{ "contractName": "ERC721Burnable", "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" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "burn", "outputs": [], "stateMutability": "nonpayable", "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\":\"burn\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"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 that can be irreversibly burned (destroyed).\",\"kind\":\"dev\",\"methods\":{\"approve(address,uint256)\":{\"details\":\"See {IERC721-approve}.\"},\"balanceOf(address)\":{\"details\":\"See {IERC721-balanceOf}.\"},\"burn(uint256)\":{\"details\":\"Burns `tokenId`. See {ERC721-_burn}. Requirements: - The caller must own `tokenId` or be an approved operator.\"},\"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}.\"}},\"title\":\"ERC721 Burnable Token\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol\":\"ERC721Burnable\"},\"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/ERC721Burnable.sol\":{\"keccak256\":\"0x1f16f9737853b988865ab819d1ebf8b5009defe981c75bc9079e0f40ed2a2e57\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://05e50f827969ca93b0d7bad1e022aa3147c8f390e9f91bb814752e8fbbbe621c\",\"dweb:/ipfs/QmdR2fJ2a3HM7FyC9pGD4JeKF9z6bxqU9FbhMyQfH1sDJH\"]},\"@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/ERC721Burnable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../ERC721.sol\";\nimport \"../../../utils/Context.sol\";\n\n/**\n * @title ERC721 Burnable Token\n * @dev ERC721 Token that can be irreversibly burned (destroyed).\n */\nabstract contract ERC721Burnable is Context, ERC721 {\n /**\n * @dev Burns `tokenId`. See {ERC721-_burn}.\n *\n * Requirements:\n *\n * - The caller must own `tokenId` or be an approved operator.\n */\n function burn(uint256 tokenId) public virtual {\n //solhint-disable-next-line max-line-length\n require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721Burnable: caller is not owner nor approved\");\n _burn(tokenId);\n }\n}\n", "sourcePath": "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol", "ast": { "absolutePath": "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol", "exportedSymbols": { "Address": [ 5275 ], "Context": [ 5297 ], "ERC165": [ 6252 ], "ERC721": [ 4661 ], "ERC721Burnable": [ 4825 ], "IERC165": [ 6264 ], "IERC721": [ 4777 ], "IERC721Metadata": [ 4980 ], "IERC721Receiver": [ 4795 ], "Strings": [ 5574 ] }, "id": 4826, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 4797, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "111:23:23" }, { "absolutePath": "@openzeppelin/contracts/token/ERC721/ERC721.sol", "file": "../ERC721.sol", "id": 4798, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 4826, "sourceUnit": 4662, "src": "136:23:23", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/Context.sol", "file": "../../../utils/Context.sol", "id": 4799, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 4826, "sourceUnit": 5298, "src": "160:36:23", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 4801, "name": "Context", "nodeType": "IdentifierPath", "referencedDeclaration": 5297, "src": "340:7:23" }, "id": 4802, "nodeType": "InheritanceSpecifier", "src": "340:7:23" }, { "baseName": { "id": 4803, "name": "ERC721", "nodeType": "IdentifierPath", "referencedDeclaration": 4661, "src": "349:6:23" }, "id": 4804, "nodeType": "InheritanceSpecifier", "src": "349:6:23" } ], "canonicalName": "ERC721Burnable", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 4800, "nodeType": "StructuredDocumentation", "src": "198:105:23", "text": " @title ERC721 Burnable Token\n @dev ERC721 Token that can be irreversibly burned (destroyed)." }, "fullyImplemented": false, "id": 4825, "linearizedBaseContracts": [ 4825, 4661, 4980, 4777, 6252, 6264, 5297 ], "name": "ERC721Burnable", "nameLocation": "322:14:23", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 4823, "nodeType": "Block", "src": "575:195:23", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 4812, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5287, "src": "664:10:23", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 4813, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "664:12:23", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 4814, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4807, "src": "678:7:23", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 4811, "name": "_isApprovedOrOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4275, "src": "645:18:23", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) view returns (bool)" } }, "id": 4815, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "645:41:23", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4552433732314275726e61626c653a2063616c6c6572206973206e6f74206f776e6572206e6f7220617070726f766564", "id": 4816, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "688:50:23", "typeDescriptions": { "typeIdentifier": "t_stringliteral_ee6b7e810d7b317242d4688e6943ff4dd7897bb01d903b1a666812481b12a4f1", "typeString": "literal_string \"ERC721Burnable: caller is not owner nor approved\"" }, "value": "ERC721Burnable: caller is not owner nor approved" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_ee6b7e810d7b317242d4688e6943ff4dd7897bb01d903b1a666812481b12a4f1", "typeString": "literal_string \"ERC721Burnable: caller is not owner nor approved\"" } ], "id": 4810, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "637:7:23", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4817, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "637:102:23", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4818, "nodeType": "ExpressionStatement", "src": "637:102:23" }, { "expression": { "arguments": [ { "id": 4820, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4807, "src": "755:7:23", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 4819, "name": "_burn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4445, "src": "749:5:23", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint256_$returns$__$", "typeString": "function (uint256)" } }, "id": 4821, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "749:14:23", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4822, "nodeType": "ExpressionStatement", "src": "749:14:23" } ] }, "documentation": { "id": 4805, "nodeType": "StructuredDocumentation", "src": "362:162:23", "text": " @dev Burns `tokenId`. See {ERC721-_burn}.\n Requirements:\n - The caller must own `tokenId` or be an approved operator." }, "functionSelector": "42966c68", "id": 4824, "implemented": true, "kind": "function", "modifiers": [], "name": "burn", "nameLocation": "538:4:23", "nodeType": "FunctionDefinition", "parameters": { "id": 4808, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4807, "mutability": "mutable", "name": "tokenId", "nameLocation": "551:7:23", "nodeType": "VariableDeclaration", "scope": 4824, "src": "543:15:23", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4806, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "543:7:23", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "542:17:23" }, "returnParameters": { "id": 4809, "nodeType": "ParameterList", "parameters": [], "src": "575:0:23" }, "scope": 4825, "src": "529:241:23", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 4826, "src": "304:468:23", "usedErrors": [] } ], "src": "111:662:23" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol", "exportedSymbols": { "Address": [ 5275 ], "Context": [ 5297 ], "ERC165": [ 6252 ], "ERC721": [ 4661 ], "ERC721Burnable": [ 4825 ], "IERC165": [ 6264 ], "IERC721": [ 4777 ], "IERC721Metadata": [ 4980 ], "IERC721Receiver": [ 4795 ], "Strings": [ 5574 ] }, "id": 4826, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 4797, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "111:23:23" }, { "absolutePath": "@openzeppelin/contracts/token/ERC721/ERC721.sol", "file": "../ERC721.sol", "id": 4798, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 4826, "sourceUnit": 4662, "src": "136:23:23", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/Context.sol", "file": "../../../utils/Context.sol", "id": 4799, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 4826, "sourceUnit": 5298, "src": "160:36:23", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 4801, "name": "Context", "nodeType": "IdentifierPath", "referencedDeclaration": 5297, "src": "340:7:23" }, "id": 4802, "nodeType": "InheritanceSpecifier", "src": "340:7:23" }, { "baseName": { "id": 4803, "name": "ERC721", "nodeType": "IdentifierPath", "referencedDeclaration": 4661, "src": "349:6:23" }, "id": 4804, "nodeType": "InheritanceSpecifier", "src": "349:6:23" } ], "canonicalName": "ERC721Burnable", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 4800, "nodeType": "StructuredDocumentation", "src": "198:105:23", "text": " @title ERC721 Burnable Token\n @dev ERC721 Token that can be irreversibly burned (destroyed)." }, "fullyImplemented": false, "id": 4825, "linearizedBaseContracts": [ 4825, 4661, 4980, 4777, 6252, 6264, 5297 ], "name": "ERC721Burnable", "nameLocation": "322:14:23", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 4823, "nodeType": "Block", "src": "575:195:23", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 4812, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5287, "src": "664:10:23", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 4813, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "664:12:23", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 4814, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4807, "src": "678:7:23", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 4811, "name": "_isApprovedOrOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4275, "src": "645:18:23", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) view returns (bool)" } }, "id": 4815, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "645:41:23", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4552433732314275726e61626c653a2063616c6c6572206973206e6f74206f776e6572206e6f7220617070726f766564", "id": 4816, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "688:50:23", "typeDescriptions": { "typeIdentifier": "t_stringliteral_ee6b7e810d7b317242d4688e6943ff4dd7897bb01d903b1a666812481b12a4f1", "typeString": "literal_string \"ERC721Burnable: caller is not owner nor approved\"" }, "value": "ERC721Burnable: caller is not owner nor approved" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_ee6b7e810d7b317242d4688e6943ff4dd7897bb01d903b1a666812481b12a4f1", "typeString": "literal_string \"ERC721Burnable: caller is not owner nor approved\"" } ], "id": 4810, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "637:7:23", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4817, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "637:102:23", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4818, "nodeType": "ExpressionStatement", "src": "637:102:23" }, { "expression": { "arguments": [ { "id": 4820, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4807, "src": "755:7:23", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 4819, "name": "_burn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4445, "src": "749:5:23", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint256_$returns$__$", "typeString": "function (uint256)" } }, "id": 4821, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "749:14:23", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4822, "nodeType": "ExpressionStatement", "src": "749:14:23" } ] }, "documentation": { "id": 4805, "nodeType": "StructuredDocumentation", "src": "362:162:23", "text": " @dev Burns `tokenId`. See {ERC721-_burn}.\n Requirements:\n - The caller must own `tokenId` or be an approved operator." }, "functionSelector": "42966c68", "id": 4824, "implemented": true, "kind": "function", "modifiers": [], "name": "burn", "nameLocation": "538:4:23", "nodeType": "FunctionDefinition", "parameters": { "id": 4808, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4807, "mutability": "mutable", "name": "tokenId", "nameLocation": "551:7:23", "nodeType": "VariableDeclaration", "scope": 4824, "src": "543:15:23", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4806, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "543:7:23", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "542:17:23" }, "returnParameters": { "id": 4809, "nodeType": "ParameterList", "parameters": [], "src": "575:0:23" }, "scope": 4825, "src": "529:241:23", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 4826, "src": "304:468:23", "usedErrors": [] } ], "src": "111:662:23" }, "compiler": { "name": "solc", "version": "0.8.11+commit.d7f03943.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.4", "updatedAt": "2022-03-06T23:47:11.049Z", "devdoc": { "details": "ERC721 Token that can be irreversibly burned (destroyed).", "kind": "dev", "methods": { "approve(address,uint256)": { "details": "See {IERC721-approve}." }, "balanceOf(address)": { "details": "See {IERC721-balanceOf}." }, "burn(uint256)": { "details": "Burns `tokenId`. See {ERC721-_burn}. Requirements: - The caller must own `tokenId` or be an approved operator." }, "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}." } }, "title": "ERC721 Burnable Token", "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }