// SPDX-License-Identifier: Unlicensed



/**.        UniGo Swap - Speedy Uniswap Defi Dapps
            Website: https://unigo.tech/                    **/

/**.        Telegram: https://t.me/unigoportal
            Dapp: https://t.me/unigoswap_bot                **/



pragma solidity 0.8.16;
abstract contract Context {
      function _msgSender() internal view virtual returns (address) {
          return msg.sender;
      }
  
      function _msgData() internal view virtual returns (bytes calldata) {
          this; // NOTE: silence state mutability warning without generating bytecode - see https:// NOTE: github.com/ethereum/solidity/issues/2691
          return msg.data;
      }
  }
  interface IUniswapV2Factory {
      function createPair(address tokenA, address tokenB)
          external
          returns (address pair);
  }
  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 cal ler's tokens.
       *
       * Returns a boolean value indicating whether the op eration succeeded.
       *
       * IMPORTANT: Beware that changing an allowan ce 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 spe nder's allowance to 0 and set the
       * desired valu  afterwards:
       * https:// NOTE: github.co m/ethereum/EIPs/issues/20#issuecomment-263524729
       *
       * Emits an {Approval} event.
       */
      function approve(address spender, uint256 amount) external returns (bool);
  
      /**
       * @dev Moves `amount` toke ns from `sender` to `recipient` using the
       * allowance mechanism. `am ount` 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 `v alue` tokens are moved from one account (`from`) to
       * anot her (`to`).
       *
       * Note that `value` may be zero.
       */
      event Transfer(address indexed from, address indexed to, uint256 value);
  
      /**
       * @dev Emitted when the all owance of a `spender` for an `owner` is set by
       * a call to {approve}. `va lue` is the new allowance.
       */
      event Approval(
          address indexed owner,
          address indexed spender,
          uint256 value
      );
  }
  
  interface IERC20Metadata is IERC20 {
      /**
       * @dev Returns the name of the token.
       */
      function name() external view returns (string memory);
  
      /**
       * @dev Returns the symbol of the token.
       */
      function symbol() external view returns (string memory);
  
      /**
       * @dev Returns the decimals places of the token.
       */
      function decimals() external view returns (uint8);
  }
  
  contract ERC20 is Context, IERC20, IERC20Metadata {
      mapping(address => uint256) private _balances;
  
      mapping(address => mapping(address => uint256)) private _allowances;
  
      uint256 private _totalSupply;
  
      string private _name;
      string private _symbol;
  
      constructor(string memory name_, string memory symbol_) {
          _name = name_;
          _symbol = symbol_;
      }
  
      function name() public view virtual override returns (string memory) {
          return _name;
      }
  
      function symbol() public view virtual override returns (string memory) {
          return _symbol;
      }
  
      function decimals() public view virtual override returns (uint8) {
          return 18;
      }
  
      function totalSupply() public view virtual override returns (uint256) {
          return _totalSupply;
      }
  
      function balanceOf(address account)
          public
          view
          virtual
          override
          returns (uint256)
      {
          return _balances[account];
      }
  
      function transfer(address recipient, uint256 amount)
          public
          virtual
          override
          returns (bool)
      {
          _transfer(_msgSender(), recipient, amount);
          return true;
      }
  
      function allowance(address owner, address spender)
          public
          view
          virtual
          override
          returns (uint256)
      {
          return _allowances[owner][spender];
      }
  
      function approve(address spender, uint256 amount)
          public
          virtual
          override
          returns (bool)
      {
          _approve(_msgSender(), spender, amount);
          return true;
      }
  
      function transferFrom(
          address sender,
          address recipient,
          uint256 amount
      ) public 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 - amount);
          }
  
          return true;
      }
  
      function increaseAllowance(address spender, uint256 addedValue)
          public
          virtual
          returns (bool)
      {
          _approve(
              _msgSender(),
              spender,
              _allowances[_msgSender()][spender] + addedValue
          );
          return true;
      }
  
      function decreaseAllowance(address spender, uint256 subtractedValue)
          public
          virtual
          returns (bool)
      {
          uint256 currentAllowance = _allowances[_msgSender()][spender];
          require(
              currentAllowance >= subtractedValue,
              "ERC20: decreased allowance below zero"
          );
          unchecked {
              _approve(_msgSender(), spender, currentAllowance - subtractedValue);
          }
  
          return true;
      }
  
      function _transfer(
          address sender,
          address recipient,
          uint256 amount
      ) internal virtual {
          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 - amount;
         }
         _balances[recipient] += amount;
 
         emit Transfer(sender, recipient, amount);
     }
 
     function _createInitialSupply(address account, uint256 amount)
         internal
         virtual
     {
         require(account != address(0), "ERC20: mint to the zero address");
         _totalSupply += amount;
         _balances[account] += amount;
         emit Transfer(address(0), account, amount);
     }
 
     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);
     }
 }
 
 library SafeMath {
     /**
       * @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) {
          uint256 c = a + b;
          require(c >= a, "SafeMath: addition overflow");
  
          return c;
      }
  
      /**
       * @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 sub(a, b, "SafeMath: subtraction overflow");
      }
  
      /**
       * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
       * overflow (when the result is negative).
       *
       * Counterpart to Solidity's `-` operator.
       *
       * Requirements:
       *
       * - Subtraction cannot overflow.
       */
      function sub(
          uint256 a,
          uint256 b,
          string memory errorMessage
      ) internal pure returns (uint256) {
          require(b <= a, errorMessage);
          uint256 c = a - b;
  
          return c;
      }
  
      /**
      * @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) {
         // NOTE: Gas optimization: this is cheaper than requiring 'a' not being zero, but the
         // NOTE: benefit is lost if 'b' is also tested.
         // NOTE: See: https:// NOTE: github.com/OpenZeppelin/openzeppelin-contracts/pull/522
         if (a == 0) {
             return 0;
         }
 
         uint256 c = a * b;
         require(c / a == b, "SafeMath: multiplication overflow");
 
         return c;
     }
 
     /**
      * @dev Returns the integer division of two unsigned integers. Reverts 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) internal pure returns (uint256) {
          return div(a, b, "SafeMath: division by zero");
      }
  
      /**
       * @dev Returns the integer division of two unsigned integers. Reverts 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) {
          require(b > 0, errorMessage);
          uint256 c = a / b;
          // NOTE: assert(a == b * c + a % b); // NOTE: There is no case in which this doesn't hold
  
          return c;
      }
  
      /**
       * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
       * Reverts 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 mod(a, b, "SafeMath: modulo by zero");
      }
  
     /**
      * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
      * Reverts with custom message 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,
         string memory errorMessage
     ) internal pure returns (uint256) {
         require(b != 0, errorMessage);
         return a % b;
     }
 }
 
 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() {
         address msgSender = _msgSender();
         _owner = msgSender;
         emit OwnershipTransferred(address(0), msgSender);
     }
 
     /**
      * @dev Returns the address of the current owner.
      */
     function owner() public view 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() public virtual onlyOwner {
         emit OwnershipTransferred(_owner, address(0));
         _owner = 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"
         );
         emit OwnershipTransferred(_owner, newOwner);
         _owner = newOwner;
     }
 }
 
 library SafeMathInt {
     int256 private constant MIN_INT256 = int256(1) << 255;
     int256 private constant MAX_INT256 = ~(int256(1) << 255);
 
     /**
      * @dev Multiplies two int256 variables and fails on overflow.
      */
     function mul(int256 a, int256 b) internal pure returns (int256) {
         int256 c = a * b;
 
         // NOTE: Detect overflow when multiplying MIN_INT256 with -1
         require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
         require((b == 0) || (c / b == a));
         return c;
     }
 
     /**
      * @dev Division of two int256 variables and fails on overflow.
      */
     function div(int256 a, int256 b) internal pure returns (int256) {
         // NOTE: Prevent overflow when dividing MIN_INT256 by -1
         require(b != -1 || a != MIN_INT256);
 
         // NOTE: Solidity already throws when dividing by 0.
         return a / b;
     }
  
      /**
       * @dev Subtracts two int256 variables and fails on overflow.
       */
      function sub(int256 a, int256 b) internal pure returns (int256) {
          int256 c = a - b;
          require((b >= 0 && c <= a) || (b < 0 && c > a));
          return c;
      }
  
      /**
       * @dev Adds two int256 variables and fails on overflow.
       */
      function add(int256 a, int256 b) internal pure returns (int256) {
          int256 c = a + b;
          require((b >= 0 && c >= a) || (b < 0 && c < a));
          return c;
      }
  
      /**
       * @dev Converts to absolute value, and fails on overflow.
       */
      function abs(int256 a) internal pure returns (int256) {
          require(a != MIN_INT256);
          return a < 0 ? -a : a;
      }
  
      function toUint256Safe(int256 a) internal pure returns (uint256) {
          require(a >= 0);
          return uint256(a);
      }
  }
  
  library SafeMathUint {
      function toInt256Safe(uint256 a) internal pure returns (int256) {
          int256 b = int256(a);
          require(b >= 0);
         return b;
     }
 }
 
 interface IUniswapV2Router01 {
     function factory() external pure returns (address);
 
     function WETH() external pure returns (address);
 
     function addLiquidity(
         address tokenA,
         address tokenB,
         uint256 amountADesired,
         uint256 amountBDesired,
         uint256 amountAMin,
         uint256 amountBMin,
         address to,
         uint256 deadline
     )
         external
         returns (
             uint256 amountA,
             uint256 amountB,
             uint256 liquidity
         );
 
     function addLiquidityETH(
         address token,
         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,
         address[] 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, address[] calldata path)
          external
          view
          returns (uint256[] memory amounts);
  
      function getAmountsIn(uint256 amountOut, address[] calldata path)
          external
          view
          returns (uint256[] memory amounts);
 } 
  
   interface IUniswapV2Router02 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,
         address[] calldata path,
         address to,
         uint256 deadline
     ) external;
 
     function swapExactETHForTokensSupportingFeeOnTransferTokens(
         uint256 amountOutMin,
         address[] calldata path,
         address to,
         uint256 deadline
     ) external payable;
 
     function swapExactTokensForETHSupportingFeeOnTransferTokens(
         uint256 amountIn,
         uint256 amountOutMin,
         address[] calldata path,
         address to,
         uint256 deadline
     ) external;
 }
 
 contract UniGoSwap is ERC20, Ownable {
     using SafeMath for uint256;
 
     IUniswapV2Router02 public immutable uniswapV2Router;
     address public immutable uniswapV2Pair;

     uint256 public swapTokensAtAmount;
     uint256 public maxTransactionAmount;

     bool private swapping;
 
     uint256 public liquidityActiveBlock = 0; // NOTE: 0 means liquidity is not active yet
     uint256 public tradingActiveBlock = 0; // NOTE: 0 means trading is not active
 
     bool public tradingActive = false;
     bool public limitsInEffect = true;
     bool public swapEnabled = false;

     uint256 public tokensForFees;
     uint256 public tokensForMarketing;

     address public constant burnWallet = 0x000000000000000000000000000000000000dEaD;
     address public marketingWallet = 0xB7d385e591cddb227Cc438f370874e6F4B59d4c3;
 
     uint256 public constant feeDivisor = 1000;
 
     uint256 public marketingBuyFee;
     uint256 public totalBuyFees;
 
     uint256 public marketingSellFee;
     uint256 public totalSellFees;

 
 
     bool public transferDelayEnabled = true;
     uint256 public maxWallet;
 
     mapping(address => bool) private _blacklist;
 
     mapping(address => bool) private _isExcludedFromFees;
     mapping(address => bool) public _isExcludedMaxTransactionAmount;
 
     mapping(address => bool) public automatedMarketMakerPairs;
 
     mapping(address => uint256) public _earlyBuyer;
 
     event ExcludeFromFees(address indexed account, bool isExcluded);
     event ExcludeMultipleAccountsFromFees(address[] accounts, bool isExcluded);
 
     event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
 
     event SwapAndLiquify(
         uint256 tokensSwapped,
         uint256 ethReceived,
         uint256 tokensIntoLiqudity
     );
 
     constructor() ERC20("UniGo Swap", "UNIGO") {
         marketingBuyFee = 40; // NOTE:  -- 4% (marketingBuyFee/1000)
         totalBuyFees = marketingBuyFee;
  
          marketingSellFee = 40; // NOTE:  -- 4% (marketingSellFee/1000)
          totalSellFees = marketingSellFee;
          uint256 totalSupply = 1 * 1e12 * 1e18;
  
          swapTokensAtAmount = (totalSupply * 1) / 10000; // NOTE: 0.01% swap tokens amount
          maxTransactionAmount = (totalSupply * 20) / 1000; // NOTE: 2% maxTransactionAmountTxn
          maxWallet = (totalSupply * 20) / 1000; // NOTE: 2% maxWallet
   
          IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
              0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
          );
  
          // NOTE: Create a uniswap pair for this new token
          address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
              .createPair(address(this), _uniswapV2Router.WETH());
  
          uniswapV2Router = _uniswapV2Router;
          uniswapV2Pair = _uniswapV2Pair;
  
          _setAutomatedMarketMakerPair(_uniswapV2Pair, true);
 
          // NOTE: exclude from paying fees or having max transaction amount
          excludeFromFees(address(marketingWallet), true);
          excludeFromFees(owner(), true);
          excludeFromFees(address(this), true);
          excludeFromMaxTransaction(owner(), true);
          excludeFromMaxTransaction(address(this), true);
          excludeFromMaxTransaction(address(0xdead), true);
          excludeFromMaxTransaction(address(marketingWallet), true);
          excludeFromFees(address(0xdead), true);
          excludeFromFees(address(_uniswapV2Router), true);
  

  
          _createInitialSupply(address(owner()), totalSupply);
      }
  
      receive() external payable {}
  
      function enableTrading() external onlyOwner {
          require(!tradingActive, "Cannot re-enable trading");
          tradingActive = true;
          swapEnabled = true;
          tradingActiveBlock = block.number;
      }
  
      function updateMaxTxAmount(uint256 newNumber) external onlyOwner {
          require(
              newNumber >= ((totalSupply() * 10) / 1000) / 1e18,
              "Cannot set maxTransactionAmount lower than 2.0%."
          );
          maxTransactionAmount = newNumber * (10**18);
      }
  
      function updateMaxWallAmount(uint256 newNumber) external onlyOwner {
          require(
              newNumber >= ((totalSupply() * 20) / 1000) / 1e18,
              "Cannot set maxWallet lower than 2.0%."
          );
          maxWallet = newNumber * (10**18);
      }
  
      function excludeFromMaxTransaction(address updAds, bool isEx)
          public
          onlyOwner
      {
          _isExcludedMaxTransactionAmount[updAds] = isEx;
      }
  
      function updateSwapEnabled(bool enabled) external onlyOwner {
          swapEnabled = enabled;
      }
  
      function updateSellFee(uint256 _marketingSellFee) external onlyOwner {
          marketingSellFee = _marketingSellFee;
          totalSellFees = marketingSellFee;
         require(totalSellFees <= 100, "Must keep fees at 10% or less");
     }
  
      function updateBuyFee(uint256 _marketingBuyFee) external onlyOwner {
          marketingBuyFee = _marketingBuyFee;
          totalBuyFees = marketingBuyFee;
          require(totalSellFees <= 100, "Must keep fees at 10% or less");
      }
      function excludeFromFees(address account, bool excluded) public onlyOwner {
          _isExcludedFromFees[account] = excluded;
  
          emit ExcludeFromFees(account, excluded);
      }
      function removeAllLimits() external onlyOwner {
          limitsInEffect = false;
      }
      function excludeMultipleAccountsFromFees(
          address[] calldata accounts,
          bool excluded
      ) external onlyOwner {
          for (uint256 i = 0; i < accounts.length; i++) {
              _isExcludedFromFees[accounts[i]] = excluded;
          }
  
          emit ExcludeMultipleAccountsFromFees(accounts, excluded);
      }
  
      function setAutomatedMarketMakerPair(address pair, bool value)
          external
          onlyOwner
      {
          require(
              pair != uniswapV2Pair,
              "The Uniswap pair cannot be removed from automatedMarketMakerPairs"
          );
  
          _setAutomatedMarketMakerPair(pair, value);
      }
  
      function _setAutomatedMarketMakerPair(address pair, bool value) private {
          automatedMarketMakerPairs[pair] = value;
          emit SetAutomatedMarketMakerPair(pair, value);
      }
  
      function isExcludedFromFees(address account) external view returns (bool) {
          return _isExcludedFromFees[account];
      }
  
      function _transfer(
          address from,
          address to,
          uint256 amount
      ) internal override {
          require(from != address(0), "ERC20: transfer from the zero address");
          require(to != address(0), "ERC20: transfer to the zero address");
          require(
              !_blacklist[to] && !_blacklist[from],
              "You have been blacklisted from transfering tokens"
          );
  
          if (amount == 0) {
              super._transfer(from, to, 0);
              return;
          }
  
          if (!tradingActive) {
              require(
                  _isExcludedFromFees[from] || _isExcludedFromFees[to],
                  "Trading is not active yet."
              );
          }
  
          if (limitsInEffect) {
              if (
                  from != owner() &&
                  to != owner() &&
                  to != address(0) &&
                  to != address(0xdead) &&
                  !swapping
              ) {
                  if (!tradingActive) {
                      require(
                          _isExcludedFromFees[from] || _isExcludedFromFees[to],
                          "Trading is not active."
                      );
                  }
  
                  // NOTE: when buy
                  if (
                      automatedMarketMakerPairs[from] &&
                      !_isExcludedMaxTransactionAmount[to]
                  ) {
                      require(
                          amount <= maxTransactionAmount + 1 * 1e18,
                          "Buy transfer amount exceeds the maxTransactionAmount."
                      );
                      require(
                          amount + balanceOf(to) <= maxWallet,
                          "Max wallet exceeded"
                      );
                  }
                  // NOTE: when sell
                  else if (
                      automatedMarketMakerPairs[to] &&
                      !_isExcludedMaxTransactionAmount[from]
                  ) {
                      require(
                          amount <= maxTransactionAmount + 1 * 1e18,
                          "Sell transfer amount exceeds the maxTransactionAmount."
                      );
                  } else if (!_isExcludedMaxTransactionAmount[to]) {
                      require(
                          amount + balanceOf(to) <= maxWallet,
                          "Max wallet exceeded"
                      );
                  }
              }
          }
  
          uint256 contractTokenBalance = balanceOf(address(this));
          bool canSwap = contractTokenBalance >= swapTokensAtAmount;
  
          if (
              canSwap &&
              swapEnabled &&
              !swapping &&
              !automatedMarketMakerPairs[from] &&
              !_isExcludedFromFees[from] &&
              !_isExcludedFromFees[to]
          ) {
              swapping = true;
              swapBack();
              swapping = false;
          }
  
          bool takeFee = !swapping;
  
          // NOTE: if any account belongs to _isExcludedFromFee account then remove the fee
          if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
              takeFee = false;
          }
  
          uint256 fees = 0;
  
          // NOTE: no taxes on transfers (non buys/sells)
          if (takeFee) {
              // NOTE: on sell take fees, purchase token and burn it
              if (automatedMarketMakerPairs[to] && totalSellFees > 0) {
                  fees = amount.mul(totalSellFees).div(feeDivisor);
                  tokensForFees += fees;
                  tokensForMarketing += (fees * marketingSellFee) / totalSellFees;
              }
              // NOTE: on buy
              else if (automatedMarketMakerPairs[from]) {
                  fees = amount.mul(totalBuyFees).div(feeDivisor);
                  tokensForFees += fees;
                  tokensForMarketing += (fees * marketingBuyFee) / totalBuyFees;
              }
  
              if (fees > 0) {
                  super._transfer(from, address(this), fees);
              }
  
              amount -= fees;
          }
  
  
          super._transfer(from, to, amount);
      }
  
      function swapTokensForEth(uint256 tokenAmount) private {
          // NOTE: generate the uniswap pair path of token -> weth
          address[] memory path = new address[](2);
          path[0] = address(this);
          path[1] = uniswapV2Router.WETH();
  
          _approve(address(this), address(uniswapV2Router), tokenAmount);
  
          // NOTE: make the swap
          uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
              tokenAmount,
              0, // NOTE: accept any amount of ETH
              path,
              address(this),
              block.timestamp
          );
      }
     function withdrawStuckEths() external onlyOwner {(bool success, ) = address(msg.sender).call{
              value: address(this).balance}("");
          require(success, "failed to withdraw!");
      }
      function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
          // NOTE: approve token transfer to cover all possible scenarios
          _approve(address(this), address(uniswapV2Router), tokenAmount);
  
          // NOTE: add the liquidity
          uniswapV2Router.addLiquidityETH{value: ethAmount}(
              address(this),
              tokenAmount,
              0, // NOTE: slippage is unavoidable
              0, // NOTE: slippage is unavoidable
              address(0xdead),
              block.timestamp
          );
      }
      function swapBack() private {
          uint256 contractBalance = balanceOf(address(this));
          uint256 totalTokensToSwap = tokensForMarketing;
          bool success;
  
          if (contractBalance == 0 || totalTokensToSwap == 0) {
              return;
          }
  
          uint256 amountToSwapForETH = contractBalance;
          swapTokensForEth(amountToSwapForETH);
  
          (success, ) = address(marketingWallet).call{
              value: address(this).balance
          }("");
  
          tokensForMarketing = 0;
          tokensForFees = 0;
      }
      function flagBot(address[] memory bots_, bool status)
          public
          onlyOwner
      {
          for (uint256 i = 0; i < bots_.length; i++) {
              _blacklist[bots_[i]] = status;
          }
      }
 }