{ "contractName": "IERC721Enumerable", "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" }, { "inputs": [], "name": "totalSupply", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "uint256", "name": "index", "type": "uint256" } ], "name": "tokenOfOwnerByIndex", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "index", "type": "uint256" } ], "name": "tokenByIndex", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "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\":\"uint256\",\"name\":\"index\",\"type\":\"uint256\"}],\"name\":\"tokenByIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"index\",\"type\":\"uint256\"}],\"name\":\"tokenOfOwnerByIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"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\":\"See https://eips.ethereum.org/EIPS/eip-721\",\"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.\"},\"tokenByIndex(uint256)\":{\"details\":\"Returns a token ID at a given `index` of all the tokens stored by the contract. Use along with {totalSupply} to enumerate all tokens.\"},\"tokenOfOwnerByIndex(address,uint256)\":{\"details\":\"Returns a token ID owned by `owner` at a given `index` of its token list. Use along with {balanceOf} to enumerate all of ``owner``'s tokens.\"},\"totalSupply()\":{\"details\":\"Returns the total amount of tokens stored by the contract.\"},\"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.\"}},\"title\":\"ERC-721 Non-Fungible Token Standard, optional enumeration extension\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol\":\"IERC721Enumerable\"},\"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/token/ERC721/extensions/IERC721Enumerable.sol\":{\"keccak256\":\"0xd1556954440b31c97a142c6ba07d5cade45f96fafd52091d33a14ebe365aecbf\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://26fef835622b46a5ba08b3ef6b46a22e94b5f285d0f0fb66b703bd30217d2c34\",\"dweb:/ipfs/QmZ548qdwfL1qF7aXz3xh1GCdTiST81kGGuKRqVUfYmPZR\"]},\"@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 v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Enumerable is IERC721 {\n /**\n * @dev Returns the total amount of tokens stored by the contract.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns a token ID owned by `owner` at a given `index` of its token list.\n * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.\n */\n function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);\n\n /**\n * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.\n * Use along with {totalSupply} to enumerate all tokens.\n */\n function tokenByIndex(uint256 index) external view returns (uint256);\n}\n", "sourcePath": "@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol", "ast": { "absolutePath": "@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol", "exportedSymbols": { "IERC165": [ 2338 ], "IERC721": [ 1505 ], "IERC721Enumerable": [ 1554 ] }, "id": 1555, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 1525, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "129:23:14" }, { "absolutePath": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "file": "../IERC721.sol", "id": 1526, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 1555, "sourceUnit": 1506, "src": "154:24:14", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 1528, "name": "IERC721", "nameLocations": [ "348:7:14" ], "nodeType": "IdentifierPath", "referencedDeclaration": 1505, "src": "348:7:14" }, "id": 1529, "nodeType": "InheritanceSpecifier", "src": "348:7:14" } ], "canonicalName": "IERC721Enumerable", "contractDependencies": [], "contractKind": "interface", "documentation": { "id": 1527, "nodeType": "StructuredDocumentation", "src": "180:136:14", "text": " @title ERC-721 Non-Fungible Token Standard, optional enumeration extension\n @dev See https://eips.ethereum.org/EIPS/eip-721" }, "fullyImplemented": false, "id": 1554, "linearizedBaseContracts": [ 1554, 1505, 2338 ], "name": "IERC721Enumerable", "nameLocation": "327:17:14", "nodeType": "ContractDefinition", "nodes": [ { "documentation": { "id": 1530, "nodeType": "StructuredDocumentation", "src": "362:82:14", "text": " @dev Returns the total amount of tokens stored by the contract." }, "functionSelector": "18160ddd", "id": 1535, "implemented": false, "kind": "function", "modifiers": [], "name": "totalSupply", "nameLocation": "458:11:14", "nodeType": "FunctionDefinition", "parameters": { "id": 1531, "nodeType": "ParameterList", "parameters": [], "src": "469:2:14" }, "returnParameters": { "id": 1534, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1533, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 1535, "src": "495:7:14", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1532, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "495:7:14", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "494:9:14" }, "scope": 1554, "src": "449:55:14", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1536, "nodeType": "StructuredDocumentation", "src": "510:171:14", "text": " @dev Returns a token ID owned by `owner` at a given `index` of its token list.\n Use along with {balanceOf} to enumerate all of ``owner``'s tokens." }, "functionSelector": "2f745c59", "id": 1545, "implemented": false, "kind": "function", "modifiers": [], "name": "tokenOfOwnerByIndex", "nameLocation": "695:19:14", "nodeType": "FunctionDefinition", "parameters": { "id": 1541, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1538, "mutability": "mutable", "name": "owner", "nameLocation": "723:5:14", "nodeType": "VariableDeclaration", "scope": 1545, "src": "715:13:14", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1537, "name": "address", "nodeType": "ElementaryTypeName", "src": "715:7:14", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1540, "mutability": "mutable", "name": "index", "nameLocation": "738:5:14", "nodeType": "VariableDeclaration", "scope": 1545, "src": "730:13:14", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1539, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "730:7:14", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "714:30:14" }, "returnParameters": { "id": 1544, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1543, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 1545, "src": "768:7:14", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1542, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "768:7:14", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "767:9:14" }, "scope": 1554, "src": "686:91:14", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1546, "nodeType": "StructuredDocumentation", "src": "783:164:14", "text": " @dev Returns a token ID at a given `index` of all the tokens stored by the contract.\n Use along with {totalSupply} to enumerate all tokens." }, "functionSelector": "4f6ccce7", "id": 1553, "implemented": false, "kind": "function", "modifiers": [], "name": "tokenByIndex", "nameLocation": "961:12:14", "nodeType": "FunctionDefinition", "parameters": { "id": 1549, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1548, "mutability": "mutable", "name": "index", "nameLocation": "982:5:14", "nodeType": "VariableDeclaration", "scope": 1553, "src": "974:13:14", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1547, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "974:7:14", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "973:15:14" }, "returnParameters": { "id": 1552, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1551, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 1553, "src": "1012:7:14", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1550, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1012:7:14", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1011:9:14" }, "scope": 1554, "src": "952:69:14", "stateMutability": "view", "virtual": false, "visibility": "external" } ], "scope": 1555, "src": "317:706:14", "usedErrors": [] } ], "src": "129:895:14" }, "compiler": { "name": "solc", "version": "0.8.19+commit.7dd6d404.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.12", "updatedAt": "2023-03-22T17:07:39.583Z", "devdoc": { "details": "See https://eips.ethereum.org/EIPS/eip-721", "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." }, "tokenByIndex(uint256)": { "details": "Returns a token ID at a given `index` of all the tokens stored by the contract. Use along with {totalSupply} to enumerate all tokens." }, "tokenOfOwnerByIndex(address,uint256)": { "details": "Returns a token ID owned by `owner` at a given `index` of its token list. Use along with {balanceOf} to enumerate all of ``owner``'s tokens." }, "totalSupply()": { "details": "Returns the total amount of tokens stored by the contract." }, "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." } }, "title": "ERC-721 Non-Fungible Token Standard, optional enumeration extension", "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }