{
  "language": "Solidity",
  "sources": {
    "contracts/utils/MarketplaceValidator.sol": {
      "content": "//  ________  ___       ___  ___  ________  ________  ________  ________  _______\n// |\\   ____\\|\\  \\     |\\  \\|\\  \\|\\   __  \\|\\   __  \\|\\   __  \\|\\   __  \\|\\  ___ \\\n// \\ \\  \\___|\\ \\  \\    \\ \\  \\\\\\  \\ \\  \\|\\ /\\ \\  \\|\\  \\ \\  \\|\\  \\ \\  \\|\\  \\ \\   __/|\n//  \\ \\  \\    \\ \\  \\    \\ \\  \\\\\\  \\ \\   __  \\ \\   _  _\\ \\   __  \\ \\   _  _\\ \\  \\_|/__\n//   \\ \\  \\____\\ \\  \\____\\ \\  \\\\\\  \\ \\  \\|\\  \\ \\  \\\\  \\\\ \\  \\ \\  \\ \\  \\\\  \\\\ \\  \\_|\\ \\\n//    \\ \\_______\\ \\_______\\ \\_______\\ \\_______\\ \\__\\\\ _\\\\ \\__\\ \\__\\ \\__\\\\ _\\\\ \\_______\\\n//     \\|_______|\\|_______|\\|_______|\\|_______|\\|__|\\|__|\\|__|\\|__|\\|__|\\|__|\\|_______|\n//\n// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.7;\n\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/CountersUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/cryptography/ECDSAUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/cryptography/draft-EIP712Upgradeable.sol\";\nimport \"../interfaces/IClubrareMarketPlace.sol\";\nimport \"../interfaces/INFT.sol\";\n\ncontract MarketplaceValidator is\n    Initializable,\n    IClubrareMarketplace,\n    OwnableUpgradeable,\n    ReentrancyGuardUpgradeable,\n    PausableUpgradeable,\n    EIP712Upgradeable\n{\n    // Contract Name\n    string public constant name = \"Clubrare Marketplace\";\n    //Contract Version\n    string public constant version = \"1.0.1\";\n    // NOTE: these hashes are derived from keccak(\"CLUBRARE_MARKETPLACE_NAME\") function\n    //and verified in the constructor.\n    //Contract Name hash\n    bytes32 internal constant _NAME_HASH = 0xf555e867deda96ada315d27dde8710b83dfc4e2f5c9e0876ef5793912dd34009;\n    //Contract Version Hash\n    bytes32 internal constant _VERSION_HASH = 0xfc7f6d936935ae6385924f29da7af79e941070dafe46831a51595892abc1b97a;\n    //Order Struct Hash\n    bytes32 internal constant _ORDER_TYPEHASH = 0xd8c41470f0302fbc01702fe386d280faeb45d10b577ce71406f27d24efc3b489;\n    //Bid Strcut Hash\n    bytes32 internal constant _BID_TYPEHASH = 0x0539ae919312b6df6ee803473ef647a28045105ddae7e33738d7e063f4181776;\n\n    //Derived Domain Separtor Hash Variable for EIP712 Domain Seprator\n    bytes32 internal _domainSeparator;\n\n    /* Blacklisted addresses */\n    mapping(address => bool) public blacklist;\n\n    mapping(address => bool) public adminContracts;\n\n    /* Admins addresses */\n    mapping(address => bool) public admins;\n\n    /* Allowed ERC20 Payment tokens */\n    mapping(address => bool) public allowedPaymenTokens;\n\n    /* makertplace address for admins items */\n    address public marketplace;\n\n    function initialize() external initializer {\n        __Ownable_init();\n        __Pausable_init();\n        __ReentrancyGuard_init();\n        __EIP712_init(name, version);\n        require(keccak256(bytes(name)) == _NAME_HASH, \"name hash mismatch\");\n        require(keccak256(bytes(version)) == _VERSION_HASH, \"version hash mismatch\");\n        require(\n            keccak256(\n                \"Order(address seller,\"\n                \"address contractAddress,\"\n                \"uint256 royaltyFee,\"\n                \"address royaltyReceiver,\"\n                \"address paymentToken,\"\n                \"uint256 basePrice,\"\n                \"uint256 listingTime,\"\n                \"uint256 expirationTime,\"\n                \"uint256 nonce,\"\n                \"uint256 tokenId,\"\n                \"uint8 orderType,\"\n                \"string uri,\"\n                \"string objId,\"\n                \"bool isTokenGated,\"\n                \"address tokenGateAddress)\"\n            ) == _ORDER_TYPEHASH,\n            \"order hash mismatch\"\n        );\n        require(\n            keccak256(\n                \"Bid(address seller,\"\n                \"address bidder,\"\n                \"address contractAddress,\"\n                \"address paymentToken,\"\n                \"uint256 bidAmount,\"\n                \"uint256 bidTime,\"\n                \"uint256 expirationTime,\"\n                \"uint256 nonce,\"\n                \"uint256 tokenId,\"\n                \"string objId)\"\n            ) == _BID_TYPEHASH,\n            \"bid hash mismatch\"\n        );\n        _domainSeparator = _domainSeparatorV4();\n    }\n\n    /**\n     * @dev Blacklist addresses to disable their trading\n     */\n    function excludeAddresses(address[] calldata _users) external onlyOwner {\n        for (uint256 i = 0; i < _users.length; i++) {\n            blacklist[_users[i]] = true;\n            emit BlacklistUser(_users[i]);\n        }\n    }\n\n    /**\n     * @dev Add payment tokens to trade\n     */\n    function addPaymentTokens(address[] calldata _tokens) external onlyOwner {\n        for (uint256 i = 0; i < _tokens.length; i++) {\n            allowedPaymenTokens[_tokens[i]] = true;\n            emit AllowedPaymentToken(_tokens[i]);\n        }\n    }\n\n    function addAdminContract(address[] calldata _tokenAddress) external onlyOwner {\n        for (uint256 i = 0; i < _tokenAddress.length; i++) {\n            adminContracts[_tokenAddress[i]] = true;\n        }\n    }\n\n    function addAdmins(address[] calldata _admins) external onlyOwner {\n        for (uint256 i = 0; i < _admins.length; i++) {\n            admins[_admins[i]] = true;\n        }\n    }\n\n    function setMarketplaceAddress(address _marketplace) external onlyOwner {\n        marketplace = _marketplace;\n    }\n\n    /**\n     * @notice This function is used to add address of admins\n     * @dev Fuction take address type argument\n     * @param admin The account address of admin\n     */\n    function addAdmin(address admin) public onlyOwner {\n        require(!admins[admin], \"admin already in list\");\n        admins[admin] = true;\n        emit AdminAdded(admin, block.timestamp);\n    }\n\n    /**\n     * @notice This function is used to get list of all address of admins\n     * @dev This Fuction is not take any argument\n     * @param admin The account address of admin\n     */\n    function removeAdmin(address admin) public onlyOwner {\n        require(admins[admin], \"not a admin\");\n        admins[admin] = false;\n        emit AdminRemoved(admin, block.timestamp);\n    }\n\n    function isNFTHolder(address contractAddress, address user) public view returns (bool) {\n        return INFT(contractAddress).balanceOf(user) > 0;\n    }\n\n    function verifySeller(Order calldata order, address _user) public view returns (bool) {\n        (, address signer) = _verifyOrderSig(order);\n        return admins[signer] ? admins[_user] : signer == _user;\n    }\n\n    function _verifyOrderSig(Order calldata order) public view returns (bytes32, address) {\n        bytes32 digest = hashToSign(order);\n        address signer = ECDSAUpgradeable.recover(digest, order.signature);\n        return (digest, signer);\n    }\n\n    function _verifyBidSig(Bid calldata bid) public view returns (bytes32, address) {\n        bytes32 digest = hashToSign(bid);\n        address signer = ECDSAUpgradeable.recover(digest, bid.signature);\n        return (digest, signer);\n    }\n\n    function onAuction(uint256 _time) external pure returns (bool) {\n        return _time > 0;\n    }\n\n    /**\n     * @dev Validate a provided previously approved / signed order, hash, and signature.\n     * @param bid bidder signature hash\n     * @param buyer bidder address\n     * @param amount bid amount\n     */\n\n    function validateBid(\n        Bid calldata bid,\n        address buyer,\n        uint256 amount\n    ) public view returns (bool validated) {\n        (, address _buyer) = _verifyBidSig(bid);\n        if (_buyer != buyer) {\n            return false;\n        }\n        if (amount != bid.bidAmount) {\n            return false;\n        }\n        return true;\n    }\n\n    /**\n     * @dev Validate a provided previously approved / signed order, hash, and signature.\n     * @param order Order to validate\n     */\n    function validateOrder(Order calldata order) public view returns (bool validated) {\n        /* Not done in an if-conditional to prevent unnecessary ecrecover \n        evaluation, which seems to happen even though it should short-circuit. */\n        (, address signer) = _verifyOrderSig(order);\n        /* Order must have valid parameters. */\n        if (!validateOrderParameters(order)) {\n            return false;\n        }\n\n        /* recover via ECDSA, signed by seller (already verified as non-zero). */\n        if (admins[signer] ? marketplace == order.seller : signer == order.seller) {\n            return true;\n        }\n    }\n\n    /**\n     * @dev Validate order parameters (does *not* check signature validity)\n     * @param order Order to validate\n     */\n    function validateOrderParameters(Order memory order) internal pure returns (bool) {\n        /* Order must have a maker. */\n        if (order.seller == address(0)) {\n            return false;\n        }\n\n        if (order.basePrice <= 0) {\n            return false;\n        }\n\n        if (order.contractAddress == address(0)) {\n            return false;\n        }\n\n        return true;\n    }\n\n    function hashOrder(Order memory _order) public pure returns (bytes32 hash) {\n        bytes memory array = bytes.concat(\n            abi.encode(\n                _ORDER_TYPEHASH,\n                _order.seller,\n                _order.contractAddress,\n                _order.royaltyFee,\n                _order.royaltyReceiver,\n                _order.paymentToken,\n                _order.basePrice,\n                _order.listingTime\n            ),\n            abi.encode(\n                _order.expirationTime,\n                _order.nonce,\n                _order.tokenId,\n                _order.orderType,\n                keccak256(bytes(_order.uri)),\n                keccak256(bytes(_order.objId)),\n                _order.isTokenGated,\n                _order.tokenGateAddress\n            )\n        );\n        hash = keccak256(array);\n        return hash;\n    }\n\n    /**\n     * @dev Hash an bid, returning the canonical EIP-712 order hash without the domain separator\n     * @param _bid Bid to hash\n     * @return hash Hash of bid\n     */\n    function hashBid(Bid memory _bid) public pure returns (bytes32 hash) {\n        bytes memory array = abi.encode(\n            _BID_TYPEHASH,\n            _bid.seller,\n            _bid.bidder,\n            _bid.contractAddress,\n            _bid.paymentToken,\n            _bid.bidAmount,\n            _bid.bidTime,\n            _bid.expirationTime,\n            _bid.nonce,\n            _bid.tokenId,\n            keccak256(bytes(_bid.objId))\n        );\n        hash = keccak256(array);\n        return hash;\n    }\n\n    /**\n     * @dev Hash an order, returning the hash that a client must sign via EIP-712 including the message prefix\n     * @param order Order to hash\n     * @return Hash of message prefix and order hash per Ethereum format\n     */\n    function hashToSign(Order memory order) public view returns (bytes32) {\n        return keccak256(abi.encodePacked(\"\\x19\\x01\", _domainSeparator, hashOrder(order)));\n    }\n\n    /**\n     * @dev Hash an Bid, returning the hash that a client must sign via EIP-712 including the message prefix\n     * @param bid Bid to hash\n     * @return Hash of message prefix and order hash per Ethereum format\n     */\n    function hashToSign(Bid memory bid) public view returns (bytes32) {\n        return keccak256(abi.encodePacked(\"\\x19\\x01\", _domainSeparator, hashBid(bid)));\n    }\n\n    function checkTokenGate(Order calldata _order, address _user) public view {\n        if (_order.isTokenGated) {\n            require(INFT(_order.tokenGateAddress).balanceOf(_user) > 0, \"not nft holder\");\n        }\n    }\n}\n"
    },
    "contracts/interfaces/IClubrareMarketPlace.sol": {
      "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.7;\n\ninterface IClubrareMarketplace {\n    struct Order {\n        /* Order maker address. */\n        address seller;\n        /* contract Address */\n        address contractAddress;\n        /* Collection Royalty Fee. */\n        uint256 royaltyFee;\n        /* Royalty receiver once order is completed */\n        address royaltyReceiver;\n        /* Token used to pay for the order. Only WETH for now */\n        address paymentToken;\n        /* Base price of the order (in paymentTokens). */\n        uint256 basePrice;\n        /* Listing timestamp. */\n        uint256 listingTime;\n        /* Expiration timestamp - 0 for no expiry. */\n        uint256 expirationTime;\n        /* Order nonce, used to prevent duplicate. */\n        uint256 nonce;\n        /* Token Id */\n        uint256 tokenId;\n        /* Order type Physical or Digital */\n        Type orderType;\n        /* Signature */\n        bytes signature;\n        /* metadata URI for Minting*/\n        string uri;\n        /* Obj Id for internal mapping */\n        string objId;\n        /* isTokenGated  to enable token gate */\n        bool isTokenGated;\n        /* TokenGateAddress for contract address for gating */\n        address tokenGateAddress;\n    }\n\n    struct Bid {\n        /* Order Seller address. */\n        address seller;\n        /* Order Buyer address. */\n        address bidder;\n        /* contract Address */\n        address contractAddress;\n        /* Token used to pay for the order. Only WETH for now */\n        address paymentToken;\n        /* Base price of the order (in paymentTokens). */\n        uint256 bidAmount;\n        /* Listing timestamp. */\n        uint256 bidTime;\n        /* Expiration timestamp - 0 for no expiry. */\n        uint256 expirationTime;\n        /* Order nonce, used to prevent duplicate. */\n        uint256 nonce;\n        /* Token Id */\n        uint256 tokenId;\n        /*signature*/\n        bytes signature;\n        /* Obj Id for internal mapping */\n        string objId;\n        /* Bid Id for internal mapping */\n        string bidId;\n    }\n\n    struct FeeSplit {\n        /* address of fee receive*/\n        address payee;\n        /*percentage of fee spilt*/\n        uint256 share;\n    }\n\n    struct Auction {\n        address highestBidder;\n        address lastOwner;\n        uint256 currentBid;\n        uint256 closingTime;\n        bool buyer;\n    }\n\n    /**\n     * Type: Digital or Physical.\n     */\n    enum Type {\n        Digital,\n        Physical,\n        Escrow\n    }\n\n    event Buy(\n        address buyer,\n        address seller,\n        address contractAddress,\n        uint256 tokenId,\n        uint256 amount,\n        uint256 time,\n        address paymentToken,\n        uint256 orderId,\n        string objId\n    );\n    event AcceptOffer(\n        address buyer,\n        address seller,\n        address contractAddress,\n        uint256 tokenId,\n        uint256 amount,\n        uint256 time,\n        address paymentToken,\n        string objId\n    );\n\n    event CancelOrder(\n        address seller,\n        address contractAddress,\n        uint256 tokenId,\n        uint256 amount,\n        uint256 time,\n        address paymentToken,\n        string objId\n    );\n\n    event CancelOffer(\n        address bidder,\n        address seller,\n        address contractAddress,\n        uint256 tokenId,\n        uint256 amount,\n        uint256 time,\n        address paymentToken,\n        string objId,\n        string bidId\n    );\n\n    event Reckon(\n        uint256 platformFee,\n        address treasuryWallet,\n        uint256 stakingSplit,\n        uint256 lpSplit,\n        address _erc20Token,\n        uint256 royaltyValue,\n        address royaltyReceiver\n    );\n\n    event AdminRemoved(address admin, uint256 time);\n    event AdminAdded(address admin, uint256 time);\n\n    event NFTBurned(\n        address indexed collection,\n        uint256 indexed tokenId,\n        address indexed admin,\n        uint256 time,\n        string tokenURI\n    );\n    event Bidding(\n        address indexed collection,\n        uint256 indexed tokenId,\n        address indexed seller,\n        address bidder,\n        uint256 amount,\n        uint256 time,\n        uint256 closingTime,\n        address paymentToken,\n        string objId\n    );\n\n    event Claimed(\n        address indexed collection,\n        uint256 indexed tokenId,\n        address indexed seller,\n        address bidder,\n        uint256 amount,\n        address paymentToken,\n        string objId\n    );\n\n    event SetTradeFee(uint256 tradeFee);\n    event BlacklistUser(address user);\n    event AllowedPaymentToken(address token);\n}\n"
    },
    "contracts/interfaces/INFT.sol": {
      "content": "//  ________  ___       ___  ___  ________  ________  ________  ________  _______\n// |\\   ____\\|\\  \\     |\\  \\|\\  \\|\\   __  \\|\\   __  \\|\\   __  \\|\\   __  \\|\\  ___ \\\n// \\ \\  \\___|\\ \\  \\    \\ \\  \\\\\\  \\ \\  \\|\\ /\\ \\  \\|\\  \\ \\  \\|\\  \\ \\  \\|\\  \\ \\   __/|\n//  \\ \\  \\    \\ \\  \\    \\ \\  \\\\\\  \\ \\   __  \\ \\   _  _\\ \\   __  \\ \\   _  _\\ \\  \\_|/__\n//   \\ \\  \\____\\ \\  \\____\\ \\  \\\\\\  \\ \\  \\|\\  \\ \\  \\\\  \\\\ \\  \\ \\  \\ \\  \\\\  \\\\ \\  \\_|\\ \\\n//    \\ \\_______\\ \\_______\\ \\_______\\ \\_______\\ \\__\\\\ _\\\\ \\__\\ \\__\\ \\__\\\\ _\\\\ \\_______\\\n//     \\|_______|\\|_______|\\|_______|\\|_______|\\|__|\\|__|\\|__|\\|__|\\|__|\\|__|\\|_______|\n//\n// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.7;\n\nimport \"@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol\";\nimport \"./IERC2981Royalties.sol\";\n\ninterface INFT is IERC721Upgradeable, IERC2981Royalties {\n    function safeMint(\n        address to,\n        string memory uri,\n        address creator,\n        uint256 value\n    ) external returns (uint256);\n\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    function setRoyalties(\n        uint256 tokenId,\n        address recipient,\n        uint256 value\n    ) external;\n\n    function approve(address to, uint256 tokenId) external;\n\n    function tokenURI(uint256 tokenId) external returns (string memory);\n\n    function burn(uint256 tokenId) external;\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n */\nabstract contract ReentrancyGuardUpgradeable is Initializable {\n    // Booleans are more expensive than uint256 or any type that takes up a full\n    // word because each write operation emits an extra SLOAD to first read the\n    // slot's contents, replace the bits taken up by the boolean, and then write\n    // back. This is the compiler's defense against contract upgrades and\n    // pointer aliasing, and it cannot be disabled.\n\n    // The values being non-zero value makes deployment a bit more expensive,\n    // but in exchange the refund on every call to nonReentrant will be lower in\n    // amount. Since refunds are capped to a percentage of the total\n    // transaction's gas, it is best to keep them low in cases like this one, to\n    // increase the likelihood of the full refund coming into effect.\n    uint256 private constant _NOT_ENTERED = 1;\n    uint256 private constant _ENTERED = 2;\n\n    uint256 private _status;\n\n    function __ReentrancyGuard_init() internal onlyInitializing {\n        __ReentrancyGuard_init_unchained();\n    }\n\n    function __ReentrancyGuard_init_unchained() internal onlyInitializing {\n        _status = _NOT_ENTERED;\n    }\n\n    /**\n     * @dev Prevents a contract from calling itself, directly or indirectly.\n     * Calling a `nonReentrant` function from another `nonReentrant`\n     * function is not supported. It is possible to prevent this from happening\n     * by making the `nonReentrant` function external, and making it call a\n     * `private` function that does the actual work.\n     */\n    modifier nonReentrant() {\n        // On the first call to nonReentrant, _notEntered will be true\n        require(_status != _ENTERED, \"ReentrancyGuard: reentrant call\");\n\n        // Any calls to nonReentrant after this point will fail\n        _status = _ENTERED;\n\n        _;\n\n        // By storing the original value once again, a refund is triggered (see\n        // https://eips.ethereum.org/EIPS/eip-2200)\n        _status = _NOT_ENTERED;\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[49] private __gap;\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/ContextUpgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    function __Ownable_init() internal onlyInitializing {\n        __Ownable_init_unchained();\n    }\n\n    function __Ownable_init_unchained() internal onlyInitializing {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby removing any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[49] private __gap;\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/ContextUpgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module which allows children to implement an emergency stop\n * mechanism that can be triggered by an authorized account.\n *\n * This module is used through inheritance. It will make available the\n * modifiers `whenNotPaused` and `whenPaused`, which can be applied to\n * the functions of your contract. Note that they will not be pausable by\n * simply including this module, only once the modifiers are put in place.\n */\nabstract contract PausableUpgradeable is Initializable, ContextUpgradeable {\n    /**\n     * @dev Emitted when the pause is triggered by `account`.\n     */\n    event Paused(address account);\n\n    /**\n     * @dev Emitted when the pause is lifted by `account`.\n     */\n    event Unpaused(address account);\n\n    bool private _paused;\n\n    /**\n     * @dev Initializes the contract in unpaused state.\n     */\n    function __Pausable_init() internal onlyInitializing {\n        __Pausable_init_unchained();\n    }\n\n    function __Pausable_init_unchained() internal onlyInitializing {\n        _paused = false;\n    }\n\n    /**\n     * @dev Modifier to make a function callable only when the contract is not paused.\n     *\n     * Requirements:\n     *\n     * - The contract must not be paused.\n     */\n    modifier whenNotPaused() {\n        _requireNotPaused();\n        _;\n    }\n\n    /**\n     * @dev Modifier to make a function callable only when the contract is paused.\n     *\n     * Requirements:\n     *\n     * - The contract must be paused.\n     */\n    modifier whenPaused() {\n        _requirePaused();\n        _;\n    }\n\n    /**\n     * @dev Returns true if the contract is paused, and false otherwise.\n     */\n    function paused() public view virtual returns (bool) {\n        return _paused;\n    }\n\n    /**\n     * @dev Throws if the contract is paused.\n     */\n    function _requireNotPaused() internal view virtual {\n        require(!paused(), \"Pausable: paused\");\n    }\n\n    /**\n     * @dev Throws if the contract is not paused.\n     */\n    function _requirePaused() internal view virtual {\n        require(paused(), \"Pausable: not paused\");\n    }\n\n    /**\n     * @dev Triggers stopped state.\n     *\n     * Requirements:\n     *\n     * - The contract must not be paused.\n     */\n    function _pause() internal virtual whenNotPaused {\n        _paused = true;\n        emit Paused(_msgSender());\n    }\n\n    /**\n     * @dev Returns to normal state.\n     *\n     * Requirements:\n     *\n     * - The contract must be paused.\n     */\n    function _unpause() internal virtual whenPaused {\n        _paused = false;\n        emit Unpaused(_msgSender());\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[49] private __gap;\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/utils/CountersUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Counters.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title Counters\n * @author Matt Condon (@shrugs)\n * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number\n * of elements in a mapping, issuing ERC721 ids, or counting request ids.\n *\n * Include with `using Counters for Counters.Counter;`\n */\nlibrary CountersUpgradeable {\n    struct Counter {\n        // This variable should never be directly accessed by users of the library: interactions must be restricted to\n        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add\n        // this feature: see https://github.com/ethereum/solidity/issues/4637\n        uint256 _value; // default: 0\n    }\n\n    function current(Counter storage counter) internal view returns (uint256) {\n        return counter._value;\n    }\n\n    function increment(Counter storage counter) internal {\n        unchecked {\n            counter._value += 1;\n        }\n    }\n\n    function decrement(Counter storage counter) internal {\n        uint256 value = counter._value;\n        require(value > 0, \"Counter: decrement overflow\");\n        unchecked {\n            counter._value = value - 1;\n        }\n    }\n\n    function reset(Counter storage counter) internal {\n        counter._value = 0;\n    }\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/AddressUpgradeable.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * contract MyToken is ERC20Upgradeable {\n *     function initialize() initializer public {\n *         __ERC20_init(\"MyToken\", \"MTK\");\n *     }\n * }\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n *     function initializeV2() reinitializer(2) public {\n *         __ERC20Permit_init(\"MyToken\");\n *     }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n *     _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n    /**\n     * @dev Indicates that the contract has been initialized.\n     * @custom:oz-retyped-from bool\n     */\n    uint8 private _initialized;\n\n    /**\n     * @dev Indicates that the contract is in the process of being initialized.\n     */\n    bool private _initializing;\n\n    /**\n     * @dev Triggered when the contract has been initialized or reinitialized.\n     */\n    event Initialized(uint8 version);\n\n    /**\n     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n     * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.\n     */\n    modifier initializer() {\n        bool isTopLevelCall = !_initializing;\n        require(\n            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),\n            \"Initializable: contract is already initialized\"\n        );\n        _initialized = 1;\n        if (isTopLevelCall) {\n            _initializing = true;\n        }\n        _;\n        if (isTopLevelCall) {\n            _initializing = false;\n            emit Initialized(1);\n        }\n    }\n\n    /**\n     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n     * used to initialize parent contracts.\n     *\n     * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original\n     * initialization step. This is essential to configure modules that are added through upgrades and that require\n     * initialization.\n     *\n     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n     * a contract, executing them in the right order is up to the developer or operator.\n     */\n    modifier reinitializer(uint8 version) {\n        require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n        _initialized = version;\n        _initializing = true;\n        _;\n        _initializing = false;\n        emit Initialized(version);\n    }\n\n    /**\n     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n     * {initializer} and {reinitializer} modifiers, directly or indirectly.\n     */\n    modifier onlyInitializing() {\n        require(_initializing, \"Initializable: contract is not initializing\");\n        _;\n    }\n\n    /**\n     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n     * through proxies.\n     */\n    function _disableInitializers() internal virtual {\n        require(!_initializing, \"Initializable: contract is initializing\");\n        if (_initialized < type(uint8).max) {\n            _initialized = type(uint8).max;\n            emit Initialized(type(uint8).max);\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/utils/cryptography/ECDSAUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.3) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../StringsUpgradeable.sol\";\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSAUpgradeable {\n    enum RecoverError {\n        NoError,\n        InvalidSignature,\n        InvalidSignatureLength,\n        InvalidSignatureS,\n        InvalidSignatureV\n    }\n\n    function _throwError(RecoverError error) private pure {\n        if (error == RecoverError.NoError) {\n            return; // no error: do nothing\n        } else if (error == RecoverError.InvalidSignature) {\n            revert(\"ECDSA: invalid signature\");\n        } else if (error == RecoverError.InvalidSignatureLength) {\n            revert(\"ECDSA: invalid signature length\");\n        } else if (error == RecoverError.InvalidSignatureS) {\n            revert(\"ECDSA: invalid signature 's' value\");\n        } else if (error == RecoverError.InvalidSignatureV) {\n            revert(\"ECDSA: invalid signature 'v' value\");\n        }\n    }\n\n    /**\n     * @dev Returns the address that signed a hashed message (`hash`) with\n     * `signature` or error string. This address can then be used for verification purposes.\n     *\n     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n     * this function rejects them by requiring the `s` value to be in the lower\n     * half order, and the `v` value to be either 27 or 28.\n     *\n     * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n     * verification to be secure: it is possible to craft signatures that\n     * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n     * this is by receiving a hash of the original message (which may otherwise\n     * be too long), and then calling {toEthSignedMessageHash} on it.\n     *\n     * Documentation for signature generation:\n     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n     *\n     * _Available since v4.3._\n     */\n    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {\n        if (signature.length == 65) {\n            bytes32 r;\n            bytes32 s;\n            uint8 v;\n            // ecrecover takes the signature parameters, and the only way to get them\n            // currently is to use assembly.\n            /// @solidity memory-safe-assembly\n            assembly {\n                r := mload(add(signature, 0x20))\n                s := mload(add(signature, 0x40))\n                v := byte(0, mload(add(signature, 0x60)))\n            }\n            return tryRecover(hash, v, r, s);\n        } else {\n            return (address(0), RecoverError.InvalidSignatureLength);\n        }\n    }\n\n    /**\n     * @dev Returns the address that signed a hashed message (`hash`) with\n     * `signature`. This address can then be used for verification purposes.\n     *\n     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n     * this function rejects them by requiring the `s` value to be in the lower\n     * half order, and the `v` value to be either 27 or 28.\n     *\n     * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n     * verification to be secure: it is possible to craft signatures that\n     * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n     * this is by receiving a hash of the original message (which may otherwise\n     * be too long), and then calling {toEthSignedMessageHash} on it.\n     */\n    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n        (address recovered, RecoverError error) = tryRecover(hash, signature);\n        _throwError(error);\n        return recovered;\n    }\n\n    /**\n     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n     *\n     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n     *\n     * _Available since v4.3._\n     */\n    function tryRecover(\n        bytes32 hash,\n        bytes32 r,\n        bytes32 vs\n    ) internal pure returns (address, RecoverError) {\n        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n        uint8 v = uint8((uint256(vs) >> 255) + 27);\n        return tryRecover(hash, v, r, s);\n    }\n\n    /**\n     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n     *\n     * _Available since v4.2._\n     */\n    function recover(\n        bytes32 hash,\n        bytes32 r,\n        bytes32 vs\n    ) internal pure returns (address) {\n        (address recovered, RecoverError error) = tryRecover(hash, r, vs);\n        _throwError(error);\n        return recovered;\n    }\n\n    /**\n     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n     * `r` and `s` signature fields separately.\n     *\n     * _Available since v4.3._\n     */\n    function tryRecover(\n        bytes32 hash,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal pure returns (address, RecoverError) {\n        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n        // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n        //\n        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n        // these malleable signatures as well.\n        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n            return (address(0), RecoverError.InvalidSignatureS);\n        }\n        if (v != 27 && v != 28) {\n            return (address(0), RecoverError.InvalidSignatureV);\n        }\n\n        // If the signature is valid (and not malleable), return the signer address\n        address signer = ecrecover(hash, v, r, s);\n        if (signer == address(0)) {\n            return (address(0), RecoverError.InvalidSignature);\n        }\n\n        return (signer, RecoverError.NoError);\n    }\n\n    /**\n     * @dev Overload of {ECDSA-recover} that receives the `v`,\n     * `r` and `s` signature fields separately.\n     */\n    function recover(\n        bytes32 hash,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal pure returns (address) {\n        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);\n        _throwError(error);\n        return recovered;\n    }\n\n    /**\n     * @dev Returns an Ethereum Signed Message, created from a `hash`. This\n     * produces hash corresponding to the one signed with the\n     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n     * JSON-RPC method as part of EIP-191.\n     *\n     * See {recover}.\n     */\n    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {\n        // 32 is the length in bytes of hash,\n        // enforced by the type signature above\n        return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n32\", hash));\n    }\n\n    /**\n     * @dev Returns an Ethereum Signed Message, created from `s`. This\n     * produces hash corresponding to the one signed with the\n     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n     * JSON-RPC method as part of EIP-191.\n     *\n     * See {recover}.\n     */\n    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {\n        return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n\", StringsUpgradeable.toString(s.length), s));\n    }\n\n    /**\n     * @dev Returns an Ethereum Signed Typed Data, created from a\n     * `domainSeparator` and a `structHash`. This produces hash corresponding\n     * to the one signed with the\n     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]\n     * JSON-RPC method as part of EIP-712.\n     *\n     * See {recover}.\n     */\n    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {\n        return keccak256(abi.encodePacked(\"\\x19\\x01\", domainSeparator, structHash));\n    }\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165Upgradeable.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721Upgradeable is IERC165Upgradeable {\n    /**\n     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n     */\n    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n     */\n    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n    /**\n     * @dev Returns the number of tokens in ``owner``'s account.\n     */\n    function balanceOf(address owner) external view returns (uint256 balance);\n\n    /**\n     * @dev Returns the owner of the `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function ownerOf(uint256 tokenId) external view returns (address owner);\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes calldata data\n    ) external;\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n     * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    /**\n     * @dev Transfers `tokenId` token from `from` to `to`.\n     *\n     * WARNING: 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 Approve or remove `operator` as an operator for the caller.\n     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n     *\n     * Requirements:\n     *\n     * - The `operator` cannot be the caller.\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function setApprovalForAll(address operator, bool _approved) external;\n\n    /**\n     * @dev Returns the account approved for `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function getApproved(uint256 tokenId) external view returns (address operator);\n\n    /**\n     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n     *\n     * See {setApprovalForAll}\n     */\n    function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/utils/cryptography/draft-EIP712Upgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/cryptography/draft-EIP712.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./ECDSAUpgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.\n *\n * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,\n * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding\n * they need in their contracts using a combination of `abi.encode` and `keccak256`.\n *\n * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding\n * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA\n * ({_hashTypedDataV4}).\n *\n * The implementation of the domain separator was designed to be as efficient as possible while still properly updating\n * the chain id to protect against replay attacks on an eventual fork of the chain.\n *\n * NOTE: This contract implements the version of the encoding known as \"v4\", as implemented by the JSON RPC method\n * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].\n *\n * _Available since v3.4._\n *\n * @custom:storage-size 52\n */\nabstract contract EIP712Upgradeable is Initializable {\n    /* solhint-disable var-name-mixedcase */\n    bytes32 private _HASHED_NAME;\n    bytes32 private _HASHED_VERSION;\n    bytes32 private constant _TYPE_HASH = keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\");\n\n    /* solhint-enable var-name-mixedcase */\n\n    /**\n     * @dev Initializes the domain separator and parameter caches.\n     *\n     * The meaning of `name` and `version` is specified in\n     * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:\n     *\n     * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.\n     * - `version`: the current major version of the signing domain.\n     *\n     * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart\n     * contract upgrade].\n     */\n    function __EIP712_init(string memory name, string memory version) internal onlyInitializing {\n        __EIP712_init_unchained(name, version);\n    }\n\n    function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing {\n        bytes32 hashedName = keccak256(bytes(name));\n        bytes32 hashedVersion = keccak256(bytes(version));\n        _HASHED_NAME = hashedName;\n        _HASHED_VERSION = hashedVersion;\n    }\n\n    /**\n     * @dev Returns the domain separator for the current chain.\n     */\n    function _domainSeparatorV4() internal view returns (bytes32) {\n        return _buildDomainSeparator(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash());\n    }\n\n    function _buildDomainSeparator(\n        bytes32 typeHash,\n        bytes32 nameHash,\n        bytes32 versionHash\n    ) private view returns (bytes32) {\n        return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, address(this)));\n    }\n\n    /**\n     * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this\n     * function returns the hash of the fully encoded EIP712 message for this domain.\n     *\n     * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:\n     *\n     * ```solidity\n     * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(\n     *     keccak256(\"Mail(address to,string contents)\"),\n     *     mailTo,\n     *     keccak256(bytes(mailContents))\n     * )));\n     * address signer = ECDSA.recover(digest, signature);\n     * ```\n     */\n    function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {\n        return ECDSAUpgradeable.toTypedDataHash(_domainSeparatorV4(), structHash);\n    }\n\n    /**\n     * @dev The hash of the name parameter for the EIP712 domain.\n     *\n     * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs\n     * are a concern.\n     */\n    function _EIP712NameHash() internal virtual view returns (bytes32) {\n        return _HASHED_NAME;\n    }\n\n    /**\n     * @dev The hash of the version parameter for the EIP712 domain.\n     *\n     * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs\n     * are a concern.\n     */\n    function _EIP712VersionHash() internal virtual view returns (bytes32) {\n        return _HASHED_VERSION;\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[50] private __gap;\n}\n"
    },
    "contracts/interfaces/IERC2981Royalties.sol": {
      "content": "//  ________  ___       ___  ___  ________  ________  ________  ________  _______\n// |\\   ____\\|\\  \\     |\\  \\|\\  \\|\\   __  \\|\\   __  \\|\\   __  \\|\\   __  \\|\\  ___ \\\n// \\ \\  \\___|\\ \\  \\    \\ \\  \\\\\\  \\ \\  \\|\\ /\\ \\  \\|\\  \\ \\  \\|\\  \\ \\  \\|\\  \\ \\   __/|\n//  \\ \\  \\    \\ \\  \\    \\ \\  \\\\\\  \\ \\   __  \\ \\   _  _\\ \\   __  \\ \\   _  _\\ \\  \\_|/__\n//   \\ \\  \\____\\ \\  \\____\\ \\  \\\\\\  \\ \\  \\|\\  \\ \\  \\\\  \\\\ \\  \\ \\  \\ \\  \\\\  \\\\ \\  \\_|\\ \\\n//    \\ \\_______\\ \\_______\\ \\_______\\ \\_______\\ \\__\\\\ _\\\\ \\__\\ \\__\\ \\__\\\\ _\\\\ \\_______\\\n//     \\|_______|\\|_______|\\|_______|\\|_______|\\|__|\\|__|\\|__|\\|__|\\|__|\\|__|\\|_______|\n//\n// SPDX-License-Identifier: MIT\npragma solidity ^0.8.4;\n\n/// @title IERC2981Royalties\n/// @dev Interface for the ERC2981 - Token Royalty standard\ninterface IERC2981Royalties {\n    /// @notice Called with the sale price to determine how much royalty\n    //          is owed and to whom.\n    /// @param _tokenId - the NFT asset queried for royalty information\n    /// @param _value - the sale price of the NFT asset specified by _tokenId\n    /// @return _receiver - address of who should be sent the royalty payment\n    /// @return _royaltyAmount - the royalty payment amount for value sale price\n    function royaltyInfo(uint256 _tokenId, uint256 _value)\n        external\n        view\n        returns (address _receiver, uint256 _royaltyAmount);\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/utils/introspection/IERC165Upgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165Upgradeable {\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n     * to learn more about how these ids are created.\n     *\n     * This function call must use less than 30 000 gas.\n     */\n    function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\n    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     * ====\n     *\n     * [IMPORTANT]\n     * ====\n     * You shouldn't rely on `isContract` to protect against flash loan attacks!\n     *\n     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n     * constructor.\n     * ====\n     */\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize/address.code.length, which returns 0\n        // for contracts in construction, since the code is only stored at the end\n        // of the constructor execution.\n\n        return account.code.length > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCall(target, data, \"Address: low-level call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\n        require(isContract(target), \"Address: call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        require(isContract(target), \"Address: static call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason using the provided one.\n     *\n     * _Available since v4.3._\n     */\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            // Look for revert reason and bubble it up if present\n            if (returndata.length > 0) {\n                // The easiest way to bubble the revert reason is using memory via assembly\n                /// @solidity memory-safe-assembly\n                assembly {\n                    let returndata_size := mload(returndata)\n                    revert(add(32, returndata), returndata_size)\n                }\n            } else {\n                revert(errorMessage);\n            }\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract ContextUpgradeable is Initializable {\n    function __Context_init() internal onlyInitializing {\n    }\n\n    function __Context_init_unchained() internal onlyInitializing {\n    }\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[50] private __gap;\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary StringsUpgradeable {\n    bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n    uint8 private constant _ADDRESS_LENGTH = 20;\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n     */\n    function toString(uint256 value) internal pure returns (string memory) {\n        // Inspired by OraclizeAPI's implementation - MIT licence\n        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n        if (value == 0) {\n            return \"0\";\n        }\n        uint256 temp = value;\n        uint256 digits;\n        while (temp != 0) {\n            digits++;\n            temp /= 10;\n        }\n        bytes memory buffer = new bytes(digits);\n        while (value != 0) {\n            digits -= 1;\n            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n            value /= 10;\n        }\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n     */\n    function toHexString(uint256 value) internal pure returns (string memory) {\n        if (value == 0) {\n            return \"0x00\";\n        }\n        uint256 temp = value;\n        uint256 length = 0;\n        while (temp != 0) {\n            length++;\n            temp >>= 8;\n        }\n        return toHexString(value, length);\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n     */\n    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n        bytes memory buffer = new bytes(2 * length + 2);\n        buffer[0] = \"0\";\n        buffer[1] = \"x\";\n        for (uint256 i = 2 * length + 1; i > 1; --i) {\n            buffer[i] = _HEX_SYMBOLS[value & 0xf];\n            value >>= 4;\n        }\n        require(value == 0, \"Strings: hex length insufficient\");\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n     */\n    function toHexString(address addr) internal pure returns (string memory) {\n        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n    }\n}\n"
    }
  },
  "settings": {
    "metadata": {
      "bytecodeHash": "none"
    },
    "optimizer": {
      "enabled": true,
      "runs": 800
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "libraries": {}
  }
}