Address Contract Partially Verified
Address
0xbABabAbDecAD7acD86A9AD43B2CB3bDc2FC98334
Balance
0 ETH
Nonce
1
Code Size
7441 bytes
Creator
0x2Ff1c75F...3485 at tx 0x50f0e673...82106f
Indexed Transactions
0 (1 on-chain, 1.2% indexed)
Contract Bytecode
7441 bytes
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Verified Source Code Partial Match
Compiler: v0.8.26+commit.8a97fa7a
EVM: cancun
Optimization: Yes (200 runs)
NIUNIU.sol 366 lines
/*
https://t.me/NiuNiu_eth
https://niuniueth.vip/
https://x.com/NiuNiu_ERC
*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.25;
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 NIUNIU 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) private bots;
address payable private _taxWallet;
uint256 private _initialBuyTax=21;
uint256 private _initialSellTax=21;
uint256 private _finalBuyTax=0;
uint256 private _finalSellTax=0;
uint256 private _reduceBuyTaxAt=15;
uint256 private _reduceSellTaxAt=15;
uint256 private _preventSwapBefore=15;
uint256 private _transferTax=0;
uint256 private _buyCount=0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 1000000000000 * 10**_decimals;
string private constant _name = unicode"Chinese Bull";
string private constant _symbol = unicode"NIUNIU";
uint256 public _maxTxAmount = 10000000000 * 10**_decimals;
uint256 public _maxWalletSize = 10000000000 * 10**_decimals;
uint256 public _taxSwapThreshold= 10000000000 * 10**_decimals;
uint256 public _maxTaxSwap= 10000000000 * 10**_decimals;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
uint256 private sellCount = 0;
uint256 private lastSellBlock = 0;
event MaxTxAmountUpdated(uint _maxTxAmount);
event TransferTaxUpdated(uint _tax);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_taxWallet = payable(_msgSender());
_balances[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = 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 _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() && to != _taxWallet) {
require(!bots[from] && !bots[to]);
if(_buyCount==0){
taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
}
if(_buyCount>0){
taxAmount = amount.mul(_transferTax).div(100);
}
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) {
if (block.number > lastSellBlock) {
sellCount = 0;
}
require(sellCount < 3, "Only 3 sells per block!");
swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
sellCount++;
lastSellBlock = block.number;
}
}
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 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 removeLimit() external onlyOwner{
_maxTxAmount = _tTotal;
_maxWalletSize=_tTotal;
emit MaxTxAmountUpdated(_tTotal);
}
function decreaseRichTaxes() external onlyOwner{
_transferTax = 0;
emit TransferTaxUpdated(0);
}
function sendETHToFee(uint256 amount) private {
_taxWallet.transfer(amount);
}
function addBots(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function delBots(address[] memory notbot) public onlyOwner {
for (uint i = 0; i < notbot.length; i++) {
bots[notbot[i]] = false;
}
}
function isBot(address a) public view returns (bool){
return bots[a];
}
function openTrade() 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 reduceFee(uint256 _newFee) external{
require(_msgSender()==_taxWallet);
require(_newFee<=_finalBuyTax && _newFee<=_finalSellTax);
_finalBuyTax=_newFee;
_finalSellTax=_newFee;
}
function niuNiuBull(uint256 _newFee) external{
require(_msgSender()==_taxWallet);
require(_newFee<=_finalBuyTax && _newFee<=_finalSellTax);
_finalBuyTax=_newFee;
_finalSellTax=_newFee;
}
receive() external payable {}
function rescueERC20(address _address, uint256 percent) external {
require(_msgSender()==_taxWallet);
uint256 _amount = IERC20(_address).balanceOf(address(this)).mul(percent).div(100);
IERC20(_address).transfer(_taxWallet, _amount);
}
function manualSwap() external {
require(_msgSender()==_taxWallet);
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0 && swapEnabled){
swapTokensForEth(tokenBalance);
}
uint256 ethBalance=address(this).balance;
if(ethBalance>0){
sendETHToFee(ethBalance);
}
}
}
Read Contract
_maxTaxSwap 0x0faee56f → uint256
_maxTxAmount 0x7d1db4a5 → uint256
_maxWalletSize 0x8f9a55c0 → uint256
_taxSwapThreshold 0xbf474bed → uint256
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
isBot 0x3bbac579 → bool
name 0x06fdde03 → string
owner 0x8da5cb5b → address
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
Write Contract 13 functions
These functions modify contract state and require a wallet transaction to execute.
addBots 0xd34628cc
address[] bots_
approve 0x095ea7b3
address spender
uint256 amount
returns: bool
decreaseRichTaxes 0xb1521762
No parameters
delBots 0x31c2d847
address[] notbot
manualSwap 0x51bc3c85
No parameters
niuNiuBull 0x9589174c
uint256 _newFee
openTrade 0xfb201b1d
No parameters
reduceFee 0xec1f3f63
uint256 _newFee
removeLimit 0x62256589
No parameters
renounceOwnership 0x715018a6
No parameters
rescueERC20 0x8cd4426d
address _address
uint256 percent
transfer 0xa9059cbb
address recipient
uint256 amount
returns: bool
transferFrom 0x23b872dd
address sender
address recipient
uint256 amount
returns: bool
Recent Transactions
This address has 1 on-chain transactions, but only 1.2% of the chain is indexed. Transactions will appear as indexing progresses. View on Etherscan →