{ "contractName": "ERC721Metadata", "abi": [ { "constant": true, "inputs": [ { "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "tokenId", "type": "uint256" } ], "name": "getApproved", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "to", "type": "address" }, { "name": "tokenId", "type": "uint256" } ], "name": "approve", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "from", "type": "address" }, { "name": "to", "type": "address" }, { "name": "tokenId", "type": "uint256" } ], "name": "transferFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "from", "type": "address" }, { "name": "to", "type": "address" }, { "name": "tokenId", "type": "uint256" } ], "name": "safeTransferFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "tokenId", "type": "uint256" } ], "name": "ownerOf", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "to", "type": "address" }, { "name": "approved", "type": "bool" } ], "name": "setApprovalForAll", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "from", "type": "address" }, { "name": "to", "type": "address" }, { "name": "tokenId", "type": "uint256" }, { "name": "_data", "type": "bytes" } ], "name": "safeTransferFrom", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "owner", "type": "address" }, { "name": "operator", "type": "address" } ], "name": "isApprovedForAll", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "inputs": [ { "name": "name", "type": "string" }, { "name": "symbol", "type": "string" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "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": "event" }, { "constant": true, "inputs": [], "name": "name", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "symbol", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "tokenId", "type": "uint256" } ], "name": "tokenURI", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.2+commit.1df8f40c\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":true,\"inputs\":[{\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getApproved\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"from\",\"type\":\"address\"},{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"from\",\"type\":\"address\"},{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ownerOf\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"approved\",\"type\":\"bool\"}],\"name\":\"setApprovalForAll\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"from\",\"type\":\"address\"},{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"tokenId\",\"type\":\"uint256\"},{\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"tokenURI\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"owner\",\"type\":\"address\"},{\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"isApprovedForAll\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"name\",\"type\":\"string\"},{\"name\":\"symbol\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"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\":\"event\"}],\"devdoc\":{\"methods\":{\"approve(address,uint256)\":{\"details\":\"Approves another address to transfer the given token ID The zero address indicates there is no approved address. There can only be one approved address per token at a given time. Can only be called by the token owner or an approved operator.\",\"params\":{\"to\":\"address to be approved for the given token ID\",\"tokenId\":\"uint256 ID of the token to be approved\"}},\"balanceOf(address)\":{\"details\":\"Gets the balance of the specified address\",\"params\":{\"owner\":\"address to query the balance of\"},\"return\":\"uint256 representing the amount owned by the passed address\"},\"constructor\":{\"details\":\"Constructor function\"},\"getApproved(uint256)\":{\"details\":\"Gets the approved address for a token ID, or zero if no address set Reverts if the token ID does not exist.\",\"params\":{\"tokenId\":\"uint256 ID of the token to query the approval of\"},\"return\":\"address currently approved for the given token ID\"},\"isApprovedForAll(address,address)\":{\"details\":\"Tells whether an operator is approved by a given owner\",\"params\":{\"operator\":\"operator address which you want to query the approval of\",\"owner\":\"owner address which you want to query the approval of\"},\"return\":\"bool whether the given operator is approved by the given owner\"},\"name()\":{\"details\":\"Gets the token name\",\"return\":\"string representing the token name\"},\"ownerOf(uint256)\":{\"details\":\"Gets the owner of the specified token ID\",\"params\":{\"tokenId\":\"uint256 ID of the token to query the owner of\"},\"return\":\"address currently marked as the owner of the given token ID\"},\"safeTransferFrom(address,address,uint256)\":{\"details\":\"Safely transfers the ownership of a given token ID to another address If the target address is a contract, it must implement `onERC721Received`, which is called upon a safe transfer, and return the magic value `bytes4(keccak256(\\\"onERC721Received(address,address,uint256,bytes)\\\"))`; otherwise, the transfer is reverted. Requires the msg.sender to be the owner, approved, or operator\",\"params\":{\"from\":\"current owner of the token\",\"to\":\"address to receive the ownership of the given token ID\",\"tokenId\":\"uint256 ID of the token to be transferred\"}},\"safeTransferFrom(address,address,uint256,bytes)\":{\"details\":\"Safely transfers the ownership of a given token ID to another address If the target address is a contract, it must implement `onERC721Received`, which is called upon a safe transfer, and return the magic value `bytes4(keccak256(\\\"onERC721Received(address,address,uint256,bytes)\\\"))`; otherwise, the transfer is reverted. Requires the msg.sender to be the owner, approved, or operator\",\"params\":{\"_data\":\"bytes data to send along with a safe transfer check\",\"from\":\"current owner of the token\",\"to\":\"address to receive the ownership of the given token ID\",\"tokenId\":\"uint256 ID of the token to be transferred\"}},\"setApprovalForAll(address,bool)\":{\"details\":\"Sets or unsets the approval of a given operator An operator is allowed to transfer all tokens of the sender on their behalf\",\"params\":{\"approved\":\"representing the status of the approval to be set\",\"to\":\"operator address to set the approval\"}},\"supportsInterface(bytes4)\":{\"details\":\"implement supportsInterface(bytes4) using a lookup table\"},\"symbol()\":{\"details\":\"Gets the token symbol\",\"return\":\"string representing the token symbol\"},\"tokenURI(uint256)\":{\"details\":\"Returns an URI for a given token ID Throws if the token ID does not exist. May return an empty string.\",\"params\":{\"tokenId\":\"uint256 ID of the token to query\"}},\"transferFrom(address,address,uint256)\":{\"details\":\"Transfers the ownership of a given token ID to another address Usage of this method is discouraged, use `safeTransferFrom` whenever possible Requires the msg.sender to be the owner, approved, or operator\",\"params\":{\"from\":\"current owner of the token\",\"to\":\"address to receive the ownership of the given token ID\",\"tokenId\":\"uint256 ID of the token to be transferred\"}}}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"openzeppelin-solidity/contracts/token/ERC721/ERC721Metadata.sol\":\"ERC721Metadata\"},\"evmVersion\":\"byzantium\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"openzeppelin-solidity/contracts/drafts/Counters.sol\":{\"keccak256\":\"0x982e18d2e3df98e3339f70f955a4d1fb78411a29963d0ea34621759eef67e86d\",\"urls\":[\"bzzr://a5438906da44343a09c6b47666d3649f269d9d156f2109e147e21595b2284363\"]},\"openzeppelin-solidity/contracts/introspection/ERC165.sol\":{\"keccak256\":\"0xd86c61f2e7e78c88716b5591bbf2d6cce8fe1a68320484994810d54f82605a7a\",\"urls\":[\"bzzr://4823f8b1263e0bacc50b5a823ebb27abeda34bffd67fa72225c44ebb2b4a30c7\"]},\"openzeppelin-solidity/contracts/introspection/IERC165.sol\":{\"keccak256\":\"0xc48ee580d20820cc0ef122b2acc9bf8836731dd8b9671cc03d21a12e3ab14976\",\"urls\":[\"bzzr://744cf3b8280d4a050ad0771e2ed0d7d41bbddfa40a541933d46bb31007a2e4a9\"]},\"openzeppelin-solidity/contracts/math/SafeMath.sol\":{\"keccak256\":\"0xc2a200a877c4a9b2475c246c54ffecc69ffde3e11af83319c63c2dc5458bac80\",\"urls\":[\"bzzr://c8876e2c39b60f155d748d71d715c8f3903fae5a405ac599adcb6ad2f9a583f9\"]},\"openzeppelin-solidity/contracts/token/ERC721/ERC721.sol\":{\"keccak256\":\"0x07029cbf047f6559e30862f33be2ee323c763e2fc251bca5de44177d29cf15e2\",\"urls\":[\"bzzr://bacac55aed34ace5358b0c89d0fdcd424e3b2d67e2deb51e238b54bd4903317f\"]},\"openzeppelin-solidity/contracts/token/ERC721/ERC721Metadata.sol\":{\"keccak256\":\"0x94b168e6c4f125ea32427f097dce92e52e9c8b66128ee95a0399f14f9cfdea2b\",\"urls\":[\"bzzr://596f3a80668e3b110b78d42f1964d6f12827dd730aafd947c457299f334b10b7\"]},\"openzeppelin-solidity/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0x44fd7c58fc1323f8481f160f2fd4c34b1653d0cc5def45c2381898d32bcc023e\",\"urls\":[\"bzzr://b7c59c72ede9ca492a5606cbbfaa4ba84e9869d9bdcdac2183655baae8b64026\"]},\"openzeppelin-solidity/contracts/token/ERC721/IERC721Metadata.sol\":{\"keccak256\":\"0x08e4f6bf25a8df438877bb717a76cfba7e2ee8650f5fdf114fa50b8106a2c11d\",\"urls\":[\"bzzr://121d1cbfc9499103ae11a781ce03056411162fcd13880ee865cdae329fedc67b\"]},\"openzeppelin-solidity/contracts/token/ERC721/IERC721Receiver.sol\":{\"keccak256\":\"0xeb8a266ef2da0aa60eea704031902ffd28b2d13dd0e8f5b69bcfb8415f2dad85\",\"urls\":[\"bzzr://393e9843d41c0652f115378cc58083c4acc4d83f7999fe22932d5e237c215d3f\"]},\"openzeppelin-solidity/contracts/utils/Address.sol\":{\"keccak256\":\"0xea16b9933153c647242ba50b3e494fb133063d49f1fa81823f35a8c28754142e\",\"urls\":[\"bzzr://aa2b2eb534149525e194341c01cadf666668a1b7d679a268d10e23570a7e26b1\"]}},\"version\":1}", 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"source": "pragma solidity ^0.5.2;\n\nimport \"./ERC721.sol\";\nimport \"./IERC721Metadata.sol\";\nimport \"../../introspection/ERC165.sol\";\n\ncontract ERC721Metadata is ERC165, ERC721, IERC721Metadata {\n // Token name\n string private _name;\n\n // Token symbol\n string private _symbol;\n\n // Optional mapping for token URIs\n mapping(uint256 => string) private _tokenURIs;\n\n bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;\n /*\n * 0x5b5e139f ===\n * bytes4(keccak256('name()')) ^\n * bytes4(keccak256('symbol()')) ^\n * bytes4(keccak256('tokenURI(uint256)'))\n */\n\n /**\n * @dev Constructor function\n */\n constructor (string memory name, string memory symbol) public {\n _name = name;\n _symbol = symbol;\n\n // register the supported interfaces to conform to ERC721 via ERC165\n _registerInterface(_INTERFACE_ID_ERC721_METADATA);\n }\n\n /**\n * @dev Gets the token name\n * @return string representing the token name\n */\n function name() external view returns (string memory) {\n return _name;\n }\n\n /**\n * @dev Gets the token symbol\n * @return string representing the token symbol\n */\n function symbol() external view returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev Returns an URI for a given token ID\n * Throws if the token ID does not exist. May return an empty string.\n * @param tokenId uint256 ID of the token to query\n */\n function tokenURI(uint256 tokenId) external view returns (string memory) {\n require(_exists(tokenId));\n return _tokenURIs[tokenId];\n }\n\n /**\n * @dev Internal function to set the token URI for a given token\n * Reverts if the token ID does not exist\n * @param tokenId uint256 ID of the token to set its URI\n * @param uri string URI to assign\n */\n function _setTokenURI(uint256 tokenId, string memory uri) internal {\n require(_exists(tokenId));\n _tokenURIs[tokenId] = uri;\n }\n\n /**\n * @dev Internal function to burn a specific token\n * Reverts if the token does not exist\n * Deprecated, use _burn(uint256) instead\n * @param owner owner of the token to burn\n * @param tokenId uint256 ID of the token being burned by the msg.sender\n */\n function _burn(address owner, uint256 tokenId) internal {\n super._burn(owner, tokenId);\n\n // Clear metadata (if any)\n if (bytes(_tokenURIs[tokenId]).length != 0) {\n delete _tokenURIs[tokenId];\n }\n }\n}\n", "sourcePath": "openzeppelin-solidity/contracts/token/ERC721/ERC721Metadata.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/token/ERC721/ERC721Metadata.sol", "exportedSymbols": { "ERC721Metadata": [ 1539 ] }, "id": 1540, "nodeType": "SourceUnit", "nodes": [ { "id": 1414, "literals": [ "solidity", "^", "0.5", ".2" ], "nodeType": "PragmaDirective", "src": "0:23:11" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC721/ERC721.sol", "file": "./ERC721.sol", "id": 1415, "nodeType": "ImportDirective", "scope": 1540, "sourceUnit": 1054, "src": "25:22:11", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC721/IERC721Metadata.sol", "file": "./IERC721Metadata.sol", "id": 1416, "nodeType": "ImportDirective", "scope": 1540, "sourceUnit": 1730, "src": "48:31:11", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/introspection/ERC165.sol", "file": "../../introspection/ERC165.sol", "id": 1417, "nodeType": "ImportDirective", "scope": 1540, "sourceUnit": 371, "src": "80:40:11", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 1418, "name": "ERC165", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 370, "src": "149:6:11", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC165_$370", "typeString": "contract ERC165" } }, "id": 1419, "nodeType": "InheritanceSpecifier", "src": "149:6:11" }, { "arguments": null, "baseName": { "contractScope": null, "id": 1420, "name": "ERC721", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1053, "src": "157:6:11", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC721_$1053", "typeString": "contract ERC721" } }, "id": 1421, "nodeType": "InheritanceSpecifier", "src": "157:6:11" }, { "arguments": null, "baseName": { "contractScope": null, "id": 1422, "name": "IERC721Metadata", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1729, "src": "165:15:11", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC721Metadata_$1729", "typeString": "contract IERC721Metadata" } }, "id": 1423, "nodeType": "InheritanceSpecifier", "src": "165:15:11" } ], "contractDependencies": [ 370, 380, 1053, 1679, 1729 ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 1539, "linearizedBaseContracts": [ 1539, 1729, 1053, 1679, 370, 380 ], "name": "ERC721Metadata", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 1425, "name": "_name", "nodeType": "VariableDeclaration", "scope": 1539, "src": "205:20:11", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 1424, "name": "string", "nodeType": "ElementaryTypeName", "src": "205:6:11", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "private" }, { "constant": false, "id": 1427, "name": "_symbol", "nodeType": "VariableDeclaration", "scope": 1539, "src": "252:22:11", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 1426, "name": "string", "nodeType": "ElementaryTypeName", "src": "252:6:11", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "private" }, { "constant": false, "id": 1431, "name": "_tokenURIs", "nodeType": "VariableDeclaration", "scope": 1539, "src": "320:45:11", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string)" }, "typeName": { "id": 1430, "keyType": { "id": 1428, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "328:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Mapping", "src": "320:26:11", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string)" }, "valueType": { "id": 1429, "name": "string", "nodeType": "ElementaryTypeName", "src": "339:6:11", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } } }, "value": null, "visibility": "private" }, { "constant": true, "id": 1434, "name": "_INTERFACE_ID_ERC721_METADATA", "nodeType": "VariableDeclaration", "scope": 1539, "src": "372:66:11", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "typeName": { "id": 1432, "name": "bytes4", "nodeType": "ElementaryTypeName", "src": "372:6:11", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "value": { "argumentTypes": null, "hexValue": "30783562356531333966", "id": 1433, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "428:10:11", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1532892063_by_1", "typeString": "int_const 1532892063" }, "value": "0x5b5e139f" }, "visibility": "private" }, { "body": { "id": 1453, "nodeType": "Block", "src": "727:192:11", "statements": [ { "expression": { "argumentTypes": null, "id": 1443, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1441, "name": "_name", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1425, "src": "737:5:11", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1442, "name": 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"typeString": "function (bytes4)" } }, "id": 1451, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "863:49:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1452, "nodeType": "ExpressionStatement", "src": "863:49:11" } ] }, "documentation": "@dev Constructor function", "id": 1454, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 1439, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1436, "name": "name", "nodeType": "VariableDeclaration", "scope": 1454, "src": "678:18:11", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 1435, "name": "string", "nodeType": "ElementaryTypeName", "src": "678:6:11", "typeDescriptions": { 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"parameters": { "id": 1463, "nodeType": "ParameterList", "parameters": [], "src": "1229:2:11" }, "returnParameters": { "id": 1466, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1465, "name": "", "nodeType": "VariableDeclaration", "scope": 1470, "src": "1255:13:11", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 1464, "name": "string", "nodeType": "ElementaryTypeName", "src": "1255:6:11", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1254:15:11" }, "scope": 1539, "src": "1214:87:11", "stateMutability": "view", "superFunction": 1721, "visibility": "external" }, { "body": { "id": 1487, "nodeType": "Block", "src": "1573:78:11", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { 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"name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 1782, 1783 ], "referencedDeclaration": 1782, "src": "1583:7:11", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 1481, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1583:25:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1482, "nodeType": "ExpressionStatement", "src": "1583:25:11" }, { "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1483, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1431, "src": "1625:10:11", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 1485, "indexExpression": { "argumentTypes": null, "id": 1484, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1472, "src": "1636:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1625:19:11", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "functionReturnParameters": 1476, "id": 1486, "nodeType": "Return", "src": "1618:26:11" } ] }, "documentation": "@dev Returns an URI for a given token ID\nThrows if the token ID does not exist. May return an empty string.\n@param tokenId uint256 ID of the token to query", "id": 1488, "implemented": true, "kind": "function", "modifiers": [], "name": "tokenURI", "nodeType": "FunctionDefinition", "parameters": { "id": 1473, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1472, "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1488, "src": "1518:15:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1471, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1518:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1517:17:11" }, "returnParameters": { "id": 1476, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1475, "name": "", "nodeType": "VariableDeclaration", "scope": 1488, "src": "1558:13:11", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 1474, "name": "string", "nodeType": "ElementaryTypeName", "src": "1558:6:11", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1557:15:11" }, "scope": 1539, "src": "1500:151:11", "stateMutability": "view", "superFunction": 1728, "visibility": "external" }, { "body": { "id": 1507, "nodeType": "Block", "src": "1955:77:11", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1497, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1490, "src": "1981:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": 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"isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1965:25:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1500, "nodeType": "ExpressionStatement", "src": "1965:25:11" }, { "expression": { "argumentTypes": null, "id": 1505, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1501, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1431, "src": "2000:10:11", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 1503, "indexExpression": { "argumentTypes": null, "id": 1502, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1490, "src": "2011:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "2000:19:11", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1504, "name": "uri", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1492, "src": "2022:3:11", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "src": "2000:25:11", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "id": 1506, "nodeType": "ExpressionStatement", "src": "2000:25:11" } ] }, "documentation": "@dev Internal function to set the token URI for a given token\nReverts if the token ID does not exist\n@param tokenId uint256 ID of the token to set its URI\n@param uri string URI to assign", "id": 1508, "implemented": true, "kind": "function", "modifiers": [], "name": "_setTokenURI", "nodeType": "FunctionDefinition", "parameters": { "id": 1493, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1490, "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1508, "src": "1910:15:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1489, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1910:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1492, "name": "uri", "nodeType": "VariableDeclaration", "scope": 1508, "src": "1927:17:11", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 1491, "name": "string", "nodeType": "ElementaryTypeName", "src": "1927:6:11", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "1909:36:11" }, "returnParameters": { "id": 1494, "nodeType": "ParameterList", "parameters": [], "src": "1955:0:11" }, "scope": 1539, "src": "1888:144:11", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 1537, "nodeType": "Block", "src": "2378:184:11", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1518, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1510, "src": "2400:5:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 1519, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1512, "src": "2407:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 1515, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1817, "src": "2388:5:11", "typeDescriptions": { "typeIdentifier": "t_super$_ERC721Metadata_$1539", "typeString": "contract super ERC721Metadata" } }, "id": 1517, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "_burn", "nodeType": "MemberAccess", "referencedDeclaration": 922, "src": "2388:11:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 1520, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2388:27:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1521, "nodeType": "ExpressionStatement", "src": "2388:27:11" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1529, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1523, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1431, "src": "2471:10:11", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 1525, "indexExpression": { "argumentTypes": null, "id": 1524, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1512, "src": "2482:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2471:19:11", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } ], "id": 1522, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2465:5:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes_storage_ptr_$", "typeString": "type(bytes storage pointer)" }, "typeName": "bytes" }, "id": 1526, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2465:26:11", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes storage pointer" } }, "id": 1527, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2465:33:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 1528, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2502:1:11", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2465:38:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1536, "nodeType": "IfStatement", "src": "2461:95:11", "trueBody": { "id": 1535, "nodeType": "Block", "src": "2505:51:11", "statements": [ { "expression": { "argumentTypes": null, "id": 1533, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "delete", "prefix": true, "src": "2519:26:11", "subExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1530, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1431, "src": "2526:10:11", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 1532, "indexExpression": { "argumentTypes": null, "id": 1531, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1512, "src": "2537:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "2526:19:11", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1534, "nodeType": "ExpressionStatement", "src": "2519:26:11" } ] } } ] }, "documentation": "@dev Internal function to burn a specific token\nReverts if the token does not exist\nDeprecated, use _burn(uint256) instead\n@param owner owner of the token to burn\n@param tokenId uint256 ID of the token being burned by the msg.sender", "id": 1538, "implemented": true, "kind": "function", "modifiers": [], "name": "_burn", "nodeType": "FunctionDefinition", "parameters": { "id": 1513, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1510, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1538, "src": "2337:13:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { 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"lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2388:27:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1521, "nodeType": "ExpressionStatement", "src": "2388:27:11" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1529, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1523, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1431, "src": "2471:10:11", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 1525, "indexExpression": { "argumentTypes": null, "id": 1524, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1512, "src": "2482:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2471:19:11", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } ], "id": 1522, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2465:5:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes_storage_ptr_$", "typeString": "type(bytes storage pointer)" }, "typeName": "bytes" }, "id": 1526, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2465:26:11", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes storage pointer" } }, "id": 1527, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2465:33:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 1528, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2502:1:11", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "2465:38:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1536, "nodeType": "IfStatement", "src": "2461:95:11", "trueBody": { "id": 1535, "nodeType": "Block", "src": "2505:51:11", "statements": [ { "expression": { "argumentTypes": null, "id": 1533, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "delete", "prefix": true, "src": "2519:26:11", "subExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1530, "name": "_tokenURIs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1431, "src": "2526:10:11", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_string_storage_$", "typeString": "mapping(uint256 => string storage ref)" } }, "id": 1532, "indexExpression": { "argumentTypes": null, "id": 1531, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1512, "src": "2537:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "2526:19:11", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string storage ref" } }, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1534, "nodeType": "ExpressionStatement", "src": "2519:26:11" } ] } } ] }, "documentation": "@dev Internal function to burn a specific token\nReverts if the token does not exist\nDeprecated, use _burn(uint256) instead\n@param owner owner of the token to burn\n@param tokenId uint256 ID of the token being burned by the msg.sender", "id": 1538, "implemented": true, "kind": "function", "modifiers": [], "name": "_burn", "nodeType": "FunctionDefinition", "parameters": { "id": 1513, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1510, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1538, "src": "2337:13:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1509, "name": "address", "nodeType": "ElementaryTypeName", "src": "2337:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1512, "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1538, "src": "2352:15:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1511, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2352:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2336:32:11" }, "returnParameters": { "id": 1514, "nodeType": "ParameterList", "parameters": [], "src": "2378:0:11" }, "scope": 1539, "src": "2322:240:11", "stateMutability": "nonpayable", "superFunction": 922, "visibility": "internal" } ], "scope": 1540, "src": "122:2442:11" } ], "src": "0:2565:11" }, "compiler": { "name": "solc", "version": "0.5.2+commit.1df8f40c.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.0.16", "updatedAt": "2019-10-19T07:38:02.327Z", "devdoc": { "methods": { "approve(address,uint256)": { "details": "Approves another address to transfer the given token ID The zero address indicates there is no approved address. There can only be one approved address per token at a given time. Can only be called by the token owner or an approved operator.", "params": { "to": "address to be approved for the given token ID", "tokenId": "uint256 ID of the token to be approved" } }, "balanceOf(address)": { "details": "Gets the balance of the specified address", "params": { "owner": "address to query the balance of" }, "return": "uint256 representing the amount owned by the passed address" }, "constructor": { "details": "Constructor function" }, "getApproved(uint256)": { "details": "Gets the approved address for a token ID, or zero if no address set Reverts if the token ID does not exist.", "params": { "tokenId": "uint256 ID of the token to query the approval of" }, "return": "address currently approved for the given token ID" }, "isApprovedForAll(address,address)": { "details": "Tells whether an operator is approved by a given owner", "params": { "operator": "operator address which you want to query the approval of", "owner": "owner address which you want to query the approval of" }, "return": "bool whether the given operator is approved by the given owner" }, "name()": { "details": "Gets the token name", "return": "string representing the token name" }, "ownerOf(uint256)": { "details": "Gets the owner of the specified token ID", "params": { "tokenId": "uint256 ID of the token to query the owner of" }, "return": "address currently marked as the owner of the given token ID" }, "safeTransferFrom(address,address,uint256)": { "details": "Safely transfers the ownership of a given token ID to another address If the target address is a contract, it must implement `onERC721Received`, which is called upon a safe transfer, and return the magic value `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`; otherwise, the transfer is reverted. Requires the msg.sender to be the owner, approved, or operator", "params": { "from": "current owner of the token", "to": "address to receive the ownership of the given token ID", "tokenId": "uint256 ID of the token to be transferred" } }, "safeTransferFrom(address,address,uint256,bytes)": { "details": "Safely transfers the ownership of a given token ID to another address If the target address is a contract, it must implement `onERC721Received`, which is called upon a safe transfer, and return the magic value `bytes4(keccak256(\"onERC721Received(address,address,uint256,bytes)\"))`; otherwise, the transfer is reverted. Requires the msg.sender to be the owner, approved, or operator", "params": { "_data": "bytes data to send along with a safe transfer check", "from": "current owner of the token", "to": "address to receive the ownership of the given token ID", "tokenId": "uint256 ID of the token to be transferred" } }, "setApprovalForAll(address,bool)": { "details": "Sets or unsets the approval of a given operator An operator is allowed to transfer all tokens of the sender on their behalf", "params": { "approved": "representing the status of the approval to be set", "to": "operator address to set the approval" } }, "supportsInterface(bytes4)": { "details": "implement supportsInterface(bytes4) using a lookup table" }, "symbol()": { "details": "Gets the token symbol", "return": "string representing the token symbol" }, "tokenURI(uint256)": { "details": "Returns an URI for a given token ID Throws if the token ID does not exist. May return an empty string.", "params": { "tokenId": "uint256 ID of the token to query" } }, "transferFrom(address,address,uint256)": { "details": "Transfers the ownership of a given token ID to another address Usage of this method is discouraged, use `safeTransferFrom` whenever possible Requires the msg.sender to be the owner, approved, or operator", "params": { "from": "current owner of the token", "to": "address to receive the ownership of the given token ID", "tokenId": "uint256 ID of the token to be transferred" } } } }, "userdoc": { "methods": {} } }