{ "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" }, { "inputs": [ { "internalType": "bytes4", "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "balance", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "ownerOf", "outputs": [ { "internalType": "address", "name": "owner", "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": "transferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "approve", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "getApproved", "outputs": [ { "internalType": "address", "name": "operator", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "operator", "type": "address" }, { "internalType": "bool", "name": "_approved", "type": "bool" } ], "name": "setApprovalForAll", "outputs": [], "stateMutability": "nonpayable", "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": [ { "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" } ], "metadata": "{\"compiler\":{\"version\":\"0.6.6+commit.6c089d02\"},\"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\":\"balance\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getApproved\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"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\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ownerOf\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"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\":[{\"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\":\"Required interface of an ERC721 compliant contract.\",\"methods\":{\"balanceOf(address)\":{\"details\":\"Returns the number of NFTs in ``owner``'s account.\"},\"ownerOf(uint256)\":{\"details\":\"Returns the owner of the NFT specified by `tokenId`.\"},\"safeTransferFrom(address,address,uint256)\":{\"details\":\"Transfers a specific NFT (`tokenId`) from one account (`from`) to another (`to`). * * Requirements: - `from`, `to` cannot be zero. - `tokenId` must be owned by `from`. - If the caller is not `from`, it must be have been allowed to move this NFT by either {approve} or {setApprovalForAll}.\"},\"supportsInterface(bytes4)\":{\"details\":\"Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] to learn more about how these ids are created. * This function call must use less than 30 000 gas.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"Transfers a specific NFT (`tokenId`) from one account (`from`) to another (`to`). * Requirements: - If the caller is not `from`, it must be approved to move this NFT by either {approve} or {setApprovalForAll}.\"}}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":\"IERC721\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/introspection/IERC165.sol\":{\"keccak256\":\"0x9175561c374ec1fc33045e5dfdde2057e63e00debf432875f9e1e3395d99c149\",\"urls\":[\"bzz-raw://b0167043c1938b56904deaa481a73041aa4a9e054c60db0b0dfbebfe7869c06a\",\"dweb:/ipfs/QmUoYjhymBr6WUpExKgRvKxXD5fcdpQEe1o9ResKZu6CC5\"]},\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0x734b5bedb78074a59bca6aff9e5a1801c9c7e9c5314daf32e14857161fb36932\",\"urls\":[\"bzz-raw://4574e71185f6693eb5cdf7a5126fba97caf0ec0366b08290dd361af44b3414d3\",\"dweb:/ipfs/QmTPBh1R3EU973H7h6D1kQ1XBA1oX2QdSHZACyytWUYKsn\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.6.2;\n\nimport \"../../introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface 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 /**\n * @dev Returns the number of NFTs in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the NFT specified by `tokenId`.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Transfers a specific NFT (`tokenId`) from one account (`from`) to\n * another (`to`).\n *\n *\n *\n * Requirements:\n * - `from`, `to` cannot be zero.\n * - `tokenId` must be owned by `from`.\n * - If the caller is not `from`, it must be have been allowed to move this\n * NFT by either {approve} or {setApprovalForAll}.\n */\n function safeTransferFrom(address from, address to, uint256 tokenId) external;\n /**\n * @dev Transfers a specific NFT (`tokenId`) from one account (`from`) to\n * another (`to`).\n *\n * Requirements:\n * - If the caller is not `from`, it must be approved to move this NFT by\n * either {approve} or {setApprovalForAll}.\n */\n function transferFrom(address from, address to, uint256 tokenId) external;\n function approve(address to, uint256 tokenId) external;\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n function setApprovalForAll(address operator, bool _approved) external;\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n\n function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;\n}\n", "sourcePath": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "ast": { "absolutePath": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "exportedSymbols": { "IERC721": [ 12259 ] }, "id": 12260, "nodeType": "SourceUnit", "nodes": [ { "id": 12153, "literals": [ "solidity", "^", "0.6", ".2" ], "nodeType": "PragmaDirective", "src": "0:23:72" }, { "absolutePath": "@openzeppelin/contracts/introspection/IERC165.sol", "file": "../../introspection/IERC165.sol", "id": 12154, "nodeType": "ImportDirective", "scope": 12260, "sourceUnit": 10930, "src": "25:41:72", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 12156, "name": "IERC165", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10929, "src": "157:7:72", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC165_$10929", "typeString": "contract IERC165" } }, "id": 12157, "nodeType": "InheritanceSpecifier", "src": "157:7:72" } ], "contractDependencies": [ 10929 ], "contractKind": "interface", "documentation": { "id": 12155, "nodeType": "StructuredDocumentation", "src": "68:67:72", "text": "@dev Required interface of an ERC721 compliant contract." }, "fullyImplemented": false, "id": 12259, "linearizedBaseContracts": [ 12259, 10929 ], "name": "IERC721", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": null, "id": 12165, "name": "Transfer", "nodeType": "EventDefinition", "parameters": { "id": 12164, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12159, "indexed": true, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12165, "src": "186:20:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12158, "name": "address", "nodeType": "ElementaryTypeName", "src": "186:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12161, "indexed": true, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12165, "src": "208:18:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12160, "name": "address", "nodeType": "ElementaryTypeName", "src": "208:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12163, "indexed": true, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12165, "src": "228:23:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12162, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "228:7:72", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "185:67:72" }, "src": "171:82:72" }, { "anonymous": false, "documentation": null, "id": 12173, "name": "Approval", "nodeType": "EventDefinition", "parameters": { "id": 12172, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12167, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12173, "src": "273:21:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12166, "name": "address", "nodeType": "ElementaryTypeName", "src": "273:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12169, "indexed": true, "mutability": "mutable", "name": "approved", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12173, "src": "296:24:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12168, "name": "address", "nodeType": "ElementaryTypeName", "src": "296:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12171, "indexed": true, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12173, "src": "322:23:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12170, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "322:7:72", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "272:74:72" }, "src": "258:89:72" }, { "anonymous": false, "documentation": null, "id": 12181, "name": "ApprovalForAll", "nodeType": "EventDefinition", "parameters": { "id": 12180, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12175, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12181, "src": "373:21:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12174, "name": "address", "nodeType": "ElementaryTypeName", "src": "373:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12177, "indexed": true, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12181, "src": "396:24:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12176, "name": "address", "nodeType": "ElementaryTypeName", "src": "396:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12179, "indexed": false, "mutability": "mutable", "name": "approved", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12181, "src": "422:13:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 12178, "name": "bool", "nodeType": "ElementaryTypeName", "src": "422:4:72", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "372:64:72" }, "src": "352:85:72" }, { "body": null, "documentation": { "id": 12182, "nodeType": "StructuredDocumentation", "src": "443:74:72", "text": "@dev Returns the number of NFTs in ``owner``'s account." }, "functionSelector": "70a08231", "id": 12189, "implemented": false, "kind": "function", "modifiers": [], "name": "balanceOf", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12185, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12184, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12189, "src": "541:13:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12183, "name": "address", "nodeType": "ElementaryTypeName", "src": "541:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "540:15:72" }, "returnParameters": { "id": 12188, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12187, "mutability": "mutable", "name": "balance", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12189, "src": "579:15:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12186, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "579:7:72", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "578:17:72" }, "scope": 12259, "src": "522:74:72", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "body": null, "documentation": { "id": 12190, "nodeType": "StructuredDocumentation", "src": "602:76:72", "text": "@dev Returns the owner of the NFT specified by `tokenId`." }, "functionSelector": "6352211e", "id": 12197, "implemented": false, "kind": "function", "modifiers": [], "name": "ownerOf", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12193, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12192, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12197, "src": "700:15:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12191, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "700:7:72", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "699:17:72" }, "returnParameters": { "id": 12196, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12195, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12197, "src": "740:13:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12194, "name": "address", "nodeType": "ElementaryTypeName", "src": "740:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "739:15:72" }, "scope": 12259, "src": "683:72:72", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "body": null, "documentation": { "id": 12198, "nodeType": "StructuredDocumentation", "src": "761:371:72", "text": "@dev Transfers a specific NFT (`tokenId`) from one account (`from`) to\nanother (`to`).\n *\n * Requirements:\n- `from`, `to` cannot be zero.\n- `tokenId` must be owned by `from`.\n- If the 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"typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "739:15:72" }, "scope": 12259, "src": "683:72:72", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "body": null, "documentation": { "id": 12198, "nodeType": "StructuredDocumentation", "src": "761:371:72", "text": "@dev Transfers a specific NFT (`tokenId`) from one account (`from`) to\nanother (`to`).\n *\n * Requirements:\n- `from`, `to` cannot be zero.\n- `tokenId` must be owned by `from`.\n- If the caller is not `from`, it must be have been allowed to move this\nNFT by either {approve} or {setApprovalForAll}." }, "functionSelector": "42842e0e", "id": 12207, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12205, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12200, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12207, "src": "1163:12:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12199, "name": "address", "nodeType": "ElementaryTypeName", "src": "1163:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12202, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12207, "src": "1177:10:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12201, "name": "address", "nodeType": "ElementaryTypeName", "src": "1177:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12204, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12207, "src": "1189:15:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12203, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1189:7:72", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1162:43:72" }, "returnParameters": { "id": 12206, "nodeType": "ParameterList", "parameters": [], "src": "1214:0:72" }, "scope": 12259, "src": "1137:78:72", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "body": null, "documentation": { "id": 12208, "nodeType": "StructuredDocumentation", "src": "1220:266:72", "text": "@dev Transfers a specific NFT (`tokenId`) from one account (`from`) to\nanother (`to`).\n * Requirements:\n- If the caller is not `from`, it must be approved to move this NFT by\neither {approve} or {setApprovalForAll}." }, "functionSelector": "23b872dd", "id": 12217, "implemented": false, "kind": "function", "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12215, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12210, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12217, "src": "1513:12:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12209, "name": "address", "nodeType": "ElementaryTypeName", "src": "1513:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12212, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12217, "src": "1527:10:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12211, "name": "address", "nodeType": "ElementaryTypeName", "src": "1527:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12214, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12217, "src": "1539:15:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12213, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1539:7:72", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1512:43:72" }, "returnParameters": { "id": 12216, "nodeType": "ParameterList", "parameters": [], "src": "1564:0:72" }, "scope": 12259, "src": "1491:74:72", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "body": null, "documentation": null, "functionSelector": "095ea7b3", "id": 12224, "implemented": false, "kind": "function", "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12222, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12219, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12224, "src": "1587:10:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12218, "name": "address", "nodeType": "ElementaryTypeName", "src": "1587:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12221, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12224, "src": "1599:15:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12220, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1599:7:72", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1586:29:72" }, "returnParameters": { "id": 12223, "nodeType": "ParameterList", "parameters": [], "src": "1624:0:72" }, "scope": 12259, "src": "1570:55:72", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "body": null, "documentation": null, "functionSelector": "081812fc", "id": 12231, "implemented": false, "kind": "function", "modifiers": [], "name": "getApproved", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12227, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12226, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12231, "src": "1651:15:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12225, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1651:7:72", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1650:17:72" }, "returnParameters": { "id": 12230, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12229, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12231, "src": "1691:16:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12228, "name": "address", "nodeType": "ElementaryTypeName", "src": "1691:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1690:18:72" }, "scope": 12259, "src": "1630:79:72", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "body": null, "documentation": null, "functionSelector": "a22cb465", "id": 12238, "implemented": false, "kind": "function", "modifiers": [], "name": "setApprovalForAll", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12236, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12233, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12238, "src": "1742:16:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12232, "name": "address", "nodeType": "ElementaryTypeName", "src": "1742:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12235, "mutability": "mutable", "name": "_approved", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12238, "src": "1760:14:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 12234, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1760:4:72", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1741:34:72" }, "returnParameters": { "id": 12237, "nodeType": "ParameterList", "parameters": [], "src": "1784:0:72" }, "scope": 12259, "src": "1715:70:72", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "body": null, "documentation": null, "functionSelector": "e985e9c5", "id": 12247, "implemented": false, "kind": "function", "modifiers": [], "name": "isApprovedForAll", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12243, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12240, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12247, "src": "1816:13:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12239, "name": "address", "nodeType": "ElementaryTypeName", "src": "1816:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12242, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12247, "src": "1831:16:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12241, "name": "address", "nodeType": "ElementaryTypeName", "src": "1831:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1815:33:72" }, "returnParameters": { "id": 12246, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12245, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12247, "src": "1872:4:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 12244, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1872:4:72", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1871:6:72" }, "scope": 12259, "src": "1790:88:72", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "body": null, "documentation": null, "functionSelector": "b88d4fde", "id": 12258, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 12256, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12249, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12258, "src": "1911:12:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12248, "name": "address", "nodeType": "ElementaryTypeName", "src": "1911:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12251, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12258, "src": "1925:10:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12250, "name": "address", "nodeType": "ElementaryTypeName", "src": "1925:7:72", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12253, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12258, "src": "1937:15:72", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 12252, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1937:7:72", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 12255, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 12258, "src": "1954:19:72", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 12254, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1954:5:72", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "1910:64:72" }, "returnParameters": { "id": 12257, "nodeType": "ParameterList", "parameters": [], "src": "1983:0:72" }, "scope": 12259, "src": "1885:99:72", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" } ], "scope": 12260, "src": "136:1850:72" } ], "src": "0:1987:72" }, "compiler": { "name": "solc", "version": "0.6.6+commit.6c089d02.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.1.0", "updatedAt": "2020-04-21T18:10:34.970Z", "devdoc": { "details": "Required interface of an ERC721 compliant contract.", "methods": { "balanceOf(address)": { "details": "Returns the number of NFTs in ``owner``'s account." }, "ownerOf(uint256)": { "details": "Returns the owner of the NFT specified by `tokenId`." }, "safeTransferFrom(address,address,uint256)": { "details": "Transfers a specific NFT (`tokenId`) from one account (`from`) to another (`to`). * * Requirements: - `from`, `to` cannot be zero. - `tokenId` must be owned by `from`. - If the caller is not `from`, it must be have been allowed to move this NFT by either {approve} or {setApprovalForAll}." }, "supportsInterface(bytes4)": { "details": "Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] to learn more about how these ids are created. * This function call must use less than 30 000 gas." }, "transferFrom(address,address,uint256)": { "details": "Transfers a specific NFT (`tokenId`) from one account (`from`) to another (`to`). * Requirements: - If the caller is not `from`, it must be approved to move this NFT by either {approve} or {setApprovalForAll}." } } }, "userdoc": { "methods": {} } }