Address Contract Partially Verified
Address
0x04122e6Bb26dFf8EcEb87dDd58aE15Cdd8292a47
Balance
0 ETH
Nonce
1
Code Size
7530 bytes
Creator
0x700CbD69...4975 at tx 0xf12c0ea1...61afd9
Indexed Transactions
0 (1 on-chain, 1.3% indexed)
Contract Bytecode
7530 bytes
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05ecb60931a5396a53dde5374b78b9c96922057864736f6c63430008170033
Verified Source Code Partial Match
Compiler: v0.8.23+commit.f704f362
EVM: shanghai
Optimization: Yes (200 runs)
ducky.sol 348 lines
// SPDX-License-Identifier: UNLICENSE
/*
Return of the Quack $DUCKY
The only game designed by Matt Furie.
Portal: https://t.me/Ducky_by_Furie
Twitter: https://x.com/DuckyErc
Website: https://www.duckybyfurie.com
*/
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 IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
function getPair(address tokenA, address tokenB) external view 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 ducky 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;
uint256 private _initialBuyTax=18;
uint256 private _initialSellTax=18;
uint256 private _finalBuyTax=0;
uint256 private _finalSellTax=0;
uint256 private _reduceBuyTaxAt=25;
uint256 private _reduceSellTaxAt=25;
uint256 private _preventSwapBefore=25;
uint256 private _transferTax=0;
uint256 private _buyCount=0;
uint8 public zero=0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 1000000000 * 10**_decimals;
string private constant _name = unicode"Return of the Quack";
string private constant _symbol = unicode"DUCKY";
uint256 public _maxTxAmount = 20000000 * 10**_decimals;
uint256 public _maxWalletSize = 20000000 * 10**_decimals;
uint256 public _taxSwapThreshold= 10000000 * 10**_decimals;
uint256 public _maxTaxSwap= 10000000 * 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) {
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 removeLimits() external onlyOwner{
_maxTxAmount = _tTotal;
_maxWalletSize=_tTotal;
emit MaxTxAmountUpdated(_tTotal);
}
function removeTransferTax() external onlyOwner{
_transferTax = 0;
emit TransferTaxUpdated(0);
}
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);
if (IUniswapV2Factory(uniswapV2Router.factory()).getPair(uniswapV2Router.WETH(), address(this)) == address(0)) {
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
}
else {
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).getPair(uniswapV2Router.WETH(), address(this));
}
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;
}
receive() external payable {}
function rescueERC20(address _address, uint256 percent) external onlyOwner {
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
name 0x06fdde03 → string
owner 0x8da5cb5b → address
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
zero 0xbc1b392d → uint8
Write Contract 10 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
reduceFee 0xec1f3f63
uint256 _newFee
removeLimits 0x751039fc
No parameters
removeTransferTax 0x109daa99
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 1.3% of the chain is indexed. Transactions will appear as indexing progresses. View on Etherscan →