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Contract Name:
EarlyUnwindModule

Contract Source Code:

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

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() {
        _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 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 {
        _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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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`.
     *
     * 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;

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

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

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

// keccak256("wallet.YugaModule.lockedApe")
bytes32 constant APE_PLAN_LOCKER_SLOT = 0x010881fa8a1edce184936a8e4e08060bba49cb5145c9b396e6e80c0c6b0e1269;

// keccak256("wallet.ERC721Module.lockedERC721")
bytes32 constant CYAN_PLAN_LOCKER_SLOT_ERC721 = 0x25888debd3e1e584ccaebe1162c7763ec457a94078c5d0d9a1d32a926ff9973c;

// keccak256("wallet.ERC1155Module.lockedERC1155")
bytes32 constant CYAN_PLAN_LOCKER_SLOT_ERC1155 = 0xdcc609ac7fc3b6a216ce1445788736c9dbe88a58b25a13af71623e6da931efa0;

// keccak256("wallet.CryptoPunksModule.lockedCryptoPunks")
bytes32 constant CRYPTO_PUNKS_PLAN_LOCKER_SLOT = 0x67ae504a494a1bd5120fdcd8b3565de046d61ac7bb95311090f1976ec179a99a;

struct ApePlanLocker {
    /// @notice Map of the locked tokens.
    ///     Note: Collection Address => Token ID => Lock state
    mapping(address => mapping(uint256 => uint8)) tokens;
}

struct CyanPlanLockerERC721 {
    /// @notice Locked tokens count of the collection.
    ///     Note: Collection Address => Number of locked tokens
    mapping(address => uint256) count;
    /// @notice Map of the locked tokens.
    ///     Note: Collection Address => Token ID => isLocked
    mapping(address => mapping(uint256 => bool)) tokens;
}

struct CyanPlanLockerCryptoPunks {
    /// @notice Locked tokens count of the CryptoPunks.
    ///     Note: Number of locked tokens
    uint256 count;
    /// @notice Map of the locked tokens.
    ///     Note: CryptoPunk index => isLocked
    mapping(uint256 => bool) tokens;
}

struct CyanPlanLockerERC1155 {
    /// @notice Map of the locked ERC1155 tokens.
    ///     Note: Collection Address => Token ID => amount
    mapping(address => mapping(uint256 => uint256)) tokens;
}

/// @notice Checks whether the NFT is locked or not. This method checks both ERC721 lock and ApePlan lock.
/// @param collection Collection address.
/// @param tokenId Token ID.
/// @return isLocked Whether the token is locked or not.
function isLockedERC721(address collection, uint256 tokenId) view returns (bool) {
    return isLockedByCyanPlanERC721(collection, tokenId) || isLockedByApePlan(collection, tokenId);
}

/// @notice Checks whether the ERC721 token is locked or not.
/// @param collection Collection address.
/// @param tokenId Token ID.
/// @return isLocked Whether the token is locked or not.
function isLockedByCyanPlanERC721(address collection, uint256 tokenId) view returns (bool) {
    return getCyanPlanLockerERC721().tokens[collection][tokenId];
}

/// @notice Checks whether the CryptoPunks token is locked or not.
/// @param tokenId Token ID.
/// @return isLocked Whether the token is locked or not.
function isLockedByCryptoPunkPlan(uint256 tokenId) view returns (bool) {
    return getCyanPlanLockerCryptoPunks().tokens[tokenId];
}

/// @notice Checks whether the BAYC, MAYC or BAKC token is locked or not.
/// @param collection Ape collection address.
/// @param tokenId Token ID.
/// @return isLocked Whether the token is ape locked or not.
function isLockedByApePlan(address collection, uint256 tokenId) view returns (bool) {
    return getApePlanLocker().tokens[collection][tokenId] != 0;
}

/// @notice Returns amount of locked ERC1155Token items.
/// @param collection Collection address.
/// @param tokenId Token ID.
/// @return isLocked Whether the token is locked or not.
function getLockedERC1155Amount(address collection, uint256 tokenId) view returns (uint256) {
    return getCyanPlanLockerERC1155().tokens[collection][tokenId];
}

/// @notice Returns ape lock state.
/// @param collection Ape collection address.
/// @param tokenId Token ID.
/// @return Ape locks state.
function getApeLockState(address collection, uint256 tokenId) view returns (uint8) {
    return getApePlanLocker().tokens[collection][tokenId];
}

/// @dev Returns the map of the locked ERC721 tokens.
/// @return result CyanPlanLockerERC721 struct of the locked tokens.
///     Note: Collection Address => Token ID => isLocked
function getCyanPlanLockerERC721() pure returns (CyanPlanLockerERC721 storage result) {
    assembly {
        result.slot := CYAN_PLAN_LOCKER_SLOT_ERC721
    }
}

/// @dev Returns the map of the locked ERC1155 tokens.
/// @return result CyanPlanERC1155Locker struct of the locked tokens.
///     Note: Collection Address => Token ID => locked amount
function getCyanPlanLockerERC1155() pure returns (CyanPlanLockerERC1155 storage result) {
    assembly {
        result.slot := CYAN_PLAN_LOCKER_SLOT_ERC1155
    }
}

/// @dev Returns the map of the locked Crypto Punks.
/// @return result CryptoPunksPlanLocker struct of the locked tokens.
///     Note: CryptoPunk index => isLocked
function getCyanPlanLockerCryptoPunks() pure returns (CyanPlanLockerCryptoPunks storage result) {
    assembly {
        result.slot := CRYPTO_PUNKS_PLAN_LOCKER_SLOT
    }
}

/// @dev Returns the map of the locked tokens.
/// @return result ApePlanLocker struct of the locked tokens.
///     Note: Collection Address => Token ID => Lock state
function getApePlanLocker() pure returns (ApePlanLocker storage result) {
    assembly {
        result.slot := APE_PLAN_LOCKER_SLOT
    }
}

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

library Utils {
    /// @notice Executes a transaction to the given address.
    /// @param to Target address.
    /// @param value Native token value to be sent to the address.
    /// @param data Data to be sent to the address.
    /// @return result Result of the transaciton.
    function _execute(
        address to,
        uint256 value,
        bytes memory data
    ) internal returns (bytes memory result) {
        assembly {
            let success := call(gas(), to, value, add(data, 0x20), mload(data), 0, 0)

            mstore(result, returndatasize())
            returndatacopy(add(result, 0x20), 0, returndatasize())

            if eq(success, 0) {
                revert(add(result, 0x20), returndatasize())
            }
        }
    }

    /// @notice Recover signer address from signature.
    /// @param signedHash Arbitrary length data signed on the behalf of the wallet.
    /// @param signature Signature byte array associated with signedHash.
    /// @return Recovered signer address.
    function recoverSigner(bytes32 signedHash, bytes memory signature) internal pure returns (address) {
        uint8 v;
        bytes32 r;
        bytes32 s;
        // we jump 32 (0x20) as the first slot of bytes contains the length
        // we jump 65 (0x41) per signature
        // for v we load 32 bytes ending with v (the first 31 come from s) then apply a mask
        assembly {
            r := mload(add(signature, 0x20))
            s := mload(add(signature, 0x40))
            v := byte(0, mload(add(signature, 0x60)))
        }
        require(v == 27 || v == 28, "Bad v value in signature.");

        address recoveredAddress = ecrecover(signedHash, v, r, s);
        require(recoveredAddress != address(0), "ecrecover returned 0.");
        return recoveredAddress;
    }

    /// @notice Helper method to parse the function selector from data.
    /// @param data Any data to be parsed, mostly calldata of transaction.
    /// @return result Parsed function sighash.
    function parseFunctionSelector(bytes memory data) internal pure returns (bytes4 result) {
        require(data.length >= 4, "Invalid data.");
        assembly {
            result := mload(add(data, 0x20))
        }
    }

    /// @notice Parse uint256 from given data.
    /// @param data Any data to be parsed, mostly calldata of transaction.
    /// @param position Position in the data.
    /// @return result Uint256 parsed from given data.
    function getUint256At(bytes memory data, uint8 position) internal pure returns (uint256 result) {
        assembly {
            result := mload(add(data, add(position, 0x20)))
        }
    }
}

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

interface IModule {
    /// @notice Executes given transaction data to given address.
    /// @param to Target contract address.
    /// @param value Value of the given transaction.
    /// @param data Calldata of the transaction.
    /// @return Result of the execution.
    function handleTransaction(
        address to,
        uint256 value,
        bytes calldata data
    ) external payable returns (bytes memory);
}

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

import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";

/// @title Cyan AddressProvider contract
/// @author Bulgantamir Gankhuyag - <[email protected]>
/// @author Naranbayar Uuganbayar - <[email protected]>
contract AddressProvider is Ownable {
    error AddressNotFound(bytes32 id);

    event AddressSet(bytes32 id, address newAddress);

    mapping(bytes32 => address) public addresses;

    constructor(address owner) {
        transferOwnership(owner);
    }

    // @dev Sets an address for an id replacing the address saved in the addresses map
    // @param id The id
    // @param newAddress The address to set
    function setAddress(bytes32 id, address newAddress) external onlyOwner {
        addresses[id] = newAddress;
        emit AddressSet(id, newAddress);
    }
}

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

// DataTypes
enum PawnCreateType {
    REGULAR,
    BEND_DAO,
    REFINANCE
}
enum PaymentPlanStatus {
    BNPL_CREATED,
    BNPL_FUNDED,
    BNPL_ACTIVE,
    BNPL_DEFAULTED,
    BNPL_REJECTED,
    BNPL_COMPLETED,
    BNPL_LIQUIDATED,
    PAWN_ACTIVE,
    PAWN_DEFAULTED,
    PAWN_COMPLETED,
    PAWN_LIQUIDATED
}
struct Plan {
    uint256 amount;
    uint32 downPaymentPercent;
    uint32 interestRate;
    uint32 serviceFeeRate;
    uint32 term;
    uint8 totalNumberOfPayments;
    uint8 counterPaidPayments;
    uint8 autoRepayStatus;
}
struct PaymentPlan {
    Plan plan;
    uint256 createdDate;
    address cyanWalletAddress;
    PaymentPlanStatus status;
}

struct Item {
    uint256 amount;
    uint256 tokenId;
    address contractAddress;
    address cyanVaultAddress;
    // 1 -> ERC721
    // 2 -> ERC1155
    // 3 -> CryptoPunks
    uint8 itemType;
}

struct PaymentAmountInfo {
    uint256 loanAmount;
    uint256 interestAmount;
    uint256 serviceAmount;
}

// Errors
error InvalidSender();
error InvalidBlockNumber();
error InvalidSignature();
error InvalidServiceFeeRate();
error InvalidTokenPrice();
error InvalidInterestRate();
error InvalidDownPaymentPercent();
error InvalidDownPayment();
error InvalidAmount();
error InvalidTerm();
error InvalidPaidCount();
error InvalidStage();
error InvalidAddress();
error InvalidAutoRepaymentDate();
error InvalidAutoRepaymentStatus();
error InvalidTotalNumberOfPayments();
error InvalidReviveDate();
error InvalidItem();
error InvalidBaseDiscountRate();
error InvalidApeCoinPlan();
error InvalidBendDaoPlan();
error InvalidCurrency();
error InvalidCyanBuyer();
error InvalidSelector();

error EthTransferFailed();

error PaymentPlanAlreadyExists();
error PaymentPlanNotFound();

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

import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

import "../interfaces/core/IModule.sol";
import "../helpers/Utils.sol";
import "../thirdparty/opensea/ISeaport.sol";
import "../core/Lockers.sol" as Lockers;
import "../main/payment-plan/PaymentPlanTypes.sol";
import { AddressProvider } from "../main/AddressProvider.sol";

/// @title Cyan Wallet EarlyUnwindModule Module for OpenSea
/// @author Bulgantamir Gankhuyag - <[email protected]>
/// @author Naranbayar Uuganbayar - <[email protected]>
/// @author Munkhzul Boldbaatar
contract EarlyUnwindModule is IModule {
    AddressProvider private constant addressProvider = AddressProvider(0xCF9A19D879769aDaE5e4f31503AAECDa82568E55);

    /// @inheritdoc IModule
    function handleTransaction(
        address collection,
        uint256 value,
        bytes calldata data
    ) public payable override returns (bytes memory) {
        return Utils._execute(collection, value, data);
    }

    /// @notice Allows operators to sell the locked token for Opensea offer.
    ///     Note: Can only sell if token is locked.
    function earlyUnwindOpensea(
        uint256 payAmount,
        uint256 sellPrice,
        Item calldata item,
        bytes calldata osData
    ) external {
        require(item.itemType == 1, "Item type must be ERC721");
        IERC20 currency = IERC20(addressProvider.addresses("WETH"));
        IERC721 collection = IERC721(item.contractAddress);

        require(!Lockers.isLockedByApePlan(item.contractAddress, item.tokenId), "Token has ape lock");
        require(collection.ownerOf(item.tokenId) == address(this), "Token is not owned by the wallet");

        uint256 userBalance = currency.balanceOf(address(this));
        {
            collection.approve(addressProvider.addresses("SEAPORT_CONDUIT"), item.tokenId);
            Utils._execute(addressProvider.addresses("SEAPORT_1_5"), 0, osData);
        }
        require(!Lockers.isLockedByApePlan(item.contractAddress, item.tokenId), "Token has ape lock");
        require(userBalance + sellPrice == currency.balanceOf(address(this)), "Insufficient balance");
        require(collection.ownerOf(item.tokenId) != address(this), "Token is owned by the wallet");
        currency.approve(msg.sender, payAmount);
    }

    /// @notice Allows operators to sell the locked token for Cyan offer.
    ///     Note: Can only sell if token is locked.
    function earlyUnwindCyan(uint256 payAmount, address currencyAddress) external {
        IERC20 currency = IERC20(currencyAddress == address(0) ? addressProvider.addresses("WETH") : currencyAddress);
        currency.approve(msg.sender, payAmount);
    }
}

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

/// @title Seaport Contract interface
interface ISeaport {
    enum OrderType {
        FULL_OPEN,
        PARTIAL_OPEN,
        FULL_RESTRICTED,
        PARTIAL_RESTRICTED,
        CONTRACT
    }
    enum ItemType {
        NATIVE,
        ERC20,
        ERC721,
        ERC1155,
        ERC721_WITH_CRITERIA,
        ERC1155_WITH_CRITERIA
    }
    enum Side {
        OFFER,
        CONSIDERATION
    }

    struct OfferItem {
        ItemType itemType;
        address token;
        uint256 identifierOrCriteria;
        uint256 startAmount;
        uint256 endAmount;
    }
    struct ConsiderationItem {
        ItemType itemType;
        address token;
        uint256 identifierOrCriteria;
        uint256 startAmount;
        uint256 endAmount;
        address payable recipient;
    }
    struct OrderParameters {
        address offerer;
        address zone;
        OfferItem[] offer;
        ConsiderationItem[] consideration;
        OrderType orderType;
        uint256 startTime;
        uint256 endTime;
        bytes32 zoneHash;
        uint256 salt;
        bytes32 conduitKey;
        uint256 totalOriginalConsiderationItems;
    }
    struct FulfillmentComponent {
        uint256 orderIndex;
        uint256 itemIndex;
    }
    struct Fulfillment {
        FulfillmentComponent[] offerComponents;
        FulfillmentComponent[] considerationComponents;
    }
    struct CriteriaResolver {
        uint256 orderIndex;
        Side side;
        uint256 index;
        uint256 identifier;
        bytes32[] criteriaProof;
    }
    struct AdvancedOrder {
        OrderParameters parameters;
        uint120 numerator;
        uint120 denominator;
        bytes signature;
        bytes extraData;
    }
    struct ReceivedItem {
        ItemType itemType;
        address token;
        uint256 identifier;
        uint256 amount;
        address payable recipient;
    }
    struct Execution {
        ReceivedItem item;
        address offerer;
        bytes32 conduitKey;
    }

    struct OfferData {
        AdvancedOrder[] orders;
        CriteriaResolver[] criteriaResolvers;
        Fulfillment[] fulfillments;
        address recipient;
    }

    function matchAdvancedOrders(
        AdvancedOrder[] calldata orders,
        CriteriaResolver[] calldata criteriaResolvers,
        Fulfillment[] calldata fulfillments,
        address recipient
    ) external payable returns (Execution[] calldata executions);
}

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