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// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.0;
pragma experimental ABIEncoderV2;

import {IERC721, IERC165} from "../../openzeppelin/token/ERC721/IERC721.sol";
import {IERC1155} from "../../openzeppelin/token/ERC1155/IERC1155.sol";
import {ReentrancyGuard} from "../../openzeppelin/security/ReentrancyGuard.sol";
import {IERC20} from "../../openzeppelin/token/ERC20/IERC20.sol";
import {SafeERC20} from "../../openzeppelin/token/ERC20/utils/SafeERC20.sol";
import {AdminControl} from "../../manifold/libraries-solidity/access/AdminControl.sol";
import {IERC721CreatorCore} from "../../manifold/creator-core/core/IERC721CreatorCore.sol";
import {IERC1155CreatorCore} from "../../manifold/creator-core/core/IERC1155CreatorCore.sol";
import {ECDSA} from "../../openzeppelin/utils/cryptography/ECDSA.sol";

interface IPriceFeed {
    function getLatestPrice(
        uint256 amount,
        address fiat
    ) external view returns (uint256);
}

interface IRoyaltyEngine {
    function getRoyalty(
        address collectionAddress,
        uint256 tokenId
    ) external view returns (address payable[] memory, uint256[] memory);
}

interface ITokenGating {
    function acquireGating(
        address collectionAddress,
        uint256 tokenId,
        address walletAddress
    ) external returns (bool);
}

/**
 * @title An onchain payment for buy now flow where owners can list the tokens for sale 
 and the buyers can buy the token using the buy function
 */
contract OnchainBuy is ReentrancyGuard, AdminControl {
    using SafeERC20 for IERC20;
    using ECDSA for bytes32;

    /// @notice The metadata for a given Order
    /// @param nftStartTokenId the Nft token Id listed From
    /// @param nftEndTokenId the NFT token Id listed To
    /// @param maxCap the total supply for minting
    /// @param nftContractAddress the nft contract address
    /// @param minimumFiatPrice the minimum price of the listed tokens
    /// @param minimumCryptoPrice the cryptoprice of provided crypto
    /// @param paymentCurrency the payment currency for seller requirement
    /// @param paymentSettlement the settlement address and payment percentage provided in basis points
    /// @param TransactionStatus the status to be minted or transfered
    /// @param PaymentStatus the status to get the price from fiat conversion or crypto price provided
    /// @param tokenGatingContract the address of the gating contract
    struct PriceList {
        uint64 nftStartTokenId;
        uint64 nftEndTokenId;
        uint64 maxCap;
        address nftContractAddress;
        uint256 minimumFiatPrice; // in USD
        uint256[] minimumCryptoPrice; // in Crypto
        address[] paymentCurrency; // in ETH/ERC20
        settlementList paymentSettlement;
        TransactionStatus transactionStatus;
        PaymentStatus paymentStatus;
        address tokenGatingContract;
    }
    /// @notice The metadata for a given Order
    /// @param paymentSettlementAddress the settlement address for the listed tokens
    /// @param taxSettlementAddress the taxsettlement address for settlement of tax fee
    /// @param commissionAddress the commission address for settlement of commission fee
    /// @param platformSettlementAddress the platform address for settlement of platform fee
    /// @param commissionFeePercentage the commission fee given in basis points
    /// @param platformFeePercentage the platform fee given in basis points
    struct settlementList {
        address payable paymentSettlementAddress;
        address payable taxSettlementAddress;
        address payable commissionAddress;
        address payable platformSettlementAddress;
        uint16 commissionFeePercentage; // in basis points
        uint16 platformFeePercentage; // in basis points
    }

    /// @notice The details to be provided to buy the token
    /// @param saleId the Id of the created sale
    /// @param tokenOwner the owner of the nft token
    /// @param tokenId the token Id of the owner owns
    /// @param tokenQuantity the token Quantity only required if minting
    /// @param quantity the quantity of tokens for 1155 only
    /// @param buyer the person who buys the nft
    /// @param paymentToken the type of payment currency that the buyers pay out
    /// @param paymentAmount the amount to be paid in the payment currency
    /// @param gatedCollection the gated nft collection need to be verified
    /// @param gatedTokenId the tokenId which was gated
    struct BuyList {
        string saleId;
        address tokenOwner;
        uint256 tokenId;
        uint64 tokenQuantity;
        uint64 quantity;
        address buyer;
        address paymentToken;
        uint256 paymentAmount;
        address gatedColletion;
        uint256 gatedTokenId;
    }

    struct Discount {
        uint16 discountPercentage;
        uint32 expirationTime;
        string nonce;
        bytes signature;
        address signer;
    }

    // TransactionStatus shows the preference for mint or transfer
    enum TransactionStatus {
        mint,
        transfer
    }
    // PaymentStatus shows the preference for fiat conversion or direct crypto
    enum PaymentStatus {
        fiat,
        crypto
    }

    // Fee percentage to the Platform
    uint16 private platformFeePercentage;

    // maxQuantity for 1155 NFT-tokens
    uint64 private max1155Quantity;

    // admin approval requirement
    bool adminApprovalRequired;

    // Platform Address
    address payable private platformAddress;

    // The address of the Price Feed Aggregator to use via this contract
    IPriceFeed private priceFeedAddress;

    // The address of the royaltySupport to use via this contract
    IRoyaltyEngine private royaltySupport;

    // listing the sale details in sale Id
    mapping(string => PriceList) public listings;

    // tokens used to be compared with maxCap
    mapping(string => uint256) public tokensUsed;

    // validating saleId
    mapping(string => bool) usedSaleId;

    // Discount validation
    mapping(bytes => bool) public discountUsed;

    // Interface ID constants
    bytes4 private constant ERC721_INTERFACE_ID = 0x80ac58cd;
    bytes4 private constant ERC1155_INTERFACE_ID = 0xd9b67a26;

    /// @notice Emitted when sale is created
    /// @param saleList contains the details of sale created
    /// @param CreatedOrUpdated the details provide whether sale is created or updated
    event saleCreated(PriceList saleList, string CreatedOrUpdated);

    /// @notice Emitted when sale is closed
    /// @param saleId contains the details of cancelled sale
    event saleClosed(string saleId);

    /// @notice Emitted when an Buy Event is completed
    /// @param tokenContract The NFT Contract address
    /// @param buyingDetails consist of buyer details
    /// @param MintedtokenId consist of minted tokenId details
    /// @param tax paid to the taxsettlement Address
    /// @param paymentAmount total amount paid by buyer
    /// @param totalAmount the amount paid by the buyer
    event BuyExecuted(
        address indexed tokenContract,
        BuyList buyingDetails,
        uint256[] MintedtokenId,
        uint256 tax,
        uint256 paymentAmount,
        uint256 totalAmount
    );

    /// @notice Emitted when an Royalty Payout is executed
    /// @param tokenId The NFT tokenId
    /// @param tokenContract The NFT Contract address
    /// @param recipient Address of the Royalty Recipient
    /// @param amount Amount sent to the royalty recipient address
    event RoyaltyPayout(
        address tokenContract,
        uint256 tokenId,
        address recipient,
        uint256 amount
    );

    /// @param _platformAddress The Platform Address
    /// @param _platformFeePercentage The Platform fee percentage
    /// @param _max1155Quantity The max quantity we support for 1155 Nfts
    /// @param _priceFeedAddress the address of the pricefeed
    /// @param _royaltycontract the address to get the royalty data
    /// @param _adminApprovalRequired the bool data to specify the admin approval requirement
    constructor(
        address _platformAddress,
        uint16 _platformFeePercentage,
        uint64 _max1155Quantity,
        IPriceFeed _priceFeedAddress,
        IRoyaltyEngine _royaltycontract,
        bool _adminApprovalRequired
    ) {
        require(_platformAddress != address(0), "Invalid Platform Address");
        require(
            _platformFeePercentage < 10000,
            "platformFee should be less than 10000"
        );
        platformAddress = payable(_platformAddress);
        platformFeePercentage = _platformFeePercentage;
        max1155Quantity = _max1155Quantity;
        priceFeedAddress = _priceFeedAddress;
        royaltySupport = _royaltycontract;
        adminApprovalRequired = _adminApprovalRequired;
    }

    /**
     * @notice creating a batch sales using batch details .
     * @param list gives the listing details to create a sale
     * @param saleId consist of the id of the listed sale
     */
    function createOrUpdateSale(
        PriceList calldata list,
        string calldata saleId
    ) external adminRequired {
        uint16 totalFeeBasisPoints;
        // checks for platform and commission fee to be less than 100 %
        if (list.paymentSettlement.platformFeePercentage != 0) {
            totalFeeBasisPoints += (list
                .paymentSettlement
                .platformFeePercentage +
                list.paymentSettlement.commissionFeePercentage);
        } else {
            totalFeeBasisPoints += (platformFeePercentage +
                list.paymentSettlement.commissionFeePercentage);
        }
        require(
            totalFeeBasisPoints < 10000,
            "The total fee basis point should be less than 10000"
        );
        // checks for valuable token start and end id for listing
        if (list.nftStartTokenId > 0 && list.nftEndTokenId > 0) {
            require(
                list.nftEndTokenId >= list.nftStartTokenId,
                "This is not a valid NFT start or end token ID. Please verify that the range provided is correct"
            );
        }
        // array for paymentCurrency and minimumPrice to be of same length
        require(
            list.paymentCurrency.length == list.minimumCryptoPrice.length,
            "should provide equal length in price and payment address"
        );

        // checks to provide maxcap while listing only for minting
        if (list.transactionStatus == TransactionStatus.mint) {
            require(list.maxCap != 0, "should provide maxCap for minting");

            require(
                list.nftStartTokenId == 0 && list.nftEndTokenId == 0,
                "The NFTstarttokenid and NFTendtokenid should be 0 for minting"
            );
        } else {
            require(
                list.maxCap == 0,
                "maxCap should be 0 for preminted tokens"
            );
        }
        // checks to provide only supported interface for nftContractAddress
        require(
            IERC165(list.nftContractAddress).supportsInterface(
                ERC721_INTERFACE_ID
            ) ||
                IERC165(list.nftContractAddress).supportsInterface(
                    ERC1155_INTERFACE_ID
                ),
            "should provide only supported contract interfaces ERC 721/1155"
        );
        // checks for paymentSettlementAddress should not be zero
        require(
            list.paymentSettlement.paymentSettlementAddress != address(0),
            "should provide valid wallet address for settlement"
        );
        // checks for taxSettlelentAddress should not be zero
        require(
            list.paymentSettlement.taxSettlementAddress != address(0),
            "should provide valid wallet address for tax settlement"
        );
        if (!usedSaleId[saleId]) {
            listings[saleId] = list;

            usedSaleId[saleId] = true;

            emit saleCreated(list, "saleCreated");
        } else if (usedSaleId[saleId]) {
            listings[saleId] = list;
            emit saleCreated(list, "saleUpdated");
        }
    }

    /**
     * @notice End an sale, finalizing and paying out the respective parties.
     * @param list gives the listing details to buy the nfts
     * @param tax the amount of tax to be paid by the buyer
     */
    function buy(
        BuyList memory list,
        uint256 tax,
        Discount calldata discount
    ) external payable nonReentrant returns (uint256[] memory nftTokenId) {
        settlementList memory settlement = listings[list.saleId]
            .paymentSettlement;
        PriceList memory saleList = listings[list.saleId];
        // checks for saleId is created for sale
        require(usedSaleId[list.saleId], "unsupported sale");

        // should be called by the contract admins or by the buyer
        require(
            isAdmin(msg.sender) || list.buyer == msg.sender,
            "Only the buyer or admin or owner of this contract can call this function"
        );
        
        if (saleList.tokenGatingContract != address(0)) {
            require(
                ITokenGating(saleList.tokenGatingContract).acquireGating(
                    list.gatedColletion,
                    list.gatedTokenId,
                    list.buyer
                ),
                "please provede the required gated collection and token details to buy the nft"
            );
        }
        uint16 discountinBps;

        if (discount.discountPercentage > 0 || adminApprovalRequired ) {
            if(discount.discountPercentage > 0) {
            require(
                discount.discountPercentage < 10000,
                "The total fee basis point should be less than 10000"
            ); 
            }

            require(
                isAdmin(discount.signer),
                "only owner or admin can sign for discount"
            );
            require(
                !discountUsed[discount.signature],
                "signature already applied"
            );
            require(
                _verifySignature(
                    list.buyer,
                    discount.discountPercentage,
                    discount.expirationTime,
                    discount.signer,
                    discount.nonce,
                    discount.signature
                ),
                "invalid discount signature"
            );
            discountUsed[discount.signature] = true;

            discountinBps = discount.discountPercentage;
        }

        // handling the errors before buying the NFT
        (uint256 minimumPrice, address tokenContract) = errorHandling(
            list.saleId,
            list.tokenId,
            list.tokenQuantity,
            list.quantity,
            list.paymentToken,
            (list.paymentAmount + tax),
            list.buyer,
            discountinBps
        );

        // Transferring  the NFT tokens to the buyer
        nftTokenId = _tokenTransaction(
            list.saleId,
            list.tokenOwner,
            tokenContract,
            list.buyer,
            list.tokenId,
            list.tokenQuantity,
            list.quantity,
            saleList.transactionStatus
        );

        // transferring the tax amount given by buyer as tax to taxSettlementAddress
        if (tax > 0) {
            _handlePayment(
                list.buyer,
                settlement.taxSettlementAddress,
                list.paymentToken,
                tax
            );
        }

        paymentTransaction(
            list.saleId,
            list.paymentAmount,
            list.buyer,
            list.paymentToken,
            list.tokenId,
            tokenContract,
            saleList.transactionStatus
        );
        emit BuyExecuted(
            tokenContract,
            list,
            nftTokenId,
            tax,
            minimumPrice,
            list.paymentAmount
        );
        return nftTokenId;
    }

    /**
     * @notice payment settlement happens to all settlement address.
     * @param _saleId consist of the id of the listed sale
     * @param _totalAmount the totalAmount to be paid by the seller
     * @param _paymentToken the selected currency the payment is made
     * @param _transferredTokenId the tokenId of the transferred token
     * @param _tokenContract the nftcontract address of the supported sale
     * @param _status the transaction status for mint or transfer
     */
    function paymentTransaction(
        string memory _saleId,
        uint256 _totalAmount,
        address _paymentFrom,
        address _paymentToken,
        uint256 _transferredTokenId,
        address _tokenContract,
        TransactionStatus _status
    ) private {
        settlementList memory settlement = listings[_saleId].paymentSettlement;

        uint256 totalCommession;

        // transferring the platformFee amount  to the platformSettlementAddress
        if (
            settlement.platformSettlementAddress != address(0) &&
            settlement.platformFeePercentage > 0
        ) {
            _handlePayment(
                _paymentFrom,
                settlement.platformSettlementAddress,
                _paymentToken,
                totalCommession += ((_totalAmount *
                    settlement.platformFeePercentage) / 10000)
            );
        } else if (platformAddress != address(0) && platformFeePercentage > 0) {
            _handlePayment(
                _paymentFrom,
                platformAddress,
                _paymentToken,
                totalCommession += ((_totalAmount * platformFeePercentage) /
                    10000)
            );
        }

        // transferring the commissionfee amount  to the commissionAddress
        if (
            settlement.commissionAddress != address(0) &&
            settlement.commissionFeePercentage > 0
        ) {
            totalCommession += ((_totalAmount *
                settlement.commissionFeePercentage) / 10000);
            _handlePayment(
                _paymentFrom,
                settlement.commissionAddress,
                _paymentToken,
                ((_totalAmount * settlement.commissionFeePercentage) / 10000)
            );
        }

        _totalAmount = _totalAmount - totalCommession;

        // Royalty Fee Payout Settlement
        if (royaltySupport != IRoyaltyEngine(address(0))) {
            _totalAmount = royaltyPayout(
                _paymentFrom,
                _transferredTokenId,
                _tokenContract,
                _totalAmount,
                _paymentToken,
                _status
            );
        }
        // Transfer the balance to the paymentSettlementAddress
        _handlePayment(
            _paymentFrom,
            settlement.paymentSettlementAddress,
            _paymentToken,
            _totalAmount
        );
    }

    /**
     * @notice handling the errors while buying the nfts.
     * @param _saleId the Id of the created sale
     * @param _tokenId the token Id of the owner owns
     * @param _tokenQuantity the token Quantity only required if minting
     * @param _quantity the quantity of tokens for 1155 only
     * @param _paymentToken the type of payment currency that the buyers pays
     * @param _paymentAmount the amount to be paid in the payment currency
     * @param _payee address of the buyer who buys the token
     */
    function errorHandling(
        string memory _saleId,
        uint256 _tokenId,
        uint256 _tokenQuantity,
        uint256 _quantity,
        address _paymentToken,
        uint256 _paymentAmount,
        address _payee,
        uint16 _discountBps
    ) private view returns (uint256 _minimumPrice, address _tokenContract) {
        PriceList memory saleList = listings[_saleId];
        // checks the nft to be buyed is supported in the saleId
        if (saleList.nftStartTokenId == 0 && saleList.nftEndTokenId > 0) {
            require(
                _tokenId <= saleList.nftEndTokenId,
                "This is not a valid tokenId. Please verify that the tokenId provided is correct"
            );
        } else if (
            saleList.nftStartTokenId > 0 && saleList.nftEndTokenId == 0
        ) {
            require(
                _tokenId >= saleList.nftStartTokenId,
                "This is not a valid tokenId. Please verify that the tokenId provided is correct"
            );
        } else if (saleList.nftStartTokenId > 0 && saleList.nftEndTokenId > 0) {
            require(
                _tokenId >= saleList.nftStartTokenId &&
                    _tokenId <= saleList.nftEndTokenId,
                "This is not a valid tokenId. Please verify that the tokenId provided is correct"
            );
        }
        // getting the payment currency and the price using saleId
        _tokenContract = saleList.nftContractAddress;

        // getting the price using saleId
        if (saleList.paymentStatus == PaymentStatus.fiat) {
            _minimumPrice = priceFeedAddress.getLatestPrice(
                saleList.minimumFiatPrice,
                _paymentToken
            );
        } else if (saleList.paymentStatus == PaymentStatus.crypto) {
            for (uint256 i; i < saleList.paymentCurrency.length; i++) {
                if (saleList.paymentCurrency[i] == _paymentToken) {
                    _minimumPrice = saleList.minimumCryptoPrice[i];
                    break;
                }
            }
        }
        // check for the minimumPrice we get should not be zero
        require(
            _minimumPrice != 0,
            "Please provide valid supported ERC20/ETH address"
        );
        if (_discountBps > 0) {
            _minimumPrice =
                _minimumPrice -
                ((_minimumPrice * _discountBps) / 10000);
        }

        if (saleList.transactionStatus == TransactionStatus.mint) {
            // checks for tokenQuantity for 1155 NFTs
            require(
                _quantity <= max1155Quantity,
                "The maximum quantity allowed to purchase at one time should not be more than defined in max1155Quantity"
            );
            if (
                IERC165(_tokenContract).supportsInterface(ERC721_INTERFACE_ID)
            ) {
                _minimumPrice = (_minimumPrice * _tokenQuantity);
            } else if (
                IERC165(_tokenContract).supportsInterface(ERC1155_INTERFACE_ID)
            ) {
                if (
                    IERC1155CreatorCore(_tokenContract).totalSupply(_tokenId) ==
                    0
                ) {
                    /* multiplying the total number of tokens and quantity with amount to get the 
                     total price for 1155 nfts ofr minting*/
                    _minimumPrice = (_minimumPrice *
                        _tokenQuantity *
                        _quantity);
                } else {
                    /* multiplying the total number of tokens with amount to get the 
                     total price for 721 nfts for minting*/
                    _minimumPrice = (_minimumPrice * _quantity);
                }
            }
        } else if (saleList.transactionStatus == TransactionStatus.transfer) {
            _minimumPrice = (_minimumPrice * _quantity);
        }
        if (_paymentToken == address(0)) {
            require(
                msg.value == _paymentAmount && _paymentAmount >= _minimumPrice,
                "Insufficient funds or invalid amount. You need to pass a valid amount to complete this transaction"
            );
        } else {
            // checks the buyer has sufficient amount to buy the nft
            require(
                IERC20(_paymentToken).balanceOf(_payee) >= _paymentAmount &&
                    _paymentAmount >= _minimumPrice,
                "Insufficient funds. You should have sufficient balance to complete this transaction"
            );
            // checks the buyer has provided approval for the contract to transfer the amount
            require(
                IERC20(_paymentToken).allowance(_payee, address(this)) >=
                    _paymentAmount,
                "Insufficient approval from an ERC20 Token. Please provide approval to this contract and try again"
            );
        }
    }

    /**
     * @notice handling royaltyPayout while buying the nfts.
     * @param _buyer the address of the buyer
     * @param _tokenId the token Id of the nft
     * @param _tokenContract the address of the nft contract
     * @param _amount the amount to be paid in the payment currency
     * @param _paymentToken the type of payment currency that the buyers pays
     * @param _status the status of minting or transferring of nfts
     */
    function royaltyPayout(
        address _buyer,
        uint256 _tokenId,
        address _tokenContract,
        uint256 _amount,
        address _paymentToken,
        TransactionStatus _status
    ) private returns (uint256 remainingProfit) {
        if (_status == TransactionStatus.transfer) {
            //  royalty payout for already minted tokens
            remainingProfit = _handleRoyaltyEnginePayout(
                _buyer,
                _tokenContract,
                _tokenId,
                _amount,
                _paymentToken
            );
        } 
    }

    /// @notice The details to be provided to buy the token
    /// @param _saleId the Id of the created sale
    /// @param _tokenOwner the owner of the nft token
    /// @param _tokenContract the address of the nft contract
    /// @param _buyer the address of the buyer
    /// @param _tokenId the token Id to be buyed by the buyer
    /// @param _tokenQuantity the token Quantity only required if minting
    /// @param _quantity the quantity of tokens for 1155 only
    /// @param _status the status of minting or transferring of nfts
    function _tokenTransaction(
        string memory _saleId,
        address _tokenOwner,
        address _tokenContract,
        address _buyer,
        uint256 _tokenId,
        uint256 _tokenQuantity,
        uint256 _quantity,
        TransactionStatus _status
    ) private returns (uint256[] memory nftTokenId) {
        if (IERC165(_tokenContract).supportsInterface(ERC721_INTERFACE_ID)) {
            if (_status == TransactionStatus.transfer) {
                require(
                    IERC721(_tokenContract).ownerOf(_tokenId) == _tokenOwner,
                    "Invalid NFT Owner Address. Please check and try again"
                );
                // Transferring the ERC721
                IERC721(_tokenContract).safeTransferFrom(
                    _tokenOwner,
                    _buyer,
                    _tokenId
                );
            } else if (_status == TransactionStatus.mint) {
                require(
                    tokensUsed[_saleId] + _tokenQuantity <=
                        listings[_saleId].maxCap,
                    "The maximum quantity allowed to purchase ERC721 token has been sold out. Please contact the sale owner for more details"
                );
                // Minting the ERC721 in a batch
                nftTokenId = IERC721CreatorCore(_tokenContract)
                    .mintExtensionBatch(_buyer, uint16(_tokenQuantity));
                tokensUsed[_saleId] = tokensUsed[_saleId] + _tokenQuantity;
            }
        } else if (
            IERC165(_tokenContract).supportsInterface(ERC1155_INTERFACE_ID)
        ) {
            if (_status == TransactionStatus.transfer) {
                uint256 ownerBalance = IERC1155(_tokenContract).balanceOf(
                    _tokenOwner,
                    _tokenId
                );
                require(
                    _quantity <= ownerBalance && _quantity > 0,
                    "Insufficient token balance from the owner"
                );

                // Transferring the ERC1155
                IERC1155(_tokenContract).safeTransferFrom(
                    _tokenOwner,
                    _buyer,
                    _tokenId,
                    _quantity,
                    "0x"
                );
            } else if (_status == TransactionStatus.mint) {
                address[] memory to = new address[](1);
                uint256[] memory amounts = new uint256[](_tokenQuantity);
                string[] memory uris;
                to[0] = _buyer;
                amounts[0] = _quantity;

                if (
                    IERC1155CreatorCore(_tokenContract).totalSupply(_tokenId) ==
                    0
                ) {
                    require(
                        tokensUsed[_saleId] < listings[_saleId].maxCap,
                        "The maximum quantity allowed to purchase ERC1155 token has been sold out. Please contact the sale owner for more details"
                    );
                    for (uint256 i; i < _tokenQuantity; i++) {
                        amounts[i] = _quantity;
                    }
                    // Minting ERC1155  of already existing tokens
                    nftTokenId = IERC1155CreatorCore(_tokenContract)
                        .mintExtensionNew(to, amounts, uris);

                    tokensUsed[_saleId] = tokensUsed[_saleId] + _tokenQuantity;
                } else if (
                    IERC1155CreatorCore(_tokenContract).totalSupply(_tokenId) >
                    0
                ) {
                    uint256[] memory tokenId = new uint256[](1);
                    tokenId[0] = _tokenId;
                    // Minting new ERC1155 tokens
                    IERC1155CreatorCore(_tokenContract).mintExtensionExisting(
                        to,
                        tokenId,
                        amounts
                    );
                }
            }
        }
        return nftTokenId;
    }

    /// @notice Settle the Payment based on the given parameters
    /// @param _from Address from whom the amount to be transferred
    /// @param _to Address to whom need to settle the payment
    /// @param _paymentToken Address of the ERC20 Payment Token
    /// @param _amount Amount to be transferred
    function _handlePayment(
        address _from,
        address payable _to,
        address _paymentToken,
        uint256 _amount
    ) private {
        bool success;
        if (_paymentToken == address(0)) {
            // transferreng the native currency
            (success, ) = _to.call{value: _amount}(new bytes(0));
            require(success, "unable to debit native balance please try again");
        } else {
            // transferring ERC20 currency
            IERC20(_paymentToken).safeTransferFrom(_from, _to, _amount);
        }
    }

    /// @notice Settle the Royalty Payment based on the given parameters
    /// @param _buyer the address of the buyer
    /// @param _tokenContract The NFT Contract address
    /// @param _tokenId The NFT tokenId
    /// @param _amount Amount to be transferred
    /// @param _payoutCurrency Address of the ERC20 Payout
    function _handleRoyaltyEnginePayout(
        address _buyer,
        address _tokenContract,
        uint256 _tokenId,
        uint256 _amount,
        address _payoutCurrency
    ) private returns (uint256) {
        // Store the initial amount
        uint256 amountRemaining = _amount;
        uint256 feeAmount;

        // Verifying whether the token contract supports Royalties of supported interfaces
        (
            address payable[] memory recipients,
            uint256[] memory bps // Royalty amount denominated in basis points
        ) = royaltySupport.getRoyalty(_tokenContract, _tokenId);
        // Store the number of recipients
        uint256 totalRecipients = recipients.length;

        // If there are no royalties, return the initial amount
        if (totalRecipients == 0) return _amount;

        // Payout each royalty
        for (uint256 i = 0; i < totalRecipients; ) {
            // Cache the recipient and amount
            address payable recipient = recipients[i];

            feeAmount = (bps[i] * _amount) / 10000;

            // Ensure that we aren't somehow paying out more than we have
            require(
                amountRemaining >= feeAmount,
                "insolvent: unable to complete royalty"
            );

            _handlePayment(_buyer, recipient, _payoutCurrency, feeAmount);
            emit RoyaltyPayout(_tokenContract, _tokenId, recipient, feeAmount);

            // Cannot underflow as remaining amount is ensured to be greater than or equal to royalty amount
            unchecked {
                amountRemaining -= feeAmount;
                ++i;
            }
        }

        return amountRemaining;
    }

    function _verifySignature(
        address buyer,
        uint16 discountPercentage,
        uint32 expirationTime,
        address _signer,
        string calldata nonce,
        bytes calldata _signature
    ) internal view returns (bool) {
        require(
            expirationTime >= block.timestamp,
            "discount signature is already expired"
        );
        return
            keccak256(
                abi.encodePacked(
                    buyer,
                    discountPercentage,
                    expirationTime,
                    nonce,
                    "ONCHAINBUY",
                    block.chainid
                )
            ).toEthSignedMessageHash().recover(_signature) == _signer;
    }

    /// @notice get the listings currency and price
    /// @param saleId to get the details of sale
    function getListingPrice(
        string calldata saleId
    )
        external
        view
        returns (
            uint256[] memory minimumCryptoPrice,
            address[] memory paymentCurrency
        )
    {
        minimumCryptoPrice = listings[saleId].minimumCryptoPrice;
        paymentCurrency = listings[saleId].paymentCurrency;
    }

    /// @notice get contract state details
    function getContractData()
        external
        view
        returns (
            address _platformAddress,
            uint16 _platformFeePercentage,
            IPriceFeed _priceFeedAddress,
            IRoyaltyEngine _royaltySupport,
            uint64 _max1155Quantity
        )
    {
        _platformAddress = platformAddress;
        _platformFeePercentage = platformFeePercentage;
        _priceFeedAddress = priceFeedAddress;
        _royaltySupport = royaltySupport;
        _max1155Quantity = max1155Quantity;
    }

    /// @notice Withdraw the funds to owner
    function withdraw(address paymentCurrency) external adminRequired {
        bool success;
        address payable to = payable(msg.sender);
        if (paymentCurrency == address(0)) {
            (success, ) = to.call{value: address(this).balance}(new bytes(0));
            require(success, "withdraw to withdraw funds. Please try again");
        } else if (paymentCurrency != address(0)) {
            // transferring ERC20 currency
            uint256 amount = IERC20(paymentCurrency).balanceOf(address(this));
            IERC20(paymentCurrency).safeTransfer(to, amount);
        }
    }

    /// @notice cancel the sale of a listed token
    /// @param saleId to cancel the sale
    function cancelSale(string memory saleId) external adminRequired {
        require(
            usedSaleId[saleId],
            "the saleId you have entered is invalid. Please validate"
        );

        delete (listings[saleId]);
        emit saleClosed(saleId);
    }

    /// @notice set contract state details
    /// @param _platformAddress The Platform Address
    /// @param _platformFeePercentage The Platform fee percentage
    /// @param _max1155Quantity maxQuantity we support for 1155 NFTs
    /// @param _royaltyContract The contract intracts to get the royalty fee
    /// @param _pricefeed The contract intracts to get the chainlink feeded price
    function setContractData(
        address payable _platformAddress,
        uint16 _platformFeePercentage,
        uint64 _max1155Quantity,
        address _royaltyContract,
        address _pricefeed
    ) external adminRequired {
        platformAddress = _platformAddress;
        platformFeePercentage = _platformFeePercentage;
        max1155Quantity = _max1155Quantity;
        royaltySupport = IRoyaltyEngine(_royaltyContract);
        priceFeedAddress = IPriceFeed(_pricefeed);
    }

    /// @notice set Admin approval requirement 
    /// @param approval addmin approval as a boolean
    function setAdminApproval(bool approval) external adminRequired {
        adminApprovalRequired = approval;
    }

    /// @notice get royalty payout details
    /// @param collectionAddress the nft contract address
    /// @param tokenId the nft token Id
    function getRoyaltyInfo(
        address collectionAddress,
        uint256 tokenId
    )
        external
        view
        returns (address payable[] memory recipients, uint256[] memory bps)
    {
        (
            recipients,
            bps // Royalty amount denominated in basis points
        ) = royaltySupport.getRoyalty(collectionAddress, tokenId);
    }

    receive() external payable {}

    fallback() external payable {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s;
        uint8 v;
        assembly {
            s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            v := add(shr(255, vs), 27)
        }
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

import "./CreatorCore.sol";

/**
 * @dev Core ERC1155 creator interface
 */
interface IERC1155CreatorCore is ICreatorCore {

    /**
     * @dev mint a token with no extension. Can only be called by an admin.
     *
     * @param to       - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
     * @param amounts  - Can be a single element array (all recipients get the same amount) or a multi-element array
     * @param uris     - If no elements, all tokens use the default uri.
     *                   If any element is an empty string, the corresponding token uses the default uri.
     *
     *
     * Requirements: If to is a multi-element array, then uris must be empty or single element array
     *               If to is a multi-element array, then amounts must be a single element array or a multi-element array of the same size
     *               If to is a single element array, uris must be empty or the same length as amounts
     *
     * Examples:
     *    mintBaseNew(['0x....1', '0x....2'], [1], [])
     *        Mints a single new token, and gives 1 each to '0x....1' and '0x....2'.  Token uses default uri.
     *    
     *    mintBaseNew(['0x....1', '0x....2'], [1, 2], [])
     *        Mints a single new token, and gives 1 to '0x....1' and 2 to '0x....2'.  Token uses default uri.
     *    
     *    mintBaseNew(['0x....1'], [1, 2], ["", "http://token2.com"])
     *        Mints two new tokens to '0x....1'. 1 of the first token, 2 of the second.  1st token uses default uri, second uses "http://token2.com".
     *    
     * @return Returns list of tokenIds minted
     */
    function mintBaseNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external returns (uint256[] memory);

    /**
     * @dev batch mint existing token with no extension. Can only be called by an admin.
     *
     * @param to        - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
     * @param tokenIds  - Can be a single element array (all recipients get the same token) or a multi-element array
     * @param amounts   - Can be a single element array (all recipients get the same amount) or a multi-element array
     *
     * Requirements: If any of the parameters are multi-element arrays, they need to be the same length as other multi-element arrays
     *
     * Examples:
     *    mintBaseExisting(['0x....1', '0x....2'], [1], [10])
     *        Mints 10 of tokenId 1 to each of '0x....1' and '0x....2'.
     *    
     *    mintBaseExisting(['0x....1', '0x....2'], [1, 2], [10, 20])
     *        Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 2 to '0x....2'.
     *    
     *    mintBaseExisting(['0x....1'], [1, 2], [10, 20])
     *        Mints 10 of tokenId 1 and 20 of tokenId 2 to '0x....1'.
     *    
     *    mintBaseExisting(['0x....1', '0x....2'], [1], [10, 20])
     *        Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 1 to '0x....2'.
     *    
     */
    function mintBaseExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external;

    /**
     * @dev mint a token from an extension. Can only be called by a registered extension.
     *
     * @param to       - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
     * @param amounts  - Can be a single element array (all recipients get the same amount) or a multi-element array
     * @param uris     - If no elements, all tokens use the default uri.
     *                   If any element is an empty string, the corresponding token uses the default uri.
     *
     *
     * Requirements: If to is a multi-element array, then uris must be empty or single element array
     *               If to is a multi-element array, then amounts must be a single element array or a multi-element array of the same size
     *               If to is a single element array, uris must be empty or the same length as amounts
     *
     * Examples:
     *    mintExtensionNew(['0x....1', '0x....2'], [1], [])
     *        Mints a single new token, and gives 1 each to '0x....1' and '0x....2'.  Token uses default uri.
     *    
     *    mintExtensionNew(['0x....1', '0x....2'], [1, 2], [])
     *        Mints a single new token, and gives 1 to '0x....1' and 2 to '0x....2'.  Token uses default uri.
     *    
     *    mintExtensionNew(['0x....1'], [1, 2], ["", "http://token2.com"])
     *        Mints two new tokens to '0x....1'. 1 of the first token, 2 of the second.  1st token uses default uri, second uses "http://token2.com".
     *    
     * @return Returns list of tokenIds minted
     */
    function mintExtensionNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external returns (uint256[] memory);

    /**
     * @dev batch mint existing token from extension. Can only be called by a registered extension.
     *
     * @param to        - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
     * @param tokenIds  - Can be a single element array (all recipients get the same token) or a multi-element array
     * @param amounts   - Can be a single element array (all recipients get the same amount) or a multi-element array
     *
     * Requirements: If any of the parameters are multi-element arrays, they need to be the same length as other multi-element arrays
     *
     * Examples:
     *    mintExtensionExisting(['0x....1', '0x....2'], [1], [10])
     *        Mints 10 of tokenId 1 to each of '0x....1' and '0x....2'.
     *    
     *    mintExtensionExisting(['0x....1', '0x....2'], [1, 2], [10, 20])
     *        Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 2 to '0x....2'.
     *    
     *    mintExtensionExisting(['0x....1'], [1, 2], [10, 20])
     *        Mints 10 of tokenId 1 and 20 of tokenId 2 to '0x....1'.
     *    
     *    mintExtensionExisting(['0x....1', '0x....2'], [1], [10, 20])
     *        Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 1 to '0x....2'.
     *    
     */
    function mintExtensionExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external;

    /**
     * @dev burn tokens. Can only be called by token owner or approved address.
     * On burn, calls back to the registered extension's onBurn method
     */
    function burn(address account, uint256[] calldata tokenIds, uint256[] calldata amounts) external;

    /**
     * @dev Total amount of tokens in with a given tokenId.
     */
    function totalSupply(uint256 tokenId) external view returns (uint256);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

import "./ICreatorCore.sol";

/**
 * @dev Core ERC721 creator interface
 */
interface IERC721CreatorCore is ICreatorCore {

    /**
     * @dev mint a token with no extension. Can only be called by an admin.
     * Returns tokenId minted
     */
    function mintBase(address to) external returns (uint256);

    /**
     * @dev mint a token with no extension. Can only be called by an admin.
     * Returns tokenId minted
     */
    function mintBase(address to, string calldata uri) external returns (uint256);

    /**
     * @dev batch mint a token with no extension. Can only be called by an admin.
     * Returns tokenId minted
     */
    function mintBaseBatch(address to, uint16 count) external returns (uint256[] memory);

    /**
     * @dev batch mint a token with no extension. Can only be called by an admin.
     * Returns tokenId minted
     */
    function mintBaseBatch(address to, string[] calldata uris) external returns (uint256[] memory);

    /**
     * @dev mint a token. Can only be called by a registered extension.
     * Returns tokenId minted
     */
    function mintExtension(address to) external returns (uint256);

    /**
     * @dev mint a token. Can only be called by a registered extension.
     * Returns tokenId minted
     */
    function mintExtension(address to, string calldata uri) external returns (uint256);

    /**
     * @dev batch mint a token. Can only be called by a registered extension.
     * Returns tokenIds minted
     */
    function mintExtensionBatch(address to, uint16 count) external returns (uint256[] memory);

    /**
     * @dev batch mint a token. Can only be called by a registered extension.
     * Returns tokenId minted
     */
    function mintExtensionBatch(address to, string[] calldata uris) external returns (uint256[] memory);

    /**
     * @dev burn a token. Can only be called by token owner or approved address.
     * On burn, calls back to the registered extension's onBurn method
     */
    function burn(uint256 tokenId) external;

}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

import "../../../openzeppelin/utils/introspection/ERC165.sol";
import "../../../openzeppelin/utils/structs/EnumerableSet.sol";
import "../../../openzeppelin/access/Ownable.sol";
import "./IAdminControl.sol";

abstract contract AdminControl is Ownable, IAdminControl, ERC165 {
    using EnumerableSet for EnumerableSet.AddressSet;

    // Track registered admins
    EnumerableSet.AddressSet private _admins;

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

    /**
     * @dev Only allows approved admins to call the specified function
     */
    modifier adminRequired() {
        require(
            owner() == msg.sender || _admins.contains(msg.sender),
            "AdminControl: Must be owner or admin"
        );
        _;
    }

    /**
     * @dev See {IAdminControl-getAdmins}.
     */
    function getAdmins()
        external
        view
        override
        returns (address[] memory admins)
    {
        admins = new address[](_admins.length());
        for (uint256 i = 0; i < _admins.length(); i++) {
            admins[i] = _admins.at(i);
        }
        return admins;
    }

    /**
     * @dev See {IAdminControl-approveAdmin}.
     */
    function approveAdmin(address admin) external override onlyOwner {
        if (!_admins.contains(admin)) {
            emit AdminApproved(admin, msg.sender);
            _admins.add(admin);
        }
    }

    /**
     * @dev See {IAdminControl-revokeAdmin}.
     */
    function revokeAdmin(address admin) external override onlyOwner {
        if (_admins.contains(admin)) {
            emit AdminRevoked(admin, msg.sender);
            _admins.remove(admin);
        }
    }

    /**
     * @dev See {IAdminControl-isAdmin}.
     */
    function isAdmin(address admin) public view override returns (bool) {
        return (owner() == admin || _admins.contains(admin));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.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 Address 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 v4.4.0 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, 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 `sender` to `recipient` 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 sender,
        address recipient,
        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

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor () {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make 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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.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 IERC1155 is IERC165 {
    /**
     * @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 v4.4.0 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @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 v4.4.0 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    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 v4.4.0 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 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 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

pragma solidity ^0.8.0;

/// @author: manifold.xyz

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

/**
 * @dev Interface for admin control
 */
interface IAdminControl is IERC165 {
    event AdminApproved(address indexed account, address indexed sender);
    event AdminRevoked(address indexed account, address indexed sender);

    /**
     * @dev gets address of all admins
     */
    function getAdmins() external view returns (address[] memory);

    /**
     * @dev add an admin.  Can only be called by contract owner.
     */
    function approveAdmin(address admin) external;

    /**
     * @dev remove an admin.  Can only be called by contract owner.
     */
    function revokeAdmin(address admin) external;

    /**
     * @dev checks whether or not given address is an admin
     * Returns True if they are
     */
    function isAdmin(address admin) external view returns (bool);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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 EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

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

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

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

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

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

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

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

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

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

            return true;
        } else {
            return false;
        }
    }

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

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

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

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

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

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

/**
 * @dev Core creator interface
 */
interface ICreatorCore is IERC165 {
    event ExtensionRegistered(
        address indexed extension,
        address indexed sender
    );
    event ExtensionUnregistered(
        address indexed extension,
        address indexed sender
    );
    event ExtensionBlacklisted(
        address indexed extension,
        address indexed sender
    );
    event MintPermissionsUpdated(
        address indexed extension,
        address indexed permissions,
        address indexed sender
    );
    event RoyaltiesUpdated(
        uint256 indexed tokenId,
        address payable[] receivers,
        uint256[] basisPoints
    );
    event DefaultRoyaltiesUpdated(
        address payable[] receivers,
        uint256[] basisPoints
    );
    event ExtensionRoyaltiesUpdated(
        address indexed extension,
        address payable[] receivers,
        uint256[] basisPoints
    );
    event ExtensionApproveTransferUpdated(
        address indexed extension,
        bool enabled
    );

    /**
     * @dev gets address of all extensions
     */
    function getExtensions() external view returns (address[] memory);

    /**
     * @dev add an extension.  Can only be called by contract owner or admin.
     * extension address must point to a contract implementing ICreatorExtension.
     * Returns True if newly added, False if already added.
     */
    function registerExtension(address extension, string calldata baseURI)
        external;

    /**
     * @dev add an extension.  Can only be called by contract owner or admin.
     * extension address must point to a contract implementing ICreatorExtension.
     * Returns True if newly added, False if already added.
     */
    function registerExtension(
        address extension,
        string calldata baseURI,
        bool baseURIIdentical
    ) external;

    /**
     * @dev add an extension.  Can only be called by contract owner or admin.
     * Returns True if removed, False if already removed.
     */
    function unregisterExtension(address extension) external;

    /**
     * @dev blacklist an extension.  Can only be called by contract owner or admin.
     * This function will destroy all ability to reference the metadata of any tokens created
     * by the specified extension. It will also unregister the extension if needed.
     * Returns True if removed, False if already removed.
     */
    function blacklistExtension(address extension) external;

    /**
     * @dev set the baseTokenURI of an extension.  Can only be called by extension.
     */
    function setBaseTokenURIExtension(string calldata uri) external;

    /**
     * @dev set the baseTokenURI of an extension.  Can only be called by extension.
     * For tokens with no uri configured, tokenURI will return "uri+tokenId"
     */
    function setBaseTokenURIExtension(string calldata uri, bool identical)
        external;

    /**
     * @dev set the common prefix of an extension.  Can only be called by extension.
     * If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI"
     * Useful if you want to use ipfs/arweave
     */
    function setTokenURIPrefixExtension(string calldata prefix) external;

    /**
     * @dev set the tokenURI of a token extension.  Can only be called by extension that minted token.
     */
    function setTokenURIExtension(uint256 tokenId, string calldata uri)
        external;

    /**
     * @dev set the tokenURI of a token extension for multiple tokens.  Can only be called by extension that minted token.
     */
    function setTokenURIExtension(
        uint256[] memory tokenId,
        string[] calldata uri
    ) external;

    /**
     * @dev set the baseTokenURI for tokens with no extension.  Can only be called by owner/admin.
     * For tokens with no uri configured, tokenURI will return "uri+tokenId"
     */
    function setBaseTokenURI(string calldata uri) external;

    /**
     * @dev set the common prefix for tokens with no extension.  Can only be called by owner/admin.
     * If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI"
     * Useful if you want to use ipfs/arweave
     */
    function setTokenURIPrefix(string calldata prefix) external;

    /**
     * @dev set the tokenURI of a token with no extension.  Can only be called by owner/admin.
     */
    function setTokenURI(uint256 tokenId, string calldata uri) external;

    /**
     * @dev set the tokenURI of multiple tokens with no extension.  Can only be called by owner/admin.
     */
    function setTokenURI(uint256[] memory tokenIds, string[] calldata uris)
        external;

    /**
     * @dev set a permissions contract for an extension.  Used to control minting.
     */
    function setMintPermissions(address extension, address permissions)
        external;

    /**
     * @dev Configure so transfers of tokens created by the caller (must be extension) gets approval
     * from the extension before transferring
     */
    function setApproveTransferExtension(bool enabled) external;

    /**
     * @dev get the extension of a given token
     */
    function tokenExtension(uint256 tokenId) external view returns (address);

    /**
     * @dev Set default royalties
     */
    function setRoyalties(
        address payable[] calldata receivers,
        uint256[] calldata basisPoints
    ) external;

    /**
     * @dev Set royalties of a token
     */
    function setRoyalties(
        uint256 tokenId,
        address payable[] calldata receivers,
        uint256[] calldata basisPoints
    ) external;

    /**
     * @dev Set royalties of an extension
     */
    function setRoyaltiesExtension(
        address extension,
        address payable[] calldata receivers,
        uint256[] calldata basisPoints
    ) external;

    /**
     * @dev Get royalites of a token.  Returns list of receivers and basisPoints
     */
    function getRoyalties(uint256 tokenId)
        external
        view
        returns (address payable[] memory, uint256[] memory);

    // Royalty support for various other standards
    function getFeeRecipients(uint256 tokenId)
        external
        view
        returns (address payable[] memory);

    function getFeeBps(uint256 tokenId)
        external
        view
        returns (uint256[] memory);

    function getFees(uint256 tokenId)
        external
        view
        returns (address payable[] memory, uint256[] memory);

    function royaltyInfo(uint256 tokenId, uint256 value)
        external
        view
        returns (address, uint256);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

import "../../../openzeppelin/security/ReentrancyGuard.sol";
import "../../../openzeppelin/utils/Strings.sol";
import "../../../openzeppelin/utils/introspection/ERC165.sol";
import "../../../openzeppelin/utils/introspection/ERC165Checker.sol";
import "../../../openzeppelin/utils/structs/EnumerableSet.sol";
import "../../../openzeppelin-upgradeable/utils/AddressUpgradeable.sol";

import "../extensions/ICreatorExtensionTokenURI.sol";

import "./ICreatorCore.sol";

/**
 * @dev Core creator implementation
 */
abstract contract CreatorCore is ReentrancyGuard, ICreatorCore, ERC165 {
    using Strings for uint256;
    using EnumerableSet for EnumerableSet.AddressSet;
    using AddressUpgradeable for address;

    /// @custom:oz-upgrades-unsafe-allow state-variable-assignment
    uint256 _tokenCount = 0;

    // Track registered extensions data
    EnumerableSet.AddressSet internal _extensions;
    EnumerableSet.AddressSet internal _blacklistedExtensions;
    mapping(address => address) internal _extensionPermissions;
    mapping(address => bool) internal _extensionApproveTransfers;

    // For tracking which extension a token was minted by
    mapping(uint256 => address) internal _tokensExtension;

    // The baseURI for a given extension
    mapping(address => string) private _extensionBaseURI;
    mapping(address => bool) private _extensionBaseURIIdentical;

    // The prefix for any tokens with a uri configured
    mapping(address => string) private _extensionURIPrefix;

    // Mapping for individual token URIs
    mapping(uint256 => string) internal _tokenURIs;

    // Royalty configurations
    mapping(address => address payable[]) internal _extensionRoyaltyReceivers;
    mapping(address => uint256[]) internal _extensionRoyaltyBPS;
    mapping(uint256 => address payable[]) internal _tokenRoyaltyReceivers;
    mapping(uint256 => uint256[]) internal _tokenRoyaltyBPS;

    /**
     * External interface identifiers for royalties
     */

    /**
     *  @dev CreatorCore
     *
     *  bytes4(keccak256('getRoyalties(uint256)')) == 0xbb3bafd6
     *
     *  => 0xbb3bafd6 = 0xbb3bafd6
     */
    bytes4 private constant _INTERFACE_ID_ROYALTIES_CREATORCORE = 0xbb3bafd6;

    /**
     *  @dev Rarible: RoyaltiesV1
     *
     *  bytes4(keccak256('getFeeRecipients(uint256)')) == 0xb9c4d9fb
     *  bytes4(keccak256('getFeeBps(uint256)')) == 0x0ebd4c7f
     *
     *  => 0xb9c4d9fb ^ 0x0ebd4c7f = 0xb7799584
     */
    bytes4 private constant _INTERFACE_ID_ROYALTIES_RARIBLE = 0xb7799584;

    /**
     *  @dev Foundation
     *
     *  bytes4(keccak256('getFees(uint256)')) == 0xd5a06d4c
     *
     *  => 0xd5a06d4c = 0xd5a06d4c
     */
    bytes4 private constant _INTERFACE_ID_ROYALTIES_FOUNDATION = 0xd5a06d4c;

    /**
     *  @dev EIP-2981
     *
     * bytes4(keccak256("royaltyInfo(uint256,uint256)")) == 0x2a55205a
     *
     * => 0x2a55205a = 0x2a55205a
     */
    bytes4 private constant _INTERFACE_ID_ROYALTIES_EIP2981 = 0x2a55205a;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC165, IERC165)
        returns (bool)
    {
        return
            interfaceId == type(ICreatorCore).interfaceId ||
            super.supportsInterface(interfaceId) ||
            interfaceId == _INTERFACE_ID_ROYALTIES_CREATORCORE ||
            interfaceId == _INTERFACE_ID_ROYALTIES_RARIBLE ||
            interfaceId == _INTERFACE_ID_ROYALTIES_FOUNDATION ||
            interfaceId == _INTERFACE_ID_ROYALTIES_EIP2981;
    }

    /**
     * @dev Only allows registered extensions to call the specified function
     */
    modifier extensionRequired() {
        require(
            _extensions.contains(msg.sender),
            "Must be registered extension"
        );
        _;
    }

    /**
     * @dev Only allows non-blacklisted extensions
     */
    modifier nonBlacklistRequired(address extension) {
        require(
            !_blacklistedExtensions.contains(extension),
            "Extension blacklisted"
        );
        _;
    }

    /**
     * @dev See {ICreatorCore-getExtensions}.
     */
    function getExtensions()
        external
        view
        override
        returns (address[] memory extensions)
    {
        extensions = new address[](_extensions.length());
        for (uint256 i = 0; i < _extensions.length(); i++) {
            extensions[i] = _extensions.at(i);
        }
        return extensions;
    }

    /**
     * @dev Register an extension
     */
    function _registerExtension(
        address extension,
        string calldata baseURI,
        bool baseURIIdentical
    ) internal {
        require(extension != address(this), "Creator: Invalid");
        require(
            extension.isContract(),
            "Creator: Extension must be a contract"
        );
        if (!_extensions.contains(extension)) {
            _extensionBaseURI[extension] = baseURI;
            _extensionBaseURIIdentical[extension] = baseURIIdentical;
            emit ExtensionRegistered(extension, msg.sender);
            _extensions.add(extension);
        }
    }

    /**
     * @dev Unregister an extension
     */
    function _unregisterExtension(address extension) internal {
        if (_extensions.contains(extension)) {
            emit ExtensionUnregistered(extension, msg.sender);
            _extensions.remove(extension);
        }
    }

    /**
     * @dev Blacklist an extension
     */
    function _blacklistExtension(address extension) internal {
        require(extension != address(this), "Cannot blacklist yourself");
        if (_extensions.contains(extension)) {
            emit ExtensionUnregistered(extension, msg.sender);
            _extensions.remove(extension);
        }
        if (!_blacklistedExtensions.contains(extension)) {
            emit ExtensionBlacklisted(extension, msg.sender);
            _blacklistedExtensions.add(extension);
        }
    }

    /**
     * @dev Set base token uri for an extension
     */
    function _setBaseTokenURIExtension(string calldata uri, bool identical)
        internal
    {
        _extensionBaseURI[msg.sender] = uri;
        _extensionBaseURIIdentical[msg.sender] = identical;
    }

    /**
     * @dev Set token uri prefix for an extension
     */
    function _setTokenURIPrefixExtension(string calldata prefix) internal {
        _extensionURIPrefix[msg.sender] = prefix;
    }

    /**
     * @dev Set token uri for a token of an extension
     */
    function _setTokenURIExtension(uint256 tokenId, string calldata uri)
        internal
    {
        require(_tokensExtension[tokenId] == msg.sender, "Invalid token");
        _tokenURIs[tokenId] = uri;
    }

    /**
     * @dev Set base token uri for tokens with no extension
     */
    function _setBaseTokenURI(string memory uri) internal {
        _extensionBaseURI[address(this)] = uri;
    }

    /**
     * @dev Set token uri prefix for tokens with no extension
     */
    function _setTokenURIPrefix(string calldata prefix) internal {
        _extensionURIPrefix[address(this)] = prefix;
    }

    /**
     * @dev Set token uri for a token with no extension
     */
    function _setTokenURI(uint256 tokenId, string calldata uri) internal {
        require(_tokensExtension[tokenId] == address(this), "Invalid token");
        _tokenURIs[tokenId] = uri;
    }

    /**
     * @dev Retrieve a token's URI
     */
    function _tokenURI(uint256 tokenId) internal view returns (string memory) {
        address extension = _tokensExtension[tokenId];
        require(
            !_blacklistedExtensions.contains(extension),
            "Extension blacklisted"
        );

        if (bytes(_tokenURIs[tokenId]).length != 0) {
            if (bytes(_extensionURIPrefix[extension]).length != 0) {
                return
                    string(
                        abi.encodePacked(
                            _extensionURIPrefix[extension],
                            _tokenURIs[tokenId]
                        )
                    );
            }
            return _tokenURIs[tokenId];
        }

        if (
            ERC165Checker.supportsInterface(
                extension,
                type(ICreatorExtensionTokenURI).interfaceId
            )
        ) {
            return
                ICreatorExtensionTokenURI(extension).tokenURI(
                    address(this),
                    tokenId
                );
        }
        if (bytes(_extensionBaseURI[extension]).length != 0) {
            if (!_extensionBaseURIIdentical[extension]) {
                return
                    string(
                        abi.encodePacked(
                            _extensionBaseURI[extension],
                            tokenId.toString()
                        )
                    );
            } else {
                return _extensionBaseURI[extension];
            }
        } else {
            if (!_extensionBaseURIIdentical[address(this)])
            {
            return
                string(
                    abi.encodePacked(
                        _extensionBaseURI[address(this)],
                        tokenId.toString()
                    )
                );
            }else{
                return _extensionBaseURI[address(this)];
            }
        }
    }

    /**
     * Get token extension
     */
    function _tokenExtension(uint256 tokenId)
        internal
        view
        returns (address extension)
    {
        extension = _tokensExtension[tokenId];

        require(extension != address(this), "No extension for token");
        require(
            !_blacklistedExtensions.contains(extension),
            "Extension blacklisted"
        );

        return extension;
    }

    /**
     * Helper to get royalties for a token
     */
    function _getRoyalties(uint256 tokenId)
        internal
        view
        returns (address payable[] storage, uint256[] storage)
    {
        return (_getRoyaltyReceivers(tokenId), _getRoyaltyBPS(tokenId));
    }

    /**
     * Helper to get royalty receivers for a token
     */
    function _getRoyaltyReceivers(uint256 tokenId)
        internal
        view
        returns (address payable[] storage)
    {
        if (_tokenRoyaltyReceivers[tokenId].length > 0) {
            return _tokenRoyaltyReceivers[tokenId];
        } else if (
            _extensionRoyaltyReceivers[_tokensExtension[tokenId]].length > 0
        ) {
            return _extensionRoyaltyReceivers[_tokensExtension[tokenId]];
        }
        return _extensionRoyaltyReceivers[address(this)];
    }

    /**
     * Helper to get royalty basis points for a token
     */
    function _getRoyaltyBPS(uint256 tokenId)
        internal
        view
        returns (uint256[] storage)
    {
        if (_tokenRoyaltyBPS[tokenId].length > 0) {
            return _tokenRoyaltyBPS[tokenId];
        } else if (_extensionRoyaltyBPS[_tokensExtension[tokenId]].length > 0) {
            return _extensionRoyaltyBPS[_tokensExtension[tokenId]];
        }
        return _extensionRoyaltyBPS[address(this)];
    }

    function _getRoyaltyInfo(uint256 tokenId, uint256 value)
        internal
        view
        returns (address receiver, uint256 amount)
    {
        address payable[] storage receivers = _getRoyaltyReceivers(tokenId);
        require(receivers.length <= 1, "More than 1 royalty receiver");

        if (receivers.length == 0) {
            return (address(this), 0);
        }
        return (receivers[0], (_getRoyaltyBPS(tokenId)[0] * value) / 10000);
    }

    /**
     * Set royalties for a token
     */
    function _setRoyalties(
        uint256 tokenId,
        address payable[] calldata receivers,
        uint256[] calldata basisPoints
    ) internal {
        require(receivers.length == basisPoints.length, "Invalid input");
        uint256 totalBasisPoints;
        for (uint256 i = 0; i < basisPoints.length; i++) {
            totalBasisPoints += basisPoints[i];
        }
        require(totalBasisPoints < 10000, "Invalid total royalties");
        _tokenRoyaltyReceivers[tokenId] = receivers;
        _tokenRoyaltyBPS[tokenId] = basisPoints;
        emit RoyaltiesUpdated(tokenId, receivers, basisPoints);
    }

    /**
     * Set royalties for all tokens of an extension
     */
    function _setRoyaltiesExtension(
        address extension,
        address payable[] calldata receivers,
        uint256[] calldata basisPoints
    ) internal {
        require(receivers.length == basisPoints.length, "Invalid input");
        uint256 totalBasisPoints;
        for (uint256 i = 0; i < basisPoints.length; i++) {
            totalBasisPoints += basisPoints[i];
        }
        require(totalBasisPoints < 10000, "Invalid total royalties");
        _extensionRoyaltyReceivers[extension] = receivers;
        _extensionRoyaltyBPS[extension] = basisPoints;
        if (extension == address(this)) {
            emit DefaultRoyaltiesUpdated(receivers, basisPoints);
        } else {
            emit ExtensionRoyaltiesUpdated(extension, receivers, basisPoints);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Context.sol)

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

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

/**
 * @dev Implement this if you want your extension to have overloadable URI's
 */
interface ICreatorExtensionTokenURI is IERC165 {
    /**
     * Get the uri for a given creator/tokenId
     */
    function tokenURI(address creator, uint256 tokenId)
        external
        view
        returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 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 v4.4.0 (utils/introspection/ERC165Checker.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Library used to query support of an interface declared via {IERC165}.
 *
 * Note that these functions return the actual result of the query: they do not
 * `revert` if an interface is not supported. It is up to the caller to decide
 * what to do in these cases.
 */
library ERC165Checker {
    // As per the EIP-165 spec, no interface should ever match 0xffffffff
    bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff;

    /**
     * @dev Returns true if `account` supports the {IERC165} interface,
     */
    function supportsERC165(address account) internal view returns (bool) {
        // Any contract that implements ERC165 must explicitly indicate support of
        // InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid
        return
            _supportsERC165Interface(account, type(IERC165).interfaceId) &&
            !_supportsERC165Interface(account, _INTERFACE_ID_INVALID);
    }

    /**
     * @dev Returns true if `account` supports the interface defined by
     * `interfaceId`. Support for {IERC165} itself is queried automatically.
     *
     * See {IERC165-supportsInterface}.
     */
    function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) {
        // query support of both ERC165 as per the spec and support of _interfaceId
        return supportsERC165(account) && _supportsERC165Interface(account, interfaceId);
    }

    /**
     * @dev Returns a boolean array where each value corresponds to the
     * interfaces passed in and whether they're supported or not. This allows
     * you to batch check interfaces for a contract where your expectation
     * is that some interfaces may not be supported.
     *
     * See {IERC165-supportsInterface}.
     *
     * _Available since v3.4._
     */
    function getSupportedInterfaces(address account, bytes4[] memory interfaceIds)
        internal
        view
        returns (bool[] memory)
    {
        // an array of booleans corresponding to interfaceIds and whether they're supported or not
        bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length);

        // query support of ERC165 itself
        if (supportsERC165(account)) {
            // query support of each interface in interfaceIds
            for (uint256 i = 0; i < interfaceIds.length; i++) {
                interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]);
            }
        }

        return interfaceIdsSupported;
    }

    /**
     * @dev Returns true if `account` supports all the interfaces defined in
     * `interfaceIds`. Support for {IERC165} itself is queried automatically.
     *
     * Batch-querying can lead to gas savings by skipping repeated checks for
     * {IERC165} support.
     *
     * See {IERC165-supportsInterface}.
     */
    function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) {
        // query support of ERC165 itself
        if (!supportsERC165(account)) {
            return false;
        }

        // query support of each interface in _interfaceIds
        for (uint256 i = 0; i < interfaceIds.length; i++) {
            if (!_supportsERC165Interface(account, interfaceIds[i])) {
                return false;
            }
        }

        // all interfaces supported
        return true;
    }

    /**
     * @notice Query if a contract implements an interface, does not check ERC165 support
     * @param account The address of the contract to query for support of an interface
     * @param interfaceId The interface identifier, as specified in ERC-165
     * @return true if the contract at account indicates support of the interface with
     * identifier interfaceId, false otherwise
     * @dev Assumes that account contains a contract that supports ERC165, otherwise
     * the behavior of this method is undefined. This precondition can be checked
     * with {supportsERC165}.
     * Interface identification is specified in ERC-165.
     */
    function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) {
        bytes memory encodedParams = abi.encodeWithSelector(IERC165.supportsInterface.selector, interfaceId);
        (bool success, bytes memory result) = account.staticcall{gas: 30000}(encodedParams);
        if (result.length < 32) return false;
        return success && abi.decode(result, (bool));
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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OnchainBuy.BuyList","name":"list","type":"tuple"},{"internalType":"uint256","name":"tax","type":"uint256"},{"components":[{"internalType":"uint16","name":"discountPercentage","type":"uint16"},{"internalType":"uint32","name":"expirationTime","type":"uint32"},{"internalType":"string","name":"nonce","type":"string"},{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"address","name":"signer","type":"address"}],"internalType":"struct OnchainBuy.Discount","name":"discount","type":"tuple"}],"name":"buy","outputs":[{"internalType":"uint256[]","name":"nftTokenId","type":"uint256[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"string","name":"saleId","type":"string"}],"name":"cancelSale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"nftStartTokenId","type":"uint64"},{"internalType":"uint64","name":"nftEndTokenId","type":"uint64"},{"internalType":"uint64","name":"maxCap","type":"uint64"},{"internalType":"address","name":"nftContractAddress","type":"address"},{"internalType":"uint256","name":"minimumFiatPrice","type":"uint256"},{"internalType":"uint256[]","name":"minimumCryptoPrice","type":"uint256[]"},{"internalType":"address[]","name":"paymentCurrency","type":"address[]"},{"components":[{"internalType":"address payable","name":"paymentSettlementAddress","type":"address"},{"internalType":"address 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OnchainBuy.PriceList","name":"list","type":"tuple"},{"internalType":"string","name":"saleId","type":"string"}],"name":"createOrUpdateSale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"","type":"bytes"}],"name":"discountUsed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAdmins","outputs":[{"internalType":"address[]","name":"admins","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getContractData","outputs":[{"internalType":"address","name":"_platformAddress","type":"address"},{"internalType":"uint16","name":"_platformFeePercentage","type":"uint16"},{"internalType":"contract IPriceFeed","name":"_priceFeedAddress","type":"address"},{"internalType":"contract IRoyaltyEngine","name":"_royaltySupport","type":"address"},{"internalType":"uint64","name":"_max1155Quantity","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"saleId","type":"string"}],"name":"getListingPrice","outputs":[{"internalType":"uint256[]","name":"minimumCryptoPrice","type":"uint256[]"},{"internalType":"address[]","name":"paymentCurrency","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"collectionAddress","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getRoyaltyInfo","outputs":[{"internalType":"address payable[]","name":"recipients","type":"address[]"},{"internalType":"uint256[]","name":"bps","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"admin","type":"address"}],"name":"isAdmin","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"","type":"string"}],"name":"listings","outputs":[{"internalType":"uint64","name":"nftStartTokenId","type":"uint64"},{"internalType":"uint64","name":"nftEndTokenId","type":"uint64"},{"internalType":"uint64","name":"maxCap","type":"uint64"},{"internalType":"address","name":"nftContractAddress","type":"address"},{"internalType":"uint256","name":"minimumFiatPrice","type":"uint256"},{"components":[{"internalType":"address payable","name":"paymentSettlementAddress","type":"address"},{"internalType":"address payable","name":"taxSettlementAddress","type":"address"},{"internalType":"address payable","name":"commissionAddress","type":"address"},{"internalType":"address payable","name":"platformSettlementAddress","type":"address"},{"internalType":"uint16","name":"commissionFeePercentage","type":"uint16"},{"internalType":"uint16","name":"platformFeePercentage","type":"uint16"}],"internalType":"struct OnchainBuy.settlementList","name":"paymentSettlement","type":"tuple"},{"internalType":"enum OnchainBuy.TransactionStatus","name":"transactionStatus","type":"uint8"},{"internalType":"enum OnchainBuy.PaymentStatus","name":"paymentStatus","type":"uint8"},{"internalType":"address","name":"tokenGatingContract","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"admin","type":"address"}],"name":"revokeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"approval","type":"bool"}],"name":"setAdminApproval","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"_platformAddress","type":"address"},{"internalType":"uint16","name":"_platformFeePercentage","type":"uint16"},{"internalType":"uint64","name":"_max1155Quantity","type":"uint64"},{"internalType":"address","name":"_royaltyContract","type":"address"},{"internalType":"address","name":"_pricefeed","type":"address"}],"name":"setContractData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"","type":"string"}],"name":"tokensUsed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"paymentCurrency","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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0000000000000000000000009fd1620fb2e589d1b08812b5e9cee4f0a31a5b5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c830e706eabbd9a4f2f7ed309e5b519a3073d5f200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001

-----Decoded View---------------
Arg [0] : _platformAddress (address): 0x9FD1620fb2e589D1b08812B5E9CEE4F0a31a5b50
Arg [1] : _platformFeePercentage (uint16): 0
Arg [2] : _max1155Quantity (uint64): 0
Arg [3] : _priceFeedAddress (address): 0xc830E706eABBd9A4F2F7Ed309E5B519a3073d5f2
Arg [4] : _royaltycontract (address): 0x0000000000000000000000000000000000000000
Arg [5] : _adminApprovalRequired (bool): True

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 0000000000000000000000009fd1620fb2e589d1b08812b5e9cee4f0a31a5b50
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [3] : 000000000000000000000000c830e706eabbd9a4f2f7ed309e5b519a3073d5f2
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000001