/* 

                                                                                                                                                                                                                                                 .-'''-.     
                                                                                                                                                                                                                                                '   _    \   
   .              __.....__        _..._                                             .              __.....__               /|                  /|                                .        .--._________   _...._    _________   _...._       /   /` '.   \  
 .'|          .-''         '.    .'     '.       .-.          .-                   .'|          .-''         '.             ||                  ||    .-.          .-           .'|        |__|\        |.'      '-. \        |.'      '-.   .   |     \  '  
<  |         /     .-''"'-.  `. .   .-.   ..-,.--.\ \        / /               .| <  |         /     .-''"'-.  `.           ||                  ||     \ \        / /          <  |        .--. \        .'```'.    '.\        .'```'.    '. |   '      |  ' 
 | |        /     /________\   \|  '   '  ||  .-. |\ \      / /              .' |_ | |        /     /________\   \          ||  __        __    ||  __  \ \      / /            | |        |  |  \      |       \     \\      |       \     \\    \     / /  
 | | .'''-. |                  ||  |   |  || |  | | \ \    / /             .'     || | .'''-. |                  |          ||/'__ '.  .:--.'.  ||/'__ '.\ \    / /             | | .'''-. |  |   |     |        |    | |     |        |    | `.   ` ..' /   
 | |/.'''. \\    .-------------'|  |   |  || |  | |  \ \  / /             '--.  .-'| |/.'''. \\    .-------------'          |:/`  '. '/ |   \ | |:/`  '. '\ \  / /              | |/.'''. \|  |   |      \      /    .  |      \      /    .     '-...-'`    
 |  /    | | \    '-.____...---.|  |   |  || |  '-    \ `  /                 |  |  |  /    | | \    '-.____...---.          ||     | |`" __ | | ||     | | \ `  /               |  /    | ||  |   |     |\`'-.-'   .'   |     |\`'-.-'   .'                  
 | |     | |  `.             .' |  |   |  || |         \  /                  |  |  | |     | |  `.             .'           ||\    / ' .'.''| | ||\    / '  \  /                | |     | ||__|   |     | '-....-'`     |     | '-....-'`                    
 | |     | |    `''-...... -'   |  |   |  || |         / /                   |  '.'| |     | |    `''-...... -'             |/\'..' / / /   | |_|/\'..' /   / /                 | |     | |      .'     '.             .'     '.                             
 | '.    | '.                   |  |   |  ||_|     |`-' /                    |   / | '.    | '.                             '  `'-'`  \ \._,\ '/'  `'-'`|`-' /                  | '.    | '.   '-----------'         '-----------'                           
 '---'   '---'                  '--'   '--'         '..'           .-'''-.   `'-'  '---'   '---'                                       `--'  `"          '..'   .-'''-.         '---'   '---'                                                                
                                                  _______         '   _    \                                                           _______                 '   _    \                                                                                    
              .--.           .                    \  ___ `'.    /   /` '.   \                 _..._                            _..._   \  ___ `'.            /   /` '.   \  __  __   ___         __.....__                                                   
       _     _|__|         .'|                     ' |--.\  \  .   |     \  '       _     _ .'     '.        .-.          .- .'     '.  ' |--.\  \          .   |     \  ' |  |/  `.'   `.   .-''         '.                                                 
 /\    \\   //.--.     .| <  |                     | |    \  ' |   '      |  '/\    \\   //.   .-.   .        \ \        / /.   .-.   . | |    \  ' .-,.--. |   '      |  '|   .-.  .-.   ' /     .-''"'-.  `.                                               
 `\\  //\\ // |  |   .' |_ | |                     | |     |  '\    \     / / `\\  //\\ // |  '   '  |         \ \      / / |  '   '  | | |     |  '|  .-. |\    \     / / |  |  |  |  |  |/     /________\   \                                              
   \`//  \'/  |  | .'     || | .'''-.              | |     |  | `.   ` ..' /    \`//  \'/  |  |   |  |       _  \ \    / /  |  |   |  | | |     |  || |  | | `.   ` ..' /  |  |  |  |  |  ||                  |                                              
    \|   |/   |  |'--.  .-'| |/.'''. \             | |     ' .'    '-...-'`      \|   |/   |  |   |  |     .' |  \ \  / /   |  |   |  | | |     ' .'| |  | |    '-...-'`   |  |  |  |  |  |\    .-------------'                                              
     '        |  |   |  |  |  /    | |             | |___.' /'                    '        |  |   |  |    .   | / \ `  /    |  |   |  | | |___.' /' | |  '-                |  |  |  |  |  | \    '-.____...---.                                              
              |__|   |  |  | |     | |            /_______.'/                              |  |   |  |  .'.'| |//  \  /     |  |   |  |/_______.'/  | |                    |__|  |__|  |__|  `.             .'                                               
                     |  '.'| |     | |            \_______|/                               |  |   |  |.'.'.-'  /   / /      |  |   |  |\_______|/   | |                                        `''-...... -'                                                 
                     |   / | '.    | '.                                                    |  |   |  |.'   \_.'|`-' /       |  |   |  |             |_|                                                                                                      
                     `'-'  '---'   '---'                                                   '--'   '--'          '..'        '--'   '--'                                                                                                                      
                        

Website: https://www.iamhenry.com
Telegram: https://t.me/henryportal
Twitter: https://twitter.com/henrytoken

*/

// SPDX-License-Identifier: MIT

pragma solidity 0.8.20;

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 henry 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;
    mapping (address => bool) private bots;
    mapping(address => uint256) private _holderLastTransferTimestamp;
    bool public transferDelayEnabled = false;
    address payable private _taxWallet;

    uint256 private _initialBuyTax=20;
    uint256 private _initialSellTax=20;
    uint256 private _finalBuyTax=1;
    uint256 private _finalSellTax=1;
    uint256 private _reduceBuyTaxAt=20;
    uint256 private _reduceSellTaxAt=20;
    uint256 private _preventSwapBefore=30;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 8;
    uint256 private constant _tTotal = 420690000000000 * 10**_decimals;
    string private constant _name = unicode"henry the baby hippo with downsyndrome";
    string private constant _symbol = unicode"henry";
    uint256 public _maxTxAmount =   8413800000000 * 10**_decimals;
    uint256 public _maxWalletSize = 8413800000000 * 10**_decimals;
    uint256 public _taxSwapThreshold=0 * 10**_decimals;
    uint256 public _maxTaxSwap=3365520000000 * 10**_decimals;

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;

    event MaxTxAmountUpdated(uint _maxTxAmount);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }


    constructor () {
        _taxWallet = payable(_msgSender());
        _balances[_msgSender()] = _tTotal;
        _isExcludedFromFee[owner()] = 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()) {
            require(!bots[from] && !bots[to]);

            if (transferDelayEnabled) {
                if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
                  require(_holderLastTransferTimestamp[tx.origin] < block.number,"Only one transfer per block allowed.");
                  _holderLastTransferTimestamp[tx.origin] = block.number;
                }
            }

            if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
                if(_buyCount<_preventSwapBefore){
                  require(!isContract(to));
                }
                _buyCount++;
            }


            taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
            if(to == uniswapV2Pair && from!= address(this) ){
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold && _buyCount>_preventSwapBefore) {
                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 min(uint256 a, uint256 b) private pure returns (uint256){
      return (a>b)?b:a;
    }

    function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        if(tokenAmount==0){return;}
        if(!tradingOpen){return;}
        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 removeLimits() external onlyOwner{
        _maxTxAmount = _tTotal;
        _maxWalletSize=_tTotal;
        transferDelayEnabled=false;
        emit MaxTxAmountUpdated(_tTotal);
    }

    function sendETHToFee(uint256 amount) private {
        _taxWallet.transfer(amount);
    }

    function isBot(address a) public view returns (bool){
      return bots[a];
    }

    function openTrading() external onlyOwner() {
        require(!tradingOpen,"trading is already open");
        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),balanceOf(address(this)),0,0,owner(),block.timestamp);
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
        swapEnabled = true;
        tradingOpen = true;
    }


    receive() external payable {}

    function isContract(address account) private view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    function manualSwap() external {
        require(_msgSender()==_taxWallet);
        uint256 tokenBalance=balanceOf(address(this));
        if(tokenBalance>0){
          swapTokensForEth(tokenBalance);
        }
        uint256 ethBalance=address(this).balance;
        if(ethBalance>0){
          sendETHToFee(ethBalance);
        }
    }

    
    
    
}