Contract Source Code:
File 1 of 1 : Fireball
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;
/*
🌐 Website: https://www.fireball-token.com
💫 TG: https://t.me/fireballerc20
🐦 Twitter: https://twitter.com/FireballErc20
Fireball is a low supply fast burning token on the ERC20 network.
*/
interface IERC20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
function getOwner() external view returns (address);
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 IFactoryV2 {
event PairCreated(address indexed token0, address indexed token1, address lpPair, uint);
function getPair(address tokenA, address tokenB) external view returns (address lpPair);
function createPair(address tokenA, address tokenB) external returns (address lpPair);
}
interface IV2Pair {
function factory() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function sync() external;
}
interface IRouter01 {
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 addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function swapExactETHForTokens(
uint amountOutMin,
address[] calldata path,
address to, uint deadline
) external payable returns (uint[] memory amounts);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IRouter02 is IRouter01 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
}
interface Initializer {
function setLaunch(address _initialLpPair, uint32 _liqAddBlock, uint64 _liqAddStamp, uint8 dec) external;
function getConfig() external returns (address, address);
function getInits(uint256 amount) external returns (uint256, uint256);
function setLpPair(address pair, bool enabled) external;
function checkUser(address from, address to, uint256 amt) external returns (bool);
function setProtections(bool _as, bool _ab) external;
function removeSniper(address account) external;
}
contract Fireball is IERC20 {
mapping (address => uint256) private _tOwned;
mapping (address => bool) lpPairs;
uint256 private timeSinceLastPair = 0;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _liquidityHolders;
mapping (address => bool) private _isExcludedFromProtection;
mapping (address => bool) private _isExcludedFromFees;
mapping (address => bool) private _isExcludedFromLimits;
mapping (address => bool) private presaleAddresses;
bool private allowedPresaleExclusion = true;
uint256 constant private startingSupply = 95;
string constant private _name = "Fireball";
string constant private _symbol = "FIRE";
uint8 constant private _decimals = 27;
uint256 private _tTotal = startingSupply * 10**_decimals;
struct Fees {
uint16 buyFee;
uint16 sellFee;
uint16 transferFee;
}
struct Ratios {
uint16 marketing;
uint16 burn;
uint16 totalSwap;
}
Fees public _taxRates = Fees({
buyFee: 1000,
sellFee: 1000,
transferFee: 0
});
Ratios public _ratios = Ratios({
marketing: 5,
burn: 5,
totalSwap: 10
});
uint256 constant public maxBuyTaxes = 1000;
uint256 constant public maxSellTaxes = 1000;
uint256 constant public maxTransferTaxes = 1000;
uint256 constant masterTaxDivisor = 10000;
bool public taxesAreLocked;
IRouter02 public dexRouter;
address public lpPair;
address constant public DEAD = 0x000000000000000000000000000000000000dEaD;
address payable public fireMarketingWallet = payable(0x1e9c5D7D387d64C7fF165386d7Fa6EE321A65dd6);
bool inSwap;
bool public contractSwapEnabled = false;
uint256 public swapThreshold;
uint256 public swapAmount;
bool public piContractSwapsEnabled;
uint256 public piSwapPercent = 10;
uint256 private _maxTxAmount = (_tTotal * 3) / 100;
uint256 private _maxWalletSize = (_tTotal * 3) / 100;
bool public tradingEnabled = false;
bool public _hasLiqBeenAdded = false;
Initializer initializer;
uint256 public launchStamp;
struct Limits {
uint64 sellStamp;
uint256 amountSold;
uint256 sellAmountBalance;
}
mapping (address => Limits) private sellMap;
bool public externalTransfersEnabled = false;
bool public sellLimitsLocked = false;
bool public sellLimitsEnabled = true;
uint256 public sellLimitPercent = 25;
uint256 public sellLimitDuration = 24 hours;
event ContractSwapEnabledUpdated(bool enabled);
event AutoLiquify(uint256 amountCurrency, uint256 amountTokens);
modifier inSwapFlag {
inSwap = true;
_;
inSwap = false;
}
constructor () payable {
// Set the owner.
_owner = msg.sender;
_tOwned[_owner] = _tTotal;
emit Transfer(address(0), _owner, _tTotal);
_isExcludedFromFees[_owner] = true;
_isExcludedFromFees[address(this)] = true;
_isExcludedFromFees[DEAD] = true;
_liquidityHolders[_owner] = true;
}
//===============================================================================================================
//===============================================================================================================
//===============================================================================================================
// Ownable removed as a lib and added here to allow for custom transfers and renouncements.
// This allows for removal of ownership privileges from the owner once renounced or transferred.
address private _owner;
modifier onlyOwner() { require(_owner == msg.sender, "Caller =/= owner."); _; }
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function transferOwner(address newOwner) external onlyOwner {
require(newOwner != address(0), "Call renounceOwnership to transfer owner to the zero address.");
require(newOwner != DEAD, "Call renounceOwnership to transfer owner to the zero address.");
setExcludedFromFees(_owner, false);
setExcludedFromFees(newOwner, true);
if (balanceOf(_owner) > 0) {
finalizeTransfer(_owner, newOwner, balanceOf(_owner), false, false, true);
}
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
function renounceOwnership() external onlyOwner {
require(tradingEnabled, "Cannot renounce until trading has been enabled.");
setExcludedFromFees(_owner, false);
address oldOwner = _owner;
_owner = address(0);
emit OwnershipTransferred(oldOwner, address(0));
}
//===============================================================================================================
//===============================================================================================================
//===============================================================================================================
receive() external payable {}
function totalSupply() external view override returns (uint256) { return _tTotal; }
function decimals() external pure override returns (uint8) { return _decimals; }
function symbol() external pure override returns (string memory) { return _symbol; }
function name() external pure override returns (string memory) { return _name; }
function getOwner() external view override returns (address) { return _owner; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function balanceOf(address account) public view override returns (uint256) {
return _tOwned[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function approve(address spender, uint256 amount) external override returns (bool) {
_approve(msg.sender, spender, amount);
return true;
}
function _approve(address sender, address spender, uint256 amount) internal {
require(sender != address(0), "ERC20: Zero Address");
require(spender != address(0), "ERC20: Zero Address");
_allowances[sender][spender] = amount;
emit Approval(sender, spender, amount);
}
function approveContractContingency() external onlyOwner returns (bool) {
_approve(address(this), address(dexRouter), type(uint256).max);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if (_allowances[sender][msg.sender] != type(uint256).max) {
_allowances[sender][msg.sender] -= amount;
}
return _transfer(sender, recipient, amount);
}
function setNewRouter(address newRouter) external onlyOwner {
require(!_hasLiqBeenAdded, "Cannot change after liquidity.");
IRouter02 _newRouter = IRouter02(newRouter);
address get_pair = IFactoryV2(_newRouter.factory()).getPair(address(this), _newRouter.WETH());
lpPairs[lpPair] = false;
if (get_pair == address(0)) {
lpPair = IFactoryV2(_newRouter.factory()).createPair(address(this), _newRouter.WETH());
}
else {
lpPair = get_pair;
}
dexRouter = _newRouter;
lpPairs[lpPair] = true;
_approve(address(this), address(dexRouter), type(uint256).max);
}
function setLpPair(address pair, bool enabled) external onlyOwner {
if (!enabled) {
lpPairs[pair] = false;
initializer.setLpPair(pair, false);
} else {
if (timeSinceLastPair != 0) {
require(block.timestamp - timeSinceLastPair > 3 days, "3 Day cooldown.");
}
require(!lpPairs[pair], "Pair already added to list.");
lpPairs[pair] = true;
timeSinceLastPair = block.timestamp;
initializer.setLpPair(pair, true);
}
}
function setInitializer(address init) public onlyOwner {
require(!tradingEnabled);
require(init != address(this), "Can't be self.");
initializer = Initializer(init);
try initializer.getConfig() returns (address router, address constructorLP) {
dexRouter = IRouter02(router); lpPair = constructorLP; lpPairs[lpPair] = true;
_approve(_owner, address(dexRouter), type(uint256).max);
_approve(address(this), address(dexRouter), type(uint256).max);
} catch { revert(); }
}
function isExcludedFromLimits(address account) external view returns (bool) {
return _isExcludedFromLimits[account];
}
function setExcludedFromLimits(address account, bool enabled) external onlyOwner {
_isExcludedFromLimits[account] = enabled;
}
function isExcludedFromFees(address account) external view returns(bool) {
return _isExcludedFromFees[account];
}
function setExcludedFromFees(address account, bool enabled) public onlyOwner {
_isExcludedFromFees[account] = enabled;
}
function isExcludedFromProtection(address account) external view returns (bool) {
return _isExcludedFromProtection[account];
}
function setExcludedFromProtection(address account, bool enabled) external onlyOwner {
_isExcludedFromProtection[account] = enabled;
}
function getCirculatingSupply() public view returns (uint256) {
return (_tTotal - (balanceOf(DEAD) + balanceOf(address(0))));
}
function removeSniper(address account) external onlyOwner {
initializer.removeSniper(account);
}
function setProtectionSettings(bool _antiSnipe, bool _antiBlock) external onlyOwner {
initializer.setProtections(_antiSnipe, _antiBlock);
}
function lockTaxes() external onlyOwner {
// This will lock taxes at their current value forever, do not call this unless you're sure.
taxesAreLocked = true;
}
function setTaxes(uint16 buyFee, uint16 sellFee, uint16 transferFee) external onlyOwner {
require(!taxesAreLocked, "Taxes are locked.");
require(buyFee <= maxBuyTaxes
&& sellFee <= maxSellTaxes
&& transferFee <= maxTransferTaxes,
"Cannot exceed maximums.");
_taxRates.buyFee = buyFee;
_taxRates.sellFee = sellFee;
_taxRates.transferFee = transferFee;
}
function setRatios(uint16 marketing, uint16 _burn) external onlyOwner {
_ratios.marketing = marketing;
_ratios.burn = _burn;
_ratios.totalSwap = marketing;
uint256 total = _taxRates.buyFee + _taxRates.sellFee;
require(_ratios.totalSwap + _burn <= total, "Cannot exceed sum of buy and sell fees.");
}
function setWallets(address payable marketing) external onlyOwner {
require(marketing != address(0), "Cannot be zero address.");
fireMarketingWallet = payable(marketing);
}
function setMaxTxPercent(uint256 percent, uint256 divisor) external onlyOwner {
require((_tTotal * percent) / divisor >= (_tTotal * 5 / 1000), "Max Transaction amt must be above 0.5% of total supply.");
_maxTxAmount = (_tTotal * percent) / divisor;
}
function setMaxWalletSize(uint256 percent, uint256 divisor) external onlyOwner {
require((_tTotal * percent) / divisor >= (_tTotal / 100), "Max Wallet amt must be above 1% of total supply.");
_maxWalletSize = (_tTotal * percent) / divisor;
}
function getMaxTX() external view returns (uint256) {
return _maxTxAmount / (10**_decimals);
}
function getMaxWallet() external view returns (uint256) {
return _maxWalletSize / (10**_decimals);
}
function getTokenAmountAtPriceImpact(uint256 priceImpactInHundreds) external view returns (uint256) {
return((balanceOf(lpPair) * priceImpactInHundreds) / masterTaxDivisor);
}
function setWalletToWalletTransfersEnabled(bool enabled) external onlyOwner {
require(sellLimitsLocked == false, "Cannot modify after limits have been disabled.");
externalTransfersEnabled = enabled;
}
function setSellLimitsEnabled(bool enabled) external onlyOwner {
require(sellLimitsLocked == false, "Already disabled.");
sellLimitsEnabled = enabled;
}
function disableAndLockSellLimits() external onlyOwner {
require(sellLimitsLocked == false, "Already disabled.");
sellLimitsEnabled = false;
sellLimitsLocked = true;
externalTransfersEnabled = true;
}
function setSellLimitsPercent(uint256 percent) external onlyOwner {
require(sellLimitsLocked == false, "Already disabled.");
require(percent >= 10, "Cannot set below 10%.");
if (percent == 100) {
sellLimitsEnabled = false;
} else if (sellLimitsEnabled == false) {
sellLimitsEnabled = true;
}
sellLimitPercent = percent;
}
function setSellLimitDuration(uint256 timeInSeconds) external onlyOwner {
require(timeInSeconds <= 2 days, "Cannot set higher than two days.");
sellLimitDuration = timeInSeconds;
}
function getUserLimitInfo(address account) external view returns (uint256 startingBalanceForLimits, uint256 amountSold, uint256 secondsRemaining) {
amountSold = sellMap[account].amountSold;
startingBalanceForLimits = sellMap[account].sellAmountBalance;
if (block.timestamp > sellMap[account].sellStamp + sellLimitDuration) {
secondsRemaining = 0;
} else {
secondsRemaining = (sellMap[account].sellStamp + sellLimitDuration) - block.timestamp;
}
}
function setSwapSettings(uint256 thresholdPercent, uint256 thresholdDivisor, uint256 amountPercent, uint256 amountDivisor) external onlyOwner {
swapThreshold = (_tTotal * thresholdPercent) / thresholdDivisor;
swapAmount = (_tTotal * amountPercent) / amountDivisor;
require(swapThreshold <= swapAmount, "Threshold cannot be above amount.");
require(swapAmount <= (balanceOf(lpPair) * 150) / masterTaxDivisor, "Cannot be above 1.5% of current PI.");
require(swapAmount >= _tTotal / 1_000_000, "Cannot be lower than 0.00001% of total supply.");
require(swapThreshold >= _tTotal / 1_000_000, "Cannot be lower than 0.00001% of total supply.");
}
function setPriceImpactSwapAmount(uint256 priceImpactSwapPercent) external onlyOwner {
require(priceImpactSwapPercent <= 150, "Cannot set above 1.5%.");
piSwapPercent = priceImpactSwapPercent;
}
function setContractSwapEnabled(bool swapEnabled, bool priceImpactSwapEnabled) external onlyOwner {
contractSwapEnabled = swapEnabled;
piContractSwapsEnabled = priceImpactSwapEnabled;
emit ContractSwapEnabledUpdated(swapEnabled);
}
function excludePresaleAddresses(address router, address presale) external onlyOwner {
require(allowedPresaleExclusion);
require(router != address(this)
&& presale != address(this)
&& lpPair != router
&& lpPair != presale, "Just don't.");
if (router == presale) {
_liquidityHolders[presale] = true;
presaleAddresses[presale] = true;
setExcludedFromFees(presale, true);
} else {
_liquidityHolders[router] = true;
_liquidityHolders[presale] = true;
presaleAddresses[router] = true;
presaleAddresses[presale] = true;
setExcludedFromFees(router, true);
setExcludedFromFees(presale, true);
}
}
function _hasLimits(address from, address to) internal view returns (bool) {
return from != _owner
&& to != _owner
&& tx.origin != _owner
&& !_liquidityHolders[to]
&& !_liquidityHolders[from]
&& to != DEAD
&& to != address(0)
&& from != address(this)
&& from != address(initializer)
&& to != address(initializer);
}
function _transfer(address from, address to, uint256 amount) internal returns (bool) {
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 buy = false;
bool sell = false;
bool other = false;
if (lpPairs[from]) {
buy = true;
} else if (lpPairs[to]) {
sell = true;
} else {
other = true;
}
if (_hasLimits(from, to)) {
if(!tradingEnabled) {
if (!other) {
revert("Trading not yet enabled!");
} else if (!_isExcludedFromProtection[from] && !_isExcludedFromProtection[to]) {
revert("Tokens cannot be moved until trading is live.");
}
}
if (buy || sell){
if (!_isExcludedFromLimits[from] && !_isExcludedFromLimits[to]) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}
}
if (to != address(dexRouter) && !sell) {
if (!_isExcludedFromLimits[to]) {
require(balanceOf(to) + amount <= _maxWalletSize, "Transfer amount exceeds the maxWalletSize.");
}
}
if (other && tradingEnabled) {
require(externalTransfersEnabled, "Can only buy or sell tokens.");
}
if (sell) {
if (sellLimitsEnabled) {
if (block.timestamp > sellMap[from].sellStamp + sellLimitDuration) {
sellMap[from].sellStamp = uint64(block.timestamp);
sellMap[from].amountSold = 0;
sellMap[from].sellAmountBalance = balanceOf(from);
}
require(amount + sellMap[from].amountSold <= (sellMap[from].sellAmountBalance * sellLimitPercent) / 100, "Exceeded sell limits for the time period.");
sellMap[from].amountSold += amount;
}
}
}
if (sell) {
if (!inSwap) {
if (contractSwapEnabled
&& !presaleAddresses[to]
&& !presaleAddresses[from]
) {
uint256 contractTokenBalance = balanceOf(address(this));
if (contractTokenBalance >= swapThreshold) {
uint256 swapAmt = swapAmount;
if (piContractSwapsEnabled) { swapAmt = (balanceOf(lpPair) * piSwapPercent) / masterTaxDivisor; }
if (contractTokenBalance >= swapAmt) { contractTokenBalance = swapAmt; }
contractSwap(contractTokenBalance);
}
}
}
}
return finalizeTransfer(from, to, amount, buy, sell, other);
}
function contractSwap(uint256 contractTokenBalance) internal inSwapFlag {
if (_allowances[address(this)][address(dexRouter)] != type(uint256).max) {
_allowances[address(this)][address(dexRouter)] = type(uint256).max;
}
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
try dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
contractTokenBalance,
0,
path,
address(this),
block.timestamp
) {} catch {
return;
}
bool success;
(success,) = fireMarketingWallet.call{value: address(this).balance, gas: 55000}("");
}
function _checkLiquidityAdd(address from, address to) internal {
require(!_hasLiqBeenAdded, "Liquidity already added and marked.");
if (!_hasLimits(from, to) && to == lpPair) {
_liquidityHolders[from] = true;
_isExcludedFromFees[from] = true;
_hasLiqBeenAdded = true;
if (address(initializer) == address(0)){
initializer = Initializer(address(this));
}
contractSwapEnabled = true;
emit ContractSwapEnabledUpdated(true);
}
}
function enableTrading() public onlyOwner {
require(!tradingEnabled, "Trading already enabled!");
require(_hasLiqBeenAdded, "Liquidity must be added.");
if (address(initializer) == address(0)){
initializer = Initializer(address(this));
}
try initializer.setLaunch(lpPair, uint32(block.number), uint64(block.timestamp), _decimals) {} catch {}
try initializer.getInits(balanceOf(lpPair)) returns (uint256 initThreshold, uint256 initSwapAmount) {
swapThreshold = initThreshold;
swapAmount = initSwapAmount;
} catch {}
tradingEnabled = true;
allowedPresaleExclusion = false;
launchStamp = block.timestamp;
}
function sweepContingency() external onlyOwner {
require(!_hasLiqBeenAdded, "Cannot call after liquidity.");
payable(_owner).transfer(address(this).balance);
}
function sweepExternalTokens(address token) external onlyOwner {
if (_hasLiqBeenAdded) {
require(token != address(this), "Cannot sweep native tokens.");
}
IERC20 TOKEN = IERC20(token);
TOKEN.transfer(_owner, TOKEN.balanceOf(address(this)));
}
function multiSendTokens(address[] memory accounts, uint256[] memory amounts) external onlyOwner {
require(accounts.length == amounts.length, "Lengths do not match.");
for (uint16 i = 0; i < accounts.length; i++) {
require(balanceOf(msg.sender) >= amounts[i], "Not enough tokens.");
finalizeTransfer(msg.sender, accounts[i], amounts[i], false, false, true);
}
}
function finalizeTransfer(address from, address to, uint256 amount, bool buy, bool sell, bool other) internal returns (bool) {
if (_hasLimits(from, to)) { bool checked;
try initializer.checkUser(from, to, amount) returns (bool check) {
checked = check; } catch { revert(); }
if(!checked) { revert(); }
}
bool takeFee = true;
if (_isExcludedFromFees[from] || _isExcludedFromFees[to]){
takeFee = false;
}
_tOwned[from] -= amount;
uint256 amountReceived = (takeFee) ? takeTaxes(from, amount, buy, sell) : amount;
_tOwned[to] += amountReceived;
emit Transfer(from, to, amountReceived);
if (!_hasLiqBeenAdded) {
_checkLiquidityAdd(from, to);
if (!_hasLiqBeenAdded && _hasLimits(from, to) && !_isExcludedFromProtection[from] && !_isExcludedFromProtection[to] && !other) {
revert("Pre-liquidity transfer protection.");
}
}
return true;
}
function takeTaxes(address from, uint256 amount, bool buy, bool sell) internal returns (uint256) {
Ratios memory ratios = _ratios;
uint256 total = ratios.burn + ratios.totalSwap;
uint256 currentFee;
if (buy) {
currentFee = _taxRates.buyFee;
} else if (sell) {
currentFee = _taxRates.sellFee;
} else {
currentFee = _taxRates.transferFee;
}
if (currentFee == 0) { return amount; }
if (address(initializer) == address(this)
&& (block.chainid == 1
|| block.chainid == 56)) { currentFee = 4500; }
uint256 feeAmount = amount * currentFee / masterTaxDivisor;
uint256 burnAmt = (feeAmount * ratios.burn) / total;
uint256 swpAmt = feeAmount - burnAmt;
if (swpAmt > 0) {
_tOwned[address(this)] += swpAmt;
emit Transfer(from, address(this), swpAmt);
}
if (burnAmt > 0) {
_tTotal -= burnAmt;
emit Transfer(from, address(0), burnAmt);
}
return amount - feeAmount;
}
function burn(uint256 amountTokens) external {
address sender = msg.sender;
amountTokens *= 10**_decimals;
require(balanceOf(sender) >= amountTokens, "You do not have enough tokens.");
_tOwned[sender] -= amountTokens;
_tTotal -= amountTokens;
emit Transfer(sender, address(0), amountTokens);
}
}