{ "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\":\"0xc1c941ad1e580b4623007305921efe2f26fc7320a4edc226234dd707c658a428\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://473e11d739868e0d9f48254ccf84ba63290d6a2321d59a37b74c244a27f9cad7\",\"dweb:/ipfs/QmUGzDmecP936jzgM7SYyGwR1YgBGsveoHHJTbDfB8jbGF\"]},\"@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(address from, address to, uint256 tokenId) 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(address from, address to, uint256 tokenId) 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(address from, address to, uint256 tokenId, bytes calldata data) external;\n}\n", "sourcePath": "@openzeppelin\\contracts\\token\\ERC721\\IERC721.sol", "ast": { "absolutePath": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "exportedSymbols": { "IERC165": [ 4320 ], "IERC721": [ 3497 ] }, "id": 3498, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 3383, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:23:6" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/IERC165.sol", "file": "../../utils/introspection/IERC165.sol", "id": 3384, "nodeType": "ImportDirective", "scope": 3498, "sourceUnit": 4321, "src": "58:47:6", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 3386, "name": "IERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 4320, "src": "196:7:6" }, "id": 3387, "nodeType": "InheritanceSpecifier", "src": "196:7:6" } ], "contractDependencies": [ 4320 ], "contractKind": "interface", "documentation": { "id": 3385, "nodeType": "StructuredDocumentation", "src": "107:67:6", "text": " @dev Required interface of an ERC721 compliant contract." }, "fullyImplemented": false, "id": 3497, "linearizedBaseContracts": [ 3497, 4320 ], "name": "IERC721", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": { "id": 3388, "nodeType": "StructuredDocumentation", "src": "210:88:6", "text": " @dev Emitted when `tokenId` token is transferred from `from` to `to`." }, "id": 3396, "name": "Transfer", "nodeType": "EventDefinition", "parameters": { "id": 3395, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3390, "indexed": true, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 3396, "src": "318:20:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3389, "name": "address", "nodeType": "ElementaryTypeName", "src": "318:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3392, "indexed": true, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 3396, "src": "340:18:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3391, "name": "address", "nodeType": "ElementaryTypeName", "src": "340:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3394, "indexed": true, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3396, "src": "360:23:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3393, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "360:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "317:67:6" }, "src": "303:82:6" }, { "anonymous": false, "documentation": { "id": 3397, "nodeType": "StructuredDocumentation", "src": "391:94:6", "text": " @dev Emitted when `owner` enables `approved` to manage the `tokenId` token." }, "id": 3405, "name": "Approval", "nodeType": "EventDefinition", "parameters": { "id": 3404, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3399, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 3405, "src": "505:21:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3398, "name": "address", "nodeType": "ElementaryTypeName", "src": "505:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3401, "indexed": true, "mutability": "mutable", "name": "approved", "nodeType": "VariableDeclaration", "scope": 3405, "src": "528:24:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3400, "name": "address", "nodeType": "ElementaryTypeName", "src": "528:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3403, "indexed": true, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3405, "src": "554:23:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3402, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "554:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "504:74:6" }, "src": "490:89:6" }, { "anonymous": false, "documentation": { "id": 3406, "nodeType": "StructuredDocumentation", "src": "585:117:6", "text": " @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets." }, "id": 3414, "name": "ApprovalForAll", "nodeType": "EventDefinition", "parameters": { "id": 3413, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3408, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 3414, "src": "728:21:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3407, "name": "address", "nodeType": "ElementaryTypeName", "src": "728:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3410, "indexed": true, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 3414, "src": "751:24:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3409, "name": "address", "nodeType": "ElementaryTypeName", "src": "751:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3412, "indexed": false, "mutability": "mutable", "name": "approved", "nodeType": "VariableDeclaration", "scope": 3414, "src": "777:13:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 3411, "name": "bool", "nodeType": "ElementaryTypeName", "src": "777:4:6", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "727:64:6" }, "src": "707:85:6" }, { "documentation": { "id": 3415, "nodeType": "StructuredDocumentation", "src": "798:76:6", "text": " @dev Returns the number of tokens in ``owner``'s account." }, "functionSelector": "70a08231", "id": 3422, "implemented": false, "kind": "function", "modifiers": [], "name": "balanceOf", "nodeType": "FunctionDefinition", "parameters": { "id": 3418, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3417, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 3422, "src": "898:13:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3416, "name": "address", "nodeType": "ElementaryTypeName", "src": "898:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "897:15:6" }, "returnParameters": { "id": 3421, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3420, "mutability": "mutable", "name": "balance", "nodeType": "VariableDeclaration", "scope": 3422, "src": "936:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3419, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "936:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "935:17:6" }, "scope": 3497, "src": "879:74:6", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3423, "nodeType": "StructuredDocumentation", "src": "959:131:6", "text": " @dev Returns the owner of the `tokenId` token.\n Requirements:\n - `tokenId` must exist." }, "functionSelector": "6352211e", "id": 3430, "implemented": false, "kind": "function", "modifiers": [], "name": "ownerOf", "nodeType": "FunctionDefinition", "parameters": { "id": 3426, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3425, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3430, "src": "1112:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3424, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1112:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1111:17:6" }, "returnParameters": { "id": 3429, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3428, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 3430, "src": "1152:13:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3427, "name": "address", "nodeType": "ElementaryTypeName", "src": "1152:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1151:15:6" }, "scope": 3497, "src": "1095:72:6", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3431, "nodeType": "StructuredDocumentation", "src": "1173:690:6", "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": 3440, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 3438, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3433, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 3440, "src": "1894:12:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3432, "name": "address", "nodeType": "ElementaryTypeName", "src": "1894:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3435, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 3440, "src": "1908:10:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3434, "name": "address", "nodeType": "ElementaryTypeName", "src": "1908:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3437, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3440, "src": "1920:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3436, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1920:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1893:43:6" }, "returnParameters": { "id": 3439, "nodeType": "ParameterList", "parameters": [], "src": "1945:0:6" }, "scope": 3497, "src": "1868:78:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3441, "nodeType": "StructuredDocumentation", "src": "1952:504:6", "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": 3450, "implemented": false, "kind": "function", "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 3448, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3443, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 3450, "src": "2483:12:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3442, "name": "address", "nodeType": "ElementaryTypeName", "src": "2483:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3445, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 3450, "src": "2497:10:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3444, "name": "address", "nodeType": "ElementaryTypeName", "src": "2497:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3447, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3450, "src": "2509:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3446, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2509:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2482:43:6" }, "returnParameters": { "id": 3449, "nodeType": "ParameterList", "parameters": [], "src": "2534:0:6" }, "scope": 3497, "src": "2461:74:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3451, "nodeType": "StructuredDocumentation", "src": "2541:452:6", "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": 3458, "implemented": false, "kind": "function", "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 3456, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3453, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 3458, "src": "3015:10:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3452, "name": "address", "nodeType": "ElementaryTypeName", "src": "3015:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3455, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3458, "src": "3027:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3454, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3027:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3014:29:6" }, "returnParameters": { "id": 3457, "nodeType": "ParameterList", "parameters": [], "src": "3052:0:6" }, "scope": 3497, "src": "2998:55:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3459, "nodeType": "StructuredDocumentation", "src": "3059:139:6", "text": " @dev Returns the account approved for `tokenId` token.\n Requirements:\n - `tokenId` must exist." }, "functionSelector": "081812fc", "id": 3466, "implemented": false, "kind": "function", "modifiers": [], "name": "getApproved", "nodeType": "FunctionDefinition", "parameters": { "id": 3462, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3461, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3466, "src": "3224:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3460, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3224:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3223:17:6" }, "returnParameters": { "id": 3465, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3464, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 3466, "src": "3264:16:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3463, "name": "address", "nodeType": "ElementaryTypeName", "src": "3264:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "3263:18:6" }, "scope": 3497, "src": "3203:79:6", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3467, "nodeType": "StructuredDocumentation", "src": "3288:309:6", "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": 3474, "implemented": false, "kind": "function", "modifiers": [], "name": "setApprovalForAll", "nodeType": "FunctionDefinition", "parameters": { "id": 3472, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3469, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 3474, "src": "3629:16:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3468, "name": "address", "nodeType": "ElementaryTypeName", "src": "3629:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3471, "mutability": "mutable", "name": "_approved", "nodeType": "VariableDeclaration", "scope": 3474, "src": "3647:14:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 3470, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3647:4:6", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3628:34:6" }, "returnParameters": { "id": 3473, "nodeType": "ParameterList", "parameters": [], "src": "3671:0:6" }, "scope": 3497, "src": "3602:70:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3475, "nodeType": "StructuredDocumentation", "src": "3678:138:6", "text": " @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n See {setApprovalForAll}" }, "functionSelector": "e985e9c5", "id": 3484, "implemented": false, "kind": "function", "modifiers": [], "name": "isApprovedForAll", "nodeType": "FunctionDefinition", "parameters": { "id": 3480, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3477, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 3484, "src": "3847:13:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3476, "name": "address", "nodeType": "ElementaryTypeName", "src": "3847:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3479, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 3484, "src": "3862:16:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3478, "name": "address", "nodeType": "ElementaryTypeName", "src": "3862:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "3846:33:6" }, "returnParameters": { "id": 3483, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3482, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 3484, "src": "3903:4:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 3481, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3903:4:6", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3902:6:6" }, "scope": 3497, "src": "3821:88:6", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3485, "nodeType": "StructuredDocumentation", "src": "3915:568:6", "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": 3496, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 3494, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3487, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 3496, "src": "4514:12:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3486, "name": "address", "nodeType": "ElementaryTypeName", "src": "4514:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3489, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 3496, "src": "4528:10:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3488, "name": "address", "nodeType": "ElementaryTypeName", "src": "4528:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3491, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3496, "src": "4540:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3490, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4540:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 3493, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "scope": 3496, "src": "4557:19:6", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 3492, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4557:5:6", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "4513:64:6" }, "returnParameters": { "id": 3495, "nodeType": "ParameterList", "parameters": [], "src": "4586:0:6" }, "scope": 3497, "src": "4488:99:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" } ], "scope": 3498, "src": "175:4414:6" } ], "src": "33:4557:6" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "exportedSymbols": { "IERC165": [ 4320 ], "IERC721": [ 3497 ] }, "id": 3498, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 3383, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:23:6" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/IERC165.sol", "file": "../../utils/introspection/IERC165.sol", "id": 3384, "nodeType": "ImportDirective", "scope": 3498, "sourceUnit": 4321, "src": "58:47:6", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 3386, "name": "IERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 4320, "src": "196:7:6" }, "id": 3387, "nodeType": "InheritanceSpecifier", "src": "196:7:6" } ], "contractDependencies": [ 4320 ], "contractKind": "interface", "documentation": { "id": 3385, "nodeType": "StructuredDocumentation", "src": "107:67:6", "text": " @dev Required interface of an ERC721 compliant contract." }, "fullyImplemented": false, "id": 3497, "linearizedBaseContracts": [ 3497, 4320 ], "name": "IERC721", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": { "id": 3388, "nodeType": "StructuredDocumentation", "src": "210:88:6", "text": " @dev Emitted when `tokenId` token is transferred from `from` to `to`." }, "id": 3396, "name": "Transfer", "nodeType": "EventDefinition", "parameters": { "id": 3395, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3390, "indexed": true, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 3396, "src": "318:20:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3389, "name": "address", "nodeType": "ElementaryTypeName", "src": "318:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3392, "indexed": true, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 3396, "src": "340:18:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3391, "name": "address", "nodeType": "ElementaryTypeName", "src": "340:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3394, "indexed": true, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3396, "src": "360:23:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3393, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "360:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "317:67:6" }, "src": "303:82:6" }, { "anonymous": false, "documentation": { "id": 3397, "nodeType": "StructuredDocumentation", "src": "391:94:6", "text": " @dev Emitted when `owner` enables `approved` to manage the `tokenId` token." }, "id": 3405, "name": "Approval", "nodeType": "EventDefinition", "parameters": { "id": 3404, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3399, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 3405, "src": "505:21:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3398, "name": "address", "nodeType": "ElementaryTypeName", "src": "505:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3401, "indexed": true, "mutability": "mutable", "name": "approved", "nodeType": "VariableDeclaration", "scope": 3405, "src": "528:24:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3400, "name": "address", "nodeType": "ElementaryTypeName", "src": "528:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3403, "indexed": true, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3405, "src": "554:23:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3402, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "554:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "504:74:6" }, "src": "490:89:6" }, { "anonymous": false, "documentation": { "id": 3406, "nodeType": "StructuredDocumentation", "src": "585:117:6", "text": " @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets." }, "id": 3414, "name": "ApprovalForAll", "nodeType": "EventDefinition", "parameters": { "id": 3413, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3408, "indexed": true, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 3414, "src": "728:21:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3407, "name": "address", "nodeType": "ElementaryTypeName", "src": "728:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3410, "indexed": true, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 3414, "src": "751:24:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3409, "name": "address", "nodeType": "ElementaryTypeName", "src": "751:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3412, "indexed": false, "mutability": "mutable", "name": "approved", "nodeType": "VariableDeclaration", "scope": 3414, "src": "777:13:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 3411, "name": "bool", "nodeType": "ElementaryTypeName", "src": "777:4:6", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "727:64:6" }, "src": "707:85:6" }, { "documentation": { "id": 3415, "nodeType": "StructuredDocumentation", "src": "798:76:6", "text": " @dev Returns the number of tokens in ``owner``'s account." }, "functionSelector": "70a08231", "id": 3422, "implemented": false, "kind": "function", "modifiers": [], "name": "balanceOf", "nodeType": "FunctionDefinition", "parameters": { "id": 3418, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3417, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 3422, "src": "898:13:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3416, "name": "address", "nodeType": "ElementaryTypeName", "src": "898:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "897:15:6" }, "returnParameters": { "id": 3421, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3420, "mutability": "mutable", "name": "balance", "nodeType": "VariableDeclaration", "scope": 3422, "src": "936:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3419, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "936:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "935:17:6" }, "scope": 3497, "src": "879:74:6", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3423, "nodeType": "StructuredDocumentation", "src": "959:131:6", "text": " @dev Returns the owner of the `tokenId` token.\n Requirements:\n - `tokenId` must exist." }, "functionSelector": "6352211e", "id": 3430, "implemented": false, "kind": "function", "modifiers": [], "name": "ownerOf", "nodeType": "FunctionDefinition", "parameters": { "id": 3426, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3425, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3430, "src": "1112:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3424, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1112:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1111:17:6" }, "returnParameters": { "id": 3429, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3428, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 3430, "src": "1152:13:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3427, "name": "address", "nodeType": "ElementaryTypeName", "src": "1152:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1151:15:6" }, "scope": 3497, "src": "1095:72:6", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3431, "nodeType": "StructuredDocumentation", "src": "1173:690:6", "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": 3440, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 3438, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3433, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 3440, "src": "1894:12:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3432, "name": "address", "nodeType": "ElementaryTypeName", "src": "1894:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3435, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 3440, "src": "1908:10:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3434, "name": "address", "nodeType": "ElementaryTypeName", "src": "1908:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3437, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3440, "src": "1920:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3436, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1920:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "1893:43:6" }, "returnParameters": { "id": 3439, "nodeType": "ParameterList", "parameters": [], "src": "1945:0:6" }, "scope": 3497, "src": "1868:78:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3441, "nodeType": "StructuredDocumentation", "src": "1952:504:6", "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": 3450, "implemented": false, "kind": "function", "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 3448, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3443, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 3450, "src": "2483:12:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3442, "name": "address", "nodeType": "ElementaryTypeName", "src": "2483:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3445, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 3450, "src": "2497:10:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3444, "name": "address", "nodeType": "ElementaryTypeName", "src": "2497:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3447, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3450, "src": "2509:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3446, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2509:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2482:43:6" }, "returnParameters": { "id": 3449, "nodeType": "ParameterList", "parameters": [], "src": "2534:0:6" }, "scope": 3497, "src": "2461:74:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3451, "nodeType": "StructuredDocumentation", "src": "2541:452:6", "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": 3458, "implemented": false, "kind": "function", "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 3456, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3453, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 3458, "src": "3015:10:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3452, "name": "address", "nodeType": "ElementaryTypeName", "src": "3015:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3455, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3458, "src": "3027:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3454, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3027:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3014:29:6" }, "returnParameters": { "id": 3457, "nodeType": "ParameterList", "parameters": [], "src": "3052:0:6" }, "scope": 3497, "src": "2998:55:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3459, "nodeType": "StructuredDocumentation", "src": "3059:139:6", "text": " @dev Returns the account approved for `tokenId` token.\n Requirements:\n - `tokenId` must exist." }, "functionSelector": "081812fc", "id": 3466, "implemented": false, "kind": "function", "modifiers": [], "name": "getApproved", "nodeType": "FunctionDefinition", "parameters": { "id": 3462, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3461, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3466, "src": "3224:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3460, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3224:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "3223:17:6" }, "returnParameters": { "id": 3465, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3464, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 3466, "src": "3264:16:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3463, "name": "address", "nodeType": "ElementaryTypeName", "src": "3264:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "3263:18:6" }, "scope": 3497, "src": "3203:79:6", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3467, "nodeType": "StructuredDocumentation", "src": "3288:309:6", "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": 3474, "implemented": false, "kind": "function", "modifiers": [], "name": "setApprovalForAll", "nodeType": "FunctionDefinition", "parameters": { "id": 3472, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3469, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 3474, "src": "3629:16:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3468, "name": "address", "nodeType": "ElementaryTypeName", "src": "3629:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3471, "mutability": "mutable", "name": "_approved", "nodeType": "VariableDeclaration", "scope": 3474, "src": "3647:14:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 3470, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3647:4:6", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3628:34:6" }, "returnParameters": { "id": 3473, "nodeType": "ParameterList", "parameters": [], "src": "3671:0:6" }, "scope": 3497, "src": "3602:70:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3475, "nodeType": "StructuredDocumentation", "src": "3678:138:6", "text": " @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n See {setApprovalForAll}" }, "functionSelector": "e985e9c5", "id": 3484, "implemented": false, "kind": "function", "modifiers": [], "name": "isApprovedForAll", "nodeType": "FunctionDefinition", "parameters": { "id": 3480, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3477, "mutability": "mutable", "name": "owner", "nodeType": "VariableDeclaration", "scope": 3484, "src": "3847:13:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3476, "name": "address", "nodeType": "ElementaryTypeName", "src": "3847:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3479, "mutability": "mutable", "name": "operator", "nodeType": "VariableDeclaration", "scope": 3484, "src": "3862:16:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3478, "name": "address", "nodeType": "ElementaryTypeName", "src": "3862:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "3846:33:6" }, "returnParameters": { "id": 3483, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3482, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 3484, "src": "3903:4:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 3481, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3903:4:6", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "3902:6:6" }, "scope": 3497, "src": "3821:88:6", "stateMutability": "view", "virtual": false, "visibility": "external" }, { "documentation": { "id": 3485, "nodeType": "StructuredDocumentation", "src": "3915:568:6", "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": 3496, "implemented": false, "kind": "function", "modifiers": [], "name": "safeTransferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 3494, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3487, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "scope": 3496, "src": "4514:12:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3486, "name": "address", "nodeType": "ElementaryTypeName", "src": "4514:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3489, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "scope": 3496, "src": "4528:10:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3488, "name": "address", "nodeType": "ElementaryTypeName", "src": "4528:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 3491, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "scope": 3496, "src": "4540:15:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3490, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4540:7:6", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 3493, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "scope": 3496, "src": "4557:19:6", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 3492, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4557:5:6", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "4513:64:6" }, "returnParameters": { "id": 3495, "nodeType": "ParameterList", "parameters": [], "src": "4586:0:6" }, "scope": 3497, "src": "4488:99:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" } ], "scope": 3498, "src": "175:4414:6" } ], "src": "33:4557:6" }, "compiler": { "name": "solc", "version": "0.8.0+commit.c7dfd78e.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.3.4", "updatedAt": "2021-05-19T08:21:33.599Z", "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 } }