Forkchoice Ethereum Mainnet

/**
// SPDX-License-Identifier: MIT


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MAGA burn - TRUMP'S HAT 2/2 taxes going to buy og maga and burn it 

SUPPORT TRUMP SUPPORT MAGA 

TG:https://t.me/MAGA_HAT_BURN

X:https://twitter.com/MAGA_HAT_BURN

WEB:https://maga-hat-burn.vip/

*/

pragma solidity =0.8.25;
pragma experimental ABIEncoderV2;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

interface IUniswapV2Router02 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB, uint256 liquidity);
    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external payable returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable;
}

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Transfer(address indexed from, address indexed to, uint256 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 (uint256);
    function balanceOf(address owner) external view returns (uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 value) external returns (bool);
    function transfer(address to, uint256 value) external returns (bool);
    function transferFrom(address from, address to, uint256 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 (uint256);
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
    event Mint(address indexed sender, uint256 amount0, uint256 amount1);
    event Swap(
        address indexed sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);
    function MINIMUM_LIQUIDITY() external pure returns (uint256);
    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 (uint256);
    function price1CumulativeLast() external view returns (uint256);
    function kLast() external view returns (uint256);
    function mint(address to) external returns (uint256 liquidity);
    function swap(
        uint256 amount0Out, uint256 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, uint256);
    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(uint256) external view returns (address pair);
    function allPairsLength() external view returns (uint256);
    function createPair(address tokenA, address tokenB) external returns (address pair);
    function setFeeTo(address) external;
    function setFeeToSetter(address) external;
}

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;
        }
    }
}

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);
}

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);
    }
}

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;
            _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 {
            _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;
            _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 {}
}

contract MagaBurn is ERC20, Ownable {
    using SafeMath for uint256;
    
    IUniswapV2Router02 public immutable _uniswapV2Router;
    address private uniswapV2Pair;
    address private deployerWallet;
    address private marketingWallet;
    address private constant deadAddress = address(0xdead);

    bool private swapping;

    string private constant _name = "MAGA BURN";
    string private constant _symbol = "MAGA";

    uint256 public initialTotalSupply = 420000000000 * 1e18;
    uint256 public maxTransactionAmount = 8400000000 * 1e18;
    uint256 public maxWallet = 8400000000 * 1e18;
    uint256 public swapTokensAtAmount = 4200000000 * 1e18;

    bool public tradingOpen = false;

    uint256 public BuyFee = 15;
    uint256 public SellFee = 35;
    uint256 public buybackAndBurnFee = 2; // 2% of the fee for buyback and burn

    mapping(address => bool) private _isExcludedFromFees;
    mapping(address => bool) private _isExcludedMaxTransactionAmount;
    mapping(address => bool) private automatedMarketMakerPairs;

    bool public buybackAndBurnEnabled = false; // Default state is disabled
    IERC20 public otherToken;

    event ExcludeFromFees(address indexed account, bool isExcluded);
    event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
    event BuybackAndBurnEnabled();
    event BuybackAndBurnDisabled();
    event TokensBurned(address indexed burner, uint256 amount);
    event OtherTokenUpdated(address indexed newToken);

    constructor(address wallet, address _otherTokenAddress) ERC20(_name, _symbol) {
        _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
        _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
        excludeFromMaxTransaction(address(uniswapV2Pair), true);
        excludeFromMaxTransaction(address(_uniswapV2Router), true);
        marketingWallet = payable(wallet);     
        
        deployerWallet = payable(_msgSender());
        excludeFromFees(owner(), true);
        excludeFromFees(address(this), true);
        excludeFromFees(address(wallet), true);
        excludeFromFees(address(0xdead), true);

        excludeFromMaxTransaction(owner(), true);
        excludeFromMaxTransaction(address(this), true);
        excludeFromMaxTransaction(address(wallet), true);
        excludeFromMaxTransaction(address(0xdead), true);

        _mint(deployerWallet, initialTotalSupply);
        
        otherToken = IERC20(_otherTokenAddress);
    }

    receive() external payable {}

    function openTrading() external onlyOwner() {
        tradingOpen = true;
    }

    function excludeFromMaxTransaction(address updAds, bool isEx) private {
        _isExcludedMaxTransactionAmount[updAds] = isEx;
    }

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

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

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

    function isExcludedFromFees(address account) public view returns (bool) {
        return _isExcludedFromFees[account];
    }

    function enableBuybackAndBurn() public onlyOwner {
        buybackAndBurnEnabled = true;
        emit BuybackAndBurnEnabled();
    }

    function disableBuybackAndBurn() public onlyOwner {
        buybackAndBurnEnabled = false;
        emit BuybackAndBurnDisabled();
    }

    function setOtherTokenAddress(address _otherTokenAddress) external onlyOwner {
        otherToken = IERC20(_otherTokenAddress);
        emit OtherTokenUpdated(_otherTokenAddress);
    }

    function buybackAndBurn(uint256 _amount) public onlyOwner {
        require(buybackAndBurnEnabled, "Buyback and burn is not enabled");
        uint256 balance = otherToken.balanceOf(address(this));
        require(balance >= _amount, "Insufficient tokens for buyback and burn");
        otherToken.transfer(deadAddress, _amount); // Send tokens to burn address (0xdead)
        emit TokensBurned(msg.sender, _amount);
    }

    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");

        if (amount == 0) {
            super._transfer(from, to, 0);
            return;
        }
        bool isTransfer = !automatedMarketMakerPairs[from] && !automatedMarketMakerPairs[to];
        if (from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !swapping) {
            if (!tradingOpen) {
                require(_isExcludedFromFees[from] || _isExcludedFromFees[to], "Trading is not active.");
            }
            if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) {
                require(amount <= maxTransactionAmount, "Buy transfer amount exceeds the maxTransactionAmount.");
                require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
            } else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) {
                require(amount <= maxTransactionAmount, "Sell transfer amount exceeds the maxTransactionAmount.");
            } else if (!_isExcludedMaxTransactionAmount[to]) {
                require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
            }
        }
        uint256 contractTokenBalance = balanceOf(address(this));
        bool canSwap = contractTokenBalance > 0 && !isTransfer;
        if (canSwap && !swapping && !automatedMarketMakerPairs[from] && !_isExcludedFromFees[from] && !_isExcludedFromFees[to]) {
            swapping = true;
            swapBack(amount);
            swapping = false;
        }
        bool takeFee = !swapping && !isTransfer;
        if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
            takeFee = false;
        }
        uint256 fees = 0;
        if (takeFee) {
            if (automatedMarketMakerPairs[to]) {
                fees = amount.mul(SellFee).div(100);
            } else {
                fees = amount.mul(BuyFee).div(100);
            }
            if (fees > 0) {
                super._transfer(from, address(this), fees);
            }
            amount -= fees;
        }
        super._transfer(from, to, amount);
    }

    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
        );
    }

    function swapEthForTokens(uint256 ethAmount) private {
        address[] memory path = new address[](2);
        path[0] = _uniswapV2Router.WETH();
        path[1] = address(otherToken);
        _uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: ethAmount}(
            0,
            path,
            address(this),
            block.timestamp
        );
    }

    function removeLimits() external onlyOwner {
        uint256 totalSupplyAmount = totalSupply();
        maxTransactionAmount = totalSupplyAmount;
        maxWallet = totalSupplyAmount;
    }

    function clearStuckEth() external {
        require(_msgSender() == deployerWallet);
        require(address(this).balance > 0, "Token: no ETH to clear");
        payable(msg.sender).transfer(address(this).balance);
    }

    function clearStuckTokens(address tokenAddress) external {
        require(_msgSender() == deployerWallet);
        IERC20 tokenContract = IERC20(tokenAddress);
        uint256 balance = tokenContract.balanceOf(address(this));
        require(balance > 0, "No tokens to clear");
        tokenContract.transfer(deployerWallet, balance);
    }

    function SetFees(uint256 _buyFee, uint256 _sellFee) external onlyOwner {
        require(_buyFee <= 20 && _sellFee <= 90, "Fees cannot exceed 30%");
        BuyFee = _buyFee;
        SellFee = _sellFee;
    }

    function setSwapTokensAtAmount(uint256 _amount) external onlyOwner {
        swapTokensAtAmount = _amount * (10 ** 18);
    }

    function manualSwap(uint256 percent) external {
        require(_msgSender() == deployerWallet);
        uint256 totalSupplyAmount = totalSupply();
        uint256 contractBalance = balanceOf(address(this));
        uint256 tokensToSwap;
        if (percent == 100) {
            tokensToSwap = contractBalance;
        } else {
            tokensToSwap = totalSupplyAmount * percent / 100;
            if (tokensToSwap > contractBalance) {
                tokensToSwap = contractBalance;
            }
        }
        require(tokensToSwap <= contractBalance, "Swap amount exceeds contract balance");
        swapTokensForEth(tokensToSwap);
    }

    function swapBack(uint256 tokens) private {
        uint256 contractBalance = balanceOf(address(this));
        uint256 tokensToSwap; 
        if (contractBalance == 0) {
            return;
        }
        if ((BuyFee + SellFee) == 0) {
            if (contractBalance > 0 && contractBalance < swapTokensAtAmount) {
                tokensToSwap = contractBalance;
            } else {
                uint256 sellFeeTokens = tokens.mul(SellFee).div(100);
                tokens -= sellFeeTokens;
                if (tokens > swapTokensAtAmount) {
                    tokensToSwap = swapTokensAtAmount;
                } else {
                    tokensToSwap = tokens;
                }
            }
        } else {
            if (contractBalance > 0 && contractBalance < swapTokensAtAmount.div(5)) {
                return;
            } else if (contractBalance > 0 && contractBalance > swapTokensAtAmount.div(5) && contractBalance < swapTokensAtAmount) {
                tokensToSwap = swapTokensAtAmount.div(5);
            } else {
                uint256 sellFeeTokens = tokens.mul(SellFee).div(100);
                tokens -= sellFeeTokens;
                if (tokens > swapTokensAtAmount) {
                    tokensToSwap = swapTokensAtAmount;
                } else {
                    tokensToSwap = tokens;
                }
            }
        }

        // Split the tokens into halves
        uint256 burnTokens = tokensToSwap.mul(buybackAndBurnFee).div(100);
        uint256 swapTokens = tokensToSwap.sub(burnTokens);

        // Swap tokens for ETH
        swapTokensForEth(swapTokens);

        // Buyback and burn tokens
        if (buybackAndBurnEnabled && burnTokens > 0) {
            uint256 ethBalance = address(this).balance;
            if (ethBalance > 0) {
                swapEthForTokens(ethBalance);
                uint256 balance = otherToken.balanceOf(address(this));
                otherToken.transfer(deadAddress, balance);
                emit TokensBurned(address(this), balance);
            }
        }
    }
}