correction of reflectio

pragma solidity ^0.8.0;

interface IUniswapV2Router {
    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (
            uint256 amountToken,
            uint256 amountETH,
            uint256 liquidity
        );
}

contract MyToken {
    string public name = "MyToken";
    string public symbol = "MTK";
    uint256 public totalSupply = 1000000000000000000000000; // 1,000,000 tokens
    uint8 public decimals = 18;

    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;

    address private _owner;
    address private _uniswapV2RouterAddress;

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );

    modifier onlyOwner() {
        require(msg.sender == _owner, "Only the owner can call this function");
        _;
    }

    constructor(address uniswapV2RouterAddress) {
        _owner = msg.sender;
        _uniswapV2RouterAddress = uniswapV2RouterAddress;
        _balances[msg.sender] = totalSupply;
        emit Transfer(address(0), msg.sender, totalSupply);
    }

    function balanceOf(address account) public view returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount)
        public
        returns (bool)
    {
        _transfer(msg.sender, recipient, amount);
        return true;
    }

    function approve(address spender, uint256 amount) public returns (bool) {
        _approve(msg.sender, spender, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public returns (bool) {
        _transfer(sender, recipient, amount);
        uint256 currentAllowance = _allowances[sender][msg.sender];
        require(
            amount <= currentAllowance,
            "Transfer amount exceeds allowance"
        );
        _approve(sender, msg.sender, currentAllowance - amount);
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue)
        public
        returns (bool)
    {
        _approve(
            msg.sender,
            spender,
            _allowances[msg.sender][spender] + addedValue
        );
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue)
        public
        returns (bool)
    {
        uint256 currentAllowance = _allowances[msg.sender][spender];
        require(
            subtractedValue <= currentAllowance,
            "Decreased allowance below zero"
        );
        _approve(msg.sender, spender, currentAllowance - subtractedValue);
        return true;
    }

    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) private {
        require(sender != address(0), "Transfer from the zero address");
        require(recipient != address(0), "Transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        require(
            _balances[sender] >= amount,
            "Insufficient balance for transfer"
        );

        _balances[sender] -= amount;
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) private {
        require(owner != address(0), "Approve from the zero address");
        require(spender != address(0), "Approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
        IUniswapV2Router uniswapV2Router = IUniswapV2Router(
            _uniswapV2RouterAddress
        );

        _approve(address(this), address(uniswapV2Router), tokenAmount);

        uniswapV2Router.addLiquidityETH{value: ethAmount}(
            address(this),
            tokenAmount,
            0,
            0,
            address(this),
            block.timestamp
        );
    }

    function swapTokensForEth(uint256 tokenAmount) private {
        // Swap tokens for ETH using Uniswap V2 Router
    }

    function swapAndLiquify(uint256 tokenAmount) private {
        // Swap tokens for ETH and add liquidity
        swapTokensForEth(tokenAmount);
        addLiquidity(tokenAmount, address(this).balance);
    }

    function swapTokensForEth(uint256 tokenAmount) private {
        IUniswapV2Router uniswapV2Router = IUniswapV2Router(
            _uniswapV2RouterAddress
        );

        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 addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
        IUniswapV2Router uniswapV2Router = IUniswapV2Router(
            _uniswapV2RouterAddress
        );

        _approve(address(this), address(uniswapV2Router), tokenAmount);

        uniswapV2Router.addLiquidityETH{value: ethAmount}(
            address(this),
            tokenAmount,
            0,
            0,
            address(this),
            block.timestamp
        );
    }

    function setUniswapV2Router(address uniswapV2RouterAddress)
        external
        onlyOwner
    {
        _uniswapV2RouterAddress = uniswapV2RouterAddress;
    }
}