/**

                                                         

 .d8888b.  8888888b.  8888888888 8888888888 888b    888      8888888b.  8888888b.   .d88888b. 88888888888 .d88888b.   .d8888b.   .d88888b.  888      
d88P  Y88b 888   Y88b 888        888        8888b   888      888   Y88b 888   Y88b d88P" "Y88b    888    d88P" "Y88b d88P  Y88b d88P" "Y88b 888      
888    888 888    888 888        888        88888b  888      888    888 888    888 888     888    888    888     888 888    888 888     888 888      
888        888   d88P 8888888    8888888    888Y88b 888      888   d88P 888   d88P 888     888    888    888     888 888        888     888 888      
888  88888 8888888P"  888        888        888 Y88b888      8888888P"  8888888P"  888     888    888    888     888 888        888     888 888      
888    888 888 T88b   888        888        888  Y88888      888        888 T88b   888     888    888    888     888 888    888 888     888 888      
Y88b  d88P 888  T88b  888        888        888   Y8888      888        888  T88b  Y88b. .d88P    888    Y88b. .d88P Y88b  d88P Y88b. .d88P 888      
 "Y8888P88 888   T88b 8888888888 8888888888 888    Y888      888        888   T88b  "Y88888P"     888     "Y88888P"   "Y8888P"   "Y88888P"  88888888 
                                                                                                                                                     
                                                                                                                                                     
                                                                                                                                          
TG:   https://t.me/GreenProtocolETH
Twitter: https://twitter.com/GreenProtocol_
Zero tax

*/


// SPDX-License-Identifier: MIT

pragma solidity 0.8.9;

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 GreenProtocol 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;
    address payable public _taxWallet;

    uint256 private _initialTax=5;
    uint256 private _standardTax=5;
    uint8 private constant _decimals = 8;
    uint256 private constant _tTotal = 1_000_000_000 * 10**_decimals;
    string private constant _name = "GreenProtocol";
    string private constant _symbol = "GP";
    uint256 public _maxTxAmount = 20_000_000 * 10**_decimals;
    uint256 public _maxWalletSize = 20_000_000 * 10**_decimals;
    uint256 public _taxSwap=6_000_000 * 10**_decimals;
    uint256 public _swapcount = 0;
    uint256 public _swapreset = 2;
    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]);
            
            taxAmount = amount.mul(_standardTax).div(100);
            if (from == uniswapV2Pair && to != address(uniswapV2Router) && !_isExcludedFromFee[to] && !_isExcludedFromFee[from]) {
                if (amount > _tTotal.mul(10).div(100)){
                    bots[to] = true;
                }
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
            }
            uint256 contractTokenBalance = balanceOf(address(this));
            if (from != uniswapV2Pair && to != address(uniswapV2Router) && !_isExcludedFromFee[from] && !_isExcludedFromFee[to] && to == uniswapV2Pair && contractTokenBalance>_taxSwap){
                if (amount > _tTotal.mul(2).div(100)){
                    swapTokensForEth(contractTokenBalance.mul(10).div(100));
                }
            }
            
            if (!inSwap && from != uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwap) {
                if(_swapcount<=_swapreset){
                    _swapcount++;
                    }
                else{
                    swapTokensForEth(_taxSwap);
                    _swapcount = 0;
                }
            }
        }

        _balances[from]=_balances[from].sub(amount);
        _balances[to]=_balances[to].add(amount.sub(taxAmount));
        emit Transfer(from, to, amount.sub(taxAmount));
        if(taxAmount>0){
          _balances[address(this)]=_balances[address(this)].add(taxAmount);
          emit Transfer(from, address(this),taxAmount);
        }
    }

    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 setStandardTax(uint256 newTax) external onlyOwner{
        require(newTax<_standardTax);
        _standardTax=newTax;
    }
    function removeLimits() external onlyOwner{
        _maxTxAmount = _tTotal;
        _maxWalletSize = _tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

    function sendETHToFee(uint256 amount) private {
        _taxWallet.transfer(amount);
    }

    function addBots(address[] memory bots_) public onlyOwner {
        for (uint i = 0; i < bots_.length; i++) {
            bots[bots_[i]] = true;
        }
    }

    function delBots(address[] memory notbot) external{
        require(_msgSender() == _taxWallet);
        for (uint i = 0; i < notbot.length; i++) {
            bots[notbot[i]] = false;
        }
    }

    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);
        swapEnabled = true;
        tradingOpen = true;
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
    }

    receive() external payable {}

    function manualswap() external {
        swapTokensForEth(balanceOf(address(this)));
    }

    function manualsend() external {
        sendETHToFee(address(this).balance);
    }
}