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STiger [SincereTiger] Token

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Laser Scorebeta Last Audit: 19 February 2022

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

Reentrancy in SincereTiger._transfer(address,address,uint256) (#665-782):
External calls:
- swapTokens(contractTokenBalance) (#694)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#811-817)
External calls sending eth:
- swapTokens(contractTokenBalance) (#694)
- recipient.transfer(amount) (#1135)
State variables written after the call(s):
- _removeOldSellHistories() (#721)
- _sellHistories[i].time = _sellHistories[j].time (#1022)
- _sellHistories[i].bnbAmount = _sellHistories[j].bnbAmount (#1023)
- _sellHistories.pop() (#1033)
Reentrancy in SincereTiger._transfer(address,address,uint256) (#665-782):
External calls:
- swapTokens(contractTokenBalance) (#694)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#811-817)
- buyBackTokens(_bBSLimit) (#729)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
External calls sending eth:
- swapTokens(contractTokenBalance) (#694)
- recipient.transfer(amount) (#1135)
- buyBackTokens(_bBSLimit) (#729)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#958)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#874)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#883)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#875)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#894)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#904)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#885)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#895)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#906)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _rTotal = _rTotal.sub(rFee) (#913)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#960)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#893)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#903)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#884)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#905)
- buyBackTokens(_bBSLimit) (#729)
- inSwapAndLiquify = true (#511)
- inSwapAndLiquify = false (#513)
Apply the check-effects-interactions pattern.

Additional information: link

SincereTiger.swapETHForTokens(uint256) (#822-837) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
SincereTiger.addLiquidity(uint256,uint256) (#839-852) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#844-851)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

SincereTiger._transfer(address,address,uint256) (#665-782) uses a weak PRNG: "_bBSLimit = _bBSLimitMin + uint256(keccak256(bytes)(abi.encodePacked(block.timestamp,block.difficulty))) % (_bBSLimitMax - _bBSLimitMin + 1) (#726)"
Do not use block.timestamp, now or blockhash as a source of randomness

Additional information: link


Combination 1: Reentrancy vulnerabilities + Functions that send Ether to arbitraty destination. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

SincereTiger._transfer(address,address,uint256).sellHistory (#681) is a local variable never initialized
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

SincereTiger.addLiquidity(uint256,uint256) (#839-852) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#844-851)
Ensure that all the return values of the function calls are used.

Additional information: link

SincereTiger.allowance(address,address).owner (#566) shadows:
- Ownable.owner() (#157-159) (function)
SincereTiger._approve(address,address,uint256).owner (#657) shadows:
- Ownable.owner() (#157-159) (function)
Rename the local variables that shadow another component.

Additional information: link

SincereTiger.SetBuyBackMaxTimeForHistories(uint256) (#1038-1040) should emit an event for:
- _buyBackMaxTimeForHistories = newMinutes * 60 (#1039)
SincereTiger.SetBuyBackDivisor(uint256) (#1042-1044) should emit an event for:
- _buyBackDivisor = newDivisor (#1043)
SincereTiger.SetBuyBackTimeInterval(uint256) (#1050-1052) should emit an event for:
- _buyBackTimeInterval = newMinutes * 60 (#1051)
SincereTiger.SetBuyBackRangeRate(uint256) (#1054-1057) should emit an event for:
- _buyBackRangeRate = newPercent (#1056)
SincereTiger.SetSwapMinutes(uint256) (#1063-1065) should emit an event for:
- _intervalMinutesForSwap = newMinutes * 60 (#1064)
SincereTiger.setTaxFeePercent(uint256) (#1067-1069) should emit an event for:
- _taxFee = taxFee (#1068)
SincereTiger.setBuyFee(uint256,uint256) (#1071-1074) should emit an event for:
- _buyTaxFee = buyTaxFee (#1072)
- _buyLiquidityFee = buyLiquidityFee (#1073)
SincereTiger.setSellFee(uint256,uint256) (#1076-1079) should emit an event for:
- _sellTaxFee = sellTaxFee (#1077)
- _sellLiquidityFee = sellLiquidityFee (#1078)
SincereTiger.setLiquidityFeePercent(uint256) (#1081-1083) should emit an event for:
- _liquidityFee = liquidityFee (#1082)
SincereTiger.setBuyBackSellLimit(uint256) (#1085-1087) should emit an event for:
- buyBackSellLimit = buyBackSellSetLimit (#1086)
SincereTiger.setMaxTxAmount(uint256) (#1089-1091) should emit an event for:
- _maxTxAmount = maxTxAmount (#1090)
SincereTiger.setMarketingDivisor(uint256) (#1093-1095) should emit an event for:
- marketingDivisor = divisor (#1094)
SincereTiger.setNumTokensSellToAddToBuyBack(uint256) (#1097-1099) should emit an event for:
- minimumTokensBeforeSwap = _minimumTokensBeforeSwap (#1098)
Emit an event for critical parameter changes.

Additional information: link

SincereTiger.setMarketingAddress(address)._marketingAddress (#1101) lacks a zero-check on :
- marketingAddress = address(_marketingAddress) (#1102)
Check that the address is not zero.

Additional information: link

Reentrancy in SincereTiger._transfer(address,address,uint256) (#665-782):
External calls:
- swapTokens(contractTokenBalance) (#694)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#811-817)
- buyBackTokens(_bBSLimit) (#729)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
External calls sending eth:
- swapTokens(contractTokenBalance) (#694)
- recipient.transfer(amount) (#1135)
- buyBackTokens(_bBSLimit) (#729)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
State variables written after the call(s):
- removeAllFee() (#745)
- _liquidityFee = 0 (#982)
- _liquidityFee = _buyLiquidityFee (#747)
- removeAllFee() (#751)
- _liquidityFee = 0 (#982)
- _liquidityFee = _sellLiquidityFee (#753)
- removeAllFee() (#758)
- _liquidityFee = 0 (#982)
- _liquidityFee = _addressFees[from]._liquidityFee (#760)
- _liquidityFee = _addressFees[from]._sellLiquidityFee (#765)
- removeAllFee() (#772)
- _liquidityFee = 0 (#982)
- _liquidityFee = _addressFees[to]._buyLiquidityFee (#775)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _liquidityFee = _previousLiquidityFee (#987)
- _liquidityFee = 0 (#982)
- removeAllFee() (#745)
- _previousLiquidityFee = _liquidityFee (#979)
- removeAllFee() (#751)
- _previousLiquidityFee = _liquidityFee (#979)
- removeAllFee() (#758)
- _previousLiquidityFee = _liquidityFee (#979)
- removeAllFee() (#772)
- _previousLiquidityFee = _liquidityFee (#979)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _previousLiquidityFee = _liquidityFee (#979)
- removeAllFee() (#745)
- _previousTaxFee = _taxFee (#978)
- removeAllFee() (#751)
- _previousTaxFee = _taxFee (#978)
- removeAllFee() (#758)
- _previousTaxFee = _taxFee (#978)
- removeAllFee() (#772)
- _previousTaxFee = _taxFee (#978)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _previousTaxFee = _taxFee (#978)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _tFeeTotal = _tFeeTotal.add(tFee) (#914)
- removeAllFee() (#745)
- _taxFee = 0 (#981)
- _taxFee = _buyTaxFee (#746)
- removeAllFee() (#751)
- _taxFee = 0 (#981)
- _taxFee = _sellTaxFee (#752)
- removeAllFee() (#758)
- _taxFee = 0 (#981)
- _taxFee = _addressFees[from]._taxFee (#759)
- _taxFee = _addressFees[from]._sellTaxFee (#764)
- removeAllFee() (#772)
- _taxFee = 0 (#981)
- _taxFee = _addressFees[to]._buyTaxFee (#774)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _taxFee = _previousTaxFee (#986)
- _taxFee = 0 (#981)
Reentrancy in SincereTiger.changeRouterVersion(address) (#1138-1151):
External calls:
- _pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1144-1145)
State variables written after the call(s):
- uniswapV2Pair = _pair (#1147)
- uniswapV2Router = _uniswapV2Router (#1150)
Reentrancy in SincereTiger.constructor() (#516-538):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#526-527)
State variables written after the call(s):
- _isExcludedFromFee[owner()] = true (#532)
- _isExcludedFromFee[address(this)] = true (#533)
- _startTimeForSwap = block.timestamp (#535)
- uniswapV2Router = _uniswapV2Router (#529)
Reentrancy in SincereTiger.transferFrom(address,address,uint256) (#575-579):
External calls:
- _transfer(sender,recipient,amount) (#576)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#811-817)
External calls sending eth:
- _transfer(sender,recipient,amount) (#576)
- recipient.transfer(amount) (#1135)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#577)
- _allowances[owner][spender] = amount (#661)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in SincereTiger._transfer(address,address,uint256) (#665-782):
External calls:
- swapTokens(contractTokenBalance) (#694)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#811-817)
- buyBackTokens(_bBSLimit) (#729)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
External calls sending eth:
- swapTokens(contractTokenBalance) (#694)
- recipient.transfer(amount) (#1135)
- buyBackTokens(_bBSLimit) (#729)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
Event emitted after the call(s):
- SwapETHForTokens(amount,path) (#836)
- buyBackTokens(_bBSLimit) (#729)
- Transfer(sender,recipient,tTransferAmount) (#878)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- Transfer(sender,recipient,tTransferAmount) (#888)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- Transfer(sender,recipient,tTransferAmount) (#898)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- Transfer(sender,recipient,tTransferAmount) (#909)
- _tokenTransfer(from,to,amount,takeFee) (#781)
Reentrancy in SincereTiger.constructor() (#516-538):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#526-527)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_tTotal) (#537)
Reentrancy in SincereTiger.swapETHForTokens(uint256) (#822-837):
External calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
Event emitted after the call(s):
- SwapETHForTokens(amount,path) (#836)
Reentrancy in SincereTiger.swapTokensForEth(uint256) (#802-820):
External calls:
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#811-817)
Event emitted after the call(s):
- SwapTokensForETH(tokenAmount,path) (#819)
Reentrancy in SincereTiger.transferFrom(address,address,uint256) (#575-579):
External calls:
- _transfer(sender,recipient,amount) (#576)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#811-817)
External calls sending eth:
- _transfer(sender,recipient,amount) (#576)
- recipient.transfer(amount) (#1135)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#662)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#577)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable.unlock() (#192-197) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _lockTime,Contract is locked until 7 days) (#194)
SincereTiger._transfer(address,address,uint256) (#665-782) uses timestamp for comparisons
Dangerous comparisons:
- overMinimumTokenBalance && _startTimeForSwap + _intervalMinutesForSwap <= block.timestamp (#691)
- _sellHistories[i].time >= startTime (#711)
- balance > _bBSLimit (#728)
SincereTiger.buyBackTokens(uint256) (#796-800) uses timestamp for comparisons
Dangerous comparisons:
- amount > 0 (#797)
SincereTiger._removeOldSellHistories() (#1014-1036) uses timestamp for comparisons
Dangerous comparisons:
- _sellHistories[j].time >= maxStartTimeForHistories (#1020)
Avoid relying on block.timestamp.

Additional information: link

Address.isContract(address) (#87-96) uses assembly
- INLINE ASM (#94)
Address._functionCallWithValue(address,bytes,uint256,string) (#124-141) uses assembly
- INLINE ASM (#133-136)
Do not use evm assembly.

Additional information: link

SincereTiger.includeInReward(address) (#644-655) has costly operations inside a loop:
- _excluded.pop() (#651)
Use a local variable to hold the loop computation result.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#124-141) is never used and should be removed
Address.functionCall(address,bytes) (#107-109) is never used and should be removed
Address.functionCall(address,bytes,string) (#111-113) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#115-117) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#119-122) is never used and should be removed
Address.isContract(address) (#87-96) is never used and should be removed
Address.sendValue(address,uint256) (#98-104) is never used and should be removed
SafeMath.mod(uint256,uint256) (#75-77) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#79-82) is never used and should be removed
SincereTiger.addLiquidity(uint256,uint256) (#839-852) is never used and should be removed
Remove unused functions.

Additional information: link

SincereTiger._rTotal (#426) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
SincereTiger._previousTaxFee (#449) is set pre-construction with a non-constant function or state variable:
- _taxFee
SincereTiger._previousLiquidityFee (#452) 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) (#98-104):
- (success) = recipient.call{value: amount}() (#102)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#124-141):
- (success,returndata) = target.call{value: weiValue}(data) (#127)
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() (#236) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#237) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#253) is not in mixedCase
Function IUniswapV2Router01.WETH() (#274) is not in mixedCase
Parameter SincereTiger.calculateTaxFee(uint256)._amount (#963) is not in mixedCase
Parameter SincereTiger.calculateLiquidityFee(uint256)._amount (#969) is not in mixedCase
Function SincereTiger.SetBuyBackMaxTimeForHistories(uint256) (#1038-1040) is not in mixedCase
Function SincereTiger.SetBuyBackDivisor(uint256) (#1042-1044) is not in mixedCase
Function SincereTiger.GetBuyBackTimeInterval() (#1046-1048) is not in mixedCase
Function SincereTiger.SetBuyBackTimeInterval(uint256) (#1050-1052) is not in mixedCase
Function SincereTiger.SetBuyBackRangeRate(uint256) (#1054-1057) is not in mixedCase
Function SincereTiger.GetSwapMinutes() (#1059-1061) is not in mixedCase
Function SincereTiger.SetSwapMinutes(uint256) (#1063-1065) is not in mixedCase
Parameter SincereTiger.setNumTokensSellToAddToBuyBack(uint256)._minimumTokensBeforeSwap (#1097) is not in mixedCase
Parameter SincereTiger.setMarketingAddress(address)._marketingAddress (#1101) is not in mixedCase
Parameter SincereTiger.setSwapAndLiquifyEnabled(bool)._enabled (#1105) is not in mixedCase
Parameter SincereTiger.setBuyBackEnabled(bool)._enabled (#1110) is not in mixedCase
Parameter SincereTiger.setAutoBuyBackEnabled(bool)._enabled (#1115) is not in mixedCase
Parameter SincereTiger.changeRouterVersion(address)._router (#1138) is not in mixedCase
Parameter SincereTiger.transferForeignToken(address,address)._token (#1157) is not in mixedCase
Parameter SincereTiger.transferForeignToken(address,address)._to (#1157) is not in mixedCase
Function SincereTiger.Sweep() (#1163-1166) is not in mixedCase
Parameter SincereTiger.setAddressFee(address,bool,uint256,uint256)._address (#1168) is not in mixedCase
Parameter SincereTiger.setAddressFee(address,bool,uint256,uint256)._enable (#1168) is not in mixedCase
Parameter SincereTiger.setAddressFee(address,bool,uint256,uint256)._addressTaxFee (#1168) is not in mixedCase
Parameter SincereTiger.setAddressFee(address,bool,uint256,uint256)._addressLiquidityFee (#1168) is not in mixedCase
Parameter SincereTiger.setBuyAddressFee(address,bool,uint256,uint256)._address (#1174) is not in mixedCase
Parameter SincereTiger.setBuyAddressFee(address,bool,uint256,uint256)._enable (#1174) is not in mixedCase
Parameter SincereTiger.setBuyAddressFee(address,bool,uint256,uint256)._addressTaxFee (#1174) is not in mixedCase
Parameter SincereTiger.setBuyAddressFee(address,bool,uint256,uint256)._addressLiquidityFee (#1174) is not in mixedCase
Parameter SincereTiger.setSellAddressFee(address,bool,uint256,uint256)._address (#1180) is not in mixedCase
Parameter SincereTiger.setSellAddressFee(address,bool,uint256,uint256)._enable (#1180) is not in mixedCase
Parameter SincereTiger.setSellAddressFee(address,bool,uint256,uint256)._addressTaxFee (#1180) is not in mixedCase
Parameter SincereTiger.setSellAddressFee(address,bool,uint256,uint256)._addressLiquidityFee (#1180) is not in mixedCase
Variable SincereTiger._taxFee (#448) is not in mixedCase
Variable SincereTiger._liquidityFee (#451) is not in mixedCase
Variable SincereTiger._buyTaxFee (#454) is not in mixedCase
Variable SincereTiger._buyLiquidityFee (#455) is not in mixedCase
Variable SincereTiger._sellTaxFee (#457) is not in mixedCase
Variable SincereTiger._sellLiquidityFee (#458) is not in mixedCase
Variable SincereTiger._startTimeForSwap (#460) is not in mixedCase
Variable SincereTiger._intervalMinutesForSwap (#461) is not in mixedCase
Variable SincereTiger._buyBackRangeRate (#463) is not in mixedCase
Variable SincereTiger._addressFees (#466) is not in mixedCase
Variable SincereTiger._maxTxAmount (#470) is not in mixedCase
Variable SincereTiger._sellHistories (#475) is not in mixedCase
Variable SincereTiger._isAutoBuyBack (#476) is not in mixedCase
Variable SincereTiger._buyBackDivisor (#477) is not in mixedCase
Variable SincereTiger._buyBackTimeInterval (#478) is not in mixedCase
Variable SincereTiger._buyBackMaxTimeForHistories (#479) is not in mixedCase
Variable SincereTiger._isEnabledBuyBackAndBurn (#488) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Reentrancy in SincereTiger._transfer(address,address,uint256) (#665-782):
External calls:
- swapTokens(contractTokenBalance) (#694)
- recipient.transfer(amount) (#1135)
State variables written after the call(s):
- _removeOldSellHistories() (#721)
- _sellHistories[i].time = _sellHistories[j].time (#1022)
- _sellHistories[i].bnbAmount = _sellHistories[j].bnbAmount (#1023)
- _sellHistories.pop() (#1033)
Reentrancy in SincereTiger._transfer(address,address,uint256) (#665-782):
External calls:
- swapTokens(contractTokenBalance) (#694)
- recipient.transfer(amount) (#1135)
External calls sending eth:
- swapTokens(contractTokenBalance) (#694)
- recipient.transfer(amount) (#1135)
- buyBackTokens(_bBSLimit) (#729)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
State variables written after the call(s):
- removeAllFee() (#745)
- _liquidityFee = 0 (#982)
- _liquidityFee = _buyLiquidityFee (#747)
- removeAllFee() (#751)
- _liquidityFee = 0 (#982)
- _liquidityFee = _sellLiquidityFee (#753)
- removeAllFee() (#758)
- _liquidityFee = 0 (#982)
- _liquidityFee = _addressFees[from]._liquidityFee (#760)
- _liquidityFee = _addressFees[from]._sellLiquidityFee (#765)
- removeAllFee() (#772)
- _liquidityFee = 0 (#982)
- _liquidityFee = _addressFees[to]._buyLiquidityFee (#775)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _liquidityFee = _previousLiquidityFee (#987)
- _liquidityFee = 0 (#982)
- removeAllFee() (#745)
- _previousLiquidityFee = _liquidityFee (#979)
- removeAllFee() (#751)
- _previousLiquidityFee = _liquidityFee (#979)
- removeAllFee() (#758)
- _previousLiquidityFee = _liquidityFee (#979)
- removeAllFee() (#772)
- _previousLiquidityFee = _liquidityFee (#979)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _previousLiquidityFee = _liquidityFee (#979)
- removeAllFee() (#745)
- _previousTaxFee = _taxFee (#978)
- removeAllFee() (#751)
- _previousTaxFee = _taxFee (#978)
- removeAllFee() (#758)
- _previousTaxFee = _taxFee (#978)
- removeAllFee() (#772)
- _previousTaxFee = _taxFee (#978)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _previousTaxFee = _taxFee (#978)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#958)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#874)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#883)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#875)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#894)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#904)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#885)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#895)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#906)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _rTotal = _rTotal.sub(rFee) (#913)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _tFeeTotal = _tFeeTotal.add(tFee) (#914)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#960)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#893)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#903)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#884)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#905)
- removeAllFee() (#745)
- _taxFee = 0 (#981)
- _taxFee = _buyTaxFee (#746)
- removeAllFee() (#751)
- _taxFee = 0 (#981)
- _taxFee = _sellTaxFee (#752)
- removeAllFee() (#758)
- _taxFee = 0 (#981)
- _taxFee = _addressFees[from]._taxFee (#759)
- _taxFee = _addressFees[from]._sellTaxFee (#764)
- removeAllFee() (#772)
- _taxFee = 0 (#981)
- _taxFee = _addressFees[to]._buyTaxFee (#774)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- _taxFee = _previousTaxFee (#986)
- _taxFee = 0 (#981)
- buyBackTokens(_bBSLimit) (#729)
- inSwapAndLiquify = true (#511)
- inSwapAndLiquify = false (#513)
Event emitted after the call(s):
- SwapETHForTokens(amount,path) (#836)
- buyBackTokens(_bBSLimit) (#729)
- Transfer(sender,recipient,tTransferAmount) (#878)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- Transfer(sender,recipient,tTransferAmount) (#898)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- Transfer(sender,recipient,tTransferAmount) (#888)
- _tokenTransfer(from,to,amount,takeFee) (#781)
- Transfer(sender,recipient,tTransferAmount) (#909)
- _tokenTransfer(from,to,amount,takeFee) (#781)
Reentrancy in SincereTiger.transferFrom(address,address,uint256) (#575-579):
External calls:
- _transfer(sender,recipient,amount) (#576)
- recipient.transfer(amount) (#1135)
External calls sending eth:
- _transfer(sender,recipient,amount) (#576)
- recipient.transfer(amount) (#1135)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#829-834)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#577)
- _allowances[owner][spender] = amount (#661)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#662)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#577)
Apply the check-effects-interactions pattern.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#279) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#280)
Variable SincereTiger._transferBothExcluded(address,address,uint256).rTransferAmount (#902) is too similar to SincereTiger._transferStandard(address,address,uint256).tTransferAmount (#873)
Variable SincereTiger._transferFromExcluded(address,address,uint256).rTransferAmount (#892) is too similar to SincereTiger._getValues(uint256).tTransferAmount (#918)
Variable SincereTiger._transferToExcluded(address,address,uint256).rTransferAmount (#882) is too similar to SincereTiger._transferStandard(address,address,uint256).tTransferAmount (#873)
Variable SincereTiger._transferBothExcluded(address,address,uint256).rTransferAmount (#902) is too similar to SincereTiger._transferBothExcluded(address,address,uint256).tTransferAmount (#902)
Variable SincereTiger._transferStandard(address,address,uint256).rTransferAmount (#873) is too similar to SincereTiger._getTValues(uint256).tTransferAmount (#926)
Variable SincereTiger.reflectionFromToken(uint256,bool).rTransferAmount (#623) is too similar to SincereTiger._transferStandard(address,address,uint256).tTransferAmount (#873)
Variable SincereTiger._transferFromExcluded(address,address,uint256).rTransferAmount (#892) is too similar to SincereTiger._transferStandard(address,address,uint256).tTransferAmount (#873)
Variable SincereTiger.reflectionFromToken(uint256,bool).rTransferAmount (#623) is too similar to SincereTiger._transferBothExcluded(address,address,uint256).tTransferAmount (#902)
Variable SincereTiger._transferFromExcluded(address,address,uint256).rTransferAmount (#892) is too similar to SincereTiger._transferBothExcluded(address,address,uint256).tTransferAmount (#902)
Variable SincereTiger._transferBothExcluded(address,address,uint256).rTransferAmount (#902) is too similar to SincereTiger._transferFromExcluded(address,address,uint256).tTransferAmount (#892)
Variable SincereTiger._transferToExcluded(address,address,uint256).rTransferAmount (#882) is too similar to SincereTiger._transferFromExcluded(address,address,uint256).tTransferAmount (#892)
Variable SincereTiger._transferStandard(address,address,uint256).rTransferAmount (#873) is too similar to SincereTiger._transferStandard(address,address,uint256).tTransferAmount (#873)
Variable SincereTiger._transferBothExcluded(address,address,uint256).rTransferAmount (#902) is too similar to SincereTiger._transferToExcluded(address,address,uint256).tTransferAmount (#882)
Variable SincereTiger.reflectionFromToken(uint256,bool).rTransferAmount (#623) is too similar to SincereTiger._transferFromExcluded(address,address,uint256).tTransferAmount (#892)
Variable SincereTiger._transferToExcluded(address,address,uint256).rTransferAmount (#882) is too similar to SincereTiger._transferToExcluded(address,address,uint256).tTransferAmount (#882)
Variable SincereTiger._transferFromExcluded(address,address,uint256).rTransferAmount (#892) is too similar to SincereTiger._transferFromExcluded(address,address,uint256).tTransferAmount (#892)
Variable SincereTiger._transferBothExcluded(address,address,uint256).rTransferAmount (#902) is too similar to SincereTiger._getTValues(uint256).tTransferAmount (#926)
Variable SincereTiger._transferBothExcluded(address,address,uint256).rTransferAmount (#902) is too similar to SincereTiger._getValues(uint256).tTransferAmount (#918)
Variable SincereTiger._transferToExcluded(address,address,uint256).rTransferAmount (#882) is too similar to SincereTiger._getTValues(uint256).tTransferAmount (#926)
Variable SincereTiger._transferToExcluded(address,address,uint256).rTransferAmount (#882) is too similar to SincereTiger._getValues(uint256).tTransferAmount (#918)
Variable SincereTiger._getValues(uint256).rTransferAmount (#919) is too similar to SincereTiger._getTValues(uint256).tTransferAmount (#926)
Variable SincereTiger.reflectionFromToken(uint256,bool).rTransferAmount (#623) is too similar to SincereTiger._transferToExcluded(address,address,uint256).tTransferAmount (#882)
Variable SincereTiger._transferFromExcluded(address,address,uint256).rTransferAmount (#892) is too similar to SincereTiger._transferToExcluded(address,address,uint256).tTransferAmount (#882)
Variable SincereTiger.reflectionFromToken(uint256,bool).rTransferAmount (#623) is too similar to SincereTiger._getTValues(uint256).tTransferAmount (#926)
Variable SincereTiger.reflectionFromToken(uint256,bool).rTransferAmount (#623) is too similar to SincereTiger._getValues(uint256).tTransferAmount (#918)
Variable SincereTiger._transferFromExcluded(address,address,uint256).rTransferAmount (#892) is too similar to SincereTiger._getTValues(uint256).tTransferAmount (#926)
Variable SincereTiger._getValues(uint256).rTransferAmount (#919) is too similar to SincereTiger._transferStandard(address,address,uint256).tTransferAmount (#873)
Variable SincereTiger._transferStandard(address,address,uint256).rTransferAmount (#873) is too similar to SincereTiger._getValues(uint256).tTransferAmount (#918)
Variable SincereTiger._transferStandard(address,address,uint256).rTransferAmount (#873) is too similar to SincereTiger._transferToExcluded(address,address,uint256).tTransferAmount (#882)
Variable SincereTiger._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#934) is too similar to SincereTiger._getValues(uint256).tTransferAmount (#918)
Variable SincereTiger._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#934) is too similar to SincereTiger._transferToExcluded(address,address,uint256).tTransferAmount (#882)
Variable SincereTiger._transferStandard(address,address,uint256).rTransferAmount (#873) is too similar to SincereTiger._transferBothExcluded(address,address,uint256).tTransferAmount (#902)
Variable SincereTiger._transferStandard(address,address,uint256).rTransferAmount (#873) is too similar to SincereTiger._transferFromExcluded(address,address,uint256).tTransferAmount (#892)
Variable SincereTiger._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#934) is too similar to SincereTiger._transferBothExcluded(address,address,uint256).tTransferAmount (#902)
Variable SincereTiger._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#934) is too similar to SincereTiger._getTValues(uint256).tTransferAmount (#926)
Variable SincereTiger._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#934) is too similar to SincereTiger._transferFromExcluded(address,address,uint256).tTransferAmount (#892)
Variable SincereTiger._getValues(uint256).rTransferAmount (#919) is too similar to SincereTiger._getValues(uint256).tTransferAmount (#918)
Variable SincereTiger._getValues(uint256).rTransferAmount (#919) is too similar to SincereTiger._transferToExcluded(address,address,uint256).tTransferAmount (#882)
Variable SincereTiger._getValues(uint256).rTransferAmount (#919) is too similar to SincereTiger._transferBothExcluded(address,address,uint256).tTransferAmount (#902)
Variable SincereTiger._getValues(uint256).rTransferAmount (#919) is too similar to SincereTiger._transferFromExcluded(address,address,uint256).tTransferAmount (#892)
Variable SincereTiger._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#934) is too similar to SincereTiger._transferStandard(address,address,uint256).tTransferAmount (#873)
Variable SincereTiger._transferToExcluded(address,address,uint256).rTransferAmount (#882) is too similar to SincereTiger._transferBothExcluded(address,address,uint256).tTransferAmount (#902)
Prevent variables from having similar names.

Additional information: link

SincereTiger.prepareForPreSale() (#1120-1125) uses literals with too many digits:
- _maxTxAmount = 1000000000 * 10 ** 6 * 10 ** 9 (#1124)
SincereTiger.afterPreSale() (#1127-1132) uses literals with too many digits:
- _maxTxAmount = 3000000 * 10 ** 6 * 10 ** 9 (#1131)
SincereTiger.slitherConstructorVariables() (#409-1187) uses literals with too many digits:
- deadAddress = 0x000000000000000000000000000000000000dEaD (#414)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SincereTiger._decimals (#431) should be constant
SincereTiger._isEnabledBuyBackAndBurn (#488) should be constant
SincereTiger._name (#429) should be constant
SincereTiger._symbol (#430) should be constant
SincereTiger._tTotal (#425) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#166-169)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#171-175)
getUnlockTime() should be declared external:
- Ownable.getUnlockTime() (#177-179)
getTime() should be declared external:
- Ownable.getTime() (#181-183)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#185-190)
unlock() should be declared external:
- Ownable.unlock() (#192-197)
name() should be declared external:
- SincereTiger.name() (#540-542)
symbol() should be declared external:
- SincereTiger.symbol() (#544-546)
decimals() should be declared external:
- SincereTiger.decimals() (#548-550)
totalSupply() should be declared external:
- SincereTiger.totalSupply() (#552-554)
transfer(address,uint256) should be declared external:
- SincereTiger.transfer(address,uint256) (#561-564)
allowance(address,address) should be declared external:
- SincereTiger.allowance(address,address) (#566-568)
approve(address,uint256) should be declared external:
- SincereTiger.approve(address,uint256) (#570-573)
transferFrom(address,address,uint256) should be declared external:
- SincereTiger.transferFrom(address,address,uint256) (#575-579)
increaseAllowance(address,uint256) should be declared external:
- SincereTiger.increaseAllowance(address,uint256) (#581-584)
decreaseAllowance(address,uint256) should be declared external:
- SincereTiger.decreaseAllowance(address,uint256) (#586-589)
isExcludedFromReward(address) should be declared external:
- SincereTiger.isExcludedFromReward(address) (#591-593)
totalFees() should be declared external:
- SincereTiger.totalFees() (#595-597)
minimumTokensBeforeSwapAmount() should be declared external:
- SincereTiger.minimumTokensBeforeSwapAmount() (#599-601)
buyBackSellLimitAmount() should be declared external:
- SincereTiger.buyBackSellLimitAmount() (#603-605)
deliver(uint256) should be declared external:
- SincereTiger.deliver(uint256) (#607-614)
reflectionFromToken(uint256,bool) should be declared external:
- SincereTiger.reflectionFromToken(uint256,bool) (#617-626)
excludeFromReward(address) should be declared external:
- SincereTiger.excludeFromReward(address) (#634-642)
isExcludedFromFee(address) should be declared external:
- SincereTiger.isExcludedFromFee(address) (#990-992)
excludeFromFee(address) should be declared external:
- SincereTiger.excludeFromFee(address) (#994-996)
includeInFee(address) should be declared external:
- SincereTiger.includeInFee(address) (#998-1000)
GetBuyBackTimeInterval() should be declared external:
- SincereTiger.GetBuyBackTimeInterval() (#1046-1048)
GetSwapMinutes() should be declared external:
- SincereTiger.GetSwapMinutes() (#1059-1061)
setBuyBackEnabled(bool) should be declared external:
- SincereTiger.setBuyBackEnabled(bool) (#1110-1113)
setAutoBuyBackEnabled(bool) should be declared external:
- SincereTiger.setAutoBuyBackEnabled(bool) (#1115-1118)
changeRouterVersion(address) should be declared external:
- SincereTiger.changeRouterVersion(address) (#1138-1151)
transferForeignToken(address,address) should be declared external:
- SincereTiger.transferForeignToken(address,address) (#1157-1161)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Token seems to be untradeable: there is no PancakeSwap trading pair and no trading volumes. Ignore for presale.


Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive.


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


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