{
  "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": "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": "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": "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\":\"0.5.17+commit.d19bba13\"},\"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\":\"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 `setApproveForAll`.\"},\"supportsInterface(bytes4)\":{\"details\":\"Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) 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 `setApproveForAll`.\"}}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"openzeppelin-solidity/contracts/token/ERC721/IERC721.sol\":\"IERC721\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"openzeppelin-solidity/contracts/introspection/IERC165.sol\":{\"keccak256\":\"0x661553e43d7c4fbb2de504e5999fd5c104d367488350ed5bf023031bd1ba5ac5\",\"urls\":[\"bzz-raw://b40442c5b350b57b88a081a1eacd2bac962d4ecc1f029f5447a18986f08f6f14\",\"dweb:/ipfs/QmV7wjtRf11ibUHh4g8JjuhMpy68pPhV95L2y46UBoRfsZ\"]},\"openzeppelin-solidity/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0xce48937a8007c580b8e2e35705738c922dd17540de89ebee6df06d2917a3f9fc\",\"urls\":[\"bzz-raw://1d117265103ee3efcd454d3aafb3e79a115f9bca6dec78a1229558eb30d14d05\",\"dweb:/ipfs/QmTm5Z1c7zzPiG3Cfj1eBMB23AeiEFGgvmTFQVaeEWXVCw\"]}},\"version\":1}",
  "bytecode": "0x",
  "deployedBytecode": "0x",
  "sourceMap": "",
  "deployedSourceMap": "",
  "source": "pragma solidity ^0.5.0;\n\nimport \"../../introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\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    /**\n     * @dev Returns the number of NFTs in `owner`'s account.\n     */\n    function balanceOf(address owner) public view returns (uint256 balance);\n\n    /**\n     * @dev Returns the owner of the NFT specified by `tokenId`.\n     */\n    function ownerOf(uint256 tokenId) public 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 `setApproveForAll`.\n     */\n    function safeTransferFrom(address from, address to, uint256 tokenId) public;\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 `setApproveForAll`.\n     */\n    function transferFrom(address from, address to, uint256 tokenId) public;\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\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": [
        18287
      ]
    },
    "id": 18288,
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 18186,
        "literals": [
          "solidity",
          "^",
          "0.5",
          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "0:23:67"
      },
      {
        "absolutePath": "openzeppelin-solidity/contracts/introspection/IERC165.sol",
        "file": "../../introspection/IERC165.sol",
        "id": 18187,
        "nodeType": "ImportDirective",
        "scope": 18288,
        "sourceUnit": 16723,
        "src": "25:41:67",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "baseContracts": [
          {
            "arguments": null,
            "baseName": {
              "contractScope": null,
              "id": 18188,
              "name": "IERC165",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 16722,
              "src": "156:7:67",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_IERC165_$16722",
                "typeString": "contract IERC165"
              }
            },
            "id": 18189,
            "nodeType": "InheritanceSpecifier",
            "src": "156:7:67"
          }
        ],
        "contractDependencies": [
          16722
        ],
        "contractKind": "contract",
        "documentation": "@dev Required interface of an ERC721 compliant contract.",
        "fullyImplemented": false,
        "id": 18287,
        "linearizedBaseContracts": [
          18287,
          16722
        ],
        "name": "IERC721",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "anonymous": false,
            "documentation": null,
            "id": 18197,
            "name": "Transfer",
            "nodeType": "EventDefinition",
            "parameters": {
              "id": 18196,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 18191,
                  "indexed": true,
                  "name": "from",
                  "nodeType": "VariableDeclaration",
                  "scope": 18197,
                  "src": "185:20:67",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 18190,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "185:7:67",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 18193,
                  "indexed": true,
                  "name": "to",
                  "nodeType": "VariableDeclaration",
                  "scope": 18197,
                  "src": "207:18:67",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 18192,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "207:7:67",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 18195,
                  "indexed": true,
                  "name": "tokenId",
                  "nodeType": "VariableDeclaration",
                  "scope": 18197,
                  "src": "227:23:67",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 18194,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "227:7:67",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "184:67:67"
            },
            "src": "170:82:67"
          },
          {
            "anonymous": false,
            "documentation": null,
            "id": 18205,
            "name": "Approval",
            "nodeType": "EventDefinition",
            "parameters": {
              "id": 18204,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 18199,
                  "indexed": true,
                  "name": "owner",
                  "nodeType": "VariableDeclaration",
                  "scope": 18205,
                  "src": "272:21:67",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 18198,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "272:7:67",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 18201,
                  "indexed": true,
                  "name": "approved",
                  "nodeType": "VariableDeclaration",
                  "scope": 18205,
                  "src": "295:24:67",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 18200,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "295:7:67",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 18203,
                  "indexed": true,
                  "name": "tokenId",
                  "nodeType": "VariableDeclaration",
                  "scope": 18205,
                  "src": "321:23:67",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 18202,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "321:7:67",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "271:74:67"
            },
            "src": "257:89:67"
          },
          {
            "anonymous": false,
            "documentation": null,
            "id": 18213,
            "name": "ApprovalForAll",
            "nodeType": "EventDefinition",
            "parameters": {
              "id": 18212,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 18207,
                  "indexed": true,
                  "name": "owner",
                  "nodeType": "VariableDeclaration",
                  "scope": 18213,
                  "src": "372:21:67",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 18206,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "372:7:67",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 18209,
                  "indexed": true,
                  "name": "operator",
                  "nodeType": "VariableDeclaration",
                  "scope": 18213,
                  "src": "395:24:67",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 18208,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "395:7:67",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 18211,
                  "indexed": false,
                  "name": "approved",
                  "nodeType": "VariableDeclaration",
                  "scope": 18213,
                  "src": "421:13:67",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bool",
                    "typeString": "bool"
                  },
                  "typeName": {
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                          "name": "address",
                          "stateMutability": "nonpayable",
                          "type": "address"
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                        "id": 18260,
                        "name": "ElementaryTypeName",
                        "src": "1726:7:67"
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                    ],
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                    "src": "1726:16:67"
                  },
                  {
                    "attributes": {
                      "constant": false,
                      "name": "_approved",
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                ],
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                "src": "1725:34:67"
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            "attributes": {
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              ],
              "name": "isApprovedForAll",
              "scope": 18287,
              "stateMutability": "view",
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            },
            "children": [
              {
                "children": [
                  {
                    "attributes": {
                      "constant": false,
                      "name": "owner",
                      "scope": 18275,
                      "stateVariable": false,
                      "storageLocation": "default",
                      "type": "address",
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                      "visibility": "internal"
                    },
                    "children": [
                      {
                        "attributes": {
                          "name": "address",
                          "stateMutability": "nonpayable",
                          "type": "address"
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                        "id": 18267,
                        "name": "ElementaryTypeName",
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                      }
                    ],
                    "id": 18268,
                    "name": "VariableDeclaration",
                    "src": "1798:13:67"
                  },
                  {
                    "attributes": {
                      "constant": false,
                      "name": "operator",
                      "scope": 18275,
                      "stateVariable": false,
                      "storageLocation": "default",
                      "type": "address",
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                      "visibility": "internal"
                    },
                    "children": [
                      {
                        "attributes": {
                          "name": "address",
                          "stateMutability": "nonpayable",
                          "type": "address"
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                        "id": 18269,
                        "name": "ElementaryTypeName",
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                      }
                    ],
                    "id": 18270,
                    "name": "VariableDeclaration",
                    "src": "1813:16:67"
                  }
                ],
                "id": 18271,
                "name": "ParameterList",
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              },
              {
                "children": [
                  {
                    "attributes": {
                      "constant": false,
                      "name": "",
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                ],
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            "name": "FunctionDefinition",
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              "documentation": null,
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              "isConstructor": false,
              "kind": "function",
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              "name": "safeTransferFrom",
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            "children": [
              {
                "children": [
                  {
                    "attributes": {
                      "constant": false,
                      "name": "from",
                      "scope": 18286,
                      "stateVariable": false,
                      "storageLocation": "default",
                      "type": "address",
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                      "visibility": "internal"
                    },
                    "children": [
                      {
                        "attributes": {
                          "name": "address",
                          "stateMutability": "nonpayable",
                          "type": "address"
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                        "id": 18276,
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                    ],
                    "id": 18277,
                    "name": "VariableDeclaration",
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                  },
                  {
                    "attributes": {
                      "constant": false,
                      "name": "to",
                      "scope": 18286,
                      "stateVariable": false,
                      "storageLocation": "default",
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                    "children": [
                      {
                        "attributes": {
                          "name": "address",
                          "stateMutability": "nonpayable",
                          "type": "address"
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                        "name": "ElementaryTypeName",
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                      }
                    ],
                    "id": 18279,
                    "name": "VariableDeclaration",
                    "src": "1905:10:67"
                  },
                  {
                    "attributes": {
                      "constant": false,
                      "name": "tokenId",
                      "scope": 18286,
                      "stateVariable": false,
                      "storageLocation": "default",
                      "type": "uint256",
                      "value": null,
                      "visibility": "internal"
                    },
                    "children": [
                      {
                        "attributes": {
                          "name": "uint256",
                          "type": "uint256"
                        },
                        "id": 18280,
                        "name": "ElementaryTypeName",
                        "src": "1917:7:67"
                      }
                    ],
                    "id": 18281,
                    "name": "VariableDeclaration",
                    "src": "1917:15:67"
                  },
                  {
                    "attributes": {
                      "constant": false,
                      "name": "data",
                      "scope": 18286,
                      "stateVariable": false,
                      "storageLocation": "memory",
                      "type": "bytes",
                      "value": null,
                      "visibility": "internal"
                    },
                    "children": [
                      {
                        "attributes": {
                          "name": "bytes",
                          "type": "bytes"
                        },
                        "id": 18282,
                        "name": "ElementaryTypeName",
                        "src": "1934:5:67"
                      }
                    ],
                    "id": 18283,
                    "name": "VariableDeclaration",
                    "src": "1934:17:67"
                  }
                ],
                "id": 18284,
                "name": "ParameterList",
                "src": "1890:62:67"
              },
              {
                "attributes": {
                  "parameters": [
                    null
                  ]
                },
                "children": [],
                "id": 18285,
                "name": "ParameterList",
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              }
            ],
            "id": 18286,
            "name": "FunctionDefinition",
            "src": "1865:95:67"
          }
        ],
        "id": 18287,
        "name": "ContractDefinition",
        "src": "136:1826:67"
      }
    ],
    "id": 18288,
    "name": "SourceUnit",
    "src": "0:1963:67"
  },
  "compiler": {
    "name": "solc",
    "version": "0.5.17+commit.d19bba13.Emscripten.clang"
  },
  "networks": {},
  "schemaVersion": "3.3.4",
  "updatedAt": "2021-11-23T11:52:09.493Z",
  "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 `setApproveForAll`."
      },
      "supportsInterface(bytes4)": {
        "details": "Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) 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 `setApproveForAll`."
      }
    }
  },
  "userdoc": {
    "methods": {}
  }
}