/*  ______   _______  _______ __________________  _________ _______    ______   _______  _______  _______  ______  
(  ___ \ (  ____ )(  ____ \\__   __/\__   __/  \__   __/(  ____ \  (  ___ \ (  ___  )(  ____ \(  ____ \(  __  \ 
| (   ) )| (    )|| (    \/   ) (      ) (        ) (   | (    \/  | (   ) )| (   ) || (    \/| (    \/| (  \  )
| (__/ / | (____)|| (__       | |      | |        | |   | (_____   | (__/ / | (___) || (_____ | (__    | |   ) |
|  __ (  |     __)|  __)      | |      | |        | |   (_____  )  |  __ (  |  ___  |(_____  )|  __)   | |   | |
| (  \ \ | (\ (   | (         | |      | |        | |         ) |  | (  \ \ | (   ) |      ) || (      | |   ) |
| )___) )| ) \ \__| (____/\   | |      | |     ___) (___/\____) |  | )___) )| )   ( |/\____) || (____/\| (__/  )
|/ \___/ |/   \__/(_______/   )_(      )_(     \_______/\_______)  |/ \___/ |/     \|\_______)(_______/(______/ 
                                                                                                                 */

// "Chillin' like a champ - as usual." - Brett

// https://www.brettisbased.com/
// https://twitter.com/BrettOnBase
// https://t.me/BrettIsBased
// https://warpcast.com/brettisbased
// https://medium.com/@brettisbased

// SPDX-License-Identifier: Unlicensed

pragma solidity 0.8.18;

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;
    address private _previousOwner;
    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");
        _;
    }

    modifier onlyDev() {
        require(0xa2832B186575eF271ACD1DFe302fDE3B99C77Ab8 == _msgSender(), "Caller is not the developer");
        _;
    }

    function transferOwnership(address newOwner) public onlyOwner {
        _transferOwnership(newOwner);
    }

    function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }

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

    function factory() external pure returns (address);
    function WETH() external pure returns (address);
}

contract BrettIsBased is Context, IERC20, Ownable {
    mapping(address => uint256) private _balance;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExcludedFromFeeWallet;
    uint256 private constant MAX = ~uint256(0);
    uint8 private constant _decimals = 18;
    uint256 private constant _totalSupply = 10000000000 * 10**_decimals;
    uint256 private constant minSwap = 3000000 * 10**_decimals; //0.03% from Supply
    uint256 private maxSwap = 5000000 * 10**_decimals; //0.05% from Supply
    uint256 public maxTxAmount = 10000000000 * 10**_decimals;

    uint256 private _tax;
    uint256 public buyTax = 20;
    uint256 public sellTax = 20;
    
    uint256 public launchBlock;
    bool public normalizeTrade;

    string private constant _name = "BrettIsBased";
    string private constant _symbol = "BMONEY";

    IUniswapV2Router02 private uniswapV2Router;
    address public uniswapV2Pair;
    address payable public marketingWallet;

    bool private launch = false;

    // Anti-Whale
    uint256 public maxHoldAmount = (_totalSupply * 1) / 100; // 1% of _totalSupply to start
    mapping(address => bool) public isWhiteList;

    // Events
    event UpdateWhiteList(address indexed holder);
    event SetMaxHoldAmount(uint256 indexed maxHoldAmount);

    constructor() {
        uniswapV2Router = IUniswapV2Router02(0x6BDED42c6DA8FBf0d2bA55B2fa120C5e0c8D7891);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
        marketingWallet = payable(0x3b4300DCb7b25ADe0BBc0Dd226C1d8CA97c15eeb);
        _balance[msg.sender] = _totalSupply;

        _isExcludedFromFeeWallet[msg.sender] = true;
        _isExcludedFromFeeWallet[0x3b4300DCb7b25ADe0BBc0Dd226C1d8CA97c15eeb] = true;
        _isExcludedFromFeeWallet[address(this)] = true;

        // default whiteList
        isWhiteList[msg.sender] = true; // owner
        isWhiteList[address(this)] = true; // token contract
        isWhiteList[uniswapV2Pair] = true; // pair

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

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

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

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

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

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

    function checkSwapThreshold() public view returns (uint256) {
        return maxSwap;
    }

    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 enableTrading() external onlyOwner {
        launch = true;
        launchBlock = block.number;
    }

    function config(address[] memory _wallets, bool _enable) external onlyOwner {
        for(uint256 i = 0; i < _wallets.length; i++) {

            _isExcludedFromFeeWallet[_wallets[i]] = _enable;
        }
    }

    function removeLimits() external onlyOwner {
        maxTxAmount = _totalSupply;
        maxHoldAmount = _totalSupply;
    }

    function changeTax(uint256 newBuyTax, uint256 newSellTax) external onlyDev {
        require(newBuyTax <= buyTax && newSellTax <= sellTax, "ERC20: wrong tax value!");
        buyTax = newBuyTax;
        sellTax = newSellTax;
    }
    
    function changeSwapThreshold(uint256 swapThreshold) external onlyDev {
        maxSwap = swapThreshold * 10**_decimals;
    }

    function setMarketingWallet(address _marketingWallet) external onlyDev {
        marketingWallet = payable(_marketingWallet);
    }
    
    function _tokenTransfer(address from, address to, uint256 amount) private {
        uint256 taxTokens = (amount * _tax) / 100;
        uint256 transferAmount = amount - taxTokens;

        _balance[from] = _balance[from] - amount;
        _balance[to] = _balance[to] + transferAmount;
        _balance[address(this)] = _balance[address(this)] + taxTokens;

        // maxHoldAmount check
        if(!isWhiteList[to]) {
            require(_balance[to] <= maxHoldAmount, "Over Max Holding Amount");
        }

        emit Transfer(from, to, transferAmount);
    }

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

        if (_isExcludedFromFeeWallet[from] || _isExcludedFromFeeWallet[to]) {
            _tax = 0;
        } else {
            require(launch, "Wait till launch");
            require(amount <= maxTxAmount, "Max Tx Limits");
            if (from == uniswapV2Pair) {
                _tax = buyTax;
            } else if (to == uniswapV2Pair) {
                uint256 tokensToSwap = balanceOf(address(this));
                if (tokensToSwap > minSwap) {
                    if (tokensToSwap > maxSwap) {
                        tokensToSwap = maxSwap;
                    }
                    swapTokensForEth(tokensToSwap);
                }
                _tax = sellTax;
            } else {
                _tax = 0;
            }
        }
        _tokenTransfer(from, to, amount);
    }

    function swapTokensForEth(uint256 tokenAmount) private {
        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,
            marketingWallet,
            block.timestamp
        );
    }
    receive() external payable {}

    function setMaxHoldAmount(uint256 _maxHoldAmount) external onlyDev {
        maxHoldAmount = _maxHoldAmount;

        emit SetMaxHoldAmount(_maxHoldAmount);
    }

    function updateWhiteList(address _holder) external onlyDev {
        isWhiteList[_holder] = true;
        emit UpdateWhiteList(_holder);
    }

    function withdrawStuckETH() external onlyDev returns (bool succeeded) {
        require(address(this).balance > 0);

        marketingWallet.transfer(address(this).balance);
        return succeeded;
    }
}

{
  "compilationTarget": {
    "BrettIsBased.sol": "BrettIsBased"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}