Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Reentrancy in forever._transfer(address,address,uint256) (#700-740):
External calls:
- swapAndLiquify(contractTokenBalance) (#729)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#766-772)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#729)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#739)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#656)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#812)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#821)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#572)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#813)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#832)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#823)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#833)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#574)
- _tokenTransfer(from,to,amount,takeFee) (#739)
- _rTotal = _rTotal.sub(rFee) (#611)
- _tokenTransfer(from,to,amount,takeFee) (#739)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#658)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#831)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#571)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#822)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#573)
Apply the check-effects-interactions pattern.
Additional information: link
Contract ticker ($Grimacezilla) contains non-alphanumeric characters.
Not a direct threat, but may indicate unreliable intentions of developer. Non-alphanumeric chars (,.;!#*&") are extremely rare among low risk tokens.
Address._functionCallWithValue(address,bytes,uint256,string) (#122-139) is never used and should be removed
Address.functionCall(address,bytes) (#105-107) is never used and should be removed
Address.functionCall(address,bytes,string) (#109-111) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#113-115) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#117-120) is never used and should be removed
Address.isContract(address) (#91-96) is never used and should be removed
Address.sendValue(address,uint256) (#98-103) is never used and should be removed
Context._msgData() (#83-86) is never used and should be removed
SafeMath.mod(uint256,uint256) (#69-71) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#72-75) is never used and should be removed
Remove unused functions.
Additional information: link
forever._rTotal (#410) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
forever._previousTaxFee (#418) is set pre-construction with a non-constant function or state variable:
- _taxFee
forever._previousliquidityFee (#420) 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
Low level call in Address.sendValue(address,uint256) (#98-103):
- (success) = recipient.call{value: amount}() (#101)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#122-139):
- (success,returndata) = target.call{value: weiValue}(data) (#125)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#226) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#227) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#244) is not in mixedCase
Function IUniswapV2Router01.WETH() (#264) is not in mixedCase
Contract forever (#397-839) is not in CapWords
Parameter forever.setSwapAndLiquifyEnabled(bool)._enabled (#602) is not in mixedCase
Parameter forever.calculateTaxFee(uint256)._amount (#661) is not in mixedCase
Parameter forever.calculateliquidityFee(uint256)._amount (#667) is not in mixedCase
Variable forever._liquidityFee (#419) is not in mixedCase
Variable forever._maxTxAmount (#428) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (#84)" inContext (#78-87)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#269) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#270)
Variable forever._transferBothExcluded(address,address,uint256).rTransferAmount (#570) is too similar to forever._transferStandard(address,address,uint256).tTransferAmount (#811)
Variable forever._getValues(uint256).rTransferAmount (#617) is too similar to forever._transferStandard(address,address,uint256).tTransferAmount (#811)
Variable forever._transferBothExcluded(address,address,uint256).rTransferAmount (#570) is too similar to forever._transferBothExcluded(address,address,uint256).tTransferAmount (#570)
Variable forever._getValues(uint256).rTransferAmount (#617) is too similar to forever._transferBothExcluded(address,address,uint256).tTransferAmount (#570)
Variable forever._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#632) is too similar to forever._transferToExcluded(address,address,uint256).tTransferAmount (#820)
Variable forever._transferBothExcluded(address,address,uint256).rTransferAmount (#570) is too similar to forever._getValues(uint256).tTransferAmount (#616)
Variable forever._getValues(uint256).rTransferAmount (#617) is too similar to forever._getValues(uint256).tTransferAmount (#616)
Variable forever._transferToExcluded(address,address,uint256).rTransferAmount (#820) is too similar to forever._transferToExcluded(address,address,uint256).tTransferAmount (#820)
Variable forever._transferFromExcluded(address,address,uint256).rTransferAmount (#830) is too similar to forever._transferStandard(address,address,uint256).tTransferAmount (#811)
Variable forever._getValues(uint256).rTransferAmount (#617) is too similar to forever._getTValues(uint256).tTransferAmount (#624)
Variable forever._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#632) is too similar to forever._transferStandard(address,address,uint256).tTransferAmount (#811)
Variable forever._transferFromExcluded(address,address,uint256).rTransferAmount (#830) is too similar to forever._getValues(uint256).tTransferAmount (#616)
Variable forever._transferBothExcluded(address,address,uint256).rTransferAmount (#570) is too similar to forever._transferFromExcluded(address,address,uint256).tTransferAmount (#830)
Variable forever._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#632) is too similar to forever._getValues(uint256).tTransferAmount (#616)
Variable forever._getValues(uint256).rTransferAmount (#617) is too similar to forever._transferFromExcluded(address,address,uint256).tTransferAmount (#830)
Variable forever._transferToExcluded(address,address,uint256).rTransferAmount (#820) is too similar to forever._transferStandard(address,address,uint256).tTransferAmount (#811)
Variable forever._transferToExcluded(address,address,uint256).rTransferAmount (#820) is too similar to forever._getValues(uint256).tTransferAmount (#616)
Variable forever._transferFromExcluded(address,address,uint256).rTransferAmount (#830) is too similar to forever._transferFromExcluded(address,address,uint256).tTransferAmount (#830)
Variable forever._transferStandard(address,address,uint256).rTransferAmount (#811) is too similar to forever._transferStandard(address,address,uint256).tTransferAmount (#811)
Variable forever._transferStandard(address,address,uint256).rTransferAmount (#811) is too similar to forever._getValues(uint256).tTransferAmount (#616)
Variable forever.reflectionFromToken(uint256,bool).rTransferAmount (#535) is too similar to forever._transferStandard(address,address,uint256).tTransferAmount (#811)
Variable forever._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#632) is too similar to forever._transferFromExcluded(address,address,uint256).tTransferAmount (#830)
Variable forever._transferBothExcluded(address,address,uint256).rTransferAmount (#570) is too similar to forever._transferToExcluded(address,address,uint256).tTransferAmount (#820)
Variable forever._getValues(uint256).rTransferAmount (#617) is too similar to forever._transferToExcluded(address,address,uint256).tTransferAmount (#820)
Variable forever.reflectionFromToken(uint256,bool).rTransferAmount (#535) is too similar to forever._getValues(uint256).tTransferAmount (#616)
Variable forever._transferToExcluded(address,address,uint256).rTransferAmount (#820) is too similar to forever._transferFromExcluded(address,address,uint256).tTransferAmount (#830)
Variable forever._transferFromExcluded(address,address,uint256).rTransferAmount (#830) is too similar to forever._transferToExcluded(address,address,uint256).tTransferAmount (#820)
Variable forever._transferStandard(address,address,uint256).rTransferAmount (#811) is too similar to forever._transferBothExcluded(address,address,uint256).tTransferAmount (#570)
Variable forever._transferFromExcluded(address,address,uint256).rTransferAmount (#830) is too similar to forever._getTValues(uint256).tTransferAmount (#624)
Variable forever.reflectionFromToken(uint256,bool).rTransferAmount (#535) is too similar to forever._transferFromExcluded(address,address,uint256).tTransferAmount (#830)
Variable forever.reflectionFromToken(uint256,bool).rTransferAmount (#535) is too similar to forever._transferToExcluded(address,address,uint256).tTransferAmount (#820)
Variable forever._transferStandard(address,address,uint256).rTransferAmount (#811) is too similar to forever._transferFromExcluded(address,address,uint256).tTransferAmount (#830)
Variable forever._transferToExcluded(address,address,uint256).rTransferAmount (#820) is too similar to forever._getTValues(uint256).tTransferAmount (#624)
Variable forever._transferFromExcluded(address,address,uint256).rTransferAmount (#830) is too similar to forever._transferBothExcluded(address,address,uint256).tTransferAmount (#570)
Variable forever._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#632) is too similar to forever._getTValues(uint256).tTransferAmount (#624)
Variable forever.reflectionFromToken(uint256,bool).rTransferAmount (#535) is too similar to forever._getTValues(uint256).tTransferAmount (#624)
Variable forever._transferStandard(address,address,uint256).rTransferAmount (#811) is too similar to forever._transferToExcluded(address,address,uint256).tTransferAmount (#820)
Variable forever._transferBothExcluded(address,address,uint256).rTransferAmount (#570) is too similar to forever._getTValues(uint256).tTransferAmount (#624)
Variable forever._transferStandard(address,address,uint256).rTransferAmount (#811) is too similar to forever._getTValues(uint256).tTransferAmount (#624)
Variable forever.reflectionFromToken(uint256,bool).rTransferAmount (#535) is too similar to forever._transferBothExcluded(address,address,uint256).tTransferAmount (#570)
Variable forever._transferToExcluded(address,address,uint256).rTransferAmount (#820) is too similar to forever._transferBothExcluded(address,address,uint256).tTransferAmount (#570)
Variable forever._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#632) is too similar to forever._transferBothExcluded(address,address,uint256).tTransferAmount (#570)
Prevent variables from having similar names.
Additional information: link
forever.slitherConstructorVariables() (#397-839) uses literals with too many digits:
- _maxTxAmount = 500000 * 10 ** 9 * 10 ** 9 (#428)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
forever._decimals (#415) should be constant
forever._name (#413) should be constant
forever._symbol (#414) should be constant
forever._tTotal (#409) should be constant
forever.numTokensSellToAddToLiquidity (#429) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#164-167)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#169-173)
geUnlockTime() should be declared external:
- Ownable.geUnlockTime() (#175-177)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#180-185)
unlock() should be declared external:
- Ownable.unlock() (#187-192)
name() should be declared external:
- forever.name() (#461-463)
symbol() should be declared external:
- forever.symbol() (#465-467)
decimals() should be declared external:
- forever.decimals() (#469-471)
totalSupply() should be declared external:
- forever.totalSupply() (#473-475)
transfer(address,uint256) should be declared external:
- forever.transfer(address,uint256) (#482-485)
allowance(address,address) should be declared external:
- forever.allowance(address,address) (#487-489)
approve(address,uint256) should be declared external:
- forever.approve(address,uint256) (#491-494)
transferFrom(address,address,uint256) should be declared external:
- forever.transferFrom(address,address,uint256) (#496-500)
increaseAllowance(address,uint256) should be declared external:
- forever.increaseAllowance(address,uint256) (#502-505)
decreaseAllowance(address,uint256) should be declared external:
- forever.decreaseAllowance(address,uint256) (#507-510)
isExcludedFromReward(address) should be declared external:
- forever.isExcludedFromReward(address) (#512-514)
totalFees() should be declared external:
- forever.totalFees() (#516-518)
deliver(uint256) should be declared external:
- forever.deliver(uint256) (#520-527)
reflectionFromToken(uint256,bool) should be declared external:
- forever.reflectionFromToken(uint256,bool) (#529-538)
excludeFromReward(address) should be declared external:
- forever.excludeFromReward(address) (#546-554)
excludeFromFee(address) should be declared external:
- forever.excludeFromFee(address) (#580-582)
includeInFee(address) should be declared external:
- forever.includeInFee(address) (#584-586)
setSwapAndLiquifyEnabled(bool) should be declared external:
- forever.setSwapAndLiquifyEnabled(bool) (#602-605)
isExcludedFromFee(address) should be declared external:
- forever.isExcludedFromFee(address) (#688-690)
Use the external attribute for functions never called from the contract.
Additional information: link
forever._transfer(address,address,uint256) (#700-740) uses tx.origin for authorization: require(bool)(tx.origin == to || tx.origin == owner()) (#708)
Do not use tx.origin for authorization.
Additional information: link
forever.addLiquidity(uint256,uint256) (#775-787) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
Ensure that all the return values of the function calls are used.
Additional information: link
forever.allowance(address,address).owner (#487) shadows:
- Ownable.owner() (#155-157) (function)
forever._approve(address,address,uint256).owner (#692) shadows:
- Ownable.owner() (#155-157) (function)
Rename the local variables that shadow another component.
Additional information: link
forever.setTaxFeePercent(uint256) (#588-590) should emit an event for:
- _taxFee = taxFee (#589)
forever.setliquidityFeePercent(uint256) (#592-594) should emit an event for:
- _liquidityFee = liquidityFee (#593)
forever.setMaxTxPercent(uint256) (#596-600) should emit an event for:
- _maxTxAmount = _tTotal.mul(maxTxPercent).div(10 ** 2) (#597-599)
Emit an event for critical parameter changes.
Additional information: link
Reentrancy in forever._transfer(address,address,uint256) (#700-740):
External calls:
- swapAndLiquify(contractTokenBalance) (#729)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#766-772)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#729)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#739)
- _liquidityFee = _previousliquidityFee (#685)
- _liquidityFee = 0 (#680)
- _tokenTransfer(from,to,amount,takeFee) (#739)
- _previousTaxFee = _taxFee (#676)
- _tokenTransfer(from,to,amount,takeFee) (#739)
- _previousliquidityFee = _liquidityFee (#677)
- _tokenTransfer(from,to,amount,takeFee) (#739)
- _tFeeTotal = _tFeeTotal.add(tFee) (#612)
- _tokenTransfer(from,to,amount,takeFee) (#739)
- _taxFee = _previousTaxFee (#684)
- _taxFee = 0 (#679)
Reentrancy in forever.constructor() (#445-459):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#450-451)
State variables written after the call(s):
- _isExcludedFromFee[owner()] = true (#455)
- _isExcludedFromFee[address(this)] = true (#456)
- uniswapV2Router = _uniswapV2Router (#453)
Reentrancy in forever.swapAndLiquify(uint256) (#742-757):
External calls:
- swapTokensForEth(half) (#748)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#766-772)
- addLiquidity(otherHalf,newBalance) (#754)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#754)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#754)
- _allowances[owner][spender] = amount (#696)
Reentrancy in forever.transferFrom(address,address,uint256) (#496-500):
External calls:
- _transfer(sender,recipient,amount) (#497)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#766-772)
External calls sending eth:
- _transfer(sender,recipient,amount) (#497)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#498)
- _allowances[owner][spender] = amount (#696)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in forever._transfer(address,address,uint256) (#700-740):
External calls:
- swapAndLiquify(contractTokenBalance) (#729)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#766-772)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#729)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#816)
- _tokenTransfer(from,to,amount,takeFee) (#739)
- Transfer(sender,recipient,tTransferAmount) (#826)
- _tokenTransfer(from,to,amount,takeFee) (#739)
- Transfer(sender,recipient,tTransferAmount) (#836)
- _tokenTransfer(from,to,amount,takeFee) (#739)
- Transfer(sender,recipient,tTransferAmount) (#577)
- _tokenTransfer(from,to,amount,takeFee) (#739)
Reentrancy in forever.constructor() (#445-459):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#450-451)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_tTotal) (#458)
Reentrancy in forever.swapAndLiquify(uint256) (#742-757):
External calls:
- swapTokensForEth(half) (#748)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#766-772)
- addLiquidity(otherHalf,newBalance) (#754)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#754)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#697)
- addLiquidity(otherHalf,newBalance) (#754)
- SwapAndLiquify(half,newBalance,otherHalf) (#756)
Reentrancy in forever.transferFrom(address,address,uint256) (#496-500):
External calls:
- _transfer(sender,recipient,amount) (#497)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#766-772)
External calls sending eth:
- _transfer(sender,recipient,amount) (#497)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#779-786)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#697)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#498)
Apply the check-effects-interactions pattern.
Additional information: link
Ownable.unlock() (#187-192) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(now > _lockTime,Contract is locked until 7 days) (#189)
Avoid relying on block.timestamp.
Additional information: link
Address.isContract(address) (#91-96) uses assembly
- INLINE ASM (#94)
Address._functionCallWithValue(address,bytes,uint256,string) (#122-139) uses assembly
- INLINE ASM (#131-134)
Do not use evm assembly.
Additional information: link
forever.includeInReward(address) (#556-567) has costly operations inside a loop:
- _excluded.pop() (#563)
Use a local variable to hold the loop computation result.
Additional information: link
Unable to find website, listings and other project-related information
Young tokens have high risks of scam / price dump / death
Token has no active CoinGecko listing / rank
Token has no active CoinMarketCap listing / rank
Unable to find Telegram and Twitter accounts