{ "contractName": "IERC721", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "approved", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "operator", "type": "address" }, { "indexed": false, "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "ApprovalForAll", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "from", "type": "address" }, { "indexed": true, "internalType": "address", "name": "to", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "inputs": [ { "internalType": "bytes4", "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "balance", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "ownerOf", "outputs": [ { "internalType": "address", "name": "owner", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "transferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "approve", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "getApproved", "outputs": [ { "internalType": "address", "name": "operator", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "operator", "type": "address" }, { "internalType": "bool", "name": "_approved", "type": "bool" } ], "name": "setApprovalForAll", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "operator", "type": "address" } ], "name": "isApprovedForAll", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "safeTransferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "safeTransferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.0+commit.c7dfd78e\"},\"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 be 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: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. 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\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0xf101e8720213560fab41104d53b3cc7ba0456ef3a98455aa7f022391783144a0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://3e7820bcf567e6892d937c3cb10db263a4042e446799bca602535868d822384e\",\"dweb:/ipfs/QmPG2oeDjKncqsEeyYGjAN7CwAJmMgHterXGGnpzhha4z7\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0xa28007762d9da9db878dd421960c8cb9a10471f47ab5c1b3309bfe48e9e79ff4\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://796ab6e88af7bf0e78def0f059310c903af6a312b565344e0ff524a0f26e81c6\",\"dweb:/ipfs/QmcsVgLgzWdor3UnAztUkXKNGcysm1MPneWksF72AvnwBx\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\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`, 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 be 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: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\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 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 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 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 /**\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", "sourcePath": "@openzeppelin\\contracts\\token\\ERC721\\IERC721.sol", "ast": { "absolutePath": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "exportedSymbols": { "IERC165": [ 2142 ], "IERC721": [ 1337 ] }, "id": 1338, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 1223, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:23:4" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/IERC165.sol", "file": "../../utils/introspection/IERC165.sol", "id": 1224, "nodeType": "ImportDirective", "scope": 1338, "sourceUnit": 2143, "src": "58:47:4", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 1226, "name": "IERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 2142, "src": "196:7:4" }, "id": 1227, "nodeType": "InheritanceSpecifier", "src": "196:7:4" } ], "contractDependencies": [ 2142 ], "contractKind": "interface", "documentation": { "id": 1225, "nodeType": "StructuredDocumentation", "src": "107:67:4", "text": " @dev Required interface of an ERC721 compliant contract." }, "fullyImplemented": false, "id": 1337, "linearizedBaseContracts": [ 1337, 2142 ], "name": "IERC721", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": { "id": 1228, "nodeType": "StructuredDocumentation", "src": "210:88:4", "text": " @dev Emitted when `tokenId` token is transferred from `from` to `to`." }, "id": 1236, "name": "Transfer", "nodeType": "EventDefinition", "parameters": { "id": 1235, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1230, "indexed": true, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 1236, "src": "318:20:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1229, "name": "address", "nodeType": "ElementaryTypeName", "src": "318:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1232, "indexed": true, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 1236, "src": "340:18:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1231, "name": "address", "nodeType": "ElementaryTypeName", "src": "340:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1234, "indexed": true, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1236, "src": "360:23:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1233, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "360:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "317:67:4" }, "src": "303:82:4" }, { "anonymous": false, "documentation": { "id": 1237, "nodeType": "StructuredDocumentation", "src": "391:94:4", "text": " @dev Emitted when `owner` enables `approved` to manage the `tokenId` token." }, "id": 1245, "name": "Approval", "nodeType": "EventDefinition", "parameters": { "id": 1244, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1239, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 1245, "src": "505:21:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1238, "name": "address", "nodeType": "ElementaryTypeName", "src": "505:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1241, "indexed": true, "mutability": "mutable", "name": "approved", "nodeType": "VariableDeclaration", "scope": 1245, "src": "528:24:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1240, "name": "address", "nodeType": "ElementaryTypeName", "src": "528:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1243, "indexed": true, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1245, "src": "554:23:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1242, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "554:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "504:74:4" }, "src": "490:89:4" }, { "anonymous": false, "documentation": { "id": 1246, "nodeType": "StructuredDocumentation", "src": "585:117:4", "text": " @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets." }, "id": 1254, "name": "ApprovalForAll", "nodeType": "EventDefinition", "parameters": { "id": 1253, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1248, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 1254, "src": "728:21:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1247, "name": "address", "nodeType": "ElementaryTypeName", "src": "728:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1250, "indexed": true, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 1254, "src": "751:24:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1249, "name": "address", "nodeType": "ElementaryTypeName", "src": "751:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1252, "indexed": false, "mutability": "mutable", "name": "approved", "nodeType": "VariableDeclaration", "scope": 1254, "src": "777:13:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1251, "name": "bool", "nodeType": "ElementaryTypeName", "src": "777:4:4", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "727:64:4" }, "src": "707:85:4" }, { "documentation": { "id": 1255, "nodeType": "StructuredDocumentation", "src": "798:76:4", "text": " @dev Returns the number of tokens in ``owner``'s account." }, "functionSelector": "70a08231", "id": 1262, "implemented": false, "kind": "function", "modifiers": [], "name": "balanceOf", "nodeType": "FunctionDefinition", "parameters": { "id": 1258, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1257, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 1262, "src": "898:13:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1256, "name": "address", "nodeType": "ElementaryTypeName", "src": "898:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "897:15:4" }, "returnParameters": { "id": 1261, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1260, "mutability": "mutable", "name": "balance", "nodeType": "VariableDeclaration", "scope": 1262, "src": "936:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1259, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "936:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "935:17:4" }, "scope": 1337, "src": "879:74:4", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1263, "nodeType": "StructuredDocumentation", "src": "959:131:4", "text": " @dev Returns the owner of the `tokenId` token.\n Requirements:\n - `tokenId` must exist." }, "functionSelector": "6352211e", "id": 1270, "implemented": false, "kind": "function", "modifiers": [], "name": "ownerOf", "nodeType": "FunctionDefinition", "parameters": { "id": 1266, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1265, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1270, "src": "1112:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1264, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1112:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1111:17:4" }, "returnParameters": { "id": 1269, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1268, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 1270, "src": "1152:13:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1267, "name": "address", "nodeType": "ElementaryTypeName", "src": "1152:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1151:15:4" }, "scope": 1337, "src": "1095:72:4", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1271, "nodeType": "StructuredDocumentation", "src": "1173:690:4", "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 be 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": 1280, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 1278, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1273, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 1280, "src": "1903:12:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1272, "name": "address", "nodeType": "ElementaryTypeName", "src": "1903:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1275, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 1280, "src": "1925:10:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1274, "name": "address", "nodeType": "ElementaryTypeName", "src": "1925:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1277, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1280, "src": "1945:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1276, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1945:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1893:73:4" }, "returnParameters": { "id": 1279, "nodeType": "ParameterList", "parameters": [], "src": "1975:0:4" }, "scope": 1337, "src": "1868:108:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1281, "nodeType": "StructuredDocumentation", "src": "1982:504:4", "text": " @dev Transfers `tokenId` token from `from` to `to`.\n WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\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": 1290, "implemented": false, "kind": "function", "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 1288, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1283, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 1290, "src": "2522:12:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1282, "name": "address", "nodeType": "ElementaryTypeName", "src": "2522:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1285, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 1290, "src": "2544:10:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1284, "name": "address", "nodeType": "ElementaryTypeName", "src": "2544:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1287, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1290, "src": "2564:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1286, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2564:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2512:73:4" }, "returnParameters": { "id": 1289, "nodeType": "ParameterList", "parameters": [], "src": "2594:0:4" }, "scope": 1337, "src": "2491:104:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1291, "nodeType": "StructuredDocumentation", "src": "2601:452:4", "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": 1298, "implemented": false, "kind": "function", "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 1296, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1293, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 1298, "src": "3075:10:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1292, "name": "address", "nodeType": "ElementaryTypeName", "src": "3075:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1295, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1298, "src": "3087:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1294, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3087:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3074:29:4" }, "returnParameters": { "id": 1297, "nodeType": "ParameterList", "parameters": [], "src": "3112:0:4" }, "scope": 1337, "src": "3058:55:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1299, "nodeType": "StructuredDocumentation", "src": "3119:139:4", "text": " @dev Returns the account approved for `tokenId` token.\n Requirements:\n - `tokenId` must exist." }, "functionSelector": "081812fc", "id": 1306, "implemented": false, "kind": "function", "modifiers": [], "name": "getApproved", "nodeType": "FunctionDefinition", "parameters": { "id": 1302, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1301, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1306, "src": "3284:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1300, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3284:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3283:17:4" }, "returnParameters": { "id": 1305, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1304, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 1306, "src": "3324:16:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1303, "name": "address", "nodeType": "ElementaryTypeName", "src": "3324:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "3323:18:4" }, "scope": 1337, "src": "3263:79:4", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1307, "nodeType": "StructuredDocumentation", "src": "3348:309:4", "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": 1314, "implemented": false, "kind": "function", "modifiers": [], "name": "setApprovalForAll", "nodeType": "FunctionDefinition", "parameters": { "id": 1312, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1309, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 1314, "src": "3689:16:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1308, "name": "address", "nodeType": "ElementaryTypeName", "src": "3689:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1311, "mutability": "mutable", "name": "_approved", "nodeType": "VariableDeclaration", "scope": 1314, "src": "3707:14:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1310, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3707:4:4", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3688:34:4" }, "returnParameters": { "id": 1313, "nodeType": "ParameterList", "parameters": [], "src": "3731:0:4" }, "scope": 1337, "src": "3662:70:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1315, "nodeType": "StructuredDocumentation", "src": "3738:138:4", "text": " @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n See {setApprovalForAll}" }, "functionSelector": "e985e9c5", "id": 1324, "implemented": false, "kind": "function", "modifiers": [], "name": "isApprovedForAll", "nodeType": "FunctionDefinition", "parameters": { "id": 1320, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1317, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 1324, "src": "3907:13:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1316, "name": "address", "nodeType": "ElementaryTypeName", "src": "3907:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1319, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 1324, "src": "3922:16:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1318, "name": "address", "nodeType": "ElementaryTypeName", "src": "3922:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "3906:33:4" }, "returnParameters": { "id": 1323, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1322, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 1324, "src": "3963:4:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1321, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3963:4:4", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3962:6:4" }, "scope": 1337, "src": "3881:88:4", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1325, "nodeType": "StructuredDocumentation", "src": "3975:556:4", "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": 1336, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 1334, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1327, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 1336, "src": "4571:12:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1326, "name": "address", "nodeType": "ElementaryTypeName", "src": "4571:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1329, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 1336, "src": "4593:10:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1328, "name": "address", "nodeType": "ElementaryTypeName", "src": "4593:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1331, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1336, "src": "4613:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1330, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4613:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 1333, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "scope": 1336, "src": "4638:19:4", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 1332, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4638:5:4", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "4561:102:4" }, "returnParameters": { "id": 1335, "nodeType": "ParameterList", "parameters": [], "src": "4672:0:4" }, "scope": 1337, "src": "4536:137:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" } ], "scope": 1338, "src": "175:4500:4" } ], "src": "33:4643:4" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "exportedSymbols": { "IERC165": [ 2142 ], "IERC721": [ 1337 ] }, "id": 1338, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 1223, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:23:4" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/IERC165.sol", "file": "../../utils/introspection/IERC165.sol", "id": 1224, "nodeType": "ImportDirective", "scope": 1338, "sourceUnit": 2143, "src": "58:47:4", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 1226, "name": "IERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 2142, "src": "196:7:4" }, "id": 1227, "nodeType": "InheritanceSpecifier", "src": "196:7:4" } ], "contractDependencies": [ 2142 ], "contractKind": "interface", "documentation": { "id": 1225, "nodeType": "StructuredDocumentation", "src": "107:67:4", "text": " @dev Required interface of an ERC721 compliant contract." }, "fullyImplemented": false, "id": 1337, "linearizedBaseContracts": [ 1337, 2142 ], "name": "IERC721", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": { "id": 1228, "nodeType": "StructuredDocumentation", "src": "210:88:4", "text": " @dev Emitted when `tokenId` token is transferred from `from` to `to`." }, "id": 1236, "name": "Transfer", "nodeType": "EventDefinition", "parameters": { "id": 1235, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1230, "indexed": true, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 1236, "src": "318:20:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1229, "name": "address", "nodeType": "ElementaryTypeName", "src": "318:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1232, "indexed": true, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 1236, "src": "340:18:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1231, "name": "address", "nodeType": "ElementaryTypeName", "src": "340:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1234, "indexed": true, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1236, "src": "360:23:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1233, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "360:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "317:67:4" }, "src": "303:82:4" }, { "anonymous": false, "documentation": { "id": 1237, "nodeType": "StructuredDocumentation", "src": "391:94:4", "text": " @dev Emitted when `owner` enables `approved` to manage the `tokenId` token." }, "id": 1245, "name": "Approval", "nodeType": "EventDefinition", "parameters": { "id": 1244, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1239, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 1245, "src": "505:21:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1238, "name": "address", "nodeType": "ElementaryTypeName", "src": "505:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1241, "indexed": true, "mutability": "mutable", "name": "approved", "nodeType": "VariableDeclaration", "scope": 1245, "src": "528:24:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1240, "name": "address", "nodeType": "ElementaryTypeName", "src": "528:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1243, "indexed": true, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1245, "src": "554:23:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1242, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "554:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "504:74:4" }, "src": "490:89:4" }, { "anonymous": false, "documentation": { "id": 1246, "nodeType": "StructuredDocumentation", "src": "585:117:4", "text": " @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets." }, "id": 1254, "name": "ApprovalForAll", "nodeType": "EventDefinition", "parameters": { "id": 1253, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1248, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 1254, "src": "728:21:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1247, "name": "address", "nodeType": "ElementaryTypeName", "src": "728:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1250, "indexed": true, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 1254, "src": "751:24:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1249, "name": "address", "nodeType": "ElementaryTypeName", "src": "751:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1252, "indexed": false, "mutability": "mutable", "name": "approved", "nodeType": "VariableDeclaration", "scope": 1254, "src": "777:13:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1251, "name": "bool", "nodeType": "ElementaryTypeName", "src": "777:4:4", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "727:64:4" }, "src": "707:85:4" }, { "documentation": { "id": 1255, "nodeType": "StructuredDocumentation", "src": "798:76:4", "text": " @dev Returns the number of tokens in ``owner``'s account." }, "functionSelector": "70a08231", "id": 1262, "implemented": false, "kind": "function", "modifiers": [], "name": "balanceOf", "nodeType": "FunctionDefinition", "parameters": { "id": 1258, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1257, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 1262, "src": "898:13:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1256, "name": "address", "nodeType": "ElementaryTypeName", "src": "898:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "897:15:4" }, "returnParameters": { "id": 1261, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1260, "mutability": "mutable", "name": "balance", "nodeType": "VariableDeclaration", "scope": 1262, "src": "936:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1259, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "936:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "935:17:4" }, "scope": 1337, "src": "879:74:4", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1263, "nodeType": "StructuredDocumentation", "src": "959:131:4", "text": " @dev Returns the owner of the `tokenId` token.\n Requirements:\n - `tokenId` must exist." }, "functionSelector": "6352211e", "id": 1270, "implemented": false, "kind": "function", "modifiers": [], "name": "ownerOf", "nodeType": "FunctionDefinition", "parameters": { "id": 1266, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1265, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1270, "src": "1112:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1264, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1112:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1111:17:4" }, "returnParameters": { "id": 1269, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1268, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 1270, "src": "1152:13:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1267, "name": "address", "nodeType": "ElementaryTypeName", "src": "1152:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1151:15:4" }, "scope": 1337, "src": "1095:72:4", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1271, "nodeType": "StructuredDocumentation", "src": "1173:690:4", "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 be 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": 1280, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 1278, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1273, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 1280, "src": "1903:12:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1272, "name": "address", "nodeType": "ElementaryTypeName", "src": "1903:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1275, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 1280, "src": "1925:10:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1274, "name": "address", "nodeType": "ElementaryTypeName", "src": "1925:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1277, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1280, "src": "1945:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1276, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1945:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1893:73:4" }, "returnParameters": { "id": 1279, "nodeType": "ParameterList", "parameters": [], "src": "1975:0:4" }, "scope": 1337, "src": "1868:108:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1281, "nodeType": "StructuredDocumentation", "src": "1982:504:4", "text": " @dev Transfers `tokenId` token from `from` to `to`.\n WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\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": 1290, "implemented": false, "kind": "function", "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 1288, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1283, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 1290, "src": "2522:12:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1282, "name": "address", "nodeType": "ElementaryTypeName", "src": "2522:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1285, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 1290, "src": "2544:10:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1284, "name": "address", "nodeType": "ElementaryTypeName", "src": "2544:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1287, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1290, "src": "2564:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1286, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2564:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2512:73:4" }, "returnParameters": { "id": 1289, "nodeType": "ParameterList", "parameters": [], "src": "2594:0:4" }, "scope": 1337, "src": "2491:104:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1291, "nodeType": "StructuredDocumentation", "src": "2601:452:4", "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": 1298, "implemented": false, "kind": "function", "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 1296, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1293, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 1298, "src": "3075:10:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1292, "name": "address", "nodeType": "ElementaryTypeName", "src": "3075:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1295, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1298, "src": "3087:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1294, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3087:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3074:29:4" }, "returnParameters": { "id": 1297, "nodeType": "ParameterList", "parameters": [], "src": "3112:0:4" }, "scope": 1337, "src": "3058:55:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1299, "nodeType": "StructuredDocumentation", "src": "3119:139:4", "text": " @dev Returns the account approved for `tokenId` token.\n Requirements:\n - `tokenId` must exist." }, "functionSelector": "081812fc", "id": 1306, "implemented": false, "kind": "function", "modifiers": [], "name": "getApproved", "nodeType": "FunctionDefinition", "parameters": { "id": 1302, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1301, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1306, "src": "3284:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1300, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3284:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3283:17:4" }, "returnParameters": { "id": 1305, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1304, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 1306, "src": "3324:16:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1303, "name": "address", "nodeType": "ElementaryTypeName", "src": "3324:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "3323:18:4" }, "scope": 1337, "src": "3263:79:4", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1307, "nodeType": "StructuredDocumentation", "src": "3348:309:4", "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": 1314, "implemented": false, "kind": "function", "modifiers": [], "name": "setApprovalForAll", "nodeType": "FunctionDefinition", "parameters": { "id": 1312, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1309, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 1314, "src": "3689:16:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1308, "name": "address", "nodeType": "ElementaryTypeName", "src": "3689:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1311, "mutability": "mutable", "name": "_approved", "nodeType": "VariableDeclaration", "scope": 1314, "src": "3707:14:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1310, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3707:4:4", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3688:34:4" }, "returnParameters": { "id": 1313, "nodeType": "ParameterList", "parameters": [], "src": "3731:0:4" }, "scope": 1337, "src": "3662:70:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1315, "nodeType": "StructuredDocumentation", "src": "3738:138:4", "text": " @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n See {setApprovalForAll}" }, "functionSelector": "e985e9c5", "id": 1324, "implemented": false, "kind": "function", "modifiers": [], "name": "isApprovedForAll", "nodeType": "FunctionDefinition", "parameters": { "id": 1320, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1317, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 1324, "src": "3907:13:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1316, "name": "address", "nodeType": "ElementaryTypeName", "src": "3907:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1319, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 1324, "src": "3922:16:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1318, "name": "address", "nodeType": "ElementaryTypeName", "src": "3922:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "3906:33:4" }, "returnParameters": { "id": 1323, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1322, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 1324, "src": "3963:4:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1321, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3963:4:4", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3962:6:4" }, "scope": 1337, "src": "3881:88:4", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 1325, "nodeType": "StructuredDocumentation", "src": "3975:556:4", "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": 1336, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 1334, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1327, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 1336, "src": "4571:12:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1326, "name": "address", "nodeType": "ElementaryTypeName", "src": "4571:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1329, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 1336, "src": "4593:10:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1328, "name": "address", "nodeType": "ElementaryTypeName", "src": "4593:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 1331, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 1336, "src": "4613:15:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1330, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4613:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 1333, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "scope": 1336, "src": "4638:19:4", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 1332, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4638:5:4", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "4561:102:4" }, "returnParameters": { "id": 1335, "nodeType": "ParameterList", "parameters": [], "src": "4672:0:4" }, "scope": 1337, "src": "4536:137:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" } ], "scope": 1338, "src": "175:4500:4" } ], "src": "33:4643:4" }, "compiler": { "name": "solc", "version": "0.8.0+commit.c7dfd78e.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.3", "updatedAt": "2021-11-27T07:41:30.880Z", "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 be 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: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. 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 } }