F11 [First Eleven] Token

Reentrancy in F11._transfer(address,address,uint256) (#1004-1043):
External calls:
- swapAndLiquify(contractTokenBalance) (#1021)
- (succ) = address(marketing).call{value: Balance}() (#1051)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1065-1071)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1021)
- (succ) = address(marketing).call{value: Balance}() (#1051)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#943)
- _rOwned[address(0)] = _rOwned[address(0)].add(rLiquidity) (#953)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1101)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1111)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1102)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1123)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#877)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1113)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1124)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#879)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- _rTotal = _rTotal.sub(rFee) (#894)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#945)
- _tOwned[address(0)] = _tOwned[address(0)].add(tBurn) (#955)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#876)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1122)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1112)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#878)
Apply the check-effects-interactions pattern.

Additional information: link

F11._excluded (#677) is never initialized. It is used in:
- F11._getCurrentSupply() (#928-938)
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

Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains

F11.burn(address,uint256) (#850-872) contains a tautology or contradiction:
- _mTotal - value >= 0 (#853)
Fix the incorrect comparison by changing the value type or the comparison.

Additional information: link

Redundant expression "this (#236)" inContext (#230-239)
Remove redundant statements if they congest code but offer no value.

Additional information: link

F11.allowance(address,address).owner (#778) shadows:
- Ownable.owner() (#409-411) (function)
F11._approve(address,address,uint256).owner (#996) shadows:
- Ownable.owner() (#409-411) (function)
Rename the local variables that shadow another component.

Additional information: link

F11.setMinter(address)._minter (#889) lacks a zero-check on :
- minter = _minter (#890)
Check that the address is not zero.

Additional information: link

Reentrancy in F11._transfer(address,address,uint256) (#1004-1043):
External calls:
- swapAndLiquify(contractTokenBalance) (#1021)
- (succ) = address(marketing).call{value: Balance}() (#1051)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1065-1071)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1021)
- (succ) = address(marketing).call{value: Balance}() (#1051)
State variables written after the call(s):
- _liquidityFee = _buyFees (#1035)
- _liquidityFee = _sellFees (#1039)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- _liquidityFee = _previousLiquidityFee (#989)
- _liquidityFee = 0 (#984)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- _previousLiquidityFee = _liquidityFee (#981)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- _previousTaxFee = _taxFee (#980)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- _tFeeTotal = _tFeeTotal.add(tFee) (#895)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- _taxFee = _previousTaxFee (#988)
- _taxFee = 0 (#983)
Reentrancy in F11.constructor() (#728-750):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#732-733)
State variables written after the call(s):
- _isExcluded[uniswapV2Pair] = true (#742)
- _isExcludedBal[uniswapV2Pair] = true (#744)
- _isExcludedBal[owner()] = true (#745)
- _isExcludedBal[address(this)] = true (#746)
- _isExcludedBal[address(0)] = true (#747)
- _isExcludedFromFee[owner()] = true (#739)
- _isExcludedFromFee[address(this)] = true (#740)
- uniswapV2Router = _uniswapV2Router (#736)
Reentrancy in F11.transferFrom(address,address,uint256) (#787-791):
External calls:
- _transfer(sender,recipient,amount) (#788)
- (succ) = address(marketing).call{value: Balance}() (#1051)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1065-1071)
External calls sending eth:
- _transfer(sender,recipient,amount) (#788)
- (succ) = address(marketing).call{value: Balance}() (#1051)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#789)
- _allowances[owner][spender] = amount (#1000)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in F11._transfer(address,address,uint256) (#1004-1043):
External calls:
- swapAndLiquify(contractTokenBalance) (#1021)
- (succ) = address(marketing).call{value: Balance}() (#1051)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1065-1071)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1021)
- (succ) = address(marketing).call{value: Balance}() (#1051)
Event emitted after the call(s):
- Transfer(sender,address(this),tLiquidity) (#946)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- Transfer(sender,address(0),tBurn) (#956)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- Transfer(sender,recipient,tTransferAmount) (#1106)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- Transfer(sender,recipient,tTransferAmount) (#1117)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- Transfer(sender,recipient,tTransferAmount) (#1128)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
- Transfer(sender,recipient,tTransferAmount) (#883)
- _tokenTransfer(from,to,amount,takeFee) (#1042)
Reentrancy in F11.swapAndLiquify(uint256) (#1045-1054):
External calls:
- swapTokensForEth(contractTokenBalance) (#1046)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1065-1071)
- (succ) = address(marketing).call{value: Balance}() (#1051)
External calls sending eth:
- (succ) = address(marketing).call{value: Balance}() (#1051)
Event emitted after the call(s):
- SwapAndLiquify(contractTokenBalance,Balance) (#1053)
Reentrancy in F11.transferFrom(address,address,uint256) (#787-791):
External calls:
- _transfer(sender,recipient,amount) (#788)
- (succ) = address(marketing).call{value: Balance}() (#1051)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1065-1071)
External calls sending eth:
- _transfer(sender,recipient,amount) (#788)
- (succ) = address(marketing).call{value: Balance}() (#1051)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1001)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#789)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable.unlock() (#456-461) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _lockTime,Contract is locked until 7 days) (#458)
Avoid relying on block.timestamp.

Additional information: link

Address.isContract(address) (#262-271) uses assembly
- INLINE ASM (#269)
Address._functionCallWithValue(address,bytes,uint256,string) (#355-376) uses assembly
- INLINE ASM (#368-371)
Do not use evm assembly.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#355-376) is never used and should be removed
Address.functionCall(address,bytes) (#315-317) is never used and should be removed
Address.functionCall(address,bytes,string) (#325-327) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#340-342) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#350-353) is never used and should be removed
Address.isContract(address) (#262-271) is never used and should be removed
Address.sendValue(address,uint256) (#289-295) is never used and should be removed
Context._msgData() (#235-238) is never used and should be removed
SafeMath.mod(uint256,uint256) (#208-210) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#224-227) is never used and should be removed
Remove unused functions.

Additional information: link

F11._rTotal (#683) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
F11._previousBurnFee (#692) is set pre-construction with a non-constant function or state variable:
- _burnFee
F11._previousTaxFee (#695) is set pre-construction with a non-constant function or state variable:
- _taxFee
F11._previousLiquidityFee (#698) is set pre-construction with a non-constant function or state variable:
- _liquidityFee
F11._maxBalAmount (#712) is set pre-construction with a non-constant function or state variable:
- _tTotal
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^0.8.0 (#3) allows old versions
solc-0.8.10 is not recommended for deployment
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

Low level call in Address.sendValue(address,uint256) (#289-295):
- (success) = recipient.call{value: amount}() (#293)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#355-376):
- (success,returndata) = target.call{value: weiValue}(data) (#359)
Low level call in F11.swapAndLiquify(uint256) (#1045-1054):
- (succ) = address(marketing).call{value: Balance}() (#1051)
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() (#495) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#496) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#513) is not in mixedCase
Function IUniswapV2Router01.WETH() (#533) is not in mixedCase
Parameter F11.setMinter(address)._minter (#889) is not in mixedCase
Parameter F11.calculateTaxFee(uint256)._amount (#961) is not in mixedCase
Parameter F11.calculateBurnFee(uint256)._amount (#966) is not in mixedCase
Parameter F11.calculateLiquidityFee(uint256)._amount (#971) is not in mixedCase
Variable F11._isExcludedBal (#679) is not in mixedCase
Variable F11._mTotal (#685) is not in mixedCase
Variable F11._burnFee (#691) is not in mixedCase
Variable F11._taxFee (#694) is not in mixedCase
Variable F11._buyFees (#700) is not in mixedCase
Variable F11._sellFees (#701) is not in mixedCase
Variable F11._maxBalAmount (#712) is not in mixedCase
Variable F11._taxEnabled (#715) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#538) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#539)
Variable F11._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to F11._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable F11._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#919) is too similar to F11._getValues(uint256).tTransferAmount (#899)
Variable F11._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to F11._getValues(uint256).tTransferAmount (#899)
Variable F11.reflectionFromToken(uint256,bool).rTransferAmount (#817) is too similar to F11._getValues(uint256).tTransferAmount (#899)
Variable F11._transferFromExcluded(address,address,uint256).rTransferAmount (#1121) is too similar to F11._getValues(uint256).tTransferAmount (#899)
Variable F11._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#919) is too similar to F11._getTValues(uint256).tTransferAmount (#909)
Variable F11._transferBothExcluded(address,address,uint256).rTransferAmount (#875) is too similar to F11._getValues(uint256).tTransferAmount (#899)
Variable F11._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to F11._getTValues(uint256).tTransferAmount (#909)
Variable F11._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to F11._transferFromExcluded(address,address,uint256).tTransferAmount (#1121)
Variable F11._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to F11._transferToExcluded(address,address,uint256).tTransferAmount (#1110)
Variable F11.reflectionFromToken(uint256,bool).rTransferAmount (#817) is too similar to F11._getTValues(uint256).tTransferAmount (#909)
Variable F11._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#919) is too similar to F11._transferFromExcluded(address,address,uint256).tTransferAmount (#1121)
Variable F11._transferBothExcluded(address,address,uint256).rTransferAmount (#875) is too similar to F11._getTValues(uint256).tTransferAmount (#909)
Variable F11.reflectionFromToken(uint256,bool).rTransferAmount (#817) is too similar to F11._transferFromExcluded(address,address,uint256).tTransferAmount (#1121)
Variable F11._transferToExcluded(address,address,uint256).rTransferAmount (#1110) is too similar to F11._getValues(uint256).tTransferAmount (#899)
Variable F11._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#919) is too similar to F11._transferBothExcluded(address,address,uint256).tTransferAmount (#875)
Variable F11._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to F11._transferBothExcluded(address,address,uint256).tTransferAmount (#875)
Variable F11._transferBothExcluded(address,address,uint256).rTransferAmount (#875) is too similar to F11._transferFromExcluded(address,address,uint256).tTransferAmount (#1121)
Variable F11._transferFromExcluded(address,address,uint256).rTransferAmount (#1121) is too similar to F11._transferFromExcluded(address,address,uint256).tTransferAmount (#1121)
Variable F11._transferToExcluded(address,address,uint256).rTransferAmount (#1110) is too similar to F11._getTValues(uint256).tTransferAmount (#909)
Variable F11._transferBothExcluded(address,address,uint256).rTransferAmount (#875) is too similar to F11._transferBothExcluded(address,address,uint256).tTransferAmount (#875)
Variable F11._getValues(uint256).rTransferAmount (#900) is too similar to F11._getValues(uint256).tTransferAmount (#899)
Variable F11._transferToExcluded(address,address,uint256).rTransferAmount (#1110) is too similar to F11._transferFromExcluded(address,address,uint256).tTransferAmount (#1121)
Variable F11._transferToExcluded(address,address,uint256).rTransferAmount (#1110) is too similar to F11._transferToExcluded(address,address,uint256).tTransferAmount (#1110)
Variable F11._transferToExcluded(address,address,uint256).rTransferAmount (#1110) is too similar to F11._transferBothExcluded(address,address,uint256).tTransferAmount (#875)
Variable F11._getValues(uint256).rTransferAmount (#900) is too similar to F11._getTValues(uint256).tTransferAmount (#909)
Variable F11._getValues(uint256).rTransferAmount (#900) is too similar to F11._transferFromExcluded(address,address,uint256).tTransferAmount (#1121)
Variable F11._transferBothExcluded(address,address,uint256).rTransferAmount (#875) is too similar to F11._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable F11._transferFromExcluded(address,address,uint256).rTransferAmount (#1121) is too similar to F11._transferToExcluded(address,address,uint256).tTransferAmount (#1110)
Variable F11._getValues(uint256).rTransferAmount (#900) is too similar to F11._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable F11.reflectionFromToken(uint256,bool).rTransferAmount (#817) is too similar to F11._transferBothExcluded(address,address,uint256).tTransferAmount (#875)
Variable F11._transferBothExcluded(address,address,uint256).rTransferAmount (#875) is too similar to F11._transferToExcluded(address,address,uint256).tTransferAmount (#1110)
Variable F11._getValues(uint256).rTransferAmount (#900) is too similar to F11._transferToExcluded(address,address,uint256).tTransferAmount (#1110)
Variable F11.reflectionFromToken(uint256,bool).rTransferAmount (#817) is too similar to F11._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable F11.reflectionFromToken(uint256,bool).rTransferAmount (#817) is too similar to F11._transferToExcluded(address,address,uint256).tTransferAmount (#1110)
Variable F11._transferFromExcluded(address,address,uint256).rTransferAmount (#1121) is too similar to F11._getTValues(uint256).tTransferAmount (#909)
Variable F11._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#919) is too similar to F11._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable F11._transferFromExcluded(address,address,uint256).rTransferAmount (#1121) is too similar to F11._transferBothExcluded(address,address,uint256).tTransferAmount (#875)
Variable F11._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#919) is too similar to F11._transferToExcluded(address,address,uint256).tTransferAmount (#1110)
Variable F11._getValues(uint256).rTransferAmount (#900) is too similar to F11._transferBothExcluded(address,address,uint256).tTransferAmount (#875)
Variable F11._transferFromExcluded(address,address,uint256).rTransferAmount (#1121) is too similar to F11._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable F11._transferToExcluded(address,address,uint256).rTransferAmount (#1110) is too similar to F11._transferStandard(address,address,uint256).tTransferAmount (#1100)
Prevent variables from having similar names.

Additional information: link

F11.slitherConstructorVariables() (#666-1131) uses literals with too many digits:
- _tTotal = 1000000000 * 10 ** 6 * 10 ** 18 (#682)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

F11._previousBurnFee (#692) is never used in F11 (#666-1131)
Remove unused state variables.

Additional information: link

F11._burnFee (#691) should be constant
F11._buyFees (#700) should be constant
F11._decimals (#689) should be constant
F11._name (#687) should be constant
F11._sellFees (#701) should be constant
F11._symbol (#688) should be constant
F11._tTotal (#682) should be constant
F11._taxEnabled (#715) should be constant
F11.marketing (#703) should be constant
F11.numTokensSellToAddToLiquidity (#713) should be constant
F11.swapAndLiquifyEnabled (#710) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#428-431)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#437-441)
geUnlockTime() should be declared external:
- Ownable.geUnlockTime() (#443-445)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#448-453)
unlock() should be declared external:
- Ownable.unlock() (#456-461)
name() should be declared external:
- F11.name() (#752-754)
symbol() should be declared external:
- F11.symbol() (#756-758)
decimals() should be declared external:
- F11.decimals() (#760-762)
totalSupply() should be declared external:
- F11.totalSupply() (#764-766)
transfer(address,uint256) should be declared external:
- F11.transfer(address,uint256) (#773-776)
allowance(address,address) should be declared external:
- F11.allowance(address,address) (#778-780)
approve(address,uint256) should be declared external:
- F11.approve(address,uint256) (#782-785)
transferFrom(address,address,uint256) should be declared external:
- F11.transferFrom(address,address,uint256) (#787-791)
increaseAllowance(address,uint256) should be declared external:
- F11.increaseAllowance(address,uint256) (#793-796)
decreaseAllowance(address,uint256) should be declared external:
- F11.decreaseAllowance(address,uint256) (#798-801)
isExcludedFromReward(address) should be declared external:
- F11.isExcludedFromReward(address) (#803-805)
totalFees() should be declared external:
- F11.totalFees() (#807-809)
isExcludedFromFee(address) should be declared external:
- F11.isExcludedFromFee(address) (#992-994)
Use the external attribute for functions never called from the contract.

Additional information: link

Contract has 9% buy tax and 12% sell tax.
Taxes are high (over 10%) but contract ownership is renounced.

Average 30d PancakeSwap volume is low.

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

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

Unable to find PancakeSwap trading pair to compute liquidity.

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 whitepaper link on the website

Unable to find code repository for the project

Young tokens have high risks of price dump / death

Young tokens have high risks of scam / price dump / death

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 CoinGecko rank

Token has relatively low CoinMarketCap rank