// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
pragma experimental ABIEncoderV2;

interface IUniswapV2Router02 {
    function WETH() external pure returns (address);

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

interface IERC20 {
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(address to, 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 from, address to, uint256 amount) external returns (bool);
}

interface IERC20Metadata is IERC20 {

    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external view returns (uint8);
}

contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

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

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

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    function _transfer(address from, address to, uint256 amount) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _totalSupply += amount;
        unchecked {
            _balances[account] += amount;
        }
        
        emit Transfer(address(0), account, amount);
    }

    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
            _totalSupply -= amount;
        }

        emit Transfer(account, address(0), amount);
    }

    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 _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }
}

contract Bobby is ERC20 {
    uint256 public constant initialTotalSupply = 47 * 1e9 * 1e18;
    IUniswapV2Router02 public constant _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
    
    address public marketingWallet;
    uint256 public swapTokensAtAmount;

    bool private swapping;

    uint256 public transferFee = 2;
    uint256 public buyFee = 2;
    uint256 public sellFee = 2;

    mapping(address => bool) private _isExcludedFromFees;
    mapping(address => bool) private automatedMarketMakerPairs;


    modifier onlyMarketing() {
        require(msg.sender == marketingWallet, "Only Marketing Wallet!");
        _;
    }

    constructor() ERC20("Kennedy Memecoin", "BOBBY") {
        _approve(address(this), address(_uniswapV2Router), type(uint256).max);
        _isExcludedFromFees[address(this)] = true;
        _setMarketingWallet(msg.sender);
        _mint(marketingWallet, initialTotalSupply);
    }

    function _transfer(address from, address to, uint256 amount) internal override {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        if (!swapping && automatedMarketMakerPairs[to] && !_isExcludedFromFees[from] && balanceOf(address(this)) > swapTokensAtAmount) {
            swapping = true;
            swapBack();
            swapping = false;
        }

        if (!swapping && !_isExcludedFromFees[from] && !_isExcludedFromFees[to]) {
            uint256 fee = automatedMarketMakerPairs[to] ? sellFee : (automatedMarketMakerPairs[from] ? buyFee: transferFee);
            uint256 fees = amount * fee / 100;
            if (fees > 0) {
                super._transfer(from, address(this), fees);
                amount -= fees;
            }
        }
        super._transfer(from, to, amount);
    }

    function lowerFees(uint256 _transferFee, uint256 _buyFee, uint256 _sellFee) external onlyMarketing {
        require(_transferFee <= transferFee && _buyFee <= buyFee && _sellFee <= sellFee, "Can only lower fees!");
        transferFee = _transferFee;
        buyFee = _buyFee;
        sellFee = _sellFee;
    }

    function retrieveStuckEth() external onlyMarketing {
        payable(marketingWallet).transfer(address(this).balance);
    }

    function retrieveStuckToken(address tokenAddress) external onlyMarketing {
        IERC20(tokenAddress).transfer(marketingWallet, IERC20(tokenAddress).balanceOf(address(this)));
    }

    function setAutomatedMarketMakerPair(address pair, bool value) public onlyMarketing {
        automatedMarketMakerPairs[pair] = value;
    }

    function excludeFromFees(address account, bool excluded) external onlyMarketing {
        _isExcludedFromFees[account] = excluded;
    }

    function setSwapTokensAtAmount(uint256 _amount) external onlyMarketing {
        swapTokensAtAmount = _amount;
    }

    function setMarketingWallet(address _marketingWallet) external onlyMarketing {
        _setMarketingWallet(_marketingWallet);
    }

    function _setMarketingWallet(address _marketingWallet) private {
        marketingWallet = _marketingWallet;
        _isExcludedFromFees[marketingWallet] = true;
    }

    function swapBack() private {
        if (swapTokensAtAmount > 0) {
            address[] memory path = new address[](2);
            path[0] = address(this);
            path[1] = _uniswapV2Router.WETH();
            _uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
                swapTokensAtAmount,
                0,
                path,
                marketingWallet,
                block.timestamp
            );
        }
    }

    receive() external payable {}
}

{
  "compilationTarget": {
    "Bobby.sol": "Bobby"
  },
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 999
  },
  "remappings": []
}