Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

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

import "@openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
import "./helpers/FlashLoanReceiverBase.sol";
import "./interfaces/IWETH.sol";

//"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";

contract Buyer is FlashLoanReceiverBase, Ownable, ERC721Holder, ERC165 {
    address public constant SEAPORT =
        0x00000000006c3852cbEf3e08E8dF289169EdE581;
    address public constant OPENSEA_CONDUIT =
        0x1E0049783F008A0085193E00003D00cd54003c71;
    address public immutable marketplace;
    uint256 public feePerTenThousand;
    IWETH weth;
    address seller;
    bytes transactionData;

    event FlashloanGranted(address seller, address provider, uint256 amount);

    constructor(address marketplace_, address wethApprovalSeeker_, uint feePerTenThousand_, ILendingPoolAddressesProvider provider, IWETH weth_)
        FlashLoanReceiverBase(provider)
    {
        weth = weth_;
        marketplace = marketplace_;
        feePerTenThousand = feePerTenThousand_;
        weth.approve(wethApprovalSeeker_, 10e10 ether);
    }

    event Received(address, uint256);

    receive() external payable {
        emit Received(msg.sender, msg.value);
    }

    function executeOperation(
        address[] calldata assets,
        uint256[] calldata amounts,
        uint256[] calldata premiums,
        address initiator,
        bytes calldata params
    ) external override returns (bool) {
        emit FlashloanGranted(seller, initiator, amounts[0]);
        //
        // This contract now has the funds requested.
        // Your logic goes here.
        //

        // At the end of your logic above, this contract owes
        // the flashloaned amounts + premiums.
        // Therefore ensure your contract has enough to repay
        // these amounts.

        // buy the nft from marketplace
        // weth.transfer(seller, amounts[0] - marketplaceFees);

        // purchase nft from marketplace
        (bool success, ) = marketplace.call(transactionData);
        require(success, "marketplace transaction failed");

        uint256 marketplaceFees = (amounts[0] * feePerTenThousand) / 10000;

        // after buying the nft from marketplace get the amount from the seller using pre approved manner
        weth.transferFrom(seller, address(this), amounts[0] - marketplaceFees);

        // Approve the LendingPool contract allowance to *pull* the owed amount
        for (uint256 i = 0; i < assets.length; i++) {
            uint256 amountOwing = amounts[i] + premiums[i];
            IERC20(assets[i]).approve(address(LENDING_POOL), amountOwing);
        }

        return true;
    }

    function myFlashLoanCall(
        address seller_,
        bytes calldata transactionData_,
        uint256 amount
    ) public {
        seller = seller_;
        transactionData = transactionData_;
        address receiverAddress = address(this);

        address[] memory assets = new address[](1);
        assets[0] = address(weth);

        uint256[] memory amounts = new uint256[](1);
        amounts[0] = amount;

        // 0 = no debt, 1 = stable, 2 = variable
        uint256[] memory modes = new uint256[](1);
        modes[0] = 0;

        address onBehalfOf = address(this);
        bytes memory params = "";
        uint16 referralCode = 0;

        LENDING_POOL.flashLoan(
            receiverAddress,
            assets,
            amounts,
            modes,
            onBehalfOf,
            params,
            referralCode
        );
    }

    function withdraw() public onlyOwner {
        uint256 balance = weth.balanceOf(address(this));
        weth.transfer(msg.sender, balance);
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override
        returns (bool)
    {
        return
            super.supportsInterface(interfaceId) ||
            interfaceId == type(IERC721Receiver).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/utils/ERC721Holder.sol)

pragma solidity ^0.8.0;

import "../IERC721Receiver.sol";

/**
 * @dev Implementation of the {IERC721Receiver} interface.
 *
 * Accepts all token transfers.
 * Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or {IERC721-setApprovalForAll}.
 */
contract ERC721Holder is IERC721Receiver {
    /**
     * @dev See {IERC721Receiver-onERC721Received}.
     *
     * Always returns `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address,
        address,
        uint256,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC721Received.selector;
    }
}

// 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 v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8;

import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

import "../interfaces/IFlashLoanReceiver.sol";
import "../interfaces/ILendingPoolAddressProvider.sol";
import "../interfaces/ILendingPool.sol";

abstract contract FlashLoanReceiverBase is IFlashLoanReceiver {
    using SafeERC20 for IERC20;
    using SafeMath for uint256;

    ILendingPoolAddressesProvider public immutable ADDRESSES_PROVIDER;
    ILendingPool public immutable LENDING_POOL;

    constructor(ILendingPoolAddressesProvider provider) {
        ADDRESSES_PROVIDER = provider;
        LENDING_POOL = ILendingPool(provider.getLendingPool());
    }
}

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

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

interface IWETH is IERC20 {
    function deposit() external payable;

    function withdraw(uint256 amount) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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
// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// 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/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

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

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

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

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

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

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

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

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

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8;

interface IFlashLoanReceiver {
    function executeOperation(
        address[] calldata assets,
        uint256[] calldata amounts,
        uint256[] calldata premiums,
        address initiator,
        bytes calldata params
    ) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8;

interface ILendingPoolAddressesProvider {
    function getLendingPool() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8;

interface ILendingPool {
    function flashLoan(
        address receiverAddress,
        address[] calldata assets,
        uint256[] calldata amounts,
        uint256[] calldata modes,
        address onBehalfOf,
        bytes calldata params,
        uint16 referralCode
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

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

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

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

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"marketplace_","type":"address"},{"internalType":"address","name":"wethApprovalSeeker_","type":"address"},{"internalType":"uint256","name":"feePerTenThousand_","type":"uint256"},{"internalType":"contract ILendingPoolAddressesProvider","name":"provider","type":"address"},{"internalType":"contract IWETH","name":"weth_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"seller","type":"address"},{"indexed":false,"internalType":"address","name":"provider","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"FlashloanGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"","type":"address"},{"indexed":false,"internalType":"uint256","name":"","type":"uint256"}],"name":"Received","type":"event"},{"inputs":[],"name":"ADDRESSES_PROVIDER","outputs":[{"internalType":"contract ILendingPoolAddressesProvider","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LENDING_POOL","outputs":[{"internalType":"contract ILendingPool","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OPENSEA_CONDUIT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SEAPORT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"assets","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"uint256[]","name":"premiums","type":"uint256[]"},{"internalType":"address","name":"initiator","type":"address"},{"internalType":"bytes","name":"params","type":"bytes"}],"name":"executeOperation","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feePerTenThousand","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"marketplace","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"seller_","type":"address"},{"internalType":"bytes","name":"transactionData_","type":"bytes"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"myFlashLoanCall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC721Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

00000000000000000000000059728544b08ab483533076417fbbb2fd0b17ce3a00000000000000000000000059728544b08ab483533076417fbbb2fd0b17ce3a00000000000000000000000000000000000000000000000000000000000000c8000000000000000000000000b53c1a33016b2dc2ff3653530bff1848a515c8c5000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2

-----Decoded View---------------
Arg [0] : marketplace_ (address): 0x59728544B08AB483533076417FbBB2fD0B17CE3a
Arg [1] : wethApprovalSeeker_ (address): 0x59728544B08AB483533076417FbBB2fD0B17CE3a
Arg [2] : feePerTenThousand_ (uint256): 200
Arg [3] : provider (address): 0xB53C1a33016B2DC2fF3653530bfF1848a515c8c5
Arg [4] : weth_ (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 00000000000000000000000059728544b08ab483533076417fbbb2fd0b17ce3a
Arg [1] : 00000000000000000000000059728544b08ab483533076417fbbb2fd0b17ce3a
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000c8
Arg [3] : 000000000000000000000000b53c1a33016b2dc2ff3653530bff1848a515c8c5
Arg [4] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2