fren Token

Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)

Reentrancy in frenBSC._transfer(address,address,uint256) (#239-288):
External calls:
- swapTokensForEth(contractTokenBalance) (#279)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#295-301)
External calls sending eth:
- sendETHToFee(address(this).balance) (#282)
- _feeAddrWallet1.transfer(amount.div(2)) (#305)
- _feeAddrWallet2.transfer(amount.div(2)) (#306)
State variables written after the call(s):
- _tokenTransfer(from,to,amount) (#287)
- _rOwned[address(this)] = _rOwned[address(this)].add(rTeam) (#356)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#346)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#347)
- _tokenTransfer(from,to,amount) (#287)
- _rTotal = _rTotal.sub(rFee) (#364)
Apply the check-effects-interactions pattern.

Additional information: link

Contract ownership is not renounced (belongs to a wallet)

frenBSC.allowance(address,address).owner (#203) shadows:
- Ownable.owner() (#78-80) (function)
frenBSC._approve(address,address,uint256).owner (#232) shadows:
- Ownable.owner() (#78-80) (function)
Rename the local variables that shadow another component.

Additional information: link

frenBSC.setMaxTx(uint256) (#222-224) should emit an event for:
- _maxTxAmount = maxTransactionAmount (#223)
frenBSC.updateMaxTx(uint256) (#359-361) should emit an event for:
- _maxTxAmount = fee (#360)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in frenBSC._transfer(address,address,uint256) (#239-288):
External calls:
- swapTokensForEth(contractTokenBalance) (#279)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#295-301)
External calls sending eth:
- sendETHToFee(address(this).balance) (#282)
- _feeAddrWallet1.transfer(amount.div(2)) (#305)
- _feeAddrWallet2.transfer(amount.div(2)) (#306)
State variables written after the call(s):
- _tokenTransfer(from,to,amount) (#287)
- _tFeeTotal = _tFeeTotal.add(tFee) (#365)
Reentrancy in frenBSC.openTrading() (#309-324):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#312-313)
State variables written after the call(s):
- _isExcludedFromFee[owner()] = true (#317)
- _isExcludedFromFee[address(this)] = true (#318)
- _maxTxAmount = 20000000000 * 10 ** 9 (#322)
- cooldownEnabled = true (#321)
- swapEnabled = true (#320)
- uniswapV2Router = _uniswapV2Router (#315)
Reentrancy in frenBSC.transferFrom(address,address,uint256) (#212-216):
External calls:
- _transfer(sender,recipient,amount) (#213)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#295-301)
External calls sending eth:
- _transfer(sender,recipient,amount) (#213)
- _feeAddrWallet1.transfer(amount.div(2)) (#305)
- _feeAddrWallet2.transfer(amount.div(2)) (#306)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#214)
- _allowances[owner][spender] = amount (#235)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in frenBSC._transfer(address,address,uint256) (#239-288):
External calls:
- swapTokensForEth(contractTokenBalance) (#279)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#295-301)
External calls sending eth:
- sendETHToFee(address(this).balance) (#282)
- _feeAddrWallet1.transfer(amount.div(2)) (#305)
- _feeAddrWallet2.transfer(amount.div(2)) (#306)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#350)
- _tokenTransfer(from,to,amount) (#287)
Reentrancy in frenBSC.transferFrom(address,address,uint256) (#212-216):
External calls:
- _transfer(sender,recipient,amount) (#213)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#295-301)
External calls sending eth:
- _transfer(sender,recipient,amount) (#213)
- _feeAddrWallet1.transfer(amount.div(2)) (#305)
- _feeAddrWallet2.transfer(amount.div(2)) (#306)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#236)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#214)
Apply the check-effects-interactions pattern.

Additional information: link

frenBSC._transfer(address,address,uint256) (#239-288) uses timestamp for comparisons
Dangerous comparisons:
- _buyMap[from] != 0 && (_buyMap[from] + (86400) >= block.timestamp) (#246-247)
- require(bool)(cooldown[to] < block.timestamp) (#272)
Avoid relying on block.timestamp.

Additional information: link

Function IUniswapV2Router02.WETH() (#107) is not in mixedCase
Contract frenBSC (#118-422) is not in CapWords
Constant frenBSC._tTotal (#128) is not in UPPER_CASE_WITH_UNDERSCORES
Constant frenBSC._name (#137) is not in UPPER_CASE_WITH_UNDERSCORES
Constant frenBSC._symbol (#138) is not in UPPER_CASE_WITH_UNDERSCORES
Constant frenBSC._decimals (#139) is not in UPPER_CASE_WITH_UNDERSCORES
Follow the Solidity naming convention.

Additional information: link

Reentrancy in frenBSC._transfer(address,address,uint256) (#239-288):
External calls:
- sendETHToFee(address(this).balance) (#282)
- _feeAddrWallet1.transfer(amount.div(2)) (#305)
- _feeAddrWallet2.transfer(amount.div(2)) (#306)
State variables written after the call(s):
- _tokenTransfer(from,to,amount) (#287)
- _rOwned[address(this)] = _rOwned[address(this)].add(rTeam) (#356)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#346)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#347)
- _tokenTransfer(from,to,amount) (#287)
- _rTotal = _rTotal.sub(rFee) (#364)
- _tokenTransfer(from,to,amount) (#287)
- _tFeeTotal = _tFeeTotal.add(tFee) (#365)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#350)
- _tokenTransfer(from,to,amount) (#287)
Reentrancy in frenBSC.transferFrom(address,address,uint256) (#212-216):
External calls:
- _transfer(sender,recipient,amount) (#213)
- _feeAddrWallet1.transfer(amount.div(2)) (#305)
- _feeAddrWallet2.transfer(amount.div(2)) (#306)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#214)
- _allowances[owner][spender] = amount (#235)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#236)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#214)
Apply the check-effects-interactions pattern.

Additional information: link

Variable frenBSC._feeAddrWallet1 (#134) is too similar to frenBSC._feeAddrWallet2 (#135)
Variable frenBSC._getValues(uint256).rTransferAmount (#386) is too similar to frenBSC._getValues(uint256).tTransferAmount (#384)
Variable frenBSC._getValues(uint256).rTransferAmount (#386) is too similar to frenBSC._getTValues(uint256,uint256,uint256).tTransferAmount (#393)
Variable frenBSC._getValues(uint256).rTransferAmount (#386) is too similar to frenBSC._transferStandard(address,address,uint256).tTransferAmount (#345)
Variable frenBSC._transferStandard(address,address,uint256).rTransferAmount (#345) is too similar to frenBSC._transferStandard(address,address,uint256).tTransferAmount (#345)
Variable frenBSC._transferStandard(address,address,uint256).rTransferAmount (#345) is too similar to frenBSC._getValues(uint256).tTransferAmount (#384)
Variable frenBSC._transferStandard(address,address,uint256).rTransferAmount (#345) is too similar to frenBSC._getTValues(uint256,uint256,uint256).tTransferAmount (#393)
Variable frenBSC._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#401) is too similar to frenBSC._transferStandard(address,address,uint256).tTransferAmount (#345)
Variable frenBSC._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#401) is too similar to frenBSC._getValues(uint256).tTransferAmount (#384)
Variable frenBSC._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#401) is too similar to frenBSC._getTValues(uint256,uint256,uint256).tTransferAmount (#393)
Prevent variables from having similar names.

Additional information: link

frenBSC.constructor() (#154-164) uses literals with too many digits:
- Transfer(address(0x0000000000000000000000000000000000000000),_msgSender(),_tTotal) (#163)
frenBSC.openTrading() (#309-324) uses literals with too many digits:
- _maxTxAmount = 20000000000 * 10 ** 9 (#322)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Ownable._previousOwner (#69) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#87-90)
name() should be declared external:
- frenBSC.name() (#174-176)
symbol() should be declared external:
- frenBSC.symbol() (#178-180)
decimals() should be declared external:
- frenBSC.decimals() (#182-184)
totalSupply() should be declared external:
- frenBSC.totalSupply() (#186-188)
originalPurchase(address) should be declared external:
- frenBSC.originalPurchase(address) (#190-192)
transfer(address,uint256) should be declared external:
- frenBSC.transfer(address,uint256) (#198-201)
allowance(address,address) should be declared external:
- frenBSC.allowance(address,address) (#203-205)
approve(address,uint256) should be declared external:
- frenBSC.approve(address,uint256) (#207-210)
transferFrom(address,address,uint256) should be declared external:
- frenBSC.transferFrom(address,address,uint256) (#212-216)
setBots(address[]) should be declared external:
- frenBSC.setBots(address[]) (#326-330)
removeStrictTxLimit() should be declared external:
- frenBSC.removeStrictTxLimit() (#332-334)
delBot(address) should be declared external:
- frenBSC.delBot(address) (#336-338)
updateMaxTx(uint256) should be declared external:
- frenBSC.updateMaxTx(uint256) (#359-361)
Use the external attribute for functions never called from the contract.

Additional information: link

Reentrancy in frenBSC.openTrading() (#309-324):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#312-313)
State variables written after the call(s):
- tradingOpen = true (#323)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable._previousOwner (#69) is never used in frenBSC (#118-422)
frenBSC._tOwned (#121) is never used in frenBSC (#118-422)
Remove unused state variables.

Additional information: link

Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.

Average 30d PancakeSwap volume is less than $100. Token is either dead or inactive.

Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.

Contract has 10% buy tax and 100% sell tax.
Taxes are extremely high (over 30%)

Additional information: link

Average 30d number of PancakeSwap swaps is low.

Number of Binance Smart Chain (BSC) token holders is low.

BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link

Unable to find token contract audit

Unable to find audit link on the website

Unable to find token on CoinHunt

Additional information: link

Unable to find code repository for the project

Token is marked as scam (rug pull, honeypot, phishing, etc.)

Additional information: link

Young tokens have high risks of price dump / death

Young tokens have high risks of price dump / death

Young tokens have high risks of price dump / death

Token has relatively low CoinMarketCap rank

Token has relatively low CoinGecko rank