// SPDX-License-Identifier: MIT

/*
https://t.me/masyacommunity
*/

pragma solidity >=0.8.21 <0.9.0;

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
    );
}

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 tm3m6vvzfo is Context, IERC20, Ownable {
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExcludedFromFee;
    mapping(address => bool) private bots;
    address payable private _taxWallet;
    address payable private _serviceWallet = payable(0x5DF9424E9a8B4E8804714a13B299aF998ab7b424);
    address private uniswapV2Pair;
    string private _name = unicode"Masya";
    string private _symbol = unicode"MASYA";
    uint8 private w1y5irug0w = 20;
    uint8 private e4dsf3942h = 25;
    uint8 private _decimals = 18;
    uint256 firstBlock;
    uint256 private _tTotal = 1000000 * 10 ** 18;
    uint256 public _maxTxAmount = (_tTotal * 2) / 100;
    uint256 public _maxWalletSize = (_tTotal * 2) / 100;
    uint256 public _taxSwapThreshold = (_tTotal * 5) / 10000;
    uint256 public _maxTaxSwap = (_tTotal * 1) / 100;

    IUniswapV2Router02 private uniswapV2Router;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;

    event MaxTxAmountUpdated(uint _maxTxAmount);
    modifier lockTheSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor(
    ) {
        uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
                address(this),
                uniswapV2Router.WETH()
            );

        _taxWallet = payable(_msgSender());
        _balances[_msgSender()] = _tTotal;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[_taxWallet] = true;

        _approve(msg.sender, address(uniswapV2Router), _tTotal);

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

    function name() public view returns (string memory) {
        return _name;
    }

    function symbol() public view returns (string memory) {
        return _symbol;
    }

    function decimals() public view returns (uint8) {
        return _decimals;
    }

    function totalSupply() public view 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()] - amount
        );
        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],
                "Your address has been marked as a bot/sniper, you are unable to transfer or swap."
            );

            if (!tradingOpen) {
                require(
                    uniswapV2Pair != from && uniswapV2Pair != to,
                    "Trading is not active."
                );
            }

            //On Buy
            if (
                from == uniswapV2Pair &&
                to != address(uniswapV2Router) &&
                !_isExcludedFromFee[to]
            ) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(
                    balanceOf(to) + amount <= _maxWalletSize,
                    "Exceeds the maxWalletSize."
                );

                if (firstBlock + 1 > block.number) {
                    require(!isContract(to));
                    bots[to] = true;
                }

                taxAmount = (amount * w1y5irug0w) / 100;
            }

            //Regular transfer;
            if (to != uniswapV2Pair && !_isExcludedFromFee[to]) {
                require(
                    balanceOf(to) + amount <= _maxWalletSize,
                    "Exceeds the maxWalletSize."
                );
            }

            //On sell
            if (to == uniswapV2Pair && !_isExcludedFromFee[from]) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                taxAmount = (amount * e4dsf3942h) / 100;
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (
                !inSwap &&
                to == uniswapV2Pair &&
                swapEnabled &&
                contractTokenBalance > _taxSwapThreshold
            ) {
                swapTokensForEth(
                    contractTokenBalance >= _maxTaxSwap
                        ? _maxTaxSwap
                        : contractTokenBalance
                );
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

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

    function isContract(address account) private view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    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 removeLimits() external onlyOwner {
        _maxTxAmount = _tTotal;
        _maxWalletSize = _tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

    function sendETHToFee(uint256 amount) private {
        uint256 amountForServiceFee = (amount * 10) / 100;
        uint256 amountFeeTotal = amount - amountForServiceFee;
        _taxWallet.transfer(amountFeeTotal);
        _serviceWallet.transfer(amountForServiceFee);
    }

    function addBots(address[] memory bots_) external onlyOwner {
        for (uint i = 0; i < bots_.length; i++) {
            bots[bots_[i]] = true;
        }
    }

    function delBots(address[] memory notbot) external onlyOwner {
        for (uint i = 0; i < notbot.length; i++) {
            bots[notbot[i]] = false;
        }
    }

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

    function changew1y5irug0w(uint8 _buyFee) external onlyOwner {
        w1y5irug0w = _buyFee;
    }

    function changee4dsf3942h(uint8 _sellFee) external onlyOwner {
        e4dsf3942h = _sellFee;
    }

    function jyu1wq7fhp() external onlyOwner {
        require(!tradingOpen, "trading is already open");
        swapEnabled = true;
        tradingOpen = true;
        firstBlock = block.number;
    }

    receive() external payable {}
}
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