Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "../interfaces/IShadowV2Router.sol";
import "../interfaces/IShadowFactory.sol";
import "../interfaces/IMiningProtocol.sol";
import "../interfaces/IWETH.sol";
import "../interfaces/ISink.sol";

/**
 * @title SinkBuyAndBurn
 * @dev 处理SINK生态系统中S奖励的回购销毁逻辑
 * - 50% 回购MLH并发送到Sink合约永久质押
 * - 50% 回购SINK并销毁
 * 注：8%的生态基金份额已在Sink合约中处理
 */
contract SinkBuyAndBurn is ReentrancyGuard, Ownable {
    using SafeERC20 for IERC20;
    using Address for address payable;

    // ======== 常量 ========

    /// @dev 回购MLH并永久质押的比例
    uint256 public constant BUY_MLH_PERCENT = 50;

    /// @dev 回购SINK并销毁的比例
    uint256 public constant BUY_SINK_PERCENT = 50;

    /// @dev 百分比基数
    uint256 public constant PERCENT_DENOMINATOR = 100;

    /// @dev 滑点容差(0.5%)
    uint256 public constant SLIPPAGE_TOLERANCE = 50;

    /// @dev 滑点基数
    uint256 public constant SLIPPAGE_DENOMINATOR = 10000;

    /// @dev 辅助计算参数
    uint256 public constant PERCENT_BPS = 100_00;

    // ======== 状态变量 ========

    /// @dev SINK合约地址 (Sink.sol既是代币也是功能合约)
    address public sinkContract;

    /// @dev MLH代币地址
    address public mlhToken;

    /// @dev WETH代币地址(Sonic链上的原生代币包装)
    address public weth;

    /// @dev MLH挖矿合约地址
    address public miningProtocolAddress;

    /// @dev Shadow V2 Router地址
    IShadowV2Router public shadowRouter;

    /// @dev 上次操作时间戳
    uint256 public lastOperationTime;

    /// @dev 操作冷却时间(默认15分钟)
    uint256 public cooldownPeriod = 900;

    /// @dev 上次回购SINK的时间戳
    uint256 public lastSinkBuyTime;

    /// @dev SINK回购间隔时间(默认15分钟)
    uint256 public sinkBuyInterval = 900;

    /// @dev 单次SINK回购金额上限(默认15 S)
    uint256 public maxSinkBuyAmount = 20 ether;

    /// @dev 待回购SINK的S数量
    uint256 public pendingSinkBuyAmount;

    /// @dev 总共回购并发送到Sink合约的MLH数量
    uint256 public totalMlhBought;

    /// @dev 总共回购并销毁的SINK数量
    uint256 public totalSinkBoughtAndBurned;

    /// @dev 回购MLH路径(ETH -> MLH)稳定对标志
    bool public mlhStableRoute = false;

    /// @dev 回购SINK路径(ETH -> SINK)稳定对标志
    bool public sinkStableRoute = false;

    /// @dev 回购暂停标志
    bool public isPaused = false;

    // ======== 事件 ========

    /// @dev S奖励分配事件
    event RewardsDistributed(
        uint256 indexed totalAmount,
        uint256 mlhBuyAmount,
        uint256 sinkBuyAmount
    );

    /// @dev MLH回购并发送到Sink合约事件
    event MlhBoughtAndSent(uint256 indexed ethSpent, uint256 mlhAmount);

    /// @dev SINK回购并销毁事件
    event SinkBoughtAndBurned(uint256 indexed ethSpent, uint256 sinkAmount);

    /// @dev 冷却时间更新事件
    event CooldownPeriodUpdated(uint256 indexed newPeriod);

    /// @dev 稳定路由设置事件
    event StableRouteUpdated(address indexed token, bool indexed isStable);

    /// @dev wS解包事件
    event WethUnwrapped(uint256 indexed amount);

    modifier onlyEOA() {
        require(tx.origin == msg.sender, "Only EOA can call this function");
        _;
    }

    /**
     * @dev 构造函数
     * @param _sinkContract SINK合约地址 (Sink.sol)
     * @param _mlhToken MLH代币地址
     * @param _miningProtocolAddress MLH挖矿协议地址
     * @param _shadowRouter Shadow V2 Router地址
     */
    constructor(
        address _sinkContract,
        address _mlhToken,
        address _miningProtocolAddress,
        address _shadowRouter
    ) Ownable() {
        require(
            _sinkContract != address(0),
            "SINK contract address cannot be zero"
        );
        require(_mlhToken != address(0), "MLH token address cannot be zero");
        require(
            _miningProtocolAddress != address(0),
            "Mining protocol address cannot be zero"
        );
        require(
            _shadowRouter != address(0),
            "Shadow router address cannot be zero"
        );

        sinkContract = _sinkContract;
        mlhToken = _mlhToken;
        miningProtocolAddress = _miningProtocolAddress;
        shadowRouter = IShadowV2Router(_shadowRouter);

        // 获取WETH地址
        weth = shadowRouter.WETH();

        // 初始化最后操作时间为部署时间
        lastOperationTime = block.timestamp;
    }

    /**
     * @dev 执行S奖励分配，回购MLH并发送到Sink合约，累计用于回购SINK的金额
     * @notice 任何人都可以调用，但有冷却时间限制
     */
    function distributeRewards() external nonReentrant onlyEOA {
        // 检查冷却时间
        require(
            block.timestamp >= lastOperationTime + cooldownPeriod,
            "Cooldown period not passed"
        );

        // 更新最后操作时间
        lastOperationTime = block.timestamp;

        // 处理可能的wS (包装的S)
        uint256 wethBalance = IERC20(weth).balanceOf(address(this));
        if (wethBalance > 0) {
            _unwrapWETH(wethBalance);
        }

        // 获取新增的S奖励 (排除掉已经分配给SINK回购的部分)
        uint256 totalBalance = address(this).balance;
        require(
            totalBalance > pendingSinkBuyAmount,
            "No new rewards to distribute"
        );

        uint256 newRewardsAmount = totalBalance - pendingSinkBuyAmount;
        require(newRewardsAmount > 0, "No new rewards to distribute");

        // 计算分配金额
        uint256 mlhBuyAmount = (newRewardsAmount * BUY_MLH_PERCENT) /
            PERCENT_DENOMINATOR;
        uint256 sinkBuyAmount = newRewardsAmount - mlhBuyAmount;

        // 执行MLH回购并发送到Sink合约
        if (mlhBuyAmount > 0) {
            _buyAndSendMlhToSink(mlhBuyAmount);
        }

        // 累加到待回购SINK的金额
        if (sinkBuyAmount > 0) {
            pendingSinkBuyAmount += sinkBuyAmount;
        }

        emit RewardsDistributed(newRewardsAmount, mlhBuyAmount, sinkBuyAmount);
    }

    /**
     * @dev 执行SINK回购
     * @notice 任何人都可以调用，但有时间间隔限制
     */
    function executeSinkBuy() external nonReentrant onlyEOA {
        require(!isPaused, "Buyback is paused");
        // 检查回购间隔
        require(
            block.timestamp >= lastSinkBuyTime + sinkBuyInterval,
            "SINK buy interval not passed"
        );

        // 检查是否有待回购金额
        require(pendingSinkBuyAmount > 0, "No pending SINK buy amount");

        // 计算本次回购金额
        uint256 buyAmount = pendingSinkBuyAmount;
        if (buyAmount > maxSinkBuyAmount) {
            buyAmount = maxSinkBuyAmount;
        }

        // 更新待回购金额和上次回购时间
        pendingSinkBuyAmount -= buyAmount;
        lastSinkBuyTime = block.timestamp;

        // 执行SINK回购
        _buyAndBurnSink(buyAmount);
    }

    /**
     * @dev 设置SINK回购参数
     * @param _interval 新的回购间隔时间(秒)
     * @param _maxAmount 新的单次回购金额上限
     * @notice 只有管理员可调用
     */
    function setSinkBuyParams(
        uint256 _interval,
        uint256 _maxAmount
    ) external onlyOwner {
        require(_interval >= 60, "Interval too short");
        require(_interval <= 1 days, "Interval too long");
        require(_maxAmount > 0, "Max amount must be greater than 0");

        sinkBuyInterval = _interval;
        maxSinkBuyAmount = _maxAmount;
    }

    /**
     * @dev 解包WETH为ETH
     * @param amount 要解包的WETH数量
     */
    function _unwrapWETH(uint256 amount) internal {
        IERC20(weth).approve(weth, amount);
        IWETH(weth).withdraw(amount);
        emit WethUnwrapped(amount);
    }

    /**
     * @dev 获取S到MLH的交易路径
     * @return 交易路径
     */
    function getPathForETHtoMLH()
        internal
        view
        returns (IUniswapV2Router01.route[] memory)
    {
        // S直接到MLH的路径
        IUniswapV2Router01.route[] memory path = new IUniswapV2Router01.route[](
            1
        );
        path[0] = IUniswapV2Router01.route({
            from: weth, // S(ETH)
            to: mlhToken,
            stable: mlhStableRoute
        });
        return path;
    }

    /**
     * @dev 获取S到SINK的交易路径
     * @return 交易路径
     */
    function getPathForETHtoSINK()
        internal
        view
        returns (IUniswapV2Router01.route[] memory)
    {
        // S到SINK需要经过MLH：S -> MLH -> SINK
        IUniswapV2Router01.route[] memory path = new IUniswapV2Router01.route[](
            2
        );

        // 第一步：S -> MLH
        path[0] = IUniswapV2Router01.route({
            from: weth,
            to: mlhToken,
            stable: mlhStableRoute
        });

        // 第二步：MLH -> SINK
        path[1] = IUniswapV2Router01.route({
            from: mlhToken,
            to: sinkContract,
            stable: sinkStableRoute
        });

        return path;
    }

    /**
     * @dev 使用S回购MLH并发送到Sink合约
     * @param amount S数量
     */
    function _buyAndSendMlhToSink(uint256 amount) internal {
        // 创建交易路径
        IUniswapV2Router01.route[] memory path = getPathForETHtoMLH();

        // // 计算预期输出量
        // uint256[] memory amountsOut = shadowRouter.getAmountsOut(amount, path);
        // uint256 expectedMlhAmount = amountsOut[amountsOut.length - 1];

        // 执行交换
        uint256[] memory receivedAmounts = shadowRouter.swapExactETHForTokens{
            value: amount
        }(
            0, // 不设置最小数量
            path,
            address(this),
            block.timestamp + 600 // deadline: 当前时间+10分钟
        );

        uint256 mlhReceived = receivedAmounts[receivedAmounts.length - 1];

        // 发送MLH到Sink合约用于永久质押
        IERC20(mlhToken).transfer(sinkContract, mlhReceived);
        ISink(sinkContract).stakeAllMlh();

        // 更新统计
        totalMlhBought += mlhReceived;

        emit MlhBoughtAndSent(amount, mlhReceived);
    }

    /**
     * @dev 使用S回购SINK并销毁
     * @param amount S数量
     */
    function _buyAndBurnSink(uint256 amount) internal {
        // 创建交易路径
        IUniswapV2Router01.route[] memory path = getPathForETHtoSINK();
        // 执行交换
        uint256[] memory receivedAmounts = shadowRouter.swapExactETHForTokens{
            value: amount
        }(
            0, // 不设置最小数量
            path,
            address(this),
            block.timestamp + 600 // deadline: 当前时间+10分钟
        );

        uint256 sinkReceived = receivedAmounts[receivedAmounts.length - 1];

        // 销毁SINK
        IERC20(sinkContract).transfer(address(0xdead), sinkReceived);

        // 更新统计
        totalSinkBoughtAndBurned += sinkReceived;

        emit SinkBoughtAndBurned(amount, sinkReceived);
    }

    /**
     * @dev 设置冷却时间
     * @param newPeriod 新的冷却时间(秒)
     * @notice 只有管理员可调用
     */
    function setCooldownPeriod(uint256 newPeriod) external onlyOwner {
        require(newPeriod <= 1 days, "Cooldown period too long");
        cooldownPeriod = newPeriod;
        emit CooldownPeriodUpdated(newPeriod);
    }

    /**
     * @dev 设置MLH的稳定路由标志
     * @param isStable 是否为稳定路由
     */
    function setMlhStableRoute(bool isStable) external onlyOwner {
        mlhStableRoute = isStable;
        emit StableRouteUpdated(mlhToken, isStable);
    }

    /**
     * @dev 设置SINK的稳定路由标志
     * @param isStable 是否为稳定路由
     */
    function setSinkStableRoute(bool isStable) external onlyOwner {
        sinkStableRoute = isStable;
        emit StableRouteUpdated(sinkContract, isStable);
    }

    /**
     * @dev 更新Sink合约地址
     * @param newSinkContract 新的Sink合约地址
     */
    function setSinkContract(address newSinkContract) external onlyOwner {
        require(newSinkContract != address(0), "New address cannot be zero");
        sinkContract = newSinkContract;
    }

    /**
     * @dev 更新MLH挖矿合约地址
     * @param newAddress 新的MLH挖矿合约地址
     */
    function setMiningProtocolAddress(address newAddress) external onlyOwner {
        require(newAddress != address(0), "New address cannot be zero");
        miningProtocolAddress = newAddress;
    }

    /**
     * @dev 暂停回购
     */
    function pauseBuyback(bool _isPaused) external onlyOwner {
        isPaused = _isPaused;
    }

    /**
     * @dev 手动将WETH转换为ETH
     * @notice 任何人都可以调用此函数将合约中的WETH转换为ETH
     */
    function unwrapAllWETH() external nonReentrant onlyOwner {
        uint256 wethBalance = IERC20(weth).balanceOf(address(this));
        require(wethBalance > 0, "No WETH to unwrap");

        _unwrapWETH(wethBalance);
    }

    /// @dev Register my contract on Sonic FeeM
    function registerMe() external {
        (bool _success, ) = address(0xDC2B0D2Dd2b7759D97D50db4eabDC36973110830)
            .call(abi.encodeWithSignature("selfRegister(uint256)", 164));
        require(_success, "FeeM registration failed");
    }

    /**
     * @dev 接收原生代币的回调函数
     */
    receive() external payable {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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. 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);
    }
}

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

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/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 v4.9.0) (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 v4.9.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/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;

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    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));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    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");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Compatible with tokens that require the approval to be set to
     * 0 before setting it to a non-zero value.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    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");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation 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).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // 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 cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return
            success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
    }
}

// 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 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
     *
     * 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;

/**
 * @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: Unlicense
pragma solidity ^0.8.0;

// /** @notice Burn stake and creates Proof-Of-Burn record to be used by connected DeFi and fee is paid to specified address
//  * @param user user address
//  * @param id stake id
//  * @param userRebatePercentage percentage for user rebate in liquid titan (0 - 8)
//  * @param rewardPaybackPercentage percentage for builder fee in liquid titan (0 - 8)
//  * @param rewardPaybackAddress builder can opt to receive fee in another address
//  */
interface IMiningProtocol {
    /**
     * @dev 质押MLH到挖矿合约
     * @param amount MLH数量
     */
    function stake(uint256 amount) external;

    /**
     * @dev 提取质押的MLH
     * @param amount MLH数量
     */
    function unstake(uint256 amount) external;

    /**
     * @dev 提取S奖励
     */
    function claimFees() external;

    /**
     * @dev 获取当前轮次
     */
    function getCurrentCycle() external view returns (uint256);

    /**
     * @dev 获取当前轮次质押的MLH数量
     */
    function accStakeCycle(
        address account,
        uint256 cycle
    ) external view returns (uint256);

    /**
     * @dev 获取当前轮次燃烧的MLH数量
     */
    function accBurnedBatches(
        address account,
        uint256 cycle
    ) external view returns (uint256);

    /**
     * @dev 获取当前轮次奖励
     */
    function currentCycleReward() external view returns (uint256);

    /**
     * @dev 获取当前轮次总质押量
     */
    function summedCycleStakes(uint256 cycle) external view returns (uint256);

    /**
     * @dev 获取当前轮次总燃烧量
     */
    function summedCycleBurnedBatches(
        uint256 cycle
    ) external view returns (uint256);

    /**
     * @dev 获取8天池奖励
     */
    function getEightDayPoolRewards() external view returns (uint256);

    /**
     * @dev 获取当前轮次所有账户燃烧的批次总数
     */
    function cycleTotalBatchesBurned(
        uint256 cycle
    ) external view returns (uint256);

    /**
     * @dev 获取MLH代币地址
     */
    function mlh() external view returns (address);
}

//SPDX-License-Identifier: Unlicense
pragma solidity ^0.8.0;

interface IShadowFactory {
    event PairCreated(
        address indexed token0,
        address indexed token1,
        address pair,
        uint256
    );

    function feeTo() external view returns (address);

    function feeToSetter() external view returns (address);

    function getPair(
        address tokenA,
        address tokenB,
        bool stable
    ) external view returns (address pair);

    function allPairs(uint256) external view returns (address pair);

    function allPairsLength() external view returns (uint256);

    function createPair(
        address tokenA,
        address tokenB,
        bool stable
    ) external returns (address pair);

    function setFeeTo(address) external;

    function setFeeToSetter(address) external;
}

//SPDX-License-Identifier: Unlicense
pragma solidity ^0.8.0;

interface IUniswapV2Router01 {
    struct route {
        /// @dev token from
        address from;
        /// @dev token to
        address to;
        /// @dev is stable route
        bool stable;
    }
    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        bool stable,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB, uint256 liquidity);

    function addLiquidityETH(
        address token,
        bool stable,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);

    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB);

    function removeLiquidityETH(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountToken, uint256 amountETH);

    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountA, uint256 amountB);

    function removeLiquidityETHWithPermit(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountToken, uint256 amountETH);

    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapTokensForExactTokens(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapExactETHForTokens(
        uint256 amountOutMin,
        route[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);

    function swapTokensForExactETH(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapExactTokensForETH(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapETHForExactTokens(
        uint256 amountOut,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);

    function quote(
        uint256 amountA,
        uint256 reserveA,
        uint256 reserveB
    ) external pure returns (uint256 amountB);

    function getAmountOut(
        uint256 amountIn,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountOut);

    function getAmountIn(
        uint256 amountOut,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountIn);

    function getAmountsOut(
        uint256 amountIn,
        route[] calldata path
    ) external view returns (uint256[] memory amounts);

    function getAmountsIn(
        uint256 amountOut,
        route[] calldata path
    ) external view returns (uint256[] memory amounts);
}

interface IShadowV2Router is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountETH);

    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        route[] calldata path,
        address to,
        uint256 deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        route[] calldata path,
        address to,
        uint256 deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        route[] calldata path,
        address to,
        uint256 deadline
    ) external;
}

interface IUniswapV2Pair {
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
    event Transfer(address indexed from, address indexed to, uint256 value);

    function name() external pure returns (string memory);

    function symbol() external pure returns (string memory);

    function decimals() external pure returns (uint8);

    function totalSupply() external view returns (uint256);

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

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

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

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

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

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function PERMIT_TYPEHASH() external pure returns (bytes32);

    function nonces(address owner) external view returns (uint256);

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    event Mint(address indexed sender, uint256 amount0, uint256 amount1);
    event Burn(
        address indexed sender,
        uint256 amount0,
        uint256 amount1,
        address indexed to
    );
    event Swap(
        address indexed sender,
        uint256 amount0In,
        uint256 amount1In,
        uint256 amount0Out,
        uint256 amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint256);

    function factory() external view returns (address);

    function token0() external view returns (address);

    function token1() external view returns (address);

    function getReserves()
        external
        view
        returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);

    function price0CumulativeLast() external view returns (uint256);

    function price1CumulativeLast() external view returns (uint256);

    function kLast() external view returns (uint256);

    function mint(address to) external returns (uint256 liquidity);

    function burn(
        address to
    ) external returns (uint256 amount0, uint256 amount1);

    function swap(
        uint256 amount0Out,
        uint256 amount1Out,
        address to,
        bytes calldata data
    ) external;

    function skim(address to) external;

    function sync() external;

    function initialize(address, address) external;
}

interface IUniswapV3Pair {
    function fee() external view returns (uint24);

    function token0() external view returns (address);

    function token1() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;

interface ISink {
    // 将所有MLH质押到挖矿协议
    function stakeAllMlh() external;

    // 获取当前的MLH兑换SINK比率，如果为0表示不在启动期
    function getCurrentExchangeRate() external view returns (uint256);

    // 使用MLH兑换SINK
    function exchangeMlhForSink(uint256 amount) external returns (uint256);

    // 转账
    function transfer(address to, uint256 amount) external returns (bool);
}

//SPDX-License-Identifier: Unlicense
pragma solidity ^0.8.0;

// /** @notice Burn stake and creates Proof-Of-Burn record to be used by connected DeFi and fee is paid to specified address
//  * @param user user address
//  * @param id stake id
//  * @param userRebatePercentage percentage for user rebate in liquid titan (0 - 8)
//  * @param rewardPaybackPercentage percentage for builder fee in liquid titan (0 - 8)
//  * @param rewardPaybackAddress builder can opt to receive fee in another address
//  */
interface IWETH {
    function deposit() external payable;
    function withdraw(uint256 amount) external;
    function balanceOf(address account) external view returns (uint256);
    function transfer(address to, uint256 amount) external returns (bool);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_sinkContract","type":"address"},{"internalType":"address","name":"_mlhToken","type":"address"},{"internalType":"address","name":"_miningProtocolAddress","type":"address"},{"internalType":"address","name":"_shadowRouter","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"newPeriod","type":"uint256"}],"name":"CooldownPeriodUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"ethSpent","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"mlhAmount","type":"uint256"}],"name":"MlhBoughtAndSent","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":true,"internalType":"uint256","name":"totalAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"mlhBuyAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"sinkBuyAmount","type":"uint256"}],"name":"RewardsDistributed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"ethSpent","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"sinkAmount","type":"uint256"}],"name":"SinkBoughtAndBurned","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":true,"internalType":"bool","name":"isStable","type":"bool"}],"name":"StableRouteUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"WethUnwrapped","type":"event"},{"inputs":[],"name":"BUY_MLH_PERCENT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"BUY_SINK_PERCENT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERCENT_BPS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERCENT_DENOMINATOR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SLIPPAGE_DENOMINATOR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SLIPPAGE_TOLERANCE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cooldownPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"distributeRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"executeSinkBuy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastOperationTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastSinkBuyTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSinkBuyAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"miningProtocolAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mlhStableRoute","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mlhToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"_isPaused","type":"bool"}],"name":"pauseBuyback","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"pendingSinkBuyAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registerMe","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newPeriod","type":"uint256"}],"name":"setCooldownPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAddress","type":"address"}],"name":"setMiningProtocolAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"isStable","type":"bool"}],"name":"setMlhStableRoute","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_interval","type":"uint256"},{"internalType":"uint256","name":"_maxAmount","type":"uint256"}],"name":"setSinkBuyParams","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newSinkContract","type":"address"}],"name":"setSinkContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"isStable","type":"bool"}],"name":"setSinkStableRoute","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"shadowRouter","outputs":[{"internalType":"contract IShadowV2Router","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sinkBuyInterval","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sinkContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sinkStableRoute","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalMlhBought","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSinkBoughtAndBurned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unwrapAllWETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"weth","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

000000000000000000000000a20d7892a4b42a517e5a127ff775f1aa77dfce350000000000000000000000003b2ce558eec07099e668e4cf1c5b47aad29687850000000000000000000000004b17642adbfcac421e5191af98d0b589ec087e250000000000000000000000001d368773735ee1e678950b7a97bca2cafb330cdc

-----Decoded View---------------
Arg [0] : _sinkContract (address): 0xa20d7892A4B42a517e5A127fF775f1AA77dfCe35
Arg [1] : _mlhToken (address): 0x3B2CE558Eec07099e668e4cF1C5B47aAd2968785
Arg [2] : _miningProtocolAddress (address): 0x4B17642ADbfCac421E5191AF98d0b589ec087e25
Arg [3] : _shadowRouter (address): 0x1D368773735ee1E678950B7A97bcA2CafB330CDc

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000a20d7892a4b42a517e5a127ff775f1aa77dfce35
Arg [1] : 0000000000000000000000003b2ce558eec07099e668e4cf1c5b47aad2968785
Arg [2] : 0000000000000000000000004b17642adbfcac421e5191af98d0b589ec087e25
Arg [3] : 0000000000000000000000001d368773735ee1e678950b7a97bca2cafb330cdc