{ "contractName": "IERC721", "abi": [ { "constant": true, "inputs": [ { "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "from", "type": "address" }, { "indexed": true, "name": "to", "type": "address" }, { "indexed": true, "name": "tokenId", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "approved", "type": "address" }, { "indexed": true, "name": "tokenId", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "operator", "type": "address" }, { "indexed": false, "name": "approved", "type": "bool" } ], "name": "ApprovalForAll", "type": 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"name": "to", "type": "address" }, { "name": "tokenId", "type": "uint256" }, { "name": "data", "type": "bytes" } ], "name": "safeTransferFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "", "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.5.2;\n\nimport \"../../introspection/IERC165.sol\";\n\n/**\n * @title ERC721 Non-Fungible Token Standard basic interface\n * @dev see https://eips.ethereum.org/EIPS/eip-721\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": [ 1679 ] }, "id": 1680, "nodeType": "SourceUnit", "nodes": [ { "id": 1578, "literals": [ "solidity", "^", "0.5", ".2" ], "nodeType": "PragmaDirective", "src": "0:23:13" }, { "absolutePath": "openzeppelin-solidity/contracts/introspection/IERC165.sol", 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"storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1670, "name": "address", "nodeType": "ElementaryTypeName", "src": "1152:7:13", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1673, "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1678, "src": "1164:15:13", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1672, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1164:7:13", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1675, "name": "data", "nodeType": "VariableDeclaration", "scope": 1678, "src": "1181:17:13", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 1674, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1181:5:13", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "1137:62:13" }, "returnParameters": { "id": 1677, "nodeType": "ParameterList", "parameters": [], "src": "1206:0:13" }, "scope": 1679, "src": "1112:95:13", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" } ], "scope": 1680, "src": "188:1021:13" } ], "src": "0:1210:13" }, "compiler": { "name": "solc", "version": "0.5.2+commit.1df8f40c.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.0.16", "updatedAt": "2019-10-19T07:38:02.333Z", "devdoc": { "details": "see https://eips.ethereum.org/EIPS/eip-721", "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" } } } }