:6", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1731:38:6", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 1480, "nodeType": "IfStatement", "src": "1727:95:6", "trueBody": { "id": 1479, "nodeType": "Block", "src": "1771:51:6", "statements": [ { "expression": { "id": 1477, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "delete", "prefix": true, "src": "1785:26:6", "subExpression": { "baseExpression": { "id": 1474, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1368, "src": "1792:10:6", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 1476, "indexExpression": { "id": 1475, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1455, "src": "1803:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1792:19:6", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1478, "nodeType": "ExpressionStatement", "src": "1785:26:6" } ] } } ] }, "documentation": { "id": 1453, "nodeType": "StructuredDocumentation", "src": "1417:206:6", "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": 1482, "implemented": true, "kind": "function", "modifiers": [], "name": "_burn", "nodeType": "FunctionDefinition", "overrides": { "id": 1457, "nodeType": "OverrideSpecifier", "overrides": [], "src": "1677:8:6" }, "parameters": { "id": 1456, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1455, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1482, "src": "1643:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1454, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1643:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1642:17:6" }, "returnParameters": { "id": 1458, "nodeType": "ParameterList", "parameters": [], "src": "1686:0:6" }, "scope": 1483, "src": "1628:200:6", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" } ], "scope": 1484, "src": "153:1677:6" } ], "src": "33:1798:6" }, "compiler": { "name": "solc", "version": "0.8.0+commit.c7dfd78e.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.3", "updatedAt": "2021-11-27T07:41:30.891Z", "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 } }