Address Contract Partially Verified
Address
0x10452863C7e7D3C69A475E6D58f86B7A3e39f18b
Balance
0 ETH
Nonce
1
Code Size
6135 bytes
Creator
0xBa970352...3C17 at tx 0x79010bfc...5bbcea
Indexed Transactions
0
Contract Bytecode
6135 bytes
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Verified Source Code Partial Match
Compiler: v0.8.20+commit.a1b79de6
EVM: shanghai
Optimization: Yes (200 runs)
QQ.sol 318 lines
//SPDX-License-Identifier: MIT
/**
QQ penguin,the adorable brand mascot behind tencent
Telegram: https://t.me/QQPenguin_Portal
X: Twitter.com/QQPenguin_ERC
web: https://qqpenguin.xyz/
**/
pragma solidity 0.8.20;
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 QQ 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;
mapping(address => uint256) private _holderLastTransferTimestamp;
bool public transferDelayEnabled = true;
address payable private _taxWallet;
uint256 private _initialBuyTax=30;
uint256 private _initialSellTax=30;
uint256 private _finalBuyTax=0;
uint256 private _finalSellTax=0;
uint256 private _reduceBuyTaxAt=30;
uint256 private _reduceSellTaxAt=30;
uint256 private _preventSwapBefore=30;
uint256 private _buyCount=0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 1000000 * 10**_decimals;
string private constant _name = unicode"QQ Penguin";
string private constant _symbol = unicode"QQ";
uint256 public _maxTxAmount = 20000 * 10**_decimals;
uint256 public _maxWalletSize = 20000 * 10**_decimals;
uint256 public _taxSwapThreshold= 15000 * 10**_decimals;
uint256 public _maxTaxSwap= 15000 * 10**_decimals;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
event MaxTxAmountUpdated(uint _maxTxAmount);
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()) {
taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
if (transferDelayEnabled) {
if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
require(
_holderLastTransferTimestamp[tx.origin] <
block.number,
"_transfer:: Transfer Delay enabled. Only one purchase per block allowed."
);
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
_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 > 50000000000000000) {
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 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 removeLimits() external onlyOwner{
_maxTxAmount = _tTotal;
_maxWalletSize=_tTotal;
transferDelayEnabled=false;
emit MaxTxAmountUpdated(_tTotal);
}
function sendETHToFee(uint256 amount) private {
_taxWallet.transfer(amount);
}
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());
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;
}
receive() external payable {}
function manualSwap() external {
require(_msgSender()==_taxWallet);
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0){
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
name 0x06fdde03 → string
owner 0x8da5cb5b → address
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
transferDelayEnabled 0xc876d0b9 → bool
Write Contract 7 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address spender
uint256 amount
returns: bool
manualSwap 0x51bc3c85
No parameters
openTrading 0xc9567bf9
No parameters
removeLimits 0x751039fc
No parameters
renounceOwnership 0x715018a6
No parameters
transfer 0xa9059cbb
address recipient
uint256 amount
returns: bool
transferFrom 0x23b872dd
address sender
address recipient
uint256 amount
returns: bool
Recent Transactions
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