// File: contracts/DontKwon/DontKwon.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;           

// 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;           
    }           
}           

// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;           

/**
 * @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);           
    }           
}           

// 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);           
}           

// 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;           
        }           
    }           
}           

pragma solidity >=0.5.0;           

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;           
}           

pragma solidity >=0.6.2;           

interface IUniswapV2Router01 {
    function factory() external pure returns (address);           
    function WETH() 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);           
}           

pragma solidity >=0.6.2;           

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;           
}           

contract DontKwon is Context, IERC20, Ownable {
    using SafeMath for uint256;           

    IUniswapV2Router02 private _uniswapV2Router;           

    mapping (address => uint) private _cooldown;           

    mapping (address => uint256) private _balances;           

    mapping (address => mapping (address => uint256)) private _allowances;           

    mapping (address => bool) private _isExcludedFromFees;           
    mapping (address => bool) private _isExcludedMaxTransactionAmount;           
    mapping (address => bool) private _isBlacklisted;           

    bool public tradingOpen;           
    bool private _swapping;           
    bool public swapEnabled = false;           

    string private constant _name = "Don't Kwon";           
    string private constant _symbol = "DONT";           

    uint8 private constant _decimals = 18;           

    uint256 private constant _totalSupply = 1e9 * (10**_decimals);           

    uint256 public maxBuyAmount = _totalSupply.mul(16).div(1000);           
    uint256 public maxSellAmount = _totalSupply.mul(16).div(1000);           
    uint256 public maxWalletAmount = _totalSupply.mul(16).div(1000);           

    uint256 public constant FEE_DIVISOR = 100;           

    uint256 public opsBuyFee = 6;           
    uint256 private _previousOpsBuyFee = opsBuyFee;           
    uint256 public opsSellFee = 6;           
    uint256 private _previousOpsSellFee = opsSellFee;           

    uint256 private _tokensForOps;           
    uint256 private _swapTokensAtAmount = _totalSupply.mul(5).div(10000);           

    address payable private opsWalletAddress;           
    address private _uniswapV2Pair;           
    address private DEAD = 0x000000000000000000000000000000000000dEaD;           
    address private ZERO = 0x0000000000000000000000000000000000000000;           
    
    constructor () {
        _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);           
        _approve(address(this), address(_uniswapV2Router), _totalSupply);           
        _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());           
        IERC20(_uniswapV2Pair).approve(address(_uniswapV2Router), type(uint).max);           

        opsWalletAddress = payable(_msgSender());           

        _balances[_msgSender()] = _totalSupply;           

        _isExcludedFromFees[owner()] = true;           
        _isExcludedFromFees[address(this)] = true;           
        _isExcludedFromFees[DEAD] = true;           

        _isExcludedMaxTransactionAmount[owner()] = true;           
        _isExcludedMaxTransactionAmount[address(this)] = true;           
        _isExcludedMaxTransactionAmount[DEAD] = true;           

        emit Transfer(ZERO, _msgSender(), _totalSupply);           
    }           

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

    function symbol() public pure returns (string memory) {
        return _symbol;           
    }           

    function decimals() public pure returns (uint8) {
        return _decimals;           
    }           

    function totalSupply() public pure override returns (uint256) {
        return _totalSupply;           
    }           

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];           
    }           

    function transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), recipient, amount);           
        return true;           
    }           

    function allowance(address owner, address spender) public view override returns (uint256) {
        return _allowances[owner][spender];           
    }           

    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(_msgSender(), spender, amount);           
        return true;           
    }           

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);           
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));           
        return true;           
    }           

    function _approve(address owner, address spender, uint256 amount) private {
        require(owner != ZERO, "ERC20: approve from the zero address");           
        require(spender != ZERO, "ERC20: approve to the zero address");           
        _allowances[owner][spender] = amount;           
        emit Approval(owner, spender, amount);           
    }           

    function _transfer(address from, address to, uint256 amount) private {
        require(from != ZERO, "ERC20: transfer from the zero address");           
        require(to != ZERO, "ERC20: transfer to the zero address");           
        require(amount > 0, "Transfer amount must be greater than zero");           
        bool takeFee = true;           
        bool shouldSwap = false;           
        if (from != owner() && to != owner() && to != ZERO && to != DEAD && !_swapping) {
            require(!_isBlacklisted[from] && !_isBlacklisted[to]);           

            if(!tradingOpen) require(_isExcludedFromFees[from] || _isExcludedFromFees[to], "Trading is not allowed yet.");           

            if (from == _uniswapV2Pair && to != address(_uniswapV2Router) && !_isExcludedMaxTransactionAmount[to]) {
                require(amount <= maxBuyAmount, "Transfer amount exceeds the maxBuyAmount.");           
                require(balanceOf(to) + amount <= maxWalletAmount, "Exceeds maximum wallet token amount.");           
            }           
            
            if (to == _uniswapV2Pair && from != address(_uniswapV2Router) && !_isExcludedMaxTransactionAmount[from]) {
                require(amount <= maxSellAmount, "Transfer amount exceeds the maxSellAmount.");           
                shouldSwap = true;           
            }           
        }           

        if(_isExcludedFromFees[from] || _isExcludedFromFees[to]) takeFee = false;           

        uint256 contractTokenBalance = balanceOf(address(this));           
        bool canSwap = (contractTokenBalance > _swapTokensAtAmount) && shouldSwap;           

        if (canSwap && swapEnabled && !_swapping && !_isExcludedFromFees[from] && !_isExcludedFromFees[to]) {
            _swapping = true;           
            _swapBack();           
            _swapping = false;           
        }           

        _tokenTransfer(from, to, amount, takeFee, shouldSwap);           
    }           

    function _swapBack() private {

        uint256 contractBalance = balanceOf(address(this));           
        
        if (contractBalance == 0 || _tokensForOps == 0) return;           

        if (contractBalance > _swapTokensAtAmount * 5) contractBalance = _swapTokensAtAmount * 5;           

        swapTokensForETH(contractBalance);            
        
        _tokensForOps = 0;           
    
    }           

    function swapTokensForETH(uint256 tokenAmount) private {
        address[] memory path = new address[](2);           
        path[0] = address(this);           
        path[1] = _uniswapV2Router.WETH();           
        _approve(address(this), address(_uniswapV2Router), tokenAmount);           
        _uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            opsWalletAddress,
            block.timestamp
        );           
    }           

    function isBlacklisted(address wallet) external view returns (bool) {
        return _isBlacklisted[wallet];           
    }           

    function removeAllFee() private {
        if (opsBuyFee == 0 && opsSellFee == 0) return;           

        _previousOpsBuyFee = opsBuyFee;           
        _previousOpsSellFee = opsSellFee;           
        
        opsBuyFee = 0;           
        opsSellFee = 0;           
    }           
    
    function restoreAllFee() private {
        opsBuyFee = _previousOpsBuyFee;           
        opsSellFee = _previousOpsSellFee;           
    }           
        
    function _tokenTransfer(address sender, address recipient, uint256 amount, bool takeFee, bool isSell) private {
        if (!takeFee) removeAllFee();           
        else amount = _takeFees(sender, amount, isSell);           

        _transferStandard(sender, recipient, amount);           
        
        if (!takeFee) restoreAllFee();           
    }           

    function _transferStandard(address sender, address recipient, uint256 tAmount) private {
        _balances[sender] = _balances[sender].sub(tAmount);           
        _balances[recipient] = _balances[recipient].add(tAmount);           
        emit Transfer(sender, recipient, tAmount);           
    }           

    function _takeFees(address sender, uint256 amount, bool isSell) private returns (uint256) {
        uint256 _totalFees = _getTotalFees(isSell);           
        
        uint256 fees;           
        if (_totalFees > 0) {
            fees = amount.mul(_totalFees).div(FEE_DIVISOR);           
            _tokensForOps += fees * _totalFees / _totalFees;           
        }           
            
        if (fees > 0) _transferStandard(sender, address(this), fees);           
            
        return amount -= fees;           
    }           

    function _getTotalFees(bool isSell) private view returns(uint256) {
        if (isSell) return opsSellFee;           
        return opsBuyFee;           
    }           

    receive() external payable {}           
    fallback() external payable {}           

    function CONFIG_init() public onlyOwner {
        require(!tradingOpen,"Trading is already open");           
        _uniswapV2Router.addLiquidityETH{value: address(this).balance}           (address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);           
        swapEnabled = true;           
        tradingOpen = true;           
    }           

    function CONFIG_SwapEnabled(bool onoff) public onlyOwner {
        swapEnabled = onoff;           
    }           
    
    function CONFIG_MaxBuyAmount(uint256 maxBuy) public onlyOwner {
        require(maxBuy >= (totalSupply().mul(1).div(1000)), "Max buy amount cannot be lower than 0.1% total supply.");           
        maxBuyAmount = maxBuy;           
    }           

    function CONFIG_MaxSellAmount(uint256 maxSell) public onlyOwner {
        require(maxSell >= (totalSupply().mul(1).div(1000)), "Max sell amount cannot be lower than 0.1% total supply.");           
        maxSellAmount = maxSell;           
    }           
    
    function CONFIG_MaxWalletAmount(uint256 maxToken) public onlyOwner {
        require(maxToken >= (totalSupply().mul(1).div(1000)), "Max wallet amount cannot be lower than 0.1% total supply.");           
        maxWalletAmount = maxToken;           
    }           
    
    function CONFIG_SwapTokensAtAmount(uint256 swapAmount) public onlyOwner {
        require(swapAmount >= (totalSupply().mul(1).div(100000)), "Swap amount cannot be lower than 0.001% total supply.");           
        require(swapAmount <= (totalSupply().mul(5).div(1000)), "Swap amount cannot be higher than 0.5% total supply.");           
        _swapTokensAtAmount = swapAmount;           
    }           

    function CONFIG_OperationsWalletAddress(address opsWalletAddy) public onlyOwner {
        require(opsWalletAddy != ZERO, "opsWalletAddress address cannot be 0");           
        _isExcludedFromFees[opsWalletAddress] = false;           
        _isExcludedMaxTransactionAmount[opsWalletAddress] = false;           
        opsWalletAddress = payable(opsWalletAddy);           
        _isExcludedFromFees[opsWalletAddress] = true;           
        _isExcludedMaxTransactionAmount[opsWalletAddress] = true;           
    }           

    function CONFIG_BuyFee(uint256 newOpsBuyFee) public onlyOwner {
        require(newOpsBuyFee <= 10, "Must keep buy taxes below 10%");           
        opsBuyFee = newOpsBuyFee;           
    }           

    function CONFIG_SellFee(uint256 newOpsSellFee) public onlyOwner {
        require(newOpsSellFee <= 10, "Must keep sell taxes below 10%");           
        opsSellFee = newOpsSellFee;           
    }           

    function CONFIG_RemoveLimits() public onlyOwner {
        maxBuyAmount = _totalSupply;           
        maxSellAmount = _totalSupply;           
        maxWalletAmount = _totalSupply;           
    }           

    function AC_ExcludedFromFees(address[] memory accounts, bool isEx) public onlyOwner {
        for (uint i = 0;            i < accounts.length;            i++) _isExcludedFromFees[accounts[i]] = isEx;           
    }           
    
    function AC_setExcludeFromMaxTransaction(address[] memory accounts, bool isEx) public onlyOwner {
        for (uint i = 0;            i < accounts.length;            i++) _isExcludedMaxTransactionAmount[accounts[i]] = isEx;           
    }           
    
    function AC_setBlacklisted(address[] memory accounts, bool exempt) public onlyOwner {
        for (uint i = 0;            i < accounts.length;            i++) _isBlacklisted[accounts[i]] = exempt;           
    }           

    function UTILS_rescueETH() public {
        require(msg.sender == opsWalletAddress, "Access unauthorized.");           
        bool success;           
        (success,) = address(msg.sender).call{value: address(this).balance}           ("");           
    }           

    function UTILS_rescueTokens(address tkn) public {
        require(msg.sender == opsWalletAddress, "Access unauthorized.");           
        require(tkn != address(this), "Cannot withdraw this token");           
        require(IERC20(tkn).balanceOf(address(this)) > 0, "No tokens");           
        uint amount = IERC20(tkn).balanceOf(address(this));           
        IERC20(tkn).transfer(msg.sender, amount);           
    }           

}