{ "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": "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": "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": "address", "name": "operator", "type": "address" }, { "internalType": "bool", "name": "_approved", "type": "bool" } ], "name": "setApprovalForAll", "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": "owner", "type": "address" }, { "internalType": "address", "name": "operator", "type": "address" } ], "name": "isApprovedForAll", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.19+commit.7dd6d404\"},\"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.\",\"events\":{\"Approval(address,address,uint256)\":{\"details\":\"Emitted when `owner` enables `approved` to manage the `tokenId` token.\"},\"ApprovalForAll(address,address,bool)\":{\"details\":\"Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\"},\"Transfer(address,address,uint256)\":{\"details\":\"Emitted when `tokenId` token is transferred from `from` to `to`.\"}},\"kind\":\"dev\",\"methods\":{\"approve(address,uint256)\":{\"details\":\"Gives permission to `to` to transfer `tokenId` token to another account. The approval is cleared when the token is transferred. Only a single account can be approved at a time, so approving the zero address clears previous approvals. Requirements: - The caller must own the token or be an approved operator. - `tokenId` must exist. Emits an {Approval} event.\"},\"balanceOf(address)\":{\"details\":\"Returns the number of tokens in ``owner``'s account.\"},\"getApproved(uint256)\":{\"details\":\"Returns the account approved for `tokenId` token. Requirements: - `tokenId` must exist.\"},\"isApprovedForAll(address,address)\":{\"details\":\"Returns if the `operator` is allowed to manage all of the assets of `owner`. See {setApprovalForAll}\"},\"ownerOf(uint256)\":{\"details\":\"Returns the owner of the `tokenId` token. Requirements: - `tokenId` must exist.\"},\"safeTransferFrom(address,address,uint256)\":{\"details\":\"Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients are aware of the ERC721 protocol to prevent tokens from being forever locked. Requirements: - `from` cannot be the zero address. - `to` cannot be the zero address. - `tokenId` token must exist and be owned by `from`. - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. Emits a {Transfer} event.\"},\"safeTransferFrom(address,address,uint256,bytes)\":{\"details\":\"Safely transfers `tokenId` token from `from` to `to`. Requirements: - `from` cannot be the zero address. - `to` cannot be the zero address. - `tokenId` token must exist and be owned by `from`. - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. Emits a {Transfer} event.\"},\"setApprovalForAll(address,bool)\":{\"details\":\"Approve or remove `operator` as an operator for the caller. Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. Requirements: - The `operator` cannot be the caller. Emits an {ApprovalForAll} event.\"},\"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 `tokenId` token from `from` to `to`. WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must understand this adds an external call which potentially creates a reentrancy vulnerability. Requirements: - `from` cannot be the zero address. - `to` cannot be the zero address. - `tokenId` token must be owned by `from`. - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. Emits a {Transfer} event.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":\"IERC721\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":25},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0xab28a56179c1db258c9bf5235b382698cb650debecb51b23d12be9e241374b68\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://daae589a9d6fa7e55f99f86c0a16796ca490f243fb3693632c3711c0646c1d56\",\"dweb:/ipfs/QmR3zpd7wNw3rcUdekwiv6FYHJqksuTCXLVioTxu6Fbxk3\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0x447a5f3ddc18419d41ff92b3773fb86471b1db25773e07f877f548918a185bf1\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://be161e54f24e5c6fae81a12db1a8ae87bc5ae1b0ddc805d82a1440a68455088f\",\"dweb:/ipfs/QmP7C3CHdY9urF4dEMb9wmsp1wMxHF6nhA2yQE5SKiPAdy\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n /**\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n */\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n */\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n /**\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n */\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n /**\n * @dev Returns the number of tokens in ``owner``'s account.\n */\n function balanceOf(address owner) external view returns (uint256 balance);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes calldata data\n ) external;\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Transfers `tokenId` token from `from` to `to`.\n *\n * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721\n * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must\n * understand this adds an external call which potentially creates a reentrancy vulnerability.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) external;\n\n /**\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n * The approval is cleared when the token is transferred.\n *\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n *\n * Requirements:\n *\n * - The caller must own the token or be an approved operator.\n * - `tokenId` must exist.\n *\n * Emits an {Approval} event.\n */\n function approve(address to, uint256 tokenId) external;\n\n /**\n * @dev Approve or remove `operator` as an operator for the caller.\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n *\n * Requirements:\n *\n * - The `operator` cannot be the caller.\n *\n * Emits an {ApprovalForAll} event.\n */\n function setApprovalForAll(address operator, bool _approved) external;\n\n /**\n * @dev Returns the account approved for `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function getApproved(uint256 tokenId) external view returns (address operator);\n\n /**\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n *\n * See {setApprovalForAll}\n */\n function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n", "sourcePath": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "ast": { "absolutePath": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "exportedSymbols": { "IERC165": [ 2338 ], "IERC721": [ 1505 ] }, "id": 1506, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 1391, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "108:23:12" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/IERC165.sol", "file": "../../utils/introspection/IERC165.sol", "id": 1392, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 1506, "sourceUnit": 2339, "src": "133:47:12", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 1394, "name": "IERC165", "nameLocations": [ "271:7:12" ], "nodeType": "IdentifierPath", "referencedDeclaration": 2338, "src": "271:7:12" }, "id": 1395, "nodeType": "InheritanceSpecifier", "src": "271:7:12" } ], "canonicalName": "IERC721", "contractDependencies": [], "contractKind": "interface", "documentation": { "id": 1393, "nodeType": "StructuredDocumentation", "src": "182:67:12", "text": " @dev Required interface of an ERC721 compliant contract." }, "fullyImplemented": false, "id": 1505, "linearizedBaseContracts": [ 1505, 2338 ], "name": "IERC721", "nameLocation": "260:7:12", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": { "id": 1396, "nodeType": "StructuredDocumentation", "src": "285:88:12", "text": " @dev Emitted when `tokenId` token is transferred from `from` to `to`." }, "eventSelector": "ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef", "id": 1404, "name": "Transfer", "nameLocation": "384:8:12", "nodeType": "EventDefinition", "parameters": { "id": 1403, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1398, "indexed": true, "mutability": "mutable", "name": "from", "nameLocation": "409:4:12", "nodeType": "VariableDeclaration", "scope": 1404, "src": "393:20:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1397, "name": "address", "nodeType": "ElementaryTypeName", "src": "393:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1400, "indexed": true, "mutability": "mutable", "name": "to", "nameLocation": "431:2:12", "nodeType": "VariableDeclaration", "scope": 1404, "src": "415:18:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1399, "name": "address", "nodeType": "ElementaryTypeName", "src": "415:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1402, "indexed": true, "mutability": "mutable", "name": "tokenId", "nameLocation": "451:7:12", "nodeType": "VariableDeclaration", "scope": 1404, "src": "435:23:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1401, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "435:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "392:67:12" }, "src": "378:82:12" }, { "anonymous": false, "documentation": { "id": 1405, "nodeType": "StructuredDocumentation", "src": "466:94:12", "text": " @dev Emitted when `owner` enables `approved` to manage the `tokenId` token." }, "eventSelector": "8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925", "id": 1413, "name": "Approval", "nameLocation": "571:8:12", "nodeType": "EventDefinition", "parameters": { "id": 1412, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1407, "indexed": true, "mutability": "mutable", "name": "owner", "nameLocation": "596:5:12", "nodeType": "VariableDeclaration", "scope": 1413, "src": "580:21:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1406, "name": "address", "nodeType": "ElementaryTypeName", "src": "580:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1409, "indexed": true, "mutability": "mutable", "name": "approved", "nameLocation": "619:8:12", "nodeType": "VariableDeclaration", "scope": 1413, "src": "603:24:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1408, "name": "address", "nodeType": "ElementaryTypeName", "src": "603:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1411, "indexed": true, "mutability": "mutable", "name": "tokenId", "nameLocation": "645:7:12", "nodeType": "VariableDeclaration", "scope": 1413, "src": "629:23:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1410, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "629:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "579:74:12" }, "src": "565:89:12" }, { "anonymous": false, "documentation": { "id": 1414, "nodeType": "StructuredDocumentation", "src": "660:117:12", "text": " @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets." }, "eventSelector": "17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31", "id": 1422, "name": "ApprovalForAll", "nameLocation": "788:14:12", "nodeType": "EventDefinition", "parameters": { "id": 1421, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1416, "indexed": true, "mutability": "mutable", "name": "owner", "nameLocation": "819:5:12", "nodeType": "VariableDeclaration", "scope": 1422, "src": "803:21:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1415, "name": "address", "nodeType": "ElementaryTypeName", "src": "803:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1418, "indexed": true, "mutability": "mutable", "name": "operator", "nameLocation": "842:8:12", "nodeType": "VariableDeclaration", "scope": 1422, "src": "826:24:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1417, "name": "address", "nodeType": "ElementaryTypeName", "src": "826:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1420, "indexed": false, "mutability": "mutable", "name": "approved", "nameLocation": "857:8:12", "nodeType": "VariableDeclaration", "scope": 1422, "src": "852:13:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1419, "name": "bool", "nodeType": "ElementaryTypeName", "src": "852:4:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "802:64:12" }, "src": "782:85:12" }, { "documentation": { "id": 1423, "nodeType": "StructuredDocumentation", "src": "873:76:12", "text": " @dev Returns the number of tokens in ``owner``'s account." }, "functionSelector": "70a08231", "id": 1430, "implemented": false, "kind": "function", "modifiers": [], "name": "balanceOf", "nameLocation": "963:9:12", "nodeType": "FunctionDefinition", "parameters": { "id": 1426, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1425, "mutability": "mutable", "name": "owner", "nameLocation": "981:5:12", "nodeType": "VariableDeclaration", "scope": 1430, "src": "973:13:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1424, "name": "address", "nodeType": "ElementaryTypeName", "src": "973:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "972:15:12" }, "returnParameters": { "id": 1429, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1428, "mutability": "mutable", "name": "balance", "nameLocation": "1019:7:12", "nodeType": "VariableDeclaration", "scope": 1430, "src": "1011:15:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1427, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1011:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1010:17:12" }, "scope": 1505, "src": "954:74:12", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1431, "nodeType": "StructuredDocumentation", "src": "1034:131:12", "text": " @dev Returns the owner of the `tokenId` token.\n Requirements:\n - `tokenId` must exist." }, "functionSelector": "6352211e", "id": 1438, "implemented": false, "kind": "function", "modifiers": [], "name": "ownerOf", "nameLocation": "1179:7:12", "nodeType": "FunctionDefinition", "parameters": { "id": 1434, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1433, "mutability": "mutable", "name": "tokenId", "nameLocation": "1195:7:12", "nodeType": "VariableDeclaration", "scope": 1438, "src": "1187:15:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1432, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1187:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1186:17:12" }, "returnParameters": { "id": 1437, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1436, "mutability": "mutable", "name": "owner", "nameLocation": "1235:5:12", "nodeType": "VariableDeclaration", "scope": 1438, "src": "1227:13:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1435, "name": "address", "nodeType": "ElementaryTypeName", "src": "1227:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1226:15:12" }, "scope": 1505, "src": "1170:72:12", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1439, "nodeType": "StructuredDocumentation", "src": "1248:556:12", "text": " @dev Safely transfers `tokenId` token from `from` to `to`.\n Requirements:\n - `from` cannot be the zero address.\n - `to` cannot be the zero address.\n - `tokenId` token must exist and be owned by `from`.\n - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n Emits a {Transfer} event." }, "functionSelector": "b88d4fde", "id": 1450, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nameLocation": "1818:16:12", "nodeType": "FunctionDefinition", "parameters": { "id": 1448, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1441, "mutability": "mutable", "name": "from", "nameLocation": "1852:4:12", "nodeType": "VariableDeclaration", "scope": 1450, "src": "1844:12:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1440, "name": "address", "nodeType": "ElementaryTypeName", "src": "1844:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1443, "mutability": "mutable", "name": "to", "nameLocation": "1874:2:12", "nodeType": "VariableDeclaration", "scope": 1450, "src": "1866:10:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1442, "name": "address", "nodeType": "ElementaryTypeName", "src": "1866:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1445, "mutability": "mutable", "name": "tokenId", "nameLocation": "1894:7:12", "nodeType": "VariableDeclaration", "scope": 1450, "src": "1886:15:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1444, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1886:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 1447, "mutability": "mutable", "name": "data", "nameLocation": "1926:4:12", "nodeType": "VariableDeclaration", "scope": 1450, "src": "1911:19:12", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 1446, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1911:5:12", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "1834:102:12" }, "returnParameters": { "id": 1449, "nodeType": "ParameterList", "parameters": [], "src": "1945:0:12" }, "scope": 1505, "src": "1809:137:12", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1451, "nodeType": "StructuredDocumentation", "src": "1952:687:12", "text": " @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n are aware of the ERC721 protocol to prevent tokens from being forever locked.\n Requirements:\n - `from` cannot be the zero address.\n - `to` cannot be the zero address.\n - `tokenId` token must exist and be owned by `from`.\n - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n Emits a {Transfer} event." }, "functionSelector": "42842e0e", "id": 1460, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nameLocation": "2653:16:12", "nodeType": "FunctionDefinition", "parameters": { "id": 1458, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1453, "mutability": "mutable", "name": "from", "nameLocation": "2687:4:12", "nodeType": "VariableDeclaration", "scope": 1460, "src": "2679:12:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1452, "name": "address", "nodeType": "ElementaryTypeName", "src": "2679:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1455, "mutability": "mutable", "name": "to", "nameLocation": "2709:2:12", "nodeType": "VariableDeclaration", "scope": 1460, "src": "2701:10:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1454, "name": "address", "nodeType": "ElementaryTypeName", "src": "2701:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1457, "mutability": "mutable", "name": "tokenId", "nameLocation": "2729:7:12", "nodeType": "VariableDeclaration", "scope": 1460, "src": "2721:15:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1456, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2721:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2669:73:12" }, "returnParameters": { "id": 1459, "nodeType": "ParameterList", "parameters": [], "src": "2751:0:12" }, "scope": 1505, "src": "2644:108:12", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1461, "nodeType": "StructuredDocumentation", "src": "2758:732:12", "text": " @dev Transfers `tokenId` token from `from` to `to`.\n WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721\n or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must\n understand this adds an external call which potentially creates a reentrancy vulnerability.\n Requirements:\n - `from` cannot be the zero address.\n - `to` cannot be the zero address.\n - `tokenId` token must be owned by `from`.\n - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n Emits a {Transfer} event." }, "functionSelector": "23b872dd", "id": 1470, "implemented": false, "kind": "function", "modifiers": [], "name": "transferFrom", "nameLocation": "3504:12:12", "nodeType": "FunctionDefinition", "parameters": { "id": 1468, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1463, "mutability": "mutable", "name": "from", "nameLocation": "3534:4:12", "nodeType": "VariableDeclaration", "scope": 1470, "src": "3526:12:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1462, "name": "address", "nodeType": "ElementaryTypeName", "src": "3526:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1465, "mutability": "mutable", "name": "to", "nameLocation": "3556:2:12", "nodeType": "VariableDeclaration", "scope": 1470, "src": "3548:10:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1464, "name": "address", "nodeType": "ElementaryTypeName", "src": "3548:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1467, "mutability": "mutable", "name": "tokenId", "nameLocation": "3576:7:12", "nodeType": "VariableDeclaration", "scope": 1470, "src": "3568:15:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1466, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3568:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3516:73:12" }, "returnParameters": { "id": 1469, "nodeType": "ParameterList", "parameters": [], "src": "3598:0:12" }, "scope": 1505, "src": "3495:104:12", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1471, "nodeType": "StructuredDocumentation", "src": "3605:452:12", "text": " @dev Gives permission to `to` to transfer `tokenId` token to another account.\n The approval is cleared when the token is transferred.\n Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n Requirements:\n - The caller must own the token or be an approved operator.\n - `tokenId` must exist.\n Emits an {Approval} event." }, "functionSelector": "095ea7b3", "id": 1478, "implemented": false, "kind": "function", "modifiers": [], "name": "approve", "nameLocation": "4071:7:12", "nodeType": "FunctionDefinition", "parameters": { "id": 1476, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1473, "mutability": "mutable", "name": "to", "nameLocation": "4087:2:12", "nodeType": "VariableDeclaration", "scope": 1478, "src": "4079:10:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1472, "name": "address", "nodeType": "ElementaryTypeName", "src": "4079:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1475, "mutability": "mutable", "name": "tokenId", "nameLocation": "4099:7:12", "nodeType": "VariableDeclaration", "scope": 1478, "src": "4091:15:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1474, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4091:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "4078:29:12" }, "returnParameters": { "id": 1477, "nodeType": "ParameterList", "parameters": [], "src": "4116:0:12" }, "scope": 1505, "src": "4062:55:12", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1479, "nodeType": "StructuredDocumentation", "src": "4123:309:12", "text": " @dev Approve or remove `operator` as an operator for the caller.\n Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n Requirements:\n - The `operator` cannot be the caller.\n Emits an {ApprovalForAll} event." }, "functionSelector": "a22cb465", "id": 1486, "implemented": false, "kind": "function", "modifiers": [], "name": "setApprovalForAll", "nameLocation": "4446:17:12", "nodeType": "FunctionDefinition", "parameters": { "id": 1484, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1481, "mutability": "mutable", "name": "operator", "nameLocation": "4472:8:12", "nodeType": "VariableDeclaration", "scope": 1486, "src": "4464:16:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1480, "name": "address", "nodeType": "ElementaryTypeName", "src": "4464:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1483, "mutability": "mutable", "name": "_approved", "nameLocation": "4487:9:12", "nodeType": "VariableDeclaration", "scope": 1486, "src": "4482:14:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1482, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4482:4:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "4463:34:12" }, "returnParameters": { "id": 1485, "nodeType": "ParameterList", "parameters": [], "src": "4506:0:12" }, "scope": 1505, "src": "4437:70:12", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1487, "nodeType": "StructuredDocumentation", "src": "4513:139:12", "text": " @dev Returns the account approved for `tokenId` token.\n Requirements:\n - `tokenId` must exist." }, "functionSelector": "081812fc", "id": 1494, "implemented": false, "kind": "function", "modifiers": [], "name": "getApproved", "nameLocation": "4666:11:12", "nodeType": "FunctionDefinition", "parameters": { "id": 1490, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1489, "mutability": "mutable", "name": "tokenId", "nameLocation": "4686:7:12", "nodeType": "VariableDeclaration", "scope": 1494, "src": "4678:15:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1488, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4678:7:12", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "4677:17:12" }, "returnParameters": { "id": 1493, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1492, "mutability": "mutable", "name": "operator", "nameLocation": "4726:8:12", "nodeType": "VariableDeclaration", "scope": 1494, "src": "4718:16:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1491, "name": "address", "nodeType": "ElementaryTypeName", "src": "4718:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "4717:18:12" }, "scope": 1505, "src": "4657:79:12", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1495, "nodeType": "StructuredDocumentation", "src": "4742:138:12", "text": " @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n See {setApprovalForAll}" }, "functionSelector": "e985e9c5", "id": 1504, "implemented": false, "kind": "function", "modifiers": [], "name": "isApprovedForAll", "nameLocation": "4894:16:12", "nodeType": "FunctionDefinition", "parameters": { "id": 1500, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1497, "mutability": "mutable", "name": "owner", "nameLocation": "4919:5:12", "nodeType": "VariableDeclaration", "scope": 1504, "src": "4911:13:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1496, "name": "address", "nodeType": "ElementaryTypeName", "src": "4911:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1499, "mutability": "mutable", "name": "operator", "nameLocation": "4934:8:12", "nodeType": "VariableDeclaration", "scope": 1504, "src": "4926:16:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1498, "name": "address", "nodeType": "ElementaryTypeName", "src": "4926:7:12", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "4910:33:12" }, "returnParameters": { "id": 1503, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1502, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 1504, "src": "4967:4:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1501, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4967:4:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "4966:6:12" }, "scope": 1505, "src": "4885:88:12", "stateMutability": "view", "virtual": false, "visibility": "external" } ], "scope": 1506, "src": "250:4725:12", "usedErrors": [] } ], "src": "108:4868:12" }, "compiler": { "name": "solc", "version": "0.8.19+commit.7dd6d404.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.12", "updatedAt": "2023-03-22T17:07:39.581Z", "devdoc": { "details": "Required interface of an ERC721 compliant contract.", "events": { "Approval(address,address,uint256)": { "details": "Emitted when `owner` enables `approved` to manage the `tokenId` token." }, "ApprovalForAll(address,address,bool)": { "details": "Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets." }, "Transfer(address,address,uint256)": { "details": "Emitted when `tokenId` token is transferred from `from` to `to`." } }, "kind": "dev", "methods": { "approve(address,uint256)": { "details": "Gives permission to `to` to transfer `tokenId` token to another account. The approval is cleared when the token is transferred. Only a single account can be approved at a time, so approving the zero address clears previous approvals. Requirements: - The caller must own the token or be an approved operator. - `tokenId` must exist. Emits an {Approval} event." }, "balanceOf(address)": { "details": "Returns the number of tokens in ``owner``'s account." }, "getApproved(uint256)": { "details": "Returns the account approved for `tokenId` token. Requirements: - `tokenId` must exist." }, "isApprovedForAll(address,address)": { "details": "Returns if the `operator` is allowed to manage all of the assets of `owner`. See {setApprovalForAll}" }, "ownerOf(uint256)": { "details": "Returns the owner of the `tokenId` token. Requirements: - `tokenId` must exist." }, "safeTransferFrom(address,address,uint256)": { "details": "Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients are aware of the ERC721 protocol to prevent tokens from being forever locked. Requirements: - `from` cannot be the zero address. - `to` cannot be the zero address. - `tokenId` token must exist and be owned by `from`. - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. Emits a {Transfer} event." }, "safeTransferFrom(address,address,uint256,bytes)": { "details": "Safely transfers `tokenId` token from `from` to `to`. Requirements: - `from` cannot be the zero address. - `to` cannot be the zero address. - `tokenId` token must exist and be owned by `from`. - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. Emits a {Transfer} event." }, "setApprovalForAll(address,bool)": { "details": "Approve or remove `operator` as an operator for the caller. Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. Requirements: - The `operator` cannot be the caller. Emits an {ApprovalForAll} event." }, "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 `tokenId` token from `from` to `to`. WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must understand this adds an external call which potentially creates a reentrancy vulnerability. Requirements: - `from` cannot be the zero address. - `to` cannot be the zero address. - `tokenId` token must be owned by `from`. - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. Emits a {Transfer} event." } }, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }