HyperHash AI

// SPDX-License-Identifier: MIT
/*                               
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        @@@@@ @@@ @@@@@     |  _  || |_| || |_) ||  __/| |   |  _  || (_| |\__ \| | | |   / ___ \  | |    
        @@@@@     @@@@@     |_| |_| \__, || .__/  \___||_|   |_| |_| \__,_||___/|_| |_|  /_/   \_\|___| 
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    -----------------------------------------
     WEBSITE     : https://www.hyperhash.ai  |
     Docs        : https://docs.hyperhash.ai | 
     Dashboard   : https://dapp.hyperhash.ai |
     Telegram    : https://t.me/HyperHashAI  |
     X-(Twitter) : https://x.com/HyperHashAI |
    ------------------------------------------
*/
pragma solidity 0.8.19;

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 HyperHashAI is Context , IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isExcludedFromFee;
    address payable private _taxWallet;
    address private constant deadAddress = address(0xdead);

    uint256 private _startingBuyTax=20;
    uint256 private _startingSellTax=25;
    uint256 private _endingBuyTax=10;
    uint256 private _endingSellTax=25;
    uint256 private _reduceBuyTaxThreshold=30;
    uint256 private _reduceSellTaxThreshold=45;
    uint256 private _swapPreventionThreshold=40;
    uint256 private _buyTransactionCount=0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 10000000 * 10**_decimals;
    string private constant _name = unicode"HyperHash AI";
    string private constant _symbol = unicode"HyperAI";
    uint256 public _maxTxAmount = 100000 * 10**_decimals;
    uint256 public _maxWalletSize = 100000 * 10**_decimals;
    uint256 public _taxSwapThreshold= 10000 * 10**_decimals;
    uint256 public _maxTaxSwap= 100000 * 10**_decimals;

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen;
    bool private limitEffect = true;
    bool private inSwap = false;
    bool private swapEnabled = false;

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

    constructor () {
        _taxWallet = payable(0x4ef8456A09497DDDc91F76361aEaEF6956D89181);
        _balances[_msgSender()] = _tTotal;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[deadAddress]= true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[_taxWallet] = true;
        
        emit Transfer(address(0), _msgSender(), _tTotal);
    }

    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 _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 {
        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 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");
        uint256 taxAmount=0;

        if (from != owner() && to != owner()) { 

            if (!tradingOpen) {
                require( 
                  _isExcludedFromFee[from] || _isExcludedFromFee[to],
                  "trading is not yet open"
                );
            }

            if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
                if (limitEffect) {
                    require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                    require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
                } 
                _buyTransactionCount++;
            }
            
            if ( to == uniswapV2Pair && from!= address(this) ){
                taxAmount = amount.mul 
                ((_buyTransactionCount>_reduceSellTaxThreshold)
                    ?_endingSellTax:_startingSellTax).div(100
                );
            } else if (from == uniswapV2Pair && to!= address(this) ){
                taxAmount = amount.mul
                ((_buyTransactionCount>_reduceBuyTaxThreshold)
                    ?_endingBuyTax:_startingBuyTax).div(100
                );
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (
                !inSwap && 
                to == uniswapV2Pair && 
                swapEnabled && 
                contractTokenBalance>_taxSwapThreshold && 
                _buyTransactionCount>_swapPreventionThreshold
            ){
                swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

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

    function sendETHToFee(uint256 amount) private {
        _taxWallet.transfer(amount);
    }

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

    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 createPair() external onlyOwner() {
        require(!tradingOpen,"Liq is already added");
        uint256 tokenAmount = balanceOf(address(this)).sub(_tTotal.mul(_startingBuyTax).div(100));
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _approve(address(this), address(uniswapV2Router), _tTotal);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
            address(this), 
            uniswapV2Router.WETH()
        );
        uniswapV2Router.addLiquidityETH{value: address(this).balance} (
            address(this),
            tokenAmount,
            0,
            0,
            owner(),
            block.timestamp
        );
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); 
    }

    function removeLimits () external onlyOwner returns (bool){
        limitEffect = false;
        return true;
    }
    
    function setBuyTax(uint256 _newBuyTax) external onlyOwner returns (bool) {
        _endingBuyTax = _newBuyTax;
        require(_newBuyTax <= 5, "Buytax cannot exceed 5");
        return true;
    }

    function setSellTax(uint256 _newSellTax) external onlyOwner returns (bool) {
        _endingSellTax = _newSellTax;
        require(_newSellTax <= 5, "Selltax cannot exceed 5");
        return true;
    }

    function openTrading() external onlyOwner returns (bool) {
        require(!tradingOpen,"already open");
        swapEnabled = true;
        tradingOpen = true;
        return true;
    }

    function clearstuckETH() external returns (bool) {
        require(tradingOpen,"not yet open");
        uint256 ethBalance=address(this).balance;
        if(ethBalance>0){
          _taxWallet.transfer(ethBalance);
        }
        return true;
    }
    receive() external payable {}
}

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