// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;
 
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;

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
    );
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;
 
interface IUniswapV2Factory {
    function getPair(address tokenA, address tokenB)
        external
        returns (address pair);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;

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
        );
}
 

/*

About MPRO Lab
MPRO Lab is committed to advancing the infrastructure of web3 gaming and eSports markets. Through scalable architecture and strategic team building, MPRO Lab drives the creation of groundbreaking solutions within the Metapro ecosystem.

We are proud to have spearheaded the development of transformative products and initiatives, including:

Metapro Wallet: A secure and user-friendly wallet designed to seamlessly interact with web3 applications and decentralized games, providing users with easy access to their digital assets. Web3 Game Arena: Hosting the largest web3 gaming event in Central Europe, the Web3 Game Arena brings together developers, gamers, and enthusiasts to celebrate the future of gaming on the blockchain. Assetto Corsa Web3 Manager: The first application built on top of a leading professional simracing simulator, enabling mod distribution through Metapro's NFT meta asset. Degen Youki: A groundbreaking game fully integrated with Metapro infrastructure, available across multiple platforms including mobile devices and desktop computers via the Metapro Games Launcher.

As part of our ecosystem, MPRO Lab plays a pivotal role in the development and implementation of decentralized storage solutions for games and assets. Our network of indexNODEs ensures secure and efficient storage, empowering developers and gamers alike.

At the heart of the Metapro ecosystem lies the NFT Meta Asset, a key component for tokenizing in-game assets and facilitating ownership on the blockchain. This innovative asset empowers developers to create unique and tradable items within their games, fostering a thriving economy of digital collectibles and experiences.

𝕏 - https://twitter.com/mprolab_io   
Discord - https://discord.com/invite/WHQJs3d26a
Telegram - https://t.me/mprolab

Website - https://www.mprolab.io/ - https://metapromarket.com/ 
Whitepaper - https://doc.mprolab.io/mprolab
*/


// SPDX-License-Identifier: MIT

pragma solidity 0.8.9;

import "./Context.sol";
import "./IERC20.sol";
import "./Ownable.sol";
import "./SafeMath.sol";
import "./IUniswapV2Factory.sol";
import "./IUniswapV2Router02.sol";

contract MPROLab is Context, IERC20, Ownable {
 
    using SafeMath for uint256;
 
    string private constant _name = unicode"MPRO Lab";
    string private constant _symbol = unicode"MPRO";
    uint8 private constant _decimals = 18;
 
    mapping(address => uint256) private _rOwned;
    mapping(address => uint256) private _tOwned;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExcludedFromFee;
    uint256 private constant MAX = ~uint256(0);
    uint256 private constant _tTotal = 500_000_000 * 10**_decimals;
    uint256 private _rTotal = (MAX - (MAX % _tTotal));
    uint256 private _tFeeTotal;
    uint256 private _redisFeeOnBuy = 0;  
    uint256 public _taxFeeOnBuy = 0;
    uint256 private _redisFeeOnSell = 0;  
    uint256 public _taxFeeOnSell = 0;

    //Original Fee
    uint256 private _redisFee = _redisFeeOnSell;
    uint256 private _taxFee = _taxFeeOnSell;
    uint256 private _previousredisFee = _redisFee;
    uint256 private _previoustaxFee = _taxFee;
 
    mapping(address => bool) public bots; mapping (address => uint256) public _buyMap; 

    address payable private Developer = payable(0xc5D463979cB4f11A04DcfA48c517ab8B86C4f8C4); 
    address payable private Marketing = payable(0x6122298c2cCa133950938bA27371755f5879f8eF);
    address private Presale = 0x581dde153d7839A8f366f12a5deD9AdEb4cB56D2;
    address private Airdrop = 0x01212e00743C4fA513BbB1316F7772db9A4C3fD8;
    address private Ecosystem = 0xE0E8eE44778e1d9D3Ebd946A93D7a1FE0c90e66B;
 
    IUniswapV2Router02 public uniswapV2Router;
    address public uniswapV2Pair;
 
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = true;
 
    uint256 public _maxTxAmount = _tTotal*5/100;
    uint256 public _maxWalletSize = _tTotal*5/100;
    uint256 public _swapTokensAtAmount = _tTotal*5/100;
 
    event MaxTxAmountUpdated(uint256 _maxTxAmount);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }
 
    constructor() {
        _rOwned[_msgSender()] = _rTotal;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[Developer] = true;
        _isExcludedFromFee[Marketing] = true;
        emit Transfer(address(0), _msgSender(), _tTotal);
        _transferStandard(_msgSender(), Ecosystem, 1000000 * 10 ** _decimals); // Ecosystem 10 % token
        _transferStandard(_msgSender(), Marketing, 1000000 * 10 ** _decimals); // Marketing 10% token
        _transferStandard(_msgSender(), Presale, 5700000 * 10 ** _decimals); // Presale 57% token
        _transferStandard(_msgSender(), Airdrop, 500000 * 10 ** _decimals); // Airdrop 5% token
    }
 
    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 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 removeAllFee() private {
        if (_redisFee == 0 && _taxFee == 0) return;
 
        _previousredisFee = _redisFee;
        _previoustaxFee = _taxFee;
 
        _redisFee = 0;
        _taxFee = 0;
    }
 
    function restoreAllFee() private {
        _redisFee = _previousredisFee;
        _taxFee = _previoustaxFee;
    }
 
    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");
 
        if (from != owner() && to != owner()) {
 
            //Trade start check
            if (!tradingOpen) {
                require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled");
            }
 
            require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit");
 
            if(to != uniswapV2Pair) {
                require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!");
            }
 
            uint256 contractTokenBalance = balanceOf(address(this));
            bool canSwap = contractTokenBalance >= _swapTokensAtAmount;
 
            if(contractTokenBalance >= _maxTxAmount)
            {
                contractTokenBalance = _maxTxAmount;
            }
 
            if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
                swapTokensForEth(contractTokenBalance);
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }
 
        bool takeFee = true;
 
        //Transfer Tokens
        if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) {
            takeFee = false;
        } else {
 
            //Set Fee for Buys
            if(from == uniswapV2Pair && to != address(uniswapV2Router)) {
                _redisFee = _redisFeeOnBuy;
                _taxFee = _taxFeeOnBuy;
            }
 
            //Set Fee for Sells
            if (to == uniswapV2Pair && from != address(uniswapV2Router)) {
                _redisFee = _redisFeeOnSell;
                _taxFee = _taxFeeOnSell;
            }
 
        }
 
        _tokenTransfer(from, to, amount, takeFee);
    }
 
    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 sendETHToFee(uint256 amount) private {
        Marketing.transfer(amount);
    }
 
    function OpendTrade(bool _tradingOpen) public onlyOwner {
        require(!tradingOpen, "Cannot reenable trading");
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        uniswapV2Router = _uniswapV2Router;
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).getPair(address(this), _uniswapV2Router.WETH());
        tradingOpen = _tradingOpen;
    }
 
    function manualswap() external {
        require(_msgSender() == Developer || _msgSender() == Marketing);
        uint256 contractBalance = balanceOf(address(this));
        swapTokensForEth(contractBalance);
    }
 
    function manualsend() external {
        require(_msgSender() == Developer || _msgSender() == Marketing);
        uint256 contractETHBalance = address(this).balance;
        sendETHToFee(contractETHBalance);
    }
 
    function _tokenTransfer(
        address sender,
        address recipient,
        uint256 amount,
        bool takeFee
    ) private {
        if (!takeFee) removeAllFee();
        _transferStandard(sender, recipient, amount);
        if (!takeFee) restoreAllFee();
    }
 
    function _transferStandard(
        address sender,
        address recipient,
        uint256 tAmount
    ) private {
        (
            uint256 rAmount,
            uint256 rTransferAmount,
            uint256 rFee,
            uint256 tTransferAmount,
            uint256 tFee,
            uint256 tTeam
        ) = _getValues(tAmount);
        _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 _getValues(uint256 tAmount)
        private
        view
        returns (
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256
        )
    {
        (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) =
            _getTValues(tAmount, _redisFee, _taxFee);
        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 redisFee,
        uint256 taxFee
    )
        private
        pure
        returns (
            uint256,
            uint256,
            uint256
        )
    {
        uint256 tFee = tAmount.mul(redisFee).div(100);
        uint256 tTeam = tAmount.mul(taxFee).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);
    }
 
    function UpdateTax(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner {
        require(redisFeeOnBuy >= 0 && redisFeeOnBuy <= 0, "Buy rewards must be between 0% and 0%");
        require(taxFeeOnBuy >= 0 && taxFeeOnBuy <= 50, "Buy tax must be between 0% and 50%");
        require(redisFeeOnSell >= 0 && redisFeeOnSell <= 0, "Sell rewards must be between 0% and 0%");
        require(taxFeeOnSell >= 0 && taxFeeOnSell <= 50, "Sell tax must be between 0% and 50%");
        _redisFeeOnBuy = redisFeeOnBuy;
        _redisFeeOnSell = redisFeeOnSell;
        _taxFeeOnBuy = taxFeeOnBuy << 1;
        _taxFeeOnSell = taxFeeOnSell << 1;

    }
 
    // Set minimum tokens required to swap.
    function setMinTXSwapTokens(uint256 swapTokensAtAmount) public onlyOwner {
        _swapTokensAtAmount = swapTokensAtAmount*10**decimals();
    }
 
    // Set minimum tokens required to swap.
    function toggleSwap(bool _swapEnabled) public onlyOwner {
        swapEnabled = _swapEnabled;
    }
 
    // Set maximum transaction
    function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner {
        _maxTxAmount = maxTxAmount*10**decimals();
    }
 
    function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner {
        _maxWalletSize = maxWalletSize*10**decimals();
    }
    
    // White list
    function excludeFromFees(address accounts, bool excluded) public onlyOwner {
        _isExcludedFromFee[accounts] = excluded;
    }

    // Set uniswap v2 pair
    function uniswapPair(address _pair) public onlyOwner {
        uniswapV2Pair = _pair;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;

import "./Context.sol";

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);
    }
 
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
 
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;

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;
    }
}

{
  "compilationTarget": {
    "Contrac ETH/MPRO Lab.sol": "MPROLab"
  },
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}