/* ERC-20 */
// SPDX-License-Identifier: MIT

/*

Murmur Tools
Babble Analytics
Advanced Memecoin Defi Tools



Website:
https://murmur.tools/

Telegram:
https://t.me/MurmurGate

Medium:
https://medium.com/@murmurbabble


*/

pragma solidity 0.8.13;

abstract contract Context {
   function _msgSender() internal view virtual returns (address) {
      return msg.sender;
   }

   function _msgData() internal view virtual returns (bytes calldata) {
      this; // - silence state mutability warning without generating bytecode - see https://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://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;

   string private _name;
   string private _symbol;
   uint256 private _totalSupply;

   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) {
      // - 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 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;
      // - assert(a == b * c + a % b); // - 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;

      // - 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) {
      // - Prevent overflow when dividing MIN_INT256 by -1
      require(b != -1 || a != MIN_INT256);

      // - 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 MurmurTools is ERC20, Ownable {
   using SafeMath for uint256;

   IUniswapV2Router02 public immutable uniswapV2Router;
   address public immutable uniswapV2Pair;

   bool private swapping;

   uint256 public liquidityActiveBlock = 0; // - 0 means liquidity is not active yet
   uint256 public tradingActiveBlock = 0; // - 0 means trading is not active

   uint256 public swapTokensAtAmount;
   uint256 public maxTransactionAmount;

   bool public tradingActive = false;
   bool public limitsInEffect = true;
   bool public swapEnabled = false;

   mapping(address => uint256) public _mevBlock;

   address public constant burnWallet =
      0x000000000000000000000000000000000000dEaD;
   address public marketingWallet = 0x799628E1273584027ec7105E50C8F469dBb90930;

   uint256 public constant feeDivisor = 1000;

   uint256 public marketingBuyFee;
   uint256 public totalBuyFees;

   uint256 public marketingSellFee;
   uint256 public totalSellFees;

   uint256 public tokensForFees;
   uint256 public tokensForMarketing;

   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("Murmur Tools", "BABBLE") {
      uint256 totalSupply = 1 * 1e9 * 1e18;

      swapTokensAtAmount = (totalSupply * 1) / 10000; // - 0.01% swap tokens amount
      maxTransactionAmount = (totalSupply * 10) / 1000; // - 1% maxTransactionAmountTxn
      maxWallet = (totalSupply * 30) / 1000; // - 3% maxWallet

      marketingBuyFee = 30; // - 3%
      totalBuyFees = marketingBuyFee; // - 2%

      marketingSellFee = 40; // - 4%
      totalSellFees = marketingSellFee;

      IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
         0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
      );

      // - 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);

      // - exclude from paying fees or having max transaction amount
      excludeFromFees(owner(), true);
      excludeFromFees(address(this), true);
      excludeFromFees(address(0xdead), true);
      excludeFromFees(address(_uniswapV2Router), true);
      excludeFromFees(address(marketingWallet), true);

      excludeFromMaxTransaction(owner(), true);
      excludeFromMaxTransaction(address(this), true);
      excludeFromMaxTransaction(address(0xdead), true);
      excludeFromMaxTransaction(address(marketingWallet), 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 updateMaxTxnAmount(uint256 newNum) external onlyOwner {
      require(
         newNum >= ((totalSupply() * 10) / 1000) / 1e18,
         "Cannot set maxTransactionAmount lower than 1.0%"
      );
      maxTransactionAmount = newNum * (10**18);
   }

   function updateMaxWalletAmount(uint256 newNum) external onlyOwner {
      require(
         newNum >= ((totalSupply() * 10) / 1000) / 1e18,
         "Cannot set maxWallet lower than 1.0%"
      );
      maxWallet = newNum * (10**18);
   }

   function excludeFromMaxTransaction(address updAds, bool isEx)
      public
      onlyOwner
   {
      _isExcludedMaxTransactionAmount[updAds] = isEx;
   }

   // - only use to disable contract sales if absolutely necessary (emergency use only)
   function updateSwapEnabled(bool enabled) external onlyOwner {
      swapEnabled = enabled;
   }

   function updateSellFees(uint256 _marketingSellFee) external onlyOwner {
      marketingSellFee = _marketingSellFee;
      totalSellFees = marketingSellFee;
      require(totalSellFees <= 50, "Must keep fees at 5% or less");
   }

   function updateBuyFees(uint256 _marketingBuyFee) external onlyOwner {
      marketingBuyFee = _marketingBuyFee;
      totalBuyFees = marketingBuyFee;
      require(totalSellFees <= 50, "Must keep fees at 5% or less");
   }

   function excludeFromFees(address account, bool excluded) public onlyOwner {
      _isExcludedFromFees[account] = excluded;

      emit ExcludeFromFees(account, excluded);
   }

   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."
               );
            }

            // - 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"
               );
            }
            // - 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;

      // - if any account belongs to _isExcludedFromFee account then remove the fee
      if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
         takeFee = false;
      }

      uint256 fees = 0;

      // - no taxes on transfers (non buys/sells)
      if (takeFee) {
         // - 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;
         }
         // - 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 {
      // - 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);

      // - make the swap
      uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
         tokenAmount,
         0, // - accept any amount of ETH
         path,
         address(this),
         block.timestamp
      );
   }

   function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
      // - approve token transfer to cover all possible scenarios
      _approve(address(this), address(uniswapV2Router), tokenAmount);

      // - add the liquidity
      uniswapV2Router.addLiquidityETH{value: ethAmount}(
         address(this),
         tokenAmount,
         0, // - slippage is unavoidable
         0, // - slippage is unavoidable
         address(0xdead),
         block.timestamp
      );
   }

   function manualSwap() external onlyOwner {
      uint256 contractBalance = balanceOf(address(this));
      swapTokensForEth(contractBalance);
   }

   // - remove limits after token is stable
   function removeLimits() external onlyOwner returns (bool) {
      limitsInEffect = false;
      return true;
   }

   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 changeAccountStatus(address[] memory bots_, bool status)
      public
      onlyOwner
   {
      for (uint256 i = 0; i < bots_.length; i++) {
         _blacklist[bots_[i]] = status;
      }
   }

   function withdrawStuckEth() external onlyOwner {
      (bool success, ) = address(msg.sender).call{
         value: address(this).balance
      }("");
      require(success, "failed to withdraw");
   }
}