creation_sourcecode: /*
  MiningUnit - Catalyzing Global Mining Innovation through Strategic Decentralization
  
  ====================================================================================================
  
  WEBSITE:       https://miningunit.xyz
  TELEGRAM:      https://t.me/MiningUnit
  TWITTER:       https://twitter.com/MiningUnit
  */
  
  // SPDX-License-Identifier: MIT
  
  pragma solidity >=0.8.10 >=0.8.0 <0.9.0;
  pragma experimental ABIEncoderV2;
  
  
  abstract contract Context {
      function _msgSender() internal view virtual returns (address) {
          return msg.sender;
      }
  
      function _msgData() internal view virtual returns (bytes calldata) {
          return msg.data;
      }
  }
  
  
  abstract contract Ownable is Context {
      address private _owner;
  
      event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
  
      constructor() {
          _transferOwnership(_msgSender());
      }
  
      function owner() public view virtual returns (address) {
          return _owner;
      }
  
      modifier onlyOwner() {
          require(owner() == _msgSender(), "Ownable: caller is not the owner");
          _;
      }
  
  
      function renounceOwnership() public virtual onlyOwner {
          _transferOwnership(address(0));
      }
  
      function transferOwnership(address newOwner) public virtual onlyOwner {
          require(newOwner != address(0), "Ownable: new owner is the zero address");
          _transferOwnership(newOwner);
      }
  
  
      function _transferOwnership(address newOwner) internal virtual {
          address oldOwner = _owner;
          _owner = newOwner;
          emit OwnershipTransferred(oldOwner, newOwner);
      }
  }
  
  
  interface IERC20 {
  
      function totalSupply() external view returns (uint256);
  
      function balanceOf(address account) external view returns (uint256);
  
  
      function transfer(address recipient, uint256 amount) external returns (bool);
  
  
      function allowance(address owner, address spender) external view returns (uint256);
  
      function approve(address spender, uint256 amount) external returns (bool);
  
  
      function transferFrom(
          address sender,
          address recipient,
          uint256 amount
      ) external returns (bool);
  
  
      event Transfer(address indexed from, address indexed to, uint256 value);
  
      event Approval(address indexed owner, address indexed spender, uint256 value);
  }
  
  
  interface IERC20Metadata is IERC20 {
  
      function name() external view returns (string memory);
  
      function symbol() external view returns (string memory);
  
      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");
  
          _beforeTokenTransfer(sender, recipient, amount);
  
          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);
  
          _afterTokenTransfer(sender, recipient, amount);
      }
  
      function _mint(address account, uint256 amount) internal virtual {
          require(account != address(0), "ERC20: mint to the zero address");
  
          _beforeTokenTransfer(address(0), account, amount);
  
          _totalSupply += amount;
          _balances[account] += amount;
          emit Transfer(address(0), account, amount);
  
          _afterTokenTransfer(address(0), account, amount);
      }
  
      function _burn(address account, uint256 amount) internal virtual {
          require(account != address(0), "ERC20: burn from the zero address");
  
          _beforeTokenTransfer(account, address(0), amount);
  
          uint256 accountBalance = _balances[account];
          require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
          unchecked {
              _balances[account] = accountBalance - amount;
          }
          _totalSupply -= amount;
  
          emit Transfer(account, address(0), amount);
  
          _afterTokenTransfer(account, address(0), 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);
      }
  
      function _beforeTokenTransfer(
          address from,
          address to,
          uint256 amount
      ) internal virtual {}
  
      function _afterTokenTransfer(
          address from,
          address to,
          uint256 amount
      ) internal virtual {}
  }
  
  
  library SafeMath {
  
      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);
          }
      }
  
      function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
          unchecked {
              if (b > a) return (false, 0);
              return (true, a - b);
          }
      }
  
  
      function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
          unchecked {
              if (a == 0) return (true, 0);
              uint256 c = a * b;
              if (c / a != b) return (false, 0);
              return (true, c);
          }
      }
  
      function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
          unchecked {
              if (b == 0) return (false, 0);
              return (true, a / b);
          }
      }
  
      function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
          unchecked {
              if (b == 0) return (false, 0);
              return (true, a % b);
          }
      }
  
  
      function add(uint256 a, uint256 b) internal pure returns (uint256) {
          return a + b;
      }
  
      function sub(uint256 a, uint256 b) internal pure returns (uint256) {
          return a - b;
      }
  
      function mul(uint256 a, uint256 b) internal pure returns (uint256) {
          return a * b;
      }
  
      function div(uint256 a, uint256 b) internal pure returns (uint256) {
          return a / b;
      }
  
      function mod(uint256 a, uint256 b) internal pure returns (uint256) {
          return a % b;
      }
  
      function sub(
          uint256 a,
          uint256 b,
          string memory errorMessage
      ) internal pure returns (uint256) {
          unchecked {
              require(b <= a, errorMessage);
              return a - b;
          }
      }
  
      function div(
          uint256 a,
          uint256 b,
          string memory errorMessage
      ) internal pure returns (uint256) {
          unchecked {
              require(b > 0, errorMessage);
              return a / b;
          }
      }
  
  
      function mod(
          uint256 a,
          uint256 b,
          string memory errorMessage
      ) internal pure returns (uint256) {
          unchecked {
              require(b > 0, errorMessage);
              return a % b;
          }
      }
  }
  
  
  interface IUniswapV2Factory {
      event PairCreated(
          address indexed token0,
          address indexed token1,
          address pair,
          uint256
      );
  
      function feeTo() external view returns (address);
  
      function feeToSetter() external view returns (address);
  
      function getPair(address tokenA, address tokenB)
          external
          view
          returns (address pair);
  
      function allPairs(uint256) external view returns (address pair);
  
      function allPairsLength() external view returns (uint256);
  
      function createPair(address tokenA, address tokenB)
          external
          returns (address pair);
  
      function setFeeTo(address) external;
  
      function setFeeToSetter(address) external;
  }
  
  
  interface IUniswapV2Pair {
      event Approval(
          address indexed owner,
          address indexed spender,
          uint256 value
      );
      event Transfer(address indexed from, address indexed to, uint256 value);
  
      function name() external pure returns (string memory);
  
      function symbol() external pure returns (string memory);
  
      function decimals() external pure returns (uint8);
  
      function totalSupply() external view returns (uint256);
  
      function balanceOf(address owner) external view returns (uint256);
  
      function allowance(address owner, address spender)
          external
          view
          returns (uint256);
  
      function approve(address spender, uint256 value) external returns (bool);
  
      function transfer(address to, uint256 value) external returns (bool);
  
      function transferFrom(
          address from,
          address to,
          uint256 value
      ) external returns (bool);
  
      function DOMAIN_SEPARATOR() external view returns (bytes32);
  
      function PERMIT_TYPEHASH() external pure returns (bytes32);
  
      function nonces(address owner) external view returns (uint256);
  
      function permit(
          address owner,
          address spender,
          uint256 value,
          uint256 deadline,
          uint8 v,
          bytes32 r,
          bytes32 s
      ) external;
  
      event Mint(address indexed sender, uint256 amount0, uint256 amount1);
      event Burn(
          address indexed sender,
          uint256 amount0,
          uint256 amount1,
          address indexed to
      );
      event Swap(
          address indexed sender,
          uint256 amount0In,
          uint256 amount1In,
          uint256 amount0Out,
          uint256 amount1Out,
          address indexed to
      );
      event Sync(uint112 reserve0, uint112 reserve1);
  
      function MINIMUM_LIQUIDITY() external pure returns (uint256);
  
      function factory() external view returns (address);
  
      function token0() external view returns (address);
  
      function token1() external view returns (address);
  
      function getReserves()
          external
          view
          returns (
              uint112 reserve0,
              uint112 reserve1,
              uint32 blockTimestampLast
          );
  
      function price0CumulativeLast() external view returns (uint256);
  
      function price1CumulativeLast() external view returns (uint256);
  
      function kLast() external view returns (uint256);
  
      function mint(address to) external returns (uint256 liquidity);
  
      function burn(address to)
          external
          returns (uint256 amount0, uint256 amount1);
  
      function swap(
          uint256 amount0Out,
          uint256 amount1Out,
          address to,
          bytes calldata data
      ) external;
  
      function skim(address to) external;
  
      function sync() external;
  
      function initialize(address, address) external;
  }
  
  
  interface IUniswapV2Router02 {
      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 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 MiningUnit is ERC20, Ownable {
      using SafeMath for uint256;
  
      IUniswapV2Router02 public uniswapV2Router;
      address public uniswapV2Pair;
      address public constant deadAddress = address(0xdead);
  
      bool private swapping;
  
      address private marketingWallet;
      address private developmentWallet;
  
      uint256 public percentForLPBurn = 0; 
      bool public lpBurnEnabled = false;
      uint256 public lpBurnFrequency = 3600 seconds;
      uint256 public lastLpBurnTime;
  
      uint256 public maxTransactionAmount;
      uint256 public swapTokensAtAmount;
      uint256 public maxWallet;
  
      bool public limitsInEffect = true;
      bool public tradingActive = false;
      bool public swapEnabled = true;
  
      uint256 public manualBurnFrequency = 30 minutes;
      uint256 public lastManualLpBurnTime;
  
  
  
      mapping(address => uint256) private _holderLastTransferTimestamp; 
      bool public transferDelayEnabled = true;
  
      uint256 public buyTotalFees;
      uint256 public buyMarketingFee;
      uint256 public buyLiquidityFee;
      uint256 public buyDevelopmentFee;
  
      uint256 public sellTotalFees;
      uint256 public sellMarketingFee;
      uint256 public sellLiquidityFee;
      uint256 public sellDevelopmentFee;
  
      uint256 public tokensForMarketing;
      uint256 public tokensForLiquidity;
      uint256 public tokensForDev;
  
      mapping(address => bool) private _isExcludedFromFees;
      mapping(address => bool) public _isExcludedMaxTransactionAmount;
  
      mapping(address => bool) public automatedMarketMakerPairs;
  
      event UpdateUniswapV2Router(
          address indexed newAddress,
          address indexed oldAddress
      );
  
      event ExcludeFromFees(address indexed account, bool isExcluded);
  
      event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
  
      event marketingWalletUpdated(
          address indexed newWallet,
          address indexed oldWallet
      );
  
      event developmentWalletUpdated(
          address indexed newWallet,
          address indexed oldWallet
      );
  
      event SwapAndLiquify(
          uint256 tokensSwapped,
          uint256 ethReceived,
          uint256 tokensIntoLiquidity
      );
  
      event AutoNukeLP();
  
      event ManualNukeLP();
  
      constructor() ERC20("MiningUnit", "MPU") {
          
          uint256 _buyMarketingFee = 2;
          uint256 _buyLiquidityFee = 0;
          uint256 _buyDevelopmentFee = 1;
  
          uint256 _sellMarketingFee = 2;
          uint256 _sellLiquidityFee = 0;
          uint256 _sellDevelopmentFee = 1;
  
          uint256 totalSupply = 100_000_000 * 1e18;
  
          maxTransactionAmount = 1_200_000 * 1e18;
          maxWallet = 1_200_000 * 1e18; 
          swapTokensAtAmount = (totalSupply * 10) / 10000;
  
  
          buyMarketingFee = _buyMarketingFee;
          buyLiquidityFee = _buyLiquidityFee;
          buyDevelopmentFee = _buyDevelopmentFee;
          buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevelopmentFee;
  
          sellMarketingFee = _sellMarketingFee;
          sellLiquidityFee = _sellLiquidityFee;
          sellDevelopmentFee = _sellDevelopmentFee;
          sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevelopmentFee;
  
          marketingWallet = address(0x62D24f3F00B8f429ADf51e139314E5C5Ed9e4220);
          developmentWallet = address(0x62D24f3F00B8f429ADf51e139314E5C5Ed9e4220);
  
          excludeFromFees(owner(), true);
          excludeFromFees(address(this), true);
          excludeFromFees(address(0xdead), true);
  
          excludeFromMaxTransaction(owner(), true);
          excludeFromMaxTransaction(address(this), true);
          excludeFromMaxTransaction(address(0xdead), true);
  
          _mint(msg.sender, totalSupply);
      }
  
      receive() external payable {}
  
      function createPair() external onlyOwner {
          IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
              0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
          );
          excludeFromMaxTransaction(address(_uniswapV2Router), true);
          uniswapV2Router = _uniswapV2Router;
          uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
              .createPair(address(this), _uniswapV2Router.WETH());
          excludeFromMaxTransaction(address(uniswapV2Pair), true);
          _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
      }
  
      function enableTrade() external onlyOwner {
          tradingActive = true;
          swapEnabled = true;
          lastLpBurnTime = block.timestamp;
      }
  
      function removeLimits() external onlyOwner returns (bool) {
          limitsInEffect = false;
          return true;
      }
  
      function disableTransferDelay() external onlyOwner returns (bool) {
          transferDelayEnabled = false;
          return true;
      }
  
      function updateSwapTokensAtAmount(uint256 newAmount)
          external
          onlyOwner
          returns (bool)
      {
          require(
              newAmount >= (totalSupply() * 1) / 100000,
              "Swap amount cannot be lower than 0.001% total supply."
          );
          require(
              newAmount <= (totalSupply() * 5) / 1000,
              "Swap amount cannot be higher than 0.5% total supply."
          );
          swapTokensAtAmount = newAmount;
          return true;
      }
  
      function updateMaxTxnAmount(uint256 newNum) external onlyOwner {
          require(
              newNum >= ((totalSupply() * 1) / 1000) / 1e18,
              "Cannot set maxTransactionAmount lower than 0.1%"
          );
          maxTransactionAmount = newNum * (10**18);
      }
  
      function updateMaxWalletAmount(uint256 newNum) external onlyOwner {
          require(
              newNum >= ((totalSupply() * 5) / 1000) / 1e18,
              "Cannot set maxWallet lower than 0.5%"
          );
          maxWallet = newNum * (10**18);
      }
  
      function excludeFromMaxTransaction(address updAds, bool isEx)
          public
          onlyOwner
      {
          _isExcludedMaxTransactionAmount[updAds] = isEx;
      }
  
      function updateSwapEnabled(bool enabled) external onlyOwner {
          swapEnabled = enabled;
      }
  
      function updateBuyFees(
          uint256 _marketingFee,
          uint256 _liquidityFee,
          uint256 _developmentFee
      ) external onlyOwner {
          buyMarketingFee = _marketingFee;
          buyLiquidityFee = _liquidityFee;
          buyDevelopmentFee = _developmentFee;
          buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevelopmentFee;
      }
  
      function updateSellFees(
          uint256 _marketingFee,
          uint256 _liquidityFee,
          uint256 _developmentFee
      ) external onlyOwner {
          sellMarketingFee = _marketingFee;
          sellLiquidityFee = _liquidityFee;
          sellDevelopmentFee = _developmentFee;
          sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevelopmentFee;
      }
  
      function excludeFromFees(address account, bool excluded) public onlyOwner {
          _isExcludedFromFees[account] = excluded;
          emit ExcludeFromFees(account, excluded);
      }
  
      function setAutomatedMarketMakerPair(address pair, bool value)
          public
          onlyOwner
      {
          require(
              pair != uniswapV2Pair,
              "The pair cannot be removed from automatedMarketMakerPairs"
          );
  
          _setAutomatedMarketMakerPair(pair, value);
      }
  
      function _setAutomatedMarketMakerPair(address pair, bool value) private {
          automatedMarketMakerPairs[pair] = value;
  
          emit SetAutomatedMarketMakerPair(pair, value);
      }
  
      function updateMarketingWalletInfo(address newMarketingWallet)
          external
          onlyOwner
      {
          emit marketingWalletUpdated(newMarketingWallet, marketingWallet);
          marketingWallet = newMarketingWallet;
      }
  
      function updateDevelopmentWalletInfo(address newWallet) external onlyOwner {
          emit developmentWalletUpdated(newWallet, developmentWallet);
          developmentWallet = newWallet;
      }
  
      function isExcludedFromFees(address account) public view returns (bool) {
          return _isExcludedFromFees[account];
      }
  
      event BoughtEarly(address indexed sniper);
  
      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");
  
          if (amount == 0) {
              super._transfer(from, to, 0);
              return;
          }
  
          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."
                      );
                  }
  
                  // at launch if the transfer delay is enabled, ensure the block timestamps for purchasers is set -- during launch.
                  if (transferDelayEnabled) {
                      if (
                          to != owner() &&
                          to != address(uniswapV2Router) &&
                          to != address(uniswapV2Pair)
                      ) {
                          require(
                              _holderLastTransferTimestamp[tx.origin] <
                                  block.number,
                              "_transfer:: Transfer Delay enabled.  Only one purchase per block allowed."
                          );
                          _holderLastTransferTimestamp[tx.origin] = block.number;
                      }
                  }
  
                  //when buy
                  if (
                      automatedMarketMakerPairs[from] &&
                      !_isExcludedMaxTransactionAmount[to]
                  ) {
                      require(
                          amount <= maxTransactionAmount,
                          "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,
                          "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(amount);
  
              swapping = false;
          }
  
          if (
              !swapping &&
              automatedMarketMakerPairs[to] &&
              lpBurnEnabled &&
              block.timestamp >= lastLpBurnTime + lpBurnFrequency &&
              !_isExcludedFromFees[from]
          ) {
              autoBurnLiquidityPairTokens();
          }
  
          bool takeFee = !swapping;
  
          // if any account belongs to _isExcludedFromFee account then remove the fee
          if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
              takeFee = false;
          }
  
          uint256 fees = 0;
          // only take fees on buys/sells, do not take on wallet transfers
          if (takeFee) {
              // on sell
              if (automatedMarketMakerPairs[to] && sellTotalFees > 0) {
                  fees = amount.mul(sellTotalFees).div(100);
                  tokensForLiquidity += (fees * sellLiquidityFee) / sellTotalFees;
                  tokensForDev += (fees * sellDevelopmentFee) / sellTotalFees;
                  tokensForMarketing += (fees * sellMarketingFee) / sellTotalFees;
              }
              // on buy
              else if (automatedMarketMakerPairs[from] && buyTotalFees > 0) {
                  fees = amount.mul(buyTotalFees).div(100);
                  tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees;
                  tokensForDev += (fees * buyDevelopmentFee) / buyTotalFees;
                  tokensForMarketing += (fees * buyMarketingFee) / buyTotalFees;
              }
  
              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
              deadAddress,
              block.timestamp
          );
      }
  
      function swapBack(uint256 amount) private {
          uint256 contractBalance = balanceOf(address(this));
          uint256 totalTokensToSwap = tokensForLiquidity +
              tokensForMarketing +
              tokensForDev;
          bool success;
  
          if (contractBalance == 0 || totalTokensToSwap == 0) {
              return;
          }
  
          if (contractBalance > swapTokensAtAmount * 20) {
              if (amount > swapTokensAtAmount * 20) {
                  contractBalance = swapTokensAtAmount * 20;
              }
              else{
              contractBalance = amount;
              }
          }
  
          // Halve the amount of liquidity tokens
          uint256 liquidityTokens = (contractBalance * tokensForLiquidity) /
              totalTokensToSwap /
              2;
          uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
  
          uint256 initialETHBalance = address(this).balance;
  
          swapTokensForEth(amountToSwapForETH);
  
          uint256 ethBalance = address(this).balance.sub(initialETHBalance);
  
          uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(
              totalTokensToSwap
          );
          uint256 ethForDev = ethBalance.mul(tokensForDev).div(totalTokensToSwap);
  
          uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDev;
  
          tokensForLiquidity = 0;
          tokensForMarketing = 0;
          tokensForDev = 0;
  
          (success, ) = address(developmentWallet).call{value: ethForDev}("");
  
          if (liquidityTokens > 0 && ethForLiquidity > 0) {
              addLiquidity(liquidityTokens, ethForLiquidity);
              emit SwapAndLiquify(
                  amountToSwapForETH,
                  ethForLiquidity,
                  tokensForLiquidity
              );
          }
  
          (success, ) = address(marketingWallet).call{
              value: address(this).balance
          }("");
      }
  
      function manualswap() external {
          require(
              _msgSender() == developmentWallet ||
                  _msgSender() == marketingWallet
          );
          uint256 contractBalance = balanceOf(address(this));
          swapTokensForEth(contractBalance);
      }
  
      function manualsend() external {
          require(
              _msgSender() == developmentWallet ||
                  _msgSender() == marketingWallet
          );
          bool success;
          (success, ) = address(marketingWallet).call{
              value: address(this).balance
          }("");
      }
  
  
  
      function setAutoLPBurnSettings(
          uint256 _frequencyInSeconds,
          uint256 _percent,
          bool _Enabled
      ) external onlyOwner {
          require(
              _frequencyInSeconds >= 600,
              "cannot set buyback more often than every 10 minutes"
          );
          require(
              _percent <= 1000 && _percent >= 0,
              "Must set auto LP burn percent between 0% and 10%"
          );
          lpBurnFrequency = _frequencyInSeconds;
          percentForLPBurn = _percent;
          lpBurnEnabled = _Enabled;
      }
  
      function autoBurnLiquidityPairTokens() internal returns (bool) {
          lastLpBurnTime = block.timestamp;
  
          // get balance of liquidity pair
          uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);
  
          // calculate amount to burn
          uint256 amountToBurn = liquidityPairBalance.mul(percentForLPBurn).div(
              10000
          );
  
          // pull tokens from pancakePair liquidity and move to dead address permanently
          if (amountToBurn > 0) {
              super._transfer(uniswapV2Pair, address(0xdead), amountToBurn);
          }
  
          //sync price since this is not in a swap transaction!
          IUniswapV2Pair pair = IUniswapV2Pair(uniswapV2Pair);
          pair.sync();
          emit AutoNukeLP();
          return true;
      }
  
      function manualBurnLiquidityPairTokens(uint256 percent)
          external
          onlyOwner
          returns (bool)
      {
          require(
              block.timestamp > lastManualLpBurnTime + manualBurnFrequency,
              "Must wait for cooldown to finish"
          );
          require(percent <= 1000, "May not nuke more than 10% of tokens in LP");
          lastManualLpBurnTime = block.timestamp;
  
          // get balance of liquidity pair
          uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);
  
          // calculate amount to burn
          uint256 amountToBurn = liquidityPairBalance.mul(percent).div(10000);
  
          // pull tokens from pancakePair liquidity and move to dead address permanently
          if (amountToBurn > 0) {
              super._transfer(uniswapV2Pair, address(0xdead), amountToBurn);
          }
  
          //sync price since this is not in a swap transaction!
          IUniswapV2Pair pair = IUniswapV2Pair(uniswapV2Pair);
          pair.sync();
          emit ManualNukeLP();
          return true;
      }
  }