TG : https://t.co/WDQy01LBEN
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Reentrancy in UmbrellaLunar._transfer(address,address,uint256) (#973-1031):
External calls:
- swapAndLiquify(contractTokenBalance) (#1012)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
- pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1196-1202)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1012)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
State variables written after the call(s):
- _transferStandard(sender,recipient,amount) (#1028)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#1161)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1046)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1047)
- _transferStandard(sender,recipient,amount) (#1028)
- _rTotal = _rTotal.sub(rFee) (#1054)
Apply the check-effects-interactions pattern.
Additional information: link
UmbrellaLunar._tOwned (#735) is never initialized. It is used in:
- UmbrellaLunar._getCurrentSupply() (#1143-1156)
UmbrellaLunar._excluded (#740) is never initialized. It is used in:
- UmbrellaLunar._getCurrentSupply() (#1143-1156)
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.
Additional information: link
UmbrellaLunar._getTValues(uint256) (#1100-1115) performs a multiplication on the result of a division:
-tFee = tAmount.div(10 ** 2).mul(_taxFee).mul(multiplier) (#1110)
UmbrellaLunar._getTValues(uint256) (#1100-1115) performs a multiplication on the result of a division:
-tLiquidity = tAmount.div(10 ** 2).mul(_liquidityFee).mul(multiplier) (#1111-1112)
Consider ordering multiplication before division.
Additional information: link
UmbrellaLunar.addLiquidity(uint256,uint256) (#1205-1218) ignores return value by pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
Ensure that all the return values of the function calls are used.
Additional information: link
UmbrellaLunar.allowance(address,address).owner (#822) shadows:
- Ownable.owner() (#329-331) (function)
UmbrellaLunar._approve(address,address,uint256).owner (#947) shadows:
- Ownable.owner() (#329-331) (function)
Rename the local variables that shadow another component.
Additional information: link
UmbrellaLunar.setTaxFeePercent(uint256) (#840-842) should emit an event for:
- _taxFee = taxFee (#841)
UmbrellaLunar.setLiquidityFeePercent(uint256) (#844-846) should emit an event for:
- _liquidityFee = liquidityFee (#845)
Emit an event for critical parameter changes.
Additional information: link
Reentrancy in UmbrellaLunar._transfer(address,address,uint256) (#973-1031):
External calls:
- swapAndLiquify(contractTokenBalance) (#1012)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
- pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1196-1202)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1012)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
State variables written after the call(s):
- removeAllFee() (#1026)
- _liquidityFee = 0 (#965)
- restoreAllFee() (#1030)
- _liquidityFee = _previousLiquidityFee (#970)
- removeAllFee() (#1026)
- _previousLiquidityFee = _liquidityFee (#962)
- removeAllFee() (#1026)
- _previousTaxFee = _taxFee (#961)
- _transferStandard(sender,recipient,amount) (#1028)
- _tFeeTotal = _tFeeTotal.add(tFee) (#1055)
- removeAllFee() (#1026)
- _taxFee = 0 (#964)
- restoreAllFee() (#1030)
- _taxFee = _previousTaxFee (#969)
Reentrancy in UmbrellaLunar.constructor() (#770-785):
External calls:
- pcsV2Pair = IPancakeFactory(_pancakeswapV2Router.factory()).createPair(address(this),_pancakeswapV2Router.WETH()) (#778-781)
State variables written after the call(s):
- pcsV2Router = _pancakeswapV2Router (#782)
Reentrancy in UmbrellaLunar.swapAndLiquify(uint256) (#1164-1185):
External calls:
- swapTokensForBNB(half) (#1176)
- pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1196-1202)
- addLiquidity(otherHalf,newBalance) (#1182)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1182)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#1182)
- _allowances[owner][spender] = amount (#954)
Reentrancy in UmbrellaLunar.transferFrom(address,address,uint256) (#860-875):
External calls:
- _transfer(sender,recipient,amount) (#865)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
- pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1196-1202)
External calls sending eth:
- _transfer(sender,recipient,amount) (#865)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#866-873)
- _allowances[owner][spender] = amount (#954)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in UmbrellaLunar._transfer(address,address,uint256) (#973-1031):
External calls:
- swapAndLiquify(contractTokenBalance) (#1012)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
- pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1196-1202)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1012)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#1050)
- _transferStandard(sender,recipient,amount) (#1028)
Reentrancy in UmbrellaLunar.constructor() (#770-785):
External calls:
- pcsV2Pair = IPancakeFactory(_pancakeswapV2Router.factory()).createPair(address(this),_pancakeswapV2Router.WETH()) (#778-781)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_tTotal) (#784)
Reentrancy in UmbrellaLunar.swapAndLiquify(uint256) (#1164-1185):
External calls:
- swapTokensForBNB(half) (#1176)
- pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1196-1202)
- addLiquidity(otherHalf,newBalance) (#1182)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1182)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#955)
- addLiquidity(otherHalf,newBalance) (#1182)
- SwapAndLiquify(half,newBalance,otherHalf,contractTokenBalance) (#1184)
Reentrancy in UmbrellaLunar.transferFrom(address,address,uint256) (#860-875):
External calls:
- _transfer(sender,recipient,amount) (#865)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
- pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1196-1202)
External calls sending eth:
- _transfer(sender,recipient,amount) (#865)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1210-1217)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#955)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#866-873)
Apply the check-effects-interactions pattern.
Additional information: link
UmbrellaLunar._getAntiDumpMultiplier() (#1084-1098) uses timestamp for comparisons
Dangerous comparisons:
- time_since_start < 146 * hour (#1087)
- time_since_start < 218 * hour (#1089)
- time_since_start < 362 * hour (#1091)
- time_since_start < 650 * hour (#1093)
Avoid relying on block.timestamp.
Additional information: link
Different versions of Solidity is used:
- Version used: ['>=0.5.0', '>=0.6.2', '^0.6.12']
- ^0.6.12 (#8)
- >=0.6.2 (#374)
- >=0.6.2 (#537)
- >=0.5.0 (#586)
- >=0.5.0 (#620)
Use one Solidity version.
Additional information: link
Context._msgData() (#130-133) is never used and should be removed
SafeMath.mod(uint256,uint256) (#272-274) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#287-294) is never used and should be removed
Remove unused functions.
Additional information: link
UmbrellaLunar._previousTaxFee (#749) is set pre-construction with a non-constant function or state variable:
- _taxFee
UmbrellaLunar._previousLiquidityFee (#750) is set pre-construction with a non-constant function or state variable:
- _liquidityFee
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.
Additional information: link
Pragma version>=0.6.2 (#374) allows old versions
Pragma version>=0.6.2 (#537) allows old versions
Pragma version>=0.5.0 (#586) allows old versions
Pragma version>=0.5.0 (#620) allows old versions
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.
Additional information: link
Function IPancakeRouter01.WETH() (#379) is not in mixedCase
Function IPancakeFactory.INIT_CODE_PAIR_HASH() (#617) is not in mixedCase
Function IPancakePair.DOMAIN_SEPARATOR() (#655) is not in mixedCase
Function IPancakePair.PERMIT_TYPEHASH() (#657) is not in mixedCase
Function IPancakePair.MINIMUM_LIQUIDITY() (#688) is not in mixedCase
Constant UmbrellaLunar._tTotal (#744) is not in UPPER_CASE_WITH_UNDERSCORES
Variable UmbrellaLunar._taxFee (#747) is not in mixedCase
Variable UmbrellaLunar._liquidityFee (#748) is not in mixedCase
Variable UmbrellaLunar._previousTaxFee (#749) is not in mixedCase
Variable UmbrellaLunar._previousLiquidityFee (#750) is not in mixedCase
Variable UmbrellaLunar._maxTxAmount (#751) is not in mixedCase
Variable UmbrellaLunar._numTokensSellToAddToLiquidity (#752) is not in mixedCase
Variable UmbrellaLunar._maxWalletToken (#753) is not in mixedCase
Variable UmbrellaLunar._start_timestamp (#761) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (#131)" inContext (#121-134)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Variable IPancakeRouter01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#384) is too similar to IPancakeRouter01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#385)
Variable UmbrellaLunar._transferStandard(address,address,uint256).rTransferAmount (#1040) is too similar to UmbrellaLunar._getTValues(uint256).tTransferAmount (#1113)
Variable UmbrellaLunar._transferStandard(address,address,uint256).rTransferAmount (#1040) is too similar to UmbrellaLunar._transferStandard(address,address,uint256).tTransferAmount (#1042)
Variable UmbrellaLunar.reflectionFromToken(uint256,bool).rTransferAmount (#928) is too similar to UmbrellaLunar._getValues(uint256).tTransferAmount (#1070)
Variable UmbrellaLunar.reflectionFromToken(uint256,bool).rTransferAmount (#928) is too similar to UmbrellaLunar._getTValues(uint256).tTransferAmount (#1113)
Variable UmbrellaLunar._getValues(uint256).rTransferAmount (#1072) is too similar to UmbrellaLunar._transferStandard(address,address,uint256).tTransferAmount (#1042)
Variable UmbrellaLunar.reflectionFromToken(uint256,bool).rTransferAmount (#928) is too similar to UmbrellaLunar._transferStandard(address,address,uint256).tTransferAmount (#1042)
Variable UmbrellaLunar._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#1134) is too similar to UmbrellaLunar._getValues(uint256).tTransferAmount (#1070)
Variable UmbrellaLunar._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#1134) is too similar to UmbrellaLunar._getTValues(uint256).tTransferAmount (#1113)
Variable UmbrellaLunar._transferStandard(address,address,uint256).rTransferAmount (#1040) is too similar to UmbrellaLunar._getValues(uint256).tTransferAmount (#1070)
Variable UmbrellaLunar._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#1134) is too similar to UmbrellaLunar._transferStandard(address,address,uint256).tTransferAmount (#1042)
Variable UmbrellaLunar._getValues(uint256).rTransferAmount (#1072) is too similar to UmbrellaLunar._getValues(uint256).tTransferAmount (#1070)
Variable UmbrellaLunar._getValues(uint256).rTransferAmount (#1072) is too similar to UmbrellaLunar._getTValues(uint256).tTransferAmount (#1113)
Prevent variables from having similar names.
Additional information: link
UmbrellaLunar._decimals (#760) should be constant
UmbrellaLunar._maxTxAmount (#751) should be constant
UmbrellaLunar._maxWalletToken (#753) should be constant
UmbrellaLunar._name (#758) should be constant
UmbrellaLunar._numTokensSellToAddToLiquidity (#752) should be constant
UmbrellaLunar._symbol (#759) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#348-351)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#357-359)
name() should be declared external:
- UmbrellaLunar.name() (#793-795)
symbol() should be declared external:
- UmbrellaLunar.symbol() (#797-799)
decimals() should be declared external:
- UmbrellaLunar.decimals() (#801-803)
totalSupply() should be declared external:
- UmbrellaLunar.totalSupply() (#805-807)
transfer(address,uint256) should be declared external:
- UmbrellaLunar.transfer(address,uint256) (#813-820)
allowance(address,address) should be declared external:
- UmbrellaLunar.allowance(address,address) (#822-829)
approve(address,uint256) should be declared external:
- UmbrellaLunar.approve(address,uint256) (#831-838)
excludeFromFee(address) should be declared external:
- UmbrellaLunar.excludeFromFee(address) (#848-850)
includeInFee(address) should be declared external:
- UmbrellaLunar.includeInFee(address) (#852-854)
isExcludedFromFee(address) should be declared external:
- UmbrellaLunar.isExcludedFromFee(address) (#856-858)
transferFrom(address,address,uint256) should be declared external:
- UmbrellaLunar.transferFrom(address,address,uint256) (#860-875)
increaseAllowance(address,uint256) should be declared external:
- UmbrellaLunar.increaseAllowance(address,uint256) (#877-888)
decreaseAllowance(address,uint256) should be declared external:
- UmbrellaLunar.decreaseAllowance(address,uint256) (#890-904)
totalFees() should be declared external:
- UmbrellaLunar.totalFees() (#906-908)
reflect(uint256) should be declared external:
- UmbrellaLunar.reflect(uint256) (#910-916)
reflectionFromToken(uint256,bool) should be declared external:
- UmbrellaLunar.reflectionFromToken(uint256,bool) (#918-931)
Use the external attribute for functions never called from the contract.
Additional information: link
Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive. Ignore for presale.
Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.
Token is deployed only at one blockchain
Token has only one trading pair
Unable to find PancakeSwap trading pair to compute liquidity.
Unable to find PancakeSwap trading pair to compute volume.
Unable to find PancakeSwap trading pair to compute number of swaps.
BscScan page for the token does not contain additional info: website, socials, description, etc.
Additional information: link
Unable to find token on CoinGecko
Additional information: link
Unable to find token on CoinMarketCap
Additional information: link
Unable to find token/project description on the website or on BscScan, CoinMarketCap
Unable to find token contract audit
Unable to verify that token and website are owned by the same team (no listings + unable to find contract on website)
Unable to verify token contract address on the website
Unable to find audit link on the website
Unable to find whitepaper link on the website
Unable to find Telegram link on the website
Unable to find Twitter link on the website
Unable to find token on CoinHunt
Additional information: link
Unable to find code repository for the project
Young tokens have high risks of price dump / death
Token has no active CoinGecko listing / rank
Token has no active CoinMarketCap listing / rank
Young tokens have high risks of price dump / death
Young tokens have high risks of price dump / death
Twitter account has less than 100 followers
Telegram account has relatively few subscribers
Last post in Twitter was more than 30 days ago
Unable to find Youtube account
Unable to find Discord account
Twitter account has few posts