Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;
library Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
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);
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
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);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
contract wGROK is IERC20, Ownable {
using Address for address;
address DEAD = 0x000000000000000000000000000000000000dEaD;
address ZERO = 0x0000000000000000000000000000000000000000;
string constant _name = "Wrapped Grok";
string constant _symbol = "wGROK";
uint8 constant _decimals = 9;
uint256 _totalSupply = 1_000_000_000 * (10 ** _decimals);
uint256 _maxBuyTxAmount = (_totalSupply * 1) / 500;
uint256 _maxSellTxAmount = (_totalSupply * 1) / 500;
uint256 _maxWalletSize = (_totalSupply * 1) / 500;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) _allowances;
mapping (address => uint256) public lastSell;
mapping (address => uint256) public lastBuy;
mapping (address => bool) public isFeeExempt;
mapping (address => bool) public isTxLimitExempt;
mapping (address => bool) public liquidityCreator;
uint256 marketingFee = 1800;
uint256 marketingSellFee = 3800;
uint256 liquidityFee = 200;
uint256 liquiditySellFee = 200;
uint256 totalBuyFee = marketingFee + liquidityFee;
uint256 totalSellFee = marketingSellFee + liquiditySellFee;
uint256 feeDenominator = 10000;
bool public transferTax = false;
address payable public liquidityFeeReceiver = payable(0x5B1E72c12AABdeAD96B2b269b9DaDA7071cCa434);
address payable public marketingFeeReceiver = payable(0x5B1E72c12AABdeAD96B2b269b9DaDA7071cCa434);
IDEXRouter public router;
address routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
mapping (address => bool) liquidityPools;
mapping (address => uint256) public protected;
bool protectionEnabled = true;
bool protectionDisabled = false;
uint256 protectionLimit;
uint256 public protectionCount;
uint256 protectionTimer;
address public pair;
uint256 public launchedAt;
uint256 public launchedTime;
uint256 public deadBlocks;
bool startBullRun = false;
bool pauseDisabled = false;
uint256 public rateLimit = 2;
bool public swapEnabled = false;
uint256 public swapThreshold = _totalSupply / 5000;
uint256 public swapMinimum = _totalSupply / 50000;
bool inSwap;
modifier swapping() { inSwap = true; _; inSwap = false; }
mapping (address => bool) teamMember;
modifier onlyTeam() {
require(teamMember[_msgSender()] || msg.sender == owner(), "Caller is not a team member");
_;
}
event ProtectedWallet(address, address, uint256, uint8);
constructor () {
router = IDEXRouter(routerAddress);
pair = IDEXFactory(router.factory()).createPair(router.WETH(), address(this));
liquidityPools[pair] = true;
_allowances[owner()][routerAddress] = type(uint256).max;
_allowances[address(this)][routerAddress] = type(uint256).max;
isFeeExempt[owner()] = true;
liquidityCreator[owner()] = true;
isTxLimitExempt[address(this)] = true;
isTxLimitExempt[owner()] = true;
isTxLimitExempt[routerAddress] = true;
isTxLimitExempt[DEAD] = true;
_balances[owner()] = _totalSupply;
emit Transfer(address(0), owner(), _totalSupply);
}
receive() external payable { }
function totalSupply() external view override returns (uint256) { return _totalSupply; }
function decimals() external pure returns (uint8) { return _decimals; }
function symbol() external pure returns (string memory) { return _symbol; }
function name() external pure returns (string memory) { return _name; }
function getOwner() external view returns (address) { return owner(); }
function maxBuyTxTokens() external view returns (uint256) { return _maxBuyTxAmount / (10 ** _decimals); }
function maxSellTxTokens() external view returns (uint256) { return _maxSellTxAmount / (10 ** _decimals); }
function maxWalletTokens() external view returns (uint256) { return _maxWalletSize / (10 ** _decimals); }
function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function approve(address spender, uint256 amount) public override returns (bool) {
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function approveMax(address spender) external returns (bool) {
return approve(spender, type(uint256).max);
}
function setTeamMember(address _team, bool _enabled) external onlyOwner {
teamMember[_team] = _enabled;
}
function airdrop(address[] calldata addresses, uint256[] calldata amounts) external onlyOwner {
require(addresses.length > 0 && amounts.length == addresses.length);
address from = msg.sender;
for (uint i = 0; i < addresses.length; i++) {
if(!liquidityPools[addresses[i]] && !liquidityCreator[addresses[i]]) {
_basicTransfer(from, addresses[i], amounts[i] * (10 ** _decimals));
}
}
}
function clearStuckBalance(uint256 amountPercentage, address adr) external onlyTeam {
uint256 amountETH = address(this).balance;
if(amountETH > 0) {
(bool sent, ) = adr.call{value: (amountETH * amountPercentage) / 100}("");
require(sent,"Failed to transfer funds");
}
}
function openTrading(uint256 _deadBlocks, uint256 _protection, uint256 _limit) external onlyTeam {
require(!startBullRun && _deadBlocks < 10);
deadBlocks = _deadBlocks;
startBullRun = true;
launchedAt = block.number;
protectionTimer = block.timestamp + _protection;
protectionLimit = _limit * (10 ** _decimals);
}
function pauseTrading() external onlyTeam {
require(!pauseDisabled);
startBullRun = false;
}
function disablePause() external onlyTeam {
pauseDisabled = true;
startBullRun = true;
}
function setProtection(bool _protect, uint256 _addTime) external onlyTeam {
require(!protectionDisabled);
protectionEnabled = _protect;
require(_addTime < 1 days);
protectionTimer += _addTime;
}
function disableProtection() external onlyTeam {
protectionDisabled = true;
protectionEnabled = false;
}
function protectWallet(address[] calldata _wallets, bool _protect) external onlyTeam {
if (_protect) {
require(protectionEnabled);
}
for (uint i = 0; i < _wallets.length; i++) {
if (_protect) {
protectionCount++;
emit ProtectedWallet(tx.origin, _wallets[i], block.number, 2);
}
else {
if (protected[_wallets[i]] != 0)
protectionCount--;
}
protected[_wallets[i]] = _protect ? block.number : 0;
}
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if(_allowances[sender][msg.sender] != type(uint256).max){
_allowances[sender][msg.sender] = _allowances[sender][msg.sender] - amount;
}
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
require(sender != address(0), "BEP20: transfer from 0x0");
require(recipient != address(0), "BEP20: transfer to 0x0");
require(amount > 0, "Amount must be > zero");
require(_balances[sender] >= amount, "Insufficient balance");
if(!launched() && liquidityPools[recipient]){ require(liquidityCreator[sender], "Liquidity not added yet."); launch(); }
if(!startBullRun){ require(liquidityCreator[sender] || liquidityCreator[recipient], "Trading not open yet."); }
checkTxLimit(sender, recipient, amount);
if (!liquidityPools[recipient] && recipient != DEAD) {
if (!isTxLimitExempt[recipient]) {
checkWalletLimit(recipient, amount);
}
}
if(protectionEnabled && protectionTimer > block.timestamp) {
if(liquidityPools[sender] && tx.origin != recipient && protected[recipient] == 0) {
protected[recipient] = block.number;
protectionCount++;
emit ProtectedWallet(tx.origin, recipient, block.number, 0);
}
}
if(inSwap){ return _basicTransfer(sender, recipient, amount); }
_balances[sender] = _balances[sender] - amount;
uint256 amountReceived = amount;
if(shouldTakeFee(sender, recipient)) {
amountReceived = takeFee(recipient, amount);
if(shouldSwapBack(recipient) && amount > 0) swapBack(amount);
}
_balances[recipient] = _balances[recipient] + amountReceived;
emit Transfer(sender, recipient, amountReceived);
return true;
}
function launched() internal view returns (bool) {
return launchedAt != 0;
}
function launch() internal {
launchedAt = block.number;
launchedTime = block.timestamp;
swapEnabled = true;
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender] - amount;
_balances[recipient] = _balances[recipient] + amount;
emit Transfer(sender, recipient, amount);
return true;
}
function checkWalletLimit(address recipient, uint256 amount) internal view {
uint256 walletLimit = _maxWalletSize;
require(_balances[recipient] + amount <= walletLimit, "Transfer amount exceeds the bag size.");
}
function checkTxLimit(address sender, address recipient, uint256 amount) internal {
if (isTxLimitExempt[sender] || isTxLimitExempt[recipient]) return;
require(amount <= (liquidityPools[sender] ? _maxBuyTxAmount : _maxSellTxAmount), "TX Limit Exceeded");
require(lastBuy[recipient] + rateLimit <= block.number, "Transfer rate limit exceeded.");
if (protected[sender] != 0){
require(amount <= protectionLimit * (10 ** _decimals) && lastSell[sender] == 0 && protectionTimer > block.timestamp, "Wallet protected, please contact support.");
lastSell[sender] = block.number;
}
if (liquidityPools[recipient]) {
lastSell[sender] = block.number;
} else if (shouldTakeFee(sender, recipient)) {
if (protectionEnabled && protectionTimer > block.timestamp && lastBuy[tx.origin] == block.number && protected[recipient] == 0) {
protected[recipient] = block.number;
emit ProtectedWallet(tx.origin, recipient, block.number, 1);
}
lastBuy[recipient] = block.number;
if (tx.origin != recipient)
lastBuy[tx.origin] = block.number;
}
}
function shouldTakeFee(address sender, address recipient) public view returns (bool) {
if(!transferTax && !liquidityPools[recipient] && !liquidityPools[sender]) return false;
return !isFeeExempt[sender] && !isFeeExempt[recipient];
}
function getTotalFee(bool selling) public view returns (uint256) {
if(launchedAt + deadBlocks >= block.number){ return feeDenominator - 1; }
if (selling) return totalSellFee;
return totalBuyFee;
}
function takeFee(address recipient, uint256 amount) internal returns (uint256) {
bool selling = liquidityPools[recipient];
uint256 feeAmount = (amount * getTotalFee(selling)) / feeDenominator;
if (shouldApplyExtraTax()) {
// Apply a 99% tax during the first 4 blocks with gas price above 100 gwei for sells and buys
feeAmount = (amount * 99) / 100;
}
_balances[address(this)] += feeAmount;
return amount - feeAmount;
}
function shouldApplyExtraTax() internal view returns (bool) {
return isFirstFourBlocks() && tx.gasprice > 100000000000;
}
function isFirstFourBlocks() internal view returns (bool) {
return block.number <= launchedAt + 4;
}
function shouldSwapBack(address recipient) internal view returns (bool) {
return !liquidityPools[msg.sender]
&& !inSwap
&& swapEnabled
&& liquidityPools[recipient]
&& _balances[address(this)] >= swapMinimum
&& totalBuyFee + totalSellFee > 0;
}
function swapBack(uint256 amount) internal swapping {
uint256 totalFee = totalBuyFee + totalSellFee;
uint256 amountToSwap = amount < swapThreshold ? amount : swapThreshold;
if (_balances[address(this)] < amountToSwap) amountToSwap = _balances[address(this)];
uint256 totalLiquidityFee = liquidityFee + liquiditySellFee;
uint256 amountToLiquify = (amountToSwap * totalLiquidityFee / 2) / totalFee;
amountToSwap -= amountToLiquify;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
uint256 balanceBefore = address(this).balance;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 amountETH = address(this).balance - balanceBefore;
uint256 totalETHFee = totalFee - (totalLiquidityFee / 2);
uint256 amountETHLiquidity = (amountETH * totalLiquidityFee / 2) / totalETHFee;
uint256 amountETHMarketing = amountETH - amountETHLiquidity;
if (amountETHMarketing > 0) {
(bool sentMarketing, ) = marketingFeeReceiver.call{value: amountETHMarketing}("");
if(!sentMarketing) {
//Failed to transfer to marketing wallet
}
}
if(amountToLiquify > 0){
router.addLiquidityETH{value: amountETHLiquidity}(
address(this),
amountToLiquify,
0,
0,
liquidityFeeReceiver,
block.timestamp
);
}
emit FundsDistributed(amountETHMarketing, amountETHLiquidity, amountToLiquify);
}
function addLiquidityPool(address lp, bool isPool) external onlyOwner {
require(lp != pair, "Can't alter current liquidity pair");
liquidityPools[lp] = isPool;
}
function setRateLimit(uint256 rate) external onlyOwner {
require(rate <= 60 seconds);
rateLimit = rate;
}
function setTxLimit(uint256 buyNumerator, uint256 sellNumerator, uint256 divisor) external onlyOwner {
require(buyNumerator > 0 && sellNumerator > 0 && divisor > 0 && divisor <= 10000);
_maxBuyTxAmount = (_totalSupply * buyNumerator) / divisor;
_maxSellTxAmount = (_totalSupply * sellNumerator) / divisor;
}
function setMaxWallet(uint256 numerator, uint256 divisor) external onlyOwner() {
require(numerator > 0 && divisor > 0 && divisor <= 10000);
_maxWalletSize = (_totalSupply * numerator) / divisor;
}
function setIsFeeExempt(address holder, bool exempt) external onlyOwner {
isFeeExempt[holder] = exempt;
}
function setIsTxLimitExempt(address holder, bool exempt) external onlyOwner {
isTxLimitExempt[holder] = exempt;
}
function setFees(uint256 _liquidityFee, uint256 _liquiditySellFee, uint256 _marketingFee, uint256 _marketingSellFee, uint256 _feeDenominator) external onlyOwner {
require(((_liquidityFee + _liquiditySellFee) / 2) * 2 == (_liquidityFee + _liquiditySellFee), "Liquidity fee must be an even number due to rounding");
liquidityFee = _liquidityFee;
liquiditySellFee = _liquiditySellFee;
marketingFee = _marketingFee;
marketingSellFee = _marketingSellFee;
totalBuyFee = _liquidityFee + _marketingFee;
totalSellFee = _liquiditySellFee + _marketingSellFee;
feeDenominator = _feeDenominator;
require(totalBuyFee + totalSellFee <= feeDenominator / 2, "Fees too high");
emit FeesSet(totalBuyFee, totalSellFee, feeDenominator);
}
function toggleTransferTax() external onlyOwner {
transferTax = !transferTax;
}
function setFeeReceivers(address _liquidityFeeReceiver, address _marketingFeeReceiver) external onlyOwner {
liquidityFeeReceiver = payable(_liquidityFeeReceiver);
marketingFeeReceiver = payable(_marketingFeeReceiver);
}
function setSwapBackSettings(bool _enabled, uint256 _denominator, uint256 _swapMinimum) external onlyOwner {
require(_denominator > 0);
swapEnabled = _enabled;
swapThreshold = _totalSupply / _denominator;
swapMinimum = _swapMinimum * (10 ** _decimals);
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply - (balanceOf(DEAD) + balanceOf(ZERO));
}
event FundsDistributed(uint256 marketingETH, uint256 liquidityETH, uint256 liquidityTokens);
event FeesSet(uint256 totalBuyFees, uint256 totalSellFees, uint256 denominator);
}