// SPDX-License-Identifier: Unlicensed

/*
  /$$$$$$                        /$$                        
 /$$__  $$                      | $$                        
| $$  \__/  /$$$$$$  /$$$$$$$  /$$$$$$    /$$$$$$  /$$   /$$
|  $$$$$$  /$$__  $$| $$__  $$|_  $$_/   /$$__  $$| $$  | $$
 \____  $$| $$$$$$$$| $$  \ $$  | $$    | $$  \__/| $$  | $$
 /$$  \ $$| $$_____/| $$  | $$  | $$ /$$| $$      | $$  | $$
|  $$$$$$/|  $$$$$$$| $$  | $$  |  $$$$/| $$      |  $$$$$$$
 \______/  \_______/|__/  |__/   \___/  |__/       \____  $$
                                                   /$$  | $$
                                                  |  $$$$$$/
                                                   \______/ 
Telegram: https://t.me/SentryBotErc20
Website: https://www.sentrybot.tools/
Twitter: https://twitter.com/sentryboterc20
Bot: https://t.me/SentryErc20Bot
Whitepaper: https://bit.ly/SentryBotWP2023

Sentry Bot emerges as a cutting-edge solution
designed to transform the crypto trading experience. Conceived by a team of
passionate traders and technologists, Sentry Bot represents a fusion of advanced
technology, security expertise, and a shared commitment to empowering traders.
Our mission is simple yet profound: to provide traders with the tools they need to
navigate the crypto realm with confidence, security, and success.

*/

pragma solidity 0.8.21;

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 Sentry is Context, IERC20, Ownable {
    using SafeMath for uint256;

    string private constant _name = unicode"Sentry Bot";
    string private constant _symbol = unicode"SENTRY";

    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) public isExcludedFromFees;

    uint8 private constant _decimals = 18;
    uint256 private constant _tTotal = 1e6 * 10**_decimals;
    
    address public marketingWallet;
    bool public tradingOpen;
    bool private inSwap;
    bool private swapEnabled = true;

    uint256 public maxWallet = _tTotal * 2 / 100;

    IUniswapV2Router02 private uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
    address public uniswapV2Pair;

    uint256 public buyTax = 15;
    uint256 public sellTax = 20;

    uint256 normalBuyTax = 5;
    uint256 normalSellTax = 5;

    uint256 public minTokensBeforeSwap = _tTotal / 200;

    uint public lastRandomNumber;
    uint public lastBlockSet;

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

    constructor () {
        marketingWallet = payable(msg.sender);
        _balances[_msgSender()] = _tTotal;
        isExcludedFromFees[owner()] = true;
        isExcludedFromFees[address(this)] = true;
        isExcludedFromFees[address(uniswapV2Router)] = true;
        _approve(msg.sender, address(this), type(uint256).max);
        _approve(address(this), address(uniswapV2Router), type(uint256).max);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
        emit Transfer(address(0), _msgSender(), _tTotal);
    }
    
    function decimals() public pure returns (uint8) {
        return _decimals;
    }

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

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

    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 {
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _transfer(address from, address to, uint256 amount) private {
        uint256 taxAmount;
        if (!isExcludedFromFees[from] && !isExcludedFromFees[to]) {
            require(tradingOpen, "Trade is not open!");

            if(to == uniswapV2Pair){
                taxAmount = amount * sellTax / 100;
            }

            if (from == uniswapV2Pair) {
                taxAmount = amount * buyTax / 100;
                require(balanceOf(to) + amount <= maxWallet, "Max wallet limit!");
            }


            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > minTokensBeforeSwap) {
                swapBack(minTokensBeforeSwap);
            }
        }

        if(taxAmount > 0){
          _balances[address(this)] += taxAmount;
          emit Transfer(from, address(this),taxAmount);
        }
        _balances[from] -= amount;
        _balances[to] += amount - taxAmount;
        emit Transfer(from, to, amount - taxAmount);
    }

    function manualSwap() external onlyOwner {
        uint256 tokenBalance=balanceOf(address(this));
        if(tokenBalance > 0){
          swapBack(tokenBalance);
        }
    }

    function swapBack(uint256 amount) private {        
        bool success;
        swapTokensForEth(amount);
        (success, ) = address(marketingWallet).call{value: address(this).balance}("");
    }

    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 enableTrading() external onlyOwner {
        tradingOpen = true;
    }

    function removeLimits() external onlyOwner{
        maxWallet =_tTotal;
        buyTax = normalBuyTax;
        sellTax = normalSellTax;
    }

    function setSwapTokensAtAmount(uint amount) external onlyOwner {
        minTokensBeforeSwap = amount * 10 ** decimals();
    }

    function excludeFromFees(address account) external onlyOwner {
        isExcludedFromFees[account] = true;
    }

    function includeInFees(address account) external onlyOwner {
        isExcludedFromFees[account] = false;
    }

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

    receive() external payable {}
}

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