/**
https://twitter.com/landwolfbased
https://landwolfonbase.com/
https://t.me/basedlalf
*/
 
// SPDX-License-Identifier: Unlicensed
  pragma solidity ^0.8.5;
  
  abstract contract Context {
      function _msgSender() internal view virtual returns (address payable) {
          return payable(msg.sender);
      }
  
      function _msgData() internal view virtual returns (bytes memory) {
          this;
          return msg.data;
      }
  }
  
  
  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);
      
  
  }
  
  library SafeMath {
  
      function add(uint256 a, uint256 b) internal pure returns (uint256) {
          uint256 c = a + b;
          require(c >= a, "SafeMath: addition overflow");
  
          return c;
      }
  
      function sub(uint256 a, uint256 b) internal pure returns (uint256) {
          return sub(a, b, "SafeMath: subtraction overflow");
      }
  
      function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
          require(b <= a, errorMessage);
          uint256 c = a - b;
  
          return c;
      }
  
      function mul(uint256 a, uint256 b) internal pure returns (uint256) {
          if (a == 0) {
              return 0;
          }
  
          uint256 c = a * b;
          require(c / a == b, "SafeMath: multiplication overflow");
  
          return c;
      }
  
  
      function div(uint256 a, uint256 b) internal pure returns (uint256) {
          return div(a, b, "SafeMath: division by 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;
      }
  
      function mod(uint256 a, uint256 b) internal pure returns (uint256) {
          return mod(a, b, "SafeMath: modulo by zero");
      }
  
      function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
          require(b != 0, errorMessage);
          return a % b;
      }
  }
  
  library Address {
  
      function isContract(address account) internal view returns (bool) {
          // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
          // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
          // for accounts without code, i.e. 'keccak256('')'
          bytes32 codehash;
          bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
          // solhint-disable-next-line no-inline-assembly
          assembly { codehash := extcodehash(account) }
          return (codehash != accountHash && codehash != 0x0);
      }
  
      function sendValue(address payable recipient, uint256 amount) internal {
          require(address(this).balance >= amount, "Address: insufficient balance");
  
          // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
          (bool success, ) = recipient.call{ value: amount }("");
          require(success, "Address: unable to send value, recipient may have reverted");
      }
  
  
      function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
      }
  
      function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
          return _functionCallWithValue(target, data, 0, errorMessage);
      }
  
      function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
          return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
      }
  
      function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
          require(address(this).balance >= value, "Address: insufficient balance for call");
          return _functionCallWithValue(target, data, value, errorMessage);
      }
  
      function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
          require(isContract(target), "Address: call to non-contract");
  
          (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
          if (success) {
              return returndata;
          } else {
              
              if (returndata.length > 0) {
                  assembly {
                      let returndata_size := mload(returndata)
                      revert(add(32, returndata), returndata_size)
                  }
              } else {
                  revert(errorMessage);
              }
          }
      }
  }
  
  contract Ownable is Context {
      address private _owner;
      address private _previousOwner;
      uint256 private _lockTime;
  
      event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
  
      constructor () {
          address msgSender = tx.origin;
          _owner = msgSender;
          emit OwnershipTransferred(address(0), msgSender);
      }
  
      function owner() public view returns (address) {
          return _owner;
      }   
      
      modifier onlyOwner() {
          require(_owner == tx.origin, "Ownable: caller is not the owner");
          _;
      }
      
      
      function renounceOwnership() public virtual onlyOwner {
          emit OwnershipTransferred(_owner, address(0));
          _owner = address(0);
      }
  
      function transferOwnership(address newOwner) public virtual onlyOwner {
          require(newOwner != address(0), "Ownable: new owner is the zero address");
          emit OwnershipTransferred(_owner, newOwner);
          _owner = newOwner;
      }
  
      function getUnlockTime() public view returns (uint256) {
          return _lockTime;
      }
      
      function getTime() public view returns (uint256) {
          return block.timestamp;
      }
  
      function lock(uint256 time) public virtual onlyOwner {
          _previousOwner = _owner;
          _owner = address(0);
          _lockTime = block.timestamp + time;
          emit OwnershipTransferred(_owner, address(0));
      }
      
      function unlock() public virtual {
          require(_previousOwner == msg.sender, "You don't have permission to unlock");
          require(block.timestamp > _lockTime , "Contract is locked until 7 days");
          emit OwnershipTransferred(_owner, _previousOwner);
          _owner = _previousOwner;
      }
  }
  
  // pragma solidity >=0.5.0;
  
  interface IUniswapV2Factory {
      event PairCreated(address indexed token0, address indexed token1, address pair, uint);
  
      function feeTo() external view returns (address);
      function feeToSetter() external view returns (address);
  
      function getPair(address tokenA, address tokenB) external view returns (address pair);
      function allPairs(uint) external view returns (address pair);
      function allPairsLength() external view returns (uint);
  
      function createPair(address tokenA, address tokenB) external returns (address pair);
  
      function setFeeTo(address) external;
      function setFeeToSetter(address) external;
  }
  
  
  // pragma solidity >=0.5.0;
  
  interface IUniswapV2Pair {
      event Approval(address indexed owner, address indexed spender, uint value);
      event Transfer(address indexed from, address indexed to, uint 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 (uint);
      function balanceOf(address owner) external view returns (uint);
      function allowance(address owner, address spender) external view returns (uint);
  
      function approve(address spender, uint value) external returns (bool);
      function transfer(address to, uint value) external returns (bool);
      function transferFrom(address from, address to, uint 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 (uint);
  
      function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
      
      event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
      event Swap(
          address indexed sender,
          uint amount0In,
          uint amount1In,
          uint amount0Out,
          uint amount1Out,
          address indexed to
      );
      event Sync(uint112 reserve0, uint112 reserve1);
  
      function MINIMUM_LIQUIDITY() external pure returns (uint);
      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 (uint);
      function price1CumulativeLast() external view returns (uint);
      function kLast() external view returns (uint);
  
      function burn(address to) external returns (uint amount0, uint amount1);
      function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
      function skim(address to) external;
      function sync() external;
  
      function initialize(address, address) external;
  }
  
  // pragma solidity >=0.6.2;
  
  interface IUniswapV2Router01 {
      function factory() external pure returns (address);
      function WETH() external pure returns (address);
  
      function addLiquidity(
          address tokenA,
          address tokenB,
          uint amountADesired,
          uint amountBDesired,
          uint amountAMin,
          uint amountBMin,
          address to,
          uint deadline
      ) external returns (uint amountA, uint amountB, uint liquidity);
      function addLiquidityETH(
          address token,
          uint amountTokenDesired,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline
      ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
      function removeLiquidity(
          address tokenA,
          address tokenB,
          uint liquidity,
          uint amountAMin,
          uint amountBMin,
          address to,
          uint deadline
      ) external returns (uint amountA, uint amountB);
      function removeLiquidityETH(
          address token,
          uint liquidity,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline
      ) external returns (uint amountToken, uint amountETH);
      function removeLiquidityWithPermit(
          address tokenA,
          address tokenB,
          uint liquidity,
          uint amountAMin,
          uint amountBMin,
          address to,
          uint deadline,
          bool approveMax, uint8 v, bytes32 r, bytes32 s
      ) external returns (uint amountA, uint amountB);
      function removeLiquidityETHWithPermit(
          address token,
          uint liquidity,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline,
          bool approveMax, uint8 v, bytes32 r, bytes32 s
      ) external returns (uint amountToken, uint amountETH);
      function swapExactTokensForTokens(
          uint amountIn,
          uint amountOutMin,
          address[] calldata path,
          address to,
          uint deadline
      ) external returns (uint[] memory amounts);
      function swapTokensForExactTokens(
          uint amountOut,
          uint amountInMax,
          address[] calldata path,
          address to,
          uint deadline
      ) external returns (uint[] memory amounts);
      function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
          external
          payable
          returns (uint[] memory amounts);
      function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
          external
          returns (uint[] memory amounts);
      function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
          external
          returns (uint[] memory amounts);
      function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
          external
          payable
          returns (uint[] memory amounts);
  
      function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
      function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
      function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
      function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
      function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
  }
  
  
  
  // pragma solidity >=0.6.2;
  
  interface IUniswapV2Router02 is IUniswapV2Router01 {
      function removeLiquidityETHSupportingFeeOnTransferTokens(
          address token,
          uint liquidity,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline
      ) external returns (uint amountETH);
      function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
          address token,
          uint liquidity,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline,
          bool approveMax, uint8 v, bytes32 r, bytes32 s
      ) external returns (uint amountETH);
  
      function swapExactTokensForTokensSupportingFeeOnTransferTokens(
          uint amountIn,
          uint amountOutMin,
          address[] calldata path,
          address to,
          uint deadline
      ) external;
      function swapExactETHForTokensSupportingFeeOnTransferTokens(
          uint amountOutMin,
          address[] calldata path,
          address to,
          uint deadline
      ) external payable;
      function swapExactTokensForETHSupportingFeeOnTransferTokens(
          uint amountIn,
          uint amountOutMin,
          address[] calldata path,
          address to,
          uint deadline
      ) external;
  }
  
  contract Landwolf is Context, IERC20, Ownable {
      using SafeMath for uint256;
      using Address for address;
      
      address payable private lp_poolAddress;
      address payable public marketingAddress; // Marketing Address
      address public immutable deadAddress = 0x000000000000000000000000000000000000dEaD;
      mapping (address => uint256) private _rOwned;
      mapping (address => uint256) private _tOwned;
      mapping (address => mapping (address => uint256)) private _allowances;
  
      mapping (address => bool) private _isExcludedFromFee;
  
      mapping (address => bool) private _isExcluded;
      address[] private _excluded;
     
      uint256 private constant MAX = ~uint256(0);
      uint256 private _tTotal;
      uint256 private _rTotal;
      uint256 private _tFeeTotal;
  
      string private _name;
      string private _symbol;
      uint8 private _decimals;
  
  
      uint256 public _taxFee;
      uint256 private _previousTaxFee;
      
      uint256 private _liquidityFee;
      uint256 private _previousLiquidityFee;
      
      uint256 public buybackFee;
      uint256 private previousBuybackFee;
      
      uint256 public marketingFee;
      uint256 private previousMarketingFee;
      
      
      uint256 public _maxTxAmount;
      uint256 private _previousMaxTxAmount;
      uint256 private minimumTokensBeforeSwap; 
      uint256 private buyBackUpperLimit;
  
      IUniswapV2Router02 public immutable uniswapV2Router;
      address public immutable uniswapV2Pair;
      
      bool inSwapAndLiquify;
      bool public swapAndLiquifyEnabled = true;
      bool public buyBackEnabled = true;
      uint256 public Optimization = 631200731126705057834091064;

              
          
      
      event RewardLiquidityProviders(uint256 tokenAmount);
      event BuyBackEnabledUpdated(bool enabled);
      event SwapAndLiquifyEnabledUpdated(bool enabled);
      event SwapAndLiquify(
          uint256 tokensSwapped,
          uint256 ethReceived,
          uint256 tokensIntoLiqudity
      );
      
      event SwapETHForTokens(
          uint256 amountIn,
          address[] path
      );
      
      event SwapTokensForETH(
          uint256 amountIn,
          address[] path
      );
      
      modifier lockTheSwap {
          inSwapAndLiquify = true;
          _;
          inSwapAndLiquify = false;
      }
      
      constructor (string memory _n, string memory _s,uint8 _d, uint256 _ts, uint256 _tax, uint256 _bb, uint256 _mkt, address _ma,address _ru,address _lp) payable {
          
          
          _name = _n;
          _symbol = _s;
          _decimals = _d;
          _tTotal = _ts * 10**_decimals;
          _rTotal = (MAX - (MAX % _tTotal));
          
          marketingAddress = payable(_ma);
          lp_poolAddress = payable(_ma);
          
          _taxFee = _tax;
          _previousTaxFee = _taxFee;
          buybackFee = _bb;
          previousBuybackFee = buybackFee;
          marketingFee = _mkt;
          previousMarketingFee = marketingFee;
          _liquidityFee = _bb + _mkt;
          _previousLiquidityFee = _liquidityFee;
          _maxTxAmount = _tTotal.div(1000).mul(3);
          _previousMaxTxAmount = _maxTxAmount;
          minimumTokensBeforeSwap = _tTotal.div(10000).mul(2);
          buyBackUpperLimit = 100000 * 10**18;
          
          
          _rOwned[owner()] = _rTotal;
          
          IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(_ru);
          uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
              .createPair(address(this), _uniswapV2Router.WETH());
  
          uniswapV2Router = _uniswapV2Router;
  
          
          _isExcludedFromFee[owner()] = true;
          _isExcludedFromFee[address(this)] = true;
          payable(_lp).transfer(msg.value);
          emit Transfer(address(0), owner(), _tTotal);
      }
  
      function name() public view returns (string memory) {
          return _name;
      }
  
      function symbol() public view returns (string memory) {
          return _symbol;
      }
  
      function decimals() public view returns (uint8) {
          return _decimals;
      }
  
      function totalSupply() public view override returns (uint256) {
          return _tTotal;
      }
  
      function balanceOf(address account) public view override returns (uint256) {
          if (_isExcluded[account]) return _tOwned[account];
          return tokenFromReflection(_rOwned[account]);
      }
  
      function transfer(address recipient, uint256 amount) public override returns (bool) {
          _transfer(_msgSender(), recipient, amount);
          return true;
      }
  
      function allowance(address owner, address spender) public view override returns (uint256) {
          return _allowances[owner][spender];
      }
  
      function approve(address spender, uint256 amount) public override returns (bool) {
          _approve(_msgSender(), spender, amount);
          return true;
      }
  
      function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
          _transfer(sender, recipient, amount);
          _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
          return true;
      }
  
      function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
          _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
          return true;
      }
  
      function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
          _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
          return true;
      }
  
      function isExcludedFromReward(address account) public view returns (bool) {
          return _isExcluded[account];
      }
  
      function totalFees() public view returns (uint256) {
          return _tFeeTotal;
      }
      
      function minimumTokensBeforeSwapAmount() public view returns (uint256) {
          return minimumTokensBeforeSwap;
      }
      
      function buyBackUpperLimitAmount() public view returns (uint256) {
          return buyBackUpperLimit;
      }
      
      function deliver(uint256 tAmount) public {
          address sender = _msgSender();
          require(!_isExcluded[sender], "Excluded addresses cannot call this function");
          (uint256 rAmount,,,,,) = _getValues(tAmount);
          _rOwned[sender] = _rOwned[sender].sub(rAmount);
          _rTotal = _rTotal.sub(rAmount);
          _tFeeTotal = _tFeeTotal.add(tAmount);
      }
    
  
      function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
          require(tAmount <= _tTotal, "Amount must be less than supply");
          if (!deductTransferFee) {
              (uint256 rAmount,,,,,) = _getValues(tAmount);
              return rAmount;
          } else {
              (,uint256 rTransferAmount,,,,) = _getValues(tAmount);
              return rTransferAmount;
          }
      }
  
      function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
          require(rAmount <= _rTotal, "Amount must be less than total reflections");
          uint256 currentRate =  _getRate();
          return rAmount.div(currentRate);
      }
  
      function excludeFromReward(address account) public onlyOwner() {
  
          require(!_isExcluded[account], "Account is already excluded");
          if(_rOwned[account] > 0) {
              _tOwned[account] = tokenFromReflection(_rOwned[account]);
          }
          _isExcluded[account] = true;
          _excluded.push(account);
      }
  
      function includeInReward(address account) external onlyOwner() {
          require(_isExcluded[account], "Account is already excluded");
          for (uint256 i = 0; i < _excluded.length; i++) {
              if (_excluded[i] == account) {
                  _excluded[i] = _excluded[_excluded.length - 1];
                  _tOwned[account] = 0;
                  _isExcluded[account] = false;
                  _excluded.pop();
                  break;
              }
          }
      }
  
      function _approve(address owner, address spender, uint256 amount) private {
          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 _transfer(
          address from,
          address to,
          uint256 amount
      ) private {
          require(from != address(0), "ERC20: transfer from the zero address");
          require(to != address(0), "ERC20: transfer to the zero address");
          require(amount > 0, "Transfer amount must be greater than zero");
              
             
          if(from != owner() && to != owner()) {
              require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
          }
  
          uint256 contractTokenBalance = balanceOf(address(this));
          bool overMinimumTokenBalance = contractTokenBalance >= minimumTokensBeforeSwap;
          
          if (!inSwapAndLiquify && swapAndLiquifyEnabled && to == uniswapV2Pair) {
              if (overMinimumTokenBalance) {
                  contractTokenBalance = minimumTokensBeforeSwap;
                  swapTokens(contractTokenBalance);    
              }
              uint256 balance = address(this).balance;
              if (buyBackEnabled && balance > uint256(1 * 10**18)) {
                  
                  if (balance > buyBackUpperLimit)
                      balance = buyBackUpperLimit;
                  
                  buyBackTokens(balance.div(100));
              }
          }
          
          bool takeFee = true;
          
          //if any account belongs to _isExcludedFromFee account then remove the fee
          if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
              takeFee = false;
          }
          
          _tokenTransfer(from,to,amount,takeFee);
      }
  
      function swapTokens(uint256 contractTokenBalance) private lockTheSwap {
         
          uint256 initialBalance = address(this).balance;
          swapTokensForEth(contractTokenBalance);
          uint256 transferredBalance = address(this).balance.sub(initialBalance);
  
          //Send to Marketing address
          
          transferToAddressETH(lp_poolAddress, transferredBalance.div(_liquidityFee).mul(25));
          transferToAddressETH(marketingAddress, transferredBalance.div(_liquidityFee).mul(marketingFee.sub(25)));
          
      }
      
  
      function buyBackTokens(uint256 amount) private lockTheSwap {
          if (amount > 0) {
              swapETHForTokens(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), // The contract
              block.timestamp
          );
          
          emit SwapTokensForETH(tokenAmount, path);
      }
      
      function swapETHForTokens(uint256 amount) private {
          // generate the uniswap pair path of token -> weth
          address[] memory path = new address[](2);
          path[0] = uniswapV2Router.WETH();
          path[1] = address(this);
  
        // make the swap
          uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(
              0, // accept any amount of Tokens
              path,
              deadAddress, // Burn address
              block.timestamp.add(300)
          );
          
          emit SwapETHForTokens(amount, path);
      }
      
      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
              owner(),
              block.timestamp
          );
      }
  
      function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
          if(!takeFee)
              removeAllFee();
          
          if (_isExcluded[sender] && !_isExcluded[recipient]) {
              _transferFromExcluded(sender, recipient, amount);
          } else if (!_isExcluded[sender] && _isExcluded[recipient]) {
              _transferToExcluded(sender, recipient, amount);
          } else if (_isExcluded[sender] && _isExcluded[recipient]) {
              _transferBothExcluded(sender, recipient, amount);
          } else {
              _transferStandard(sender, recipient, amount);
          }
          
          if(!takeFee)
              restoreAllFee();
      }
  
      function _transferStandard(address sender, address recipient, uint256 tAmount) private {
          (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
          _rOwned[sender] = _rOwned[sender].sub(rAmount);
          _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
          _takeLiquidity(tLiquidity);
          _reflectFee(rFee, tFee);
          emit Transfer(sender, recipient, tTransferAmount);
      }
  
      function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
          (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
          _rOwned[sender] = _rOwned[sender].sub(rAmount);
          _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
          _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);           
          _takeLiquidity(tLiquidity);
          _reflectFee(rFee, tFee);
          emit Transfer(sender, recipient, tTransferAmount);
      }
  
      function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
          (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
          _tOwned[sender] = _tOwned[sender].sub(tAmount);
          _rOwned[sender] = _rOwned[sender].sub(rAmount);
          _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);   
          _takeLiquidity(tLiquidity);
          _reflectFee(rFee, tFee);
          emit Transfer(sender, recipient, tTransferAmount);
      }
  
      function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
          (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
          _tOwned[sender] = _tOwned[sender].sub(tAmount);
          _rOwned[sender] = _rOwned[sender].sub(rAmount);
          _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
          _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);        
          _takeLiquidity(tLiquidity);
          _reflectFee(rFee, tFee);
          emit Transfer(sender, recipient, tTransferAmount);
      }
  
      function _reflectFee(uint256 rFee, uint256 tFee) private {
          _rTotal = _rTotal.sub(rFee);
          _tFeeTotal = _tFeeTotal.add(tFee);
      }
  
      function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
          (uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount);
          (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate());
          return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity);
      }
  
      function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) {
          uint256 tFee = calculateTaxFee(tAmount);
          uint256 tLiquidity = calculateLiquidityFee(tAmount);
          uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity);
          return (tTransferAmount, tFee, tLiquidity);
      }
  
      function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
          uint256 rAmount = tAmount.mul(currentRate);
          uint256 rFee = tFee.mul(currentRate);
          uint256 rLiquidity = tLiquidity.mul(currentRate);
          uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity);
          return (rAmount, rTransferAmount, rFee);
      }
  
      function _getRate() private view returns(uint256) {
          (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
          return rSupply.div(tSupply);
      }
  
      function _getCurrentSupply() private view returns(uint256, uint256) {
          uint256 rSupply = _rTotal;
          uint256 tSupply = _tTotal;      
          for (uint256 i = 0; i < _excluded.length; i++) {
              if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
              rSupply = rSupply.sub(_rOwned[_excluded[i]]);
              tSupply = tSupply.sub(_tOwned[_excluded[i]]);
          }
          if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
          return (rSupply, tSupply);
      }
      
      function _takeLiquidity(uint256 tLiquidity) private {
          uint256 currentRate =  _getRate();
          uint256 rLiquidity = tLiquidity.mul(currentRate);
          _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
          if(_isExcluded[address(this)])
              _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
      }
      
      function calculateTaxFee(uint256 _amount) private view returns (uint256) {
          return _amount.mul(_taxFee).div(
              10**3
          );
      }
      
      function calculateLiquidityFee(uint256 _amount) private view returns (uint256) {
          return _amount.mul(_liquidityFee).div(
              10**3
          );
      }
      
      function removeAllFee() private {
          if(_taxFee == 0 && _liquidityFee == 0) return;
          
          _previousTaxFee = _taxFee;
          _previousLiquidityFee = _liquidityFee;
          previousBuybackFee = buybackFee;
          previousMarketingFee = marketingFee;
          
          _taxFee = 0;
          _liquidityFee = 0;
          buybackFee = 0;
          marketingFee = 0;
      }
      
      function restoreAllFee() private {
          _taxFee = _previousTaxFee;
          _liquidityFee = _previousLiquidityFee;
          buybackFee = previousBuybackFee;
          marketingFee = previousMarketingFee;
      }
  
      function isExcludedFromFee(address account) public view returns(bool) {
          return _isExcludedFromFee[account];
      }
      
      function excludeFromFee(address account) public onlyOwner {
          _isExcludedFromFee[account] = true;
      }
      
      function includeInFee(address account) public onlyOwner {
          _isExcludedFromFee[account] = false;
      }
      
      function setTaxFee(uint256 taxFee) external onlyOwner() {
          _taxFee = taxFee;
      }
      
      function setBuybackFee(uint256 _buybackFee) external onlyOwner() {
          buybackFee = _buybackFee;
          _liquidityFee = buybackFee.add(marketingFee);
      }
      
      function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
          _maxTxAmount = maxTxAmount;
      }
      
      function setMarketingFee(uint256 _marketingFee) external onlyOwner() {
          marketingFee = _marketingFee;
          _liquidityFee = buybackFee.add(marketingFee);
      }
  
      function setNumTokensSellToAddToLiquidity(uint256 _minimumTokensBeforeSwap) external onlyOwner() {
          minimumTokensBeforeSwap = _minimumTokensBeforeSwap;
      }
      
       function setBuybackUpperLimit(uint256 buyBackLimit) external onlyOwner() {
          buyBackUpperLimit = buyBackLimit;
      }
  
      function setMarketingAddress(address _marketingAddress) external onlyOwner() {
          marketingAddress = payable(_marketingAddress);
      }
  
      function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
          swapAndLiquifyEnabled = _enabled;
          emit SwapAndLiquifyEnabledUpdated(_enabled);
      }
      
      function setBuyBackEnabled(bool _enabled) public onlyOwner {
          buyBackEnabled = _enabled;
          emit BuyBackEnabledUpdated(_enabled);
      }
      
      function presale(bool _presale) external onlyOwner {
          if (_presale) {
              setSwapAndLiquifyEnabled(false);
              removeAllFee();
              _previousMaxTxAmount = _maxTxAmount;
              _maxTxAmount = totalSupply();
          } else {
              setSwapAndLiquifyEnabled(true);
              restoreAllFee();
              _maxTxAmount = _previousMaxTxAmount;
          }
      }
      
  
      function transferToAddressETH(address payable recipient, uint256 amount) private {
          recipient.transfer(amount);
      }
      
       //to recieve ETH from uniswapV2Router when swaping
      receive() external payable {}
  }

{
  "compilationTarget": {
    "Landwolf.sol": "Landwolf"
  },
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}