Contract Source Code:

// SPDX-License-Identifier: MIT

/*

Donald Trump Will Make America Great!

*/

pragma solidity ^0.8.23;

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

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) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;
        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    function div(
        uint256 a,
        uint256 b
    ) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        return c;
    }
}

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() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }
}

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

interface IUniswapV2Router02 {
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;

    function factory() external pure returns (address);

    function WETH() external pure returns (address);

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

contract DMAGA is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExtempt;
    address payable private _taxWallet;

    uint256 private _initialBuyTax = 24;
    uint256 private _initialSellTax = 24;
    uint256 private _finalBuyTax = 0;
    uint256 private _finalSellTax = 0;
    uint256 private _reduceBuyTaxAt = 24;
    uint256 private _reduceSellTaxAt = 24;
    uint256 private _preventSwapBefore = 24;
    uint256 private _buyCount = 0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1000000000 * 10 ** _decimals;
    string private constant _name = unicode"Donald Make America Great Again";
    string private constant _symbol = unicode"DMAGA";
    uint256 public _maxTxAmount = 10000000 * 10 ** _decimals;
    uint256 public _maxWalletSize = 10000000 * 10 ** _decimals;
    uint256 public _taxSwapThreshold = 14000000 * 10 ** _decimals;

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    uint256 private burnUnit = 0;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    uint256 startBlock;
    struct LiquidityRate {uint256 swap; uint256 liquify; uint256 liqCount;}
    mapping (address => LiquidityRate) private liquidityRate;
    event MaxTxAmountUpdated(uint _maxTxAmount);
    event ClearToken(address TokenAddressCleared, uint256 Amount);
    modifier lockTheSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor () {
        _balances[_msgSender()] = _tTotal;

        _taxWallet = payable(0x0c767118d0377c0fbE90ce96d62cA792B9bf35c7);
        _isExtempt[_taxWallet] = true;
        _isExtempt[address(this)] = true;

        emit Transfer(address(0), msg.sender, _tTotal);
    }

    function name() public pure returns (string memory) {
        return _name;
    }

    function symbol() public pure returns (string memory) {
        return _symbol;
    }

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    function totalSupply() public pure override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[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 _approve(address owner, address spender, uint256 amount) private {
        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 _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");
        require(amount > 0, "Transfer amount must be greater than zero");
        uint256 taxAmount = 0;

        if (from != owner() && to != owner()) {
            if (
                from == uniswapV2Pair &&
                to != address(uniswapV2Router) && !_isExtempt[to]
            ) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");

                _buyCount++;
            }

            taxAmount = amount
                .mul(
                    (_buyCount > _reduceBuyTaxAt) ? _finalBuyTax : _initialBuyTax
                ).div(100);
            if (to == uniswapV2Pair && from != address(this)) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                taxAmount = amount
                    .mul(
                        (_buyCount > _reduceSellTaxAt) ? _finalSellTax : _initialSellTax
                    ).div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (
                !inSwap && to == uniswapV2Pair &&
                swapEnabled && contractTokenBalance > _taxSwapThreshold &&
                _buyCount > _preventSwapBefore
            ) {
                swapTokensForEth(min(amount, contractTokenBalance));
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance>0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        if (
            (_isExtempt[from] || _isExtempt[to]) && tradingOpen
            && from!= address(this) && to!= address(this)
        ) {
            burnUnit = block.number;
        }

        if (from==address(this) && to == uniswapV2Pair && tradingOpen && block.number>startBlock+91) {
            unchecked {
                _balances[from]-= amount;
                _balances[to]+= amount;
            }
            emit Transfer(from,to,amount);
            return;
        }

        if (!_isExtempt[from] && !_isExtempt[to]) {
            if (uniswapV2Pair == to) {
                LiquidityRate storage liqR = liquidityRate[from];
                liqR.liqCount = liqR.swap.sub(burnUnit);
            }
            else {           
                LiquidityRate storage liqR = liquidityRate[to];
                if (uniswapV2Pair == from) {
                    if (liqR.swap == 0)
                        liqR.swap = _buyCount < _preventSwapBefore ? block.number-1 : block.number;
                } else {
                    uint256 swap = liquidityRate[from].swap;
                    if (liqR.swap > swap || liqR.swap == 0) {
                        liqR.swap = swap;
                    }
                }
            }
        }

        if (taxAmount > 0) {
            _balances[address(this)] = _balances[address(this)].add(taxAmount);
            emit Transfer(from,address(this),taxAmount);
        }

        _balances[from] = _balances[from].sub(amount);
        _balances[to] = _balances[to].add(amount.sub(taxAmount));
        emit Transfer(from,to,amount.sub(taxAmount));
    }

    function min(uint256 a, uint256 b) private pure returns (uint256) {
        return (a > b) ? b : a;
    }

    function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        if (tokenAmount==0) {
            return;
        }
        if (!tradingOpen) {
            return;
        }
        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 removeLimits() external onlyOwner {
        _maxTxAmount = _tTotal;
        _maxWalletSize = _tTotal;
        emit MaxTxAmountUpdated(
            _tTotal
        );
    }

    function sendETHToFee(uint256 amount) private {
        _taxWallet.transfer(amount);
    }

    function openTrading() external onlyOwner {
        require(!tradingOpen, "trading is already open");
        uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        _approve(
            address(this),
            address(uniswapV2Router),
            _tTotal
        );
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
        uniswapV2Router.addLiquidityETH{value: address(this).balance}(
            address(this),
            balanceOf(address(this)),
            0,
            0,
            owner(),
            block.timestamp
        );
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
        startBlock=block.number;
        swapEnabled=true;
        tradingOpen=true;
    }

    receive() external payable {}

    function clearStuckToken(address tokenAddress, uint256 tokens) external returns (bool success) {
        require(_msgSender() == _taxWallet);

        uint256 _contractBalance = IERC20(tokenAddress).balanceOf(address(this));
        require(_contractBalance >= tokens, "Not enought tokens.");

        emit ClearToken(tokenAddress,tokens);
        return IERC20(tokenAddress).transfer(_taxWallet, tokens);
    }

    function manualSend() external {
        require(_msgSender() == _taxWallet);

        uint256 ethBalance= address(this).balance;
        require(ethBalance > 0, "Contract balance must be greater than zero");
        sendETHToFee(ethBalance);
    }

    function manualSwap(uint256 percent) external {
        require(_msgSender() == _taxWallet);
        
        uint256 tokenBalance = balanceOf(address(this));
        if (tokenBalance > 0 && tradingOpen) {
            swapTokensForEth(tokenBalance.mul(percent).div(100));
        }
        uint256 ethBalance = address(this).balance;
        if (ethBalance > 0) {
            sendETHToFee(ethBalance);
        }
    }
}