// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;

//  ==========  External imports    ==========

import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";

import "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155ReceiverUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol";

import "@openzeppelin/contracts-upgradeable/utils/introspection/IERC165Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol";

import "@openzeppelin/contracts-upgradeable/access/AccessControlEnumerableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/MulticallUpgradeable.sol";

//  ==========  Internal imports    ==========

import { IMarketplace } from "../interfaces/marketplace/IMarketplace.sol";

import "../openzeppelin-presets/metatx/ERC2771ContextUpgradeable.sol";

import "../lib/CurrencyTransferLib.sol";
import "../lib/FeeType.sol";

contract Marketplace is
    Initializable,
    IMarketplace,
    ReentrancyGuardUpgradeable,
    ERC2771ContextUpgradeable,
    MulticallUpgradeable,
    AccessControlEnumerableUpgradeable,
    IERC721ReceiverUpgradeable,
    IERC1155ReceiverUpgradeable
{
    /*///////////////////////////////////////////////////////////////
                            State variables
    //////////////////////////////////////////////////////////////*/

    bytes32 private constant MODULE_TYPE = bytes32("Marketplace");
    uint256 private constant VERSION = 2;

    /// @dev Only lister role holders can create listings, when listings are restricted by lister address.
    bytes32 private constant LISTER_ROLE = keccak256("LISTER_ROLE");
    /// @dev Only assets from NFT contracts with asset role can be listed, when listings are restricted by asset address.
    bytes32 private constant ASSET_ROLE = keccak256("ASSET_ROLE");

    /// @dev The address of the native token wrapper contract.
    address private immutable nativeTokenWrapper;

    /// @dev Total number of listings ever created in the marketplace.
    uint256 public totalListings;

    /// @dev Contract level metadata.
    string public contractURI;

    /// @dev The address that receives all platform fees from all sales.
    address private platformFeeRecipient;

    /// @dev The max bps of the contract. So, 10_000 == 100 %
    uint64 public constant MAX_BPS = 10_000;

    /// @dev The % of primary sales collected as platform fees.
    uint64 private platformFeeBps;

    /// @dev
    /**
     *  @dev The amount of time added to an auction's 'endTime', if a bid is made within `timeBuffer`
     *       seconds of the existing `endTime`. Default: 15 minutes.
     */
    uint64 public timeBuffer;

    /// @dev The minimum % increase required from the previous winning bid. Default: 5%.
    uint64 public bidBufferBps;

    /*///////////////////////////////////////////////////////////////
                                Mappings
    //////////////////////////////////////////////////////////////*/

    /// @dev Mapping from uid of listing => listing info.
    mapping(uint256 => Listing) public listings;

    /// @dev Mapping from uid of a direct listing => offeror address => offer made to the direct listing by the respective offeror.
    mapping(uint256 => mapping(address => Offer)) public offers;

    /// @dev Mapping from uid of an auction listing => current winning bid in an auction.
    mapping(uint256 => Offer) public winningBid;

    /*///////////////////////////////////////////////////////////////
                                Modifiers
    //////////////////////////////////////////////////////////////*/

    /// @dev Checks whether caller is a listing creator.
    modifier onlyListingCreator(uint256 _listingId) {
        require(listings[_listingId].tokenOwner == _msgSender(), "!OWNER");
        _;
    }

    /// @dev Checks whether a listing exists.
    modifier onlyExistingListing(uint256 _listingId) {
        require(listings[_listingId].assetContract != address(0), "DNE");
        _;
    }

    /*///////////////////////////////////////////////////////////////
                    Constructor + initializer logic
    //////////////////////////////////////////////////////////////*/

    constructor(address _nativeTokenWrapper) initializer {
        nativeTokenWrapper = _nativeTokenWrapper;
    }

    /// @dev Initiliazes the contract, like a constructor.
    function initialize(
        address _defaultAdmin,
        string memory _contractURI,
        address[] memory _trustedForwarders,
        address _platformFeeRecipient,
        uint256 _platformFeeBps
    ) external initializer {
        // Initialize inherited contracts, most base-like -> most derived.
        __ReentrancyGuard_init();
        __ERC2771Context_init(_trustedForwarders);

        // Initialize this contract's state.
        timeBuffer = 15 minutes;
        bidBufferBps = 500;

        contractURI = _contractURI;
        platformFeeBps = uint64(_platformFeeBps);
        platformFeeRecipient = _platformFeeRecipient;

        _setupRole(DEFAULT_ADMIN_ROLE, _defaultAdmin);
        _setupRole(LISTER_ROLE, address(0));
        _setupRole(ASSET_ROLE, address(0));
    }

    /*///////////////////////////////////////////////////////////////
                        Generic contract logic
    //////////////////////////////////////////////////////////////*/

    /// @dev Lets the contract receives native tokens from `nativeTokenWrapper` withdraw.
    receive() external payable {}

    /// @dev Returns the type of the contract.
    function contractType() external pure returns (bytes32) {
        return MODULE_TYPE;
    }

    /// @dev Returns the version of the contract.
    function contractVersion() external pure returns (uint8) {
        return uint8(VERSION);
    }

    /*///////////////////////////////////////////////////////////////
                        ERC 165 / 721 / 1155 logic
    //////////////////////////////////////////////////////////////*/

    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(
        address,
        address,
        uint256[] memory,
        uint256[] memory,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155BatchReceived.selector;
    }

    function onERC721Received(
        address,
        address,
        uint256,
        bytes calldata
    ) external pure override returns (bytes4) {
        return this.onERC721Received.selector;
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(AccessControlEnumerableUpgradeable, IERC165Upgradeable)
        returns (bool)
    {
        return
            interfaceId == type(IERC1155ReceiverUpgradeable).interfaceId ||
            interfaceId == type(IERC721ReceiverUpgradeable).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /*///////////////////////////////////////////////////////////////
                Listing (create-update-delete) logic
    //////////////////////////////////////////////////////////////*/

    /// @dev Lets a token owner list tokens for sale: Direct Listing or Auction.
    function createListing(ListingParameters memory _params) external override {
        // Get values to populate `Listing`.
        uint256 listingId = totalListings;
        totalListings += 1;

        address tokenOwner = _msgSender();
        TokenType tokenTypeOfListing = getTokenType(_params.assetContract);
        uint256 tokenAmountToList = getSafeQuantity(tokenTypeOfListing, _params.quantityToList);

        require(tokenAmountToList > 0, "QUANTITY");
        require(hasRole(LISTER_ROLE, address(0)) || hasRole(LISTER_ROLE, _msgSender()), "!LISTER");
        require(hasRole(ASSET_ROLE, address(0)) || hasRole(ASSET_ROLE, _params.assetContract), "!ASSET");

        uint256 startTime = _params.startTime;
        if (startTime < block.timestamp) {
            // do not allow listing to start in the past (1 hour buffer)
            require(block.timestamp - startTime < 1 hours, "ST");
            startTime = block.timestamp;
        }

        validateOwnershipAndApproval(
            tokenOwner,
            _params.assetContract,
            _params.tokenId,
            tokenAmountToList,
            tokenTypeOfListing
        );

        Listing memory newListing = Listing({
            listingId: listingId,
            tokenOwner: tokenOwner,
            assetContract: _params.assetContract,
            tokenId: _params.tokenId,
            startTime: startTime,
            endTime: startTime + _params.secondsUntilEndTime,
            quantity: tokenAmountToList,
            currency: _params.currencyToAccept,
            reservePricePerToken: _params.reservePricePerToken,
            buyoutPricePerToken: _params.buyoutPricePerToken,
            tokenType: tokenTypeOfListing,
            listingType: _params.listingType
        });

        listings[listingId] = newListing;

        // Tokens listed for sale in an auction are escrowed in Marketplace.
        if (newListing.listingType == ListingType.Auction) {
            require(newListing.buyoutPricePerToken >= newListing.reservePricePerToken, "RESERVE");
            transferListingTokens(tokenOwner, address(this), tokenAmountToList, newListing);
        }

        emit ListingAdded(listingId, _params.assetContract, tokenOwner, newListing);
    }

    /// @dev Lets a listing's creator edit the listing's parameters.
    function updateListing(
        uint256 _listingId,
        uint256 _quantityToList,
        uint256 _reservePricePerToken,
        uint256 _buyoutPricePerToken,
        address _currencyToAccept,
        uint256 _startTime,
        uint256 _secondsUntilEndTime
    ) external override onlyListingCreator(_listingId) {
        Listing memory targetListing = listings[_listingId];
        uint256 safeNewQuantity = getSafeQuantity(targetListing.tokenType, _quantityToList);
        bool isAuction = targetListing.listingType == ListingType.Auction;

        require(safeNewQuantity != 0, "QUANTITY");

        // Can only edit auction listing before it starts.
        if (isAuction) {
            require(block.timestamp < targetListing.startTime, "STARTED");
            require(_buyoutPricePerToken >= _reservePricePerToken, "RESERVE");
        }

        if (_startTime < block.timestamp) {
            // do not allow listing to start in the past (1 hour buffer)
            require(block.timestamp - _startTime < 1 hours, "ST");
            _startTime = block.timestamp;
        }

        uint256 newStartTime = _startTime == 0 ? targetListing.startTime : _startTime;
        listings[_listingId] = Listing({
            listingId: _listingId,
            tokenOwner: _msgSender(),
            assetContract: targetListing.assetContract,
            tokenId: targetListing.tokenId,
            startTime: newStartTime,
            endTime: _secondsUntilEndTime == 0 ? targetListing.endTime : newStartTime + _secondsUntilEndTime,
            quantity: safeNewQuantity,
            currency: _currencyToAccept,
            reservePricePerToken: _reservePricePerToken,
            buyoutPricePerToken: _buyoutPricePerToken,
            tokenType: targetListing.tokenType,
            listingType: targetListing.listingType
        });

        // Must validate ownership and approval of the new quantity of tokens for diret listing.
        if (targetListing.quantity != safeNewQuantity) {
            // Transfer all escrowed tokens back to the lister, to be reflected in the lister's
            // balance for the upcoming ownership and approval check.
            if (isAuction) {
                transferListingTokens(address(this), targetListing.tokenOwner, targetListing.quantity, targetListing);
            }

            validateOwnershipAndApproval(
                targetListing.tokenOwner,
                targetListing.assetContract,
                targetListing.tokenId,
                safeNewQuantity,
                targetListing.tokenType
            );

            // Escrow the new quantity of tokens to list in the auction.
            if (isAuction) {
                transferListingTokens(targetListing.tokenOwner, address(this), safeNewQuantity, targetListing);
            }
        }

        emit ListingUpdated(_listingId, targetListing.tokenOwner);
    }

    /// @dev Lets a direct listing creator cancel their listing.
    function cancelDirectListing(uint256 _listingId) external onlyListingCreator(_listingId) {
        Listing memory targetListing = listings[_listingId];

        require(targetListing.listingType == ListingType.Direct, "!DIRECT");

        delete listings[_listingId];

        emit ListingRemoved(_listingId, targetListing.tokenOwner);
    }

    /*///////////////////////////////////////////////////////////////
                    Direct lisitngs sales logic
    //////////////////////////////////////////////////////////////*/

    /// @dev Lets an account buy a given quantity of tokens from a listing.
    function buy(
        uint256 _listingId,
        address _buyFor,
        uint256 _quantityToBuy,
        address _currency,
        uint256 _totalPrice
    ) external payable override nonReentrant onlyExistingListing(_listingId) {
        Listing memory targetListing = listings[_listingId];
        address payer = _msgSender();

        // Check whether the settled total price and currency to use are correct.
        require(
            _currency == targetListing.currency && _totalPrice == (targetListing.buyoutPricePerToken * _quantityToBuy),
            "!PRICE"
        );

        executeSale(
            targetListing,
            payer,
            _buyFor,
            targetListing.currency,
            targetListing.buyoutPricePerToken * _quantityToBuy,
            _quantityToBuy
        );
    }

    /// @dev Lets a listing's creator accept an offer for their direct listing.
    function acceptOffer(
        uint256 _listingId,
        address _offeror,
        address _currency,
        uint256 _pricePerToken
    ) external override nonReentrant onlyListingCreator(_listingId) onlyExistingListing(_listingId) {
        Offer memory targetOffer = offers[_listingId][_offeror];
        Listing memory targetListing = listings[_listingId];

        require(_currency == targetOffer.currency && _pricePerToken == targetOffer.pricePerToken, "!PRICE");
        require(targetOffer.expirationTimestamp > block.timestamp, "EXPIRED");

        delete offers[_listingId][_offeror];

        executeSale(
            targetListing,
            _offeror,
            _offeror,
            targetOffer.currency,
            targetOffer.pricePerToken * targetOffer.quantityWanted,
            targetOffer.quantityWanted
        );
    }

    /// @dev Performs a direct listing sale.
    function executeSale(
        Listing memory _targetListing,
        address _payer,
        address _receiver,
        address _currency,
        uint256 _currencyAmountToTransfer,
        uint256 _listingTokenAmountToTransfer
    ) internal {
        validateDirectListingSale(
            _targetListing,
            _payer,
            _listingTokenAmountToTransfer,
            _currency,
            _currencyAmountToTransfer
        );

        _targetListing.quantity -= _listingTokenAmountToTransfer;
        listings[_targetListing.listingId] = _targetListing;

        payout(_payer, _targetListing.tokenOwner, _currency, _currencyAmountToTransfer, _targetListing);
        transferListingTokens(_targetListing.tokenOwner, _receiver, _listingTokenAmountToTransfer, _targetListing);

        emit NewSale(
            _targetListing.listingId,
            _targetListing.assetContract,
            _targetListing.tokenOwner,
            _receiver,
            _listingTokenAmountToTransfer,
            _currencyAmountToTransfer
        );
    }

    /*///////////////////////////////////////////////////////////////
                        Offer/bid logic
    //////////////////////////////////////////////////////////////*/

    /// @dev Lets an account (1) make an offer to a direct listing, or (2) make a bid in an auction.
    function offer(
        uint256 _listingId,
        uint256 _quantityWanted,
        address _currency,
        uint256 _pricePerToken,
        uint256 _expirationTimestamp
    ) external payable override nonReentrant onlyExistingListing(_listingId) {
        Listing memory targetListing = listings[_listingId];

        require(
            targetListing.endTime > block.timestamp && targetListing.startTime < block.timestamp,
            "inactive listing."
        );

        // Both - (1) offers to direct listings, and (2) bids to auctions - share the same structure.
        Offer memory newOffer = Offer({
            listingId: _listingId,
            offeror: _msgSender(),
            quantityWanted: _quantityWanted,
            currency: _currency,
            pricePerToken: _pricePerToken,
            expirationTimestamp: _expirationTimestamp
        });

        if (targetListing.listingType == ListingType.Auction) {
            // A bid to an auction must be made in the auction's desired currency.
            require(newOffer.currency == targetListing.currency, "must use approved currency to bid");

            // A bid must be made for all auction items.
            newOffer.quantityWanted = getSafeQuantity(targetListing.tokenType, targetListing.quantity);

            handleBid(targetListing, newOffer);
        } else if (targetListing.listingType == ListingType.Direct) {
            // Prevent potentially lost/locked native token.
            require(msg.value == 0, "no value needed");

            // Offers to direct listings cannot be made directly in native tokens.
            newOffer.currency = _currency == CurrencyTransferLib.NATIVE_TOKEN ? nativeTokenWrapper : _currency;
            newOffer.quantityWanted = getSafeQuantity(targetListing.tokenType, _quantityWanted);

            handleOffer(targetListing, newOffer);
        }
    }

    /// @dev Processes a new offer to a direct listing.
    function handleOffer(Listing memory _targetListing, Offer memory _newOffer) internal {
        require(
            _newOffer.quantityWanted <= _targetListing.quantity && _targetListing.quantity > 0,
            "insufficient tokens in listing."
        );

        validateERC20BalAndAllowance(
            _newOffer.offeror,
            _newOffer.currency,
            _newOffer.pricePerToken * _newOffer.quantityWanted
        );

        offers[_targetListing.listingId][_newOffer.offeror] = _newOffer;

        emit NewOffer(
            _targetListing.listingId,
            _newOffer.offeror,
            _targetListing.listingType,
            _newOffer.quantityWanted,
            _newOffer.pricePerToken * _newOffer.quantityWanted,
            _newOffer.currency
        );
    }

    /// @dev Processes an incoming bid in an auction.
    function handleBid(Listing memory _targetListing, Offer memory _incomingBid) internal {
        Offer memory currentWinningBid = winningBid[_targetListing.listingId];
        uint256 currentOfferAmount = currentWinningBid.pricePerToken * currentWinningBid.quantityWanted;
        uint256 incomingOfferAmount = _incomingBid.pricePerToken * _incomingBid.quantityWanted;
        address _nativeTokenWrapper = nativeTokenWrapper;

        // Close auction and execute sale if there's a buyout price and incoming offer amount is buyout price.
        if (
            _targetListing.buyoutPricePerToken > 0 &&
            incomingOfferAmount >= _targetListing.buyoutPricePerToken * _targetListing.quantity
        ) {
            _closeAuctionForBidder(_targetListing, _incomingBid);
        } else {
            /**
             *      If there's an exisitng winning bid, incoming bid amount must be bid buffer % greater.
             *      Else, bid amount must be at least as great as reserve price
             */
            require(
                isNewWinningBid(
                    _targetListing.reservePricePerToken * _targetListing.quantity,
                    currentOfferAmount,
                    incomingOfferAmount
                ),
                "not winning bid."
            );

            // Update the winning bid and listing's end time before external contract calls.
            winningBid[_targetListing.listingId] = _incomingBid;

            if (_targetListing.endTime - block.timestamp <= timeBuffer) {
                _targetListing.endTime += timeBuffer;
                listings[_targetListing.listingId] = _targetListing;
            }
        }

        // Payout previous highest bid.
        if (currentWinningBid.offeror != address(0) && currentOfferAmount > 0) {
            CurrencyTransferLib.transferCurrencyWithWrapper(
                _targetListing.currency,
                address(this),
                currentWinningBid.offeror,
                currentOfferAmount,
                _nativeTokenWrapper
            );
        }

        // Collect incoming bid
        CurrencyTransferLib.transferCurrencyWithWrapper(
            _targetListing.currency,
            _incomingBid.offeror,
            address(this),
            incomingOfferAmount,
            _nativeTokenWrapper
        );

        emit NewOffer(
            _targetListing.listingId,
            _incomingBid.offeror,
            _targetListing.listingType,
            _incomingBid.quantityWanted,
            _incomingBid.pricePerToken * _incomingBid.quantityWanted,
            _incomingBid.currency
        );
    }

    /// @dev Checks whether an incoming bid is the new current highest bid.
    function isNewWinningBid(
        uint256 _reserveAmount,
        uint256 _currentWinningBidAmount,
        uint256 _incomingBidAmount
    ) internal view returns (bool isValidNewBid) {
        if (_currentWinningBidAmount == 0) {
            isValidNewBid = _incomingBidAmount >= _reserveAmount;
        } else {
            isValidNewBid = (_incomingBidAmount > _currentWinningBidAmount &&
                ((_incomingBidAmount - _currentWinningBidAmount) * MAX_BPS) / _currentWinningBidAmount >= bidBufferBps);
        }
    }

    /*///////////////////////////////////////////////////////////////
                    Auction lisitngs sales logic
    //////////////////////////////////////////////////////////////*/

    /// @dev Lets an account close an auction for either the (1) winning bidder, or (2) auction creator.
    function closeAuction(uint256 _listingId, address _closeFor)
        external
        override
        nonReentrant
        onlyExistingListing(_listingId)
    {
        Listing memory targetListing = listings[_listingId];

        require(targetListing.listingType == ListingType.Auction, "not an auction.");

        Offer memory targetBid = winningBid[_listingId];

        // Cancel auction if (1) auction hasn't started, or (2) auction doesn't have any bids.
        bool toCancel = targetListing.startTime > block.timestamp || targetBid.offeror == address(0);

        if (toCancel) {
            // cancel auction listing owner check
            _cancelAuction(targetListing);
        } else {
            require(targetListing.endTime < block.timestamp, "cannot close auction before it has ended.");

            // No `else if` to let auction close in 1 tx when targetListing.tokenOwner == targetBid.offeror.
            if (_closeFor == targetListing.tokenOwner) {
                _closeAuctionForAuctionCreator(targetListing, targetBid);
            }

            if (_closeFor == targetBid.offeror) {
                _closeAuctionForBidder(targetListing, targetBid);
            }
        }
    }

    /// @dev Cancels an auction.
    function _cancelAuction(Listing memory _targetListing) internal {
        require(listings[_targetListing.listingId].tokenOwner == _msgSender(), "caller is not the listing creator.");

        delete listings[_targetListing.listingId];

        transferListingTokens(address(this), _targetListing.tokenOwner, _targetListing.quantity, _targetListing);

        emit AuctionClosed(_targetListing.listingId, _msgSender(), true, _targetListing.tokenOwner, address(0));
    }

    /// @dev Closes an auction for an auction creator; distributes winning bid amount to auction creator.
    function _closeAuctionForAuctionCreator(Listing memory _targetListing, Offer memory _winningBid) internal {
        uint256 payoutAmount = _winningBid.pricePerToken * _targetListing.quantity;

        _targetListing.quantity = 0;
        _targetListing.endTime = block.timestamp;
        listings[_targetListing.listingId] = _targetListing;

        _winningBid.pricePerToken = 0;
        winningBid[_targetListing.listingId] = _winningBid;

        payout(address(this), _targetListing.tokenOwner, _targetListing.currency, payoutAmount, _targetListing);

        emit AuctionClosed(
            _targetListing.listingId,
            _msgSender(),
            false,
            _targetListing.tokenOwner,
            _winningBid.offeror
        );
    }

    /// @dev Closes an auction for the winning bidder; distributes auction items to the winning bidder.
    function _closeAuctionForBidder(Listing memory _targetListing, Offer memory _winningBid) internal {
        uint256 quantityToSend = _winningBid.quantityWanted;

        _targetListing.endTime = block.timestamp;
        _winningBid.quantityWanted = 0;

        winningBid[_targetListing.listingId] = _winningBid;
        listings[_targetListing.listingId] = _targetListing;

        transferListingTokens(address(this), _winningBid.offeror, quantityToSend, _targetListing);

        emit AuctionClosed(
            _targetListing.listingId,
            _msgSender(),
            false,
            _targetListing.tokenOwner,
            _winningBid.offeror
        );
    }

    /*///////////////////////////////////////////////////////////////
            Shared (direct+auction listings) internal functions
    //////////////////////////////////////////////////////////////*/

    /// @dev Transfers tokens listed for sale in a direct or auction listing.
    function transferListingTokens(
        address _from,
        address _to,
        uint256 _quantity,
        Listing memory _listing
    ) internal {
        if (_listing.tokenType == TokenType.ERC1155) {
            IERC1155Upgradeable(_listing.assetContract).safeTransferFrom(_from, _to, _listing.tokenId, _quantity, "");
        } else if (_listing.tokenType == TokenType.ERC721) {
            IERC721Upgradeable(_listing.assetContract).safeTransferFrom(_from, _to, _listing.tokenId, "");
        }
    }

    /// @dev Pays out stakeholders in a sale.
    function payout(
        address _payer,
        address _payee,
        address _currencyToUse,
        uint256 _totalPayoutAmount,
        Listing memory _listing
    ) internal {
        uint256 platformFeeCut = (_totalPayoutAmount * platformFeeBps) / MAX_BPS;

        uint256 royaltyCut;
        address royaltyRecipient;

        // Distribute royalties. See Sushiswap's https://github.com/sushiswap/shoyu/blob/master/contracts/base/BaseExchange.sol#L296
        try IERC2981Upgradeable(_listing.assetContract).royaltyInfo(_listing.tokenId, _totalPayoutAmount) returns (
            address royaltyFeeRecipient,
            uint256 royaltyFeeAmount
        ) {
            if (royaltyFeeRecipient != address(0) && royaltyFeeAmount > 0) {
                require(royaltyFeeAmount + platformFeeCut <= _totalPayoutAmount, "fees exceed the price");
                royaltyRecipient = royaltyFeeRecipient;
                royaltyCut = royaltyFeeAmount;
            }
        } catch {}

        // Distribute price to token owner
        address _nativeTokenWrapper = nativeTokenWrapper;

        CurrencyTransferLib.transferCurrencyWithWrapper(
            _currencyToUse,
            _payer,
            platformFeeRecipient,
            platformFeeCut,
            _nativeTokenWrapper
        );
        CurrencyTransferLib.transferCurrencyWithWrapper(
            _currencyToUse,
            _payer,
            royaltyRecipient,
            royaltyCut,
            _nativeTokenWrapper
        );
        CurrencyTransferLib.transferCurrencyWithWrapper(
            _currencyToUse,
            _payer,
            _payee,
            _totalPayoutAmount - (platformFeeCut + royaltyCut),
            _nativeTokenWrapper
        );
    }

    /// @dev Validates that `_addrToCheck` owns and has approved markeplace to transfer the appropriate amount of currency
    function validateERC20BalAndAllowance(
        address _addrToCheck,
        address _currency,
        uint256 _currencyAmountToCheckAgainst
    ) internal view {
        require(
            IERC20Upgradeable(_currency).balanceOf(_addrToCheck) >= _currencyAmountToCheckAgainst &&
                IERC20Upgradeable(_currency).allowance(_addrToCheck, address(this)) >= _currencyAmountToCheckAgainst,
            "!BAL20"
        );
    }

    /// @dev Validates that `_tokenOwner` owns and has approved Market to transfer NFTs.
    function validateOwnershipAndApproval(
        address _tokenOwner,
        address _assetContract,
        uint256 _tokenId,
        uint256 _quantity,
        TokenType _tokenType
    ) internal view {
        address market = address(this);
        bool isValid;

        if (_tokenType == TokenType.ERC1155) {
            isValid =
                IERC1155Upgradeable(_assetContract).balanceOf(_tokenOwner, _tokenId) >= _quantity &&
                IERC1155Upgradeable(_assetContract).isApprovedForAll(_tokenOwner, market);
        } else if (_tokenType == TokenType.ERC721) {
            isValid =
                IERC721Upgradeable(_assetContract).ownerOf(_tokenId) == _tokenOwner &&
                (IERC721Upgradeable(_assetContract).getApproved(_tokenId) == market ||
                    IERC721Upgradeable(_assetContract).isApprovedForAll(_tokenOwner, market));
        }

        require(isValid, "!BALNFT");
    }

    /// @dev Validates conditions of a direct listing sale.
    function validateDirectListingSale(
        Listing memory _listing,
        address _payer,
        uint256 _quantityToBuy,
        address _currency,
        uint256 settledTotalPrice
    ) internal {
        require(_listing.listingType == ListingType.Direct, "cannot buy from listing.");

        // Check whether a valid quantity of listed tokens is being bought.
        require(
            _listing.quantity > 0 && _quantityToBuy > 0 && _quantityToBuy <= _listing.quantity,
            "invalid amount of tokens."
        );

        // Check if sale is made within the listing window.
        require(block.timestamp < _listing.endTime && block.timestamp > _listing.startTime, "not within sale window.");

        // Check: buyer owns and has approved sufficient currency for sale.
        if (_currency == CurrencyTransferLib.NATIVE_TOKEN) {
            require(msg.value == settledTotalPrice, "msg.value != price");
        } else {
            validateERC20BalAndAllowance(_payer, _currency, settledTotalPrice);
        }

        // Check whether token owner owns and has approved `quantityToBuy` amount of listing tokens from the listing.
        validateOwnershipAndApproval(
            _listing.tokenOwner,
            _listing.assetContract,
            _listing.tokenId,
            _quantityToBuy,
            _listing.tokenType
        );
    }

    /*///////////////////////////////////////////////////////////////
                            Getter functions
    //////////////////////////////////////////////////////////////*/

    /// @dev Enforces quantity == 1 if tokenType is TokenType.ERC721.
    function getSafeQuantity(TokenType _tokenType, uint256 _quantityToCheck)
        internal
        pure
        returns (uint256 safeQuantity)
    {
        if (_quantityToCheck == 0) {
            safeQuantity = 0;
        } else {
            safeQuantity = _tokenType == TokenType.ERC721 ? 1 : _quantityToCheck;
        }
    }

    /// @dev Returns the interface supported by a contract.
    function getTokenType(address _assetContract) internal view returns (TokenType tokenType) {
        if (IERC165Upgradeable(_assetContract).supportsInterface(type(IERC1155Upgradeable).interfaceId)) {
            tokenType = TokenType.ERC1155;
        } else if (IERC165Upgradeable(_assetContract).supportsInterface(type(IERC721Upgradeable).interfaceId)) {
            tokenType = TokenType.ERC721;
        } else {
            revert("token must be ERC1155 or ERC721.");
        }
    }

    /// @dev Returns the platform fee recipient and bps.
    function getPlatformFeeInfo() external view returns (address, uint16) {
        return (platformFeeRecipient, uint16(platformFeeBps));
    }

    /*///////////////////////////////////////////////////////////////
                            Setter functions
    //////////////////////////////////////////////////////////////*/

    /// @dev Lets a contract admin update platform fee recipient and bps.
    function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps)
        external
        onlyRole(DEFAULT_ADMIN_ROLE)
    {
        require(_platformFeeBps <= MAX_BPS, "bps <= 10000.");

        platformFeeBps = uint64(_platformFeeBps);
        platformFeeRecipient = _platformFeeRecipient;

        emit PlatformFeeInfoUpdated(_platformFeeRecipient, _platformFeeBps);
    }

    /// @dev Lets a contract admin set auction buffers.
    function setAuctionBuffers(uint256 _timeBuffer, uint256 _bidBufferBps) external onlyRole(DEFAULT_ADMIN_ROLE) {
        require(_bidBufferBps < MAX_BPS, "invalid BPS.");

        timeBuffer = uint64(_timeBuffer);
        bidBufferBps = uint64(_bidBufferBps);

        emit AuctionBuffersUpdated(_timeBuffer, _bidBufferBps);
    }

    /// @dev Lets a contract admin set the URI for the contract-level metadata.
    function setContractURI(string calldata _uri) external onlyRole(DEFAULT_ADMIN_ROLE) {
        contractURI = _uri;
    }

    /*///////////////////////////////////////////////////////////////
                            Miscellaneous
    //////////////////////////////////////////////////////////////*/

    function _msgSender()
        internal
        view
        virtual
        override(ContextUpgradeable, ERC2771ContextUpgradeable)
        returns (address sender)
    {
        return ERC2771ContextUpgradeable._msgSender();
    }

    function _msgData()
        internal
        view
        virtual
        override(ContextUpgradeable, ERC2771ContextUpgradeable)
        returns (bytes calldata)
    {
        return ERC2771ContextUpgradeable._msgData();
    }
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
interface IERC20 {
    function totalSupply() external view returns (uint256);

    function balanceOf(address who) external view returns (uint256);

    function allowance(address owner, address spender) external view returns (uint256);

    function transfer(address to, uint256 value) external returns (bool);

    function approve(address spender, uint256 value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/**
 *  Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading
 *  the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic
 *  that uses information about platform fees, if desired.
 */

interface IPlatformFee {
    /// @dev Returns the platform fee bps and recipient.
    function getPlatformFeeInfo() external view returns (address, uint16);

    /// @dev Lets a module admin update the fees on primary sales.
    function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external;

    /// @dev Emitted when fee on primary sales is updated.
    event PlatformFeeInfoUpdated(address indexed platformFeeRecipient, uint256 platformFeeBps);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;

interface IThirdwebContract {
    /// @dev Returns the module type of the contract.
    function contractType() external pure returns (bytes32);

    /// @dev Returns the version of the contract.
    function contractVersion() external pure returns (uint8);

    /// @dev Returns the metadata URI of the contract.
    function contractURI() external view returns (string memory);

    /**
     *  @dev Sets contract URI for the storefront-level metadata of the contract.
     *       Only module admin can call this function.
     */
    function setContractURI(string calldata _uri) external;
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

interface IWETH {
    function deposit() external payable;

    function withdraw(uint256 amount) external;

    function transfer(address to, uint256 value) external returns (bool);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;

import "../IThirdwebContract.sol";
import "../../extension/interface/IPlatformFee.sol";

interface IMarketplace is IThirdwebContract, IPlatformFee {
    /// @notice Type of the tokens that can be listed for sale.
    enum TokenType {
        ERC1155,
        ERC721
    }

    /**
     *  @notice The two types of listings.
     *          `Direct`: NFTs listed for sale at a fixed price.
     *          `Auction`: NFTs listed for sale in an auction.
     */
    enum ListingType {
        Direct,
        Auction
    }

    /**
     *  @notice The information related to either (1) an offer on a direct listing, or (2) a bid in an auction.
     *
     *  @dev The type of the listing at ID `lisingId` determins how the `Offer` is interpreted.
     *      If the listing is of type `Direct`, the `Offer` is interpreted as an offer to a direct listing.
     *      If the listing is of type `Auction`, the `Offer` is interpreted as a bid in an auction.
     *
     *  @param listingId      The uid of the listing the offer is made to.
     *  @param offeror        The account making the offer.
     *  @param quantityWanted The quantity of tokens from the listing wanted by the offeror.
     *                        This is the entire listing quantity if the listing is an auction.
     *  @param currency       The currency in which the offer is made.
     *  @param pricePerToken  The price per token offered to the lister.
     *  @param expirationTimestamp The timestamp after which a seller cannot accept this offer.
     */
    struct Offer {
        uint256 listingId;
        address offeror;
        uint256 quantityWanted;
        address currency;
        uint256 pricePerToken;
        uint256 expirationTimestamp;
    }

    /**
     *  @dev For use in `createListing` as a parameter type.
     *
     *  @param assetContract         The contract address of the NFT to list for sale.

     *  @param tokenId               The tokenId on `assetContract` of the NFT to list for sale.

     *  @param startTime             The unix timestamp after which the listing is active. For direct listings:
     *                               'active' means NFTs can be bought from the listing. For auctions,
     *                               'active' means bids can be made in the auction.
     *
     *  @param secondsUntilEndTime   No. of seconds after `startTime`, after which the listing is inactive.
     *                               For direct listings: 'inactive' means NFTs cannot be bought from the listing.
     *                               For auctions: 'inactive' means bids can no longer be made in the auction.
     *
     *  @param quantityToList        The quantity of NFT of ID `tokenId` on the given `assetContract` to list. For
     *                               ERC 721 tokens to list for sale, the contract strictly defaults this to `1`,
     *                               Regardless of the value of `quantityToList` passed.
     *
     *  @param currencyToAccept      For direct listings: the currency in which a buyer must pay the listing's fixed price
     *                               to buy the NFT(s). For auctions: the currency in which the bidders must make bids.
     *
     *  @param reservePricePerToken  For direct listings: this value is ignored. For auctions: the minimum bid amount of
     *                               the auction is `reservePricePerToken * quantityToList`
     *
     *  @param buyoutPricePerToken   For direct listings: interpreted as 'price per token' listed. For auctions: if
     *                               `buyoutPricePerToken` is greater than 0, and a bidder's bid is at least as great as
     *                               `buyoutPricePerToken * quantityToList`, the bidder wins the auction, and the auction
     *                               is closed.
     *
     *  @param listingType           The type of listing to create - a direct listing or an auction.
    **/
    struct ListingParameters {
        address assetContract;
        uint256 tokenId;
        uint256 startTime;
        uint256 secondsUntilEndTime;
        uint256 quantityToList;
        address currencyToAccept;
        uint256 reservePricePerToken;
        uint256 buyoutPricePerToken;
        ListingType listingType;
    }

    /**
     *  @notice The information related to a listing; either (1) a direct listing, or (2) an auction listing.
     *
     *  @dev For direct listings:
     *          (1) `reservePricePerToken` is ignored.
     *          (2) `buyoutPricePerToken` is simply interpreted as 'price per token'.
     *
     *  @param listingId             The uid for the listing.
     *
     *  @param tokenOwner            The owner of the tokens listed for sale.  
     *
     *  @param assetContract         The contract address of the NFT to list for sale.

     *  @param tokenId               The tokenId on `assetContract` of the NFT to list for sale.

     *  @param startTime             The unix timestamp after which the listing is active. For direct listings:
     *                               'active' means NFTs can be bought from the listing. For auctions,
     *                               'active' means bids can be made in the auction.
     *
     *  @param endTime               The timestamp after which the listing is inactive.
     *                               For direct listings: 'inactive' means NFTs cannot be bought from the listing.
     *                               For auctions: 'inactive' means bids can no longer be made in the auction.
     *
     *  @param quantity              The quantity of NFT of ID `tokenId` on the given `assetContract` listed. For
     *                               ERC 721 tokens to list for sale, the contract strictly defaults this to `1`,
     *                               Regardless of the value of `quantityToList` passed.
     *
     *  @param currency              For direct listings: the currency in which a buyer must pay the listing's fixed price
     *                               to buy the NFT(s). For auctions: the currency in which the bidders must make bids.
     *
     *  @param reservePricePerToken  For direct listings: this value is ignored. For auctions: the minimum bid amount of
     *                               the auction is `reservePricePerToken * quantityToList`
     *
     *  @param buyoutPricePerToken   For direct listings: interpreted as 'price per token' listed. For auctions: if
     *                               `buyoutPricePerToken` is greater than 0, and a bidder's bid is at least as great as
     *                               `buyoutPricePerToken * quantityToList`, the bidder wins the auction, and the auction
     *                               is closed.
     *
     *  @param tokenType             The type of the token(s) listed for for sale -- ERC721 or ERC1155 
     *
     * @param listingType            The type of listing to create - a direct listing or an auction.
    **/
    struct Listing {
        uint256 listingId;
        address tokenOwner;
        address assetContract;
        uint256 tokenId;
        uint256 startTime;
        uint256 endTime;
        uint256 quantity;
        address currency;
        uint256 reservePricePerToken;
        uint256 buyoutPricePerToken;
        TokenType tokenType;
        ListingType listingType;
    }

    /// @dev Emitted when a new listing is created.
    event ListingAdded(
        uint256 indexed listingId,
        address indexed assetContract,
        address indexed lister,
        Listing listing
    );

    /// @dev Emitted when the parameters of a listing are updated.
    event ListingUpdated(uint256 indexed listingId, address indexed listingCreator);

    /// @dev Emitted when a listing is cancelled.
    event ListingRemoved(uint256 indexed listingId, address indexed listingCreator);

    /**
     * @dev Emitted when a buyer buys from a direct listing, or a lister accepts some
     *      buyer's offer to their direct listing.
     */
    event NewSale(
        uint256 indexed listingId,
        address indexed assetContract,
        address indexed lister,
        address buyer,
        uint256 quantityBought,
        uint256 totalPricePaid
    );

    /// @dev Emitted when (1) a new offer is made to a direct listing, or (2) when a new bid is made in an auction.
    event NewOffer(
        uint256 indexed listingId,
        address indexed offeror,
        ListingType indexed listingType,
        uint256 quantityWanted,
        uint256 totalOfferAmount,
        address currency
    );

    /// @dev Emitted when an auction is closed.
    event AuctionClosed(
        uint256 indexed listingId,
        address indexed closer,
        bool indexed cancelled,
        address auctionCreator,
        address winningBidder
    );

    /// @dev Emitted when auction buffers are updated.
    event AuctionBuffersUpdated(uint256 timeBuffer, uint256 bidBufferBps);

    /**
     *  @notice Lets a token owner list tokens (ERC 721 or ERC 1155) for sale in a direct listing, or an auction.
     *
     *  @dev NFTs to list for sale in an auction are escrowed in Marketplace. For direct listings, the contract
     *       only checks whether the listing's creator owns and has approved Marketplace to transfer the NFTs to list.
     *
     *  @param _params The parameters that govern the listing to be created.
     */
    function createListing(ListingParameters memory _params) external;

    /**
     *  @notice Lets a listing's creator edit the listing's parameters. A direct listing can be edited whenever.
     *          An auction listing cannot be edited after the auction has started.
     *
     *  @param _listingId            The uid of the lisitng to edit.
     *
     *  @param _quantityToList       The amount of NFTs to list for sale in the listing. For direct lisitngs, the contract
     *                               only checks whether the listing creator owns and has approved Marketplace to transfer
     *                               `_quantityToList` amount of NFTs to list for sale. For auction listings, the contract
     *                               ensures that exactly `_quantityToList` amount of NFTs to list are escrowed.
     *
     *  @param _reservePricePerToken For direct listings: this value is ignored. For auctions: the minimum bid amount of
     *                               the auction is `reservePricePerToken * quantityToList`
     *
     *  @param _buyoutPricePerToken  For direct listings: interpreted as 'price per token' listed. For auctions: if
     *                               `buyoutPricePerToken` is greater than 0, and a bidder's bid is at least as great as
     *                               `buyoutPricePerToken * quantityToList`, the bidder wins the auction, and the auction
     *                               is closed.
     *
     *  @param _currencyToAccept     For direct listings: the currency in which a buyer must pay the listing's fixed price
     *                               to buy the NFT(s). For auctions: the currency in which the bidders must make bids.
     *
     *  @param _startTime            The unix timestamp after which listing is active. For direct listings:
     *                               'active' means NFTs can be bought from the listing. For auctions,
     *                               'active' means bids can be made in the auction.
     *
     *  @param _secondsUntilEndTime  No. of seconds after the provided `_startTime`, after which the listing is inactive.
     *                               For direct listings: 'inactive' means NFTs cannot be bought from the listing.
     *                               For auctions: 'inactive' means bids can no longer be made in the auction.
     */
    function updateListing(
        uint256 _listingId,
        uint256 _quantityToList,
        uint256 _reservePricePerToken,
        uint256 _buyoutPricePerToken,
        address _currencyToAccept,
        uint256 _startTime,
        uint256 _secondsUntilEndTime
    ) external;

    /**
     *  @notice Lets a direct listing creator cancel their listing.
     *
     *  @param _listingId The unique Id of the lisitng to cancel.
     */
    function cancelDirectListing(uint256 _listingId) external;

    /**
     *  @notice Lets someone buy a given quantity of tokens from a direct listing by paying the fixed price.
     *
     *  @param _listingId The uid of the direct lisitng to buy from.
     *  @param _buyFor The receiver of the NFT being bought.
     *  @param _quantity The amount of NFTs to buy from the direct listing.
     *  @param _currency The currency to pay the price in.
     *  @param _totalPrice The total price to pay for the tokens being bought.
     *
     *  @dev A sale will fail to execute if either:
     *          (1) buyer does not own or has not approved Marketplace to transfer the appropriate
     *              amount of currency (or hasn't sent the appropriate amount of native tokens)
     *
     *          (2) the lister does not own or has removed Markeplace's
     *              approval to transfer the tokens listed for sale.
     */
    function buy(
        uint256 _listingId,
        address _buyFor,
        uint256 _quantity,
        address _currency,
        uint256 _totalPrice
    ) external payable;

    /**
     *  @notice Lets someone make an offer to a direct listing, or bid in an auction.
     *
     *  @dev Each (address, listing ID) pair maps to a single unique offer. So e.g. if a buyer makes
     *       makes two offers to the same direct listing, the last offer is counted as the buyer's
     *       offer to that listing.
     *
     *  @param _listingId        The unique ID of the lisitng to make an offer/bid to.
     *
     *  @param _quantityWanted   For auction listings: the 'quantity wanted' is the total amount of NFTs
     *                           being auctioned, regardless of the value of `_quantityWanted` passed.
     *                           For direct listings: `_quantityWanted` is the quantity of NFTs from the
     *                           listing, for which the offer is being made.
     *
     *  @param _currency         For auction listings: the 'currency of the bid' is the currency accepted
     *                           by the auction, regardless of the value of `_currency` passed. For direct
     *                           listings: this is the currency in which the offer is made.
     *
     *  @param _pricePerToken    For direct listings: offered price per token. For auction listings: the bid
     *                           amount per token. The total offer/bid amount is `_quantityWanted * _pricePerToken`.
     *
     *  @param _expirationTimestamp For aution listings: inapplicable. For direct listings: The timestamp after which
     *                              the seller can no longer accept the offer.
     */
    function offer(
        uint256 _listingId,
        uint256 _quantityWanted,
        address _currency,
        uint256 _pricePerToken,
        uint256 _expirationTimestamp
    ) external payable;

    /**
     * @notice Lets a listing's creator accept an offer to their direct listing.
     * @param _listingId The unique ID of the listing for which to accept the offer.
     * @param _offeror The address of the buyer whose offer is to be accepted.
     * @param _currency The currency of the offer that is to be accepted.
     * @param _totalPrice The total price of the offer that is to be accepted.
     */
    function acceptOffer(
        uint256 _listingId,
        address _offeror,
        address _currency,
        uint256 _totalPrice
    ) external;

    /**
     *  @notice Lets any account close an auction on behalf of either the (1) auction's creator, or (2) winning bidder.
     *              For (1): The auction creator is sent the the winning bid amount.
     *              For (2): The winning bidder is sent the auctioned NFTs.
     *
     *  @param _listingId The uid of the listing (the auction to close).
     *  @param _closeFor For whom the auction is being closed - the auction creator or winning bidder.
     */
    function closeAuction(uint256 _listingId, address _closeFor) external;
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

// Helper interfaces
import { IWETH } from "../interfaces/IWETH.sol";

import "../openzeppelin-presets/token/ERC20/utils/SafeERC20.sol";

library CurrencyTransferLib {
    using SafeERC20 for IERC20;

    /// @dev The address interpreted as native token of the chain.
    address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    /// @dev Transfers a given amount of currency.
    function transferCurrency(
        address _currency,
        address _from,
        address _to,
        uint256 _amount
    ) internal {
        if (_amount == 0) {
            return;
        }

        if (_currency == NATIVE_TOKEN) {
            safeTransferNativeToken(_to, _amount);
        } else {
            safeTransferERC20(_currency, _from, _to, _amount);
        }
    }

    /// @dev Transfers a given amount of currency. (With native token wrapping)
    function transferCurrencyWithWrapper(
        address _currency,
        address _from,
        address _to,
        uint256 _amount,
        address _nativeTokenWrapper
    ) internal {
        if (_amount == 0) {
            return;
        }

        if (_currency == NATIVE_TOKEN) {
            if (_from == address(this)) {
                // withdraw from weth then transfer withdrawn native token to recipient
                IWETH(_nativeTokenWrapper).withdraw(_amount);
                safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);
            } else if (_to == address(this)) {
                // store native currency in weth
                require(_amount == msg.value, "msg.value != amount");
                IWETH(_nativeTokenWrapper).deposit{ value: _amount }();
            } else {
                safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);
            }
        } else {
            safeTransferERC20(_currency, _from, _to, _amount);
        }
    }

    /// @dev Transfer `amount` of ERC20 token from `from` to `to`.
    function safeTransferERC20(
        address _currency,
        address _from,
        address _to,
        uint256 _amount
    ) internal {
        if (_from == _to) {
            return;
        }

        if (_from == address(this)) {
            IERC20(_currency).safeTransfer(_to, _amount);
        } else {
            IERC20(_currency).safeTransferFrom(_from, _to, _amount);
        }
    }

    /// @dev Transfers `amount` of native token to `to`.
    function safeTransferNativeToken(address to, uint256 value) internal {
        // solhint-disable avoid-low-level-calls
        // slither-disable-next-line low-level-calls
        (bool success, ) = to.call{ value: value }("");
        require(success, "native token transfer failed");
    }

    /// @dev Transfers `amount` of native token to `to`. (With native token wrapping)
    function safeTransferNativeTokenWithWrapper(
        address to,
        uint256 value,
        address _nativeTokenWrapper
    ) internal {
        // solhint-disable avoid-low-level-calls
        // slither-disable-next-line low-level-calls
        (bool success, ) = to.call{ value: value }("");
        if (!success) {
            IWETH(_nativeTokenWrapper).deposit{ value: value }();
            IERC20(_nativeTokenWrapper).safeTransfer(to, value);
        }
    }
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;

library FeeType {
    uint256 internal constant PRIMARY_SALE = 0;
    uint256 internal constant MARKET_SALE = 1;
    uint256 internal constant SPLIT = 2;
}

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

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library TWAddress {
    /**
     * @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.
     *
     * [EIP1884](https://eips.ethereum.org/EIPS/eip-1884) 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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (metatx/ERC2771Context.sol)

pragma solidity ^0.8.11;

import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";

/**
 * @dev Context variant with ERC2771 support.
 */
abstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable {
    mapping(address => bool) private _trustedForwarder;

    function __ERC2771Context_init(address[] memory trustedForwarder) internal onlyInitializing {
        __Context_init_unchained();
        __ERC2771Context_init_unchained(trustedForwarder);
    }

    function __ERC2771Context_init_unchained(address[] memory trustedForwarder) internal onlyInitializing {
        for (uint256 i = 0; i < trustedForwarder.length; i++) {
            _trustedForwarder[trustedForwarder[i]] = true;
        }
    }

    function isTrustedForwarder(address forwarder) public view virtual returns (bool) {
        return _trustedForwarder[forwarder];
    }

    function _msgSender() internal view virtual override returns (address sender) {
        if (isTrustedForwarder(msg.sender)) {
            // The assembly code is more direct than the Solidity version using `abi.decode`.
            assembly {
                sender := shr(96, calldataload(sub(calldatasize(), 20)))
            }
        } else {
            return super._msgSender();
        }
    }

    function _msgData() internal view virtual override returns (bytes calldata) {
        if (isTrustedForwarder(msg.sender)) {
            return msg.data[:msg.data.length - 20];
        } else {
            return super._msgData();
        }
    }

    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../../../../eip/interface/IERC20.sol";
import "../../../../lib/TWAddress.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using TWAddress for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

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

pragma solidity ^0.8.0;

import "./IAccessControlEnumerableUpgradeable.sol";
import "./AccessControlUpgradeable.sol";
import "../utils/structs/EnumerableSetUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerableUpgradeable is Initializable, IAccessControlEnumerableUpgradeable, AccessControlUpgradeable {
    function __AccessControlEnumerable_init() internal onlyInitializing {
    }

    function __AccessControlEnumerable_init_unchained() internal onlyInitializing {
    }
    using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet;

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

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

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

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import "../proxy/utils/Initializable.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 AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
    function __AccessControl_init() internal onlyInitializing {
    }

    function __AccessControl_init_unchained() internal onlyInitializing {
    }
    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, _msgSender());
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlUpgradeable).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 `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 ",
                        StringsUpgradeable.toHexString(uint160(account), 20),
                        " is missing role ",
                        StringsUpgradeable.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.
     */
    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.
     */
    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`.
     */
    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.
     *
     * [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.
     */
    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.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

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

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerableUpgradeable is IAccessControlUpgradeable {
    /**
     * @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 v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControlUpgradeable {
    /**
     * @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 (interfaces/IERC165.sol)

pragma solidity ^0.8.0;

import "../utils/introspection/IERC165Upgradeable.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

import "./IERC165Upgradeable.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 IERC2981Upgradeable is IERC165Upgradeable {
    /**
     * @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 payed 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 (last updated v4.5.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.0;

import "../../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
 * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() initializer {}
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializer() {
        // If the contract is initializing we ignore whether _initialized is set in order to support multiple
        // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
        // contract may have been reentered.
        require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized");

        bool isTopLevelCall = !_initializing;
        if (isTopLevelCall) {
            _initializing = true;
            _initialized = true;
        }

        _;

        if (isTopLevelCall) {
            _initializing = false;
        }
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} modifier, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    function _isConstructor() private view returns (bool) {
        return !AddressUpgradeable.isContract(address(this));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @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 ReentrancyGuardUpgradeable is Initializable {
    // 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;

    function __ReentrancyGuard_init() internal onlyInitializing {
        __ReentrancyGuard_init_unchained();
    }

    function __ReentrancyGuard_init_unchained() internal onlyInitializing {
        _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() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

        _;

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev _Available since v3.1._
 */
interface IERC1155ReceiverUpgradeable is IERC165Upgradeable {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
     * @dev Handles the receipt of a multiple ERC1155 token types. This function
     * is called at the end of a `safeBatchTransferFrom` after the balances have
     * been updated.
     *
     * NOTE: To accept the transfer(s), this must return
     * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
     * (i.e. 0xbc197c81, or its own function selector).
     *
     * @param operator The address which initiated the batch transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param ids An array containing ids of each token being transferred (order and length must match values array)
     * @param values An array containing amounts of each token being transferred (order and length must match ids array)
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
     */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155Upgradeable is IERC165Upgradeable {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20Upgradeable {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721ReceiverUpgradeable {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721Upgradeable is IERC165Upgradeable {
    /**
     * @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
    ) external;

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

    /**
     * @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;

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

    /**
     * @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 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);

    /**
     * @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 calldata data
    ) external;
}

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

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

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

pragma solidity ^0.8.0;

import "./AddressUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Provides a function to batch together multiple calls in a single external call.
 *
 * _Available since v4.1._
 */
abstract contract MulticallUpgradeable is Initializable {
    function __Multicall_init() internal onlyInitializing {
    }

    function __Multicall_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev Receives and executes a batch of function calls on this contract.
     */
    function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) {
        results = new bytes[](data.length);
        for (uint256 i = 0; i < data.length; i++) {
            results[i] = _functionDelegateCall(address(this), data[i]);
        }
        return results;
    }

    /**
     * @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) private returns (bytes memory) {
        require(AddressUpgradeable.isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return AddressUpgradeable.verifyCallResult(success, returndata, "Address: low-level delegate call failed");
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

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

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library StringsUpgradeable {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @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] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

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

pragma solidity ^0.8.0;

import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.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 ERC165Upgradeable is Initializable, IERC165Upgradeable {
    function __ERC165_init() internal onlyInitializing {
    }

    function __ERC165_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165Upgradeable).interfaceId;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// 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 IERC165Upgradeable {
    /**
     * @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 v4.4.1 (utils/structs/EnumerableSet.sol)

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.
 */
library EnumerableSetUpgradeable {
    // 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) {
        return _values(set._inner);
    }

    // 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;

        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 on 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;

        assembly {
            result := store
        }

        return result;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 490
  },
  "evmVersion": "london",
  "remappings": [
    ":@chainlink/contracts/src/=node_modules/@chainlink/contracts/src/",
    ":@ds-test/=lib/ds-test/src/",
    ":@openzeppelin/=node_modules/@openzeppelin/",
    ":@std/=lib/forge-std/src/",
    ":contracts/=contracts/",
    ":ds-test/=lib/ds-test/src/",
    ":erc721a-upgradeable/=node_modules/erc721a-upgradeable/",
    ":erc721a/=node_modules/erc721a/",
    ":forge-std/=lib/forge-std/src/"
  ],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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