{
  "language": "Solidity",
  "sources": {
    "contracts/eip/interface/IERC165.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 * [EIP](https://eips.ethereum.org/EIPS/eip-165).\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 IERC165 {\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)\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"
    },
    "contracts/eip/interface/IERC20.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/**\n * @title ERC20 interface\n * @dev see https://github.com/ethereum/EIPs/issues/20\n */\ninterface IERC20 {\n    function totalSupply() external view returns (uint256);\n\n    function balanceOf(address who) external view returns (uint256);\n\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    function transfer(address to, uint256 value) external returns (bool);\n\n    function approve(address spender, uint256 value) external returns (bool);\n\n    function transferFrom(\n        address from,\n        address to,\n        uint256 value\n    ) external returns (bool);\n\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n}\n"
    },
    "contracts/eip/interface/IERC2981.sol": {
      "content": "// SPDX-License-Identifier: Apache 2.0\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n * _Available since v4.5._\n */\ninterface IERC2981 is IERC165 {\n    /**\n     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n     * exchange. The royalty amount is denominated and should be payed in that same unit of exchange.\n     */\n    function royaltyInfo(uint256 tokenId, uint256 salePrice)\n        external\n        view\n        returns (address receiver, uint256 royaltyAmount);\n}\n"
    },
    "contracts/extension/DefaultOperatorFiltererUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: Apache 2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\nimport { OperatorFiltererUpgradeable } from \"./OperatorFiltererUpgradeable.sol\";\n\nabstract contract DefaultOperatorFiltererUpgradeable is OperatorFiltererUpgradeable {\n    address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);\n\n    function __DefaultOperatorFilterer_init() internal {\n        OperatorFiltererUpgradeable.__OperatorFilterer_init(DEFAULT_SUBSCRIPTION, true);\n    }\n}\n"
    },
    "contracts/extension/OperatorFilterToggle.sol": {
      "content": "// SPDX-License-Identifier: Apache 2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\nimport \"./interface/IOperatorFilterToggle.sol\";\n\nabstract contract OperatorFilterToggle is IOperatorFilterToggle {\n    bool public operatorRestriction;\n\n    function setOperatorRestriction(bool _restriction) external {\n        require(_canSetOperatorRestriction(), \"Not authorized to set operator restriction.\");\n        _setOperatorRestriction(_restriction);\n    }\n\n    function _setOperatorRestriction(bool _restriction) internal {\n        operatorRestriction = _restriction;\n        emit OperatorRestriction(_restriction);\n    }\n\n    function _canSetOperatorRestriction() internal virtual returns (bool);\n}\n"
    },
    "contracts/extension/OperatorFiltererUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: Apache 2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\nimport \"./interface/IOperatorFilterRegistry.sol\";\nimport \"./OperatorFilterToggle.sol\";\n\nabstract contract OperatorFiltererUpgradeable is OperatorFilterToggle {\n    error OperatorNotAllowed(address operator);\n\n    IOperatorFilterRegistry constant OPERATOR_FILTER_REGISTRY =\n        IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);\n\n    function __OperatorFilterer_init(address subscriptionOrRegistrantToCopy, bool subscribe) internal {\n        // If an inheriting token contract is deployed to a network without the registry deployed, the modifier\n        // will not revert, but the contract will need to be registered with the registry once it is deployed in\n        // order for the modifier to filter addresses.\n        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n            if (!OPERATOR_FILTER_REGISTRY.isRegistered(address(this))) {\n                if (subscribe) {\n                    OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);\n                } else {\n                    if (subscriptionOrRegistrantToCopy != address(0)) {\n                        OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);\n                    } else {\n                        OPERATOR_FILTER_REGISTRY.register(address(this));\n                    }\n                }\n            }\n        }\n    }\n\n    modifier onlyAllowedOperator(address from) virtual {\n        // Check registry code length to facilitate testing in environments without a deployed registry.\n        if (operatorRestriction) {\n            if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n                // Allow spending tokens from addresses with balance\n                // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred\n                // from an EOA.\n                if (from == msg.sender) {\n                    _;\n                    return;\n                }\n                if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), msg.sender)) {\n                    revert OperatorNotAllowed(msg.sender);\n                }\n            }\n        }\n        _;\n    }\n\n    modifier onlyAllowedOperatorApproval(address operator) virtual {\n        // Check registry code length to facilitate testing in environments without a deployed registry.\n        if (operatorRestriction) {\n            if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {\n                if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {\n                    revert OperatorNotAllowed(operator);\n                }\n            }\n        }\n        _;\n    }\n}\n"
    },
    "contracts/extension/interface/IOperatorFilterRegistry.sol": {
      "content": "// SPDX-License-Identifier: Apache 2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\ninterface IOperatorFilterRegistry {\n    function isOperatorAllowed(address registrant, address operator) external view returns (bool);\n\n    function register(address registrant) external;\n\n    function registerAndSubscribe(address registrant, address subscription) external;\n\n    function registerAndCopyEntries(address registrant, address registrantToCopy) external;\n\n    function unregister(address addr) external;\n\n    function updateOperator(\n        address registrant,\n        address operator,\n        bool filtered\n    ) external;\n\n    function updateOperators(\n        address registrant,\n        address[] calldata operators,\n        bool filtered\n    ) external;\n\n    function updateCodeHash(\n        address registrant,\n        bytes32 codehash,\n        bool filtered\n    ) external;\n\n    function updateCodeHashes(\n        address registrant,\n        bytes32[] calldata codeHashes,\n        bool filtered\n    ) external;\n\n    function subscribe(address registrant, address registrantToSubscribe) external;\n\n    function unsubscribe(address registrant, bool copyExistingEntries) external;\n\n    function subscriptionOf(address addr) external returns (address registrant);\n\n    function subscribers(address registrant) external returns (address[] memory);\n\n    function subscriberAt(address registrant, uint256 index) external returns (address);\n\n    function copyEntriesOf(address registrant, address registrantToCopy) external;\n\n    function isOperatorFiltered(address registrant, address operator) external returns (bool);\n\n    function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);\n\n    function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);\n\n    function filteredOperators(address addr) external returns (address[] memory);\n\n    function filteredCodeHashes(address addr) external returns (bytes32[] memory);\n\n    function filteredOperatorAt(address registrant, uint256 index) external returns (address);\n\n    function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);\n\n    function isRegistered(address addr) external returns (bool);\n\n    function codeHashOf(address addr) external returns (bytes32);\n}\n"
    },
    "contracts/extension/interface/IOperatorFilterToggle.sol": {
      "content": "// SPDX-License-Identifier: Apache 2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\ninterface IOperatorFilterToggle {\n    event OperatorRestriction(bool restriction);\n\n    function operatorRestriction() external view returns (bool);\n\n    function setOperatorRestriction(bool restriction) external;\n}\n"
    },
    "contracts/extension/interface/IOwnable.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\n/**\n *  Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n *  who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses\n *  information about who the contract's owner is.\n */\n\ninterface IOwnable {\n    /// @dev Returns the owner of the contract.\n    function owner() external view returns (address);\n\n    /// @dev Lets a module admin set a new owner for the contract. The new owner must be a module admin.\n    function setOwner(address _newOwner) external;\n\n    /// @dev Emitted when a new Owner is set.\n    event OwnerUpdated(address indexed prevOwner, address indexed newOwner);\n}\n"
    },
    "contracts/extension/interface/IPlatformFee.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\n/**\n *  Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n *  the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic\n *  that uses information about platform fees, if desired.\n */\n\ninterface IPlatformFee {\n    /// @dev Returns the platform fee bps and recipient.\n    function getPlatformFeeInfo() external view returns (address, uint16);\n\n    /// @dev Lets a module admin update the fees on primary sales.\n    function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external;\n\n    /// @dev Emitted when fee on primary sales is updated.\n    event PlatformFeeInfoUpdated(address indexed platformFeeRecipient, uint256 platformFeeBps);\n}\n"
    },
    "contracts/extension/interface/IPrimarySale.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\n/**\n *  Thirdweb's `Primary` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n *  the recipient of primary sales, and lets the inheriting contract perform conditional logic that uses information about\n *  primary sales, if desired.\n */\n\ninterface IPrimarySale {\n    /// @dev The adress that receives all primary sales value.\n    function primarySaleRecipient() external view returns (address);\n\n    /// @dev Lets a module admin set the default recipient of all primary sales.\n    function setPrimarySaleRecipient(address _saleRecipient) external;\n\n    /// @dev Emitted when a new sale recipient is set.\n    event PrimarySaleRecipientUpdated(address indexed recipient);\n}\n"
    },
    "contracts/extension/interface/IRoyalty.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\nimport \"../../eip/interface/IERC2981.sol\";\n\n/**\n *  Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading\n *  the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic\n *  that uses information about royalty fees, if desired.\n *\n *  The `Royalty` contract is ERC2981 compliant.\n */\n\ninterface IRoyalty is IERC2981 {\n    struct RoyaltyInfo {\n        address recipient;\n        uint256 bps;\n    }\n\n    /// @dev Returns the royalty recipient and fee bps.\n    function getDefaultRoyaltyInfo() external view returns (address, uint16);\n\n    /// @dev Lets a module admin update the royalty bps and recipient.\n    function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external;\n\n    /// @dev Lets a module admin set the royalty recipient for a particular token Id.\n    function setRoyaltyInfoForToken(\n        uint256 tokenId,\n        address recipient,\n        uint256 bps\n    ) external;\n\n    /// @dev Returns the royalty recipient for a particular token Id.\n    function getRoyaltyInfoForToken(uint256 tokenId) external view returns (address, uint16);\n\n    /// @dev Emitted when royalty info is updated.\n    event DefaultRoyalty(address indexed newRoyaltyRecipient, uint256 newRoyaltyBps);\n\n    /// @dev Emitted when royalty recipient for tokenId is set\n    event RoyaltyForToken(uint256 indexed tokenId, address indexed royaltyRecipient, uint256 royaltyBps);\n}\n"
    },
    "contracts/interfaces/IThirdwebContract.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.11;\n\ninterface IThirdwebContract {\n    /// @dev Returns the module type of the contract.\n    function contractType() external pure returns (bytes32);\n\n    /// @dev Returns the version of the contract.\n    function contractVersion() external pure returns (uint8);\n\n    /// @dev Returns the metadata URI of the contract.\n    function contractURI() external view returns (string memory);\n\n    /**\n     *  @dev Sets contract URI for the storefront-level metadata of the contract.\n     *       Only module admin can call this function.\n     */\n    function setContractURI(string calldata _uri) external;\n}\n"
    },
    "contracts/interfaces/IWETH.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\ninterface IWETH {\n    function deposit() external payable;\n\n    function withdraw(uint256 amount) external;\n\n    function transfer(address to, uint256 value) external returns (bool);\n}\n"
    },
    "contracts/interfaces/token/ITokenERC1155.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.11;\n\nimport \"@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155Upgradeable.sol\";\n\n/**\n *  `SignatureMint1155` is an ERC 1155 contract. It lets anyone mint NFTs by producing a mint request\n *  and a signature (produced by an account with MINTER_ROLE, signing the mint request).\n */\ninterface ITokenERC1155 is IERC1155Upgradeable {\n    /**\n     *  @notice The body of a request to mint NFTs.\n     *\n     *  @param to The receiver of the NFTs to mint.\n     *  @param royaltyRecipient The recipient of the minted NFT's secondary sales royalties.\n     *  @param primarySaleRecipient The recipient of the minted NFT's primary sales proceeds.\n     *  @param tokenId Optional: specify only if not first mint.\n     *  @param uri The URI of the NFT to mint.\n     *  @param quantity The quantity of NFTs to mint.\n     *  @param pricePerToken Price to pay for minting with the signature.\n     *  @param currency The currency in which the price per token must be paid.\n     *  @param validityStartTimestamp The unix timestamp after which the request is valid.\n     *  @param validityEndTimestamp The unix timestamp after which the request expires.\n     *  @param uid A unique identifier for the request.\n     */\n    struct MintRequest {\n        address to;\n        address royaltyRecipient;\n        uint256 royaltyBps;\n        address primarySaleRecipient;\n        uint256 tokenId;\n        string uri;\n        uint256 quantity;\n        uint256 pricePerToken;\n        address currency;\n        uint128 validityStartTimestamp;\n        uint128 validityEndTimestamp;\n        bytes32 uid;\n    }\n\n    /// @dev Emitted when an account with MINTER_ROLE mints an NFT.\n    event TokensMinted(address indexed mintedTo, uint256 indexed tokenIdMinted, string uri, uint256 quantityMinted);\n\n    /// @dev Emitted when tokens are minted.\n    event TokensMintedWithSignature(\n        address indexed signer,\n        address indexed mintedTo,\n        uint256 indexed tokenIdMinted,\n        MintRequest mintRequest\n    );\n\n    /**\n     *  @notice Verifies that a mint request is signed by an account holding\n     *         MINTER_ROLE (at the time of the function call).\n     *\n     *  @param req The mint request.\n     *  @param signature The signature produced by an account signing the mint request.\n     *\n     *  returns (success, signer) Result of verification and the recovered address.\n     */\n    function verify(MintRequest calldata req, bytes calldata signature)\n        external\n        view\n        returns (bool success, address signer);\n\n    /**\n     *  @notice Lets an account with MINTER_ROLE mint an NFT.\n     *\n     *  @param to The address to mint the NFT to.\n     *  @param tokenId The tokenId of the NFTs to mint\n     *  @param uri The URI to assign to the NFT.\n     *  @param amount The number of copies of the NFT to mint.\n     *\n     */\n    function mintTo(\n        address to,\n        uint256 tokenId,\n        string calldata uri,\n        uint256 amount\n    ) external;\n\n    /**\n     *  @notice Mints an NFT according to the provided mint request.\n     *\n     *  @param req The mint request.\n     *  @param signature he signature produced by an account signing the mint request.\n     */\n    function mintWithSignature(MintRequest calldata req, bytes calldata signature) external payable;\n}\n"
    },
    "contracts/lib/CurrencyTransferLib.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\n// Helper interfaces\nimport { IWETH } from \"../interfaces/IWETH.sol\";\n\nimport \"../openzeppelin-presets/token/ERC20/utils/SafeERC20.sol\";\n\nlibrary CurrencyTransferLib {\n    using SafeERC20 for IERC20;\n\n    /// @dev The address interpreted as native token of the chain.\n    address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n    /// @dev Transfers a given amount of currency.\n    function transferCurrency(\n        address _currency,\n        address _from,\n        address _to,\n        uint256 _amount\n    ) internal {\n        if (_amount == 0) {\n            return;\n        }\n\n        if (_currency == NATIVE_TOKEN) {\n            safeTransferNativeToken(_to, _amount);\n        } else {\n            safeTransferERC20(_currency, _from, _to, _amount);\n        }\n    }\n\n    /// @dev Transfers a given amount of currency. (With native token wrapping)\n    function transferCurrencyWithWrapper(\n        address _currency,\n        address _from,\n        address _to,\n        uint256 _amount,\n        address _nativeTokenWrapper\n    ) internal {\n        if (_amount == 0) {\n            return;\n        }\n\n        if (_currency == NATIVE_TOKEN) {\n            if (_from == address(this)) {\n                // withdraw from weth then transfer withdrawn native token to recipient\n                IWETH(_nativeTokenWrapper).withdraw(_amount);\n                safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);\n            } else if (_to == address(this)) {\n                // store native currency in weth\n                require(_amount == msg.value, \"msg.value != amount\");\n                IWETH(_nativeTokenWrapper).deposit{ value: _amount }();\n            } else {\n                safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);\n            }\n        } else {\n            safeTransferERC20(_currency, _from, _to, _amount);\n        }\n    }\n\n    /// @dev Transfer `amount` of ERC20 token from `from` to `to`.\n    function safeTransferERC20(\n        address _currency,\n        address _from,\n        address _to,\n        uint256 _amount\n    ) internal {\n        if (_from == _to) {\n            return;\n        }\n\n        if (_from == address(this)) {\n            IERC20(_currency).safeTransfer(_to, _amount);\n        } else {\n            IERC20(_currency).safeTransferFrom(_from, _to, _amount);\n        }\n    }\n\n    /// @dev Transfers `amount` of native token to `to`.\n    function safeTransferNativeToken(address to, uint256 value) internal {\n        // solhint-disable avoid-low-level-calls\n        // slither-disable-next-line low-level-calls\n        (bool success, ) = to.call{ value: value }(\"\");\n        require(success, \"native token transfer failed\");\n    }\n\n    /// @dev Transfers `amount` of native token to `to`. (With native token wrapping)\n    function safeTransferNativeTokenWithWrapper(\n        address to,\n        uint256 value,\n        address _nativeTokenWrapper\n    ) internal {\n        // solhint-disable avoid-low-level-calls\n        // slither-disable-next-line low-level-calls\n        (bool success, ) = to.call{ value: value }(\"\");\n        if (!success) {\n            IWETH(_nativeTokenWrapper).deposit{ value: value }();\n            IERC20(_nativeTokenWrapper).safeTransfer(to, value);\n        }\n    }\n}\n"
    },
    "contracts/lib/FeeType.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.11;\n\n/// @author thirdweb\n\nlibrary FeeType {\n    uint256 internal constant PRIMARY_SALE = 0;\n    uint256 internal constant MARKET_SALE = 1;\n    uint256 internal constant SPLIT = 2;\n}\n"
    },
    "contracts/lib/TWAddress.sol": {
      "content": "// SPDX-License-Identifier: Apache 2.0\npragma solidity ^0.8.0;\n\n/// @author thirdweb\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary TWAddress {\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     * [EIP1884](https://eips.ethereum.org/EIPS/eip-1884) 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 Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(isContract(target), \"Address: delegate call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.delegatecall(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\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"
    },
    "contracts/openzeppelin-presets/metatx/ERC2771ContextUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.0 (metatx/ERC2771Context.sol)\n\npragma solidity ^0.8.11;\n\nimport \"@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\";\n\n/**\n * @dev Context variant with ERC2771 support.\n */\nabstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable {\n    mapping(address => bool) private _trustedForwarder;\n\n    function __ERC2771Context_init(address[] memory trustedForwarder) internal onlyInitializing {\n        __Context_init_unchained();\n        __ERC2771Context_init_unchained(trustedForwarder);\n    }\n\n    function __ERC2771Context_init_unchained(address[] memory trustedForwarder) internal onlyInitializing {\n        for (uint256 i = 0; i < trustedForwarder.length; i++) {\n            _trustedForwarder[trustedForwarder[i]] = true;\n        }\n    }\n\n    function isTrustedForwarder(address forwarder) public view virtual returns (bool) {\n        return _trustedForwarder[forwarder];\n    }\n\n    function _msgSender() internal view virtual override returns (address sender) {\n        if (isTrustedForwarder(msg.sender)) {\n            // The assembly code is more direct than the Solidity version using `abi.decode`.\n            assembly {\n                sender := shr(96, calldataload(sub(calldatasize(), 20)))\n            }\n        } else {\n            return super._msgSender();\n        }\n    }\n\n    function _msgData() internal view virtual override returns (bytes calldata) {\n        if (isTrustedForwarder(msg.sender)) {\n            return msg.data[:msg.data.length - 20];\n        } else {\n            return super._msgData();\n        }\n    }\n\n    uint256[49] private __gap;\n}\n"
    },
    "contracts/openzeppelin-presets/token/ERC20/utils/SafeERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../../../eip/interface/IERC20.sol\";\nimport \"../../../../lib/TWAddress.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n    using TWAddress for address;\n\n    function safeTransfer(\n        IERC20 token,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n    }\n\n    function safeTransferFrom(\n        IERC20 token,\n        address from,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n    }\n\n    /**\n     * @dev Deprecated. This function has issues similar to the ones found in\n     * {IERC20-approve}, and its usage is discouraged.\n     *\n     * Whenever possible, use {safeIncreaseAllowance} and\n     * {safeDecreaseAllowance} instead.\n     */\n    function safeApprove(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        // safeApprove should only be called when setting an initial allowance,\n        // or when resetting it to zero. To increase and decrease it, use\n        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n        require(\n            (value == 0) || (token.allowance(address(this), spender) == 0),\n            \"SafeERC20: approve from non-zero to non-zero allowance\"\n        );\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n    }\n\n    function safeIncreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        uint256 newAllowance = token.allowance(address(this), spender) + value;\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n    }\n\n    function safeDecreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        unchecked {\n            uint256 oldAllowance = token.allowance(address(this), spender);\n            require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n            uint256 newAllowance = oldAllowance - value;\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n        }\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     */\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\n        // the target address contains contract code and also asserts for success in the low-level call.\n\n        bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n        if (returndata.length > 0) {\n            // Return data is optional\n            require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n        }\n    }\n}\n"
    },
    "contracts/token/TokenERC1155.sol": {
      "content": "// SPDX-License-Identifier: Apache-2.0\npragma solidity ^0.8.11;\n\n/// @author thirdweb\n\n//   $$\\     $$\\       $$\\                 $$\\                         $$\\\n//   $$ |    $$ |      \\__|                $$ |                        $$ |\n// $$$$$$\\   $$$$$$$\\  $$\\  $$$$$$\\   $$$$$$$ |$$\\  $$\\  $$\\  $$$$$$\\  $$$$$$$\\\n// \\_$$  _|  $$  __$$\\ $$ |$$  __$$\\ $$  __$$ |$$ | $$ | $$ |$$  __$$\\ $$  __$$\\\n//   $$ |    $$ |  $$ |$$ |$$ |  \\__|$$ /  $$ |$$ | $$ | $$ |$$$$$$$$ |$$ |  $$ |\n//   $$ |$$\\ $$ |  $$ |$$ |$$ |      $$ |  $$ |$$ | $$ | $$ |$$   ____|$$ |  $$ |\n//   \\$$$$  |$$ |  $$ |$$ |$$ |      \\$$$$$$$ |\\$$$$$\\$$$$  |\\$$$$$$$\\ $$$$$$$  |\n//    \\____/ \\__|  \\__|\\__|\\__|       \\_______| \\_____\\____/  \\_______|\\_______/\n\n// Interface\nimport { ITokenERC1155 } from \"../interfaces/token/ITokenERC1155.sol\";\n\nimport \"../interfaces/IThirdwebContract.sol\";\nimport \"../extension/interface/IPlatformFee.sol\";\nimport \"../extension/interface/IPrimarySale.sol\";\nimport \"../extension/interface/IRoyalty.sol\";\nimport \"../extension/interface/IOwnable.sol\";\n\n// Token\nimport \"@openzeppelin/contracts-upgradeable/token/ERC1155/ERC1155Upgradeable.sol\";\n\n// Signature utils\nimport \"@openzeppelin/contracts-upgradeable/utils/cryptography/ECDSAUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/cryptography/draft-EIP712Upgradeable.sol\";\n\n// Access Control + security\nimport \"@openzeppelin/contracts-upgradeable/access/AccessControlEnumerableUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol\";\n\n// Utils\nimport \"@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/MulticallUpgradeable.sol\";\nimport \"../lib/CurrencyTransferLib.sol\";\nimport \"../lib/FeeType.sol\";\nimport \"../openzeppelin-presets/metatx/ERC2771ContextUpgradeable.sol\";\n\n// Helper interfaces\nimport \"@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol\";\n\n// OpenSea operator filter\nimport \"../extension/DefaultOperatorFiltererUpgradeable.sol\";\n\ncontract TokenERC1155 is\n    Initializable,\n    IThirdwebContract,\n    IOwnable,\n    IRoyalty,\n    IPrimarySale,\n    IPlatformFee,\n    EIP712Upgradeable,\n    ReentrancyGuardUpgradeable,\n    ERC2771ContextUpgradeable,\n    MulticallUpgradeable,\n    AccessControlEnumerableUpgradeable,\n    DefaultOperatorFiltererUpgradeable,\n    ERC1155Upgradeable,\n    ITokenERC1155\n{\n    using ECDSAUpgradeable for bytes32;\n    using StringsUpgradeable for uint256;\n\n    bytes32 private constant MODULE_TYPE = bytes32(\"TokenERC1155\");\n    uint256 private constant VERSION = 1;\n\n    /// @dev Fee type variants: percentage fee and flat fee\n    enum PlatformFeeType {\n        Bps,\n        Flat\n    }\n\n    // Token name\n    string public name;\n\n    // Token symbol\n    string public symbol;\n\n    bytes32 private constant TYPEHASH =\n        keccak256(\n            \"MintRequest(address to,address royaltyRecipient,uint256 royaltyBps,address primarySaleRecipient,uint256 tokenId,string uri,uint256 quantity,uint256 pricePerToken,address currency,uint128 validityStartTimestamp,uint128 validityEndTimestamp,bytes32 uid)\"\n        );\n\n    /// @dev Only TRANSFER_ROLE holders can have tokens transferred from or to them, during restricted transfers.\n    bytes32 private constant TRANSFER_ROLE = keccak256(\"TRANSFER_ROLE\");\n    /// @dev Only MINTER_ROLE holders can sign off on `MintRequest`s.\n    bytes32 private constant MINTER_ROLE = keccak256(\"MINTER_ROLE\");\n\n    /// @dev Max bps in the thirdweb system\n    uint256 private constant MAX_BPS = 10_000;\n\n    /// @dev Owner of the contract (purpose: OpenSea compatibility, etc.)\n    address private _owner;\n\n    /// @dev The next token ID of the NFT to mint.\n    uint256 public nextTokenIdToMint;\n\n    /// @dev The adress that receives all primary sales value.\n    address public primarySaleRecipient;\n\n    /// @dev The adress that receives all primary sales value.\n    address public platformFeeRecipient;\n\n    /// @dev The recipient of who gets the royalty.\n    address private royaltyRecipient;\n\n    /// @dev The percentage of royalty how much royalty in basis points.\n    uint128 private royaltyBps;\n\n    /// @dev The % of primary sales collected by the contract as fees.\n    uint128 private platformFeeBps;\n\n    /// @dev The flat amount collected by the contract as fees on primary sales.\n    uint256 private flatPlatformFee;\n\n    /// @dev Fee type variants: percentage fee and flat fee\n    PlatformFeeType private platformFeeType;\n\n    /// @dev Contract level metadata.\n    string public contractURI;\n\n    /// @dev Mapping from mint request UID => whether the mint request is processed.\n    mapping(bytes32 => bool) private minted;\n\n    mapping(uint256 => string) private _tokenURI;\n\n    /// @dev Token ID => total circulating supply of tokens with that ID.\n    mapping(uint256 => uint256) public totalSupply;\n\n    /// @dev Token ID => the address of the recipient of primary sales.\n    mapping(uint256 => address) public saleRecipientForToken;\n\n    /// @dev Token ID => royalty recipient and bps for token\n    mapping(uint256 => RoyaltyInfo) private royaltyInfoForToken;\n\n    /// @dev Emitted when flat fee on primary sales is updated.\n    event FlatPlatformFeeUpdated(address platformFeeRecipient, uint256 flatFee);\n\n    /// @dev Emitted when platform fee type is updated.\n    event PlatformFeeTypeUpdated(PlatformFeeType feeType);\n\n    constructor() initializer {}\n\n    /// @dev Initiliazes the contract, like a constructor.\n    function initialize(\n        address _defaultAdmin,\n        string memory _name,\n        string memory _symbol,\n        string memory _contractURI,\n        address[] memory _trustedForwarders,\n        address _primarySaleRecipient,\n        address _royaltyRecipient,\n        uint128 _royaltyBps,\n        uint128 _platformFeeBps,\n        address _platformFeeRecipient\n    ) external initializer {\n        // Initialize inherited contracts, most base-like -> most derived.\n        __ReentrancyGuard_init();\n        __EIP712_init(\"TokenERC1155\", \"1\");\n        __ERC2771Context_init(_trustedForwarders);\n        __ERC1155_init(\"\");\n\n        // Initialize this contract's state.\n        _setOperatorRestriction(true);\n        name = _name;\n        symbol = _symbol;\n        royaltyRecipient = _royaltyRecipient;\n        royaltyBps = _royaltyBps;\n        platformFeeRecipient = _platformFeeRecipient;\n        primarySaleRecipient = _primarySaleRecipient;\n        contractURI = _contractURI;\n\n        require(_platformFeeBps <= MAX_BPS, \"exceeds MAX_BPS\");\n        platformFeeBps = _platformFeeBps;\n\n        // Fee type Bps by default\n        platformFeeType = PlatformFeeType.Bps;\n\n        _owner = _defaultAdmin;\n        _setupRole(DEFAULT_ADMIN_ROLE, _defaultAdmin);\n        _setupRole(MINTER_ROLE, _defaultAdmin);\n        _setupRole(TRANSFER_ROLE, _defaultAdmin);\n        _setupRole(TRANSFER_ROLE, address(0));\n    }\n\n    ///     =====   Public functions  =====\n\n    /// @dev Returns the module type of the contract.\n    function contractType() external pure returns (bytes32) {\n        return MODULE_TYPE;\n    }\n\n    /// @dev Returns the version of the contract.\n    function contractVersion() external pure returns (uint8) {\n        return uint8(VERSION);\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view returns (address) {\n        return hasRole(DEFAULT_ADMIN_ROLE, _owner) ? _owner : address(0);\n    }\n\n    /// @dev Verifies that a mint request is signed by an account holding MINTER_ROLE (at the time of the function call).\n    function verify(MintRequest calldata _req, bytes calldata _signature) public view returns (bool, address) {\n        address signer = recoverAddress(_req, _signature);\n        return (!minted[_req.uid] && hasRole(MINTER_ROLE, signer), signer);\n    }\n\n    /// @dev Returns the URI for a tokenId\n    function uri(uint256 _tokenId) public view override returns (string memory) {\n        return _tokenURI[_tokenId];\n    }\n\n    /// @dev Lets an account with MINTER_ROLE mint an NFT.\n    function mintTo(\n        address _to,\n        uint256 _tokenId,\n        string calldata _uri,\n        uint256 _amount\n    ) external onlyRole(MINTER_ROLE) {\n        uint256 tokenIdToMint;\n        if (_tokenId == type(uint256).max) {\n            tokenIdToMint = nextTokenIdToMint;\n            nextTokenIdToMint += 1;\n        } else {\n            require(_tokenId < nextTokenIdToMint, \"invalid id\");\n            tokenIdToMint = _tokenId;\n        }\n\n        // `_mintTo` is re-used. `mintTo` just adds a minter role check.\n        _mintTo(_to, _uri, tokenIdToMint, _amount);\n    }\n\n    ///     =====   External functions  =====\n\n    /// @dev See EIP-2981\n    function royaltyInfo(uint256 tokenId, uint256 salePrice)\n        external\n        view\n        virtual\n        returns (address receiver, uint256 royaltyAmount)\n    {\n        (address recipient, uint256 bps) = getRoyaltyInfoForToken(tokenId);\n        receiver = recipient;\n        royaltyAmount = (salePrice * bps) / MAX_BPS;\n    }\n\n    /// @dev Mints an NFT according to the provided mint request.\n    function mintWithSignature(MintRequest calldata _req, bytes calldata _signature) external payable nonReentrant {\n        address signer = verifyRequest(_req, _signature);\n        address receiver = _req.to;\n\n        uint256 tokenIdToMint;\n        if (_req.tokenId == type(uint256).max) {\n            tokenIdToMint = nextTokenIdToMint;\n            nextTokenIdToMint += 1;\n        } else {\n            require(_req.tokenId < nextTokenIdToMint, \"invalid id\");\n            tokenIdToMint = _req.tokenId;\n        }\n\n        if (_req.royaltyRecipient != address(0)) {\n            royaltyInfoForToken[tokenIdToMint] = RoyaltyInfo({\n                recipient: _req.royaltyRecipient,\n                bps: _req.royaltyBps\n            });\n        }\n\n        _mintTo(receiver, _req.uri, tokenIdToMint, _req.quantity);\n\n        collectPrice(_req);\n\n        emit TokensMintedWithSignature(signer, receiver, tokenIdToMint, _req);\n    }\n\n    //      =====   Setter functions  =====\n\n    /// @dev Lets a module admin set the default recipient of all primary sales.\n    function setPrimarySaleRecipient(address _saleRecipient) external onlyRole(DEFAULT_ADMIN_ROLE) {\n        primarySaleRecipient = _saleRecipient;\n        emit PrimarySaleRecipientUpdated(_saleRecipient);\n    }\n\n    /// @dev Lets a module admin update the royalty bps and recipient.\n    function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps)\n        external\n        onlyRole(DEFAULT_ADMIN_ROLE)\n    {\n        require(_royaltyBps <= MAX_BPS, \"exceed royalty bps\");\n\n        royaltyRecipient = _royaltyRecipient;\n        royaltyBps = uint128(_royaltyBps);\n\n        emit DefaultRoyalty(_royaltyRecipient, _royaltyBps);\n    }\n\n    /// @dev Lets a module admin set the royalty recipient for a particular token Id.\n    function setRoyaltyInfoForToken(\n        uint256 _tokenId,\n        address _recipient,\n        uint256 _bps\n    ) external onlyRole(DEFAULT_ADMIN_ROLE) {\n        require(_bps <= MAX_BPS, \"exceed royalty bps\");\n\n        royaltyInfoForToken[_tokenId] = RoyaltyInfo({ recipient: _recipient, bps: _bps });\n\n        emit RoyaltyForToken(_tokenId, _recipient, _bps);\n    }\n\n    /// @dev Lets a module admin update the fees on primary sales.\n    function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps)\n        external\n        onlyRole(DEFAULT_ADMIN_ROLE)\n    {\n        require(_platformFeeBps <= MAX_BPS, \"exceeds MAX_BPS\");\n\n        platformFeeBps = uint64(_platformFeeBps);\n        platformFeeRecipient = _platformFeeRecipient;\n\n        emit PlatformFeeInfoUpdated(_platformFeeRecipient, _platformFeeBps);\n    }\n\n    /// @dev Lets a module admin set a flat fee on primary sales.\n    function setFlatPlatformFeeInfo(address _platformFeeRecipient, uint256 _flatFee)\n        external\n        onlyRole(DEFAULT_ADMIN_ROLE)\n    {\n        flatPlatformFee = _flatFee;\n        platformFeeRecipient = _platformFeeRecipient;\n\n        emit FlatPlatformFeeUpdated(_platformFeeRecipient, _flatFee);\n    }\n\n    /// @dev Lets a module admin set a flat fee on primary sales.\n    function setPlatformFeeType(PlatformFeeType _feeType) external onlyRole(DEFAULT_ADMIN_ROLE) {\n        platformFeeType = _feeType;\n\n        emit PlatformFeeTypeUpdated(_feeType);\n    }\n\n    /// @dev Lets a module admin set a new owner for the contract. The new owner must be a module admin.\n    function setOwner(address _newOwner) external onlyRole(DEFAULT_ADMIN_ROLE) {\n        require(hasRole(DEFAULT_ADMIN_ROLE, _newOwner), \"new owner not module admin.\");\n        address _prevOwner = _owner;\n        _owner = _newOwner;\n\n        emit OwnerUpdated(_prevOwner, _newOwner);\n    }\n\n    /// @dev Lets a module admin set the URI for contract-level metadata.\n    function setContractURI(string calldata _uri) external onlyRole(DEFAULT_ADMIN_ROLE) {\n        contractURI = _uri;\n    }\n\n    ///     =====   Getter functions    =====\n\n    /// @dev Returns the platform fee bps and recipient.\n    function getPlatformFeeInfo() external view returns (address, uint16) {\n        return (platformFeeRecipient, uint16(platformFeeBps));\n    }\n\n    /// @dev Returns the flat platform fee and recipient.\n    function getFlatPlatformFeeInfo() external view returns (address, uint256) {\n        return (platformFeeRecipient, flatPlatformFee);\n    }\n\n    /// @dev Returns the platform fee type.\n    function getPlatformFeeType() external view returns (PlatformFeeType) {\n        return platformFeeType;\n    }\n\n    /// @dev Returns default royalty info.\n    function getDefaultRoyaltyInfo() external view returns (address, uint16) {\n        return (royaltyRecipient, uint16(royaltyBps));\n    }\n\n    /// @dev Returns the royalty recipient for a particular token Id.\n    function getRoyaltyInfoForToken(uint256 _tokenId) public view returns (address, uint16) {\n        RoyaltyInfo memory royaltyForToken = royaltyInfoForToken[_tokenId];\n\n        return\n            royaltyForToken.recipient == address(0)\n                ? (royaltyRecipient, uint16(royaltyBps))\n                : (royaltyForToken.recipient, uint16(royaltyForToken.bps));\n    }\n\n    ///     =====   Internal functions  =====\n\n    /// @dev Mints an NFT to `to`\n    function _mintTo(\n        address _to,\n        string calldata _uri,\n        uint256 _tokenId,\n        uint256 _amount\n    ) internal {\n        if (bytes(_tokenURI[_tokenId]).length == 0) {\n            require(bytes(_uri).length > 0, \"empty uri.\");\n            _tokenURI[_tokenId] = _uri;\n        }\n\n        _mint(_to, _tokenId, _amount, \"\");\n\n        emit TokensMinted(_to, _tokenId, _tokenURI[_tokenId], _amount);\n    }\n\n    /// @dev Returns the address of the signer of the mint request.\n    function recoverAddress(MintRequest calldata _req, bytes calldata _signature) internal view returns (address) {\n        return _hashTypedDataV4(keccak256(_encodeRequest(_req))).recover(_signature);\n    }\n\n    /// @dev Resolves 'stack too deep' error in `recoverAddress`.\n    function _encodeRequest(MintRequest calldata _req) internal pure returns (bytes memory) {\n        return\n            abi.encode(\n                TYPEHASH,\n                _req.to,\n                _req.royaltyRecipient,\n                _req.royaltyBps,\n                _req.primarySaleRecipient,\n                _req.tokenId,\n                keccak256(bytes(_req.uri)),\n                _req.quantity,\n                _req.pricePerToken,\n                _req.currency,\n                _req.validityStartTimestamp,\n                _req.validityEndTimestamp,\n                _req.uid\n            );\n    }\n\n    /// @dev Verifies that a mint request is valid.\n    function verifyRequest(MintRequest calldata _req, bytes calldata _signature) internal returns (address) {\n        (bool success, address signer) = verify(_req, _signature);\n        require(success, \"invalid signature\");\n\n        require(\n            _req.validityStartTimestamp <= block.timestamp && _req.validityEndTimestamp >= block.timestamp,\n            \"request expired\"\n        );\n        require(_req.to != address(0), \"recipient undefined\");\n        require(_req.quantity > 0, \"zero quantity\");\n\n        minted[_req.uid] = true;\n\n        return signer;\n    }\n\n    /// @dev Collects and distributes the primary sale value of tokens being claimed.\n    function collectPrice(MintRequest calldata _req) internal {\n        if (_req.pricePerToken == 0) {\n            return;\n        }\n\n        uint256 totalPrice = _req.pricePerToken * _req.quantity;\n        uint256 platformFees = platformFeeType == PlatformFeeType.Flat\n            ? flatPlatformFee\n            : ((totalPrice * platformFeeBps) / MAX_BPS);\n        require(totalPrice >= platformFees, \"price less than platform fee\");\n\n        if (_req.currency == CurrencyTransferLib.NATIVE_TOKEN) {\n            require(msg.value == totalPrice, \"must send total price.\");\n        } else {\n            require(msg.value == 0, \"msg value not zero\");\n        }\n\n        address saleRecipient = _req.primarySaleRecipient == address(0)\n            ? primarySaleRecipient\n            : _req.primarySaleRecipient;\n\n        CurrencyTransferLib.transferCurrency(_req.currency, _msgSender(), platformFeeRecipient, platformFees);\n        CurrencyTransferLib.transferCurrency(_req.currency, _msgSender(), saleRecipient, totalPrice - platformFees);\n    }\n\n    ///     =====   Low-level overrides  =====\n\n    /// @dev Lets a token owner burn the tokens they own (i.e. destroy for good)\n    function burn(\n        address account,\n        uint256 id,\n        uint256 value\n    ) public virtual {\n        require(\n            account == _msgSender() || isApprovedForAll(account, _msgSender()),\n            \"ERC1155: caller is not owner nor approved.\"\n        );\n\n        _burn(account, id, value);\n    }\n\n    /// @dev Lets a token owner burn multiple tokens they own at once (i.e. destroy for good)\n    function burnBatch(\n        address account,\n        uint256[] memory ids,\n        uint256[] memory values\n    ) public virtual {\n        require(\n            account == _msgSender() || isApprovedForAll(account, _msgSender()),\n            \"ERC1155: caller is not owner nor approved.\"\n        );\n\n        _burnBatch(account, ids, values);\n    }\n\n    /**\n     * @dev See {ERC1155-_beforeTokenTransfer}.\n     */\n    function _beforeTokenTransfer(\n        address operator,\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory amounts,\n        bytes memory data\n    ) internal virtual override {\n        super._beforeTokenTransfer(operator, from, to, ids, amounts, data);\n\n        // if transfer is restricted on the contract, we still want to allow burning and minting\n        if (!hasRole(TRANSFER_ROLE, address(0)) && from != address(0) && to != address(0)) {\n            require(hasRole(TRANSFER_ROLE, from) || hasRole(TRANSFER_ROLE, to), \"restricted to TRANSFER_ROLE holders.\");\n        }\n\n        if (from == address(0)) {\n            for (uint256 i = 0; i < ids.length; ++i) {\n                totalSupply[ids[i]] += amounts[i];\n            }\n        }\n\n        if (to == address(0)) {\n            for (uint256 i = 0; i < ids.length; ++i) {\n                totalSupply[ids[i]] -= amounts[i];\n            }\n        }\n    }\n\n    /// @dev See {ERC1155-setApprovalForAll}\n    function setApprovalForAll(address operator, bool approved)\n        public\n        override(ERC1155Upgradeable, IERC1155Upgradeable)\n        onlyAllowedOperatorApproval(operator)\n    {\n        super.setApprovalForAll(operator, approved);\n    }\n\n    /**\n     * @dev See {IERC1155-safeTransferFrom}.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 id,\n        uint256 amount,\n        bytes memory data\n    ) public override(ERC1155Upgradeable, IERC1155Upgradeable) onlyAllowedOperator(from) {\n        super.safeTransferFrom(from, to, id, amount, data);\n    }\n\n    /**\n     * @dev See {IERC1155-safeBatchTransferFrom}.\n     */\n    function safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory amounts,\n        bytes memory data\n    ) public override(ERC1155Upgradeable, IERC1155Upgradeable) onlyAllowedOperator(from) {\n        super.safeBatchTransferFrom(from, to, ids, amounts, data);\n    }\n\n    function supportsInterface(bytes4 interfaceId)\n        public\n        view\n        virtual\n        override(AccessControlEnumerableUpgradeable, ERC1155Upgradeable, IERC165Upgradeable, IERC165)\n        returns (bool)\n    {\n        return\n            super.supportsInterface(interfaceId) ||\n            interfaceId == type(IERC1155Upgradeable).interfaceId ||\n            interfaceId == type(IERC2981Upgradeable).interfaceId;\n    }\n\n    /// @dev Returns whether operator restriction can be set in the given execution context.\n    function _canSetOperatorRestriction() internal virtual override returns (bool) {\n        return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());\n    }\n\n    function _msgSender()\n        internal\n        view\n        virtual\n        override(ContextUpgradeable, ERC2771ContextUpgradeable)\n        returns (address sender)\n    {\n        return ERC2771ContextUpgradeable._msgSender();\n    }\n\n    function _msgData()\n        internal\n        view\n        virtual\n        override(ContextUpgradeable, ERC2771ContextUpgradeable)\n        returns (bytes calldata)\n    {\n        return ERC2771ContextUpgradeable._msgData();\n    }\n}\n"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/access/AccessControlEnumerableUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IAccessControlEnumerableUpgradeable.sol\";\nimport \"./AccessControlUpgradeable.sol\";\nimport \"../utils/structs/EnumerableSetUpgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Extension of {AccessControl} that allows enumerating the members of each role.\n */\nabstract contract AccessControlEnumerableUpgradeable is Initializable, IAccessControlEnumerableUpgradeable, AccessControlUpgradeable {\n    function __AccessControlEnumerable_init() internal onlyInitializing {\n    }\n\n    function __AccessControlEnumerable_init_unchained() internal onlyInitializing {\n    }\n    using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet;\n\n    mapping(bytes32 => EnumerableSetUpgradeable.AddressSet) private _roleMembers;\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IAccessControlEnumerableUpgradeable).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev Returns one of the accounts that have `role`. `index` must be a\n     * value between 0 and {getRoleMemberCount}, non-inclusive.\n     *\n     * Role bearers are not sorted in any particular way, and their ordering may\n     * change at any point.\n     *\n     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure\n     * you perform all queries on the same block. See the following\n     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]\n     * for more information.\n     */\n    function getRoleMember(bytes32 role, uint256 index) public view virtual override returns (address) {\n        return _roleMembers[role].at(index);\n    }\n\n    /**\n     * @dev Returns the number of accounts that have `role`. Can be used\n     * together with {getRoleMember} to enumerate all bearers of a role.\n     */\n    function getRoleMemberCount(bytes32 role) public view virtual override returns (uint256) {\n        return _roleMembers[role].length();\n    }\n\n    /**\n     * @dev Overload {_grantRole} to track enumerable memberships\n     */\n    function _grantRole(bytes32 role, address account) internal virtual override {\n        super._grantRole(role, account);\n        _roleMembers[role].add(account);\n    }\n\n    /**\n     * @dev Overload {_revokeRole} to track enumerable memberships\n     */\n    function _revokeRole(bytes32 role, address account) internal virtual override {\n        super._revokeRole(role, account);\n        _roleMembers[role].remove(account);\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"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/AccessControl.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IAccessControlUpgradeable.sol\";\nimport \"../utils/ContextUpgradeable.sol\";\nimport \"../utils/StringsUpgradeable.sol\";\nimport \"../utils/introspection/ERC165Upgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module that allows children to implement role-based access\n * control mechanisms. This is a lightweight version that doesn't allow enumerating role\n * members except through off-chain means by accessing the contract event logs. Some\n * applications may benefit from on-chain enumerability, for those cases see\n * {AccessControlEnumerable}.\n *\n * Roles are referred to by their `bytes32` identifier. These should be exposed\n * in the external API and be unique. The best way to achieve this is by\n * using `public constant` hash digests:\n *\n * ```\n * bytes32 public constant MY_ROLE = keccak256(\"MY_ROLE\");\n * ```\n *\n * Roles can be used to represent a set of permissions. To restrict access to a\n * function call, use {hasRole}:\n *\n * ```\n * function foo() public {\n *     require(hasRole(MY_ROLE, msg.sender));\n *     ...\n * }\n * ```\n *\n * Roles can be granted and revoked dynamically via the {grantRole} and\n * {revokeRole} functions. Each role has an associated admin role, and only\n * accounts that have a role's admin role can call {grantRole} and {revokeRole}.\n *\n * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means\n * that only accounts with this role will be able to grant or revoke other\n * roles. More complex role relationships can be created by using\n * {_setRoleAdmin}.\n *\n * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to\n * grant and revoke this role. Extra precautions should be taken to secure\n * accounts that have been granted it.\n */\nabstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {\n    function __AccessControl_init() internal onlyInitializing {\n    }\n\n    function __AccessControl_init_unchained() internal onlyInitializing {\n    }\n    struct RoleData {\n        mapping(address => bool) members;\n        bytes32 adminRole;\n    }\n\n    mapping(bytes32 => RoleData) private _roles;\n\n    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;\n\n    /**\n     * @dev Modifier that checks that an account has a specific role. Reverts\n     * with a standardized message including the required role.\n     *\n     * The format of the revert reason is given by the following regular expression:\n     *\n     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n     *\n     * _Available since v4.1._\n     */\n    modifier onlyRole(bytes32 role) {\n        _checkRole(role);\n        _;\n    }\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev Returns `true` if `account` has been granted `role`.\n     */\n    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {\n        return _roles[role].members[account];\n    }\n\n    /**\n     * @dev Revert with a standard message if `_msgSender()` is missing `role`.\n     * Overriding this function changes the behavior of the {onlyRole} modifier.\n     *\n     * Format of the revert message is described in {_checkRole}.\n     *\n     * _Available since v4.6._\n     */\n    function _checkRole(bytes32 role) internal view virtual {\n        _checkRole(role, _msgSender());\n    }\n\n    /**\n     * @dev Revert with a standard message if `account` is missing `role`.\n     *\n     * The format of the revert reason is given by the following regular expression:\n     *\n     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n     */\n    function _checkRole(bytes32 role, address account) internal view virtual {\n        if (!hasRole(role, account)) {\n            revert(\n                string(\n                    abi.encodePacked(\n                        \"AccessControl: account \",\n                        StringsUpgradeable.toHexString(uint160(account), 20),\n                        \" is missing role \",\n                        StringsUpgradeable.toHexString(uint256(role), 32)\n                    )\n                )\n            );\n        }\n    }\n\n    /**\n     * @dev Returns the admin role that controls `role`. See {grantRole} and\n     * {revokeRole}.\n     *\n     * To change a role's admin, use {_setRoleAdmin}.\n     */\n    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {\n        return _roles[role].adminRole;\n    }\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     *\n     * May emit a {RoleGranted} event.\n     */\n    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n        _grantRole(role, account);\n    }\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * If `account` had been granted `role`, emits a {RoleRevoked} event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     *\n     * May emit a {RoleRevoked} event.\n     */\n    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n        _revokeRole(role, account);\n    }\n\n    /**\n     * @dev Revokes `role` from the calling account.\n     *\n     * Roles are often managed via {grantRole} and {revokeRole}: this function's\n     * purpose is to provide a mechanism for accounts to lose their privileges\n     * if they are compromised (such as when a trusted device is misplaced).\n     *\n     * If the calling account had been revoked `role`, emits a {RoleRevoked}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must be `account`.\n     *\n     * May emit a {RoleRevoked} event.\n     */\n    function renounceRole(bytes32 role, address account) public virtual override {\n        require(account == _msgSender(), \"AccessControl: can only renounce roles for self\");\n\n        _revokeRole(role, account);\n    }\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event. Note that unlike {grantRole}, this function doesn't perform any\n     * checks on the calling account.\n     *\n     * May emit a {RoleGranted} event.\n     *\n     * [WARNING]\n     * ====\n     * This function should only be called from the constructor when setting\n     * up the initial roles for the system.\n     *\n     * Using this function in any other way is effectively circumventing the admin\n     * system imposed by {AccessControl}.\n     * ====\n     *\n     * NOTE: This function is deprecated in favor of {_grantRole}.\n     */\n    function _setupRole(bytes32 role, address account) internal virtual {\n        _grantRole(role, account);\n    }\n\n    /**\n     * @dev Sets `adminRole` as ``role``'s admin role.\n     *\n     * Emits a {RoleAdminChanged} event.\n     */\n    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {\n        bytes32 previousAdminRole = getRoleAdmin(role);\n        _roles[role].adminRole = adminRole;\n        emit RoleAdminChanged(role, previousAdminRole, adminRole);\n    }\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * Internal function without access restriction.\n     *\n     * May emit a {RoleGranted} event.\n     */\n    function _grantRole(bytes32 role, address account) internal virtual {\n        if (!hasRole(role, account)) {\n            _roles[role].members[account] = true;\n            emit RoleGranted(role, account, _msgSender());\n        }\n    }\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * Internal function without access restriction.\n     *\n     * May emit a {RoleRevoked} event.\n     */\n    function _revokeRole(bytes32 role, address account) internal virtual {\n        if (hasRole(role, account)) {\n            _roles[role].members[account] = false;\n            emit RoleRevoked(role, account, _msgSender());\n        }\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"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/access/IAccessControlEnumerableUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IAccessControlUpgradeable.sol\";\n\n/**\n * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.\n */\ninterface IAccessControlEnumerableUpgradeable is IAccessControlUpgradeable {\n    /**\n     * @dev Returns one of the accounts that have `role`. `index` must be a\n     * value between 0 and {getRoleMemberCount}, non-inclusive.\n     *\n     * Role bearers are not sorted in any particular way, and their ordering may\n     * change at any point.\n     *\n     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure\n     * you perform all queries on the same block. See the following\n     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]\n     * for more information.\n     */\n    function getRoleMember(bytes32 role, uint256 index) external view returns (address);\n\n    /**\n     * @dev Returns the number of accounts that have `role`. Can be used\n     * together with {getRoleMember} to enumerate all bearers of a role.\n     */\n    function getRoleMemberCount(bytes32 role) external view returns (uint256);\n}\n"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/access/IAccessControlUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev External interface of AccessControl declared to support ERC165 detection.\n */\ninterface IAccessControlUpgradeable {\n    /**\n     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`\n     *\n     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite\n     * {RoleAdminChanged} not being emitted signaling this.\n     *\n     * _Available since v3.1._\n     */\n    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);\n\n    /**\n     * @dev Emitted when `account` is granted `role`.\n     *\n     * `sender` is the account that originated the contract call, an admin role\n     * bearer except when using {AccessControl-_setupRole}.\n     */\n    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);\n\n    /**\n     * @dev Emitted when `account` is revoked `role`.\n     *\n     * `sender` is the account that originated the contract call:\n     *   - if using `revokeRole`, it is the admin role bearer\n     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)\n     */\n    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);\n\n    /**\n     * @dev Returns `true` if `account` has been granted `role`.\n     */\n    function hasRole(bytes32 role, address account) external view returns (bool);\n\n    /**\n     * @dev Returns the admin role that controls `role`. See {grantRole} and\n     * {revokeRole}.\n     *\n     * To change a role's admin, use {AccessControl-_setRoleAdmin}.\n     */\n    function getRoleAdmin(bytes32 role) external view returns (bytes32);\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function grantRole(bytes32 role, address account) external;\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * If `account` had been granted `role`, emits a {RoleRevoked} event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function revokeRole(bytes32 role, address account) external;\n\n    /**\n     * @dev Revokes `role` from the calling account.\n     *\n     * Roles are often managed via {grantRole} and {revokeRole}: this function's\n     * purpose is to provide a mechanism for accounts to lose their privileges\n     * if they are compromised (such as when a trusted device is misplaced).\n     *\n     * If the calling account had been granted `role`, emits a {RoleRevoked}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must be `account`.\n     */\n    function renounceRole(bytes32 role, address account) external;\n}\n"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/introspection/IERC165Upgradeable.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n *\n * _Available since v4.5._\n */\ninterface IERC2981Upgradeable is IERC165Upgradeable {\n    /**\n     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.\n     */\n    function royaltyInfo(uint256 tokenId, uint256 salePrice)\n        external\n        view\n        returns (address receiver, uint256 royaltyAmount);\n}\n"
    },
    "node_modules/@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"
    },
    "node_modules/@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"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/token/ERC1155/ERC1155Upgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/ERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC1155Upgradeable.sol\";\nimport \"./IERC1155ReceiverUpgradeable.sol\";\nimport \"./extensions/IERC1155MetadataURIUpgradeable.sol\";\nimport \"../../utils/AddressUpgradeable.sol\";\nimport \"../../utils/ContextUpgradeable.sol\";\nimport \"../../utils/introspection/ERC165Upgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Implementation of the basic standard multi-token.\n * See https://eips.ethereum.org/EIPS/eip-1155\n * Originally based on code by Enjin: https://github.com/enjin/erc-1155\n *\n * _Available since v3.1._\n */\ncontract ERC1155Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC1155Upgradeable, IERC1155MetadataURIUpgradeable {\n    using AddressUpgradeable for address;\n\n    // Mapping from token ID to account balances\n    mapping(uint256 => mapping(address => uint256)) private _balances;\n\n    // Mapping from account to operator approvals\n    mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n    // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json\n    string private _uri;\n\n    /**\n     * @dev See {_setURI}.\n     */\n    function __ERC1155_init(string memory uri_) internal onlyInitializing {\n        __ERC1155_init_unchained(uri_);\n    }\n\n    function __ERC1155_init_unchained(string memory uri_) internal onlyInitializing {\n        _setURI(uri_);\n    }\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {\n        return\n            interfaceId == type(IERC1155Upgradeable).interfaceId ||\n            interfaceId == type(IERC1155MetadataURIUpgradeable).interfaceId ||\n            super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev See {IERC1155MetadataURI-uri}.\n     *\n     * This implementation returns the same URI for *all* token types. It relies\n     * on the token type ID substitution mechanism\n     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].\n     *\n     * Clients calling this function must replace the `\\{id\\}` substring with the\n     * actual token type ID.\n     */\n    function uri(uint256) public view virtual override returns (string memory) {\n        return _uri;\n    }\n\n    /**\n     * @dev See {IERC1155-balanceOf}.\n     *\n     * Requirements:\n     *\n     * - `account` cannot be the zero address.\n     */\n    function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {\n        require(account != address(0), \"ERC1155: address zero is not a valid owner\");\n        return _balances[id][account];\n    }\n\n    /**\n     * @dev See {IERC1155-balanceOfBatch}.\n     *\n     * Requirements:\n     *\n     * - `accounts` and `ids` must have the same length.\n     */\n    function balanceOfBatch(address[] memory accounts, uint256[] memory ids)\n        public\n        view\n        virtual\n        override\n        returns (uint256[] memory)\n    {\n        require(accounts.length == ids.length, \"ERC1155: accounts and ids length mismatch\");\n\n        uint256[] memory batchBalances = new uint256[](accounts.length);\n\n        for (uint256 i = 0; i < accounts.length; ++i) {\n            batchBalances[i] = balanceOf(accounts[i], ids[i]);\n        }\n\n        return batchBalances;\n    }\n\n    /**\n     * @dev See {IERC1155-setApprovalForAll}.\n     */\n    function setApprovalForAll(address operator, bool approved) public virtual override {\n        _setApprovalForAll(_msgSender(), operator, approved);\n    }\n\n    /**\n     * @dev See {IERC1155-isApprovedForAll}.\n     */\n    function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {\n        return _operatorApprovals[account][operator];\n    }\n\n    /**\n     * @dev See {IERC1155-safeTransferFrom}.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 id,\n        uint256 amount,\n        bytes memory data\n    ) public virtual override {\n        require(\n            from == _msgSender() || isApprovedForAll(from, _msgSender()),\n            \"ERC1155: caller is not token owner nor approved\"\n        );\n        _safeTransferFrom(from, to, id, amount, data);\n    }\n\n    /**\n     * @dev See {IERC1155-safeBatchTransferFrom}.\n     */\n    function safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory amounts,\n        bytes memory data\n    ) public virtual override {\n        require(\n            from == _msgSender() || isApprovedForAll(from, _msgSender()),\n            \"ERC1155: caller is not token owner nor approved\"\n        );\n        _safeBatchTransferFrom(from, to, ids, amounts, data);\n    }\n\n    /**\n     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n     *\n     * Emits a {TransferSingle} event.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - `from` must have a balance of tokens of type `id` of at least `amount`.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n     * acceptance magic value.\n     */\n    function _safeTransferFrom(\n        address from,\n        address to,\n        uint256 id,\n        uint256 amount,\n        bytes memory data\n    ) internal virtual {\n        require(to != address(0), \"ERC1155: transfer to the zero address\");\n\n        address operator = _msgSender();\n        uint256[] memory ids = _asSingletonArray(id);\n        uint256[] memory amounts = _asSingletonArray(amount);\n\n        _beforeTokenTransfer(operator, from, to, ids, amounts, data);\n\n        uint256 fromBalance = _balances[id][from];\n        require(fromBalance >= amount, \"ERC1155: insufficient balance for transfer\");\n        unchecked {\n            _balances[id][from] = fromBalance - amount;\n        }\n        _balances[id][to] += amount;\n\n        emit TransferSingle(operator, from, to, id, amount);\n\n        _afterTokenTransfer(operator, from, to, ids, amounts, data);\n\n        _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);\n    }\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.\n     *\n     * Emits a {TransferBatch} event.\n     *\n     * Requirements:\n     *\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n     * acceptance magic value.\n     */\n    function _safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory amounts,\n        bytes memory data\n    ) internal virtual {\n        require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n        require(to != address(0), \"ERC1155: transfer to the zero address\");\n\n        address operator = _msgSender();\n\n        _beforeTokenTransfer(operator, from, to, ids, amounts, data);\n\n        for (uint256 i = 0; i < ids.length; ++i) {\n            uint256 id = ids[i];\n            uint256 amount = amounts[i];\n\n            uint256 fromBalance = _balances[id][from];\n            require(fromBalance >= amount, \"ERC1155: insufficient balance for transfer\");\n            unchecked {\n                _balances[id][from] = fromBalance - amount;\n            }\n            _balances[id][to] += amount;\n        }\n\n        emit TransferBatch(operator, from, to, ids, amounts);\n\n        _afterTokenTransfer(operator, from, to, ids, amounts, data);\n\n        _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);\n    }\n\n    /**\n     * @dev Sets a new URI for all token types, by relying on the token type ID\n     * substitution mechanism\n     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].\n     *\n     * By this mechanism, any occurrence of the `\\{id\\}` substring in either the\n     * URI or any of the amounts in the JSON file at said URI will be replaced by\n     * clients with the token type ID.\n     *\n     * For example, the `https://token-cdn-domain/\\{id\\}.json` URI would be\n     * interpreted by clients as\n     * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`\n     * for token type ID 0x4cce0.\n     *\n     * See {uri}.\n     *\n     * Because these URIs cannot be meaningfully represented by the {URI} event,\n     * this function emits no events.\n     */\n    function _setURI(string memory newuri) internal virtual {\n        _uri = newuri;\n    }\n\n    /**\n     * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.\n     *\n     * Emits a {TransferSingle} event.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n     * acceptance magic value.\n     */\n    function _mint(\n        address to,\n        uint256 id,\n        uint256 amount,\n        bytes memory data\n    ) internal virtual {\n        require(to != address(0), \"ERC1155: mint to the zero address\");\n\n        address operator = _msgSender();\n        uint256[] memory ids = _asSingletonArray(id);\n        uint256[] memory amounts = _asSingletonArray(amount);\n\n        _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n        _balances[id][to] += amount;\n        emit TransferSingle(operator, address(0), to, id, amount);\n\n        _afterTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n        _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);\n    }\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.\n     *\n     * Emits a {TransferBatch} event.\n     *\n     * Requirements:\n     *\n     * - `ids` and `amounts` must have the same length.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n     * acceptance magic value.\n     */\n    function _mintBatch(\n        address to,\n        uint256[] memory ids,\n        uint256[] memory amounts,\n        bytes memory data\n    ) internal virtual {\n        require(to != address(0), \"ERC1155: mint to the zero address\");\n        require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n\n        address operator = _msgSender();\n\n        _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n        for (uint256 i = 0; i < ids.length; i++) {\n            _balances[ids[i]][to] += amounts[i];\n        }\n\n        emit TransferBatch(operator, address(0), to, ids, amounts);\n\n        _afterTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n        _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);\n    }\n\n    /**\n     * @dev Destroys `amount` tokens of token type `id` from `from`\n     *\n     * Emits a {TransferSingle} event.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `from` must have at least `amount` tokens of token type `id`.\n     */\n    function _burn(\n        address from,\n        uint256 id,\n        uint256 amount\n    ) internal virtual {\n        require(from != address(0), \"ERC1155: burn from the zero address\");\n\n        address operator = _msgSender();\n        uint256[] memory ids = _asSingletonArray(id);\n        uint256[] memory amounts = _asSingletonArray(amount);\n\n        _beforeTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n\n        uint256 fromBalance = _balances[id][from];\n        require(fromBalance >= amount, \"ERC1155: burn amount exceeds balance\");\n        unchecked {\n            _balances[id][from] = fromBalance - amount;\n        }\n\n        emit TransferSingle(operator, from, address(0), id, amount);\n\n        _afterTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n    }\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.\n     *\n     * Emits a {TransferBatch} event.\n     *\n     * Requirements:\n     *\n     * - `ids` and `amounts` must have the same length.\n     */\n    function _burnBatch(\n        address from,\n        uint256[] memory ids,\n        uint256[] memory amounts\n    ) internal virtual {\n        require(from != address(0), \"ERC1155: burn from the zero address\");\n        require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n\n        address operator = _msgSender();\n\n        _beforeTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n\n        for (uint256 i = 0; i < ids.length; i++) {\n            uint256 id = ids[i];\n            uint256 amount = amounts[i];\n\n            uint256 fromBalance = _balances[id][from];\n            require(fromBalance >= amount, \"ERC1155: burn amount exceeds balance\");\n            unchecked {\n                _balances[id][from] = fromBalance - amount;\n            }\n        }\n\n        emit TransferBatch(operator, from, address(0), ids, amounts);\n\n        _afterTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n    }\n\n    /**\n     * @dev Approve `operator` to operate on all of `owner` tokens\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function _setApprovalForAll(\n        address owner,\n        address operator,\n        bool approved\n    ) internal virtual {\n        require(owner != operator, \"ERC1155: setting approval status for self\");\n        _operatorApprovals[owner][operator] = approved;\n        emit ApprovalForAll(owner, operator, approved);\n    }\n\n    /**\n     * @dev Hook that is called before any token transfer. This includes minting\n     * and burning, as well as batched variants.\n     *\n     * The same hook is called on both single and batched variants. For single\n     * transfers, the length of the `ids` and `amounts` arrays will be 1.\n     *\n     * Calling conditions (for each `id` and `amount` pair):\n     *\n     * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n     * of token type `id` will be  transferred to `to`.\n     * - When `from` is zero, `amount` tokens of token type `id` will be minted\n     * for `to`.\n     * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`\n     * will be burned.\n     * - `from` and `to` are never both zero.\n     * - `ids` and `amounts` have the same, non-zero length.\n     *\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n     */\n    function _beforeTokenTransfer(\n        address operator,\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory amounts,\n        bytes memory data\n    ) internal virtual {}\n\n    /**\n     * @dev Hook that is called after any token transfer. This includes minting\n     * and burning, as well as batched variants.\n     *\n     * The same hook is called on both single and batched variants. For single\n     * transfers, the length of the `id` and `amount` arrays will be 1.\n     *\n     * Calling conditions (for each `id` and `amount` pair):\n     *\n     * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n     * of token type `id` will be  transferred to `to`.\n     * - When `from` is zero, `amount` tokens of token type `id` will be minted\n     * for `to`.\n     * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`\n     * will be burned.\n     * - `from` and `to` are never both zero.\n     * - `ids` and `amounts` have the same, non-zero length.\n     *\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n     */\n    function _afterTokenTransfer(\n        address operator,\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory amounts,\n        bytes memory data\n    ) internal virtual {}\n\n    function _doSafeTransferAcceptanceCheck(\n        address operator,\n        address from,\n        address to,\n        uint256 id,\n        uint256 amount,\n        bytes memory data\n    ) private {\n        if (to.isContract()) {\n            try IERC1155ReceiverUpgradeable(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {\n                if (response != IERC1155ReceiverUpgradeable.onERC1155Received.selector) {\n                    revert(\"ERC1155: ERC1155Receiver rejected tokens\");\n                }\n            } catch Error(string memory reason) {\n                revert(reason);\n            } catch {\n                revert(\"ERC1155: transfer to non ERC1155Receiver implementer\");\n            }\n        }\n    }\n\n    function _doSafeBatchTransferAcceptanceCheck(\n        address operator,\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory amounts,\n        bytes memory data\n    ) private {\n        if (to.isContract()) {\n            try IERC1155ReceiverUpgradeable(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (\n                bytes4 response\n            ) {\n                if (response != IERC1155ReceiverUpgradeable.onERC1155BatchReceived.selector) {\n                    revert(\"ERC1155: ERC1155Receiver rejected tokens\");\n                }\n            } catch Error(string memory reason) {\n                revert(reason);\n            } catch {\n                revert(\"ERC1155: transfer to non ERC1155Receiver implementer\");\n            }\n        }\n    }\n\n    function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {\n        uint256[] memory array = new uint256[](1);\n        array[0] = element;\n\n        return array;\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[47] private __gap;\n}\n"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155ReceiverUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165Upgradeable.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\ninterface IERC1155ReceiverUpgradeable is IERC165Upgradeable {\n    /**\n     * @dev Handles the receipt of a single ERC1155 token type. This function is\n     * called at the end of a `safeTransferFrom` after the balance has been updated.\n     *\n     * NOTE: To accept the transfer, this must return\n     * `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n     * (i.e. 0xf23a6e61, or its own function selector).\n     *\n     * @param operator The address which initiated the transfer (i.e. msg.sender)\n     * @param from The address which previously owned the token\n     * @param id The ID of the token being transferred\n     * @param value The amount of tokens being transferred\n     * @param data Additional data with no specified format\n     * @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n     */\n    function onERC1155Received(\n        address operator,\n        address from,\n        uint256 id,\n        uint256 value,\n        bytes calldata data\n    ) external returns (bytes4);\n\n    /**\n     * @dev Handles the receipt of a multiple ERC1155 token types. This function\n     * is called at the end of a `safeBatchTransferFrom` after the balances have\n     * been updated.\n     *\n     * NOTE: To accept the transfer(s), this must return\n     * `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n     * (i.e. 0xbc197c81, or its own function selector).\n     *\n     * @param operator The address which initiated the batch transfer (i.e. msg.sender)\n     * @param from The address which previously owned the token\n     * @param ids An array containing ids of each token being transferred (order and length must match values array)\n     * @param values An array containing amounts of each token being transferred (order and length must match ids array)\n     * @param data Additional data with no specified format\n     * @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n     */\n    function onERC1155BatchReceived(\n        address operator,\n        address from,\n        uint256[] calldata ids,\n        uint256[] calldata values,\n        bytes calldata data\n    ) external returns (bytes4);\n}\n"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155Upgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165Upgradeable.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155Upgradeable is IERC165Upgradeable {\n    /**\n     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n     */\n    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n    /**\n     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n     * transfers.\n     */\n    event TransferBatch(\n        address indexed operator,\n        address indexed from,\n        address indexed to,\n        uint256[] ids,\n        uint256[] values\n    );\n\n    /**\n     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n     * `approved`.\n     */\n    event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n    /**\n     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n     *\n     * If an {URI} event was emitted for `id`, the standard\n     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n     * returned by {IERC1155MetadataURI-uri}.\n     */\n    event URI(string value, uint256 indexed id);\n\n    /**\n     * @dev Returns the amount of tokens of token type `id` owned by `account`.\n     *\n     * Requirements:\n     *\n     * - `account` cannot be the zero address.\n     */\n    function balanceOf(address account, uint256 id) external view returns (uint256);\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n     *\n     * Requirements:\n     *\n     * - `accounts` and `ids` must have the same length.\n     */\n    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n        external\n        view\n        returns (uint256[] memory);\n\n    /**\n     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n     *\n     * Emits an {ApprovalForAll} event.\n     *\n     * Requirements:\n     *\n     * - `operator` cannot be the caller.\n     */\n    function setApprovalForAll(address operator, bool approved) external;\n\n    /**\n     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n     *\n     * See {setApprovalForAll}.\n     */\n    function isApprovedForAll(address account, address operator) external view returns (bool);\n\n    /**\n     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n     *\n     * Emits a {TransferSingle} event.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n     * - `from` must have a balance of tokens of type `id` of at least `amount`.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n     * acceptance magic value.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 id,\n        uint256 amount,\n        bytes calldata data\n    ) external;\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n     *\n     * Emits a {TransferBatch} event.\n     *\n     * Requirements:\n     *\n     * - `ids` and `amounts` must have the same length.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n     * acceptance magic value.\n     */\n    function safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] calldata ids,\n        uint256[] calldata amounts,\n        bytes calldata data\n    ) external;\n}\n"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/token/ERC1155/extensions/IERC1155MetadataURIUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155Upgradeable.sol\";\n\n/**\n * @dev Interface of the optional ERC1155MetadataExtension interface, as defined\n * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155MetadataURIUpgradeable is IERC1155Upgradeable {\n    /**\n     * @dev Returns the URI for token type `id`.\n     *\n     * If the `\\{id\\}` substring is present in the URI, it must be replaced by\n     * clients with the actual token type ID.\n     */\n    function uri(uint256 id) external view returns (string memory);\n}\n"
    },
    "node_modules/@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"
    },
    "node_modules/@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"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/utils/MulticallUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (utils/Multicall.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./AddressUpgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Provides a function to batch together multiple calls in a single external call.\n *\n * _Available since v4.1._\n */\nabstract contract MulticallUpgradeable is Initializable {\n    function __Multicall_init() internal onlyInitializing {\n    }\n\n    function __Multicall_init_unchained() internal onlyInitializing {\n    }\n    /**\n     * @dev Receives and executes a batch of function calls on this contract.\n     */\n    function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) {\n        results = new bytes[](data.length);\n        for (uint256 i = 0; i < data.length; i++) {\n            results[i] = _functionDelegateCall(address(this), data[i]);\n        }\n        return results;\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function _functionDelegateCall(address target, bytes memory data) private returns (bytes memory) {\n        require(AddressUpgradeable.isContract(target), \"Address: delegate call to non-contract\");\n\n        // solhint-disable-next-line avoid-low-level-calls\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return AddressUpgradeable.verifyCallResult(success, returndata, \"Address: low-level delegate call failed\");\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"
    },
    "node_modules/@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"
    },
    "node_modules/@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"
    },
    "node_modules/@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"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165Upgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {\n    function __ERC165_init() internal onlyInitializing {\n    }\n\n    function __ERC165_init_unchained() internal onlyInitializing {\n    }\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IERC165Upgradeable).interfaceId;\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"
    },
    "node_modules/@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"
    },
    "node_modules/@openzeppelin/contracts-upgradeable/utils/structs/EnumerableSetUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableSet.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Library for managing\n * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive\n * types.\n *\n * Sets have the following properties:\n *\n * - Elements are added, removed, and checked for existence in constant time\n * (O(1)).\n * - Elements are enumerated in O(n). No guarantees are made on the ordering.\n *\n * ```\n * contract Example {\n *     // Add the library methods\n *     using EnumerableSet for EnumerableSet.AddressSet;\n *\n *     // Declare a set state variable\n *     EnumerableSet.AddressSet private mySet;\n * }\n * ```\n *\n * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)\n * and `uint256` (`UintSet`) are supported.\n *\n * [WARNING]\n * ====\n *  Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable.\n *  See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.\n *\n *  In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet.\n * ====\n */\nlibrary EnumerableSetUpgradeable {\n    // To implement this library for multiple types with as little code\n    // repetition as possible, we write it in terms of a generic Set type with\n    // bytes32 values.\n    // The Set implementation uses private functions, and user-facing\n    // implementations (such as AddressSet) are just wrappers around the\n    // underlying Set.\n    // This means that we can only create new EnumerableSets for types that fit\n    // in bytes32.\n\n    struct Set {\n        // Storage of set values\n        bytes32[] _values;\n        // Position of the value in the `values` array, plus 1 because index 0\n        // means a value is not in the set.\n        mapping(bytes32 => uint256) _indexes;\n    }\n\n    /**\n     * @dev Add a value to a set. O(1).\n     *\n     * Returns true if the value was added to the set, that is if it was not\n     * already present.\n     */\n    function _add(Set storage set, bytes32 value) private returns (bool) {\n        if (!_contains(set, value)) {\n            set._values.push(value);\n            // The value is stored at length-1, but we add 1 to all indexes\n            // and use 0 as a sentinel value\n            set._indexes[value] = set._values.length;\n            return true;\n        } else {\n            return false;\n        }\n    }\n\n    /**\n     * @dev Removes a value from a set. O(1).\n     *\n     * Returns true if the value was removed from the set, that is if it was\n     * present.\n     */\n    function _remove(Set storage set, bytes32 value) private returns (bool) {\n        // We read and store the value's index to prevent multiple reads from the same storage slot\n        uint256 valueIndex = set._indexes[value];\n\n        if (valueIndex != 0) {\n            // Equivalent to contains(set, value)\n            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in\n            // the array, and then remove the last element (sometimes called as 'swap and pop').\n            // This modifies the order of the array, as noted in {at}.\n\n            uint256 toDeleteIndex = valueIndex - 1;\n            uint256 lastIndex = set._values.length - 1;\n\n            if (lastIndex != toDeleteIndex) {\n                bytes32 lastValue = set._values[lastIndex];\n\n                // Move the last value to the index where the value to delete is\n                set._values[toDeleteIndex] = lastValue;\n                // Update the index for the moved value\n                set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex\n            }\n\n            // Delete the slot where the moved value was stored\n            set._values.pop();\n\n            // Delete the index for the deleted slot\n            delete set._indexes[value];\n\n            return true;\n        } else {\n            return false;\n        }\n    }\n\n    /**\n     * @dev Returns true if the value is in the set. O(1).\n     */\n    function _contains(Set storage set, bytes32 value) private view returns (bool) {\n        return set._indexes[value] != 0;\n    }\n\n    /**\n     * @dev Returns the number of values on the set. O(1).\n     */\n    function _length(Set storage set) private view returns (uint256) {\n        return set._values.length;\n    }\n\n    /**\n     * @dev Returns the value stored at position `index` in the set. O(1).\n     *\n     * Note that there are no guarantees on the ordering of values inside the\n     * array, and it may change when more values are added or removed.\n     *\n     * Requirements:\n     *\n     * - `index` must be strictly less than {length}.\n     */\n    function _at(Set storage set, uint256 index) private view returns (bytes32) {\n        return set._values[index];\n    }\n\n    /**\n     * @dev Return the entire set in an array\n     *\n     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n     * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n     */\n    function _values(Set storage set) private view returns (bytes32[] memory) {\n        return set._values;\n    }\n\n    // Bytes32Set\n\n    struct Bytes32Set {\n        Set _inner;\n    }\n\n    /**\n     * @dev Add a value to a set. O(1).\n     *\n     * Returns true if the value was added to the set, that is if it was not\n     * already present.\n     */\n    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {\n        return _add(set._inner, value);\n    }\n\n    /**\n     * @dev Removes a value from a set. O(1).\n     *\n     * Returns true if the value was removed from the set, that is if it was\n     * present.\n     */\n    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {\n        return _remove(set._inner, value);\n    }\n\n    /**\n     * @dev Returns true if the value is in the set. O(1).\n     */\n    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {\n        return _contains(set._inner, value);\n    }\n\n    /**\n     * @dev Returns the number of values in the set. O(1).\n     */\n    function length(Bytes32Set storage set) internal view returns (uint256) {\n        return _length(set._inner);\n    }\n\n    /**\n     * @dev Returns the value stored at position `index` in the set. O(1).\n     *\n     * Note that there are no guarantees on the ordering of values inside the\n     * array, and it may change when more values are added or removed.\n     *\n     * Requirements:\n     *\n     * - `index` must be strictly less than {length}.\n     */\n    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {\n        return _at(set._inner, index);\n    }\n\n    /**\n     * @dev Return the entire set in an array\n     *\n     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n     * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n     */\n    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {\n        return _values(set._inner);\n    }\n\n    // AddressSet\n\n    struct AddressSet {\n        Set _inner;\n    }\n\n    /**\n     * @dev Add a value to a set. O(1).\n     *\n     * Returns true if the value was added to the set, that is if it was not\n     * already present.\n     */\n    function add(AddressSet storage set, address value) internal returns (bool) {\n        return _add(set._inner, bytes32(uint256(uint160(value))));\n    }\n\n    /**\n     * @dev Removes a value from a set. O(1).\n     *\n     * Returns true if the value was removed from the set, that is if it was\n     * present.\n     */\n    function remove(AddressSet storage set, address value) internal returns (bool) {\n        return _remove(set._inner, bytes32(uint256(uint160(value))));\n    }\n\n    /**\n     * @dev Returns true if the value is in the set. O(1).\n     */\n    function contains(AddressSet storage set, address value) internal view returns (bool) {\n        return _contains(set._inner, bytes32(uint256(uint160(value))));\n    }\n\n    /**\n     * @dev Returns the number of values in the set. O(1).\n     */\n    function length(AddressSet storage set) internal view returns (uint256) {\n        return _length(set._inner);\n    }\n\n    /**\n     * @dev Returns the value stored at position `index` in the set. O(1).\n     *\n     * Note that there are no guarantees on the ordering of values inside the\n     * array, and it may change when more values are added or removed.\n     *\n     * Requirements:\n     *\n     * - `index` must be strictly less than {length}.\n     */\n    function at(AddressSet storage set, uint256 index) internal view returns (address) {\n        return address(uint160(uint256(_at(set._inner, index))));\n    }\n\n    /**\n     * @dev Return the entire set in an array\n     *\n     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n     * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n     */\n    function values(AddressSet storage set) internal view returns (address[] memory) {\n        bytes32[] memory store = _values(set._inner);\n        address[] memory result;\n\n        /// @solidity memory-safe-assembly\n        assembly {\n            result := store\n        }\n\n        return result;\n    }\n\n    // UintSet\n\n    struct UintSet {\n        Set _inner;\n    }\n\n    /**\n     * @dev Add a value to a set. O(1).\n     *\n     * Returns true if the value was added to the set, that is if it was not\n     * already present.\n     */\n    function add(UintSet storage set, uint256 value) internal returns (bool) {\n        return _add(set._inner, bytes32(value));\n    }\n\n    /**\n     * @dev Removes a value from a set. O(1).\n     *\n     * Returns true if the value was removed from the set, that is if it was\n     * present.\n     */\n    function remove(UintSet storage set, uint256 value) internal returns (bool) {\n        return _remove(set._inner, bytes32(value));\n    }\n\n    /**\n     * @dev Returns true if the value is in the set. O(1).\n     */\n    function contains(UintSet storage set, uint256 value) internal view returns (bool) {\n        return _contains(set._inner, bytes32(value));\n    }\n\n    /**\n     * @dev Returns the number of values on the set. O(1).\n     */\n    function length(UintSet storage set) internal view returns (uint256) {\n        return _length(set._inner);\n    }\n\n    /**\n     * @dev Returns the value stored at position `index` in the set. O(1).\n     *\n     * Note that there are no guarantees on the ordering of values inside the\n     * array, and it may change when more values are added or removed.\n     *\n     * Requirements:\n     *\n     * - `index` must be strictly less than {length}.\n     */\n    function at(UintSet storage set, uint256 index) internal view returns (uint256) {\n        return uint256(_at(set._inner, index));\n    }\n\n    /**\n     * @dev Return the entire set in an array\n     *\n     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n     * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n     */\n    function values(UintSet storage set) internal view returns (uint256[] memory) {\n        bytes32[] memory store = _values(set._inner);\n        uint256[] memory result;\n\n        /// @solidity memory-safe-assembly\n        assembly {\n            result := store\n        }\n\n        return result;\n    }\n}\n"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 300
    },
    "evmVersion": "london",
    "remappings": [
      ":@chainlink/contracts/src/=node_modules/@chainlink/contracts/src/",
      ":@ds-test/=lib/ds-test/src/",
      ":@openzeppelin/=node_modules/@openzeppelin/",
      ":@std/=lib/forge-std/src/",
      ":contracts/=contracts/",
      ":ds-test/=lib/ds-test/src/",
      ":dynamic-contracts/=lib/dynamic-contracts/src/",
      ":erc721a-upgradeable/=node_modules/erc721a-upgradeable/",
      ":erc721a/=node_modules/erc721a/",
      ":forge-std/=lib/forge-std/src/"
    ],
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    }
  }
}