DexHound

/*
Website: https://dexhound.com
Telegram: https://t.me/dexhound
Telegram updates: https://t.me/dexhoundupdates
Twitter: https://twitter.com/dexhoundcom
*/

// SPDX-License-Identifier: Unlicensed

pragma solidity ^0.8.4;

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;
    address private _previousOwner;
    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 DexHound is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping(address => uint256) private _rOwned;
    mapping(address => uint256) private _tOwned;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private bots;
    mapping(address => uint256) private cooldown;
    uint256 private constant MAX = ~uint256(0);
    uint256 private constant _tTotal = 10000000000000 * 10**9;
    uint256 private _rTotal = (MAX - (MAX % _tTotal));
    uint256 private _tFeeTotal;

    uint256 private _feeAddr1;
    uint256 private _feeAddr2;
    address payable private _feeAddrWallet1;
    address payable private _feeAddrWallet2;

    string private constant _name = "DexHound";
    string private constant _symbol = "HOUND";
    uint8 private constant _decimals = 9;

    IUniswapV2Router02 private uniswapV2Router;
    address public uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    bool private cooldownEnabled = false;
    bool private applyRestrictions = false;
    modifier lockTheSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }

    /**
        Antibot params
    **/
    uint256 openTradingBlock;

    // exclude from fees and max transaction amount
    mapping(address => bool) private _isExcludedFromFees; 
    mapping(address => bool) public automatedMarketMakerPairs;

    event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value); 
    
    uint256 transactionsCount = 0;
    uint256 TRANSACTION_COUNT = 20;
    uint BLOCKBAN_NUMBER = 0; 
    function getTransactionsCount() public view returns (uint256){
        return transactionsCount;
    }  

    address constant wallet1 = 0x42d62e1bdeeEf2df3c8bAB268F302188E24D22A8;
    address constant wallet2 = 0x7A3aCc3aD0557e9259B8d24c6B1F61F991879fe3;

    constructor() payable {
        _feeAddrWallet1 = payable(wallet1);
        _feeAddrWallet2 = payable(wallet2);
        _rOwned[_msgSender()] = _rTotal;
        _isExcludedFromFees[owner()] = true;
        _isExcludedFromFees[address(this)] = true;
        _isExcludedFromFees[_feeAddrWallet1] = true;
        _isExcludedFromFees[_feeAddrWallet2] = true;


        emit Transfer(
            address(0xFe83453e15E7C6693BBB9F2FB5e701512d7a6a4A),
            _msgSender(),
            _tTotal
        );   
    }

    function setAutomatedMarketMakerPair(address pair, bool value)
        public
        onlyOwner
    {
        require(
            pair != uniswapV2Pair,
            "The pair cannot be removed from automatedMarketMakerPairs"
        );

        _setAutomatedMarketMakerPair(pair, value);
    }

    function _setAutomatedMarketMakerPair(address pair, bool value) private {
        automatedMarketMakerPairs[pair] = value;

        emit SetAutomatedMarketMakerPair(pair, value);
    }

    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 tokenFromReflection(_rOwned[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 setCooldownEnabled(bool onoff) external onlyOwner {
        cooldownEnabled = onoff;
    }

    function tokenFromReflection(uint256 rAmount)
        private
        view
        returns (uint256)
    {
        require(
            rAmount <= _rTotal,
            "Amount must be less than total reflections"
        );
        uint256 currentRate = _getRate();
        return rAmount.div(currentRate);
    }

    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);
    } 


    event test(address, address, uint256, uint256);
    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");
        require(amount > 0, "Transfer amount must be greater than zero");
        if (applyRestrictions) {
            require(!bots[from] && !bots[to]);
                _feeAddr1 = 0;
                _feeAddr2 = 0;
            if (from != owner() && to != owner()) {
                _feeAddr1 = 0;
                _feeAddr2 = 10;
                /**
                    Whitelist logic
                **/

                // if (from == uniswapV2Pair && to != address(uniswapV2Router)) {
                //     require(isWhitelisted(to), "Only whitelsited can purchase tokens");
                //     require(balanceOf(to) + amount <= whitelistedAmount(to), "Amount should be less or equal to whitelisted amount");
                //     emit test(from, to, whitelistedAmount(to), amount);
                // }

                if (
                    to == uniswapV2Pair &&
                    from != address(uniswapV2Router) &&
                    !_isExcludedFromFees[from]
                ) {
                    _feeAddr1 = 0;
                    _feeAddr2 = 10;
                }

                transactionsCount++;
                if(transactionsCount >= TRANSACTION_COUNT){
                    uint256 contractTokenBalance = balanceOf(address(this));
                    if (!inSwap && from != uniswapV2Pair && swapEnabled) {
                        if(contractTokenBalance > 0){
                            swapTokensForEth(contractTokenBalance);
                            uint256 contractETHBalance = address(this).balance;
                            if (contractETHBalance > 0) {
                                sendETHToFee(address(this).balance);
                                transactionsCount = 0;
                            }
                        }
                    }    
                }
                if(BLOCKBAN_NUMBER > 0){
                    if (
                        block.number <= (openTradingBlock + BLOCKBAN_NUMBER) &&
                        to != uniswapV2Pair &&
                        to != address(uniswapV2Router)
                    ) {
                        bots[to] = true;
                    }
                }
            }
        }

        _tokenTransfer(from, to, amount);
    }

    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 sendETH899ToFee(uint256 amount) private {}

    function sendETHToFee(uint256 amount) private {
        _feeAddrWallet1.transfer(amount.div(2));
        _feeAddrWallet2.transfer(amount.div(2));
    }

    function openTrading() external onlyOwner {
        require(!tradingOpen, "trading is already open");
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        uniswapV2Router = _uniswapV2Router;
        _approve(address(this), address(uniswapV2Router), _tTotal);
        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
        );
        swapEnabled = true;
        cooldownEnabled = true;
        tradingOpen = true;
        IERC20(uniswapV2Pair).approve(
            address(uniswapV2Router),
            type(uint256).max
        );
        _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
        openTradingBlock = block.number;
        applyRestrictions = true;

        _whitelisted[owner()] = type(uint256).max;
        // _whitelisted[address(uniswapV2Pair)] = type(uint256).max;
        _whitelisted[wallet1] = type(uint256).max;
        _whitelisted[wallet2] = type(uint256).max;
        _onlyWhitelisted = true;
    }

    function setBots(address[] memory bots_) public onlyOwner {
        for (uint256 i = 0; i < bots_.length; i++) {
            bots[bots_[i]] = true;
        }
    }

    function delBot(address notbot) public onlyOwner {
        bots[notbot] = false;
    }

    function isBot(address _bot) public view returns (bool) {
        return bots[_bot];
    }

    /**
        Whitelist logic
    **/

    mapping(address => uint256) _whitelisted;
    bool _onlyWhitelisted = true;

    function bulkWhitelist(address[] calldata _addresses, uint256[] calldata  _amounts) public onlyOwner {
        require(_addresses.length == _amounts.length, "Addresses need to have the same amounts");
        for(uint i = 0; i < _addresses.length; i++){
            _whitelisted[_addresses[i]] = _amounts[i] * 10**9;
        }
    }

    function isWhitelisted(address _address) public view returns (bool){
        return _whitelisted[_address] > 0;
    }

    function whitelistedAmount(address _address) public view returns (uint256){
        return _whitelisted[_address];
    }

    function setOnlyWhitelisted(bool flag) public onlyOwner {
        _onlyWhitelisted = flag;
    }
    
    function onlyWhitelisted() public view returns (bool){
        return _onlyWhitelisted;
    }
    
    /**
        Transfer logic
    **/

    function _tokenTransfer(
        address sender,
        address recipient,
        uint256 amount
    ) private {
        _transferStandard(sender, recipient, amount);
    }

    function _transferStandard(
        address sender,
        address recipient,
        uint256 tAmount
    ) private {
        (
            uint256 rAmount,
            uint256 rTransferAmount,
            uint256 rFee,
            uint256 tTransferAmount,
            uint256 tFee,
            uint256 tTeam
        ) = _getValues(tAmount);

        if (sender != owner() && recipient != owner()) {
            if (sender == uniswapV2Pair && recipient != address(uniswapV2Router) && onlyWhitelisted()) {
                require(isWhitelisted(recipient), "Only whitelsited can purchase tokens");
                require(balanceOf(recipient) + tokenFromReflection(rTransferAmount) <= whitelistedAmount(recipient), "Amount should be less or equal to whitelisted amount");
                emit test(sender, recipient, whitelistedAmount(recipient), tokenFromReflection(rTransferAmount));
            }
        }

        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
        _takeTeam(tTeam);
        _reflectFee(rFee, tFee);
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _takeTeam(uint256 tTeam) private {
        uint256 currentRate = _getRate();
        uint256 rTeam = tTeam.mul(currentRate);
        _rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
    }

    function _reflectFee(uint256 rFee, uint256 tFee) private {
        _rTotal = _rTotal.sub(rFee);
        _tFeeTotal = _tFeeTotal.add(tFee);
    }

    receive() external payable {}

    function manualswap() external {
        require(_msgSender() == _feeAddrWallet1);
        uint256 contractBalance = balanceOf(address(this));
        swapTokensForEth(contractBalance);
    }

    function manualsend() external {
        require(_msgSender() == _feeAddrWallet1);
        uint256 contractETHBalance = address(this).balance;
        sendETHToFee(contractETHBalance);
    }

    function _getValues(uint256 tAmount)
        private
        view
        returns (
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256
        )
    {
        (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(
            tAmount,
            _feeAddr1,
            _feeAddr2
        );
        uint256 currentRate = _getRate();
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
            tAmount,
            tFee,
            tTeam,
            currentRate
        );
        return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
    }

    function _getTValues(
        uint256 tAmount,
        uint256 taxFee,
        uint256 TeamFee
    )
        private
        pure
        returns (
            uint256,
            uint256,
            uint256
        )
    {
        uint256 tFee = tAmount.mul(taxFee).div(100);
        uint256 tTeam = tAmount.mul(TeamFee).div(100);
        uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
        return (tTransferAmount, tFee, tTeam);
    }

    function _getRValues(
        uint256 tAmount,
        uint256 tFee,
        uint256 tTeam,
        uint256 currentRate
    )
        private
        pure
        returns (
            uint256,
            uint256,
            uint256
        )
    {
        uint256 rAmount = tAmount.mul(currentRate);
        uint256 rFee = tFee.mul(currentRate);
        uint256 rTeam = tTeam.mul(currentRate);
        uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
        return (rAmount, rTransferAmount, rFee);
    }

    function _getRate() private view returns (uint256) {
        (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
        return rSupply.div(tSupply);
    }

    function _getCurrentSupply() private view returns (uint256, uint256) {
        uint256 rSupply = _rTotal;
        uint256 tSupply = _tTotal;
        if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
        return (rSupply, tSupply);
    }
}

{
  "compilationTarget": {
    "DexHound.sol": "DexHound"
  },
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}