SPC [Spectra] Token

Reentrancy in Spectra._transfer(address,address,uint256) (#639-701):
External calls:
- swapTokens(tLiquidity) (#688)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#731-737)
External calls sending eth:
- swapTokens(tLiquidity) (#688)
- recipient.transfer(amount) (#1014)
State variables written after the call(s):
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _BliquidityFee = _BpreviousLiquidityFee (#907)
- _BliquidityFee = 0 (#900)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _CharityFee = _prevCharityFee (#910)
- _CharityFee = 0 (#903)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _MarketingFee = _prevMarketingFee (#909)
- _MarketingFee = 0 (#902)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _SliquidityFee = _SpreviousLiquidityFee (#908)
- _SliquidityFee = 0 (#901)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#878)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#803)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#794)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#824)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#814)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#795)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#805)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#815)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#826)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _rTotal = _rTotal.sub(rFee) (#833)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#880)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#813)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#823)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#804)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#825)
Apply the check-effects-interactions pattern.

Additional information: link

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

Contract ownership is not renounced (belongs to a wallet)

Redundant expression "this (#11)" inContext (#5-14)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Spectra._previousTaxFee (#435) is never used in Spectra (#408-1020)
Remove unused state variables.

Additional information: link

Spectra._transfer(address,address,uint256) (#639-701) performs a multiplication on the result of a division:
-rLiquidity = tLiquidity.mul(currentRate) (#660)
-tLiquidity = amount.mul(_BliquidityFee).div(100) (#669)
Spectra._transfer(address,address,uint256) (#639-701) performs a multiplication on the result of a division:
-tLiquidity = amount.mul(_BliquidityFee).div(100) (#669)
-rLiquidity_scope_1 = tLiquidity.mul(currentRate_scope_0) (#671)
Spectra.swapTokens(uint256) (#703-713) performs a multiplication on the result of a division:
-transferToAddressETH(marketingAddress,transferredBalance.div(_MarketingFee + _CharityFee).mul(_MarketingFee)) (#710)
Spectra.swapTokens(uint256) (#703-713) performs a multiplication on the result of a division:
-transferToAddressETH(charityAddress,transferredBalance.div(_MarketingFee + _CharityFee).mul(_CharityFee)) (#711)
Consider ordering multiplication before division.

Additional information: link

Spectra._transfer(address,address,uint256) (#639-701) ignores return value by _tOwned[from].sub(tLiquidity) (#664)
Spectra._transfer(address,address,uint256) (#639-701) ignores return value by _tOwned[from].sub(tLiquidity) (#675)
Spectra.addLiquidity(uint256,uint256) (#759-772) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#764-771)
Ensure that all the return values of the function calls are used.

Additional information: link

Spectra.allowance(address,address).owner (#539) shadows:
- Ownable.owner() (#154-156) (function)
Spectra._approve(address,address,uint256).owner (#631) shadows:
- Ownable.owner() (#154-156) (function)
Rename the local variables that shadow another component.

Additional information: link

Spectra.setTaxFeePercent(uint256) (#925-927) should emit an event for:
- _taxFee = taxFee (#926)
Spectra.setTaxes(uint256,uint256,uint256,uint256) (#929-934) should emit an event for:
- _BliquidityFee = buyLiq (#930)
- _SliquidityFee = sellLiq (#931)
- _MarketingFee = marketing (#932)
- _CharityFee = charity (#933)
Spectra.setMaxTxAmount(uint256) (#965-967) should emit an event for:
- _maxTxAmount = maxTxAmount (#966)
Spectra.setMaxWalletAmount(uint256) (#968-970) should emit an event for:
- _maxWalletAmount = maxTxAmount (#969)
Spectra.setNumTokensSellToAddToLiquidity(uint256) (#976-978) should emit an event for:
- minimumTokensBeforeSwap = _minimumTokensBeforeSwap (#977)
Emit an event for critical parameter changes.

Additional information: link

Spectra.setMarketingAddress(address)._marketingAddress (#981) lacks a zero-check on :
- marketingAddress = address(_marketingAddress) (#982)
Check that the address is not zero.

Additional information: link

Reentrancy in Spectra._transfer(address,address,uint256) (#639-701):
External calls:
- swapTokens(tLiquidity) (#688)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#731-737)
External calls sending eth:
- swapTokens(tLiquidity) (#688)
- recipient.transfer(amount) (#1014)
State variables written after the call(s):
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _BpreviousLiquidityFee = _BliquidityFee (#896)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _SpreviousLiquidityFee = _SliquidityFee (#897)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _prevCharityFee = _CharityFee (#899)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _prevMarketingFee = _MarketingFee (#898)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _tFeeTotal = _tFeeTotal.add(tFee) (#834)
Reentrancy in Spectra.constructor() (#497-511):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#501-502)
State variables written after the call(s):
- _isExcludedFromFee[owner()] = true (#507)
- _isExcludedFromFee[address(this)] = true (#508)
- uniswapV2Router = _uniswapV2Router (#504)
Reentrancy in Spectra.transferFrom(address,address,uint256) (#548-552):
External calls:
- _transfer(sender,recipient,amount) (#549)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#731-737)
External calls sending eth:
- _transfer(sender,recipient,amount) (#549)
- recipient.transfer(amount) (#1014)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#550)
- _allowances[owner][spender] = amount (#635)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Spectra._transfer(address,address,uint256) (#639-701):
External calls:
- swapTokens(tLiquidity) (#688)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#731-737)
External calls sending eth:
- swapTokens(tLiquidity) (#688)
- recipient.transfer(amount) (#1014)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#798)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- Transfer(sender,recipient,tTransferAmount) (#808)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- Transfer(sender,recipient,tTransferAmount) (#818)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- Transfer(sender,recipient,tTransferAmount) (#829)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
Reentrancy in Spectra.constructor() (#497-511):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#501-502)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_tTotal) (#510)
Reentrancy in Spectra.swapETHForTokens(uint256) (#742-757):
External calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,deadAddress,block.timestamp.add(300)) (#749-754)
Event emitted after the call(s):
- SwapETHForTokens(amount,path) (#756)
Reentrancy in Spectra.swapTokensForEth(uint256) (#722-740):
External calls:
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#731-737)
Event emitted after the call(s):
- SwapTokensForETH(tokenAmount,path) (#739)
Reentrancy in Spectra.transferFrom(address,address,uint256) (#548-552):
External calls:
- _transfer(sender,recipient,amount) (#549)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#731-737)
External calls sending eth:
- _transfer(sender,recipient,amount) (#549)
- recipient.transfer(amount) (#1014)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#636)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#550)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable.unlock() (#189-194) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _lockTime,Contract is locked until 7 days) (#191)
Avoid relying on block.timestamp.

Additional information: link

Address.isContract(address) (#84-93) uses assembly
- INLINE ASM (#91)
Address._functionCallWithValue(address,bytes,uint256,string) (#121-138) uses assembly
- INLINE ASM (#130-133)
Do not use evm assembly.

Additional information: link

Spectra.includeInReward(address) (#618-629) has costly operations inside a loop:
- _excluded.pop() (#625)
Use a local variable to hold the loop computation result.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#121-138) is never used and should be removed
Address.functionCall(address,bytes) (#104-106) is never used and should be removed
Address.functionCall(address,bytes,string) (#108-110) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#112-114) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#116-119) is never used and should be removed
Address.isContract(address) (#84-93) is never used and should be removed
Address.sendValue(address,uint256) (#95-101) is never used and should be removed
Context._msgData() (#10-13) is never used and should be removed
SafeMath.mod(uint256,uint256) (#72-74) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#76-79) is never used and should be removed
Spectra.addLiquidity(uint256,uint256) (#759-772) is never used and should be removed
Spectra.buyBackTokens(uint256) (#716-720) is never used and should be removed
Spectra.swapETHForTokens(uint256) (#742-757) is never used and should be removed
Remove unused functions.

Additional information: link

Spectra._rTotal (#426) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
Spectra._previousTaxFee (#435) is set pre-construction with a non-constant function or state variable:
- _taxFee
Spectra._BpreviousLiquidityFee (#438) is set pre-construction with a non-constant function or state variable:
- _BliquidityFee
Spectra._SpreviousLiquidityFee (#441) is set pre-construction with a non-constant function or state variable:
- _SliquidityFee
Spectra._prevMarketingFee (#444) is set pre-construction with a non-constant function or state variable:
- _MarketingFee
Spectra._prevCharityFee (#447) is set pre-construction with a non-constant function or state variable:
- _CharityFee
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) (#95-101):
- (success) = recipient.call{value: amount}() (#99)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#121-138):
- (success,returndata) = target.call{value: weiValue}(data) (#124)
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() (#233) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#234) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#250) is not in mixedCase
Function IUniswapV2Router01.WETH() (#271) is not in mixedCase
Parameter Spectra.calculateTaxFee(uint256)._amount (#883) is not in mixedCase
Parameter Spectra.calculateLiquidityFee(uint256)._amount (#889) is not in mixedCase
Parameter Spectra.setNumTokensSellToAddToLiquidity(uint256)._minimumTokensBeforeSwap (#976) is not in mixedCase
Parameter Spectra.setMarketingAddress(address)._marketingAddress (#981) is not in mixedCase
Parameter Spectra.setSwapAndLiquifyEnabled(bool)._enabled (#985) is not in mixedCase
Variable Spectra._taxFee (#434) is not in mixedCase
Variable Spectra._BliquidityFee (#437) is not in mixedCase
Variable Spectra._BpreviousLiquidityFee (#438) is not in mixedCase
Variable Spectra._SliquidityFee (#440) is not in mixedCase
Variable Spectra._SpreviousLiquidityFee (#441) is not in mixedCase
Variable Spectra._MarketingFee (#443) is not in mixedCase
Variable Spectra._CharityFee (#446) is not in mixedCase
Variable Spectra._HappyBuyliquidityFee (#449) is not in mixedCase
Variable Spectra._HappySellliquidityFee (#451) is not in mixedCase
Variable Spectra._HappyMarketingFee (#453) is not in mixedCase
Variable Spectra._HappyCharityFee (#455) is not in mixedCase
Variable Spectra._maxTxAmount (#459) is not in mixedCase
Variable Spectra._maxWalletAmount (#460) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Reentrancy in Spectra._transfer(address,address,uint256) (#639-701):
External calls:
- swapTokens(tLiquidity) (#688)
- recipient.transfer(amount) (#1014)
State variables written after the call(s):
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _BliquidityFee = _BpreviousLiquidityFee (#907)
- _BliquidityFee = 0 (#900)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _BpreviousLiquidityFee = _BliquidityFee (#896)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _CharityFee = _prevCharityFee (#910)
- _CharityFee = 0 (#903)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _MarketingFee = _prevMarketingFee (#909)
- _MarketingFee = 0 (#902)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _SliquidityFee = _SpreviousLiquidityFee (#908)
- _SliquidityFee = 0 (#901)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _SpreviousLiquidityFee = _SliquidityFee (#897)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _prevCharityFee = _CharityFee (#899)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _prevMarketingFee = _MarketingFee (#898)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#878)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#803)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#794)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#824)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#814)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#795)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#805)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#815)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#826)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _rTotal = _rTotal.sub(rFee) (#833)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _tFeeTotal = _tFeeTotal.add(tFee) (#834)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#880)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#813)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#823)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#804)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#825)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#798)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- Transfer(sender,recipient,tTransferAmount) (#818)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- Transfer(sender,recipient,tTransferAmount) (#808)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
- Transfer(sender,recipient,tTransferAmount) (#829)
- _tokenTransfer(from,to,newAmt,takeFee) (#700)
Reentrancy in Spectra.transferFrom(address,address,uint256) (#548-552):
External calls:
- _transfer(sender,recipient,amount) (#549)
- recipient.transfer(amount) (#1014)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#550)
- _allowances[owner][spender] = amount (#635)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#636)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#550)
Apply the check-effects-interactions pattern.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#276) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#277)
Variable Spectra._BliquidityFee (#437) is too similar to Spectra._SliquidityFee (#440)
Variable Spectra._BpreviousLiquidityFee (#438) is too similar to Spectra._SpreviousLiquidityFee (#441)
Variable Spectra._transferBothExcluded(address,address,uint256).rTransferAmount (#822) is too similar to Spectra._getTValues(uint256).tTransferAmount (#846)
Variable Spectra.reflectionFromToken(uint256,bool).rTransferAmount (#596) is too similar to Spectra._getTValues(uint256).tTransferAmount (#846)
Variable Spectra._transferToExcluded(address,address,uint256).rTransferAmount (#802) is too similar to Spectra._getTValues(uint256).tTransferAmount (#846)
Variable Spectra._transferFromExcluded(address,address,uint256).rTransferAmount (#812) is too similar to Spectra._transferFromExcluded(address,address,uint256).tTransferAmount (#812)
Variable Spectra._transferFromExcluded(address,address,uint256).rTransferAmount (#812) is too similar to Spectra._transferBothExcluded(address,address,uint256).tTransferAmount (#822)
Variable Spectra._transferFromExcluded(address,address,uint256).rTransferAmount (#812) is too similar to Spectra._transferStandard(address,address,uint256).tTransferAmount (#793)
Variable Spectra._transferFromExcluded(address,address,uint256).rTransferAmount (#812) is too similar to Spectra._getValues(uint256).tTransferAmount (#838)
Variable Spectra._transferToExcluded(address,address,uint256).rTransferAmount (#802) is too similar to Spectra._transferToExcluded(address,address,uint256).tTransferAmount (#802)
Variable Spectra._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#854) is too similar to Spectra._transferStandard(address,address,uint256).tTransferAmount (#793)
Variable Spectra._getValues(uint256).rTransferAmount (#839) is too similar to Spectra._transferStandard(address,address,uint256).tTransferAmount (#793)
Variable Spectra._transferFromExcluded(address,address,uint256).rTransferAmount (#812) is too similar to Spectra._getTValues(uint256).tTransferAmount (#846)
Variable Spectra._transferBothExcluded(address,address,uint256).rTransferAmount (#822) is too similar to Spectra._transferBothExcluded(address,address,uint256).tTransferAmount (#822)
Variable Spectra._transferToExcluded(address,address,uint256).rTransferAmount (#802) is too similar to Spectra._transferBothExcluded(address,address,uint256).tTransferAmount (#822)
Variable Spectra._transferStandard(address,address,uint256).rTransferAmount (#793) is too similar to Spectra._transferStandard(address,address,uint256).tTransferAmount (#793)
Variable Spectra._transferBothExcluded(address,address,uint256).rTransferAmount (#822) is too similar to Spectra._getValues(uint256).tTransferAmount (#838)
Variable Spectra._transferBothExcluded(address,address,uint256).rTransferAmount (#822) is too similar to Spectra._transferStandard(address,address,uint256).tTransferAmount (#793)
Variable Spectra.reflectionFromToken(uint256,bool).rTransferAmount (#596) is too similar to Spectra._transferStandard(address,address,uint256).tTransferAmount (#793)
Variable Spectra.reflectionFromToken(uint256,bool).rTransferAmount (#596) is too similar to Spectra._getValues(uint256).tTransferAmount (#838)
Variable Spectra._transferFromExcluded(address,address,uint256).rTransferAmount (#812) is too similar to Spectra._transferToExcluded(address,address,uint256).tTransferAmount (#802)
Variable Spectra._transferToExcluded(address,address,uint256).rTransferAmount (#802) is too similar to Spectra._transferStandard(address,address,uint256).tTransferAmount (#793)
Variable Spectra._transferToExcluded(address,address,uint256).rTransferAmount (#802) is too similar to Spectra._getValues(uint256).tTransferAmount (#838)
Variable Spectra._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#854) is too similar to Spectra._getTValues(uint256).tTransferAmount (#846)
Variable Spectra._getValues(uint256).rTransferAmount (#839) is too similar to Spectra._getTValues(uint256).tTransferAmount (#846)
Variable Spectra._getValues(uint256).rTransferAmount (#839) is too similar to Spectra._getValues(uint256).tTransferAmount (#838)
Variable Spectra._getValues(uint256).rTransferAmount (#839) is too similar to Spectra._transferBothExcluded(address,address,uint256).tTransferAmount (#822)
Variable Spectra.reflectionFromToken(uint256,bool).rTransferAmount (#596) is too similar to Spectra._transferFromExcluded(address,address,uint256).tTransferAmount (#812)
Variable Spectra._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#854) is too similar to Spectra._transferToExcluded(address,address,uint256).tTransferAmount (#802)
Variable Spectra.reflectionFromToken(uint256,bool).rTransferAmount (#596) is too similar to Spectra._transferBothExcluded(address,address,uint256).tTransferAmount (#822)
Variable Spectra._transferBothExcluded(address,address,uint256).rTransferAmount (#822) is too similar to Spectra._transferFromExcluded(address,address,uint256).tTransferAmount (#812)
Variable Spectra._transferStandard(address,address,uint256).rTransferAmount (#793) is too similar to Spectra._transferFromExcluded(address,address,uint256).tTransferAmount (#812)
Variable Spectra._transferStandard(address,address,uint256).rTransferAmount (#793) is too similar to Spectra._getTValues(uint256).tTransferAmount (#846)
Variable Spectra._transferStandard(address,address,uint256).rTransferAmount (#793) is too similar to Spectra._getValues(uint256).tTransferAmount (#838)
Variable Spectra._transferStandard(address,address,uint256).rTransferAmount (#793) is too similar to Spectra._transferBothExcluded(address,address,uint256).tTransferAmount (#822)
Variable Spectra._getValues(uint256).rTransferAmount (#839) is too similar to Spectra._transferToExcluded(address,address,uint256).tTransferAmount (#802)
Variable Spectra._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#854) is too similar to Spectra._transferFromExcluded(address,address,uint256).tTransferAmount (#812)
Variable Spectra.reflectionFromToken(uint256,bool).rTransferAmount (#596) is too similar to Spectra._transferToExcluded(address,address,uint256).tTransferAmount (#802)
Variable Spectra._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#854) is too similar to Spectra._transferBothExcluded(address,address,uint256).tTransferAmount (#822)
Variable Spectra._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#854) is too similar to Spectra._getValues(uint256).tTransferAmount (#838)
Variable Spectra._transferToExcluded(address,address,uint256).rTransferAmount (#802) is too similar to Spectra._transferFromExcluded(address,address,uint256).tTransferAmount (#812)
Variable Spectra._transferBothExcluded(address,address,uint256).rTransferAmount (#822) is too similar to Spectra._transferToExcluded(address,address,uint256).tTransferAmount (#802)
Variable Spectra._getValues(uint256).rTransferAmount (#839) is too similar to Spectra._transferFromExcluded(address,address,uint256).tTransferAmount (#812)
Variable Spectra._transferStandard(address,address,uint256).rTransferAmount (#793) is too similar to Spectra._transferToExcluded(address,address,uint256).tTransferAmount (#802)
Prevent variables from having similar names.

Additional information: link

Spectra.prepareForPreSale() (#991-1000) uses literals with too many digits:
- _maxTxAmount = 1000000000 * 10 ** 9 (#998)
Spectra.prepareForPreSale() (#991-1000) uses literals with too many digits:
- _maxWalletAmount = 1000000000 * 10 ** 9 (#999)
Spectra.afterPreSale() (#1002-1011) uses literals with too many digits:
- _maxTxAmount = 20000000 * 10 ** 9 (#1009)
Spectra.afterPreSale() (#1002-1011) uses literals with too many digits:
- _maxWalletAmount = 20000000 * 10 ** 9 (#1010)
Spectra.slitherConstructorVariables() (#408-1020) uses literals with too many digits:
- deadAddress = 0x000000000000000000000000000000000000dEaD (#414)
Spectra.slitherConstructorVariables() (#408-1020) uses literals with too many digits:
- _tTotal = 1000000000 * 10 ** 9 (#425)
Spectra.slitherConstructorVariables() (#408-1020) uses literals with too many digits:
- _maxTxAmount = 20000000 * 10 ** 9 (#459)
Spectra.slitherConstructorVariables() (#408-1020) uses literals with too many digits:
- _maxWalletAmount = 20000000 * 10 ** 9 (#460)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Spectra._decimals (#431) should be constant
Spectra._name (#429) should be constant
Spectra._symbol (#430) should be constant
Spectra._tTotal (#425) should be constant
Spectra.buyBackEnabled (#469) should be constant
Spectra.buyBackUpperLimit (#462) should be constant
Spectra.charityAddress (#413) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#163-166)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#168-172)
getUnlockTime() should be declared external:
- Ownable.getUnlockTime() (#174-176)
getTime() should be declared external:
- Ownable.getTime() (#178-180)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#182-187)
unlock() should be declared external:
- Ownable.unlock() (#189-194)
name() should be declared external:
- Spectra.name() (#513-515)
symbol() should be declared external:
- Spectra.symbol() (#517-519)
decimals() should be declared external:
- Spectra.decimals() (#521-523)
totalSupply() should be declared external:
- Spectra.totalSupply() (#525-527)
transfer(address,uint256) should be declared external:
- Spectra.transfer(address,uint256) (#534-537)
allowance(address,address) should be declared external:
- Spectra.allowance(address,address) (#539-541)
approve(address,uint256) should be declared external:
- Spectra.approve(address,uint256) (#543-546)
transferFrom(address,address,uint256) should be declared external:
- Spectra.transferFrom(address,address,uint256) (#548-552)
increaseAllowance(address,uint256) should be declared external:
- Spectra.increaseAllowance(address,uint256) (#554-557)
decreaseAllowance(address,uint256) should be declared external:
- Spectra.decreaseAllowance(address,uint256) (#559-562)
isExcludedFromReward(address) should be declared external:
- Spectra.isExcludedFromReward(address) (#564-566)
totalFees() should be declared external:
- Spectra.totalFees() (#568-570)
minimumTokensBeforeSwapAmount() should be declared external:
- Spectra.minimumTokensBeforeSwapAmount() (#572-574)
buyBackUpperLimitAmount() should be declared external:
- Spectra.buyBackUpperLimitAmount() (#576-578)
deliver(uint256) should be declared external:
- Spectra.deliver(uint256) (#580-587)
reflectionFromToken(uint256,bool) should be declared external:
- Spectra.reflectionFromToken(uint256,bool) (#590-599)
excludeFromReward(address) should be declared external:
- Spectra.excludeFromReward(address) (#607-616)
isExcludedFromFee(address) should be declared external:
- Spectra.isExcludedFromFee(address) (#913-915)
excludeFromFee(address) should be declared external:
- Spectra.excludeFromFee(address) (#917-919)
includeInFee(address) should be declared external:
- Spectra.includeInFee(address) (#921-923)
Use the external attribute for functions never called from the contract.

Additional information: link

Contract has 7% buy tax and 15% sell tax.
Taxes are suspiciously high (over 10%) and contract ownership is not renounced. Token has a high risk of becoming a honeypot.

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

Token is deployed only at one blockchain

Token has only one trading pair

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

Additional information: link

Unable to find token on CoinHunt

Additional information: link

Unable to find code repository for the project

Token is not listed at Mobula.Finance

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

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