{ "contractName": "IERC721", "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" }, { "constant": true, "inputs": [ { "internalType": "bytes4", "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "balance", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "ownerOf", "outputs": [ { "internalType": "address", "name": "owner", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "approve", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "getApproved", "outputs": [ { "internalType": "address", "name": "operator", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "operator", "type": "address" }, { "internalType": "bool", "name": "_approved", "type": "bool" } ], "name": "setApprovalForAll", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "operator", "type": "address" } ], "name": "isApprovedForAll", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "transferFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "safeTransferFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "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": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"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\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"balance\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getApproved\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"isApprovedForAll\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ownerOf\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"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\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"_approved\",\"type\":\"bool\"}],\"name\":\"setApprovalForAll\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md\",\"methods\":{\"supportsInterface(bytes4)\":{\"details\":\"Interface identification is specified in ERC-165. This function uses less than 30,000 gas.\",\"params\":{\"interfaceId\":\"The interface identifier, as specified in ERC-165\"}}},\"title\":\"ERC721 Non-Fungible Token Standard basic interface\"},\"userdoc\":{\"methods\":{\"supportsInterface(bytes4)\":{\"notice\":\"Query if a contract implements an interface\"}}}},\"settings\":{\"compilationTarget\":{\"openzeppelin-solidity/contracts/token/ERC721/IERC721.sol\":\"IERC721\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"openzeppelin-solidity/contracts/introspection/IERC165.sol\":{\"keccak256\":\"0xbbb6159006ae3639daea09f7d63987816d6cf3a99f52af919363e025d3abf3b8\",\"urls\":[\"bzz-raw://35e7d742ee71461779df12a0ab1ad4701144d98eb6401182838c8daf40b008dd\",\"dweb:/ipfs/QmY4t7pxcX2cfk6VsGJWZLBgoKMpRctY8X1HPxykLjptSi\"]},\"openzeppelin-solidity/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0x1f059ee943273719130df645fa38069b792988e8b732585528d5b1265f5aa046\",\"urls\":[\"bzz-raw://31e4d99091a83a42a6ea14d74ceae2ec3ffb2905c7ee07358875af72ea188333\",\"dweb:/ipfs/Qmf7nHc6BwhbyawapCVRZHzhBHNoA8ftpQWmGSyToVKVzN\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.5.0;\n\nimport \"../../introspection/IERC165.sol\";\n\n/**\n * @title ERC721 Non-Fungible Token Standard basic interface\n * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md\n */\ncontract IERC721 is IERC165 {\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n function balanceOf(address owner) public view returns (uint256 balance);\n function ownerOf(uint256 tokenId) public view returns (address owner);\n\n function approve(address to, uint256 tokenId) public;\n function getApproved(uint256 tokenId) public view returns (address operator);\n\n function setApprovalForAll(address operator, bool _approved) public;\n function isApprovedForAll(address owner, address operator) public view returns (bool);\n\n function transferFrom(address from, address to, uint256 tokenId) public;\n function safeTransferFrom(address from, address to, uint256 tokenId) public;\n\n function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public;\n}\n", "sourcePath": "openzeppelin-solidity/contracts/token/ERC721/IERC721.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/token/ERC721/IERC721.sol", "exportedSymbols": { "IERC721": [ 12960 ] }, "id": 12961, "nodeType": "SourceUnit", "nodes": [ { "id": 12859, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:53" }, { "absolutePath": "openzeppelin-solidity/contracts/introspection/IERC165.sol", "file": "../../introspection/IERC165.sol", "id": 12860, "nodeType": "ImportDirective", "scope": 12961, "sourceUnit": 12062, "src": "25:41:53", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 12861, "name": "IERC165", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 12061, "src": "230:7:53", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC165_$12061", "typeString": "contract IERC165" } }, "id": 12862, "nodeType": "InheritanceSpecifier", "src": "230:7:53" } ], "contractDependencies": [ 12061 ], "contractKind": "contract", "documentation": "@title ERC721 Non-Fungible Token Standard basic interface\n@dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md", "fullyImplemented": false, "id": 12960, "linearizedBaseContracts": [ 12960, 12061 ], "name": "IERC721", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": null, "id": 12870, "name": "Transfer", "nodeType": "EventDefinition", "parameters": { "id": 12869, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12864, "indexed": true, "name": "from", "nodeType": "VariableDeclaration", "scope": 12870, "src": "259:20:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12863, "name": "address", "nodeType": "ElementaryTypeName", "src": "259:7:53", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12866, "indexed": true, "name": "to", "nodeType": "VariableDeclaration", "scope": 12870, "src": "281:18:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12865, "name": "address", "nodeType": "ElementaryTypeName", "src": "281:7:53", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12868, "indexed": true, "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 12870, "src": "301:23:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12867, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "301:7:53", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "258:67:53" }, "src": "244:82:53" }, { "anonymous": false, "documentation": null, "id": 12878, "name": "Approval", "nodeType": "EventDefinition", "parameters": { "id": 12877, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12872, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 12878, "src": "346:21:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12871, "name": "address", "nodeType": "ElementaryTypeName", "src": "346:7:53", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12874, "indexed": true, "name": "approved", "nodeType": "VariableDeclaration", "scope": 12878, "src": "369:24:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12873, "name": "address", "nodeType": "ElementaryTypeName", "src": "369:7:53", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12876, "indexed": true, "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 12878, "src": "395:23:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12875, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "395:7:53", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "345:74:53" }, "src": "331:89:53" }, { "anonymous": false, "documentation": null, "id": 12886, "name": "ApprovalForAll", "nodeType": "EventDefinition", "parameters": { "id": 12885, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12880, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 12886, "src": "446:21:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12879, "name": "address", "nodeType": "ElementaryTypeName", "src": "446:7:53", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12882, "indexed": true, "name": "operator", "nodeType": "VariableDeclaration", "scope": 12886, "src": "469:24:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12881, "name": "address", "nodeType": "ElementaryTypeName", "src": "469:7:53", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12884, "indexed": false, "name": "approved", "nodeType": "VariableDeclaration", "scope": 12886, "src": "495:13:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 12883, "name": "bool", "nodeType": "ElementaryTypeName", "src": "495:4:53", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "445:64:53" }, "src": "425:85:53" }, { "body": null, "documentation": null, "id": 12893, "implemented": false, "kind": "function", "modifiers": [], "name": "balanceOf", "nodeType": "FunctionDefinition", "parameters": { "id": 12889, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12888, "name": "owner", "nodeType": "VariableDeclaration", "scope": 12893, "src": "535:13:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12887, "name": "address", "nodeType": "ElementaryTypeName", "src": "535:7:53", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "534:15:53" }, "returnParameters": { "id": 12892, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12891, "name": "balance", "nodeType": "VariableDeclaration", "scope": 12893, "src": "571:15:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12890, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "571:7:53", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "570:17:53" }, "scope": 12960, "src": "516:72:53", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": null, "id": 12900, "implemented": false, "kind": "function", "modifiers": [], "name": "ownerOf", "nodeType": "FunctionDefinition", "parameters": { "id": 12896, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12895, "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 12900, "src": "610:15:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12894, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "610:7:53", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "609:17:53" }, "returnParameters": { "id": 12899, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12898, "name": "owner", "nodeType": "VariableDeclaration", "scope": 12900, "src": "648:13:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12897, "name": "address", "nodeType": "ElementaryTypeName", "src": "648:7:53", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "647:15:53" }, "scope": 12960, "src": "593:70:53", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": null, "id": 12907, "implemented": false, "kind": "function", "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 12905, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12902, "name": "to", "nodeType": "VariableDeclaration", "scope": 12907, "src": "686:10:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12901, "name": "address", "nodeType": "ElementaryTypeName", "src": "686:7:53", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12904, "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 12907, "src": "698:15:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12903, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "698:7:53", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "685:29:53" }, "returnParameters": { "id": 12906, "nodeType": "ParameterList", "parameters": [], "src": "721:0:53" }, "scope": 12960, "src": "669:53:53", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": null, "documentation": null, "id": 12914, "implemented": false, "kind": "function", "modifiers": [], "name": "getApproved", "nodeType": "FunctionDefinition", "parameters": { "id": 12910, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12909, "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 12914, "src": "748:15:53", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12908, "name": "uint256", "nodeType": "ElementaryTypeName", "src": 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false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 12955, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1203:5:53", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "1159:62:53" }, "returnParameters": { "id": 12958, "nodeType": "ParameterList", "parameters": [], "src": "1228:0:53" }, "scope": 12960, "src": "1134:95:53", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" } ], "scope": 12961, "src": "210:1021:53" } ], "src": "0:1232:53" }, "compiler": { "name": "solc", "version": "0.5.16+commit.9c3226ce.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.2.0", "updatedAt": "2020-06-17T12:57:45.011Z", "devdoc": { "details": "see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md", "methods": { "supportsInterface(bytes4)": { "details": "Interface identification is specified in ERC-165. This function uses less than 30,000 gas.", "params": { "interfaceId": "The interface identifier, as specified in ERC-165" } } }, "title": "ERC721 Non-Fungible Token Standard basic interface" }, "userdoc": { "methods": { "supportsInterface(bytes4)": { "notice": "Query if a contract implements an interface" } } } }