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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import "../IERC20.sol";
import "../TransferHelper.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";

interface IERC721 {

    function safeTransferFrom(address _from, address _to, uint256 _tokenId) external payable;
    function transferFrom(address _from, address _to, uint256 _tokenId) external payable;
    function balanceOf(address _owner) external view returns (uint256);
    function ownerOf(uint256 _tokenId) external view returns (address);
}

interface IERC1155 {

    function safeTransferFrom(address from, address to, uint256 id, uint256 amount, bytes memory data) external; 
    function safeBatchTransferFrom(address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data) external;
    function balanceOf(address owner, uint toenId) external returns (uint);
}

interface IDStreetRoyaltyConfig {
    function getRoyaltyInfo(address token) external view returns (address, uint);
    function getRoyaltyInfoById(address token,uint256 id) external view returns (address, uint);
    function getRoyaltyFee(uint price, address token) external view returns (address, uint256);
    function getRoyaltyFeeById(uint price, address token, uint256 id) external view returns (address, uint256);
}

interface IWETH is IERC20 {
    function deposit() external payable;
    function withdraw(uint256 wad) external;
}

contract DStreet is Initializable, UUPSUpgradeable, OwnableUpgradeable, ReentrancyGuardUpgradeable {

    using TransferHelper for IERC20;

    enum TokenType {
        ERC20,
        ERC721,
        ERC1155
    }

    enum ActionType {
        LIST_ITEM,
        BID_ITEM,
        BUY_ITEM,
        SELL_ITEM
    }

    enum ItemStatus {
        UNKNOWN,
        OPEN,
        CLOSED,
        CANCELLED,
        APPROVED
    }

    struct Token {
        TokenType tokenType;
        bool any;
        address tokenAddress;
        uint tokenId;
        uint amount;
    }

    struct Item {
        Token tokenItem;
        ItemStatus status;
        bool exists;
        address party;
        address currencyAddress;
        uint price;
        uint deadline;
    }

    struct Handshake {
        uint256 id;
        uint256 partyTokensId;
        uint256 counterPartyTokensId;
        uint deadline;
        address party;
        address counterParty;
        ItemStatus status;
        bool exists;
    }

    struct ListingStatus {
        uint256 id;
        ItemStatus status;
    }

    IWETH public _weth;
    mapping(uint => Item) _listItems;
    mapping(uint => Item) _bidItems;
    mapping(uint => Handshake) _handshakeItems;

    mapping(address => mapping(uint256 => uint256)) _userListings;
    mapping(address => mapping(uint256 => uint256)) _userBids;
    mapping(address => mapping(uint256 => uint256)) _userHandshakes;
    
    mapping(uint => Token[]) _handshakeTokens;
    uint _handshakeTokenCounter;
    uint public _handShakeCount;
    uint public _listCount;
    uint public _bidCount;
    address payable public _feeAddress;
    uint public _feePct;
    IDStreetRoyaltyConfig _royaltyConfig;
    uint constant FEE_DENOMINATOR = 10000;
    uint constant HANDSHAKE_DEADLINE = 7 * 24 * 60 * 60; // 7 days
    uint _handshakeFee;
    address _freeFeeNftAddress;
    bool _checkForNFT;
    bool _paused;

    event HandshakeCreated(uint id, uint handshakeId, address indexed party, address indexed cParty, Token[] partyTokens, Token[] cPartyTokens);
    event HandshakeApproved(uint handshakeId, address indexed party, address indexed cParty);
    event HandshakeCompleted(uint handshakeId, address indexed party, address indexed cParty);
    event HandshakeCancelled(uint handshakeId, address indexed party, address indexed cParty);
    event ListingCreated(uint id, address tokenAddress, uint tokenId, uint amount, address indexed sender, address currencyAddress, uint price, uint deadline);
    event BidCreated(uint id, address tokenAddress, uint tokenId, uint amount, bool any, address indexed sender, address currencyAddress, uint price, uint deadline);

    event ListingUpdated(uint id, uint price, uint deadline);
    event ListingCancelled(uint id);
    event BidUpdated(uint id, uint price, uint deadline);
    event BidCancelled(uint id);
    event ItemBought(uint id, address tokenAddress, uint tokenId, uint amount, address indexed buyer, address indexed seller, uint price);
    event ItemSold(uint id, address tokenAddress, uint tokenId, uint amount, address indexed buyer, address indexed seller, uint price);

    event DStreetPausedUpdate(bool oldFlag, bool newFlag);

    error NotFound();
    error NotInOpenStatus();
    error NotInApprovedStatus();
    error NotAuthorized();
    error InSufficientAmount();
    error FailedETHSend();
    error NotZeroAddress();
    error ExpiredItem();
    error AlreadySet();
    error AlreadyCancelled();
    error DStreetPaused();
    error InvalidAction();
    error NoItems();
    error InvalidPrice();
    error InvalidDeadline();

    constructor() {}

    function initialize() initializer public {
        __Ownable_init();
        __UUPSUpgradeable_init();
        __ReentrancyGuard_init();
    }

    function _authorizeUpgrade(address) internal override onlyOwner {}

    function name() public pure returns (string memory) {
        return "DStreet";
    }

    modifier notPaused() {
        if (_paused) revert DStreetPaused();
        _;
    }

    function setPaused(bool paused) external onlyOwner {
        emit DStreetPausedUpdate(_paused, paused);
        _paused = paused;
        
    }

    function setFreeFeeNFTAddress(address addr) external onlyOwner {
        _freeFeeNftAddress = addr;
    }

    function getFreeFeeNFTAddress() external view returns (address) {
        return _freeFeeNftAddress;
    }

    function isFeeFreeAccount(address account) public view returns (bool) {
        if (_checkForNFT) {
            return IERC721(_freeFeeNftAddress).balanceOf(account) > 0;
        }
        return false;
    }

    function setCheckForNFT(bool flag) external onlyOwner {
        _checkForNFT = flag;
    }

    function getCheckForNFT() external view returns (bool) {
        return _checkForNFT;
    }

    function setFeeAddress(address payable newAddress) external onlyOwner {
        if (newAddress == address(0)) revert NotZeroAddress();
        _feeAddress = newAddress;
    }

    function setRoyaltyConfig(address configAddress) external onlyOwner {
        if (configAddress == address(0)) revert NotZeroAddress();
        _royaltyConfig = IDStreetRoyaltyConfig(configAddress);
    }

    function setWETH(address wethAddress) external onlyOwner {
        if (wethAddress == address(0)) revert NotZeroAddress();
        if (address(_weth) != address(0)) revert AlreadySet();
        _weth = IWETH(wethAddress);
    }

    function setFeePct(uint feePct) external onlyOwner {
        _feePct = feePct;
    }

    function getFeePct() external view returns (uint256) {
        return _feePct;
    }

    function setHandshakeFee(uint fee, uint decimals) external onlyOwner {
        _handshakeFee = fee * 10**18 / 10 ** decimals;
    }

    function getHandShakeFee() external view returns (uint) {
        return _handshakeFee;
    }

    function getRoyaltyInfo(address token) external view returns (address, uint256) {
        return _royaltyConfig.getRoyaltyInfo(token);
    }

    function getRoyaltyInfoById(address token, uint256 tokenId) external view returns (address, uint256) {
        return _royaltyConfig.getRoyaltyInfoById(token, tokenId);
    }

    function getListing(uint id) external view returns (Item memory) {
        return _listItems[id];
    }

    function getBid(uint id) external view returns (Item memory) {
        return _bidItems[id];
    } 

    function createOrder(uint256 id, ActionType actionType, Token calldata token, address currency, uint price, uint deadline) external notPaused nonReentrant {
        if (price == 0) revert InvalidPrice();
        if (deadline == 0) revert InvalidDeadline();
        if (actionType == ActionType.LIST_ITEM) {
            if (token.tokenType == TokenType.ERC721 && IERC721(token.tokenAddress).ownerOf(token.tokenId) != msg.sender) revert NotAuthorized();
            if (token.tokenType == TokenType.ERC1155 && IERC1155(token.tokenAddress).balanceOf(msg.sender, token.tokenId) == 0) revert NotAuthorized();
            _listCount++;
            uint newDeadline = block.timestamp + deadline;
            _listItems[_listCount] = Item (
                token,
                ItemStatus.OPEN,
                true,
                msg.sender,
                currency,
                price,
                newDeadline
            );
            _userListings[msg.sender][id] = _listCount;
            emit ListingCreated(_listCount, token.tokenAddress, token.tokenId, token.amount, msg.sender, currency, price, newDeadline);
        } else if (actionType == ActionType.BID_ITEM) {
            _bidCount++;
            uint newDeadline = block.timestamp + deadline;
            _bidItems[_bidCount] = Item (
                token,
                ItemStatus.OPEN,
                true,
                msg.sender,
                currency,
                price,
                newDeadline
            );
            _userBids[msg.sender][id] = _bidCount;
            emit BidCreated(_bidCount, token.tokenAddress, token.tokenId, token.amount, token.any, msg.sender, currency, price, newDeadline);
        } else {
            revert InvalidAction();
        }
    }

    function fulfillOrder(ActionType actionType, uint itemId, uint tokenId) external payable notPaused nonReentrant {
        Item storage item;
        address currencyAddress;
        address seller;
        address buyer;
        uint itemPrice;
        address tokenAddress;
        uint amount;

        if (actionType == ActionType.BUY_ITEM) {
            item = _listItems[itemId];
            seller = item.party;
            buyer = msg.sender;
        } else if (actionType == ActionType.SELL_ITEM) {
            item = _bidItems[itemId];
            seller = msg.sender;
            buyer = item.party; 
        } else {
            revert InvalidAction();
        }
        currencyAddress = item.currencyAddress;
        itemPrice = item.price;
        tokenAddress = item.tokenItem.tokenAddress;
        amount = item.tokenItem.amount;
        
        if (item.deadline < block.timestamp) revert ExpiredItem();
        if (item.status != ItemStatus.OPEN) revert NotInOpenStatus();
        
        _validateFulfillPrice(currencyAddress, buyer, itemPrice);
        item.status = ItemStatus.CLOSED;

        // Transfer NFT 
        _transferTokens(item.tokenItem, seller, buyer, tokenId);

        (uint platformFee, uint royaltyAmount, uint remaining, address rAddress) = _calculateAmounts(item, seller);

        _sendAmounts(currencyAddress, seller, rAddress, platformFee, royaltyAmount, remaining);
        if (actionType == ActionType.BUY_ITEM) {
            emit ItemBought(itemId, tokenAddress, item.tokenItem.tokenId, amount, buyer, seller, itemPrice);
        } else {
            emit ItemSold(itemId, tokenAddress, item.tokenItem.tokenId, amount, seller, buyer, itemPrice);
        }
    }

    function checkOut(uint[] memory itemIds) external payable notPaused nonReentrant {
        if (itemIds.length == 0) revert NoItems();
        uint remainingAmount = msg.value;
        for (uint i; i < itemIds.length;) {
            Item storage item = _listItems[itemIds[i]];
            address currencyAddress = item.currencyAddress;
            uint tokenId = item.tokenItem.tokenId;
            address seller = item.party;
            if (item.deadline < block.timestamp || item.status != ItemStatus.OPEN || item.price > remainingAmount) {
                unchecked {
                    ++i;
                }
                continue;
            }
            item.status = ItemStatus.CLOSED;
            // Transfer NFT 
            _transferTokens(item.tokenItem, seller, msg.sender, tokenId);
            (uint platformFee, uint royaltyAmount, uint remaining, address rAddress) = _calculateAmounts(item, seller);
            _sendAmounts(currencyAddress, seller, rAddress, platformFee, royaltyAmount, remaining);
            unchecked {
                remainingAmount -= item.price;
                ++i;
            }
            emit ItemBought(itemIds[i], item.tokenItem.tokenAddress, tokenId, item.tokenItem.amount, msg.sender, seller, item.price);
        }
        if (remainingAmount > 0) {
            _transfer(msg.sender, remainingAmount);
        }
    }

    function _calculateAmounts(Item memory item, address itemOwner) internal view returns (uint pFee, uint rAmount, uint remaining, address rAddress) {
        pFee = _calculatePlatformFee(item.price, itemOwner);
        (rAddress, rAmount) = IDStreetRoyaltyConfig(_royaltyConfig).getRoyaltyFeeById(item.price, item.tokenItem.tokenAddress, item.tokenItem.tokenId);
        // Send remaining ETH to seller
        remaining = item.price - pFee - rAmount;
    }

    function _sendAmounts(address token, address to, address rAddress, uint pFee, uint rFee, uint remaining) internal {
        if (token == address(0)) {
            if (pFee > 0) _transfer(_feeAddress, pFee);
            if (rFee > 0) _transfer(rAddress, rFee);
            if (remaining > 0) _transfer(to, remaining);
        } else {
            if (pFee > 0) _transferTokens(Token(TokenType.ERC20, false, token, 0, pFee), address(this), _feeAddress, 0);
            if (rFee > 0) _transferTokens(Token(TokenType.ERC20, false, token, 0, rFee), address(this), rAddress, 0);
            if (remaining > 0) _transferTokens(Token(TokenType.ERC20, false, token, 0, remaining), address(this), to, 0);
        }
    }

    function _validateFulfillPrice(address currencyAddress, address from, uint price) internal {
        if(currencyAddress == address(0)) {
            if (msg.value < price) revert InSufficientAmount();
        } else {
            uint initialBal = IERC20(currencyAddress).balanceOf(address(this));
            IERC20(currencyAddress).transferFrom(from, address(this), price);
            uint amountReceived = IERC20(currencyAddress).balanceOf(address(this)) - initialBal;
            if (amountReceived < price) revert InSufficientAmount();
        }
    }

    function editOrder(ActionType actionType, uint id, uint price, uint deadline) external notPaused nonReentrant {
        if (price == 0) revert InvalidPrice();
        if (deadline == 0) revert InvalidDeadline();
        if (actionType == ActionType.LIST_ITEM) {
            Item storage item = _listItems[id];
            validateItem(item);
            item.price = price;
            item.deadline = block.timestamp + deadline;
            emit ListingUpdated(id, price, item.deadline);
        } else if (actionType == ActionType.BID_ITEM) {
            Item storage item = _bidItems[id];
            validateItem(item);
            item.price = price;
            item.deadline = block.timestamp + deadline;
            emit BidUpdated(id, price, item.deadline);
        } else {
            revert InvalidAction();
        }
    }

    function cancelOrder(ActionType actionType, uint id) external notPaused nonReentrant {
        if (actionType == ActionType.LIST_ITEM) {
            Item storage item = _listItems[id];
            validateItem(item);
            item.status = ItemStatus.CANCELLED;
            emit ListingCancelled(id);
        } else if (actionType == ActionType.BID_ITEM) {
            Item storage item = _bidItems[id];
            validateItem(item);
            item.status = ItemStatus.CANCELLED;   
            emit BidCancelled(id);         
        } else {
            revert InvalidAction();
        }
    }

    function validateItem(Item memory item) internal view {
        if (msg.sender != item.party) revert NotAuthorized();
        if (item.deadline < block.timestamp) revert ExpiredItem();
        if (item.status != ItemStatus.OPEN) revert NotInOpenStatus();
    }

    function _calculatePlatformFee(uint price, address itemOwner) internal view returns (uint) {
        if (isFeeFreeAccount(itemOwner)) return 0;
        return (price * _feePct) / FEE_DENOMINATOR;
    }

    function createHandshake(uint id, address cParty, Token[] memory tokens, Token[] memory cpTokens) external notPaused nonReentrant {
        if (cParty == address(0)) revert NotZeroAddress();
        uint partyTokensId = ++_handshakeTokenCounter;
        uint counterPartyTokensId = ++_handshakeTokenCounter;

        uint tokensLength = tokens.length;
        for (uint i; i < tokensLength;) {
            _handshakeTokens[partyTokensId].push(tokens[i]);
            unchecked {
                ++i;
            }
        }
        uint cpTokensLength = cpTokens.length;
        for (uint i; i < cpTokensLength;) {
            _handshakeTokens[counterPartyTokensId].push(cpTokens[i]);
            unchecked {
                ++i;
            }
        }
        _handShakeCount++;

        _handshakeItems[_handShakeCount] = Handshake({
            id: _handShakeCount,
            party: msg.sender,
            partyTokensId: partyTokensId,
            counterParty: cParty,
            counterPartyTokensId: counterPartyTokensId,
            status: ItemStatus.OPEN,
            deadline: block.timestamp + HANDSHAKE_DEADLINE,
            exists: true
        });
        _userHandshakes[msg.sender][id] = _handShakeCount;
        emit HandshakeCreated(id, _handShakeCount, msg.sender, cParty, tokens, cpTokens);
    }

    function approveHandshake(uint id) external notPaused nonReentrant {
        Handshake storage handshake = _handshakeItems[id];
        if (!handshake.exists) revert NotFound();
        if (handshake.counterParty != msg.sender) revert NotAuthorized();
        if (handshake.status != ItemStatus.OPEN) revert NotInOpenStatus();
        if (handshake.deadline < block.timestamp) revert ExpiredItem();

        handshake.status = ItemStatus.APPROVED;
        emit HandshakeApproved(id, handshake.party, handshake.counterParty);
    }

    function completeHandshake(uint id) external payable notPaused nonReentrant {

        Handshake storage handshake = _handshakeItems[id];
        if (!handshake.exists) revert NotFound();
        if (handshake.party != msg.sender) revert NotAuthorized();
        if (handshake.status != ItemStatus.APPROVED) revert NotInApprovedStatus();
        if (handshake.deadline < block.timestamp) revert ExpiredItem();
        
        handshake.status = ItemStatus.CLOSED;
        if (_handshakeFee > 0 && !isFeeFreeAccount(msg.sender)) {
            if (msg.value < _handshakeFee) revert InSufficientAmount();
            _transfer(_feeAddress, _handshakeFee);
        }
        //Transfer Party Items
        Token[] memory tokens = _handshakeTokens[handshake.partyTokensId];
        uint itemsLength = tokens.length;
        for (uint i ; i < itemsLength;) {
            _transferTokens(tokens[i], handshake.party, handshake.counterParty, 0);
            unchecked {
                ++i;
            }
        }

        //Transfer Counter Party Items;
        Token[] memory cpTokens = _handshakeTokens[handshake.counterPartyTokensId];
        uint cpItemsLength = cpTokens.length;
        for (uint i ; i < cpItemsLength;) {
            _transferTokens(cpTokens[i], handshake.counterParty, handshake.party, 0);
            unchecked {
                ++i;
            }
        }
        
        emit HandshakeCompleted(id, handshake.party, handshake.counterParty);
    }

    function cancelHandshake(uint id) external notPaused nonReentrant {
        Handshake storage handshake = _handshakeItems[id];
        if (!handshake.exists) revert NotFound();
        if (handshake.party != msg.sender) revert NotAuthorized();
        if (handshake.status == ItemStatus.CANCELLED) revert AlreadyCancelled();
        if (handshake.deadline < block.timestamp) revert ExpiredItem();

        handshake.status = ItemStatus.CANCELLED;
        emit HandshakeCancelled(id, handshake.party, handshake.counterParty);
    }

    function _transferTokens(Token memory token, address from, address to, uint tokenId) internal {
        if (token.tokenType == TokenType.ERC20) {
            IERC20(token.tokenAddress).safeTransferFrom(from, to, token.amount);
        } else if (token.tokenType == TokenType.ERC721) {
            uint idToUse = token.any ? tokenId : token.tokenId;
            IERC721(token.tokenAddress).safeTransferFrom(from, to, idToUse);
        } else if (token.tokenType == TokenType.ERC1155) {
            uint idToUse = token.any ? tokenId : token.tokenId;
            IERC1155(token.tokenAddress).safeTransferFrom(from, to, idToUse, token.amount, "");
        }
    }

    function _transfer(address to, uint256 amount) internal {
        if (to == address(0)) revert NotZeroAddress();
        (bool success, ) = payable(to).call{value: amount}("");
        
        if (!success) revert FailedETHSend();
    }

    function getLatestListingId() external view returns (uint256) {
        return _listCount;
    }

    function getLatestBidId() external view returns (uint256) {
        return _bidCount;
    }

    function getFeeDetails(address token, uint256 tokenId, bool ignoreTokenId) external view returns (address, uint256, uint256) {
        address creatorAddress;
        uint royaltyFee;
        if (ignoreTokenId) {
            (creatorAddress, royaltyFee) = _royaltyConfig.getRoyaltyInfo(token);
        } else {
            (creatorAddress, royaltyFee) = _royaltyConfig.getRoyaltyInfoById(token, tokenId);
        }
        return (creatorAddress, royaltyFee, _feePct);
    }

    function getHandshakeId(address user, uint id) external view returns (uint256) {
        return _userHandshakes[user][id];
    }

    function getListingId(address user, uint id) external view returns (uint256) {
        return _userListings[user][id];
    }

    function getBidId(address user, uint id) external view returns (uint256) {
        return _userBids[user][id];
    }

    function transferETH(address payable to) external onlyOwner {
        _transfer(to, address(this).balance);
    }

    function getListingStatus(uint[] memory ids) external view returns (ListingStatus[] memory) {
        ListingStatus[] memory returnValues = new ListingStatus[](ids.length);

        for (uint256 i; i < ids.length;) {
            returnValues[i] = ListingStatus(ids[i], _listItems[ids[i]].status);
            unchecked {
                ++i;
            }
        }

        return returnValues; 
    }

}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.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 OwnableUpgradeable is Initializable, ContextUpgradeable {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal onlyInitializing {
        __Ownable_init_unchained();
    }

    function __Ownable_init_unchained() internal onlyInitializing {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(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");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822ProxiableUpgradeable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC1967.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
 *
 * _Available since v4.8.3._
 */
interface IERC1967Upgradeable {
    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Emitted when the beacon is changed.
     */
    event BeaconUpgraded(address indexed beacon);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeaconUpgradeable {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "../beacon/IBeaconUpgradeable.sol";
import "../../interfaces/IERC1967Upgradeable.sol";
import "../../interfaces/draft-IERC1822Upgradeable.sol";
import "../../utils/AddressUpgradeable.sol";
import "../../utils/StorageSlotUpgradeable.sol";
import "../utils/Initializable.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 */
abstract contract ERC1967UpgradeUpgradeable is Initializable, IERC1967Upgradeable {
    function __ERC1967Upgrade_init() internal onlyInitializing {
    }

    function __ERC1967Upgrade_init_unchained() internal onlyInitializing {
    }
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(AddressUpgradeable.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            AddressUpgradeable.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal {
        // Upgrades from old implementations will perform a rollback test. This test requires the new
        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
        // this special case will break upgrade paths from old UUPS implementation to new ones.
        if (StorageSlotUpgradeable.getBooleanSlot(_ROLLBACK_SLOT).value) {
            _setImplementation(newImplementation);
        } else {
            try IERC1822ProxiableUpgradeable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _upgradeToAndCall(newImplementation, data, forceCall);
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Returns the current beacon.
     */
    function _getBeacon() internal view returns (address) {
        return StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(AddressUpgradeable.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            AddressUpgradeable.isContract(IBeaconUpgradeable(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            AddressUpgradeable.functionDelegateCall(IBeaconUpgradeable(newBeacon).implementation(), data);
        }
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

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

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```solidity
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 *
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

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

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
     * constructor.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: setting the version to 255 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

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

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized != type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint8) {
        return _initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _initializing;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/UUPSUpgradeable.sol)

pragma solidity ^0.8.0;

import "../../interfaces/draft-IERC1822Upgradeable.sol";
import "../ERC1967/ERC1967UpgradeUpgradeable.sol";
import "./Initializable.sol";

/**
 * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
 * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
 *
 * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
 * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
 * `UUPSUpgradeable` with a custom implementation of upgrades.
 *
 * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
 *
 * _Available since v4.1._
 */
abstract contract UUPSUpgradeable is Initializable, IERC1822ProxiableUpgradeable, ERC1967UpgradeUpgradeable {
    function __UUPSUpgradeable_init() internal onlyInitializing {
    }

    function __UUPSUpgradeable_init_unchained() internal onlyInitializing {
    }
    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment
    address private immutable __self = address(this);

    /**
     * @dev Check that the execution is being performed through a delegatecall call and that the execution context is
     * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case
     * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a
     * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to
     * fail.
     */
    modifier onlyProxy() {
        require(address(this) != __self, "Function must be called through delegatecall");
        require(_getImplementation() == __self, "Function must be called through active proxy");
        _;
    }

    /**
     * @dev Check that the execution is not being performed through a delegate call. This allows a function to be
     * callable on the implementing contract but not through proxies.
     */
    modifier notDelegated() {
        require(address(this) == __self, "UUPSUpgradeable: must not be called through delegatecall");
        _;
    }

    /**
     * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the
     * implementation. It is used to validate the implementation's compatibility when performing an upgrade.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.
     */
    function proxiableUUID() external view virtual override notDelegated returns (bytes32) {
        return _IMPLEMENTATION_SLOT;
    }

    /**
     * @dev Upgrade the implementation of the proxy to `newImplementation`.
     *
     * Calls {_authorizeUpgrade}.
     *
     * Emits an {Upgraded} event.
     *
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function upgradeTo(address newImplementation) public virtual onlyProxy {
        _authorizeUpgrade(newImplementation);
        _upgradeToAndCallUUPS(newImplementation, new bytes(0), false);
    }

    /**
     * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call
     * encoded in `data`.
     *
     * Calls {_authorizeUpgrade}.
     *
     * Emits an {Upgraded} event.
     *
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {
        _authorizeUpgrade(newImplementation);
        _upgradeToAndCallUUPS(newImplementation, data, true);
    }

    /**
     * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by
     * {upgradeTo} and {upgradeToAndCall}.
     *
     * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.
     *
     * ```solidity
     * function _authorizeUpgrade(address) internal override onlyOwner {}
     * ```
     */
    function _authorizeUpgrade(address newImplementation) internal virtual;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

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

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

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

    uint256 private _status;

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

    function __ReentrancyGuard_init_unchained() internal onlyInitializing {
        _status = _NOT_ENTERED;
    }

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

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

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

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

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/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/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._
 * _Available since v4.9 for `string`, `bytes`._
 */
library StorageSlotUpgradeable {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` with member `value` located at `slot`.
     */
    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.
     */
    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` with member `value` located at `slot`.
     */
    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
     */
    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.19;

interface IERC20 {
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function decimals() external view returns (uint8);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    function transferFromWithPermit(address sender, address recipient, uint256 amount, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external returns (bool);
}

interface IERC20Metadata is IERC20 {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import "./IERC20.sol";

/// @title TransferHelper
/// @notice Contains helper methods for interacting with ERC20 tokens that do not consistently return true/false
library TransferHelper {
    /// @notice Transfers tokens from msg.sender to a recipient
    /// @dev Calls transfer on token contract, errors with TF if transfer fails
    /// @param token The contract address of the token which will be transferred
    /// @param to The recipient of the transfer
    /// @param value The value of the transfer
    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        (bool success, bytes memory data) =
            address(token).call(abi.encodeWithSelector(IERC20.transfer.selector, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), 'TF');
    }

    /// @notice Transfers tokens from msg.sender to a recipient
    /// @dev Calls transfer on token contract, errors with TF if transfer fails
    /// @param token The contract address of the token which will be transferred
    /// @param to The recipient of the transfer
    /// @param value The value of the transfer
    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        (bool success, bytes memory data) =
            address(token).call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), 'TF');
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

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DStreet.ListingStatus[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"getRoyaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getRoyaltyInfoById","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isFeeFreeAccount","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxiableUUID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"flag","type":"bool"}],"name":"setCheckForNFT","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"newAddress","type":"address"}],"name":"setFeeAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"feePct","type":"uint256"}],"name":"setFeePct","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"setFreeFeeNFTAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"decimals","type":"uint256"}],"name":"setHandshakeFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"paused","type":"bool"}],"name":"setPaused","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"configAddress","type":"address"}],"name":"setRoyaltyConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"wethAddress","type":"address"}],"name":"setWETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"to","type":"address"}],"name":"transferETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"}]

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