Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity ^0.8.15;

import {ERC721A, ERC721ACommon, BaseTokenURI, ERC721ACommonBaseTokenURI} from "ethier/erc721/BaseTokenURI.sol";
import {OperatorFilterOS} from "ethier/erc721/OperatorFilterOS.sol";

import {
    TransferRestrictedRedeemableERC721ACommon,
    TransferRestriction
} from "proof/redemption/voucher/TransferRestrictedRedeemableERC721ACommon.sol";
import {SellableERC721ACommon} from "proof/sellers/sellable/SellableERC721ACommon.sol";
import {RoleGatedFreeOfCharge} from "proof/sellers/presets/RoleGatedFreeOfCharge.sol";

/**
 * @title Diamond Exhibition: Choice Pass
 * @notice A redeemable token airdropped to all day-1 nested Moonbirds that allows mints with preferences from the diamond exhibition.
 */
contract DiamondExhibitionChoicePass is
    ERC721ACommonBaseTokenURI,
    OperatorFilterOS,
    SellableERC721ACommon,
    TransferRestrictedRedeemableERC721ACommon
{
    /**
     * @notice The seller handling the airdrop.
     */
    RoleGatedFreeOfCharge public airdropper;

    constructor(address admin, address steerer, address payable secondaryReceiver, uint64 numDayOneBirds)
        ERC721ACommon(admin, steerer, "Diamond Exhibition: Day One Pass", "DAY1PASS", secondaryReceiver, 500)
        BaseTokenURI("https://metadata.proof.xyz/diamond-exhibition-pass/day-one/")
    {
        airdropper = new RoleGatedFreeOfCharge(admin , steerer, this, numDayOneBirds);
        _grantRole(AUTHORISED_SELLER_ROLE, address(airdropper));
    }

    // =================================================================================================================
    //                          Inheritance Resolution
    // =================================================================================================================

    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC721ACommon, ERC721ACommonBaseTokenURI, SellableERC721ACommon, TransferRestrictedRedeemableERC721ACommon)
        returns (bool)
    {
        return TransferRestrictedRedeemableERC721ACommon.supportsInterface(interfaceId)
            || SellableERC721ACommon.supportsInterface(interfaceId)
            || ERC721ACommonBaseTokenURI.supportsInterface(interfaceId);
    }

    function _beforeTokenTransfers(address from, address to, uint256 startTokenId, uint256 quantity)
        internal
        virtual
        override(ERC721ACommon, TransferRestrictedRedeemableERC721ACommon)
    {
        TransferRestrictedRedeemableERC721ACommon._beforeTokenTransfers(from, to, startTokenId, quantity);
    }

    function _baseURI() internal view virtual override(ERC721A, ERC721ACommonBaseTokenURI) returns (string memory) {
        return ERC721ACommonBaseTokenURI._baseURI();
    }

    function setApprovalForAll(address operator, bool approved) public virtual override(ERC721A, OperatorFilterOS) {
        OperatorFilterOS.setApprovalForAll(operator, approved);
    }

    function approve(address operator, uint256 tokenId) public payable virtual override(ERC721A, OperatorFilterOS) {
        OperatorFilterOS.approve(operator, tokenId);
    }

    function transferFrom(address from, address to, uint256 tokenId)
        public
        payable
        virtual
        override(ERC721A, OperatorFilterOS)
    {
        OperatorFilterOS.transferFrom(from, to, tokenId);
    }

    function safeTransferFrom(address from, address to, uint256 tokenId)
        public
        payable
        virtual
        override(ERC721A, OperatorFilterOS)
    {
        OperatorFilterOS.safeTransferFrom(from, to, tokenId);
    }

    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data)
        public
        payable
        virtual
        override(ERC721A, OperatorFilterOS)
    {
        OperatorFilterOS.safeTransferFrom(from, to, tokenId, data);
    }
}

// SPDX-License-Identifier: MIT
// Copyright (c) 2023 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;

import {AccessControlEnumerable} from "../utils/AccessControlEnumerable.sol";
import {ERC721A, ERC721ACommon} from "./ERC721ACommon.sol";

/**
 * @notice ERC721 extension that implements a commonly used _baseURI() function
 * to return an URL prefix that can be set by the contract steerer.
 */
contract BaseTokenURI is AccessControlEnumerable {
    /**
     * @notice Base token URI used as a prefix by tokenURI().
     */
    string private _baseTokenURI;

    constructor(string memory baseTokenURI_) {
        _setBaseTokenURI(baseTokenURI_);
    }

    /**
     * @notice Sets the base token URI prefix.
     * @dev Only callable by the contract steerer.
     */
    function setBaseTokenURI(string memory baseTokenURI_)
        public
        onlyRole(DEFAULT_STEERING_ROLE)
    {
        _setBaseTokenURI(baseTokenURI_);
    }

    /**
     * @notice Sets the base token URI prefix.
     */
    function _setBaseTokenURI(string memory baseTokenURI_) internal virtual {
        _baseTokenURI = baseTokenURI_;
    }

    /**
     * @notice Returns the `baseTokenURI`.
     */
    function baseTokenURI() public view virtual returns (string memory) {
        return _baseTokenURI;
    }

    /**
     * @notice Returns the base token URI * without any additional characters (e.g. a slash).
     */
    function _baseURI() internal view virtual returns (string memory) {
        return _baseTokenURI;
    }
}

/**
 * @notice ERC721ACommon extension that adds BaseTokenURI.
 */
abstract contract ERC721ACommonBaseTokenURI is ERC721ACommon, BaseTokenURI {
    /**
     * @notice Overrides supportsInterface as required by inheritance.
     */
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC721ACommon, AccessControlEnumerable)
        returns (bool)
    {
        return
            ERC721ACommon.supportsInterface(interfaceId) ||
            AccessControlEnumerable.supportsInterface(interfaceId);
    }

    /**
     * @dev Inheritance resolution.
     */
    function _baseURI()
        internal
        view
        virtual
        override(ERC721A, BaseTokenURI)
        returns (string memory)
    {
        return BaseTokenURI._baseURI();
    }
}

// SPDX-License-Identifier: MIT
// Copyright (c) 2023 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;

import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {DefaultOperatorFilterer} from "operator-filter-registry/src/DefaultOperatorFilterer.sol";
import {ERC721A, ERC721ACommon} from "./ERC721ACommon.sol";

/**
 * @notice ERC721ACommon extension that adds Opensea's operator filtering.
 */
abstract contract OperatorFilterOS is ERC721ACommon, DefaultOperatorFilterer {
    using Address for address;

    /**
     * @notice Calling the operator filter registry with given calldata.
     * @dev The registry contract did not foresee role-based contract access
     * control -- only the contract itself, or its (EIP-173) owner is allowed to
     * change subscription settings. To work around this, we enforce
     * authorisation here and forward arbitrary calldata to the registry.
     * Use with care!
     */
    function callOperatorFilterRegistry(bytes calldata cdata)
        external
        onlyRole(DEFAULT_STEERING_ROLE)
        returns (bytes memory)
    {
        return address(OPERATOR_FILTER_REGISTRY).functionCall(cdata);
    }

    // =========================================================================
    //                           Operator filtering
    // =========================================================================

    function setApprovalForAll(address operator, bool approved)
        public
        virtual
        override
        onlyAllowedOperatorApproval(operator)
    {
        super.setApprovalForAll(operator, approved);
    }

    function approve(address operator, uint256 tokenId)
        public
        payable
        virtual
        override
        onlyAllowedOperatorApproval(operator)
    {
        super.approve(operator, tokenId);
    }

    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override onlyAllowedOperator(from) {
        super.transferFrom(from, to, tokenId);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) public payable virtual override onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId, data);
    }
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity ^0.8.16;

import {ERC721A, ERC721ACommon} from "ethier/erc721/ERC721ACommon.sol";
import {RedeemableERC721ACommon} from "./RedeemableERC721ACommon.sol";
import {
    TransferRestriction,
    ERC721ATransferRestrictedBase,
    ERC721ATransferRestricted
} from "../restricted/ERC721ATransferRestricted.sol";

/**
 * @notice An ERC721 token intended to act as freely tradeable voucher.
 * @dev This is mainly a convenience wrapper.
 */
abstract contract TransferRestrictedRedeemableERC721ACommon is RedeemableERC721ACommon, ERC721ATransferRestricted {
    /**
     * @notice Overrides supportsInterface as required by inheritance.
     */
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(RedeemableERC721ACommon, ERC721ACommon)
        returns (bool)
    {
        return RedeemableERC721ACommon.supportsInterface(interfaceId);
    }

    /**
     * @inheritdoc ERC721ATransferRestrictedBase
     */
    function _beforeTokenTransfers(address from, address to, uint256 startTokenId, uint256 quantity)
        internal
        virtual
        override(ERC721ATransferRestrictedBase, ERC721ACommon)
    {
        ERC721ATransferRestrictedBase._beforeTokenTransfers(from, to, startTokenId, quantity);
    }
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity >=0.8.0 <0.9.0;

import {ERC721ACommon} from "ethier/erc721/ERC721ACommon.sol";
import {AccessControlEnumerable, BaseSellable} from "./BaseSellable.sol";

/**
 * @notice Base contract for sellable ERC721ACommon tokens.
 */
abstract contract SellableERC721ACommon is BaseSellable, ERC721ACommon {
    /**
     * @inheritdoc BaseSellable
     */
    function _handleSale(address to, uint64 num, bytes calldata) internal virtual override {
        _mint(to, num);
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC721ACommon, AccessControlEnumerable)
        returns (bool)
    {
        return ERC721ACommon.supportsInterface(interfaceId) || AccessControlEnumerable.supportsInterface(interfaceId);
    }
}

// SPDX-License-Identifier: MIT
// Copyright (c) 2021 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;

import {ISellable, CallbackerWithAccessControl} from "./CallbackerWithAccessControl.sol";
import {FixedSupply} from "../base/SupplyLimited.sol";

/**
 * @notice Seller module that adds a role-gated free-of-charge purchase (e.g. to facilitate to owner mints).
 */
contract RoleGatedFreeOfCharge is CallbackerWithAccessControl, FixedSupply {
    error WrongNumSoldAfterPurchase(uint256 actual, uint256 expected);

    constructor(address admin, address steerer, ISellable sellable_, uint64 numMaxSellable_)
        CallbackerWithAccessControl(admin, steerer, sellable_)
        FixedSupply(numMaxSellable_)
    {
        // solhint-disable-line no-empty-blocks
    }

    /**
     * @notice Encodes a free-of-charge purchase.
     * @param to The address to receive the purchased items.
     * @param num The number of items to purchase.
     */
    struct Receiver {
        address to;
        uint64 num;
    }

    /**
     * @notice Purchases numbers of tokens for given addresses free of charge.
     */
    function _purchase(Receiver[] calldata receivers) internal {
        for (uint256 idx = 0; idx < receivers.length; ++idx) {
            _purchase(receivers[idx].to, receivers[idx].num, 0, "");
        }
    }

    /**
     * @notice Purchases numbers of tokens for given addresses free of charge.
     */
    function purchase(Receiver[] calldata receivers) external onlyRole(DEFAULT_STEERING_ROLE) {
        _purchase(receivers);
    }

    /**
     * @notice Purchases numbers of tokens for given addresses free of charge and checks if the number of sold tokens
     * matches the expected value.
     */
    function purchaseWithGuardRails(Receiver[] calldata receivers, uint256 expectedNumSoldAfter)
        external
        onlyRole(DEFAULT_STEERING_ROLE)
    {
        _purchase(receivers);

        if (numSold() != expectedNumSoldAfter) {
            revert WrongNumSoldAfterPurchase(numSold(), expectedNumSoldAfter);
        }
    }
}

// SPDX-License-Identifier: MIT
// Copyright (c) 2023 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;

import {AccessControlEnumerable as ACE} from "@openzeppelin/contracts/access/AccessControlEnumerable.sol";

contract AccessControlEnumerable is ACE {
    /// @notice The default role intended to perform access-restricted actions.
    /// @dev We are using this instead of DEFAULT_ADMIN_ROLE because the latter
    /// is intended to grant/revoke roles and will be secured differently.
    bytes32 public constant DEFAULT_STEERING_ROLE =
        keccak256("DEFAULT_STEERING_ROLE");

    /// @dev Overrides supportsInterface so that inheriting contracts can
    /// reference this contract instead of OZ's version for further overrides.
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ACE)
        returns (bool)
    {
        return ACE.supportsInterface(interfaceId);
    }
}

// SPDX-License-Identifier: MIT
// Copyright (c) 2022 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;

import {ERC721A} from "erc721a/contracts/ERC721A.sol";
import {ERC2981} from "@openzeppelin/contracts/token/common/ERC2981.sol";
import {AccessControlEnumerable} from "../utils/AccessControlEnumerable.sol";
import {AccessControlPausable} from "../utils/AccessControlPausable.sol";
import {ERC4906} from "./ERC4906.sol";

/**
@notice An ERC721A contract with common functionality:
 - Pausable with toggling functions exposed to Owner only
 - ERC2981 royalties
 */
contract ERC721ACommon is ERC721A, AccessControlPausable, ERC2981, ERC4906 {
    constructor(
        address admin,
        address steerer,
        string memory name,
        string memory symbol,
        address payable royaltyReciever,
        uint96 royaltyBasisPoints
    ) ERC721A(name, symbol) {
        _setDefaultRoyalty(royaltyReciever, royaltyBasisPoints);
        _grantRole(DEFAULT_ADMIN_ROLE, admin);
        _grantRole(DEFAULT_STEERING_ROLE, steerer);
    }

    /// @notice Requires that the token exists.
    modifier tokenExists(uint256 tokenId) {
        require(ERC721A._exists(tokenId), "ERC721ACommon: Token doesn't exist");
        _;
    }

    /// @notice Requires that msg.sender owns or is approved for the token.
    modifier onlyApprovedOrOwner(uint256 tokenId) {
        require(
            _ownershipOf(tokenId).addr == _msgSender() ||
                getApproved(tokenId) == _msgSender(),
            "ERC721ACommon: Not approved nor owner"
        );
        _;
    }

    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual override {
        require(!paused(), "ERC721ACommon: paused");
        super._beforeTokenTransfers(from, to, startTokenId, quantity);
    }

    /// @notice Overrides supportsInterface as required by inheritance.
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC721A, AccessControlEnumerable, ERC2981, ERC4906)
        returns (bool)
    {
        return
            ERC721A.supportsInterface(interfaceId) ||
            ERC2981.supportsInterface(interfaceId) ||
            AccessControlEnumerable.supportsInterface(interfaceId) ||
            ERC4906.supportsInterface(interfaceId);
    }

    /// @notice Sets the royalty receiver and percentage (in units of basis
    /// points = 0.01%).
    function setDefaultRoyalty(address receiver, uint96 basisPoints)
        public
        virtual
        onlyRole(DEFAULT_STEERING_ROLE)
    {
        _setDefaultRoyalty(receiver, basisPoints);
    }

    function emitMetadataUpdateForAll()
        external
        onlyRole(DEFAULT_STEERING_ROLE)
    {
        // EIP4906 is unfortunately quite vague on whether the `toTokenId` in
        // the following event is included or not. We hence use `totalSupply()`
        // to ensure that the last actual `tokenId` is included in any case.
        _refreshMetadata(0, totalSupply());
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {OperatorFilterer} from "./OperatorFilterer.sol";
import {CANONICAL_CORI_SUBSCRIPTION} from "./lib/Constants.sol";
/**
 * @title  DefaultOperatorFilterer
 * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.
 * @dev    Please note that if your token contract does not provide an owner with EIP-173, it must provide
 *         administration methods on the contract itself to interact with the registry otherwise the subscription
 *         will be locked to the options set during construction.
 */

abstract contract DefaultOperatorFilterer is OperatorFilterer {
    /// @dev The constructor that is called when the contract is being deployed.
    constructor() OperatorFilterer(CANONICAL_CORI_SUBSCRIPTION, true) {}
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity ^0.8.16;

import {ERC721ACommon} from "ethier/erc721/ERC721ACommon.sol";
import {BaseRedeemableToken} from "./BaseRedeemableToken.sol";

/**
 * @notice An ERC721 token intended to act as freely tradeable voucher.
 * @dev This is mainly a convenience wrapper.
 */
abstract contract RedeemableERC721ACommon is BaseRedeemableToken, ERC721ACommon {
    // =========================================================================
    //                           Internals
    // =========================================================================

    /**
     * @notice Allows spending if the sender is the owner of or approved for
     * transfers of a given token.
     */

    function _isSenderAllowedToSpend(address sender, uint256 tokenId)
        internal
        view
        virtual
        override
        returns (bool result)
    {
        address tokenOwner = ownerOf(tokenId);
        return (sender == tokenOwner) || isApprovedForAll(tokenOwner, sender) || (sender == getApproved(tokenId));
    }

    /**
     * @notice Redeeming a voucher token burns it.
     */
    function _doRedeem(address, uint256 tokenId) internal virtual override {
        _burn(tokenId);
    }

    /**
     * @notice Overrides supportsInterface as required by inheritance.
     */
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(BaseRedeemableToken, ERC721ACommon)
        returns (bool)
    {
        return BaseRedeemableToken.supportsInterface(interfaceId) || ERC721ACommon.supportsInterface(interfaceId);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.16 <0.9.0;

import {ERC721ATransferRestrictedBase, TransferRestriction} from "./ERC721ATransferRestrictedBase.sol";

/**
 * @notice Extension of ERC721 transfer restrictions with manual restriction
 * setter.
 */
abstract contract ERC721ATransferRestricted is ERC721ATransferRestrictedBase {
    // =========================================================================
    //                           Error
    // =========================================================================

    error TransferRestrictionLocked();
    error TransferRestrictionCheckFailed(TransferRestriction want);

    // =========================================================================
    //                           Storage
    // =========================================================================

    /**
     * @notice The current restrictions.
     */
    TransferRestriction private _transferRestriction;

    /**
     * @notice Flag to lock in the current transfer restriction.
     */
    bool private _locked;

    // =========================================================================
    //                           Steering
    // =========================================================================

    /**
     * @notice Sets the transfer restrictions.
     */
    function _setTransferRestriction(TransferRestriction restriction) internal virtual {
        _transferRestriction = restriction;
    }

    /**
     * @notice Sets the transfer restrictions.
     * @dev Only callable by a contract steerer.
     */
    function setTransferRestriction(TransferRestriction restriction) external onlyRole(DEFAULT_STEERING_ROLE) {
        if (_locked) {
            revert TransferRestrictionLocked();
        }

        _setTransferRestriction(restriction);
    }

    /**
     * @notice Locks the current transfer restrictions.
     * @dev Only callable by a contract steerer.
     * @param restriction must match the current transfer restriction as
     * additional security measure.
     */
    function lockTransferRestriction(TransferRestriction restriction) external onlyRole(DEFAULT_STEERING_ROLE) {
        if (restriction != _transferRestriction) {
            revert TransferRestrictionCheckFailed(_transferRestriction);
        }

        _locked = true;
    }

    /**
     * @notice Returns the stored transfer restrictions.
     */
    function transferRestriction() public view virtual override returns (TransferRestriction) {
        return _transferRestriction;
    }
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity >=0.8.0 <0.9.0;

import {AccessControlEnumerable} from "ethier/utils/AccessControlEnumerable.sol";
import {ISellable} from "../interfaces/ISellable.sol";

/**
 * @notice A base contract for selling content via authorised sellers.
 */
abstract contract BaseSellable is ISellable, AccessControlEnumerable {
    /**
     * @notice Authorised sellers.
     */
    bytes32 public constant AUTHORISED_SELLER_ROLE = keccak256("AUTHORISED_SELLER_ROLE");

    /**
     * @notice A role that cannot be granted or revoked.
     * @dev Used to lock in members of the `AUTHORISED_SELLER_ROLE` role.
     */
    bytes32 private constant _NOOP_ROLE = keccak256("NOOP_ROLE");

    constructor() {
        _setRoleAdmin(AUTHORISED_SELLER_ROLE, DEFAULT_STEERING_ROLE);
        _setRoleAdmin(_NOOP_ROLE, _NOOP_ROLE);
    }

    /**
     * @notice Handles the sale of sellable content via an authorised seller.
     * @dev Delegates the implementation to `_handleSale`.
     */
    function handleSale(address to, uint64 num, bytes calldata data)
        external
        payable
        onlyRole(AUTHORISED_SELLER_ROLE)
    {
        _handleSale(to, num, data);
    }

    /**
     * @notice Handles the sale of sellable content.
     */
    function _handleSale(address to, uint64 num, bytes calldata data) internal virtual;

    /**
     * @notice Locks the `AUTHORISED_SELLER_ROLE` role.
     */
    function lockSellers() external onlyRole(DEFAULT_STEERING_ROLE) {
        _lockSellers();
    }

    /**
     * @notice Locks the `AUTHORISED_SELLER_ROLE` role.
     */
    function _lockSellers() internal {
        _setRoleAdmin(AUTHORISED_SELLER_ROLE, _NOOP_ROLE);
    }

    /**
     * @notice Revokes approval for all sellers.
     */
    function _revokeAllSellers() internal {
        uint256 num = getRoleMemberCount(AUTHORISED_SELLER_ROLE);
        for (uint256 i = 0; i < num; i++) {
            // Akin to a popFront
            address seller = getRoleMember(AUTHORISED_SELLER_ROLE, 0);
            _revokeRole(AUTHORISED_SELLER_ROLE, seller);
        }
    }
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity ^0.8.16;

import {AccessControlEnumerable} from "ethier/utils/AccessControlEnumerable.sol";
import {ISellable, SellableCallbacker} from "../base/SellableCallbacker.sol";

/**
 * @notice Base contract for seller presets that call back to a sellable contract.
 */
contract CallbackerWithAccessControl is SellableCallbacker, AccessControlEnumerable {
    constructor(address admin, address steerer, ISellable sellable_) SellableCallbacker(sellable_) {
        _grantRole(DEFAULT_ADMIN_ROLE, admin);
        _grantRole(DEFAULT_STEERING_ROLE, steerer);
    }
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity >=0.8.0 <0.9.0;

import {Seller} from "./Seller.sol";

/**
 * @notice Seller module that adds an upper limit on the number of sellable items.
 */
abstract contract SupplyLimited is Seller {
    error SupplyLimitExceeded(uint64 numRequested, uint64 numLeft);

    /**
     * @notice The number of tokens that have already been sold by the seller.
     */
    uint64 private _numSold;

    /**
     * @notice Returns the total number of items sold by this contract.
     */
    function numSold() public view returns (uint64) {
        return _numSold;
    }
    /**
     * @notice Returns the total number of items sold by this contract.
     */

    function maxNumSellable() public view virtual returns (uint64);

    // -------------------------------------------------------------------------
    //
    //  Internals
    //
    // -------------------------------------------------------------------------

    /**
     * @notice Checks if the number of requested purchases is below the limit
     * given by the inventory.
     * @dev Reverts otherwise.
     */
    function _checkAndModifyPurchase(address to, uint64 num, uint256 cost, bytes memory data)
        internal
        view
        virtual
        override(Seller)
        returns (address, uint64, uint256)
    {
        (to, num, cost) = Seller._checkAndModifyPurchase(to, num, cost, data);

        uint64 numLeft = maxNumSellable() - numSold();
        if (num > numLeft) {
            revert SupplyLimitExceeded(num, numLeft);
        }

        return (to, num, cost);
    }
    /**
     * @notice Updating the total number of sold tokens.
     */

    function _beforePurchase(address to, uint64 num, uint256 cost, bytes memory data)
        internal
        virtual
        override(Seller)
    {
        Seller._beforePurchase(to, num, cost, data);
        _numSold += num;
    }
}

/**
 * @notice Seller module with a supply limit that is fixed at deployment.
 */
abstract contract FixedSupply is SupplyLimited {
    /**
     * @notice The maximum number of sellable items.
     */
    uint64 private immutable _maxNumSellable;

    constructor(uint64 maxNumSellable_) {
        _maxNumSellable = maxNumSellable_;
    }

    /**
     * @inheritdoc SupplyLimited
     */
    function maxNumSellable() public view virtual override returns (uint64) {
        return _maxNumSellable;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControlEnumerable.sol";
import "./AccessControl.sol";
import "../utils/structs/EnumerableSet.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl {
    using EnumerableSet for EnumerableSet.AddressSet;

    mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlEnumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view virtual override returns (address) {
        return _roleMembers[role].at(index);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) public view virtual override returns (uint256) {
        return _roleMembers[role].length();
    }

    /**
     * @dev Overload {_grantRole} to track enumerable memberships
     */
    function _grantRole(bytes32 role, address account) internal virtual override {
        super._grantRole(role, account);
        _roleMembers[role].add(account);
    }

    /**
     * @dev Overload {_revokeRole} to track enumerable memberships
     */
    function _revokeRole(bytes32 role, address account) internal virtual override {
        super._revokeRole(role, account);
        _roleMembers[role].remove(account);
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

/**
 * @dev Interface of ERC721 token receiver.
 */
interface ERC721A__IERC721Receiver {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

/**
 * @title ERC721A
 *
 * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
 * Non-Fungible Token Standard, including the Metadata extension.
 * Optimized for lower gas during batch mints.
 *
 * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
 * starting from `_startTokenId()`.
 *
 * Assumptions:
 *
 * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is IERC721A {
    // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
    struct TokenApprovalRef {
        address value;
    }

    // =============================================================
    //                           CONSTANTS
    // =============================================================

    // Mask of an entry in packed address data.
    uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;

    // The bit position of `numberMinted` in packed address data.
    uint256 private constant _BITPOS_NUMBER_MINTED = 64;

    // The bit position of `numberBurned` in packed address data.
    uint256 private constant _BITPOS_NUMBER_BURNED = 128;

    // The bit position of `aux` in packed address data.
    uint256 private constant _BITPOS_AUX = 192;

    // Mask of all 256 bits in packed address data except the 64 bits for `aux`.
    uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;

    // The bit position of `startTimestamp` in packed ownership.
    uint256 private constant _BITPOS_START_TIMESTAMP = 160;

    // The bit mask of the `burned` bit in packed ownership.
    uint256 private constant _BITMASK_BURNED = 1 << 224;

    // The bit position of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;

    // The bit mask of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;

    // The bit position of `extraData` in packed ownership.
    uint256 private constant _BITPOS_EXTRA_DATA = 232;

    // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;

    // The mask of the lower 160 bits for addresses.
    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;

    // The maximum `quantity` that can be minted with {_mintERC2309}.
    // This limit is to prevent overflows on the address data entries.
    // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
    // is required to cause an overflow, which is unrealistic.
    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;

    // The `Transfer` event signature is given by:
    // `keccak256(bytes("Transfer(address,address,uint256)"))`.
    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;

    // =============================================================
    //                            STORAGE
    // =============================================================

    // The next token ID to be minted.
    uint256 private _currentIndex;

    // The number of tokens burned.
    uint256 private _burnCounter;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned.
    // See {_packedOwnershipOf} implementation for details.
    //
    // Bits Layout:
    // - [0..159]   `addr`
    // - [160..223] `startTimestamp`
    // - [224]      `burned`
    // - [225]      `nextInitialized`
    // - [232..255] `extraData`
    mapping(uint256 => uint256) private _packedOwnerships;

    // Mapping owner address to address data.
    //
    // Bits Layout:
    // - [0..63]    `balance`
    // - [64..127]  `numberMinted`
    // - [128..191] `numberBurned`
    // - [192..255] `aux`
    mapping(address => uint256) private _packedAddressData;

    // Mapping from token ID to approved address.
    mapping(uint256 => TokenApprovalRef) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    // =============================================================
    //                          CONSTRUCTOR
    // =============================================================

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }

    // =============================================================
    //                   TOKEN COUNTING OPERATIONS
    // =============================================================

    /**
     * @dev Returns the starting token ID.
     * To change the starting token ID, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Returns the next token ID to be minted.
     */
    function _nextTokenId() internal view virtual returns (uint256) {
        return _currentIndex;
    }

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than `_currentIndex - _startTokenId()` times.
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    /**
     * @dev Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view virtual returns (uint256) {
        // Counter underflow is impossible as `_currentIndex` does not decrement,
        // and it is initialized to `_startTokenId()`.
        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

    /**
     * @dev Returns the total number of tokens burned.
     */
    function _totalBurned() internal view virtual returns (uint256) {
        return _burnCounter;
    }

    // =============================================================
    //                    ADDRESS DATA OPERATIONS
    // =============================================================

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return uint64(_packedAddressData[owner] >> _BITPOS_AUX);
    }

    /**
     * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal virtual {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        // Cast `aux` with assembly to avoid redundant masking.
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        // The interface IDs are constants representing the first 4 bytes
        // of the XOR of all function selectors in the interface.
        // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
        // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
        return
            interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
            interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
            interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
    }

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory baseURI = _baseURI();
        return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, it can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    // =============================================================
    //                     OWNERSHIPS OPERATIONS
    // =============================================================

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

    /**
     * @dev Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around over time.
     */
    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnershipOf(tokenId));
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct at `index`.
     */
    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnerships[index]);
    }

    /**
     * @dev Initializes the ownership slot minted at `index` for efficiency purposes.
     */
    function _initializeOwnershipAt(uint256 index) internal virtual {
        if (_packedOwnerships[index] == 0) {
            _packedOwnerships[index] = _packedOwnershipOf(index);
        }
    }

    /**
     * Returns the packed ownership data of `tokenId`.
     */
    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr)
                if (curr < _currentIndex) {
                    uint256 packed = _packedOwnerships[curr];
                    // If not burned.
                    if (packed & _BITMASK_BURNED == 0) {
                        // Invariant:
                        // There will always be an initialized ownership slot
                        // (i.e. `ownership.addr != address(0) && ownership.burned == false`)
                        // before an unintialized ownership slot
                        // (i.e. `ownership.addr == address(0) && ownership.burned == false`)
                        // Hence, `curr` will not underflow.
                        //
                        // We can directly compare the packed value.
                        // If the address is zero, packed will be zero.
                        while (packed == 0) {
                            packed = _packedOwnerships[--curr];
                        }
                        return packed;
                    }
                }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct from `packed`.
     */
    function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
        ownership.addr = address(uint160(packed));
        ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
        ownership.burned = packed & _BITMASK_BURNED != 0;
        ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
    }

    /**
     * @dev Packs ownership data into a single uint256.
     */
    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
        }
    }

    /**
     * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
     */
    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
        // For branchless setting of the `nextInitialized` flag.
        assembly {
            // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
        }
    }

    // =============================================================
    //                      APPROVAL OPERATIONS
    // =============================================================

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the
     * zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) public payable virtual override {
        address owner = ownerOf(tokenId);

        if (_msgSenderERC721A() != owner)
            if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                revert ApprovalCallerNotOwnerNorApproved();
            }

        _tokenApprovals[tokenId].value = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

    /**
     * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
     */
    function _isSenderApprovedOrOwner(
        address approvedAddress,
        address owner,
        address msgSender
    ) private pure returns (bool result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
            msgSender := and(msgSender, _BITMASK_ADDRESS)
            // `msgSender == owner || msgSender == approvedAddress`.
            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
        }
    }

    /**
     * @dev Returns the storage slot and value for the approved address of `tokenId`.
     */
    function _getApprovedSlotAndAddress(uint256 tokenId)
        private
        view
        returns (uint256 approvedAddressSlot, address approvedAddress)
    {
        TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
        // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
        assembly {
            approvedAddressSlot := tokenApproval.slot
            approvedAddress := sload(approvedAddressSlot)
        }
    }

    // =============================================================
    //                      TRANSFER OPERATIONS
    // =============================================================

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        // The nested ifs save around 20+ gas over a compound boolean condition.
        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
            if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();

        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // We can directly increment and decrement the balances.
            --_packedAddressData[from]; // Updates: `balance -= 1`.
            ++_packedAddressData[to]; // Updates: `balance += 1`.

            // Updates:
            // - `address` to the next owner.
            // - `startTimestamp` to the timestamp of transfering.
            // - `burned` to `false`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                to,
                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token IDs
     * are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token IDs
     * have been transferred. This includes minting.
     * And also called after one token has been burned.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * `from` - Previous owner of the given token ID.
     * `to` - Target address that will receive the token.
     * `tokenId` - Token ID to be transferred.
     * `_data` - Optional data to send along with the call.
     *
     * Returns whether the call correctly returned the expected magic value.
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
            bytes4 retval
        ) {
            return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    // =============================================================
    //                        MINT OPERATIONS
    // =============================================================

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _mint(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // `balance` and `numberMinted` have a maximum limit of 2**64.
        // `tokenId` has a maximum limit of 2**256.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            // The duplicated `log4` removes an extra check and reduces stack juggling.
            // The assembly, together with the surrounding Solidity code, have been
            // delicately arranged to nudge the compiler into producing optimized opcodes.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                // The `iszero(eq(,))` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
                // The compiler will optimize the `iszero` away for performance.
                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

            _currentIndex = end;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * This function is intended for efficient minting only during contract creation.
     *
     * It emits only one {ConsecutiveTransfer} as defined in
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
     * instead of a sequence of {Transfer} event(s).
     *
     * Calling this function outside of contract creation WILL make your contract
     * non-compliant with the ERC721 standard.
     * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
     * {ConsecutiveTransfer} event is only permissible during contract creation.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {ConsecutiveTransfer} event.
     */
    function _mintERC2309(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are unrealistic due to the above check for `quantity` to be below the limit.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);

            _currentIndex = startTokenId + quantity;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * See {_mint}.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal virtual {
        _mint(to, quantity);

        unchecked {
            if (to.code.length != 0) {
                uint256 end = _currentIndex;
                uint256 index = end - quantity;
                do {
                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) revert();
            }
        }
    }

    /**
     * @dev Equivalent to `_safeMint(to, quantity, '')`.
     */
    function _safeMint(address to, uint256 quantity) internal virtual {
        _safeMint(to, quantity, '');
    }

    // =============================================================
    //                        BURN OPERATIONS
    // =============================================================

    /**
     * @dev Equivalent to `_burn(tokenId, false)`.
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        address from = address(uint160(prevOwnershipPacked));

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        if (approvalCheck) {
            // The nested ifs save around 20+ gas over a compound boolean condition.
            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
                if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // Updates:
            // - `balance -= 1`.
            // - `numberBurned += 1`.
            //
            // We can directly decrement the balance, and increment the number burned.
            // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
            _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;

            // Updates:
            // - `address` to the last owner.
            // - `startTimestamp` to the timestamp of burning.
            // - `burned` to `true`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                from,
                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);

        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            _burnCounter++;
        }
    }

    // =============================================================
    //                     EXTRA DATA OPERATIONS
    // =============================================================

    /**
     * @dev Directly sets the extra data for the ownership data `index`.
     */
    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
        uint256 packed = _packedOwnerships[index];
        if (packed == 0) revert OwnershipNotInitializedForExtraData();
        uint256 extraDataCasted;
        // Cast `extraData` with assembly to avoid redundant masking.
        assembly {
            extraDataCasted := extraData
        }
        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
        _packedOwnerships[index] = packed;
    }

    /**
     * @dev Called during each token transfer to set the 24bit `extraData` field.
     * Intended to be overridden by the cosumer contract.
     *
     * `previousExtraData` - the value of `extraData` before transfer.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

    /**
     * @dev Returns the next extra data for the packed ownership data.
     * The returned result is shifted into position.
     */
    function _nextExtraData(
        address from,
        address to,
        uint256 prevOwnershipPacked
    ) private view returns (uint256) {
        uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
        return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
    }

    // =============================================================
    //                       OTHER OPERATIONS
    // =============================================================

    /**
     * @dev Returns the message sender (defaults to `msg.sender`).
     *
     * If you are writing GSN compatible contracts, you need to override this function.
     */
    function _msgSenderERC721A() internal view virtual returns (address) {
        return msg.sender;
    }

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
            let m := add(mload(0x40), 0xa0)
            // Update the free memory pointer to allocate.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                // prettier-ignore
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol)

pragma solidity ^0.8.0;

import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
 *
 * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
 * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
 *
 * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
 * fee is specified in basis points by default.
 *
 * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
 * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
 * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
 *
 * _Available since v4.5._
 */
abstract contract ERC2981 is IERC2981, ERC165 {
    struct RoyaltyInfo {
        address receiver;
        uint96 royaltyFraction;
    }

    RoyaltyInfo private _defaultRoyaltyInfo;
    mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
        return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @inheritdoc IERC2981
     */
    function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) {
        RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId];

        if (royalty.receiver == address(0)) {
            royalty = _defaultRoyaltyInfo;
        }

        uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator();

        return (royalty.receiver, royaltyAmount);
    }

    /**
     * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
     * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
     * override.
     */
    function _feeDenominator() internal pure virtual returns (uint96) {
        return 10000;
    }

    /**
     * @dev Sets the royalty information that all ids in this contract will default to.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: invalid receiver");

        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Removes default royalty information.
     */
    function _deleteDefaultRoyalty() internal virtual {
        delete _defaultRoyaltyInfo;
    }

    /**
     * @dev Sets the royalty information for a specific token id, overriding the global default.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setTokenRoyalty(
        uint256 tokenId,
        address receiver,
        uint96 feeNumerator
    ) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: Invalid parameters");

        _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Resets royalty information for the token id back to the global default.
     */
    function _resetTokenRoyalty(uint256 tokenId) internal virtual {
        delete _tokenRoyaltyInfo[tokenId];
    }
}

// SPDX-License-Identifier: MIT
// Copyright (c) 2021 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;

import {Pausable} from "@openzeppelin/contracts/security/Pausable.sol";
import {AccessControlEnumerable} from "./AccessControlEnumerable.sol";

/// @notice A Pausable contract that can only be toggled by a member of the
/// STEERING role.
contract AccessControlPausable is AccessControlEnumerable, Pausable {
    /// @notice Pauses the contract.
    function pause() public onlyRole(DEFAULT_STEERING_ROLE) {
        Pausable._pause();
    }

    /// @notice Unpauses the contract.
    function unpause() public onlyRole(DEFAULT_STEERING_ROLE) {
        Pausable._unpause();
    }
}

// SPDX-License-Identifier: CC0-1.0
pragma solidity ^0.8.0;

import {IERC165, ERC165} from "@openzeppelin/contracts/utils/introspection/ERC165.sol";

interface IERC4906Events {
    /// @dev This event emits when the metadata of a token is changed.
    /// So that the third-party platforms such as NFT market could
    /// timely update the images and related attributes of the NFT.
    event MetadataUpdate(uint256 _tokenId);

    /// @dev This event emits when the metadata of a range of tokens is changed.
    /// So that the third-party platforms such as NFT market could
    /// timely update the images and related attributes of the NFTs.
    event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);
}

/// @title EIP-721 Metadata Update Extension
// solhint-disable-next-line no-empty-blocks
interface IERC4906 is IERC165, IERC4906Events {

}

contract ERC4906 is IERC4906, ERC165 {
    function _refreshMetadata(uint256 tokenId) internal {
        emit MetadataUpdate(tokenId);
    }

    function _refreshMetadata(uint256 fromTokenId, uint256 toTokenId) internal {
        emit BatchMetadataUpdate(fromTokenId, toTokenId);
    }

    /// @dev See {IERC165-supportsInterface}.
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC165, IERC165)
        returns (bool)
    {
        return
            interfaceId == bytes4(0x49064906) ||
            ERC165.supportsInterface(interfaceId);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";
import {CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS} from "./lib/Constants.sol";
/**
 * @title  OperatorFilterer
 * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another
 *         registrant's entries in the OperatorFilterRegistry.
 * @dev    This smart contract is meant to be inherited by token contracts so they can use the following:
 *         - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.
 *         - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.
 *         Please note that if your token contract does not provide an owner with EIP-173, it must provide
 *         administration methods on the contract itself to interact with the registry otherwise the subscription
 *         will be locked to the options set during construction.
 */

abstract contract OperatorFilterer {
    /// @dev Emitted when an operator is not allowed.
    error OperatorNotAllowed(address operator);

    IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =
        IOperatorFilterRegistry(CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS);

    /// @dev The constructor that is called when the contract is being deployed.
    constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
        // If an inheriting token contract is deployed to a network without the registry deployed, the modifier
        // will not revert, but the contract will need to be registered with the registry once it is deployed in
        // order for the modifier to filter addresses.
        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            if (subscribe) {
                OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
            } else {
                if (subscriptionOrRegistrantToCopy != address(0)) {
                    OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
                } else {
                    OPERATOR_FILTER_REGISTRY.register(address(this));
                }
            }
        }
    }

    /**
     * @dev A helper function to check if an operator is allowed.
     */
    modifier onlyAllowedOperator(address from) virtual {
        // Allow spending tokens from addresses with balance
        // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
        // from an EOA.
        if (from != msg.sender) {
            _checkFilterOperator(msg.sender);
        }
        _;
    }

    /**
     * @dev A helper function to check if an operator approval is allowed.
     */
    modifier onlyAllowedOperatorApproval(address operator) virtual {
        _checkFilterOperator(operator);
        _;
    }

    /**
     * @dev A helper function to check if an operator is allowed.
     */
    function _checkFilterOperator(address operator) internal view virtual {
        // Check registry code length to facilitate testing in environments without a deployed registry.
        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            // under normal circumstances, this function will revert rather than return false, but inheriting contracts
            // may specify their own OperatorFilterRegistry implementations, which may behave differently
            if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
                revert OperatorNotAllowed(operator);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

address constant CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS = 0x000000000000AAeB6D7670E522A718067333cd4E;
address constant CANONICAL_CORI_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity ^0.8.16;

import {AccessControlEnumerable} from "ethier/utils/AccessControlEnumerable.sol";
import {IRedeemableToken} from "../interfaces/IRedeemableToken.sol";

/**
 * @notice Base implementation of a voucher token with approvable redeemer contracts.
 */
abstract contract BaseRedeemableToken is IRedeemableToken, AccessControlEnumerable {
    /**
     * @notice Authorised redeemers.
     */
    bytes32 public constant REDEEMER_ROLE = keccak256("REDEEMER_ROLE");

    /**
     * @notice A role that cannot be granted or revoked.
     * @dev Used to lock in members of the `REDEEMER_ROLE` role.
     */
    bytes32 private constant _NOOP_ROLE = keccak256("NOOP_ROLE");

    constructor() {
        _setRoleAdmin(REDEEMER_ROLE, DEFAULT_STEERING_ROLE);
        _setRoleAdmin(_NOOP_ROLE, _NOOP_ROLE);
    }

    // =========================================================================
    //                           Redemption
    // =========================================================================

    /**
     * @notice Redeems a voucher token with given tokenId.
     * @dev Can only be called by approved redeemer contracts.
     * @dev Reverts if `sender` is not the owner of or approved to transfer the token.
     */
    function redeem(address sender, uint256 tokenId) external onlyRole(REDEEMER_ROLE) {
        if (!_isSenderAllowedToSpend(sender, tokenId)) {
            revert IRedeemableToken.RedeemerCallerNotAllowedToSpendVoucher(sender, tokenId);
        }

        _doRedeem(sender, tokenId);
    }

    // =========================================================================
    //                           Internal hooks
    // =========================================================================

    /**
     * @notice Hook called by `redeem` to check if the sender is allowed to
     * spend a given token (e.g. if it is the owner or transfer approved).
     */
    function _isSenderAllowedToSpend(address sender, uint256 tokenId) internal view virtual returns (bool result);

    /**
     * @notice Hook called by `redeem` to preform the redemption of a voucher
     * token (e.g. burn).
     */
    function _doRedeem(address sender, uint256 tokenId) internal virtual;

    // =========================================================================
    //                           Steering
    // =========================================================================

    /**
     * @notice Locks the `REDEEMER_ROLE` role.
     */
    function lockRedeemers() external onlyRole(DEFAULT_STEERING_ROLE) {
        _lockRedeemers();
    }

    /**
     * @notice Locks the `REDEEMER_ROLE` role.
     */
    function _lockRedeemers() internal {
        _setRoleAdmin(REDEEMER_ROLE, _NOOP_ROLE);
    }

    /**
     * @notice Revokes approval for all redeemers.
     */
    function _revokeAllRedeemers() internal {
        uint256 num = getRoleMemberCount(REDEEMER_ROLE);
        for (uint256 i = 0; i < num; i++) {
            // Akin to a popFront
            address redeemer = getRoleMember(REDEEMER_ROLE, 0);
            _revokeRole(REDEEMER_ROLE, redeemer);
        }
    }

    /**
     * @notice Overrides supportsInterface as required by inheritance.
     */
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(AccessControlEnumerable)
        returns (bool)
    {
        return interfaceId == type(IRedeemableToken).interfaceId || super.supportsInterface(interfaceId);
    }
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity >=0.8.16 <0.9.0;

import {ERC721ACommon} from "ethier/erc721/ERC721ACommon.sol";

/**
 * @notice Possible transfer restrictions.
 */
enum TransferRestriction {
    None,
    OnlyMint,
    OnlyBurn,
    Frozen
}

/**
 * @notice Implements restrictions for ERC721 transfers.
 * @dev This is intended to facilitate a soft expiry for voucher tokens, having an intermediate stage that still allows
 * voucher to be redeemed but not traded before closing all activity indefinitely.
 * @dev The activation of restrictions is left to the extending contract.
 */
abstract contract ERC721ATransferRestrictedBase is ERC721ACommon {
    // =========================================================================
    //                           Errors
    // =========================================================================

    /**
     * @notice Thrown if an action is disallowed by the current transfer
     * restriction.
     */
    error DisallowedByTransferRestriction(TransferRestriction);

    // =========================================================================
    //                           Transfer Restriction
    // =========================================================================

    /**
     * @notice Returns the current transfer restriction.
     * @dev Hook to be implemented by the consuming contract (e.g. manual
     * setter, time based, etc.)
     */
    function transferRestriction() public view virtual returns (TransferRestriction);

    // =========================================================================
    //                           Internals
    // =========================================================================

    /**
     * @notice Blocks transfers depending on the current restrictions.
     */
    function _beforeTokenTransfers(address from, address to, uint256 startTokenId, uint256 quantity)
        internal
        virtual
        override
    {
        super._beforeTokenTransfers(from, to, startTokenId, quantity);

        TransferRestriction restriction = transferRestriction();
        if (restriction == TransferRestriction.None) {
            return;
        }
        if (restriction == TransferRestriction.OnlyMint && from == address(0)) {
            return;
        }
        if (restriction == TransferRestriction.OnlyBurn && to == address(0)) {
            return;
        }

        revert DisallowedByTransferRestriction(restriction);
    }
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity >=0.8.0 <0.9.0;

/**
 * @notice Basic interface for a contract providing sellable content.
 */
interface ISellable {
    /**
     * @notice Handles the sale of sellable content.
     * @dev This is usually only callable by Sellers.
     */
    function handleSale(address to, uint64 num, bytes calldata data) external payable;
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity >=0.8.0 <0.9.0;

import {ISellable} from "../interfaces/ISellable.sol";
import {PurchaseExecuter} from "../interfaces/PurchaseExecuter.sol";

/**
 * @notice Executes a purchase by calling the purchase interface of a `ISellable`  contract.
 */
abstract contract SellableCallbacker is PurchaseExecuter {
    /**
     * @notice Emitted when the callback to the `ISellable` contract fails.
     */
    error CallbackFailed(bytes reason);

    /**
     * @notice The `ISellable` contract that will be called to execute the purchase.
     */
    ISellable public immutable sellable;

    constructor(ISellable sellable_) {
        sellable = ISellable(sellable_);
    }

    /**
     * @notice Executes a purchase by calling the sale interface of a `ISellable` contract.
     */
    function _executePurchase(address to, uint64 num, uint256 cost, bytes memory data) internal virtual override {
        try sellable.handleSale{value: cost}(to, num, data) {}
        catch (bytes memory reason) {
            // TODO(dave): the reason is empty if the above call runs OutOfFund. Explore ways to bubble this up more cleanly.
            revert CallbackFailed(reason);
        }
    }
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity >=0.8.0 <0.9.0;

import {ReentrancyGuard} from "openzeppelin-contracts/security/ReentrancyGuard.sol";
import {PurchaseExecuter} from "../interfaces/PurchaseExecuter.sol";

/**
 * @notice Abstract base contract for all `Seller`s.
 * @dev The intention of this contract is to provide an extensible base for various kinds of Seller modules that can be
 * flexibly composed to build more complex sellers - allowing effective code reuse.
 * Derived contracts are intended to implement their logic by overriding and extending the `_checkAndModifyPurchase` and
 * `_beforePurchase` hooks (calling the parent implementation(s) to compose logic). The former is intended to perform
 * manipulations and checks of the input data; the latter to update the internal state of the module.
 * Final sellers will compose these modules and expose an addition external purchase function for buyers.
 */

abstract contract Seller is PurchaseExecuter, ReentrancyGuard {
    uint256 internal constant _UNDEFINED_COST = type(uint256).max;

    /**
     * @notice Internal function handling a given purchase, performing checks and input manipulations depending on the
     * logic in the hooks.
     * @param to The receiver of the purchase
     * @param num Number of requested purchases
     * @param externalTotalCost Total cost of the purchase
     * @dev This function is intended to be wrapped in an external method for final sellers. Since we cannot foresee
     * what logic will be implemented in the hooks, we added a reentrancy guard for safety.
     */
    function _purchase(address to, uint64 num, uint256 externalTotalCost, bytes memory data)
        internal
        virtual
        nonReentrant
    {
        uint256 totalCost;
        (to, num, totalCost) = _checkAndModifyPurchase(to, num, externalTotalCost, data);
        _beforePurchase(to, num, totalCost, data);
        _executePurchase(to, num, totalCost, data);
    }

    // =================================================================================================================
    //                           Hooks
    // =================================================================================================================

    /**
     * @notice Hook that is called before handling a purchase (even before `_beforePurchase`)
     * @dev The intent of this hook is to manipulate the input data and perform  checks before actually handling the
     * purchase.
     * @param to The receiver of the purchase
     * @param num Number of requested purchases
     * @param totalCost Total cost of the purchase
     * @dev This function MUST return sensible values, since these will be used to perfom the purchase.
     */
    function _checkAndModifyPurchase(address to, uint64 num, uint256 totalCost, bytes memory)
        internal
        view
        virtual
        returns (address, uint64, uint256)
    {
        return (to, num, totalCost);
    }

    /**
     * @notice Hook that is called before handling a purchase.
     * @dev The intent of this hook is to update the internal state of the seller (module) if necessary.
     * It is critical that the updates happen here and not in `_checkAndModifyPurchase` because only after calling that
     * function the purchase parameters can be considered fixed.
     */
    function _beforePurchase(address to, uint64 num, uint256 totalCost, bytes memory data) internal virtual {
        // solhint-disable-line no-empty-blocks
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerable is IAccessControl {
    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) external view returns (address);

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(account),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleGranted} event.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleRevoked} event.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * May emit a {RoleGranted} event.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * 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.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastValue;
                // Update the index for the moved value
                set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

/**
 * @dev Interface of ERC721A.
 */
interface IERC721A {
    /**
     * The caller must own the token or be an approved operator.
     */
    error ApprovalCallerNotOwnerNorApproved();

    /**
     * The token does not exist.
     */
    error ApprovalQueryForNonexistentToken();

    /**
     * Cannot query the balance for the zero address.
     */
    error BalanceQueryForZeroAddress();

    /**
     * Cannot mint to the zero address.
     */
    error MintToZeroAddress();

    /**
     * The quantity of tokens minted must be more than zero.
     */
    error MintZeroQuantity();

    /**
     * The token does not exist.
     */
    error OwnerQueryForNonexistentToken();

    /**
     * The caller must own the token or be an approved operator.
     */
    error TransferCallerNotOwnerNorApproved();

    /**
     * The token must be owned by `from`.
     */
    error TransferFromIncorrectOwner();

    /**
     * Cannot safely transfer to a contract that does not implement the
     * ERC721Receiver interface.
     */
    error TransferToNonERC721ReceiverImplementer();

    /**
     * Cannot transfer to the zero address.
     */
    error TransferToZeroAddress();

    /**
     * The token does not exist.
     */
    error URIQueryForNonexistentToken();

    /**
     * The `quantity` minted with ERC2309 exceeds the safety limit.
     */
    error MintERC2309QuantityExceedsLimit();

    /**
     * The `extraData` cannot be set on an unintialized ownership slot.
     */
    error OwnershipNotInitializedForExtraData();

    // =============================================================
    //                            STRUCTS
    // =============================================================

    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Stores the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
        // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
        uint24 extraData;
    }

    // =============================================================
    //                         TOKEN COUNTERS
    // =============================================================

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() external view returns (uint256);

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);

    // =============================================================
    //                            IERC721
    // =============================================================

    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables
     * (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`,
     * checking first that contract recipients are aware of the ERC721 protocol
     * to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move
     * this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external payable;

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom}
     * whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the
     * zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external payable;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);

    // =============================================================
    //                           IERC2309
    // =============================================================

    /**
     * @dev Emitted when tokens in `fromTokenId` to `toTokenId`
     * (inclusive) is transferred from `from` to `to`, as defined in the
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
     *
     * See {_mintERC2309} for more details.
     */
    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

import "../utils/introspection/IERC165.sol";

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981 is IERC165 {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface IOperatorFilterRegistry {
    /**
     * @notice Returns true if operator is not filtered for a given token, either by address or codeHash. Also returns
     *         true if supplied registrant address is not registered.
     */
    function isOperatorAllowed(address registrant, address operator) external view returns (bool);

    /**
     * @notice Registers an address with the registry. May be called by address itself or by EIP-173 owner.
     */
    function register(address registrant) external;

    /**
     * @notice Registers an address with the registry and "subscribes" to another address's filtered operators and codeHashes.
     */
    function registerAndSubscribe(address registrant, address subscription) external;

    /**
     * @notice Registers an address with the registry and copies the filtered operators and codeHashes from another
     *         address without subscribing.
     */
    function registerAndCopyEntries(address registrant, address registrantToCopy) external;

    /**
     * @notice Unregisters an address with the registry and removes its subscription. May be called by address itself or by EIP-173 owner.
     *         Note that this does not remove any filtered addresses or codeHashes.
     *         Also note that any subscriptions to this registrant will still be active and follow the existing filtered addresses and codehashes.
     */
    function unregister(address addr) external;

    /**
     * @notice Update an operator address for a registered address - when filtered is true, the operator is filtered.
     */
    function updateOperator(address registrant, address operator, bool filtered) external;

    /**
     * @notice Update multiple operators for a registered address - when filtered is true, the operators will be filtered. Reverts on duplicates.
     */
    function updateOperators(address registrant, address[] calldata operators, bool filtered) external;

    /**
     * @notice Update a codeHash for a registered address - when filtered is true, the codeHash is filtered.
     */
    function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;

    /**
     * @notice Update multiple codeHashes for a registered address - when filtered is true, the codeHashes will be filtered. Reverts on duplicates.
     */
    function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;

    /**
     * @notice Subscribe an address to another registrant's filtered operators and codeHashes. Will remove previous
     *         subscription if present.
     *         Note that accounts with subscriptions may go on to subscribe to other accounts - in this case,
     *         subscriptions will not be forwarded. Instead the former subscription's existing entries will still be
     *         used.
     */
    function subscribe(address registrant, address registrantToSubscribe) external;

    /**
     * @notice Unsubscribe an address from its current subscribed registrant, and optionally copy its filtered operators and codeHashes.
     */
    function unsubscribe(address registrant, bool copyExistingEntries) external;

    /**
     * @notice Get the subscription address of a given registrant, if any.
     */
    function subscriptionOf(address addr) external returns (address registrant);

    /**
     * @notice Get the set of addresses subscribed to a given registrant.
     *         Note that order is not guaranteed as updates are made.
     */
    function subscribers(address registrant) external returns (address[] memory);

    /**
     * @notice Get the subscriber at a given index in the set of addresses subscribed to a given registrant.
     *         Note that order is not guaranteed as updates are made.
     */
    function subscriberAt(address registrant, uint256 index) external returns (address);

    /**
     * @notice Copy filtered operators and codeHashes from a different registrantToCopy to addr.
     */
    function copyEntriesOf(address registrant, address registrantToCopy) external;

    /**
     * @notice Returns true if operator is filtered by a given address or its subscription.
     */
    function isOperatorFiltered(address registrant, address operator) external returns (bool);

    /**
     * @notice Returns true if the hash of an address's code is filtered by a given address or its subscription.
     */
    function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);

    /**
     * @notice Returns true if a codeHash is filtered by a given address or its subscription.
     */
    function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);

    /**
     * @notice Returns a list of filtered operators for a given address or its subscription.
     */
    function filteredOperators(address addr) external returns (address[] memory);

    /**
     * @notice Returns the set of filtered codeHashes for a given address or its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredCodeHashes(address addr) external returns (bytes32[] memory);

    /**
     * @notice Returns the filtered operator at the given index of the set of filtered operators for a given address or
     *         its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredOperatorAt(address registrant, uint256 index) external returns (address);

    /**
     * @notice Returns the filtered codeHash at the given index of the list of filtered codeHashes for a given address or
     *         its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);

    /**
     * @notice Returns true if an address has registered
     */
    function isRegistered(address addr) external returns (bool);

    /**
     * @dev Convenience method to compute the code hash of an arbitrary contract
     */
    function codeHashOf(address addr) external returns (bytes32);
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity ^0.8.0;

/**
 * @notice Interface for a redeemable Voucher token preventing double spending
 * through internal book-keeping (e.g. burning the token, token property, etc.).
 * @dev Voucher tokens are intendent to be redeemed through a redeemer contract.
 */
interface IRedeemableToken {
    /**
     * @notice Thrown if the redemption caller is not allowed to spend a given
     * voucher.
     */
    error RedeemerCallerNotAllowedToSpendVoucher(address sender, uint256 tokenId);

    /**
     * @notice Interface through which a `IRedeemer` contract informs the
     * voucher about its redemption.
     * @param sender The address that initiate the redemption on the
     * redeemer contract.
     * @param tokenId The voucher token to be redeemed.
     * @dev This function MUST be called by redeemer contracts.
     * @dev MUST revert with `RedeemerNotApproved` if the calling redeemer
     * contract is not approved to spend this voucher.
     * @dev MUST revert with `RedeemerCallerNotAllowedToSpendVoucher` if
     * sender is not allowed to spend tokenId.
     */
    function redeem(address sender, uint256 tokenId) external;
}

// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity >=0.8.0 <0.9.0;

/**
 * @notice Interface to execute purchases in `Seller`s.
 * @dev This executes the final purchase. This can be anything from minting ERC721 tokens to transfering funds, etc.
 */
abstract contract PurchaseExecuter {
    function _executePurchase(address to, uint64 num, uint256 cost, bytes memory data) internal virtual;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

{
  "remappings": [
    "@divergencetech/ethier/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/ethier_0-55-0/",
    "@openzeppelin/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/openzeppelin-contracts_4-8-1/",
    "ERC721A/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/ERC721A_4-2-3/contracts/",
    "ERC721A_root/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/ERC721A_4-2-3/",
    "delegation-registry/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/delegation-registry_2d1a158b/src/",
    "delegation-registry_root/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/delegation-registry_2d1a158b/",
    "ds-test/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/ds-test_013e6c64/src/",
    "ds-test_root/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/ds-test_013e6c64/",
    "erc721a/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/ERC721A_4-2-3/",
    "ethier/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/ethier_0-55-0/contracts/",
    "ethier_root/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/ethier_0-55-0/",
    "forge-std/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/forge-std_1-4-0/src/",
    "openzeppelin-contracts/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/openzeppelin-contracts_4-8-1/contracts/",
    "openzeppelin-contracts/contracts/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/openzeppelin-contracts_4-8-1/contracts/",
    "openzeppelin-contracts_root/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/openzeppelin-contracts_4-8-1/",
    "operator-filter-registry/src/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/operator-filter-registry_1-4-1/src/",
    "operator-filter-registry_root/=/home/dave/.cache/bazel/_bazel_dave/b9a57168317213f9241a484d2ee2d038/external/operator-filter-registry_1-4-1/",
    "proof/constants/=/home/dave/proof/proof-seller/contracts/constants/src/",
    "proof/redemption/=/home/dave/proof/proof-seller/contracts/redemption/src/",
    "proof/sellers/=/home/dave/proof/proof-seller/contracts/sellers/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 9999
  },
  "metadata": {
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"admin","type":"address"},{"internalType":"address","name":"steerer","type":"address"},{"internalType":"address payable","name":"secondaryReceiver","type":"address"},{"internalType":"uint64","name":"numDayOneBirds","type":"uint64"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[{"internalType":"enum TransferRestriction","name":"","type":"uint8"}],"name":"DisallowedByTransferRestriction","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"RedeemerCallerNotAllowedToSpendVoucher","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[{"internalType":"enum TransferRestriction","name":"want","type":"uint8"}],"name":"TransferRestrictionCheckFailed","type":"error"},{"inputs":[],"name":"TransferRestrictionLocked","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_toTokenId","type":"uint256"}],"name":"BatchMetadataUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"MetadataUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"AUTHORISED_SELLER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEFAULT_STEERING_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OPERATOR_FILTER_REGISTRY","outputs":[{"internalType":"contract IOperatorFilterRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"REDEEMER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"airdropper","outputs":[{"internalType":"contract RoleGatedFreeOfCharge","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"cdata","type":"bytes"}],"name":"callOperatorFilterRegistry","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"emitMetadataUpdateForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint64","name":"num","type":"uint64"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"handleSale","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lockRedeemers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lockSellers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum TransferRestriction","name":"restriction","type":"uint8"}],"name":"lockTransferRestriction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"redeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseTokenURI_","type":"string"}],"name":"setBaseTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint96","name":"basisPoints","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum TransferRestriction","name":"restriction","type":"uint8"}],"name":"setTransferRestriction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"transferRestriction","outputs":[{"internalType":"enum TransferRestriction","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

00000000000000000000000032220f07dbcd18149f619f28cd09fd911cc0372d00000000000000000000000032220f07dbcd18149f619f28cd09fd911cc0372d0000000000000000000000002ed939a9285b42eb5cdb3cfd3b0bb9a48ab1c5b70000000000000000000000000000000000000000000000000000000000002710

-----Decoded View---------------
Arg [0] : admin (address): 0x32220f07DBcd18149f619F28cD09FD911cc0372D
Arg [1] : steerer (address): 0x32220f07DBcd18149f619F28cD09FD911cc0372D
Arg [2] : secondaryReceiver (address): 0x2eD939a9285B42EB5CdB3cfD3B0bb9a48aB1c5b7
Arg [3] : numDayOneBirds (uint64): 10000

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 00000000000000000000000032220f07dbcd18149f619f28cd09fd911cc0372d
Arg [1] : 00000000000000000000000032220f07dbcd18149f619f28cd09fd911cc0372d
Arg [2] : 0000000000000000000000002ed939a9285b42eb5cdb3cfd3b0bb9a48ab1c5b7
Arg [3] : 0000000000000000000000000000000000000000000000000000000000002710