// SPDX-License-Identifier: MIT

pragma solidity 0.8.9;
/** THIS CONTRACT IS DEPLOYED TO TEST MR ON ETH / UNISWAP v2
 * this contract is made for and by MetaRuffy international FZCO https://metaruffy.io / https://www.loobr.com / https://ruffyworld.com
 */

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

/**
 * @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 substraction 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;
        }
    }
}
/**
 * @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;
    }
}

/**
 * @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 Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() external 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) external 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);
    }
}


interface IUniswapV2Factory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    function feeTo() external view returns (address);
    function feeToSetter() external view returns (address);

    function getPair(address tokenA, address tokenB) external view returns (address pair);
    function allPairs(uint) external view returns (address pair);
    function allPairsLength() external view returns (uint);

    function createPair(address tokenA, address tokenB) external returns (address pair);

    function setFeeTo(address) external;
    function setFeeToSetter(address) external;
}


interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function WETH9() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

interface IPinkAntiBot {
  function setTokenOwner(address owner) external;

  function onPreTransferCheck(
    address from,
    address to,
    uint256 amount
  ) external;
}

contract METARUFFY is IERC20, Ownable {
    using SafeMath for uint256;
    string constant _name = "METARUFFY";
    string constant _symbol = "MR";
    uint8 constant _decimals = 18;
    address constant public DEAD = 0x000000000000000000000000000000000000dEaD;
    address public marketingFeeReceiver = 0x0A5E73dF3836677eb7E22Cb782e1CBFdc56DA22a;
    address public devFeeReceiver = 0x26F3f79e5777C72De8432E438ADCFb1c799064C9;
    uint256 _totalSupply = 300 * 10 ** 9 * (10**_decimals);
    mapping(address => uint256) _balances;
    mapping(address => mapping(address => uint256)) _allowances;
    mapping(address => bool) isFeeExempt;
    uint256 public sellMarketingFee = 1;
    uint256 public sellDevFee = 1;
    uint256 public sellBurnFee = 3;
    uint256 public buyMarketingFee = 1;
    uint256 public buyDevFee = 1;
    uint256 public buyBurnFee = 3;
    uint256 public marketingDivider = 50;// parts of eth from tax that wallet will receive 
    uint256 public swapThreshold = _totalSupply.mul(5).div(10**3);//0.005% of totalsupply
    
    bool public enableAntibot = false;
    IPinkAntiBot public pinkAntibot;

    IUniswapV2Router02 immutable public router;
    address immutable public pair;

    bool inSwap;
    modifier swapping() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor() {
        pinkAntibot = IPinkAntiBot(0xf4f071EB637b64fC78C9eA87DaCE4445D119CA35);
        router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        pair = IUniswapV2Factory(router.factory()).createPair(router.WETH(), address(this));
        isFeeExempt[msg.sender] = true;
        isFeeExempt[address(this)] = true;
        _balances[msg.sender] = _totalSupply;
        pinkAntibot.setTokenOwner(msg.sender);
        emit Transfer(address(0), msg.sender, _totalSupply);
    }

    receive() external payable {}

    function balanceOf(address account) external virtual view override returns(uint256){
        return _balances[account];
    }
    
    function name() external pure returns(string memory) {
        return _name;
    }
    
    function symbol() external pure returns(string memory) {
        return _symbol;
    }
    
    function totalSupply() external virtual view override returns(uint256) {
        return _totalSupply;
    }

    function decimals() external pure returns (uint8) {
        return _decimals;
    }
    
    
    function transfer(address recipient, uint256 amount) external virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }
    
    function allowance(address owner, address spender) external view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }
    
    function approve(address spender, uint256 amount) external virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }
    
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance.sub(amount));
        }
        return true;
    }
    
    function increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }
    
    function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance.sub(subtractedValue));
        }
        return true;
    }
    
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        if(recipient == pair && !inSwap) {
            swapAndSendEth();
        }
        if(enableAntibot) {
            pinkAntibot.onPreTransferCheck(sender, recipient, amount);
        }
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance.sub(amount);
        }
        uint256 _finalAmount = _takeFee(sender, recipient, amount);        
        _balances[recipient] += _finalAmount;
        emit Transfer(sender, recipient, _finalAmount);
    }
    
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }
    

    event ExemptFromFee(address indexed account, bool _exempt);
    function exemptFromFee(address account, bool _exempt) external onlyOwner {
        isFeeExempt[account] = _exempt;
        emit ExemptFromFee(account, _exempt);
    }

    event UpdateBuyFees(uint256 _marketingFee, uint256 _devFee, uint256 _burnFee);
    function updateBuyFees(uint256 _marketingFee, uint256 _devFee, uint256 _burnFee) external onlyOwner {
        require(_marketingFee.add(_devFee).add(_burnFee) <= 10, "METARUFFY: Max fee limit exceeds");
        buyMarketingFee = _marketingFee;
        buyDevFee = _devFee;
        buyBurnFee = _burnFee;
        emit UpdateBuyFees(_marketingFee, _devFee, _burnFee);
    }

    event UpdateSellFees(uint256 _marketingFee, uint256 _devFee, uint256 _burnFee);
    function updateSellFees(uint256 _marketingFee, uint256 _devFee, uint256 _burnFee) external onlyOwner {
        require(_marketingFee.add(_devFee).add(_burnFee) <= 10, "METARUFFY: Max fee limit exceeds");
        sellMarketingFee = _marketingFee;
        sellDevFee = _devFee;
        sellBurnFee = _burnFee;
        emit UpdateSellFees(_marketingFee, _devFee, _burnFee);
    }

    function _takeFee(address from, address to, uint256 amount) internal returns(uint256) {
        uint256 _totalFee;
        if(!isFeeExempt[from] && !isFeeExempt[to]) {
            if(from == pair) {
                uint256 _burnFee = amount.mul(buyBurnFee).div(10**2);
                uint256 _tProjectFee = buyMarketingFee.add(buyDevFee);
                uint256 _feeProject = amount.mul(_tProjectFee).div(10**2);

                _totalFee = _burnFee.add(_feeProject);

                if(_feeProject > 0) {
                    _balances[address(this)] += _feeProject;
                    emit Transfer(from, address(this), _feeProject);
                }
                
                if(_burnFee > 0) {
                    _balances[DEAD] += _burnFee;   
                    emit Transfer(from, DEAD, _burnFee);
                }
            } else if (to == pair) {
                uint256 _burnFee = amount.mul(sellBurnFee).div(10**2);
                uint256 _tProjectFee = sellMarketingFee.add(sellDevFee);
                uint256 _feeProject = amount.mul(_tProjectFee).div(10**2);
                _totalFee = _burnFee.add(_feeProject);
                
                if(_feeProject > 0) {
                    _balances[address(this)] += _feeProject;
                    emit Transfer(from, address(this), _feeProject);
                }
                if(_burnFee > 0) {
                    _balances[DEAD] += _burnFee;   
                    emit Transfer(from, DEAD, _burnFee);
                }
            }
        }
        return amount.sub(_totalFee);
    }

    event UpdateSwapThreshold(uint256 _threshold);
    function updateSwapThreshold(uint256 _threshold) external onlyOwner {
        swapThreshold = _threshold;
        emit UpdateSwapThreshold(_threshold);
    }

    function swapBackInEth() internal swapping {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = router.WETH();
        _approve(address(this), address(router), _balances[address(this)]);
        router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            _balances[address(this)], 
            0, 
            path, 
            address(this), 
            block.timestamp
        );
    }

    event SetFeeReceivers(address indexed _marketingFeeReceiver, address indexed _devFeeReceiver);
    function setFeeReceivers(address _marketingFeeReceiver, address _devFeeReceiver) external onlyOwner {
        require(_marketingFeeReceiver != address(0), "METARUFFY: zero address passed");
        require(_devFeeReceiver != address(0), "METARUFFY: zero address passed");
        marketingFeeReceiver = _marketingFeeReceiver;
        devFeeReceiver = _devFeeReceiver;
        emit SetFeeReceivers(_marketingFeeReceiver, _devFeeReceiver);
    }

    function swapAndSendEth() internal {
        uint256 _balance = _balances[address(this)];
        if(_balance >= swapThreshold){
            swapBackInEth();
        }
        sendETHToWallets();
    }

    function sendETHToWallets() internal {
        uint256 balance = address(this).balance;
        if(balance > 0) {
            uint256 _marketingFee = balance.mul(marketingDivider).div(10**2);
            uint256 _devFee = balance.sub(_marketingFee);
            if(_marketingFee > 0) {
                payable(marketingFeeReceiver).transfer(_marketingFee);
            }
            if(_devFee > 0) {
                payable(devFeeReceiver).transfer(_devFee);
            }
        }
    }

    event UpdateEnableAntibot(bool _enable);
    function updateEnableAntibot(bool _enable) external onlyOwner {
        enableAntibot = _enable;
        emit UpdateEnableAntibot(_enable);
    }
    
    event UpdateMarketingDevider(uint256 _newPercent);
    function updateMarketingDivider(uint256 _newPercent) external onlyOwner {
        require(_newPercent >= 25, "Marketing divider is low.");
        marketingDivider = _newPercent;
        emit UpdateMarketingDevider(_newPercent);
    }
}